/* roulang page: index */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: #ccc;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 999;
            padding: 20px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            color: #ccc;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
        }

        .mobile-menu .nav-chip {
            display: inline-flex;
            margin: 8px 16px;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.75) 40%, rgba(13, 71, 161, 0.55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 100px 20px 80px;
            margin-top: 0;
            text-align: center;
            color: var(--white);
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.03), transparent);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 102, 0, 0.25);
            color: #FFB380;
            padding: 6px 18px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 102, 0, 0.35);
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
            color: #fff;
        }

        .hero-content h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: #ccc;
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            font-size: var(--font-sm);
            font-weight: 600;
            border-radius: var(--radius-md);
            letter-spacing: 0.4px;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(255, 102, 0, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(255, 102, 0, 0.45);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 102, 0, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .hero-stats {
            display: flex;
            gap: 30px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: center;
        }

        .hero-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .hero-stat .stat-label {
            font-size: var(--font-xs);
            color: #aaa;
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 20px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header .section-tag {
            display: inline-block;
            font-size: var(--font-xs);
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .section-header .section-desc {
            font-size: var(--font-base);
            color: var(--gray-600);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-bg-gray {
            background: var(--gray-100);
        }

        .section-bg-dark {
            background: var(--dark);
            color: #ddd;
        }

        .section-bg-dark .section-header h2 {
            color: #fff;
        }
        .section-bg-dark .section-header .section-desc {
            color: #bbb;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .cards-grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .cards-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }

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

        .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 14px;
            background: var(--primary-light);
            color: var(--primary);
        }

        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .card p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Asymmetric Grid */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .asymmetric-grid.reverse {
            grid-template-columns: 1fr 1.3fr;
        }

        .asymmetric-grid .grid-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .asymmetric-grid .grid-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .asymmetric-grid .grid-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--dark);
        }

        .asymmetric-grid .grid-text p {
            color: var(--gray-600);
            line-height: 1.7;
            margin-bottom: 10px;
        }

        /* Progress / Task */
        .progress-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 700px;
            margin: 0 auto;
        }

        .progress-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--primary);
            transition: all var(--transition-normal);
        }

        .progress-item:hover {
            box-shadow: var(--shadow-md);
            border-left-color: var(--primary-dark);
        }

        .progress-step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .progress-item.completed .progress-step-num {
            background: #27AE60;
        }

        .progress-item .progress-info h4 {
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 4px;
        }

        .progress-item .progress-info p {
            font-size: var(--font-sm);
            color: var(--gray-600);
        }

        .progress-bar-wrap {
            margin-top: 20px;
            background: #e0e0e0;
            border-radius: var(--radius-full);
            height: 8px;
            overflow: hidden;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .progress-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), #FF8C42);
            border-radius: var(--radius-full);
            width: 68%;
            transition: width 0.6s ease;
        }

        .progress-label {
            text-align: center;
            font-size: var(--font-xs);
            color: var(--gray-500);
            margin-top: 8px;
        }

        /* Testimonials */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            font-size: 4rem;
            color: var(--primary);
            opacity: 0.2;
            position: absolute;
            top: 10px;
            left: 18px;
            line-height: 1;
            font-family: serif;
        }

        .testimonial-card .quote {
            font-size: var(--font-sm);
            color: var(--gray-700);
            line-height: 1.7;
            margin-bottom: 14px;
            padding-top: 10px;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--dark);
        }

        .testimonial-card .author-role {
            font-size: var(--font-xs);
            color: var(--gray-500);
        }

        /* News List */
        .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 0;
            max-width: 900px;
            margin: 0 auto;
        }

        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--gray-200);
            align-items: flex-start;
            transition: all var(--transition-fast);
        }

        .news-item:hover {
            background: var(--gray-50);
            padding-left: 12px;
            margin-left: -12px;
            border-radius: var(--radius-md);
        }

        .news-date {
            font-size: var(--font-xs);
            color: var(--gray-500);
            white-space: nowrap;
            padding-top: 3px;
            min-width: 90px;
            font-weight: 500;
        }

        .news-content h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .news-content p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .news-content .read-more {
            font-size: var(--font-xs);
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .news-content .read-more:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        .news-sidebar {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-md);
        }

        .news-sidebar h4 {
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 1rem;
        }

        .news-sidebar ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--gray-100);
            font-size: var(--font-sm);
            color: var(--gray-700);
        }

        .news-sidebar ul li a:hover {
            color: var(--primary);
        }

        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
            align-items: start;
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            padding: 0;
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 0;
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            transition: transform var(--transition-slow);
            font-size: 0.8rem;
            color: var(--gray-500);
            flex-shrink: 0;
            margin-left: 12px;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 60%, #0d1b3e 100%);
            text-align: center;
            padding: 70px 20px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at 30% 60%, rgba(255, 102, 0, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: #ccc;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* Partner Logo Wall */
        .logo-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            align-items: center;
            opacity: 0.7;
        }

        .logo-wall-item {
            background: #fff;
            padding: 16px 24px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--gray-600);
            text-align: center;
            min-width: 100px;
            transition: all var(--transition-normal);
        }

        .logo-wall-item:hover {
            opacity: 1;
            box-shadow: var(--shadow-md);
            color: var(--dark);
        }

        /* Brand Intro */
        .brand-intro {
            background: var(--dark);
            color: #ddd;
            padding: 50px 40px;
            border-radius: var(--radius-xl);
            max-width: 900px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .brand-intro h3 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 14px;
            font-weight: 700;
        }

        .brand-intro p {
            margin-bottom: 10px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #aaa;
            padding: 40px 20px 30px;
            font-size: var(--font-xs);
            line-height: 1.8;
        }

        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
            margin-bottom: 24px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: var(--font-sm);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: #aaa;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            border-top: 1px solid #333;
            padding-top: 20px;
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
            align-items: center;
        }

        .footer-bottom a {
            color: #aaa;
        }

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

        .footer-bottom .sep {
            color: #555;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cards-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .asymmetric-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .asymmetric-grid.reverse {
                grid-template-columns: 1fr;
            }
            .asymmetric-grid .grid-image img {
                min-height: 240px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .section {
                padding: var(--section-gap-mobile) 16px;
            }
            .hero-section {
                min-height: 60vh;
                padding: 80px 16px 60px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .cards-grid,
            .cards-grid-2,
            .cards-grid-4 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .stat-num {
                font-size: 1.4rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.8rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
            }
            .news-item {
                flex-direction: column;
                gap: 6px;
            }
            .brand-intro {
                padding: 30px 20px;
            }
            .asymmetric-grid .grid-image img {
                min-height: 200px;
            }
            .section {
                padding: var(--section-gap-mobile) 12px;
            }
            .hero-section {
                min-height: 55vh;
                padding: 70px 12px 50px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.35rem;
            }
            .hero-stats {
                gap: 10px;
            }
            .hero-stat .stat-num {
                font-size: 1.1rem;
            }
            .hero-stat .stat-label {
                font-size: 0.65rem;
            }
            .card {
                padding: 16px;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 10px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: #ccc;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 999;
            flex-direction: column;
            padding: 20px;
            gap: 8px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            color: #ccc;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 500;
            transition: all var(--transition-fast);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
        }

        .mobile-menu .nav-chip {
            margin: 8px 0;
            align-self: flex-start;
            font-size: var(--font-sm);
            padding: 8px 16px;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--gray-50);
            border-bottom: 1px solid var(--gray-200);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--gray-500);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--gray-600);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--gray-300);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* Hero */
        .hero-category {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.75) 40%, rgba(13, 71, 161, 0.55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 60px 0;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 102, 0, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(255, 102, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-cat-inner {
            position: relative;
            z-index: 1;
            display: flex;
            align-items: center;
            gap: 50px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        .hero-cat-text {
            flex: 1;
            color: var(--white);
        }

        .hero-cat-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            color: #fff;
        }

        .hero-cat-text h1 span {
            color: var(--primary);
        }

        .hero-cat-text .hero-subtitle {
            font-size: 1.15rem;
            color: #ddd;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
        }

        .hero-cat-text .hero-sell-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-cat-text .hero-sell-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: var(--font-base);
            color: #eee;
            font-weight: 500;
        }

        .hero-cat-text .hero-sell-list li i {
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: var(--font-base);
            letter-spacing: 0.3px;
            transition: all var(--transition-normal);
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(255, 102, 0, 0.3);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(255, 102, 0, 0.4);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: var(--font-base);
            letter-spacing: 0.3px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-1px);
        }
        .btn-outline-light:active {
            transform: scale(0.97);
        }

        .hero-trust-strip {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-top: 20px;
            flex-wrap: wrap;
            font-size: var(--font-xs);
            color: #bbb;
        }

        .hero-trust-strip span {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .hero-trust-strip i {
            color: #4CAF50;
            font-size: 0.8rem;
        }

        .hero-cat-visual {
            flex: 0 0 420px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .hero-cat-visual .live-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            background: rgba(0, 0, 0, 0.4);
            padding: 12px 16px;
            border-radius: var(--radius-lg);
            color: #fff;
            font-weight: 600;
            font-size: var(--font-sm);
        }

        .live-dot {
            width: 9px;
            height: 9px;
            background: #ff3b3b;
            border-radius: 50%;
            animation: dotBlink 0.8s ease-in-out infinite;
        }

        .hero-cat-visual .score-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: rgba(0, 0, 0, 0.35);
            padding: 14px 18px;
            border-radius: var(--radius-lg);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .score-row .team {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .score-row .score-num {
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 800;
        }

        .score-row .vs-badge {
            background: rgba(255, 255, 255, 0.15);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 500;
        }

        /* Section通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--gray-50);
        }

        .section-dark {
            background: var(--dark);
            color: #fff;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: inherit;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-header .section-desc {
            font-size: var(--font-base);
            color: var(--gray-500);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header .section-desc {
            color: #bbb;
        }

        /* 赛事覆盖卡片网格 */
        .league-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .league-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            cursor: default;
        }

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

        .league-card .league-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.5rem;
            color: var(--primary);
            transition: all var(--transition-normal);
        }

        .league-card:hover .league-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }

        .league-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .league-card p {
            font-size: var(--font-sm);
            color: var(--gray-500);
            line-height: 1.5;
        }

        /* 双栏图文 */
        .two-col {
            display: flex;
            align-items: center;
            gap: 50px;
        }

        .two-col.reverse {
            flex-direction: row-reverse;
        }

        .two-col .col-text {
            flex: 1;
        }

        .two-col .col-text h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .two-col .col-text p {
            color: var(--gray-600);
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .two-col .col-text .feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }

        .two-col .col-text .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: var(--font-sm);
            color: var(--gray-700);
            line-height: 1.6;
        }

        .two-col .col-text .feature-list li i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        .two-col .col-image {
            flex: 0 0 460px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .two-col .col-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
            transition: transform var(--transition-slow);
        }

        .two-col .col-image:hover img {
            transform: scale(1.03);
        }

        /* 数据亮点 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .stat-card .stat-num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: var(--font-sm);
            color: #bbb;
            font-weight: 500;
        }

        .stat-card .stat-sub {
            font-size: var(--font-xs);
            color: #888;
            margin-top: 4px;
        }

        /* 场景卡片 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
        }

        .scene-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .scene-card .scene-img {
            height: 180px;
            overflow: hidden;
        }

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

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

        .scene-card .scene-body {
            padding: 20px;
        }

        .scene-card .scene-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .scene-card .scene-body p {
            font-size: var(--font-sm);
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* 流程/时间线 */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }

        .timeline-list::before {
            content: '';
            position: absolute;
            left: 28px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gray-200);
            border-radius: 2px;
        }

        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            position: relative;
        }

        .timeline-item .tl-dot {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--white);
            border: 3px solid var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            z-index: 1;
            transition: all var(--transition-normal);
        }

        .timeline-item:hover .tl-dot {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 0 0 8px rgba(255, 102, 0, 0.12);
        }

        .timeline-item .tl-content {
            flex: 1;
            padding-top: 8px;
        }

        .timeline-item .tl-content h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .timeline-item .tl-content p {
            font-size: var(--font-sm);
            color: var(--gray-500);
            line-height: 1.6;
        }

        /* 评价卡片 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            border-left: 4px solid var(--primary);
            transition: all var(--transition-normal);
        }

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

        .testimonial-card .quote {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 14px;
        }

        .testimonial-card .author {
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--dark);
        }

        .testimonial-card .author-role {
            font-size: var(--font-xs);
            color: var(--gray-400);
        }

        /* FAQ手风琴 */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--gray-200);
        }

        .faq-question {
            width: 100%;
            background: none;
            text-align: left;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-question i {
            font-size: 0.8rem;
            color: var(--gray-400);
            transition: transform var(--transition-normal);
        }

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

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

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

        .faq-answer p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
        }

        /* CTA区块 */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #e85d00 100%);
            padding: 60px 0;
            text-align: center;
            color: #fff;
        }

        .cta-section h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: var(--font-base);
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 24px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 30px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: var(--font-base);
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
        }

        .cta-section .btn-white:hover {
            background: #fefefe;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }
        .cta-section .btn-white:active {
            transform: scale(0.97);
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 50px 0 0;
        }

        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: #aaa;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            text-align: center;
            font-size: var(--font-xs);
            color: #888;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom .sep {
            color: #555;
        }

        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }

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

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .league-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .scene-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .two-col {
                flex-direction: column;
                gap: 30px;
            }
            .two-col.reverse {
                flex-direction: column;
            }
            .two-col .col-image {
                flex: 0 0 auto;
                width: 100%;
            }
            .hero-cat-inner {
                flex-direction: column;
                gap: 30px;
            }
            .hero-cat-visual {
                flex: 0 0 auto;
                width: 100%;
            }
            .hero-category {
                min-height: auto;
                padding: 50px 0;
            }
            .hero-cat-text h1 {
                font-size: 2rem;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .main-nav a {
                padding: 6px 10px;
                font-size: var(--font-xs);
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 5px 10px;
            }
            :root {
                --section-gap: 50px;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .league-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .scene-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .hero-cat-text h1 {
                font-size: 1.6rem;
            }
            .hero-cat-text .hero-subtitle {
                font-size: 1rem;
            }
            .hero-cat-cta {
                flex-direction: column;
                width: 100%;
            }
            .hero-cat-cta .btn-primary,
            .hero-cat-cta .btn-outline-light {
                width: 100%;
                justify-content: center;
            }
            .hero-cat-visual {
                padding: 16px;
            }
            .hero-cat-visual .score-row {
                font-size: 0.9rem;
                padding: 10px 14px;
            }
            .hero-cat-visual .score-row .score-num {
                font-size: 1.2rem;
            }
            .two-col .col-image {
                flex: 0 0 auto;
                width: 100%;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
                text-align: center;
            }
            .footer-bottom .sep {
                display: none;
            }
            .stat-card .stat-num {
                font-size: 2rem;
            }
            .timeline-list::before {
                left: 20px;
            }
            .timeline-item .tl-dot {
                width: 40px;
                height: 40px;
                font-size: 0.9rem;
            }
            .timeline-item {
                gap: 14px;
            }
            :root {
                --section-gap: 40px;
            }
        }

        @media (max-width: 520px) {
            .league-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .hero-cat-text h1 {
                font-size: 1.4rem;
            }
            .hero-category {
                padding: 35px 0;
            }
            .hero-cat-visual {
                padding: 12px;
            }
            .hero-cat-visual .score-row {
                font-size: 0.8rem;
                padding: 8px 10px;
            }
            .hero-cat-visual .score-row .score-num {
                font-size: 1rem;
            }
            .container {
                padding: 0 14px;
            }
            .section {
                padding: 30px 0;
            }
            .btn-primary,
            .btn-outline-light {
                padding: 12px 20px;
                font-size: var(--font-sm);
            }
        }

/* roulang page: category3 */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

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

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

        input,
        textarea {
            font-family: inherit;
            outline: none;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: #ccc;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }

        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 999;
            flex-direction: column;
            padding: 20px;
            gap: 6px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            color: #ccc;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
        }

        .mobile-menu .nav-chip {
            margin: 8px 0;
            align-self: flex-start;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--gray-50);
            border-bottom: 1px solid var(--gray-200);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--gray-600);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--gray-600);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--gray-400);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* Hero Section - 拼团转化风格 */
        .hero-section {
            position: relative;
            min-height: 70vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.78) 40%, rgba(13, 71, 161, 0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 60px 0;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 700px;
            height: 700px;
            background: radial-gradient(circle, rgba(255, 102, 0, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.18);
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-text h1 span {
            color: var(--primary);
        }

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: #d0d0d0;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-group-count {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-lg);
            padding: 12px 20px;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }

        .hero-group-count .count-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .hero-group-count .count-label {
            font-size: var(--font-sm);
            color: #ccc;
            line-height: 1.4;
        }

        .hero-group-count .count-label strong {
            color: #fff;
            display: block;
            font-size: var(--font-base);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-normal);
            white-space: nowrap;
            text-align: center;
            justify-content: center;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(255, 102, 0, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(255, 102, 0, 0.5);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 102, 0, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.55);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .hero-visual {
            flex: 0 0 420px;
            min-width: 300px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            width: 100%;
            height: auto;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .hero-visual .visual-caption {
            text-align: center;
            color: #ccc;
            font-size: var(--font-sm);
            margin-top: 14px;
            font-weight: 500;
        }

        /* Section通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--gray-50);
        }

        .section-dark {
            background: var(--dark);
            color: var(--white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: inherit;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-header .section-subtitle {
            font-size: var(--font-base);
            color: var(--gray-600);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-subtitle {
            color: #bbb;
        }

        .section-label {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }

        .section-dark .section-label {
            background: rgba(255, 102, 0, 0.2);
            color: var(--primary);
        }

        /* Stats Grid */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--gray-200);
        }

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

        .stat-card .stat-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: var(--font-sm);
            color: var(--gray-600);
            font-weight: 500;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-slow);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--gray-200);
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
            margin-bottom: 18px;
        }

        .feature-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .feature-card p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
        }

        /* Scenario Section */
        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .scenario-item {
            display: flex;
            gap: 32px;
            align-items: center;
            background: var(--white);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--gray-200);
        }

        .scenario-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
        }

        .scenario-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .scenario-item .scenario-img {
            flex: 0 0 260px;
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .scenario-item .scenario-img img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            transition: transform var(--transition-slow);
        }

        .scenario-item:hover .scenario-img img {
            transform: scale(1.04);
        }

        .scenario-item .scenario-content {
            flex: 1;
        }

        .scenario-item .scenario-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .scenario-item .scenario-content p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
            margin-bottom: 12px;
        }

        .scenario-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
        }

        /* Hot Topics */
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .topic-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--gray-200);
            display: flex;
            gap: 18px;
            cursor: pointer;
        }

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

        .topic-card .topic-rank {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
        }

        .topic-card:nth-child(2) .topic-rank {
            background: var(--accent-blue);
        }

        .topic-card:nth-child(3) .topic-rank {
            background: #E67E22;
        }

        .topic-card:nth-child(4) .topic-rank {
            background: var(--gray-500);
        }

        .topic-card .topic-info h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .topic-card .topic-info p {
            font-size: var(--font-xs);
            color: var(--gray-500);
            line-height: 1.5;
        }

        .topic-card .topic-info .topic-meta {
            display: flex;
            gap: 14px;
            margin-top: 8px;
            font-size: var(--font-xs);
            color: var(--gray-500);
        }

        .topic-card .topic-info .topic-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* Process Steps */
        .steps-container {
            display: flex;
            gap: 0;
            align-items: flex-start;
            position: relative;
        }

        .step-item {
            flex: 1;
            text-align: center;
            position: relative;
            padding: 0 16px;
        }

        .step-item .step-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.3rem;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            box-shadow: 0 4px 16px rgba(255, 102, 0, 0.3);
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            top: 28px;
            left: calc(50% + 28px);
            width: calc(100% - 56px);
            height: 2px;
            background: var(--gray-300);
            z-index: 1;
        }

        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--dark);
        }

        .step-item p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--gray-200);
            transition: all var(--transition-normal);
            position: relative;
        }

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

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--primary-light);
            position: absolute;
            top: 16px;
            right: 20px;
            opacity: 0.6;
        }

        .testimonial-card p {
            font-size: var(--font-sm);
            color: var(--gray-700);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

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

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: var(--font-sm);
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: var(--font-sm);
            color: var(--dark);
        }

        .testimonial-card .author-role {
            font-size: var(--font-xs);
            color: var(--gray-500);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .faq-item {
            border-bottom: 1px solid var(--gray-200);
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 20px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            text-align: left;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-normal);
            color: var(--gray-600);
        }

        .faq-item.active .faq-question .faq-icon {
            background: var(--primary);
            color: var(--white);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 20px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 102, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
        }

        .cta-section h2 {
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .cta-section p {
            color: #ccc;
            font-size: var(--font-base);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn {
            font-size: 1.1rem;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 48px 0 0;
        }

        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #aaa;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            text-align: center;
            font-size: var(--font-xs);
            color: #888;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
            align-items: center;
        }

        .footer-bottom .sep {
            color: #555;
            margin: 0 4px;
        }

        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-inner {
                flex-direction: column;
                gap: 32px;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .scenario-item,
            .scenario-item:nth-child(even) {
                flex-direction: column;
            }
            .scenario-item .scenario-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .topics-grid {
                grid-template-columns: 1fr;
            }
            .steps-container {
                flex-wrap: wrap;
                gap: 24px;
            }
            .step-item {
                flex: 0 0 calc(50% - 12px);
            }
            .step-item:not(:last-child)::after {
                display: none;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-buttons {
                flex-direction: column;
            }
            .hero-buttons .btn {
                width: 100%;
            }
            .hero-group-count {
                flex-direction: column;
                text-align: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-visual {
                max-width: 100%;
            }
            .steps-container {
                flex-direction: column;
            }
            .step-item {
                flex: 1 1 100%;
            }
            .topic-card {
                flex-direction: column;
                text-align: center;
            }
            .topic-card .topic-rank {
                margin: 0 auto;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .btn {
                padding: 12px 20px;
                font-size: var(--font-sm);
            }
            .hero-group-count .count-number {
                font-size: 1.5rem;
            }
            .stat-card .stat-number {
                font-size: 1.8rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: #ccc;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }

        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 999;
            padding: 20px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            color: #ccc;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 500;
            transition: all var(--transition-fast);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
        }

        .mobile-menu .nav-chip {
            margin: 8px 0;
            align-self: flex-start;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--gray-50);
            border-bottom: 1px solid var(--gray-200);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--gray-500);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--gray-600);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--gray-300);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* Hero Section */
        .category-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.75) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            color: var(--white);
        }

        .category-hero .container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-text h1 span {
            color: var(--primary);
        }

        .hero-text .hero-desc {
            font-size: 1.1rem;
            color: #ddd;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-stats-mini {
            display: flex;
            gap: 24px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }

        .hero-stats-mini .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            min-width: 90px;
        }

        .hero-stats-mini .stat-num {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            display: block;
            line-height: 1;
        }

        .hero-stats-mini .stat-label {
            font-size: var(--font-xs);
            color: #bbb;
            margin-top: 4px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: var(--font-base);
            transition: all var(--transition-normal);
            border: 2px solid var(--primary);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            padding: 14px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: var(--font-base);
            transition: all var(--transition-normal);
            border: 2px solid rgba(255, 255, 255, 0.55);
            white-space: nowrap;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--white);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-data-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            backdrop-filter: blur(8px);
            width: 100%;
            max-width: 420px;
        }

        .hero-data-card .rank-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: #ddd;
            font-size: var(--font-sm);
        }

        .hero-data-card .rank-row:last-child {
            border-bottom: none;
        }

        .hero-data-card .rank-pos {
            font-weight: 700;
            font-size: 1.1rem;
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .hero-data-card .rank-pos.top {
            color: #FFD700;
        }

        .hero-data-card .rank-name {
            flex: 1;
            padding: 0 12px;
            font-weight: 500;
        }

        .hero-data-card .rank-val {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.05rem;
            flex-shrink: 0;
        }

        .hero-data-card .card-title-sm {
            font-size: var(--font-sm);
            color: #aaa;
            text-align: center;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--gray-50);
        }

        .section-dark {
            background: var(--dark);
            color: var(--white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }

        .section-header .section-subtitle {
            color: var(--gray-500);
            font-size: var(--font-base);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-dark .section-header h2 {
            color: var(--white);
        }

        .section-dark .section-header .section-subtitle {
            color: #bbb;
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            text-align: center;
        }

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

        .feature-card .fc-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin: 0 auto 16px;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .feature-card p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* Data Table */
        .data-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--white);
        }

        .data-table {
            width: 100%;
            border-collapse: collapse;
            font-size: var(--font-sm);
            min-width: 700px;
        }

        .data-table thead th {
            background: var(--dark);
            color: var(--white);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: var(--font-xs);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .data-table tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--gray-200);
            color: var(--dark);
        }

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

        .data-table tbody tr:hover {
            background: var(--primary-light);
        }

        .data-table .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: var(--font-xs);
            background: var(--gray-100);
            color: var(--gray-700);
        }

        .data-table .rank-badge.gold {
            background: #FFD700;
            color: #5C3D00;
        }

        .data-table .rank-badge.silver {
            background: #C0C0C0;
            color: #333;
        }

        .data-table .rank-badge.bronze {
            background: #CD7F32;
            color: #fff;
        }

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

        /* Dual Column */
        .dual-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .dual-col.reverse {
            direction: rtl;
        }

        .dual-col.reverse>* {
            direction: ltr;
        }

        .dual-col .col-text h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .dual-col .col-text p {
            color: var(--gray-600);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .dual-col .col-img {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .dual-col .col-img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .info-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }

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

        .info-card .card-img {
            height: 200px;
            overflow: hidden;
        }

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

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

        .info-card .card-body {
            padding: 20px;
        }

        .info-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .info-card .card-body p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.6;
        }

        .info-card .card-body .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            margin-bottom: 10px;
        }

        /* Tabs */
        .tabs-wrap {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 32px;
            justify-content: center;
        }

        .tab-btn {
            padding: 10px 22px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: 600;
            background: var(--gray-100);
            color: var(--gray-600);
            transition: all var(--transition-fast);
            cursor: pointer;
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .tab-btn:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .tab-btn.active {
            background: var(--primary);
            color: var(--white);
            border-color: var(--primary);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--gray-200);
        }

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

        .faq-question {
            width: 100%;
            background: none;
            padding: 20px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            text-align: left;
            cursor: pointer;
            transition: color var(--transition-fast);
            gap: 16px;
        }

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

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-normal);
        }

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

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

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

        .faq-answer p {
            color: var(--gray-600);
            line-height: 1.7;
            font-size: var(--font-sm);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            color: var(--white);
            text-align: center;
            padding: 60px 0;
        }

        .cta-section h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: #ccc;
            margin-bottom: 28px;
            font-size: 1.05rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 16px 36px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 48px 0 0;
        }

        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            color: #aaa;
            font-size: 0.8rem;
            line-height: 1.7;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #aaa;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 36px;
            text-align: center;
            font-size: var(--font-xs);
            color: #888;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
            gap: 6px;
            row-gap: 4px;
        }

        .footer-bottom .sep {
            color: #555;
            margin: 0 4px;
        }

        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-hero .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-data-card {
                max-width: 100%;
            }
            .dual-col {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .dual-col.reverse {
                direction: ltr;
            }
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
            }
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            :root {
                --section-gap: 50px;
            }
        }

        @media (max-width: 768px) {
            .features-grid {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .category-hero {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-stats-mini {
                gap: 10px;
            }
            .hero-stats-mini .stat-item {
                padding: 12px 14px;
                min-width: 70px;
            }
            .hero-stats-mini .stat-num {
                font-size: 1.4rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn-primary,
            .hero-cta-group .btn-outline-light {
                text-align: center;
                justify-content: center;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .footer-bottom .sep {
                display: none;
            }
            .tabs-wrap {
                gap: 6px;
            }
            .tab-btn {
                padding: 8px 14px;
                font-size: var(--font-xs);
            }
            :root {
                --section-gap: 40px;
                --font-xl: 1.8rem;
                --font-lg: 1.5rem;
                --font-md: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-data-card {
                padding: 20px 16px;
            }
            .hero-data-card .rank-row {
                font-size: var(--font-xs);
                padding: 8px 0;
            }
            .hero-stats-mini {
                flex-wrap: wrap;
                gap: 8px;
            }
            .hero-stats-mini .stat-item {
                flex: 1 1 40%;
                min-width: 60px;
                padding: 10px 8px;
            }
            .data-table {
                font-size: var(--font-xs);
            }
            .data-table thead th,
            .data-table tbody td {
                padding: 10px 8px;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: #ccc;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 999;
            padding: 20px;
            overflow-y: auto;
            flex-direction: column;
            gap: 8px;
        }

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

        .mobile-menu a {
            display: block;
            color: #ccc;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 500;
            transition: all var(--transition-fast);
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
        }

        .mobile-menu .nav-chip {
            margin: 8px 0;
            align-self: flex-start;
            font-size: var(--font-sm);
            padding: 8px 16px;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--gray-50);
            border-bottom: 1px solid var(--gray-200);
            padding: 14px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--gray-600);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--gray-500);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .sep {
            color: var(--gray-400);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #1a1a1a 0%, #2a1a0a 40%, #1a1a1a 100%);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 26, 26, 0.7) 0%, rgba(26, 26, 26, 0.85) 60%, rgba(26, 26, 26, 0.95) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 48px;
            flex-wrap: wrap;
            padding: 60px 0;
        }

        .hero-text {
            flex: 1 1 420px;
            min-width: 300px;
        }

        .hero-flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #ff1a1a;
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            animation: flashBadgePulse 1.8s ease-in-out infinite;
        }

        @keyframes flashBadgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 26, 26, 0.6);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(255, 26, 26, 0);
            }
        }

        .hero-flash-badge .flash-icon {
            font-size: 1rem;
            animation: flashIcon 0.7s ease-in-out infinite;
        }
        @keyframes flashIcon {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.3);
            }
        }

        .hero-countdown {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: var(--font-sm);
            color: #ffcccc;
            margin-bottom: 16px;
            font-weight: 500;
        }

        .hero-countdown .count-num {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: var(--font-base);
            min-width: 36px;
            text-align: center;
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }

        .hero-title span {
            color: var(--primary);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: #ccc;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 600;
            letter-spacing: 0.4px;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(255, 102, 0, 0.35);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 22px rgba(255, 102, 0, 0.5);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 102, 0, 0.3);
        }

        .btn-outline-light {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .hero-card-spotlight {
            flex: 0 0 380px;
            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: 28px;
            min-width: 300px;
            position: relative;
        }

        .hero-card-spotlight .spotlight-tag {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 700;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .hero-card-spotlight .spotlight-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
        }

        .hero-card-spotlight h3 {
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .hero-card-spotlight p {
            color: #bbb;
            font-size: var(--font-sm);
            line-height: 1.6;
            margin-bottom: 14px;
        }
        .hero-card-spotlight .spotlight-btn {
            display: inline-block;
            background: var(--white);
            color: var(--dark);
            padding: 10px 22px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: var(--font-sm);
            transition: all var(--transition-normal);
        }
        .hero-card-spotlight .spotlight-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .section-header p {
            color: var(--gray-600);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-header.left-align {
            text-align: left;
            margin-bottom: 36px;
        }
        .section-header.left-align p {
            margin: 0;
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .cards-grid.two-col {
            grid-template-columns: repeat(2, 1fr);
        }

        .card {
            background: var(--white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            border: 1px solid var(--gray-200);
            display: flex;
            flex-direction: column;
        }

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

        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

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

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-body p {
            color: var(--gray-600);
            font-size: var(--font-sm);
            line-height: 1.65;
            margin-bottom: 14px;
            flex: 1;
        }

        .card-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.3px;
            align-self: flex-start;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            color: var(--primary);
            font-weight: 600;
            font-size: var(--font-sm);
            margin-top: auto;
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }
        .card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        /* Stat Row */
        .stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            justify-content: center;
        }

        .stat-item {
            flex: 1 1 180px;
            min-width: 140px;
            text-align: center;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            transition: all var(--transition-normal);
        }

        .stat-item:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: var(--font-sm);
            color: var(--gray-600);
            font-weight: 500;
        }

        /* Feature Row */
        .feature-row {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
        }

        .feature-row .feature-text {
            flex: 1 1 380px;
            min-width: 300px;
        }
        .feature-row .feature-text h3 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--dark);
        }
        .feature-row .feature-text p {
            color: var(--gray-600);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .feature-row .feature-text ul {
            list-style: none;
            padding: 0;
        }
        .feature-row .feature-text ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--gray-200);
            color: var(--gray-700);
            font-size: var(--font-sm);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }
        .feature-row .feature-text ul li i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }
        .feature-row .feature-img {
            flex: 1 1 400px;
            min-width: 300px;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-row .feature-img img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* Timeline */
        .timeline-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        .timeline-chip {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: var(--font-sm);
            font-weight: 600;
            letter-spacing: 0.3px;
            transition: all var(--transition-normal);
            border: 2px solid var(--gray-200);
            background: var(--white);
            color: var(--gray-700);
            cursor: default;
        }

        .timeline-chip.hot {
            border-color: #ff1a1a;
            background: #fff5f5;
            color: #cc0000;
        }
        .timeline-chip.active-chip {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary-dark);
        }
        .timeline-chip.upcoming {
            border-color: var(--accent-blue);
            background: var(--accent-blue-light);
            color: var(--accent-blue);
        }

        /* Highlight List */
        .highlight-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
            gap: 20px;
        }

        .highlight-item {
            display: flex;
            gap: 16px;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 18px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            transition: all var(--transition-normal);
            align-items: flex-start;
        }

        .highlight-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        .highlight-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
        }

        .highlight-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 4px;
        }
        .highlight-info p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.5;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1a0f05 100%);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            z-index: 0;
        }

        .cta-section>* {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: var(--font-lg);
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .cta-section p {
            color: #ccc;
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

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

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: var(--font-base);
            transition: all var(--transition-normal);
        }

        .cta-form input::placeholder {
            color: #aaa;
        }
        .cta-form input:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.15);
        }

        /* FAQ */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-normal);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--gray-200);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--dark);
            transition: color var(--transition-fast);
        }

        .faq-question i {
            font-size: 0.9rem;
            color: var(--gray-400);
            transition: transform var(--transition-normal);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            color: var(--gray-600);
            font-size: var(--font-sm);
            line-height: 1.7;
        }

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

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 48px 0 0;
            margin-top: var(--section-gap);
        }

        .footer-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px 32px;
            border-bottom: 1px solid var(--dark-3);
        }

        .footer-col {
            flex: 1 1 200px;
            min-width: 160px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #999;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-col p {
            color: #aaa;
            font-size: 0.8rem;
            line-height: 1.7;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px;
            font-size: var(--font-xs);
            color: #777;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .footer-bottom .sep {
            color: #555;
            margin: 0 4px;
        }
        .footer-bottom a {
            color: #999;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Section bg alternates */
        .bg-gray {
            background: var(--gray-50);
        }
        .bg-dark-section {
            background: var(--dark);
            color: #fff;
        }
        .bg-dark-section .section-header h2 {
            color: #fff;
        }
        .bg-dark-section .section-header p {
            color: #bbb;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                flex-direction: column;
                gap: 32px;
            }
            .hero-card-spotlight {
                flex: 1 1 auto;
                width: 100%;
                max-width: 480px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .cards-grid.two-col {
                grid-template-columns: 1fr;
            }
            .feature-row {
                flex-direction: column;
            }
            .feature-row .feature-img {
                order: -1;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .cta-section {
                padding: 40px 24px;
            }
            .stat-num {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 420px;
            }
            .hero-card-spotlight {
                max-width: 100%;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .highlight-list {
                grid-template-columns: 1fr;
            }
            .stat-row {
                gap: 12px;
            }
            .stat-item {
                flex: 1 1 120px;
                min-width: 120px;
                padding: 20px 14px;
            }
            .stat-num {
                font-size: 1.6rem;
            }
            .footer-inner {
                gap: 20px;
            }
            .footer-col {
                flex: 1 1 140px;
                min-width: 130px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
            }
            .footer-bottom .sep {
                display: none;
            }
            .btn {
                padding: 11px 20px;
                font-size: var(--font-sm);
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .timeline-strip {
                gap: 10px;
            }
            .timeline-chip {
                padding: 8px 14px;
                font-size: var(--font-xs);
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-section {
                min-height: 360px;
            }
            .hero-card-spotlight {
                padding: 20px;
            }
            .hero-card-spotlight .spotlight-img {
                height: 140px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                width: 100%;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .hero-cta-group .btn {
                width: 100%;
                justify-content: center;
            }
            .stat-item {
                flex: 1 1 100%;
                min-width: 100%;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        input {
            font-family: inherit;
            outline: none;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            gap: 20px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            color: #ccc;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }
        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }
        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 999;
            flex-direction: column;
            padding: 20px;
            gap: 4px;
            overflow-y: auto;
        }
        .mobile-menu.active {
            display: flex;
        }
        .mobile-menu a {
            color: #ccc;
            padding: 14px 16px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 500;
            transition: all var(--transition-fast);
            display: block;
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
        }
        .mobile-menu .nav-chip {
            align-self: flex-start;
            margin: 8px 0 0 0;
            font-size: var(--font-sm);
            padding: 8px 16px;
        }
        .breadcrumb-wrap {
            background: var(--gray-50);
            border-bottom: 1px solid var(--gray-200);
            padding: 12px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--gray-600);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--accent-blue);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: var(--primary);
            text-decoration: underline;
        }
        .breadcrumb .sep {
            color: var(--gray-400);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--gray-700);
            font-weight: 600;
        }
        .hero-section {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.75) 50%, rgba(13, 71, 161, 0.7) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 60px 0;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 102, 0, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(13, 71, 161, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }
        .hero-text {
            flex: 1 1 400px;
        }
        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-text h1 span {
            color: var(--primary);
        }
        .hero-text .hero-subtitle {
            font-size: 1.1rem;
            color: #ccc;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-search {
            display: flex;
            gap: 0;
            max-width: 500px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .hero-search input {
            flex: 1;
            padding: 16px 20px;
            font-size: var(--font-base);
            border: 2px solid transparent;
            border-radius: var(--radius-lg) 0 0 var(--radius-lg);
            background: var(--white);
            color: var(--dark);
            transition: all var(--transition-normal);
        }
        .hero-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(255, 102, 0, 0.1);
        }
        .hero-search button {
            padding: 16px 28px;
            background: var(--primary);
            color: var(--white);
            font-weight: 700;
            font-size: var(--font-base);
            border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .hero-search button:hover {
            background: var(--primary-dark);
        }
        .hero-stats {
            flex: 0 0 280px;
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .hero-stats .stat-item {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .hero-stats .stat-item:last-child {
            border-bottom: none;
        }
        .hero-stats .stat-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-md);
            background: rgba(255, 102, 0, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .hero-stats .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--white);
            line-height: 1;
        }
        .hero-stats .stat-label {
            font-size: var(--font-xs);
            color: #aaa;
        }
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--gray-50);
        }
        .section-dark {
            background: var(--dark);
            color: var(--white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header h2 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: inherit;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .section-header .section-subtitle {
            font-size: var(--font-base);
            color: var(--gray-600);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark .section-header .section-subtitle {
            color: #aaa;
        }
        .section-header.left {
            text-align: left;
            margin-bottom: 40px;
        }
        .section-header.left .section-subtitle {
            margin: 0;
        }
        .team-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .team-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-slow);
            cursor: pointer;
            border: 1px solid var(--gray-200);
            display: flex;
            flex-direction: column;
        }
        .team-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
        }
        .team-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            background: var(--gray-200);
        }
        .team-card .card-body {
            padding: 18px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .team-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--dark);
        }
        .team-card .card-body .team-league {
            font-size: var(--font-xs);
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            display: inline-block;
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }
        .team-card .card-body .team-desc {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.5;
            flex: 1;
        }
        .team-card .card-body .team-meta {
            display: flex;
            gap: 16px;
            font-size: var(--font-xs);
            color: var(--gray-500);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--gray-100);
        }
        .team-card .card-body .team-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--gray-200);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--primary);
        }
        .feature-card .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-lg);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--primary);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .feature-card p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.6;
        }
        .compare-panel {
            background: var(--white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 32px;
            border: 1px solid var(--gray-200);
        }
        .compare-selectors {
            display: flex;
            gap: 20px;
            align-items: center;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .compare-selectors select {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 2px solid var(--gray-300);
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-family: inherit;
            background: var(--white);
            cursor: pointer;
            transition: border-color var(--transition-fast);
            color: var(--dark);
        }
        .compare-selectors select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 102, 0, 0.08);
        }
        .compare-vs {
            font-weight: 700;
            color: var(--primary);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: var(--font-sm);
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 16px;
            text-align: center;
            border-bottom: 1px solid var(--gray-200);
        }
        .compare-table th {
            background: var(--gray-100);
            font-weight: 700;
            color: var(--dark);
            font-size: var(--font-sm);
            white-space: nowrap;
        }
        .compare-table .highlight {
            font-weight: 700;
            color: var(--primary);
        }
        .compare-table tr:hover td {
            background: var(--gray-50);
        }
        .archive-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .archive-item {
            display: flex;
            gap: 20px;
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            transition: all var(--transition-normal);
            align-items: center;
        }
        .archive-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateX(4px);
        }
        .archive-item .archive-img {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--gray-200);
        }
        .archive-item .archive-info {
            flex: 1;
            min-width: 0;
        }
        .archive-item .archive-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--dark);
        }
        .archive-item .archive-info p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .archive-item .archive-tag {
            font-size: var(--font-xs);
            background: var(--accent-blue-light);
            color: var(--accent-blue);
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-weight: 600;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .honor-wall {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }
        .honor-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--gray-200);
            transition: all var(--transition-normal);
        }
        .honor-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .honor-card .honor-icon {
            font-size: 2rem;
            margin-bottom: 8px;
            color: #F5A623;
        }
        .honor-card .honor-count {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1;
        }
        .honor-card .honor-label {
            font-size: var(--font-xs);
            color: var(--gray-600);
            margin-top: 4px;
        }
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%);
            padding: 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 102, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .cta-inner {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: var(--font-xl);
            font-weight: 700;
            color: var(--white);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: var(--font-base);
            color: #bbb;
            margin-bottom: 28px;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: var(--font-base);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
            text-align: center;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 16px rgba(255, 102, 0, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 102, 0, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 102, 0, 0.3);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: var(--font-sm);
            border-radius: var(--radius-sm);
        }
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            padding: 0;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--dark);
            background: none;
            cursor: pointer;
            transition: color var(--transition-fast);
            text-align: left;
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.9rem;
            color: var(--gray-500);
        }
        .faq-question.open .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            font-size: var(--font-base);
            color: var(--gray-600);
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-bottom: 18px;
        }
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 50px 0 0;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 30px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 30px auto 0;
            padding: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: var(--font-xs);
            color: #888;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 6px;
            align-items: center;
        }
        .footer-bottom .sep {
            color: rgba(255, 255, 255, 0.2);
        }
        .footer-bottom a {
            color: #aaa;
            font-size: var(--font-xs);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }
        @media (max-width: 1024px) {
            .team-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .honor-wall {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .hero-stats {
                flex: 0 0 220px;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .team-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
            .honor-wall {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-content {
                flex-direction: column;
                gap: 30px;
            }
            .hero-stats {
                flex: 0 0 auto;
                width: 100%;
            }
            .hero-text h1 {
                font-size: 1.7rem;
            }
            .hero-section {
                min-height: auto;
                padding: 50px 0;
            }
            .compare-selectors {
                flex-direction: column;
                align-items: stretch;
            }
            .compare-vs {
                text-align: center;
            }
            .archive-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .archive-item .archive-img {
                width: 100%;
                height: 120px;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .hero-search {
                flex-direction: column;
            }
            .hero-search input {
                border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            }
            .hero-search button {
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .compare-table {
                font-size: var(--font-xs);
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 8px;
            }
        }
        @media (max-width: 520px) {
            .team-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .team-card .card-img {
                height: 120px;
            }
            .team-card .card-body {
                padding: 12px 10px;
            }
            .team-card .card-body h3 {
                font-size: 0.9rem;
            }
            .honor-wall {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats .stat-num {
                font-size: 1.2rem;
            }
            .compare-panel {
                padding: 16px;
            }
            .btn {
                padding: 12px 24px;
                font-size: var(--font-sm);
            }
            .footer-bottom {
                flex-direction: column;
                gap: 4px;
                text-align: center;
            }
            .footer-bottom .sep {
                display: none;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            gap: 20px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
        }
        .main-nav a {
            color: #ccc;
            padding: 8px 12px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }
        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }
        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }
        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }
        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
            transition: color var(--transition-fast);
        }
        .hamburger:hover {
            color: var(--primary);
        }
        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark-2);
            z-index: 999;
            padding: 20px;
            flex-direction: column;
            gap: 6px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform var(--transition-slow);
        }
        .mobile-menu.open {
            transform: translateX(0);
        }
        .mobile-menu a {
            display: block;
            color: #ccc;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 500;
            transition: all var(--transition-fast);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.15);
        }
        .mobile-menu .nav-chip {
            display: inline-flex;
            margin: 12px 0;
            align-self: flex-start;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--gray-50);
            border-bottom: 1px solid var(--gray-200);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: var(--font-sm);
            color: var(--gray-500);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--gray-600);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            color: var(--gray-400);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.7) 60%, rgba(13, 71, 161, 0.55) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            color: var(--white);
        }
        .hero-section .container {
            display: flex;
            flex-direction: column;
            gap: 20px;
            position: relative;
            z-index: 2;
        }
        .hero-section h1 {
            font-size: var(--font-xl);
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.5px;
            max-width: 700px;
        }
        .hero-section h1 span {
            color: var(--primary);
        }
        .hero-section .hero-subtitle {
            font-size: 1.1rem;
            color: #ddd;
            max-width: 600px;
            line-height: 1.7;
        }
        .hero-section .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: var(--font-base);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(255, 102, 0, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 20px rgba(255, 102, 0, 0.45);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: scale(0.97);
        }
        .btn-outline {
            background: transparent;
            color: var(--white);
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--white);
            transform: translateY(-1px);
        }
        .btn-outline:active {
            transform: scale(0.97);
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--gray-50);
        }
        .section-dark {
            background: var(--dark);
            color: var(--white);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.4px;
        }
        .section-header p {
            color: var(--gray-500);
            font-size: var(--font-base);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .section-dark .section-header p {
            color: #bbb;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary-dark);
            padding: 5px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .section-dark .section-tag {
            background: rgba(255, 102, 0, 0.2);
            color: var(--primary);
        }

        /* Cards Grid */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 14px;
            border: 1px solid transparent;
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--gray-200);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }
        .card-icon.orange {
            background: var(--primary-light);
            color: var(--primary);
        }
        .card-icon.blue {
            background: var(--accent-blue-light);
            color: var(--accent-blue);
        }
        .card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            line-height: 1.4;
        }
        .card p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
            flex: 1;
        }
        .card .card-link {
            font-size: var(--font-sm);
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .card .card-link:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        /* Featured Card Row */
        .featured-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .featured-row.reverse {
            direction: rtl;
        }
        .featured-row.reverse>* {
            direction: ltr;
        }
        .featured-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .featured-content h3 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .featured-content p {
            color: var(--gray-600);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .featured-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .featured-stat {
            text-align: center;
            min-width: 70px;
        }
        .featured-stat .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .featured-stat .stat-label {
            font-size: var(--font-xs);
            color: var(--gray-500);
            margin-top: 4px;
        }

        /* Timeline List */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--gray-200);
            transition: background var(--transition-fast);
        }
        .timeline-item:hover {
            background: var(--gray-50);
            margin: 0 -20px;
            padding-left: 20px;
            padding-right: 20px;
            border-radius: var(--radius-md);
        }
        .timeline-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
            margin-top: 6px;
            box-shadow: 0 0 0 4px var(--primary-light);
        }
        .timeline-dot.blue {
            background: var(--accent-blue);
            box-shadow: 0 0 0 4px var(--accent-blue-light);
        }
        .timeline-content h4 {
            font-weight: 700;
            font-size: var(--font-base);
            margin-bottom: 4px;
        }
        .timeline-content .time-label {
            font-size: var(--font-xs);
            color: var(--gray-500);
            margin-bottom: 6px;
        }
        .timeline-content p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.6;
        }

        /* FAQ Accordion */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .faq-item {
            border-bottom: 1px solid var(--gray-200);
            overflow: hidden;
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 8px;
            cursor: pointer;
            font-weight: 600;
            font-size: var(--font-base);
            transition: color var(--transition-fast);
            gap: 12px;
            background: none;
            width: 100%;
            text-align: left;
            color: var(--dark);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            color: var(--gray-400);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 8px;
            color: var(--gray-600);
            font-size: var(--font-sm);
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 8px 18px 8px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #e85d00 60%, #d14800 100%);
            color: var(--white);
            text-align: center;
            padding: 60px 20px;
            border-radius: 0;
        }
        .cta-section h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: var(--font-base);
            opacity: 0.9;
            max-width: 550px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .cta-section .btn {
            background: var(--white);
            color: var(--primary);
            font-weight: 700;
            box-shadow: var(--shadow-lg);
            padding: 14px 36px;
            font-size: 1.05rem;
        }
        .cta-section .btn:hover {
            background: #fff;
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }
        .cta-section .btn:active {
            transform: scale(0.97);
        }

        /* Badge / Tag */
        .badge {
            display: inline-block;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-hot {
            background: #ffe0e0;
            color: #c0392b;
        }
        .badge-new {
            background: #e0f7e9;
            color: #1a7a3a;
        }
        .badge-info {
            background: var(--accent-blue-light);
            color: var(--accent-blue);
        }

        /* Stats Row */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .stat-card {
            background: var(--white);
            padding: 28px 16px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .stat-card .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: var(--font-sm);
            color: var(--gray-500);
            margin-top: 6px;
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 50px 0 24px;
            font-size: var(--font-sm);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            margin-bottom: 36px;
        }
        .footer-col h4 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.4px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: #aaa;
            transition: color var(--transition-fast);
            font-size: var(--font-sm);
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 16px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            align-items: center;
            font-size: var(--font-xs);
            color: #888;
            justify-content: center;
        }
        .footer-bottom .sep {
            color: #555;
            margin: 0 4px;
        }
        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--primary);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
            .featured-row {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .featured-row.reverse {
                direction: ltr;
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .main-nav a {
                padding: 6px 10px;
                font-size: var(--font-xs);
            }
            .nav-chip {
                font-size: 0.7rem;
                padding: 5px 10px;
            }
            .hero-section {
                min-height: 340px;
                padding: 40px 0;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .mobile-menu {
                display: flex;
            }
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .featured-row {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .hero-section {
                min-height: 300px;
                padding: 32px 0;
            }
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-section .hero-subtitle {
                font-size: 0.95rem;
            }
            .btn {
                padding: 11px 20px;
                font-size: var(--font-sm);
            }
            .section-header h2 {
                font-size: 1.35rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .featured-stats {
                gap: 16px;
            }
            .featured-stat .stat-num {
                font-size: 1.5rem;
            }
            .breadcrumb {
                font-size: var(--font-xs);
            }
            .timeline-item {
                flex-direction: column;
                gap: 8px;
            }
            .timeline-dot {
                display: none;
            }
            .faq-question {
                font-size: var(--font-sm);
                padding: 14px 4px;
            }
            .cta-section {
                padding: 40px 16px;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.3rem;
            }
            .hero-section .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .card {
                padding: 20px 16px;
            }
            .section-header h2 {
                font-size: 1.2rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
            .footer-bottom .sep {
                display: none;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #FF6600;
            --primary-dark: #E55A00;
            --primary-light: #FFF0E5;
            --dark: #1A1A1A;
            --dark-2: #2A2A2A;
            --dark-3: #3A3A3A;
            --accent-blue: #0D47A1;
            --accent-blue-light: #E8F0FB;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E8E8E8;
            --gray-300: #D5D5D5;
            --gray-400: #B0B0B0;
            --gray-500: #888888;
            --gray-600: #666666;
            --gray-700: #444444;
            --white: #FFFFFF;
            --font-xl: 2.25rem;
            --font-lg: 1.875rem;
            --font-md: 1.5rem;
            --font-base: 1rem;
            --font-sm: 0.875rem;
            --font-xs: 0.75rem;
            --radius-sm: 4px;
            --radius-md: 6px;
            --radius-lg: 8px;
            --radius-xl: 12px;
            --radius-full: 50px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 8px 32px rgba(0, 0, 0, 0.16);
            --shadow-card-hover: 0 6px 24px rgba(0, 0, 0, 0.14);
            --max-width: 1200px;
            --header-height: 64px;
            --section-gap: 80px;
            --section-gap-mobile: 40px;
            --transition-fast: 0.15s ease;
            --transition-normal: 0.2s ease;
            --transition-slow: 0.3s ease;
        }

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

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

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            font-size: var(--font-base);
            line-height: 1.7;
            color: var(--dark);
            background-color: var(--white);
            min-width: 320px;
            overflow-x: hidden;
            padding-top: var(--header-height);
        }

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

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

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

        input {
            font-family: inherit;
            outline: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--dark);
            height: var(--header-height);
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
            transition: background var(--transition-normal);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .main-nav a {
            color: #ccc;
            padding: 8px 14px;
            border-radius: var(--radius-md);
            font-size: var(--font-sm);
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }

        .main-nav a:hover,
        .main-nav a:focus {
            color: var(--white);
            background: rgba(255, 255, 255, 0.08);
        }

        .main-nav a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: var(--white);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            white-space: nowrap;
            margin-left: 4px;
            animation: chipPulse 2.5s ease-in-out infinite;
        }

        .nav-chip .chip-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #fff;
            animation: dotBlink 1s ease-in-out infinite;
        }

        @keyframes chipPulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 102, 0, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(255, 102, 0, 0);
            }
        }

        @keyframes dotBlink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--white);
            font-size: 1.5rem;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--dark);
            z-index: 999;
            padding: 20px;
            flex-direction: column;
            gap: 4px;
            overflow-y: auto;
        }

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

        .mobile-menu a {
            color: #ccc;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 500;
            transition: all var(--transition-fast);
            display: block;
        }

        .mobile-menu a:hover,
        .mobile-menu a.active {
            color: var(--white);
            background: rgba(255, 102, 0, 0.2);
        }

        .mobile-menu .nav-chip {
            margin: 8px 0;
            display: inline-flex;
            align-self: flex-start;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--gray-50);
            border-bottom: 1px solid var(--gray-200);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: var(--font-sm);
            color: var(--gray-600);
        }

        .breadcrumb a {
            color: var(--gray-600);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: var(--primary);
        }

        .breadcrumb .separator {
            color: var(--gray-400);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--dark);
            font-weight: 600;
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(26, 26, 26, 0.88) 0%, rgba(26, 26, 26, 0.7) 50%, rgba(13, 71, 161, 0.65) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 102, 0, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 50%, rgba(13, 71, 161, 0.12) 0%, transparent 60%);
            animation: heroGlow 8s ease-in-out infinite;
            pointer-events: none;
        }

        @keyframes heroGlow {
            0%,
            100% {
                transform: translate(0, 0);
            }
            33% {
                transform: translate(2%, -1%);
            }
            66% {
                transform: translate(-1%, 2%);
            }
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 60px 20px;
        }

        .hero-text {
            flex: 1;
            max-width: 600px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 102, 0, 0.2);
            border: 1px solid rgba(255, 102, 0, 0.4);
            color: #FFB380;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: var(--font-xs);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            animation: badgePulse 3s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                border-color: rgba(255, 102, 0, 0.4);
            }
            50% {
                border-color: rgba(255, 102, 0, 0.8);
            }
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #ff3b3b;
            animation: liveDotBlink 0.8s ease-in-out infinite;
        }

        @keyframes liveDotBlink {
            0%,
            100% {
                opacity: 1;
                box-shadow: 0 0 6px #ff3b3b;
            }
            50% {
                opacity: 0.35;
                box-shadow: 0 0 2px #ff3b3b;
            }
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--white);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

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

        .hero-text .hero-subtitle {
            font-size: 1.15rem;
            color: #ccc;
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: var(--white);
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 600;
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 102, 0, 0.35);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(255, 102, 0, 0.25);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--white);
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-size: var(--font-base);
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-normal);
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: var(--white);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .hero-visual {
            flex: 0 0 420px;
            position: relative;
        }

        .hero-card-stack {
            position: relative;
            width: 100%;
            aspect-ratio: 16/10;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            border: 2px solid rgba(255, 255, 255, 0.15);
        }

        .hero-card-stack img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .hero-card-stack .overlay-info {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0, 0, 0, 0.85));
            padding: 24px 20px;
            color: #fff;
        }

        .overlay-info .match-teams {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .overlay-info .match-status {
            font-size: var(--font-xs);
            color: #FFB380;
            font-weight: 600;
        }

        .hero-floating-stat {
            position: absolute;
            top: 15px;
            right: -20px;
            background: var(--white);
            color: var(--dark);
            padding: 14px 18px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            font-weight: 700;
            font-size: var(--font-sm);
            z-index: 3;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .hero-floating-stat .stat-num {
            font-size: 1.5rem;
            color: var(--primary);
            font-weight: 800;
        }

        /* Section Common */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: var(--gray-50);
        }

        .section-dark {
            background: var(--dark);
            color: var(--white);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: var(--font-lg);
            font-weight: 700;
            color: inherit;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        .section-header .section-subtitle {
            font-size: var(--font-base);
            color: var(--gray-500);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-dark .section-subtitle {
            color: #aaa;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 0;
            background: var(--primary);
            transition: height var(--transition-slow);
            border-radius: 0 0 var(--radius-sm) 0;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--gray-200);
        }

        .feature-card:hover::before {
            height: 60px;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-lg);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.4rem;
            color: var(--primary);
            transition: all var(--transition-normal);
        }

        .feature-card:hover .feature-icon {
            background: var(--primary);
            color: var(--white);
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

        .feature-card p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
            margin: 0;
        }

        /* Live Matches */
        .live-matches-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding: 8px 0 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--gray-300) transparent;
        }

        .live-matches-scroll::-webkit-scrollbar {
            height: 6px;
        }

        .live-matches-scroll::-webkit-scrollbar-track {
            background: transparent;
            border-radius: 3px;
        }

        .live-matches-scroll::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 3px;
        }

        .match-card {
            flex: 0 0 300px;
            scroll-snap-align: start;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
            border: 1px solid var(--gray-200);
            cursor: pointer;
        }

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

        .match-card-thumb {
            position: relative;
            width: 100%;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

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

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

        .match-card-thumb .live-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: #ff3b3b;
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            animation: liveDotBlink 1s ease-in-out infinite;
        }

        .match-card-thumb .upcoming-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: var(--accent-blue);
            color: #fff;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-size: 0.7rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .match-card-body {
            padding: 16px;
        }

        .match-card-body .match-title {
            font-weight: 700;
            font-size: var(--font-base);
            margin-bottom: 6px;
            color: var(--dark);
        }

        .match-card-body .match-meta {
            font-size: var(--font-xs);
            color: var(--gray-500);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .match-card-body .match-score {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-top: 6px;
        }

        /* Platform Section */
        .platform-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .platform-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
        }

        .platform-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .platform-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .platform-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 16px;
            border-radius: var(--radius-lg);
            background: var(--white);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }

        .platform-item:hover {
            border-color: var(--gray-200);
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }

        .platform-item .pi-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            color: var(--primary);
            font-size: 1.1rem;
        }

        .platform-item .pi-content h4 {
            font-weight: 700;
            font-size: var(--font-base);
            margin-bottom: 3px;
            color: var(--dark);
        }

        .platform-item .pi-content p {
            font-size: var(--font-sm);
            color: var(--gray-600);
            margin: 0;
            line-height: 1.5;
        }

        /* Stats Strip */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-block {
            text-align: center;
            padding: 28px 16px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }

        .stat-block:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 102, 0, 0.4);
            transform: translateY(-4px);
        }

        .stat-block .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-block .stat-label {
            font-size: var(--font-sm);
            color: #ccc;
            font-weight: 500;
        }

        /* Testimonials */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--gray-200);
            transition: all var(--transition-normal);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            position: absolute;
            top: 8px;
            left: 16px;
            font-size: 3rem;
            color: var(--primary);
            opacity: 0.2;
            font-weight: 700;
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-card .tc-text {
            font-size: var(--font-sm);
            color: var(--gray-700);
            line-height: 1.7;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
            padding-top: 8px;
        }

        .testimonial-card .tc-author {
            font-weight: 700;
            font-size: var(--font-sm);
            color: var(--dark);
        }

        .testimonial-card .tc-role {
            font-size: var(--font-xs);
            color: var(--gray-500);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--gray-200);
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--white);
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            border-color: var(--gray-300);
        }

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

        .faq-question:hover {
            background: var(--gray-50);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--gray-100);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-normal);
            font-size: 0.8rem;
            color: var(--gray-600);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 20px;
            font-size: var(--font-sm);
            color: var(--gray-600);
            line-height: 1.7;
        }

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

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 50%, #1a1a1a 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 102, 0, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 60px 20px;
        }

        .cta-inner h2 {
            font-size: var(--font-xl);
            font-weight: 800;
            color: var(--white);
            margin-bottom: 12px;
        }

        .cta-inner p {
            font-size: var(--font-base);
            color: #ccc;
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }

        .cta-inner .btn-primary {
            font-size: 1.05rem;
            padding: 14px 36px;
            border-radius: var(--radius-full);
        }

        /* Footer */
        .site-footer {
            background: var(--dark);
            color: #ccc;
            padding: 50px 0 0;
        }

        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 30px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: var(--font-base);
            font-weight: 700;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #aaa;
            font-size: var(--font-sm);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            max-width: var(--max-width);
            margin: 30px auto 0;
            padding: 18px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: var(--font-xs);
            color: #888;
            justify-content: center;
        }

        .footer-bottom .sep {
            color: #555;
        }

        .footer-bottom a {
            color: #aaa;
            transition: color var(--transition-fast);
        }

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

        /* Responsive */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-strip {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-inner {
                flex-direction: column;
                text-align: center;
            }
            .hero-text {
                max-width: 100%;
            }
            .hero-text .hero-subtitle {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 480px;
            }
            .hero-floating-stat {
                right: 0;
                top: 10px;
            }
            .hero-section {
                min-height: auto;
                background-attachment: scroll;
            }
            .platform-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .hero-text h1 {
                font-size: 2.2rem;
            }
            .section {
                padding: var(--section-gap-mobile) 0;
            }
        }

        @media (max-width: 768px) {
            .main-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
            .match-card {
                flex: 0 0 260px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-section {
                min-height: auto;
                background-attachment: scroll;
            }
            .hero-inner {
                padding: 40px 20px;
            }
            .hero-visual {
                max-width: 100%;
            }
            .hero-floating-stat {
                right: 5px;
                top: 5px;
                padding: 10px 14px;
                font-size: var(--font-xs);
            }
            .hero-floating-stat .stat-num {
                font-size: 1.2rem;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 4px;
            }
            .platform-grid {
                grid-template-columns: 1fr;
            }
            .btn-primary,
            .btn-outline {
                padding: 10px 20px;
                font-size: var(--font-sm);
            }
            .stat-block .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                text-align: center;
            }
            .stats-strip {
                grid-template-columns: 1fr;
            }
            .match-card {
                flex: 0 0 220px;
            }
            .hero-floating-stat {
                display: none;
            }
            .breadcrumb {
                font-size: var(--font-xs);
            }
        }