/* roulang page: index */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== NAVIGATION - 工具栏式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.06);
        }
        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.1);
            font-weight: 600;
        }
        .nav-links a .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-right: 6px;
            flex-shrink: 0;
            display: none;
        }
        .nav-links a.active .nav-dot {
            display: inline-block;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-success);
            box-shadow: 0 0 8px rgba(46, 204, 113, 0.5);
            animation: statusPulse 2s infinite;
        }
        @keyframes statusPulse {
            0%,
            100% {
                box-shadow: 0 0 8px rgba(46, 204, 113, 0.5);
            }
            50% {
                box-shadow: 0 0 18px rgba(46, 204, 113, 0.8);
            }
        }
        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 10px rgba(232, 69, 45, 0.3);
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.4);
            transform: translateY(-1px);
        }
        .mobile-menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            font-size: 1.2rem;
            color: var(--color-text);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-menu-toggle:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
        }
        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 2px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
                justify-content: flex-start;
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-actions .nav-status-dot {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .header-inner {
                padding: 0 12px;
                gap: 10px;
            }
            .logo-link {
                font-size: 1.1rem;
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .nav-actions {
                gap: 6px;
            }
        }

        /* ========== HERO - 斜切 + 产品舞台居中 ========== */
        .hero-section {
            position: relative;
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            overflow: hidden;
            padding: 60px 0 70px;
            clip-path: polygon(0 0, 100% 0, 100% 92%, 0% 100%);
        }
        @media (max-width: 768px) {
            .hero-section {
                clip-path: polygon(0 0, 100% 0, 100% 95%, 0% 100%);
                padding: 40px 0 50px;
            }
        }
        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.35) 0%, transparent 70%);
            top: -150px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 0;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1.4fr 1fr;
            gap: 32px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                text-align: center;
            }
        }
        @media (max-width: 768px) {
            .hero-inner {
                padding: 0 16px;
                gap: 20px;
            }
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .hero-value-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 12px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-fast);
        }
        .hero-value-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateX(4px);
        }
        .hero-value-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-sm);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 0.9rem;
            color: #fff;
        }
        .hero-value-text {
            font-size: 0.9rem;
            line-height: 1.4;
            color: rgba(255, 255, 255, 0.85);
        }
        .hero-value-text strong {
            display: block;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .hero-center {
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(240, 165, 0, 0.2);
            border: 1px solid rgba(240, 165, 0, 0.35);
            color: var(--color-accent);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            color: #fff;
            margin: 0;
        }
        .hero-title .highlight {
            color: var(--color-primary-light);
            position: relative;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
        }
        .hero-desc {
            font-size: 1.02rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 460px;
            line-height: 1.6;
        }
        .hero-stage {
            width: 100%;
            max-width: 440px;
            background: rgba(30, 30, 46, 0.7);
            border-radius: var(--radius-lg);
            padding: 20px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: var(--shadow-glow);
            backdrop-filter: blur(10px);
        }
        .hero-stage-numbers {
            display: flex;
            justify-content: space-around;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-stage-ball {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8452d, #c0392b);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 69, 45, 0.5);
            animation: ballBounce 2s ease-in-out infinite;
        }
        .hero-stage-ball:nth-child(odd) {
            animation-delay: 0.15s;
        }
        .hero-stage-ball:nth-child(3) {
            animation-delay: 0.3s;
        }
        @keyframes ballBounce {
            0%,
            100% {
                transform: translateY(0);
            }
            30% {
                transform: translateY(-8px);
            }
            50% {
                transform: translateY(0);
            }
        }
        .hero-stage-label {
            text-align: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.78rem;
            margin-top: 10px;
            letter-spacing: 0.04em;
        }
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: flex-end;
        }
        @media (max-width: 1024px) {
            .hero-right {
                align-items: center;
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }
            .hero-left {
                align-items: center;
                text-align: center;
            }
            .hero-value-item {
                text-align: left;
                width: 100%;
                max-width: 380px;
            }
        }
        .hero-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .hero-cta-primary {
            background: var(--color-accent);
            color: #1a1a2e;
            box-shadow: 0 4px 18px rgba(240, 165, 0, 0.4);
        }
        .hero-cta-primary:hover {
            background: #ffb830;
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.55);
            transform: translateY(-2px);
        }
        .hero-cta-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
        }
        .hero-cta-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.4);
        }
        .hero-data-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .hero-data-item {
            text-align: center;
            padding: 10px 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-data-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .hero-data-label {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: 64px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
        }
        .section-alt {
            background: var(--color-bg-section);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            background: rgba(232, 69, 45, 0.1);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: 0.04em;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.25;
            color: var(--color-text);
            margin: 0 0 10px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
        }

        /* ========== CARDS ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        @media (max-width: 520px) {
            .card-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }
        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            flex-shrink: 0;
        }
        .card-icon.red {
            background: rgba(232, 69, 45, 0.1);
            color: var(--color-primary);
        }
        .card-icon.gold {
            background: rgba(240, 165, 0, 0.12);
            color: var(--color-accent-dark);
        }
        .card-icon.blue {
            background: rgba(52, 152, 219, 0.1);
            color: #2980b9;
        }
        .card-icon.green {
            background: rgba(46, 204, 113, 0.1);
            color: #27ae60;
        }
        .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-text);
            line-height: 1.3;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.55;
        }
        .card-link {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
            margin-top: auto;
        }
        .card-link:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 1024px) {
            .entry-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .entry-matrix {
                grid-template-columns: 1fr;
            }
        }
        .entry-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4/3;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: flex-end;
            min-height: 200px;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .entry-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .entry-card:hover img {
            transform: scale(1.06);
        }
        .entry-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.8) 0%, rgba(0, 0, 0, 0.15) 55%, rgba(0, 0, 0, 0) 100%);
            z-index: 1;
        }
        .entry-card-content {
            position: relative;
            z-index: 2;
            padding: 20px;
            color: #fff;
            width: 100%;
        }
        .entry-card-title {
            font-weight: 700;
            font-size: 1.15rem;
            margin-bottom: 4px;
        }
        .entry-card-sub {
            font-size: 0.8rem;
            opacity: 0.8;
        }

        /* ========== METRICS ========== */
        .metrics-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .metrics-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 420px) {
            .metrics-row {
                grid-template-columns: 1fr;
            }
        }
        .metric-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }
        .metric-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            letter-spacing: -0.03em;
        }
        .metric-label {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }
        .metric-trend {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--color-success);
            margin-top: 4px;
        }

        /* ========== PROGRESS / 任务进度 ========== */
        .progress-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 700px;
            margin: 0 auto;
        }
        .progress-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .progress-item:hover {
            box-shadow: var(--shadow-md);
        }
        .progress-step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .progress-step-num.done {
            background: var(--color-success);
        }
        .progress-info {
            flex: 1;
            min-width: 0;
        }
        .progress-info h4 {
            font-weight: 600;
            font-size: 0.95rem;
            margin: 0 0 2px;
        }
        .progress-info p {
            font-size: 0.8rem;
            color: var(--color-text-soft);
            margin: 0;
        }
        .progress-bar-wrap {
            flex: 1;
            max-width: 200px;
            height: 8px;
            background: #e8e8e8;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 10px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transition: width var(--transition-slow);
        }
        .progress-reward {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent-dark);
            flex-shrink: 0;
            white-space: nowrap;
        }

        /* ========== TIMELINE / 里程碑 ========== */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
            padding-left: 30px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--color-primary), var(--color-accent));
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 28px;
            padding-left: 20px;
        }
        .timeline-dot {
            position: absolute;
            left: -26px;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--color-primary);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-primary);
            z-index: 1;
        }
        .timeline-year {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .timeline-content {
            background: var(--color-bg-card);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }
        .timeline-content h4 {
            font-weight: 600;
            margin: 0 0 4px;
            font-size: 0.95rem;
        }
        .timeline-content p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin: 0;
        }

        /* ========== TRACK / 片库轨道 ========== */
        .track-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            padding-bottom: 16px;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .track-scroll::-webkit-scrollbar {
            height: 6px;
        }
        .track-scroll::-webkit-scrollbar-track {
            background: transparent;
        }
        .track-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 6px;
        }
        .track-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            aspect-ratio: 3/4;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            flex-shrink: 0;
        }
        .track-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-5px);
        }
        .track-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .track-card:hover img {
            transform: scale(1.08);
        }
        .track-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
            z-index: 1;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
            opacity: 0;
            transition: opacity var(--transition-base);
        }
        .track-card:hover .track-card-overlay {
            opacity: 1;
        }
        .track-card-overlay h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin: 0 0 4px;
            z-index: 2;
        }
        .track-card-overlay .track-cta {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--color-accent);
            font-weight: 600;
            font-size: 0.85rem;
            z-index: 2;
            margin-top: 6px;
        }

        /* ========== NEWS ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateX(3px);
        }
        .news-date {
            flex-shrink: 0;
            font-size: 0.78rem;
            color: var(--color-text-light);
            font-weight: 500;
            min-width: 80px;
            text-align: center;
            padding: 6px 10px;
            background: var(--color-bg-section);
            border-radius: var(--radius-sm);
        }
        .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-info h4 {
            font-weight: 600;
            font-size: 0.95rem;
            margin: 0 0 4px;
            line-height: 1.35;
        }
        .news-info p {
            font-size: 0.83rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }
        .news-readmore {
            flex-shrink: 0;
            font-weight: 600;
            font-size: 0.82rem;
            color: var(--color-primary);
            white-space: nowrap;
            align-self: center;
            transition: color var(--transition-fast);
        }
        .news-item:hover .news-readmore {
            color: var(--color-primary-dark);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-q {
            padding: 18px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 10px;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-q:hover {
            background: rgba(0, 0, 0, 0.02);
        }
        .faq-q i {
            transition: transform var(--transition-fast);
            color: var(--color-text-light);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-a {
            padding: 0 20px 18px;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ========== CTA / FORM ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            color: #fff;
            text-align: center;
            padding: 60px 0;
            border-radius: 0;
        }
        .cta-form-wrap {
            max-width: 500px;
            margin: 24px auto 0;
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.15);
            background: rgba(255, 255, 255, 0.14);
        }
        .cta-submit {
            padding: 14px 28px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
            color: #1a1a2e;
            font-weight: 700;
            font-size: 0.95rem;
            white-space: nowrap;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.4);
        }
        .cta-submit:hover {
            background: #ffb830;
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.55);
            transform: translateY(-2px);
        }

        /* ========== APP DOWNLOAD ========== */
        .app-download-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            max-width: 900px;
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .app-download-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                text-align: center;
            }
        }
        .app-mockup {
            background: var(--color-bg-dark);
            border-radius: var(--radius-xl);
            padding: 20px;
            box-shadow: var(--shadow-xl);
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 300px;
        }
        .app-mockup-inner {
            text-align: center;
            color: #fff;
        }
        .app-mockup-inner .app-icon {
            font-size: 3rem;
            margin-bottom: 10px;
        }
        .app-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .app-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }
        .app-btn:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-glow);
        }
        .app-btn.dark {
            background: var(--color-secondary);
            color: #fff;
            border-color: var(--color-secondary);
        }
        .app-btn.dark:hover {
            background: #000;
            border-color: #000;
        }

        /* ========== COMPARISON ========== */
        .compare-table-wrap {
            overflow-x: auto;
            max-width: 800px;
            margin: 0 auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-width: 600px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }
        .compare-table th {
            background: var(--color-bg-dark);
            color: #fff;
            font-weight: 700;
            font-size: 0.92rem;
        }
        .compare-table .highlight-col {
            background: rgba(232, 69, 45, 0.04);
            font-weight: 600;
        }
        .compare-check {
            color: var(--color-success);
            font-weight: 700;
        }
        .compare-x {
            color: var(--color-text-light);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 28px;
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }
        .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-brand-desc {
            font-size: 0.82rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-col h4 {
            font-weight: 600;
            color: #fff;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .footer-col a {
            display: block;
            padding: 3px 0;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-primary-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== UTILS ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }
        @media (max-width: 768px) {
            .hide-mobile {
                display: none;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== NAVIGATION - 工具栏式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.05);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.08);
            font-weight: 600;
        }

        .nav-links a .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .nav-links a.active .nav-dot {
            opacity: 1;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 9px 18px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(232, 69, 45, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .header-inner {
                padding: 0 16px;
                gap: 12px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 8px 16px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                gap: 2px;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .btn-nav-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
        }

        /* ========== HERO - 影视海报沉浸暗底 ========== */
        .hero-cinema {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }

        .hero-cinema::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.92) 0%, rgba(15, 15, 26, 0.7) 40%, rgba(232, 69, 45, 0.15) 70%, rgba(15, 15, 26, 0.88) 100%);
            z-index: 1;
        }

        .hero-cinema::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(15, 15, 26, 0.95), transparent);
            z-index: 2;
        }

        .hero-cinema .hero-content {
            position: relative;
            z-index: 3;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 24px;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .hero-cinema .hero-text {
            flex: 1;
            min-width: 300px;
        }

        .hero-cinema .hero-badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-cinema .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 500;
            backdrop-filter: blur(8px);
        }

        .hero-cinema .hero-badge.hot {
            background: rgba(232, 69, 45, 0.3);
            border-color: rgba(232, 69, 45, 0.5);
            color: #ff8a75;
        }

        .hero-cinema .hero-badge i {
            font-size: 0.7rem;
        }

        .hero-cinema h1 {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 18px;
            letter-spacing: -0.03em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .hero-cinema h1 span {
            color: var(--color-primary-light);
            position: relative;
        }

        .hero-cinema .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cinema .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-cinema .btn-hero-primary {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-cinema .btn-hero-primary:hover {
            background: var(--color-primary-light);
            box-shadow: 0 0 50px rgba(232, 69, 45, 0.4), 0 10px 28px rgba(232, 69, 45, 0.2);
            transform: translateY(-2px);
        }

        .hero-cinema .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .hero-cinema .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-cinema .hero-visual {
            flex: 0 0 380px;
            position: relative;
        }

        .hero-cinema .hero-visual-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(12px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
        }

        .hero-cinema .hero-visual-card .stat-row {
            display: flex;
            gap: 20px;
            margin-bottom: 16px;
        }

        .hero-cinema .hero-visual-card .stat-item {
            flex: 1;
            text-align: center;
            padding: 16px 10px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .hero-cinema .hero-visual-card .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }

        .hero-cinema .hero-visual-card .stat-number.accent {
            color: var(--color-accent);
        }

        .hero-cinema .hero-visual-card .stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }

        @media (max-width: 900px) {
            .hero-cinema {
                min-height: auto;
            }
            .hero-cinema .hero-content {
                flex-direction: column;
                padding: 40px 16px;
                gap: 30px;
            }
            .hero-cinema h1 {
                font-size: 2.2rem;
            }
            .hero-cinema .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }
            .hero-cinema .hero-subtitle {
                font-size: 1rem;
            }
            .hero-cinema .hero-visual-card .stat-number {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-cinema h1 {
                font-size: 1.7rem;
            }
            .hero-cinema .hero-badge {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .hero-cinema .btn-hero-primary,
            .hero-cinema .btn-hero-outline {
                padding: 12px 20px;
                font-size: 0.9rem;
            }
            .hero-cinema .hero-visual-card {
                padding: 18px;
            }
            .hero-cinema .hero-visual-card .stat-row {
                gap: 10px;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 64px 0;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }

        .section-gray {
            background: var(--color-bg-section);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
            text-align: center;
        }

        .section-dark .section-title {
            color: #fff;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            text-align: center;
            max-width: 640px;
            margin: 0 auto 40px;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .metric-card .metric-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: #fff;
        }

        .metric-card .metric-icon.red {
            background: var(--color-primary);
        }
        .metric-card .metric-icon.blue {
            background: #3b82f6;
        }
        .metric-card .metric-icon.green {
            background: var(--color-success);
        }
        .metric-card .metric-icon.amber {
            background: var(--color-accent);
        }

        .metric-card .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        .metric-card .metric-trend {
            font-size: 0.78rem;
            margin-top: 8px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .metric-card .metric-trend.up {
            color: var(--color-success);
        }
        .metric-card .metric-trend.down {
            color: var(--color-danger);
        }

        @media (max-width: 900px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-value {
                font-size: 1.6rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card .metric-value {
                font-size: 1.3rem;
            }
            .metric-card .metric-icon {
                width: 40px;
                height: 40px;
                font-size: 1.1rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .matrix-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .matrix-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-primary-light);
        }

        .matrix-card .matrix-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .matrix-card .matrix-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .matrix-card:hover .matrix-img img {
            transform: scale(1.06);
        }

        .matrix-card .matrix-img .matrix-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-primary);
            color: #fff;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }

        .matrix-card .matrix-body {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .matrix-card .matrix-body h3 {
            font-size: 1.12rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .matrix-card .matrix-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }

        .matrix-card .matrix-body .btn-matrix {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }

        .matrix-card .matrix-body .btn-matrix:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }

        @media (max-width: 900px) {
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 600px) {
            .matrix-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .matrix-card .matrix-img {
                height: 170px;
            }
        }

        /* ========== COMPARISON ========== */
        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            align-items: stretch;
        }

        .comparison-panel {
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            border: 2px solid var(--color-border);
            transition: all var(--transition-base);
        }

        .comparison-panel.before {
            background: #fef5f4;
            border-color: #f5c6c2;
        }

        .comparison-panel.after {
            background: #f3faf7;
            border-color: #b7e4cf;
        }

        .comparison-panel .comp-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .comparison-panel .comp-header .comp-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
        }

        .comparison-panel.before .comp-icon {
            background: #fde8e6;
            color: #c0392b;
        }

        .comparison-panel.after .comp-icon {
            background: #d4f5e4;
            color: #27ae60;
        }

        .comparison-panel .comp-header h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text);
        }

        .comparison-panel ul {
            list-style: none;
            padding: 0;
        }

        .comparison-panel ul li {
            padding: 10px 0;
            border-bottom: 1px solid rgba(0, 0, 0, 0.06);
            font-size: 0.95rem;
            color: var(--color-text-soft);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }

        .comparison-panel ul li:last-child {
            border-bottom: none;
        }

        .comparison-panel ul li i {
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-panel.before ul li i {
            color: #c0392b;
        }

        .comparison-panel.after ul li i {
            color: #27ae60;
        }

        @media (max-width: 768px) {
            .comparison-wrapper {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .comparison-panel {
                padding: 22px 18px;
            }
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content-block .deep-text h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 16px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .deep-content-block .deep-text p {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .deep-content-block .deep-text .highlight-box {
            background: #fff;
            border-left: 4px solid var(--color-primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 18px 0;
            box-shadow: var(--shadow-sm);
        }

        .deep-content-block .deep-text .highlight-box p {
            margin: 0;
            font-weight: 500;
            color: var(--color-text);
            font-size: 0.95rem;
        }

        .deep-content-block .deep-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .deep-content-block .deep-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        @media (max-width: 768px) {
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content-block .deep-text h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== TIPS CARDS ========== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tip-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }

        .tip-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .tip-card .tip-number {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(232, 69, 45, 0.08);
            line-height: 1;
            pointer-events: none;
        }

        .tip-card .tip-icon-circle {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 14px;
            background: rgba(232, 69, 45, 0.08);
            color: var(--color-primary);
        }

        .tip-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }

        .tip-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        @media (max-width: 900px) {
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }

        .brand-intro-card .brand-intro-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 18px;
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.3);
        }

        .brand-intro-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 14px;
        }

        .brand-intro-card p {
            font-size: 0.98rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            max-width: 600px;
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .brand-intro-card {
                padding: 28px 20px;
            }
            .brand-intro-card h3 {
                font-size: 1.2rem;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-item .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .faq-item .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-item .faq-question i {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition-fast);
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        .faq-item .faq-answer p {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-secondary) 0%, #1a1a35 50%, #1f1f3a 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(232, 69, 45, 0.15);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(240, 165, 0, 0.1);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-section .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-section .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
        }

        .cta-section .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-section .cta-form input:focus {
            border-color: var(--color-primary-light);
            box-shadow: 0 0 0 4px rgba(232, 69, 45, 0.15);
            background: rgba(255, 255, 255, 0.12);
        }

        .cta-section .btn-cta-submit {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }

        .cta-section .btn-cta-submit:hover {
            background: var(--color-primary-light);
            box-shadow: 0 0 44px rgba(232, 69, 45, 0.45);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-section .cta-form {
                flex-direction: column;
            }
            .cta-section .cta-form input {
                width: 100%;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-secondary);
            color: var(--color-text-on-dark);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-primary-light);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.05);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.08);
            font-weight: 600;
        }

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0;
            transform: scale(0);
            transition: all var(--transition-fast);
        }

        .nav-links a.active .nav-dot {
            opacity: 1;
            transform: scale(1);
        }

        .nav-cta-btn {
            background: var(--color-primary);
            color: #fff !important;
            padding: 9px 18px !important;
            border-radius: var(--radius-full) !important;
            font-weight: 600 !important;
            font-size: 0.88rem !important;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.25);
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.35) !important;
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-text);
            background: var(--color-bg-section);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                gap: 2px;
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
            }

            .nav-cta-btn {
                width: 100%;
                text-align: center;
                justify-content: center;
                margin-top: 4px;
            }

            .mobile-menu-toggle {
                display: flex;
            }

            .header-inner {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .logo-link {
                font-size: 1.1rem;
                gap: 6px;
            }

            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        .section-padding {
            padding: 60px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 40px 0;
            }
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(232, 69, 45, 0.25);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 22px rgba(232, 69, 45, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            padding: 11px 22px;
            border-radius: var(--radius-full);
            border: 2px solid var(--color-primary);
            transition: all var(--transition-base);
            font-size: 0.95rem;
            white-space: nowrap;
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232, 69, 45, 0.25);
            transform: translateY(-2px);
        }

        .card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-2px);
        }

        .section-tag {
            display: inline-block;
            background: rgba(232, 69, 45, 0.08);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.82rem;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-secondary);
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            max-width: 640px;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }

            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        .lottery-ball {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8452d, #d63031);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 3px 10px rgba(232, 69, 45, 0.3);
            flex-shrink: 0;
        }

        .lottery-ball.blue {
            background: linear-gradient(135deg, #2980b9, #1a5276);
            box-shadow: 0 3px 10px rgba(41, 128, 185, 0.3);
        }

        .lottery-ball.gold {
            background: linear-gradient(135deg, #f0a500, #d48900);
            box-shadow: 0 3px 10px rgba(240, 165, 0, 0.3);
        }

        .stat-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-base);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.03em;
            line-height: 1;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        .highlight-box {
            background: linear-gradient(135deg, #fff8f0, #fff5f0);
            border-left: 4px solid var(--color-accent);
            padding: 18px 22px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            font-weight: 500;
            color: var(--color-text);
            line-height: 1.6;
        }

        .divider-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0.5;
            flex-shrink: 0;
        }

        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 48px 0 28px;
            margin-top: auto;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }

        .site-footer .footer-brand {
            font-weight: 700;
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 10px;
        }

        .site-footer .footer-brand-desc {
            font-size: 0.88rem;
            color: #a0a0aa;
            line-height: 1.6;
        }

        .site-footer .footer-col h4 {
            font-weight: 600;
            font-size: 0.9rem;
            color: #ccc;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }

        .site-footer .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #8e8e93;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-col a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.8rem;
            color: #6e6e78;
            align-items: center;
            justify-content: space-between;
        }

        .site-footer .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .site-footer .footer-bottom-links a {
            color: #6e6e78;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-bottom-links a:hover {
            color: #ccc;
        }

        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 640px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }

            .site-footer .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        .hero-banner {
            background: linear-gradient(180deg, #fefefe 0%, #faf7f4 40%, #f5f2ef 100%);
            border-bottom: 1px solid var(--color-border-light);
            padding: 40px 0 48px;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 240px;
            height: 240px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 28px 0 36px;
            }
        }

        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .faq-item:last-child {
            border-bottom: none;
        }

        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }

        .faq-item:hover .faq-question {
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 12px;
        }

        .faq-icon {
            transition: transform var(--transition-base);
            color: var(--color-text-light);
            flex-shrink: 0;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .result-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            padding: 14px 18px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

        .result-row:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .result-row .balls-group {
            display: flex;
            gap: 7px;
            flex-wrap: wrap;
            align-items: center;
        }

/* roulang page: category1 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== NAVIGATION - 工具栏式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 7px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.05);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.1);
            font-weight: 600;
        }

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0;
            transform: scale(0);
            transition: all var(--transition-fast);
        }

        .nav-links a.active .nav-dot {
            opacity: 1;
            transform: scale(1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            padding: 9px 20px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 14px rgba(232, 69, 45, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            background: var(--color-bg-section);
            font-size: 1.3rem;
            color: var(--color-text);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 999;
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
                border-bottom: 1px solid var(--color-border-light);
            }
            .nav-links a:last-child {
                border-bottom: none;
            }
            .nav-actions .btn-nav-cta {
                display: none;
            }
            .nav-actions .btn-nav-cta-mobile {
                display: inline-flex;
            }
        }

        @media (min-width: 769px) {
            .btn-nav-cta-mobile {
                display: none;
            }
        }

        /* ========== HERO - 全宽浅色顶栏 + 矮横幅 ========== */
        .hero-banner {
            background: linear-gradient(135deg, #fef9f7 0%, #fdf5f2 30%, #fefcfb 60%, #f9f6f2 100%);
            border-bottom: 1px solid var(--color-border-light);
            padding: 32px 0 36px;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-banner-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232, 69, 45, 0.1);
            color: var(--color-primary);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .hero-banner-tag .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-success);
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(46, 204, 113, 0);
            }
        }

        .hero-banner-content {
            flex: 1;
            min-width: 260px;
        }

        .hero-banner-content h1 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin: 0 0 6px;
        }

        .hero-banner-content p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.55;
            max-width: 600px;
        }

        .hero-banner-visual {
            flex-shrink: 0;
            width: 180px;
            height: 100px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            box-shadow: var(--shadow-md);
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .hero-banner-visual .ball-mini {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            box-shadow: 0 2px 6px rgba(232, 69, 45, 0.3);
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 22px 0 26px;
            }
            .hero-banner-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }
            .hero-banner-content h1 {
                font-size: 1.4rem;
            }
            .hero-banner-visual {
                width: 100%;
                height: 80px;
                justify-content: center;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 52px 0;
        }

        .section-sm {
            padding: 36px 0;
        }

        .section-lg {
            padding: 68px 0;
        }

        .section-header {
            margin-bottom: 32px;
        }

        .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-secondary);
            letter-spacing: -0.02em;
            margin-bottom: 6px;
        }

        .section-header p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            max-width: 640px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 8px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 36px 0;
            }
            .section-lg {
                padding: 44px 0;
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== DATA DASHBOARD - 指标看板 ========== */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .dashboard-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 8px;
            position: relative;
            overflow: hidden;
        }

        .dashboard-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }

        .dashboard-card .card-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .dashboard-card .card-icon.red {
            background: rgba(232, 69, 45, 0.1);
            color: var(--color-primary);
        }

        .dashboard-card .card-icon.green {
            background: rgba(46, 204, 113, 0.1);
            color: var(--color-success);
        }

        .dashboard-card .card-icon.amber {
            background: rgba(240, 165, 0, 0.1);
            color: var(--color-accent);
        }

        .dashboard-card .card-icon.blue {
            background: rgba(52, 152, 219, 0.1);
            color: #3498db;
        }

        .dashboard-card .card-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-secondary);
            line-height: 1;
            letter-spacing: -0.03em;
        }

        .dashboard-card .card-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        .dashboard-card .card-trend {
            font-size: 0.78rem;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .dashboard-card .card-trend.up {
            color: var(--color-success);
        }

        .dashboard-card .card-trend.down {
            color: var(--color-danger);
        }

        @media (max-width: 1024px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .dashboard-grid {
                grid-template-columns: 1fr;
            }
            .dashboard-card {
                padding: 16px 14px;
            }
            .dashboard-card .card-value {
                font-size: 1.6rem;
            }
        }

        /* ========== RESULT CARDS ========== */
        .result-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .result-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .result-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-primary-light);
        }

        .result-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .result-card-title {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-secondary);
        }

        .result-card-badge {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            background: rgba(46, 204, 113, 0.1);
            color: var(--color-success);
            white-space: nowrap;
        }

        .result-card-badge.hot {
            background: rgba(232, 69, 45, 0.1);
            color: var(--color-primary);
        }

        .result-numbers {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            justify-content: center;
        }

        .result-number-ball {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e8452d, #d63826);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            box-shadow: 0 3px 10px rgba(232, 69, 45, 0.3);
            transition: transform var(--transition-fast);
        }

        .result-number-ball.blue {
            background: linear-gradient(135deg, #2980b9, #2471a3);
            box-shadow: 0 3px 10px rgba(41, 128, 185, 0.3);
        }

        .result-number-ball:hover {
            transform: scale(1.1);
        }

        .result-card-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--color-text-light);
            gap: 8px;
            flex-wrap: wrap;
        }

        .result-card-info span {
            white-space: nowrap;
        }

        @media (max-width: 1024px) {
            .result-cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .result-cards-grid {
                grid-template-columns: 1fr;
            }
            .result-number-ball {
                width: 34px;
                height: 34px;
                font-size: 0.85rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }

        .service-matrix-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 10px;
            text-align: center;
        }

        .service-matrix-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-primary-light);
            transform: translateY(-2px);
        }

        .service-matrix-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            background: rgba(232, 69, 45, 0.08);
            color: var(--color-primary);
        }

        .service-matrix-card h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-secondary);
        }

        .service-matrix-card p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .service-matrix {
                grid-template-columns: 1fr;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }

        .comparison-table thead th {
            background: var(--color-bg-section);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
            border-bottom: 2px solid var(--color-border);
            white-space: nowrap;
            font-size: 0.85rem;
        }

        .comparison-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-soft);
            white-space: nowrap;
        }

        .comparison-table tbody tr:hover {
            background: rgba(232, 69, 45, 0.02);
        }

        .comparison-table .highlight-row {
            background: rgba(232, 69, 45, 0.04);
            font-weight: 600;
        }

        .comparison-table .highlight-row td {
            color: var(--color-primary);
        }

        .table-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
        }

        .table-badge.win {
            background: rgba(46, 204, 113, 0.12);
            color: var(--color-success);
        }

        .table-badge.near {
            background: rgba(240, 165, 0, 0.12);
            color: var(--color-accent);
        }

        /* ========== TIMELINE / SCHEDULE ========== */
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .schedule-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            flex-wrap: wrap;
        }

        .schedule-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }

        .schedule-time {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-secondary);
            min-width: 70px;
            text-align: center;
            flex-shrink: 0;
        }

        .schedule-name {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            flex: 1;
            min-width: 120px;
        }

        .schedule-status {
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .schedule-status.open {
            background: rgba(46, 204, 113, 0.1);
            color: var(--color-success);
        }

        .schedule-status.closed {
            background: rgba(142, 142, 147, 0.1);
            color: var(--color-text-light);
        }

        .schedule-status.upcoming {
            background: rgba(240, 165, 0, 0.1);
            color: var(--color-accent);
        }

        @media (max-width: 520px) {
            .schedule-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .schedule-time {
                text-align: left;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            text-align: left;
            transition: color var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
            font-family: inherit;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-section);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            transition: all var(--transition-fast);
            color: var(--color-text-soft);
        }

        .faq-item.open .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 52px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-text h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .cta-text p {
            font-size: 0.95rem;
            color: var(--color-text-on-dark);
            opacity: 0.8;
            max-width: 500px;
        }

        .cta-form-wrap {
            flex-shrink: 0;
            width: 360px;
            max-width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-form-wrap input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
        }

        .cta-form-wrap input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form-wrap input:focus {
            border-color: var(--color-primary-light);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.2);
        }

        .btn-cta-submit {
            padding: 12px 24px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-glow);
            cursor: pointer;
            border: none;
            font-family: inherit;
            width: 100%;
        }

        .btn-cta-submit:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 0 50px rgba(232, 69, 45, 0.4), 0 8px 24px rgba(232, 69, 45, 0.2);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-inner {
                flex-direction: column;
                align-items: stretch;
            }
            .cta-form-wrap {
                width: 100%;
            }
            .cta-text h2 {
                font-size: 1.35rem;
            }
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            font-family: inherit;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(232, 69, 45, 0.25);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.35);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }

        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-sm {
            padding: 7px 16px;
            font-size: 0.82rem;
        }

        .btn-lg {
            padding: 14px 28px;
            font-size: 1rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 44px 0 28px;
            margin-top: auto;
            font-size: 0.88rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .footer-brand-desc {
            font-size: 0.82rem;
            opacity: 0.7;
            line-height: 1.55;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: #fff;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.82rem;
            opacity: 0.7;
            padding: 4px 0;
            transition: all var(--transition-fast);
            color: var(--color-text-on-dark);
        }

        .footer-col a:hover {
            opacity: 1;
            color: var(--color-primary-light);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
            font-size: 0.78rem;
            opacity: 0.6;
            align-items: center;
        }

        .footer-bottom-links {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: var(--color-text-on-dark);
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            opacity: 1;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
        }

        /* ========== NOTIFICATION BAR ========== */
        .notification-bar {
            background: #fffef9;
            border-bottom: 1px solid #f0e8d0;
            padding: 10px 0;
            font-size: 0.84rem;
            color: var(--color-text-soft);
            text-align: center;
            overflow: hidden;
            position: relative;
        }

        .notification-bar .marquee {
            display: inline-block;
            white-space: nowrap;
            animation: marquee-scroll 22s linear infinite;
        }

        @keyframes marquee-scroll {
            0% {
                transform: translateX(60%);
            }
            100% {
                transform: translateX(-100%);
            }
        }

        .notification-bar .marquee span {
            margin: 0 28px;
            font-weight: 500;
        }

        .notification-bar .marquee .highlight {
            color: var(--color-primary);
            font-weight: 700;
        }

        /* ========== MISC ========== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .justify-center {
            justify-content: center;
        }
        .items-center {
            align-items: center;
        }

/* roulang page: category4 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== NAVIGATION - 工具栏式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-primary);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex-shrink: 1;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.05);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.08);
            font-weight: 600;
        }

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-links a.active .nav-dot {
            opacity: 1;
        }

        .nav-cta-btn {
            background: var(--color-primary);
            color: #fff !important;
            padding: 9px 18px !important;
            border-radius: var(--radius-full) !important;
            font-weight: 600 !important;
            font-size: 0.88rem !important;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.25);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 14px rgba(232, 69, 45, 0.35) !important;
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            flex-shrink: 0;
        }

        .mobile-menu-toggle span {
            width: 24px;
            height: 2.5px;
            background: var(--color-secondary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 7px 14px !important;
                font-size: 0.8rem !important;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                max-height: 70vh;
                overflow-y: auto;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
            }
            .nav-cta-btn {
                text-align: center;
                justify-content: center;
                margin-top: 8px;
            }
            .header-inner {
                padding: 0 12px;
                gap: 12px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
        }

        /* ========== HERO - 知识付费风格 ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 30%, #1a1a2e 60%, #0f0f1a 100%);
            color: var(--color-text-on-dark);
            padding: 70px 0 80px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 69, 45, 0.2);
            border: 1px solid rgba(232, 69, 45, 0.35);
            color: #ff8a75;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
        }

        .hero-badge i {
            font-size: 0.75rem;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0 0 16px;
            color: #ffffff;
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #e8452d, #f0a500);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #b0b0ba;
            line-height: 1.7;
            margin: 0 0 28px;
            max-width: 480px;
        }

        .hero-features-list {
            list-style: none;
            padding: 0;
            margin: 0 0 28px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .hero-features-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: #d0d0d8;
        }

        .hero-features-list li i {
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }

        .btn-primary-hero:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 0 50px rgba(232, 69, 45, 0.35), 0 10px 28px rgba(232, 69, 45, 0.18);
        }

        .btn-outline-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .btn-outline-hero:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }

        .hero-card-preview {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            position: relative;
        }

        .hero-card-preview .preview-label {
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #ff8a75;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .hero-card-preview .preview-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .preview-stat-item {
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-sm);
            padding: 16px;
            text-align: center;
        }

        .preview-stat-value {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .preview-stat-label {
            font-size: 0.8rem;
            color: #9999a5;
            margin-top: 4px;
        }

        .preview-glow-dot {
            position: absolute;
            top: 18px;
            right: 22px;
            width: 12px;
            height: 12px;
            background: var(--color-success);
            border-radius: 50%;
            box-shadow: 0 0 16px rgba(46, 204, 113, 0.6);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @media (max-width: 900px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-title {
                font-size: 2.1rem;
            }
            .hero-subtitle {
                font-size: 1rem;
                max-width: 100%;
            }
            .hero-section {
                padding: 50px 0 60px;
                min-height: auto;
            }
            .hero-card-preview {
                padding: 20px;
            }
            .preview-stat-value {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
            }
            .btn-primary-hero,
            .btn-outline-hero {
                justify-content: center;
                text-align: center;
            }
            .hero-section {
                padding: 36px 0 44px;
            }
        }

        /* ========== 板块通用 ========== */
        .section-padding {
            padding: 70px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 12px;
        }

        .section-label::before {
            content: '';
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 1px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin: 0 0 14px;
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 32px;
            max-width: 640px;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 44px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ========== 指标看板 ========== */
        .metrics-dashboard {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 32px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            border: 1px solid var(--color-border-light);
        }

        .metric-card {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-md);
            background: var(--color-bg-section);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }

        .metric-card .metric-icon {
            font-size: 1.8rem;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .metric-card .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-secondary);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .metric-card .metric-value .unit {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
        }

        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            font-weight: 500;
        }

        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            font-weight: 600;
            margin-top: 6px;
            padding: 3px 10px;
            border-radius: var(--radius-full);
        }

        .metric-trend.up {
            color: #16a34a;
            background: rgba(46, 204, 113, 0.1);
        }

        .metric-trend.down {
            color: #dc2626;
            background: rgba(231, 76, 60, 0.1);
        }

        .metric-trend.stable {
            color: #6b7280;
            background: rgba(107, 114, 128, 0.1);
        }

        @media (max-width: 900px) {
            .metrics-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
                padding: 20px;
            }
            .metric-card .metric-value {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-dashboard {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                padding: 14px;
            }
            .metric-card {
                padding: 14px 10px;
            }
            .metric-card .metric-value {
                font-size: 1.4rem;
            }
            .metric-card .metric-label {
                font-size: 0.75rem;
            }
        }

        /* ========== 服务矩阵 ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .service-card .service-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .service-icon-wrap.red {
            background: rgba(232, 69, 45, 0.1);
            color: var(--color-primary);
        }
        .service-icon-wrap.amber {
            background: rgba(240, 165, 0, 0.1);
            color: var(--color-accent-dark);
        }
        .service-icon-wrap.blue {
            background: rgba(59, 130, 246, 0.1);
            color: #3b82f6;
        }
        .service-icon-wrap.green {
            background: rgba(46, 204, 113, 0.1);
            color: #16a34a;
        }
        .service-icon-wrap.purple {
            background: rgba(139, 92, 246, 0.1);
            color: #7c3aed;
        }
        .service-icon-wrap.teal {
            background: rgba(20, 184, 166, 0.1);
            color: #0d9488;
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }

        .service-card .service-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            margin-top: 12px;
            background: rgba(232, 69, 45, 0.08);
            color: var(--color-primary);
        }

        @media (max-width: 900px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card {
                padding: 20px;
            }
        }

        /* ========== 结果对比表 ========== */
        .comparison-table-wrap {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }

        .comparison-table thead {
            background: var(--color-secondary);
            color: #fff;
        }

        .comparison-table thead th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .comparison-table tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--color-border-light);
            vertical-align: middle;
        }

        .comparison-table tbody tr {
            transition: background var(--transition-fast);
        }

        .comparison-table tbody tr:hover {
            background: rgba(232, 69, 45, 0.03);
        }

        .comparison-table .highlight-cell {
            font-weight: 700;
            color: var(--color-primary);
        }

        .comparison-table .badge-rec {
            display: inline-block;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-size: 0.72rem;
            font-weight: 600;
            background: rgba(46, 204, 113, 0.12);
            color: #16a34a;
        }

        .table-responsive {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        @media (max-width: 768px) {
            .comparison-table {
                font-size: 0.78rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 10px;
            }
        }

        /* ========== 深度分析区 ========== */
        .deep-analysis-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-bg-section);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--color-border-light);
        }

        .deep-analysis-block .analysis-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .deep-analysis-block .analysis-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .deep-analysis-content h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-secondary);
            margin: 0 0 14px;
            letter-spacing: -0.02em;
        }

        .deep-analysis-content p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin: 0 0 16px;
        }

        .deep-analysis-content .analysis-points {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .deep-analysis-content .analysis-points li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .deep-analysis-content .analysis-points li i {
            color: var(--color-primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .btn-text-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .btn-text-link:hover {
            color: var(--color-primary-dark);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .deep-analysis-block {
                grid-template-columns: 1fr;
                gap: 24px;
                padding: 24px;
            }
            .deep-analysis-content h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== 实战案例卡片 ========== */
        .case-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .case-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .case-card .case-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .case-card .case-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .case-card:hover .case-img img {
            transform: scale(1.05);
        }

        .case-card .case-img .case-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.72rem;
            font-weight: 700;
            z-index: 2;
        }

        .case-card .case-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .case-card .case-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .case-card .case-body p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 14px;
            flex: 1;
        }

        .case-card .case-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.78rem;
            color: var(--color-text-light);
            border-top: 1px solid var(--color-border-light);
            padding-top: 12px;
        }

        @media (max-width: 900px) {
            .case-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .case-cards-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .case-card .case-img {
                height: 150px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            max-width: 800px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            background: transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-text-light);
            flex-shrink: 0;
            font-size: 0.8rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #1a1a2e 100%);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: #b0b0ba;
            margin: 0 0 28px;
            position: relative;
            z-index: 2;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }

        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form input:focus {
            border-color: var(--color-primary);
            background: rgba(255, 255, 255, 0.12);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.2);
        }

        .cta-form .btn-submit {
            padding: 14px 32px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            white-space: nowrap;
        }

        .cta-form .btn-submit:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 0 40px rgba(232, 69, 45, 0.4);
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: 36px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
            }
            .cta-form .btn-submit {
                text-align: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 50px 0 0;
            margin-top: auto;
            flex-shrink: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: #9999a5;
            line-height: 1.7;
            margin: 0;
            max-width: 280px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: #9999a5;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #fff;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #777780;
            gap: 12px;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .footer-bottom-links a {
            color: #777780;
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #fff;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

        /* ========== 通用工具类 ========== */
        .text-center {
            text-align: center;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .bg-section-alt {
            background: var(--color-bg-section);
        }
        .bg-white {
            background: var(--color-bg-card);
        }

/* roulang page: category5 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== NAVIGATION - 工具栏式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-text);
            background: rgba(0, 0, 0, 0.04);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.07);
            font-weight: 600;
        }

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0;
            transform: scale(0);
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-links a.active .nav-dot {
            opacity: 1;
            transform: scale(1);
        }

        .nav-cta-btn {
            padding: 9px 20px;
            background: var(--color-primary);
            color: #fff !important;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            box-shadow: 0 2px 10px rgba(232, 69, 45, 0.25);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            width: 36px;
            height: 36px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            font-size: 1.3rem;
            color: var(--color-text);
            flex-shrink: 0;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 12px;
                gap: 10px;
            }
            .logo-link {
                font-size: 1.15rem;
                gap: 6px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 16px;
                gap: 2px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                transition: all var(--transition-base);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                justify-content: flex-start;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .nav-cta-btn {
                display: none;
            }
            .nav-cta-btn-mobile {
                display: block;
                margin-top: 8px;
                text-align: center;
                padding: 12px 20px;
                background: var(--color-primary);
                color: #fff !important;
                border-radius: var(--radius-full);
                font-weight: 600;
                font-size: 0.95rem;
            }
        }

        @media (min-width: 769px) {
            .nav-cta-btn-mobile {
                display: none;
            }
        }

        /* ========== HERO - 裂变邀请 ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #0f0f1a 100%);
            min-height: 580px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            top: -100px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 0;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 24px;
        }

        .hero-content {
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240, 165, 0, 0.18);
            border: 1px solid rgba(240, 165, 0, 0.35);
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            color: #f0a500;
            margin-bottom: 20px;
            letter-spacing: 0.03em;
        }

        .hero-badge i {
            font-size: 0.9rem;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 16px;
            color: #fff;
            letter-spacing: -0.02em;
        }

        .hero-content h1 span {
            color: #f0a500;
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #c5c5d0;
            margin: 0 0 28px;
            line-height: 1.6;
            max-width: 480px;
        }

        .hero-reward-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-reward-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95rem;
            color: #d5d5de;
            padding: 8px 0;
        }

        .hero-reward-item .reward-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            font-weight: 700;
        }

        .reward-icon.tier-1 {
            background: #8e8e93;
            color: #fff;
        }
        .reward-icon.tier-2 {
            background: #f0a500;
            color: #1a1a2e;
        }
        .reward-icon.tier-3 {
            background: #e8452d;
            color: #fff;
        }
        .reward-icon.tier-4 {
            background: linear-gradient(135deg, #f0a500, #e8452d);
            color: #fff;
        }

        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 32px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary-lg:hover {
            background: #ff5c45;
            box-shadow: 0 0 50px rgba(232, 69, 45, 0.4), 0 10px 28px rgba(232, 69, 45, 0.2);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-base);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-progress-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 32px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .hero-progress-panel .panel-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            text-align: center;
        }

        .hero-progress-panel .panel-subtitle {
            font-size: 0.88rem;
            color: #a0a0b0;
            text-align: center;
            margin-bottom: 20px;
        }

        .progress-info-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
            font-size: 0.9rem;
            color: #d5d5de;
        }

        .progress-info-row strong {
            color: #f0a500;
            font-size: 1.3rem;
        }

        .progress-bar-outer {
            width: 100%;
            height: 14px;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .progress-bar-inner {
            height: 100%;
            background: linear-gradient(90deg, #f0a500, #e8452d);
            border-radius: 20px;
            transition: width 0.6s ease;
            position: relative;
            width: 60%;
        }

        .progress-bar-inner::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translate(50%, -50%);
            width: 22px;
            height: 22px;
            background: #fff;
            border-radius: 50%;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
            border: 3px solid #f0a500;
        }

        .progress-milestones {
            display: flex;
            justify-content: space-between;
            font-size: 0.75rem;
            color: #9090a0;
            margin-bottom: 20px;
        }

        .progress-milestones span {
            text-align: center;
            position: relative;
        }

        .progress-milestones span.reached {
            color: #f0a500;
            font-weight: 600;
        }

        .invite-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 16px;
        }

        .invite-stat-card {
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            padding: 14px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .invite-stat-card .stat-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: #f0a500;
            line-height: 1;
            margin-bottom: 4px;
        }

        .invite-stat-card .stat-label {
            font-size: 0.78rem;
            color: #a0a0b0;
        }

        @media (max-width: 900px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 40px 16px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-progress-panel {
                padding: 24px;
            }
            .hero-section {
                min-height: auto;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-cta-row {
                flex-direction: column;
            }
            .btn-primary-lg,
            .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .invite-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: 64px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(232, 69, 45, 0.08);
            color: var(--color-primary);
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 10px;
            letter-spacing: -0.02em;
        }

        .section-header .section-desc {
            font-size: 1rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }

        .metric-card .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            background: rgba(232, 69, 45, 0.08);
            color: var(--color-primary);
        }

        .metric-card .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .metric-card .metric-label {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-success);
            margin-top: 8px;
        }

        @media (max-width: 900px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 18px 14px;
            }
            .metric-card .metric-value {
                font-size: 1.6rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-border);
        }

        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }

        .service-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .service-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0 0 16px;
            line-height: 1.55;
            flex: 1;
        }

        .service-card-body .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 14px;
        }

        .service-tag {
            display: inline-block;
            padding: 4px 10px;
            font-size: 0.75rem;
            background: rgba(232, 69, 45, 0.06);
            color: var(--color-primary);
            border-radius: var(--radius-full);
            font-weight: 500;
        }

        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .service-link:hover {
            color: var(--color-primary-dark);
            gap: 10px;
        }

        @media (max-width: 900px) {
            .service-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 600px) {
            .service-matrix-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card-img {
                height: 160px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }

        .comparison-table thead th {
            background: var(--color-secondary);
            color: #fff;
            padding: 16px 20px;
            text-align: center;
            font-weight: 600;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: 0;
        }

        .comparison-table thead th.highlight-col {
            background: var(--color-primary);
            position: relative;
        }

        .comparison-table thead th.highlight-col::after {
            content: '推荐';
            position: absolute;
            top: -6px;
            right: 12px;
            font-size: 0.7rem;
            background: #f0a500;
            color: #1a1a2e;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 700;
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-soft);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table tbody tr:hover td {
            background: rgba(232, 69, 45, 0.02);
        }

        .comparison-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: #ccc;
            font-size: 1.1rem;
        }

        .comparison-table .star-icon {
            color: #f0a500;
            font-size: 1.1rem;
        }

        .comparison-scroll {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        @media (max-width: 768px) {
            .comparison-table {
                font-size: 0.82rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .deep-content-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 14px;
            letter-spacing: -0.01em;
        }

        .deep-content-text p {
            font-size: 0.98rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 14px;
        }

        .deep-content-text .highlight-box {
            background: rgba(240, 165, 0, 0.06);
            border-left: 4px solid #f0a500;
            padding: 14px 18px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 16px 0;
            font-weight: 500;
            color: var(--color-text);
            font-size: 0.95rem;
        }

        .deep-content-visual {
            position: relative;
        }

        .deep-content-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .deep-content-visual .visual-caption {
            text-align: center;
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-top: 10px;
        }

        @media (max-width: 768px) {
            .deep-content-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .deep-content-text h3 {
                font-size: 1.25rem;
            }
        }

        /* ========== TOOLS SECTION ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }

        .tool-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 18px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .tool-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-primary-light);
        }

        .tool-card .tool-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            background: linear-gradient(135deg, rgba(232, 69, 45, 0.1), rgba(240, 165, 0, 0.1));
            color: var(--color-primary);
        }

        .tool-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 6px;
        }

        .tool-card .tool-desc {
            font-size: 0.82rem;
            color: var(--color-text-soft);
            line-height: 1.5;
            margin: 0;
        }

        @media (max-width: 900px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }

        @media (max-width: 520px) {
            .tools-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .tool-card {
                padding: 16px 12px;
            }
            .tool-card .tool-icon-circle {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
        }

        /* ========== SUCCESS STORIES ========== */
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .story-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .story-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .story-card .story-quote {
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 14px;
            font-style: italic;
            position: relative;
            padding-left: 20px;
        }

        .story-card .story-quote::before {
            content: '\201C';
            position: absolute;
            left: 0;
            top: -4px;
            font-size: 2rem;
            color: var(--color-primary);
            font-style: normal;
            line-height: 1;
            opacity: 0.5;
        }

        .story-card .story-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .story-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .story-author-info .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .story-author-info .author-detail {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        @media (max-width: 900px) {
            .stories-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }

        @media (max-width: 600px) {
            .stories-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: none;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            line-height: 1.4;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--color-text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center / cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 24px;
        }

        .cta-text {
            color: #fff;
        }

        .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .cta-text .cta-desc {
            font-size: 1rem;
            color: #c5c5d0;
            margin: 0 0 10px;
            line-height: 1.6;
        }

        .cta-benefit-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .cta-benefit-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #d5d5de;
            font-size: 0.93rem;
        }

        .cta-benefit-list li i {
            color: #f0a500;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .cta-form-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 32px;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .cta-form-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 6px;
            text-align: center;
        }

        .cta-form-card .form-subtitle {
            font-size: 0.88rem;
            color: #a0a0b0;
            text-align: center;
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-size: 0.85rem;
            color: #c5c5d0;
            margin-bottom: 5px;
            font-weight: 500;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 0.93rem;
        }

        .form-group input::placeholder {
            color: #808090;
        }

        .form-group input:focus,
        .form-group select:focus {
            border-color: #f0a500;
            box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.15);
        }

        .form-group select {
            color: #c5c5d0;
        }

        .form-group select option {
            color: #1a1a2e;
            background: #fff;
        }

        .btn-submit-full {
            width: 100%;
            padding: 14px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            margin-top: 6px;
        }

        .btn-submit-full:hover {
            background: #ff5c45;
            box-shadow: 0 0 44px rgba(232, 69, 45, 0.4);
            transform: translateY(-1px);
        }

        .form-note {
            text-align: center;
            font-size: 0.75rem;
            color: #808090;
            margin-top: 10px;
        }

        @media (max-width: 768px) {
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
                padding: 40px 16px;
            }
            .cta-text h2 {
                font-size: 1.5rem;
            }
            .cta-form-card {
                padding: 24px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-secondary);
            color: var(--color-text-on-dark);
            padding: 48px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            color: #a0a0b0;
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: #a0a0b0;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: #f0a500;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #808090;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom-links a {
            color: #808090;
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: #f0a500;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-bottom-links {
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ========== NAVIGATION - 工具栏式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.05);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.08);
            font-weight: 600;
        }

        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--color-primary);
            opacity: 0;
            transition: opacity var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-links a.active .nav-dot {
            opacity: 1;
        }

        .nav-cta-btn {
            background: var(--color-primary);
            color: #fff !important;
            padding: 9px 18px !important;
            border-radius: var(--radius-full) !important;
            font-weight: 600 !important;
            font-size: 0.88rem !important;
            transition: all var(--transition-base) !important;
            box-shadow: 0 2px 10px rgba(232, 69, 45, 0.25);
            flex-shrink: 0;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.35) !important;
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .nav-cta-btn {
                padding: 7px 14px !important;
                font-size: 0.8rem !important;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-base);
                z-index: 999;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                justify-content: flex-start;
            }
            .nav-cta-btn {
                width: 100%;
                text-align: center;
                justify-content: center !important;
                margin-top: 8px;
            }
        }

        /* ========== MAIN CONTENT ========== */
        main {
            flex: 1;
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
        }

        /* ========== HERO - 裂变邀请首屏 ========== */
        .hero-referral {
            position: relative;
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            color: var(--color-text-on-dark);
            padding: 80px 0 70px;
            overflow: hidden;
        }

        .hero-referral::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-referral::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-referral .container {
            position: relative;
            z-index: 2;
        }

        .hero-referral-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-referral-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-accent);
            margin-bottom: 20px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(240, 165, 0, 0.4);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(240, 165, 0, 0);
            }
        }

        .hero-referral-badge i {
            font-size: 0.75rem;
            animation: sparkle 1.5s ease-in-out infinite;
        }

        @keyframes sparkle {
            0%,
            100% {
                opacity: 0.5;
                transform: scale(0.9);
            }
            50% {
                opacity: 1;
                transform: scale(1.2);
            }
        }

        .hero-referral h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.03em;
            margin: 0 0 16px;
            color: #fff;
        }

        .hero-referral h1 .highlight {
            color: var(--color-accent);
            position: relative;
        }

        .hero-referral .hero-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 28px;
            line-height: 1.6;
            max-width: 480px;
        }

        .hero-reward-cards {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-reward-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-md);
            padding: 14px 18px;
            text-align: center;
            min-width: 90px;
            transition: all var(--transition-base);
        }

        .hero-reward-card:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-3px);
            box-shadow: var(--shadow-glow);
        }

        .hero-reward-card .reward-icon {
            font-size: 1.5rem;
            margin-bottom: 6px;
        }

        .hero-reward-card .reward-num {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-accent);
        }

        .hero-reward-card .reward-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 2px;
        }

        .hero-progress-wrap {
            margin-bottom: 24px;
            max-width: 420px;
        }

        .hero-progress-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 8px;
        }

        .hero-progress-bar {
            height: 10px;
            background: rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            overflow: hidden;
            position: relative;
        }

        .hero-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: 10px;
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .hero-progress-fill::after {
            content: '';
            position: absolute;
            right: 0;
            top: 0;
            width: 20px;
            height: 100%;
            background: rgba(255, 255, 255, 0.5);
            border-radius: 10px;
            animation: shimmer 1.8s ease-in-out infinite;
        }

        @keyframes shimmer {
            0%,
            100% {
                opacity: 0.3;
            }
            50% {
                opacity: 0.9;
            }
        }

        .hero-referral-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 18px rgba(232, 69, 45, 0.35);
            border: none;
            cursor: pointer;
        }

        .btn-primary-lg:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 24px rgba(232, 69, 45, 0.5);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .btn-outline-lg:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-referral-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-visual-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 30px;
            text-align: center;
            backdrop-filter: blur(10px);
            max-width: 380px;
            width: 100%;
        }

        .hero-visual-card img {
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            width: 100%;
            object-fit: cover;
            aspect-ratio: 16/10;
        }

        .hero-visual-card .visual-label {
            color: var(--color-accent);
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 4px;
        }

        .hero-visual-card .visual-desc {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .hero-referral-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-referral h1 {
                font-size: 2rem;
            }
            .hero-referral {
                padding: 50px 0 45px;
            }
            .hero-reward-cards {
                gap: 8px;
            }
            .hero-reward-card {
                min-width: 70px;
                padding: 10px 12px;
            }
            .hero-reward-card .reward-num {
                font-size: 0.95rem;
            }
            .hero-visual-card {
                max-width: 100%;
            }
        }

        /* ========== 指标看板 ========== */
        .metrics-dashboard {
            background: var(--color-bg-card);
            border-bottom: 1px solid var(--color-border-light);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            text-align: center;
            padding: 28px 20px;
            border-radius: var(--radius-lg);
            background: var(--color-bg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            opacity: 0;
            transition: opacity var(--transition-base);
        }

        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            display: block;
        }

        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-secondary);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

        .metric-value .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-soft);
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-light);
            font-weight: 500;
        }

        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-success);
            margin-top: 6px;
        }

        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-value {
                font-size: 1.6rem;
            }
            .metric-card {
                padding: 20px 14px;
            }
        }

        @media (max-width: 480px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* ========== 服务矩阵 - 故事分类 ========== */
        .story-matrix {
            background: var(--color-bg-section);
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 10px;
            letter-spacing: -0.02em;
        }

        .section-header p {
            font-size: 1rem;
            color: var(--color-text-soft);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .story-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .story-category-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .story-category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: var(--color-primary-light);
        }

        .story-category-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .story-category-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .story-category-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .story-category-card .card-img-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--color-primary);
            color: #fff;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }

        .story-category-card .card-body {
            padding: 20px;
        }

        .story-category-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .story-category-card .card-body p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            margin: 0 0 12px;
            line-height: 1.5;
        }

        .story-category-card .card-stats {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--color-text-light);
        }

        .story-category-card .card-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        @media (max-width: 768px) {
            .story-matrix-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .story-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== 最新中奖故事详情 ========== */
        .latest-stories {
            background: var(--color-bg-card);
        }

        .stories-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .story-detail-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .story-detail-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .story-detail-card .story-img {
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .story-detail-card .story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .story-detail-card:hover .story-img img {
            transform: scale(1.05);
        }

        .story-detail-card .story-content {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .story-detail-card .story-date {
            font-size: 0.8rem;
            color: var(--color-text-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .story-detail-card .story-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .story-detail-card .story-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 14px;
            flex: 1;
        }

        .story-detail-card .story-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: var(--color-text-light);
            padding-top: 12px;
            border-top: 1px solid var(--color-border-light);
        }

        .story-detail-card .story-prize {
            font-weight: 700;
            color: var(--color-primary);
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.88rem;
            transition: all var(--transition-fast);
            padding: 6px 0;
        }

        .btn-read-more:hover {
            color: var(--color-primary-dark);
            gap: 10px;
        }

        .btn-read-more i {
            font-size: 0.75rem;
            transition: transform var(--transition-fast);
        }

        .btn-read-more:hover i {
            transform: translateX(3px);
        }

        @media (max-width: 768px) {
            .stories-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 结果对比 ========== */
        .compare-section {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }

        .compare-section .section-header h2 {
            color: #fff;
        }

        .compare-section .section-header p {
            color: rgba(255, 255, 255, 0.65);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            max-width: 900px;
            margin: 0 auto;
        }

        .compare-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            transition: all var(--transition-base);
        }

        .compare-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.25);
        }

        .compare-card.before {
            border-left: 4px solid var(--color-text-light);
        }

        .compare-card.after {
            border-left: 4px solid var(--color-accent);
            background: rgba(240, 165, 0, 0.08);
            border-color: rgba(240, 165, 0, 0.3);
        }

        .compare-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-card.after h3 {
            color: var(--color-accent);
        }

        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .compare-card ul li {
            padding: 8px 0;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.7);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.5;
        }

        .compare-card ul li i {
            margin-top: 3px;
            flex-shrink: 0;
        }

        .compare-card.before ul li i {
            color: var(--color-text-light);
        }

        .compare-card.after ul li i {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .compare-card {
                padding: 24px 20px;
            }
        }

        /* ========== 中奖经验分享 ========== */
        .tips-section {
            background: var(--color-bg-section);
        }

        .tips-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .tip-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-align: center;
        }

        .tip-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .tip-card .tip-icon {
            width: 56px;
            height: 56px;
            background: rgba(240, 165, 0, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-accent);
            transition: all var(--transition-base);
        }

        .tip-card:hover .tip-icon {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 0 24px rgba(240, 165, 0, 0.35);
        }

        .tip-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-secondary);
            margin: 0 0 8px;
        }

        .tip-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .tips-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .tips-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== 用户见证墙 ========== */
        .testimonials-section {
            background: var(--color-bg-card);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 10px;
            left: 18px;
            font-size: 3rem;
            color: var(--color-primary);
            opacity: 0.2;
            font-family: serif;
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }

        .testimonial-card .testimonial-text {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 16px;
            position: relative;
            z-index: 1;
            padding-top: 8px;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--color-border-light);
            padding-top: 14px;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-info .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-secondary);
        }

        .testimonial-card .author-info .author-detail {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        @media (max-width: 768px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--color-bg-section);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-secondary);
            transition: color var(--transition-fast);
            user-select: none;
            gap: 12px;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.65;
        }

        /* ========== CTA 转化 ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a1a2e 0%, #16213e 50%, #1a1a2e 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -60px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 69, 45, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
            color: #fff;
        }

        .cta-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 20px;
            line-height: 1.6;
        }

        .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.8);
            background: rgba(255, 255, 255, 0.07);
            padding: 8px 14px;
            border-radius: var(--radius-full);
        }

        .cta-benefits li i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }

        .cta-form-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 30px;
            backdrop-filter: blur(10px);
        }

        .cta-form-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: #fff;
        }

        .cta-form-card .form-subtitle {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin: 0 0 20px;
        }

        .cta-form-card .form-row {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
        }

        .cta-form-card input {
            flex: 1;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: 0.92rem;
            transition: all var(--transition-fast);
        }

        .cta-form-card input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .cta-form-card input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.12);
        }

        .cta-form-card .btn-submit {
            width: 100%;
            background: var(--color-accent);
            color: #1a1a2e;
            padding: 13px 24px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            margin-top: 4px;
        }

        .cta-form-card .btn-submit:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 20px rgba(240, 165, 0, 0.4);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .cta-text h2 {
                font-size: 1.5rem;
            }
            .cta-form-card {
                padding: 22px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
            padding: 50px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .footer-brand-desc {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.8);
            margin: 0 0 14px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            justify-content: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 通用按钮 ========== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 2px 10px rgba(232, 69, 45, 0.25);
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.4);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-border);
            color: var(--color-text);
        }

        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.03);
        }

        /* ========== 动画 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
        }

/* roulang page: category7 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-secondary: #1a1a2e;
            --color-accent: #f0a500;
            --color-accent-dark: #d48900;
            --color-bg: #fafaf9;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #ffffff;
            --color-bg-section: #f5f2ef;
            --color-text: #1c1c1e;
            --color-text-soft: #5c5c60;
            --color-text-light: #8e8e93;
            --color-text-on-dark: #e5e5ea;
            --color-border: #e0ded9;
            --color-border-light: #f0ede8;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 8px 20px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 40px rgba(232, 69, 45, 0.25), 0 8px 24px rgba(232, 69, 45, 0.12);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1280px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            line-height: 1.65;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-card);
            color: var(--color-text);
        }

        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(232, 69, 45, 0.1);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ========== NAVIGATION - 工具栏式 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--color-secondary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.3);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.05);
        }

        .nav-links a.active {
            color: var(--color-primary);
            background: rgba(232, 69, 45, 0.08);
            font-weight: 600;
        }

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            display: inline-block;
            opacity: 0;
            transition: opacity var(--transition-fast);
        }

        .nav-links a.active .nav-dot {
            opacity: 1;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            background: var(--color-primary);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.88rem;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(232, 69, 45, 0.25);
        }

        .btn-nav-cta:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(232, 69, 45, 0.35);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }

        /* ========== HERO ========== */
        .section-hero {
            position: relative;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 40%, #0f3460 100%);
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .section-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .section-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.95) 0%, rgba(26, 26, 46, 0.4) 50%, transparent 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .hero-text {
            color: #fff;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(240, 165, 0, 0.2);
            color: var(--color-accent);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(240, 165, 0, 0.3);
            letter-spacing: 0.02em;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin: 0 0 16px;
            letter-spacing: -0.03em;
            color: #fff;
        }

        .hero-text h1 span {
            color: var(--color-accent);
        }

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-on-dark);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
            opacity: 0.9;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            background: #ff5533;
            transform: translateY(-2px);
            box-shadow: 0 0 56px rgba(232, 69, 45, 0.4), 0 12px 32px rgba(232, 69, 45, 0.2);
        }

        .btn-hero-outline {
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-visual {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-demo-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            width: 100%;
            max-width: 420px;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.3);
        }

        .hero-demo-card .demo-steps {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hero-demo-card .demo-steps li {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
        }

        .hero-demo-card .demo-steps li:last-child {
            border-bottom: none;
        }

        .hero-demo-card .step-num {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .hero-demo-card .step-check {
            color: var(--color-success);
            font-size: 1.1rem;
            margin-left: auto;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 72px 0;
        }

        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }

        .section-alt {
            background: var(--color-bg-section);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: -0.02em;
            color: inherit;
        }

        .section-header .section-tag {
            display: inline-block;
            background: rgba(232, 69, 45, 0.1);
            color: var(--color-primary);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.03em;
        }

        .section-header p {
            color: var(--color-text-soft);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header p {
            color: var(--color-text-light);
        }

        .section-dark .section-header h2 {
            color: #fff;
        }

        /* ========== STATS DASHBOARD ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-primary);
        }

        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            background: rgba(232, 69, 45, 0.08);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: var(--color-primary);
        }

        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-secondary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            font-weight: 500;
        }

        .stat-card .stat-change {
            font-size: 0.8rem;
            color: var(--color-success);
            font-weight: 600;
            margin-top: 4px;
        }

        /* ========== SERVICE MATRIX ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
            border-color: var(--color-primary);
        }

        .service-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .service-card:hover .service-card-img img {
            transform: scale(1.06);
        }

        .service-card-body {
            padding: 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 10px;
            color: var(--color-secondary);
        }

        .service-card-body p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0 0 16px;
            flex: 1;
        }

        .service-card-body .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: auto;
        }

        .service-tag {
            display: inline-block;
            background: rgba(232, 69, 45, 0.06);
            color: var(--color-primary);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 500;
        }

        /* ========== COMPARISON ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-secondary);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            white-space: nowrap;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
            background: var(--color-primary);
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text-soft);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
        }

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

        .comparison-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: var(--color-danger);
            font-size: 1.1rem;
        }

        .comparison-table .highlight-col {
            background: rgba(232, 69, 45, 0.03);
        }

        .comparison-table tbody tr:hover {
            background: rgba(232, 69, 45, 0.02);
        }

        /* ========== PROCESS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }

        .process-steps::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--color-border);
            z-index: 0;
        }

        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .process-step .step-circle {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--color-bg-card);
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }

        .process-step:hover .step-circle {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
            transform: scale(1.08);
            background: #fff;
        }

        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin: 0 0 6px;
            color: var(--color-secondary);
        }

        .process-step p {
            font-size: 0.84rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FEATURES ========== */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .feature-row+.feature-row {
            margin-top: 60px;
        }

        .feature-row.reverse {
            direction: rtl;
        }

        .feature-row.reverse .feature-text {
            direction: ltr;
        }

        .feature-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin: 0 0 14px;
            color: var(--color-secondary);
            letter-spacing: -0.02em;
        }

        .feature-text p {
            font-size: 1rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 20px;
        }

        .feature-text .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .feature-text .feature-list li {
            padding: 8px 0 8px 28px;
            position: relative;
            font-size: 0.93rem;
            color: var(--color-text);
            line-height: 1.6;
        }

        .feature-text .feature-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 10px;
            color: var(--color-success);
            font-size: 0.8rem;
        }

        .feature-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

        .feature-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* ========== SECURITY ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .security-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-base);
        }

        .security-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-3px);
        }

        .security-card .sec-icon {
            width: 56px;
            height: 56px;
            background: rgba(46, 204, 113, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--color-success);
        }

        .security-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 8px;
        }

        .security-card p {
            font-size: 0.88rem;
            color: var(--color-text-on-dark);
            opacity: 0.8;
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-sm);
        }

        .faq-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-secondary);
            gap: 16px;
            user-select: none;
            transition: color var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(232, 69, 45, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 24px;
            font-size: 0.93rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ========== CTA ========== */
        .section-cta {
            background: linear-gradient(135deg, #1a1a2e 0%, #0f3460 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-text {
            color: #fff;
        }

        .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 14px;
            letter-spacing: -0.02em;
        }

        .cta-text p {
            font-size: 1.05rem;
            color: var(--color-text-on-dark);
            opacity: 0.85;
            line-height: 1.7;
            margin: 0 0 24px;
        }

        .cta-form-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: 0 20px 48px rgba(0, 0, 0, 0.3);
        }

        .cta-form-card h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 20px;
            text-align: center;
        }

        .cta-form-card .form-group {
            margin-bottom: 14px;
        }

        .cta-form-card .form-group label {
            display: block;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 5px;
        }

        .cta-form-card input,
        .cta-form-card select {
            width: 100%;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            font-size: 0.93rem;
            transition: all var(--transition-fast);
        }

        .cta-form-card input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(240, 165, 0, 0.15);
            background: rgba(255, 255, 255, 0.15);
        }

        .cta-form-card select option {
            background: #1a1a2e;
            color: #fff;
        }

        .btn-cta-submit {
            width: 100%;
            background: var(--color-accent);
            color: #1a1a2e;
            padding: 14px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.3);
            margin-top: 6px;
        }

        .btn-cta-submit:hover {
            background: #ffb833;
            box-shadow: 0 6px 24px rgba(240, 165, 0, 0.45);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-secondary);
            color: var(--color-text-on-dark);
            padding: 48px 0 0;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.02em;
        }

        .footer-brand-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent);
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom-links a:hover {
            color: var(--color-accent);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
                text-align: center;
            }

            .hero-text h1 {
                font-size: 2.2rem;
            }

            .hero-text .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }

            .hero-actions {
                justify-content: center;
            }

            .hero-demo-card {
                max-width: 100%;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .feature-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .feature-row.reverse {
                direction: ltr;
            }

            .process-steps {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }

            .process-steps::before {
                display: none;
            }

            .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }

            .nav-links {
                gap: 2px;
            }

            .nav-links a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }

            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .hero-text h1 {
                font-size: 1.8rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .stat-card {
                padding: 20px 16px;
            }

            .stat-card .stat-number {
                font-size: 1.6rem;
            }

            .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .process-steps {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .security-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .comparison-table-wrap {
                font-size: 0.8rem;
            }

            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }

            .footer-bottom-links {
                justify-content: center;
            }

            .mobile-menu-toggle {
                display: block;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.97);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 999;
            }

            .nav-links.active {
                display: flex;
            }

            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 0.95rem;
                width: 100%;
            }

            .nav-actions .btn-nav-cta {
                display: none;
            }

            .nav-actions .btn-nav-cta-mobile {
                display: inline-block;
                background: var(--color-primary);
                color: #fff;
                padding: 8px 16px;
                border-radius: var(--radius-full);
                font-weight: 600;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }

            .hero-text h1 {
                font-size: 1.5rem;
            }

            .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
                width: 100%;
                justify-content: center;
            }

            .hero-actions {
                flex-direction: column;
                width: 100%;
            }

            .stats-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .process-steps {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .cta-form-card {
                padding: 24px 18px;
            }
        }