/* roulang page: index */
:root {
            --color-primary: #0a1f3b;
            --color-primary-light: #132d52;
            --color-primary-dark: #06142a;
            --color-accent: #d4941a;
            --color-accent-light: #e8a817;
            --color-accent-dark: #b07814;
            --color-red: #c0392b;
            --color-red-light: #e74c3c;
            --color-bg: #f6f7f9;
            --color-white: #ffffff;
            --color-text: #1c1c1e;
            --color-text-secondary: #5e5e64;
            --color-text-weak: #8e8e93;
            --color-border: #e0e0e5;
            --color-border-light: #efeff3;
            --color-success: #27ae60;
            --color-blue-tint: #e8f0f8;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 8px 32px rgba(0,0,0,0.10);
            --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --max-width: 1240px;
            --header-height: 68px;
        }

        *, *::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: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--color-text);
            background: var(--color-bg);
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ul, ol {
            list-style: none;
        }

        h1, h2, h3, h4, h5, h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-primary);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .header-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            font-weight: 900;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            background: var(--color-blue-tint);
            color: var(--color-primary);
        }
        .nav-links a.active {
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-links a.active:hover {
            background: var(--color-primary-light);
            color: #fff;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 2px 8px rgba(212,148,26,0.30);
        }
        .btn-nav-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 4px 16px rgba(212,148,26,0.40);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-nav-secondary {
            background: transparent;
            color: var(--color-primary);
            border: 1.5px solid var(--color-border);
        }
        .btn-nav-secondary:hover {
            border-color: var(--color-primary);
            background: var(--color-blue-tint);
        }

        /* Mobile nav toggle */
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            gap: 5px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1.5px solid var(--color-border);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Hero Section */
        .hero {
            position: relative;
            padding: 100px 0 110px;
            background: var(--color-primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,31,59,0.82) 0%, rgba(10,31,59,0.90) 40%, rgba(6,20,42,0.94) 100%);
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent), var(--color-red), var(--color-accent));
            z-index: 2;
        }
        .hero .container {
            position: relative;
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.10);
            border: 1px solid rgba(255,255,255,0.20);
            border-radius: 50px;
            padding: 6px 20px;
            color: rgba(255,255,255,0.90);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 0.03em;
        }
        .hero-badge .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent-light);
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.5); }
        }
        .hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: #ffffff;
            letter-spacing: -0.03em;
            margin-bottom: 20px;
            line-height: 1.2;
            max-width: 800px;
        }
        .hero h1 .highlight {
            color: var(--color-accent-light);
            position: relative;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: rgba(255,255,255,0.78);
            max-width: 620px;
            margin-bottom: 36px;
            line-height: 1.7;
        }
        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-base);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            border-color: var(--color-accent);
            box-shadow: 0 4px 20px rgba(212,148,26,0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            border-color: var(--color-accent-light);
            box-shadow: 0 6px 28px rgba(212,148,26,0.48);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255,255,255,0.40);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.08);
            border-color: rgba(255,255,255,0.65);
            color: #fff;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 50px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.60);
            margin-top: 4px;
        }
        .hero-stat-divider {
            width: 1px;
            background: rgba(255,255,255,0.18);
            align-self: stretch;
        }

        /* Sections */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header h2 {
            font-size: 2.1rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: rgba(212,148,26,0.08);
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 16px;
        }

        /* Features Grid */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.5rem;
            background: var(--color-blue-tint);
            color: var(--color-primary);
        }
        .feature-card:nth-child(2) .feature-icon {
            background: #fef3e2;
            color: var(--color-accent);
        }
        .feature-card:nth-child(3) .feature-icon {
            background: #fde8e8;
            color: var(--color-red);
        }
        .feature-card:nth-child(4) .feature-icon {
            background: #e6f7ee;
            color: var(--color-success);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }

        /* Category Entrance */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-md);
            text-decoration: none;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-xl);
        }
        .category-card img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .category-card:hover img {
            transform: scale(1.06);
        }
        .category-card-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10,31,59,0.15) 0%, rgba(10,31,59,0.55) 50%, rgba(6,20,42,0.88) 100%);
            z-index: 2;
        }
        .category-card-content {
            position: relative;
            z-index: 3;
            padding: 28px 24px;
            width: 100%;
        }
        .category-card-content h3 {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .category-card-content .cat-count {
            color: rgba(255,255,255,0.75);
            font-size: 0.85rem;
        }
        .category-card-tag {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 10px;
        }

        /* CMS News List */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            display: flex;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
            text-decoration: none;
            color: inherit;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
            color: inherit;
        }
        .news-card-thumb {
            width: 180px;
            min-width: 180px;
            overflow: hidden;
            position: relative;
            background: var(--color-blue-tint);
        }
        .news-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-card-body {
            padding: 20px 22px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            flex: 1;
        }
        .news-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(212,148,26,0.08);
            padding: 3px 10px;
            border-radius: 50px;
            margin-bottom: 10px;
            width: fit-content;
        }
        .news-card-body h3 {
            font-size: 1.02rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .news-card-body .news-summary {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .news-card-meta {
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 48px 20px;
            color: var(--color-text-weak);
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--color-border);
            font-size: 1rem;
        }

        /* Data Stats Section */
        .stats-section {
            background: var(--color-primary);
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
        }
        .stats-section .container {
            position: relative;
            z-index: 2;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }
        .stat-item {
            padding: 20px;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-accent-light);
            letter-spacing: -0.03em;
        }
        .stat-number .unit {
            font-size: 1.4rem;
        }
        .stat-label {
            font-size: 0.95rem;
            color: rgba(255,255,255,0.70);
            margin-top: 6px;
        }

        /* Highlight Section */
        .highlight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .highlight-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .highlight-image img {
            width: 100%;
            height: auto;
        }
        .highlight-content h2 {
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--color-primary);
        }
        .highlight-content p {
            font-size: 1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .highlight-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--color-text);
        }
        .highlight-list li .check-icon {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: #e6f7ee;
            color: var(--color-success);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            padding: 22px 26px;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-md);
        }
        .faq-item h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-item h3 .faq-arrow {
            font-size: 1.2rem;
            color: var(--color-text-weak);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item.open h3 .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding-top var(--transition-fast);
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 14px;
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 50%, var(--color-primary-dark) 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255,255,255,0.72);
            max-width: 520px;
            margin: 0 auto 30px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.08rem;
            border-radius: 50px;
        }

        /* Footer */
        .site-footer {
            background: #070e1a;
            color: rgba(255,255,255,0.65);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.50);
            max-width: 300px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.50);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.35);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .highlight-image {
                max-width: 500px;
                margin: 0 auto;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-list {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--color-white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 2px solid var(--color-border);
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .nav-cta .btn-nav-secondary {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .hero {
                padding: 60px 0 70px;
            }
            .hero h1 {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .hero-stat-divider {
                display: none;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 1.6rem;
            }
            .highlight-content h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .news-card {
                flex-direction: column;
            }
            .news-card-thumb {
                width: 100%;
                min-width: 100%;
                height: 180px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero {
                padding: 40px 0 50px;
            }
            .hero h1 {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.88rem;
            }
            .hero-buttons {
                flex-direction: column;
                align-items: center;
            }
            .hero-buttons .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                flex-direction: column;
                gap: 14px;
                align-items: center;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 16px;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .faq-item h3 {
                font-size: 0.93rem;
            }
            .highlight-list li {
                font-size: 0.88rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #0f1b4c;
            --primary-light: #1a3370;
            --primary-lighter: #e8ecf6;
            --accent: #d4203c;
            --accent-light: #fde8ec;
            --gold: #c8922b;
            --gold-light: #fdf3e2;
            --bg: #f4f5f9;
            --surface: #ffffff;
            --text: #1a1d2e;
            --text-secondary: #4a4f63;
            --text-muted: #878b9e;
            --border: #e2e4ed;
            --border-light: #eef0f5;
            --radius-xs: 6px;
            --radius-sm: 10px;
            --radius: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 4px rgba(15,27,76,0.04);
            --shadow: 0 2px 14px rgba(15,27,76,0.07);
            --shadow-md: 0 6px 24px rgba(15,27,76,0.10);
            --shadow-lg: 0 12px 40px rgba(15,27,76,0.13);
            --shadow-xl: 0 20px 60px rgba(15,27,76,0.16);
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --container-max: 1240px;
            --container-narrow: 860px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 28px;
        }

        .container-narrow {
            width: 100%;
            max-width: var(--container-narrow);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* Header */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 100;
            height: var(--header-height);
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.94);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .header-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 9px 18px;
            border-radius: var(--radius-xs);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-lighter);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--primary-lighter);
            font-weight: 600;
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .btn-nav {
            padding: 10px 20px;
            border-radius: var(--radius-xs);
            font-size: 0.9rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-primary {
            background: var(--accent);
            color: #fff;
        }
        .btn-nav-primary:hover {
            background: #b81a32;
            box-shadow: var(--shadow);
            transform: translateY(-1px);
        }
        .btn-nav-secondary {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--border);
        }
        .btn-nav-secondary:hover {
            border-color: var(--primary);
            background: var(--primary-lighter);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            padding: 8px;
            border-radius: var(--radius-xs);
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* Breadcrumb */
        .breadcrumb-bar {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
            padding: 14px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition-fast);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .separator {
            color: var(--border);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* Main layout */
        .article-main {
            flex: 1;
            padding: 40px 0 60px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 40px;
            align-items: start;
        }

        /* Article content area */
        .article-primary {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
        }
        .article-cover {
            width: 100%;
            aspect-ratio: 16 / 7;
            object-fit: cover;
            display: block;
            background: var(--primary-lighter);
        }
        .article-body-wrap {
            padding: 36px 40px 48px;
        }
        .article-meta-top {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .article-category-tag {
            display: inline-block;
            padding: 5px 14px;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .article-date {
            font-size: 0.88rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-date i {
            font-size: 0.82rem;
        }
        .article-title {
            font-size: 1.9rem;
            font-weight: 700;
            line-height: 1.35;
            color: var(--primary);
            margin-bottom: 24px;
            letter-spacing: -0.01em;
        }
        .article-content {
            font-size: 1.02rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-content h2 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.005em;
        }
        .article-content h3 {
            font-size: 1.18rem;
            font-weight: 600;
            color: var(--text);
            margin: 28px 0 12px;
        }
        .article-content p {
            margin-bottom: 16px;
            color: var(--text);
        }
        .article-content ul, .article-content ol {
            margin: 12px 0 20px 24px;
        }
        .article-content li {
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-lighter);
            padding: 18px 22px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-content img {
            border-radius: var(--radius);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }
        .article-content a:hover {
            color: var(--accent);
        }
        .article-content strong {
            color: var(--text);
            font-weight: 700;
        }

        /* Not found state */
        .article-not-found {
            text-align: center;
            padding: 80px 40px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
        }
        .article-not-found .nf-icon {
            font-size: 4rem;
            color: var(--border);
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 10px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 24px;
        }
        .article-not-found .btn-back {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .article-not-found .btn-back:hover {
            background: var(--primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }

        /* Sidebar */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: calc(var(--header-height) + 30px);
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.005em;
        }
        .sidebar-related-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .sidebar-related-list li a {
            display: flex;
            gap: 12px;
            align-items: flex-start;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            text-decoration: none;
        }
        .sidebar-related-list li a:hover {
            background: var(--primary-lighter);
        }
        .sidebar-related-list .related-thumb {
            width: 56px;
            height: 42px;
            border-radius: var(--radius-xs);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg);
        }
        .sidebar-related-list .related-info {
            flex: 1;
            min-width: 0;
        }
        .sidebar-related-list .related-title {
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .sidebar-related-list .related-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 4px;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            border-radius: var(--radius);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: none;
        }
        .sidebar-cta h3 {
            color: #fff;
            border-bottom-color: rgba(255,255,255,0.2);
            font-size: 1.05rem;
            margin-bottom: 12px;
            padding-bottom: 12px;
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            opacity: 0.9;
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .sidebar-cta .btn-sidebar-cta {
            display: inline-block;
            padding: 11px 26px;
            background: var(--accent);
            color: #fff;
            border-radius: 25px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
        }
        .sidebar-cta .btn-sidebar-cta:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }

        /* Bottom sections */
        .section-related-bottom {
            padding: 50px 0 40px;
        }
        .section-related-bottom .section-heading {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 28px;
            text-align: center;
            letter-spacing: -0.01em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .related-card .rc-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: var(--primary-lighter);
        }
        .related-card .rc-body {
            padding: 18px 20px 20px;
        }
        .related-card .rc-tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--gold-light);
            color: var(--gold);
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .related-card .rc-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .rc-title a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        .related-card .rc-title a:hover {
            color: var(--primary);
        }
        .related-card .rc-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-top: 8px;
        }

        /* CTA section */
        .section-cta {
            padding: 50px 0 60px;
        }
        .cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, #162460 100%);
            border-radius: var(--radius-lg);
            padding: 52px 48px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255,255,255,0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background: rgba(255,255,255,0.03);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card h2 {
            font-size: 1.7rem;
            font-weight: 700;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
            letter-spacing: -0.01em;
        }
        .cta-card p {
            font-size: 1.02rem;
            opacity: 0.88;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-card .btn-cta {
            display: inline-block;
            padding: 14px 36px;
            background: var(--accent);
            color: #fff;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            position: relative;
            z-index: 1;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(212,32,60,0.4);
        }
        .cta-card .btn-cta:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 10px 30px rgba(0,0,0,0.25);
            transform: translateY(-2px);
        }

        /* FAQ section */
        .section-faq {
            padding: 40px 0 60px;
        }
        .section-faq .section-heading {
            font-size: 1.45rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 32px;
            text-align: center;
            letter-spacing: -0.01em;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 22px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--text-muted);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            margin-top: 12px;
            color: var(--text-secondary);
            line-height: 1.8;
            font-size: 0.95rem;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        /* Footer */
        .site-footer {
            background: #0c1535;
            color: #c4c8d8;
            padding: 50px 0 30px;
            margin-top: auto;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }
        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.75;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #c4c8d8;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            opacity: 0.65;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr 280px;
                gap: 28px;
            }
            .article-body-wrap {
                padding: 28px 28px 36px;
            }
            .article-title {
                font-size: 1.55rem;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-card {
                padding: 38px 30px;
            }
            .cta-card h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                box-shadow: var(--shadow-md);
                border-bottom: 2px solid var(--border-light);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-xs);
            }
            .nav-toggle {
                display: flex;
            }
            .btn-nav-secondary {
                display: none;
            }
            .btn-nav-primary {
                padding: 8px 15px;
                font-size: 0.82rem;
            }
            .article-layout {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .article-sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .sidebar-card {
                flex: 1 1 260px;
                min-width: 240px;
            }
            .sidebar-cta {
                flex: 1 1 260px;
                min-width: 240px;
            }
            .article-body-wrap {
                padding: 22px 20px 30px;
            }
            .article-title {
                font-size: 1.35rem;
            }
            .article-content {
                font-size: 0.95rem;
            }
            .article-content h2 {
                font-size: 1.2rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .section-faq .section-heading,
            .section-related-bottom .section-heading {
                font-size: 1.25rem;
            }
            .faq-item {
                padding: 16px 18px;
            }
            .cta-card {
                padding: 30px 20px;
            }
            .cta-card h2 {
                font-size: 1.25rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-grid > div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .container-narrow {
                padding: 0 16px;
            }
            .header-logo {
                font-size: 1.1rem;
                gap: 7px;
            }
            .header-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .btn-nav-primary {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .article-body-wrap {
                padding: 16px 14px 22px;
            }
            .article-title {
                font-size: 1.2rem;
            }
            .article-meta-top {
                gap: 8px;
            }
            .article-category-tag {
                font-size: 0.74rem;
                padding: 4px 10px;
            }
            .article-date {
                font-size: 0.78rem;
            }
            .article-content {
                font-size: 0.9rem;
                line-height: 1.75;
            }
            .article-content h2 {
                font-size: 1.1rem;
                margin: 24px 0 12px;
            }
            .article-content h3 {
                font-size: 1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .article-sidebar {
                flex-direction: column;
            }
            .sidebar-card, .sidebar-cta {
                flex: 1 1 auto;
                min-width: auto;
            }
            .cta-card {
                padding: 24px 16px;
                border-radius: var(--radius);
            }
            .cta-card h2 {
                font-size: 1.15rem;
            }
            .cta-card p {
                font-size: 0.88rem;
            }
            .faq-item {
                padding: 14px 15px;
            }
            .faq-item summary {
                font-size: 0.9rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 22px;
            }
            .site-footer .footer-grid > div:first-child {
                grid-column: auto;
            }
            .section-cta {
                padding: 30px 0 40px;
            }
            .section-faq {
                padding: 24px 0 40px;
            }
            .section-related-bottom {
                padding: 30px 0 24px;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0B1D3A;
            --primary-light: #132D56;
            --primary-dark: #06101F;
            --accent: #C8963E;
            --accent-light: #D9AB55;
            --accent-dark: #A67A2E;
            --accent-glow: #E8C97A;
            --danger: #D94040;
            --danger-light: #F25C5C;
            --text: #1E293B;
            --text-weak: #64748B;
            --text-muted: #94A3B8;
            --bg: #F0F2F5;
            --bg-alt: #E8EBF0;
            --bg-dark: #0A1525;
            --card: #FFFFFF;
            --card-hover: #FAFBFD;
            --border: #DDE1E7;
            --border-light: #EBEEF3;
            --shadow-sm: 0 1px 3px rgba(11, 29, 58, 0.06);
            --shadow-md: 0 4px 14px rgba(11, 29, 58, 0.09);
            --shadow-lg: 0 12px 32px rgba(11, 29, 58, 0.13);
            --shadow-xl: 0 20px 50px rgba(11, 29, 58, 0.18);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --radius-full: 9999px;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --header-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.65;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        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;
            background: none;
            font-size: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 29, 58, 0.97);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.18);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

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

        .header-logo:hover {
            opacity: 0.85;
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #FFFFFF;
            font-weight: 900;
            font-size: 1.2rem;
            letter-spacing: 0;
            box-shadow: 0 2px 8px rgba(200, 150, 62, 0.35);
            flex-shrink: 0;
        }

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

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.78);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.07);
        }

        .nav-links a.active {
            color: #FFFFFF;
            background: rgba(200, 150, 62, 0.18);
            font-weight: 600;
            box-shadow: inset 0 0 0 1px rgba(200, 150, 62, 0.3);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }

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

        .btn-nav {
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.01em;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-primary {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #FFFFFF;
            box-shadow: 0 2px 10px rgba(200, 150, 62, 0.35);
        }

        .btn-nav-primary:hover {
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.5);
            transform: translateY(-1px);
        }

        .btn-nav-primary:active {
            transform: translateY(0);
            box-shadow: 0 1px 6px rgba(200, 150, 62, 0.3);
        }

        .btn-nav-secondary {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.22);
        }

        .btn-nav-secondary:hover {
            background: rgba(255, 255, 255, 0.17);
            border-color: rgba(255, 255, 255, 0.35);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 6px;
            background: transparent;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2.5px;
            border-radius: 3px;
            background: #FFFFFF;
            transition: all var(--transition-base);
            transform-origin: center;
        }

        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7.5px) rotate(45deg);
        }

        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7.5px) rotate(-45deg);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center 40%;
            background-repeat: no-repeat;
            padding: 60px 0;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 16, 31, 0.82) 0%, rgba(11, 29, 58, 0.9) 100%);
            z-index: 1;
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
        }

        .page-banner-content {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 700px;
        }

        .page-banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            background: rgba(200, 150, 62, 0.2);
            border: 1px solid rgba(200, 150, 62, 0.35);
            color: var(--accent-glow);
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            width: fit-content;
        }

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

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(200, 150, 62, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(200, 150, 62, 0);
            }
        }

        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            line-height: 1.25;
        }

        .page-banner h1 .accent {
            color: var(--accent-glow);
        }

        .page-banner p {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
        }

        /* ========== MAIN LAYOUT ========== */
        .site-main {
            flex: 1;
            padding: 0 0 60px;
        }

        .section {
            padding: 56px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-weak);
            max-width: 540px;
            margin: 0 auto;
        }

        /* ========== CATEGORY GRID ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }

        .category-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 28px 20px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-light));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-base);
        }

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

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

        .category-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 14px;
            background: var(--bg-alt);
            transition: all var(--transition-base);
        }

        .category-card:hover .category-icon {
            background: rgba(200, 150, 62, 0.12);
            transform: scale(1.08);
        }

        .category-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .category-card .cat-count {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* ========== EVENT LIST ========== */
        .event-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

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

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

        .event-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg-alt);
        }

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

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

        .event-card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .badge-live {
            background: var(--danger);
            color: #FFF;
            animation: live-pulse 2s ease-in-out infinite;
        }

        @keyframes live-pulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(217, 64, 64, 0.5);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(217, 64, 64, 0);
            }
        }

        .badge-upcoming {
            background: rgba(200, 150, 62, 0.9);
            color: #FFF;
        }

        .badge-hot {
            background: linear-gradient(135deg, #F05A28, #E63946);
            color: #FFF;
        }

        .event-card-body {
            padding: 18px 16px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .event-card-tags {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .event-tag {
            font-size: 0.72rem;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 500;
            background: var(--bg-alt);
            color: var(--text-weak);
        }

        .event-card h3 {
            font-size: 1.04rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .event-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .event-card-footer {
            margin-top: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            border-top: 1px solid var(--border-light);
        }

        .event-heat {
            font-size: 0.78rem;
            color: var(--danger);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }

        .btn-sm {
            padding: 7px 16px;
            border-radius: var(--radius-full);
            font-size: 0.82rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }

        .btn-sm-outline {
            border: 1.5px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

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

        .btn-sm-accent {
            background: var(--accent);
            color: #FFF;
            border: 1.5px solid var(--accent);
        }

        .btn-sm-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }

        /* ========== RANKING TABLE ========== */
        .ranking-table-wrap {
            background: var(--card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }

        .ranking-table {
            width: 100%;
            border-collapse: collapse;
        }

        .ranking-table thead {
            background: var(--primary);
            color: #FFFFFF;
        }

        .ranking-table thead th {
            padding: 14px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            text-align: left;
            white-space: nowrap;
        }

        .ranking-table thead th:first-child {
            text-align: center;
            width: 60px;
        }

        .ranking-table tbody td {
            padding: 13px 16px;
            font-size: 0.92rem;
            border-bottom: 1px solid var(--border-light);
            vertical-align: middle;
        }

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

        .ranking-table tbody tr:hover {
            background: var(--card-hover);
        }

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

        .rank-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.88rem;
        }

        .rank-1 {
            background: linear-gradient(135deg, #FFD700, #E6B800);
            color: #5C3D00;
            box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
        }

        .rank-2 {
            background: linear-gradient(135deg, #C0C0C0, #A0A0A0);
            color: #3A3A3A;
            box-shadow: 0 2px 6px rgba(192, 192, 192, 0.35);
        }

        .rank-3 {
            background: linear-gradient(135deg, #CD7F32, #B06A28);
            color: #FFF;
            box-shadow: 0 2px 6px rgba(205, 127, 50, 0.35);
        }

        .rank-other {
            background: var(--bg-alt);
            color: var(--text-weak);
        }

        .ranking-team {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--primary);
        }

        .ranking-team-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .trend-up {
            color: #16A34A;
            font-weight: 700;
        }

        .trend-down {
            color: var(--danger);
            font-weight: 700;
        }

        .trend-stable {
            color: var(--text-muted);
        }

        /* ========== STATS ROW ========== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            padding: 26px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

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

        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1;
        }

        .stat-number .accent {
            color: var(--accent);
        }

        .stat-label {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: transparent;
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
            cursor: pointer;
        }

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

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            transition: all var(--transition-base);
            color: var(--text-weak);
            font-weight: 700;
        }

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

        .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;
        }

        .faq-answer-inner {
            padding: 0 20px 20px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            position: relative;
            padding: 64px 0;
            text-align: center;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 29, 58, 0.94) 0%, rgba(6, 16, 31, 0.9) 100%);
            z-index: 1;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.72);
            max-width: 520px;
            margin: 0 auto 28px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: var(--radius-full);
            font-size: 1rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #FFFFFF;
            box-shadow: 0 6px 24px rgba(200, 150, 62, 0.4);
            transition: all var(--transition-base);
            border: none;
            cursor: pointer;
        }

        .btn-cta:hover {
            box-shadow: 0 10px 34px rgba(200, 150, 62, 0.55);
            transform: translateY(-3px);
        }

        .btn-cta:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(200, 150, 62, 0.35);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 44px 0 24px;
            border-top: 3px solid rgba(200, 150, 62, 0.3);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 28px;
        }

        .footer-brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.88rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 12px;
            letter-spacing: 0.04em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }

        .footer-col ul li a {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            padding-top: 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            letter-spacing: 0.02em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .event-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-banner h1 {
                font-size: 1.9rem;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .ranking-table thead th,
            .ranking-table tbody td {
                padding: 10px 10px;
                font-size: 0.78rem;
            }
            .rank-num {
                width: 26px;
                height: 26px;
                font-size: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .site-header .container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11, 29, 58, 0.98);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 2px;
                border-bottom: 2px solid rgba(200, 150, 62, 0.3);
                box-shadow: var(--shadow-xl);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-md);
                font-size: 1rem;
                width: 100%;
            }
            .nav-toggle {
                display: flex;
            }
            .btn-nav {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .event-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .page-banner {
                padding: 36px 0;
            }
            .page-banner h1 {
                font-size: 1.55rem;
            }
            .page-banner p {
                font-size: 0.9rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .ranking-table-wrap {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }
            .ranking-table {
                min-width: 600px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-desc {
                max-width: 100%;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .header-logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }
            .btn-nav {
                padding: 6px 12px;
                font-size: 0.75rem;
            }
            .category-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .category-card {
                padding: 20px 14px;
            }
            .category-icon {
                width: 44px;
                height: 44px;
                font-size: 1.4rem;
            }
            .stats-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .btn-cta {
                padding: 12px 26px;
                font-size: 0.9rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 15px;
            }
            .faq-answer-inner {
                padding: 0 15px 15px;
                font-size: 0.82rem;
            }
            .event-card-body {
                padding: 12px 10px;
            }
            .event-card h3 {
                font-size: 0.92rem;
            }
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.01ms !important;
            }
        }