/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1b3d;
            --primary-light: #1a2d5e;
            --primary-dark: #0a1229;
            --secondary: #d4a53a;
            --secondary-light: #e8c458;
            --secondary-dark: #b8892a;
            --accent: #f59e0b;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-light: #f0f2f7;
            --bg-dark: #0f1b3d;
            --text-primary: #0f1b3d;
            --text-secondary: #4a5568;
            --text-muted: #8896ab;
            --text-white: #ffffff;
            --text-light: #cbd5e1;
            --border: #e2e8f0;
            --border-light: #f0f2f7;
            --shadow-sm: 0 2px 8px rgba(15, 27, 61, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 27, 61, 0.10);
            --shadow-lg: 0 16px 48px rgba(15, 27, 61, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --header-h: 72px;
            --dock-max-w: 880px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; transition: var(--transition); }
        input, textarea { font-family: inherit; border: none; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.2vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }
        p { color: var(--text-secondary); margin-bottom: 0.5rem; }
        strong { font-weight: 600; color: var(--text-primary); }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow { max-width: 900px; }

        /* ===== Section Spacing ===== */
        .section { padding: 80px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p {
            max-width: 600px;
            margin: 0 auto;
            font-size: 1.05rem;
            color: var(--text-secondary);
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: var(--radius-full);
            margin: 16px auto 20px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            transition: var(--transition);
            line-height: 1.4;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 165, 58, 0.35);
        }
        .btn-primary:active { transform: translateY(0); }
        .btn-outline {
            border: 2px solid var(--secondary);
            color: var(--secondary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--secondary);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }
        .btn-outline:active { transform: translateY(0); }
        .btn-white {
            background: var(--text-white);
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--bg-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-lg { padding: 16px 36px; font-size: 1.05rem; }
        .btn-sm { padding: 8px 20px; font-size: 0.85rem; }
        .btn:focus-visible { outline: 3px solid var(--secondary); outline-offset: 3px; }

        /* ===== Badges & Tags ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            background: var(--bg-light);
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }
        .badge-secondary { background: var(--secondary); color: var(--primary-dark); }
        .badge-primary { background: var(--primary); color: var(--text-white); }
        .badge-hot { background: #fee2e2; color: #dc2626; }
        .tag {
            display: inline-block;
            padding: 6px 16px;
            font-size: 0.8rem;
            border-radius: var(--radius-full);
            background: var(--bg-light);
            color: var(--text-secondary);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .tag:hover { background: var(--secondary); color: var(--primary-dark); border-color: var(--secondary); }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body { padding: 20px 24px 24px; }
        .card-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .card-body p { font-size: 0.9rem; color: var(--text-secondary); margin-bottom: 12px; }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .card-meta i { margin-right: 4px; }

        /* ===== Grids ===== */
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 30px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            pointer-events: none;
        }
        .site-header .dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--dock-max-w);
            background: rgba(15, 27, 61, 0.88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-xl);
            padding: 10px 20px 10px 24px;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.25);
            transition: var(--transition);
        }
        .site-header .logo {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .site-header .logo span { color: var(--secondary); }
        .site-header .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .site-header .nav-links a {
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            border-radius: var(--radius-full);
            transition: var(--transition);
            white-space: nowrap;
        }
        .site-header .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .site-header .nav-links a.active {
            color: var(--primary-dark);
            background: var(--secondary);
            font-weight: 600;
        }
        .site-header .nav-right {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .site-header .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-full);
            padding: 6px 16px 6px 14px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .site-header .search-box:focus-within {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.20);
        }
        .site-header .search-box input {
            background: transparent;
            color: var(--text-white);
            font-size: 0.85rem;
            width: 120px;
            padding: 4px 0;
        }
        .site-header .search-box input::placeholder { color: rgba(255, 255, 255, 0.4); }
        .site-header .search-box button {
            color: var(--text-light);
            font-size: 0.9rem;
            padding: 4px;
        }
        .site-header .search-box button:hover { color: var(--secondary); }

        /* Mobile menu toggle */
        .menu-toggle { display: none; font-size: 1.4rem; color: var(--text-white); padding: 6px; }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: var(--primary-dark);
            overflow: hidden;
            padding: 120px 24px 80px;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            filter: brightness(0.6) saturate(1.2);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 40%, rgba(15, 27, 61, 0.3) 0%, rgba(10, 18, 41, 0.8) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 24px;
            background: rgba(212, 165, 58, 0.20);
            border: 1px solid rgba(212, 165, 58, 0.30);
            border-radius: var(--radius-full);
            color: var(--secondary-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 28px;
            letter-spacing: 1px;
        }
        .hero h1 {
            color: var(--text-white);
            margin-bottom: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .hero h1 span { color: var(--secondary); }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            margin-bottom: 48px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
        }
        .hero-stat { text-align: center; }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== Intro Section ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            object-fit: cover;
            width: 100%;
        }
        .intro-text h2 { margin-bottom: 16px; }
        .intro-text p { margin-bottom: 16px; font-size: 1rem; }
        .intro-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 24px;
        }
        .intro-feature {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            background: var(--bg-light);
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.9rem;
        }
        .intro-feature i { color: var(--secondary); font-size: 1.1rem; }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
            border-color: var(--secondary);
        }
        .category-card .icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: var(--bg-light);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--secondary);
            transition: var(--transition);
        }
        .category-card:hover .icon { background: var(--secondary); color: var(--primary-dark); }
        .category-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .category-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 16px; }
        .category-card .tag-group { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

        /* ===== News / Content List ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .news-card .thumb {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
        }
        .news-card .info { padding: 18px 22px 22px; }
        .news-card .info h3 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .info p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 12px;
        }
        .news-card .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .news-card .meta i { margin-right: 4px; }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-muted);
            background: var(--bg-light);
            border-radius: var(--radius-md);
        }
        .news-empty i { font-size: 2.4rem; margin-bottom: 16px; display: block; color: var(--text-muted); }

        /* ===== Stats / Data ===== */
        .stats-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            filter: brightness(0.5);
        }
        .stats-grid {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .stats-item .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--secondary);
            display: block;
        }
        .stats-item .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 8px;
        }
        .stats-item .divider-line {
            width: 40px;
            height: 3px;
            background: rgba(212, 165, 58, 0.4);
            margin: 12px auto 0;
            border-radius: var(--radius-full);
        }

        /* ===== Process / Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .process-step {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .process-step:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .process-step .step-num {
            width: 44px;
            height: 44px;
            margin: 0 auto 16px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 700;
        }
        .process-step h4 { font-size: 1rem; margin-bottom: 8px; }
        .process-step p { font-size: 0.85rem; color: var(--text-muted); }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            color: var(--text-primary);
        }
        .faq-question i {
            color: var(--secondary);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.10;
            filter: brightness(0.4);
        }
        .cta-content { position: relative; z-index: 1; max-width: 640px; margin: 0 auto; }
        .cta-content h2 { color: var(--text-white); margin-bottom: 16px; }
        .cta-content p { color: rgba(255, 255, 255, 0.7); margin-bottom: 28px; font-size: 1.05rem; }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: var(--text-light);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo { font-size: 1.3rem; font-weight: 800; color: var(--text-white); margin-bottom: 12px; display: block; }
        .footer-brand .logo span { color: var(--secondary); }
        .footer-brand p { font-size: 0.88rem; color: rgba(255, 255, 255, 0.5); max-width: 300px; line-height: 1.7; }
        .footer-col h4 { font-size: 0.95rem; color: var(--text-white); margin-bottom: 16px; font-weight: 600; }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .footer-bottom a { color: rgba(255, 255, 255, 0.4); }
        .footer-bottom a:hover { color: var(--secondary); }
        .footer-social { display: flex; gap: 16px; }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: var(--radius-full);
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            font-size: 0.95rem;
        }
        .footer-social a:hover { background: var(--secondary); color: var(--primary-dark); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .hero h1 { font-size: 2.4rem; }
        }

        @media (max-width: 768px) {
            .section { padding: 56px 0; }
            .site-header { top: 12px; }
            .site-header .dock { padding: 8px 16px; border-radius: var(--radius-lg); }
            .site-header .logo { font-size: 1rem; }
            .site-header .nav-links { display: none; }
            .site-header .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(100% + 8px);
                left: 0;
                right: 0;
                background: rgba(15, 27, 61, 0.96);
                backdrop-filter: blur(16px);
                border-radius: var(--radius-md);
                padding: 12px;
                border: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: var(--shadow-lg);
            }
            .site-header .nav-links.open a { padding: 12px 16px; }
            .menu-toggle { display: block; }
            .site-header .search-box { display: none; }
            .site-header .search-box.open { display: flex; width: 100%; margin-top: 8px; }
            .hero { min-height: 90vh; padding: 100px 20px 60px; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .intro-grid { grid-template-columns: 1fr; gap: 32px; }
            .intro-features { grid-template-columns: 1fr; }
            .grid-2, .grid-3, .news-grid, .category-grid { grid-template-columns: 1fr; gap: 20px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stats-item .num { font-size: 2rem; }
            .process-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section { padding: 56px 20px; }
            .section-title { margin-bottom: 32px; }
            .section-title h2 { font-size: 1.6rem; }
        }

        @media (max-width: 520px) {
            .site-header .dock { padding: 6px 12px; }
            .site-header .logo { font-size: 0.9rem; }
            .hero h1 { font-size: 1.6rem; }
            .hero-stat .num { font-size: 1.5rem; }
            .hero-actions .btn { padding: 10px 20px; font-size: 0.85rem; }
            .process-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .news-card .info { padding: 14px 16px 18px; }
            .category-card { padding: 24px 18px; }
            .faq-question { padding: 16px 18px; font-size: 0.92rem; }
            .footer-grid { gap: 20px; }
        }

        /* ===== Utilities ===== */
        .text-center { text-align: center; }
        .mt-1 { margin-top: 12px; }
        .mt-2 { margin-top: 24px; }
        .mt-3 { margin-top: 40px; }
        .mb-1 { margin-bottom: 12px; }
        .mb-2 { margin-bottom: 24px; }
        .gap-2 { gap: 12px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .bg-white { background: var(--bg-white); }
        .bg-light { background: var(--bg-light); }
        .rounded-md { border-radius: var(--radius-md); }
        .shadow-sm { box-shadow: var(--shadow-sm); }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1b3d;
            --primary-light: #1a2d5e;
            --primary-dark: #080f24;
            --secondary: #d4a843;
            --secondary-light: #e8c56a;
            --secondary-dark: #b8922e;
            --accent: #f0c75e;
            --bg: #f5f6fa;
            --bg-card: #ffffff;
            --bg-alt: #eef0f5;
            --bg-dark: #0a1128;
            --text: #1a1a2e;
            --text-light: #4a4a6a;
            --text-muted: #7a7a9a;
            --text-white: #f0f0f5;
            --border: #d6dae5;
            --border-light: #e8ebf2;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(15, 27, 61, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 27, 61, 0.08);
            --shadow-lg: 0 14px 40px rgba(15, 27, 61, 0.12);
            --shadow-xl: 0 24px 60px rgba(15, 27, 61, 0.16);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: var(--primary); font-weight: 700; }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 1.8rem; }
        h3 { font-size: 1.35rem; }
        h4 { font-size: 1.1rem; }

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

        /* ===== Header / Dock Nav ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 1000;
            width: calc(100% - 40px);
            max-width: 900px;
            background: rgba(15, 27, 61, 0.88);
            backdrop-filter: blur(18px) saturate(1.3);
            -webkit-backdrop-filter: blur(18px) saturate(1.3);
            border-radius: var(--radius-xl);
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.18);
            padding: 0 8px;
            border: 1px solid rgba(212, 168, 67, 0.15);
            transition: var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            padding: 0 12px;
            max-width: 100%;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.3px;
            display: flex;
            align-items: center;
            gap: 2px;
        }
        .logo span { color: var(--secondary); font-weight: 700; }
        .logo:hover { color: #fff; opacity: 0.92; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links a {
            padding: 8px 20px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.2px;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            color: var(--primary);
            background: var(--secondary);
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(212, 168, 67, 0.35);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .nav-search {
            background: rgba(255, 255, 255, 0.10);
            border-radius: 40px;
            padding: 6px 16px 6px 18px;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--secondary);
        }
        .nav-search input {
            background: transparent;
            color: #fff;
            font-size: 0.85rem;
            width: 120px;
            padding: 4px 0;
        }
        .nav-search input::placeholder { color: rgba(255, 255, 255, 0.4); }
        .nav-search i { color: rgba(255, 255, 255, 0.5); font-size: 0.85rem; }
        .nav-toggle {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 40px;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            border: 1px solid rgba(255, 255, 255, 0.06);
        }
        .nav-toggle:hover { background: rgba(255, 255, 255, 0.14); }

        /* ===== Hero / Article Banner ===== */
        .article-hero {
            position: relative;
            padding: 140px 0 80px;
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            min-height: 320px;
            display: flex;
            align-items: flex-end;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 27, 61, 0.60) 0%, rgba(8, 15, 36, 0.92) 100%);
            z-index: 1;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 16px;
        }
        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }
        .article-hero .breadcrumb a:hover { color: var(--secondary); }
        .article-hero .breadcrumb span { color: rgba(255, 255, 255, 0.4); }
        .article-hero .hero-category {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            padding: 4px 16px;
            border-radius: 40px;
            margin-bottom: 14px;
        }
        .article-hero h1 {
            font-size: 2.6rem;
            color: #fff;
            max-width: 800px;
            line-height: 1.2;
            font-weight: 800;
            text-shadow: 0 2px 20px rgba(0,0,0,0.2);
        }
        .article-hero .hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 18px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-hero .hero-meta i { margin-right: 6px; color: var(--secondary); }
        .article-hero .hero-meta span { display: flex; align-items: center; }

        /* ===== Article Main ===== */
        .article-main {
            padding: 48px 0 64px;
            background: var(--bg);
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            align-items: start;
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .article-content .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 32px;
            object-fit: cover;
            max-height: 420px;
            box-shadow: var(--shadow-sm);
        }
        .article-content .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-content .article-body p {
            margin-bottom: 1.4em;
        }
        .article-content .article-body h2,
        .article-content .article-body h3 {
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--primary);
        }
        .article-content .article-body h2 { font-size: 1.5rem; }
        .article-content .article-body h3 { font-size: 1.2rem; }
        .article-content .article-body ul,
        .article-content .article-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
        }
        .article-content .article-body ul li {
            list-style: disc;
            margin-bottom: 0.3em;
        }
        .article-content .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.3em;
        }
        .article-content .article-body a {
            color: var(--secondary-dark);
            border-bottom: 1px solid transparent;
        }
        .article-content .article-body a:hover {
            border-bottom-color: var(--secondary-dark);
        }
        .article-content .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-alt);
            padding: 16px 24px;
            margin: 1.6em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-content .article-body img {
            border-radius: var(--radius-md);
            margin: 1.6em 0;
            box-shadow: var(--shadow-sm);
        }
        .article-content .article-body iframe {
            width: 100%;
            aspect-ratio: 16/9;
            border-radius: var(--radius-md);
            margin: 1.6em 0;
            border: none;
        }
        .article-content .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-content .article-tags .tag {
            background: var(--bg-alt);
            color: var(--text-light);
            font-size: 0.82rem;
            padding: 6px 16px;
            border-radius: 40px;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .article-content .article-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .article-content .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 20px;
            padding-top: 18px;
            border-top: 1px solid var(--border-light);
        }
        .article-content .article-share span {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }
        .article-content .article-share a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .article-content .article-share a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--secondary);
            display: inline-block;
        }
        .sidebar-card .side-list a {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .sidebar-card .side-list a:last-child { border-bottom: none; }
        .sidebar-card .side-list a:hover {
            padding-left: 6px;
            color: var(--primary);
        }
        .sidebar-card .side-list .side-img {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-alt);
        }
        .sidebar-card .side-list .side-text {
            flex: 1;
        }
        .sidebar-card .side-list .side-text h4 {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 2px;
            line-height: 1.35;
        }
        .sidebar-card .side-list .side-text span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .sidebar-card .side-cta {
            display: block;
            text-align: center;
            background: var(--primary);
            color: #fff;
            padding: 12px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            margin-top: 12px;
            transition: var(--transition);
        }
        .sidebar-card .side-cta:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ===== Related Section ===== */
        .related-section {
            padding: 56px 0 64px;
            background: var(--bg-alt);
        }
        .related-section h2 {
            text-align: center;
            margin-bottom: 40px;
            position: relative;
        }
        .related-section h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 3px;
            background: var(--secondary);
            margin: 12px auto 0;
            border-radius: 4px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .related-card .card-body {
            padding: 18px 20px 20px;
        }
        .related-card .card-body .card-cat {
            font-size: 0.72rem;
            color: var(--secondary-dark);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            margin-bottom: 6px;
        }
        .related-card .card-body h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .related-card .card-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        .related-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 10px;
            font-size: 0.75rem;
            color: var(--text-muted);
        }
        .related-card .card-body .card-meta i { margin-right: 4px; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 56px 0;
            background: var(--primary);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 27, 61, 0.82);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-content {
            text-align: center;
            color: #fff;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            color: #fff;
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin-bottom: 24px;
        }
        .cta-content .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .cta-content .btn-primary {
            background: var(--secondary);
            color: var(--primary);
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 0.95rem;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.3);
        }
        .cta-content .btn-primary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(212, 168, 67, 0.4);
            color: var(--primary);
        }
        .cta-content .btn-outline {
            background: transparent;
            color: #fff;
            padding: 14px 36px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.95rem;
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
        }
        .cta-content .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            background: rgba(212, 168, 67, 0.08);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.04);
        }
        .footer-social a:hover {
            background: var(--secondary);
            color: var(--primary);
            border-color: var(--secondary);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-col a i { width: 20px; margin-right: 6px; }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            flex-wrap: wrap;
            gap: 8px;
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }
        .not-found-box i {
            font-size: 3.6rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .not-found-box h2 {
            color: var(--primary);
            margin-bottom: 8px;
        }
        .not-found-box p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-box .btn-back {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
            .article-hero h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .site-header { top: 10px; width: calc(100% - 24px); border-radius: var(--radius-lg); }
            .nav-links { display: none; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(var(--nav-height) + 4px);
                left: 8px;
                right: 8px;
                background: rgba(15, 27, 61, 0.96);
                backdrop-filter: blur(18px);
                border-radius: var(--radius-md);
                padding: 12px;
                gap: 4px;
                border: 1px solid rgba(212, 168, 67, 0.10);
                box-shadow: var(--shadow-xl);
            }
            .nav-links.open a {
                padding: 12px 20px;
                width: 100%;
                text-align: center;
            }
            .nav-toggle { display: flex; }
            .nav-search { display: none; }
            .article-hero { padding: 120px 0 56px; min-height: 240px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-content { padding: 24px 20px; }
            .article-content .article-body { font-size: 0.98rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-content h2 { font-size: 1.4rem; }
            .article-hero .hero-meta { gap: 12px; font-size: 0.82rem; flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .site-header { top: 6px; width: calc(100% - 16px); }
            .container { padding: 0 16px; }
            .logo { font-size: 1.1rem; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-content { padding: 16px 14px; }
            .article-content .article-body { font-size: 0.92rem; }
            .related-card img { height: 150px; }
            .cta-content .btn-primary,
            .cta-content .btn-outline { padding: 12px 24px; font-size: 0.88rem; width: 100%; }
            .not-found-box { padding: 40px 16px; }
        }

        /* ===== Utility ===== */
        .mt-2 { margin-top: 8px; }
        .mb-2 { margin-bottom: 8px; }
        .text-center { text-align: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* roulang page: category1 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --bg-dark: #0d1b2a;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e8e8f0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --shadow-xl: 0 30px 80px rgba(0,0,0,0.20);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --header-height: 80px;
            --dock-height: 64px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-light);
            padding-top: calc(var(--header-height) + 20px);
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
        h2 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin-bottom: 0.5rem; }
        h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock 导航 ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            padding: 0 20px;
            pointer-events: none;
        }
        .site-header .header-inner {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            height: var(--dock-height);
            background: rgba(255,255,255,0.88);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-radius: var(--radius-xl);
            padding: 0 28px;
            box-shadow: 0 4px 30px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
            border: 1px solid rgba(255,255,255,0.5);
            transition: var(--transition);
        }
        .site-header .header-inner:hover {
            box-shadow: 0 8px 40px rgba(0,0,0,0.10);
        }
        .site-header .logo {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.3px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .site-header .logo span {
            color: var(--primary);
            font-weight: 900;
        }
        .site-header .logo .dot {
            color: var(--accent);
            font-size: 1.6rem;
            line-height: 1;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(230,57,70,0.08);
        }
        .nav-links a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(230,57,70,0.30);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .nav-actions .search-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            background: var(--bg-light);
            transition: var(--transition);
            font-size: 1rem;
        }
        .nav-actions .search-btn:hover {
            background: var(--primary);
            color: var(--text-white);
        }
        .nav-actions .cta-btn {
            padding: 8px 22px;
            border-radius: 40px;
            background: var(--secondary);
            color: var(--text-white);
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-actions .cta-btn:hover {
            background: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230,57,70,0.30);
        }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--text-primary);
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: var(--primary);
            color: var(--text-white);
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: 80px 0 100px;
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            overflow: hidden;
            margin-top: -20px;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(230,57,70,0.20) 0%, transparent 70%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: 40px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(6px);
            color: var(--text-white);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 24px;
            border: 1px solid rgba(255,255,255,0.10);
        }
        .category-hero .hero-badge i {
            color: var(--accent);
        }
        .category-hero h1 {
            color: var(--text-white);
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.20);
        }
        .category-hero h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            color: rgba(255,255,255,0.80);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .category-hero .hero-actions .btn-primary {
            padding: 14px 36px;
            border-radius: 50px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 8px 30px rgba(230,57,70,0.35);
        }
        .category-hero .hero-actions .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(230,57,70,0.45);
        }
        .category-hero .hero-actions .btn-outline {
            padding: 12px 32px;
            border-radius: 50px;
            background: transparent;
            color: var(--text-white);
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.25);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .category-hero .hero-actions .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(230,57,70,0.15);
            transform: translateY(-3px);
        }

        /* ===== 板块通用间距 ===== */
        .section-padding { padding: 80px 0; }
        .section-padding-sm { padding: 60px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 12px auto 0;
        }

        /* ===== 赛事分类标签 ===== */
        .sport-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-bottom: 16px;
        }
        .sport-tags .tag {
            padding: 10px 26px;
            border-radius: 40px;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            cursor: default;
        }
        .sport-tags .tag i {
            margin-right: 8px;
            color: var(--primary);
        }
        .sport-tags .tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 4px 16px rgba(230,57,70,0.12);
            transform: translateY(-2px);
        }
        .sport-tags .tag.active {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(230,57,70,0.25);
        }
        .sport-tags .tag.active i {
            color: var(--text-white);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card .card-body {
            padding: 22px 24px 26px;
        }
        .card .card-body .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: rgba(230,57,70,0.08);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .card .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card .card-body p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .card .card-body .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-light);
        }
        .card .card-body .card-meta i {
            margin-right: 4px;
        }
        .card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .card .card-body .card-link:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        /* ===== 图文区块 ===== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse > * {
            direction: ltr;
        }
        .media-block .media-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .media-block .media-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: var(--transition);
        }
        .media-block .media-image:hover img {
            transform: scale(1.03);
        }
        .media-block .media-content h3 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .media-block .media-content p {
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .media-block .media-content .media-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
        }
        .media-block .media-content .media-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .media-block .media-content .media-list li i {
            color: var(--primary);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== 数据/统计卡片 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .stat-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-card .stat-number {
            font-size: 2.4rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .stat-number span {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-light);
        }
        .stat-card .stat-label {
            color: var(--text-secondary);
            font-size: 0.9rem;
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--secondary-light);
            margin-bottom: 12px;
            opacity: 0.5;
        }

        /* ===== 时间线 / 赛程列表 ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(180deg, var(--primary), var(--accent), var(--secondary-light));
            border-radius: 4px;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 32px 32px;
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg-light);
            box-shadow: 0 0 0 4px var(--primary);
        }
        .timeline-item .tl-date {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 4px;
        }
        .timeline-item .tl-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .timeline-item .tl-desc {
            color: var(--text-secondary);
            font-size: 0.92rem;
        }
        .timeline-item .tl-badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 20px;
            background: rgba(230,57,70,0.08);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 8px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 20px 28px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            transition: var(--transition);
            color: var(--text-light);
            font-size: 1.2rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 28px 20px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.8;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255,255,255,0.75);
            font-size: 1.1rem;
            max-width: 540px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-form {
            display: flex;
            max-width: 500px;
            margin: 0 auto;
            border-radius: 60px;
            overflow: hidden;
            box-shadow: 0 8px 40px rgba(0,0,0,0.30);
        }
        .cta-section .cta-form input {
            flex: 1;
            padding: 16px 24px;
            font-size: 1rem;
            background: var(--bg-white);
            color: var(--text-primary);
            border: none;
        }
        .cta-section .cta-form input::placeholder {
            color: var(--text-light);
        }
        .cta-section .cta-form button {
            padding: 16px 32px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
        }
        .cta-section .cta-form button:hover {
            background: var(--primary-dark);
        }
        .cta-section .cta-note {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.45);
            margin-top: 16px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.80);
            padding: 60px 0 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
        }
        .site-footer .footer-brand .logo span {
            color: var(--primary);
        }
        .site-footer .footer-brand p {
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            margin: 12px 0 16px;
            line-height: 1.7;
            max-width: 360px;
        }
        .site-footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .site-footer .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.60);
            transition: var(--transition);
            font-size: 1.1rem;
        }
        .site-footer .footer-social a:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-3px);
        }
        .site-footer .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            padding: 6px 0;
            transition: var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .site-footer .footer-col a i {
            width: 20px;
            margin-right: 6px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.35);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .media-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .media-block.reverse {
                direction: ltr;
            }
        }
        @media (max-width: 768px) {
            body { padding-top: calc(var(--header-height) + 10px); }
            .site-header { top: 10px; padding: 0 12px; }
            .site-header .header-inner { padding: 0 16px; }
            .nav-links { display: none; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: calc(var(--dock-height) + 8px);
                left: 12px;
                right: 12px;
                background: rgba(255,255,255,0.96);
                backdrop-filter: blur(18px);
                border-radius: var(--radius-md);
                padding: 16px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--border-color);
                gap: 4px;
            }
            .nav-links.open a {
                padding: 12px 18px;
                border-radius: var(--radius-sm);
            }
            .mobile-toggle { display: flex; }
            .nav-actions .cta-btn { display: none; }
            .category-hero { padding: 60px 0 70px; }
            .category-hero h1 { font-size: 1.8rem; }
            .category-hero p { font-size: 1rem; }
            .section-padding { padding: 50px 0; }
            .card-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-card { padding: 24px 16px; }
            .stat-card .stat-number { font-size: 1.8rem; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
            .media-block .media-image img { height: 240px; }
            .timeline { padding-left: 28px; }
            .timeline-item { padding: 0 0 24px 20px; }
            .timeline-item::before { left: -22px; width: 12px; height: 12px; }
            .cta-section .cta-form { flex-direction: column; border-radius: var(--radius-md); }
            .cta-section .cta-form input { border-radius: 0; }
            .cta-section .cta-form button { border-radius: 0; }
        }
        @media (max-width: 520px) {
            .category-hero h1 { font-size: 1.5rem; }
            .category-hero .hero-actions { flex-direction: column; align-items: center; }
            .category-hero .hero-actions .btn-primary,
            .category-hero .hero-actions .btn-outline { width: 100%; justify-content: center; }
            .section-title h2 { font-size: 1.4rem; }
            .card-grid { gap: 20px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .sport-tags .tag { font-size: 0.8rem; padding: 8px 16px; }
        }

        /* ===== 辅助 ===== */
        .mt-1 { margin-top: 8px; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .mb-1 { margin-bottom: 8px; }
        .mb-2 { margin-bottom: 16px; }
        .mb-3 { margin-bottom: 24px; }
        .text-center { text-align: center; }
        .text-muted { color: var(--text-light); }
        .bg-white { background: var(--bg-white); }
        .bg-light { background: var(--bg-light); }

        /* ===== 分类页特色装饰 ===== */
        .section-divider {
            width: 80px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 0 auto 32px;
        }
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            border-radius: 40px;
            background: rgba(230,57,70,0.08);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
        }