/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a1628;
            --primary-light: #132240;
            --primary-dark: #060e1a;
            --accent: #d4a843;
            --accent-light: #e8c76a;
            --accent-dark: #b88e2e;
            --bg-white: #ffffff;
            --bg-light: #f6f8fc;
            --bg-dark: #0d1b2f;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8a8aaa;
            --text-white: #ffffff;
            --border-color: #e2e8f0;
            --border-light: #f0f2f5;
            --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
            --shadow-md: 0 8px 30px rgba(10, 22, 40, 0.1);
            --shadow-lg: 0 20px 60px rgba(10, 22, 40, 0.15);
            --shadow-accent: 0 8px 30px rgba(212, 168, 67, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --header-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: 1.7;
            color: var(--text-primary);
            background: var(--bg-white);
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        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; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 6vw, 3.8rem); }
        h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
        h3 { font-size: clamp(1.25rem, 2.5vw, 1.65rem); }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== 分隔线 & 装饰 ===== */
        .section-divider { width: 60px; height: 3px; background: var(--accent); border-radius: 4px; margin: 16px 0 24px; }
        .section-divider.light { background: var(--accent-light); }
        .section-divider.center { margin-left: auto; margin-right: auto; }
        .section-badge {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(212, 168, 67, 0.12);
            color: var(--accent-dark);
            font-size: 0.82rem;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: rgba(10, 22, 40, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header.scrolled { background: rgba(10, 22, 40, 0.98); box-shadow: 0 4px 30px rgba(0,0,0,0.3); }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.1rem;
            font-weight: 900;
        }
        .logo span { color: var(--accent); }
        .main-nav { display: flex; align-items: center; gap: 40px; }
        .main-nav a {
            font-size: 0.92rem;
            font-weight: 500;
            color: rgba(255,255,255,0.75);
            position: relative;
            padding: 6px 0;
            letter-spacing: 0.3px;
            transition: var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
            border-radius: 2px;
        }
        .main-nav a:hover { color: var(--text-white); }
        .main-nav a:hover::after { width: 100%; }
        .main-nav a.active { color: var(--text-white); }
        .main-nav a.active::after { width: 100%; background: var(--accent); }
        .nav-cta {
            padding: 8px 24px !important;
            background: var(--accent);
            color: var(--primary) !important;
            border-radius: 50px;
            font-weight: 600 !important;
            font-size: 0.85rem !important;
            transition: var(--transition);
        }
        .nav-cta::after { display: none !important; }
        .nav-cta:hover { background: var(--accent-light) !important; transform: translateY(-1px); box-shadow: var(--shadow-accent); }
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            color: var(--text-white);
            font-size: 1.4rem;
            cursor: pointer;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover { background: rgba(255,255,255,0.08); }
        @media (max-width: 768px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 22, 40, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 24px 32px;
                gap: 20px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255,255,255,0.06);
                pointer-events: none;
            }
            .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .main-nav a { font-size: 1.05rem; padding: 8px 0; }
            .mobile-toggle { display: flex; }
            .nav-cta { width: 100%; text-align: center; padding: 12px !important; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            background: var(--primary-dark);
            overflow: hidden;
            padding-top: var(--header-height);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            transition: transform 8s ease;
        }
        .hero:hover .hero-bg { transform: scale(1); }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.6) 50%, rgba(10,22,40,0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 80px 24px;
            text-align: center;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 24px;
            background: rgba(212, 168, 67, 0.15);
            border: 1px solid rgba(212, 168, 67, 0.3);
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 1px;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            color: var(--text-white);
            margin-bottom: 20px;
            max-width: 900px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero h1 span { color: var(--accent); }
        .hero p {
            color: rgba(255,255,255,0.75);
            font-size: 1.2rem;
            max-width: 680px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 50px;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }
        .btn-primary:hover { background: var(--accent-light); border-color: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-accent); color: var(--primary); }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255,255,255,0.25);
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); background: rgba(212,168,67,0.08); }
        .btn-lg { padding: 16px 42px; font-size: 1.05rem; }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            justify-content: center;
            margin-top: 64px;
            padding-top: 48px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat { text-align: center; }
        .hero-stat .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }
        @media (max-width: 768px) {
            .hero { min-height: 90vh; }
            .hero-content { padding: 60px 16px; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 24px; padding-top: 32px; margin-top: 40px; }
            .hero-stat .num { font-size: 1.8rem; }
        }

        /* ===== 倒计时 ===== */
        .countdown-wrap {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin: 32px 0 40px;
            flex-wrap: wrap;
        }
        .countdown-item {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-md);
            padding: 14px 24px;
            min-width: 80px;
            text-align: center;
            backdrop-filter: blur(4px);
        }
        .countdown-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .countdown-item .label {
            font-size: 0.75rem;
            color: rgba(255,255,255,0.45);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .countdown-item { padding: 10px 16px; min-width: 64px; }
            .countdown-item .num { font-size: 1.4rem; }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt { background: var(--bg-light); }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark .text-white { color: var(--text-white); }
        .section-dark p { color: rgba(255,255,255,0.7); }
        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }
        .section-header h2 { margin-bottom: 12px; }
        .section-header p { font-size: 1.1rem; }
        @media (max-width: 768px) { .section { padding: 60px 0; } .section-header { margin-bottom: 40px; } }

        /* ===== 卡片网格 ===== */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; gap: 20px; }
        }

        /* ===== 卡片 ===== */
        .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(-4px); box-shadow: var(--shadow-md); border-color: var(--accent); }
        .card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
        .card-body { padding: 24px; }
        .card-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .card-body p { font-size: 0.92rem; color: var(--text-secondary); margin-bottom: 0; }
        .card-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(212, 168, 67, 0.1);
            color: var(--accent-dark);
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 12px;
        }
        .card-date {
            display: block;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 12px;
        }
        .card-link { display: block; color: inherit; }
        .card-link:hover { color: inherit; }
        .card-alt {
            background: rgba(255,255,255,0.04);
            border-color: rgba(255,255,255,0.08);
        }
        .card-alt h3 { color: var(--text-white); }
        .card-alt p { color: rgba(255,255,255,0.6); }
        .card-alt .card-tag { background: rgba(212,168,67,0.15); color: var(--accent-light); }

        /* ===== 特色/图标卡片 ===== */
        .feature-card {
            text-align: center;
            padding: 40px 28px;
            border-radius: var(--radius-md);
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: var(--accent); }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: rgba(212, 168, 67, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.6rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon { background: var(--accent); color: var(--primary); }
        .feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
        .feature-card p { font-size: 0.9rem; margin-bottom: 0; }

        /* ===== 资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); transform: translateX(4px); }
        .news-item .thumb {
            width: 100px;
            min-height: 72px;
            border-radius: 8px;
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-light);
        }
        .news-item .info { flex: 1; }
        .news-item .info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 6px;
            transition: var(--transition);
        }
        .news-item:hover .info h4 { color: var(--accent-dark); }
        .news-item .info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .meta {
            display: flex;
            gap: 16px;
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 8px;
        }
        .news-item .meta span { display: flex; align-items: center; gap: 6px; }
        .news-empty {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-light);
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }
        @media (max-width: 640px) {
            .news-item { flex-direction: column; padding: 16px; }
            .news-item .thumb { width: 100%; aspect-ratio: 16/9; }
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--accent); }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover { color: var(--accent-dark); }
        .faq-question .icon { transition: var(--transition); font-size: 0.9rem; color: var(--text-light); }
        .faq-item.open .faq-question .icon { transform: rotate(180deg); color: var(--accent); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s 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;
        }
        .faq-dark .faq-item {
            background: rgba(255,255,255,0.04);
            border-color: rgba(255,255,255,0.08);
        }
        .faq-dark .faq-question { color: var(--text-white); }
        .faq-dark .faq-answer { color: rgba(255,255,255,0.6); }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 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;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: var(--text-white); margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 32px; font-size: 1.1rem; }
        .cta-section .btn-primary { font-size: 1.05rem; padding: 16px 44px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            padding: 60px 0 32px;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { margin-bottom: 16px; font-size: 1.2rem; }
        .footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.5); max-width: 320px; }
        .footer-social { display: flex; gap: 12px; margin-top: 20px; }
        .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(255,255,255,0.5);
            font-size: 1rem;
            transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.06);
        }
        .footer-social a:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); transform: translateY(-2px); }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.5);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            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(255,255,255,0.35); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 480px) {
            .footer-grid { grid-template-columns: 1fr; }
        }

        /* ===== 响应式通用 ===== */
        @media (max-width: 1024px) {
            .hero h1 { font-size: clamp(1.8rem, 5vw, 2.8rem); }
        }
        @media (max-width: 480px) {
            .btn-lg { padding: 14px 28px; font-size: 0.9rem; }
            .hero-actions { flex-direction: column; width: 100%; }
            .hero-actions .btn { width: 100%; justify-content: center; }
        }

        /* ===== 工具 ===== */
        .text-center { text-align: center; }
        .text-accent { color: var(--accent); }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .mt-48 { margin-top: 48px; }
        .mb-16 { margin-bottom: 16px; }
        .mb-24 { margin-bottom: 24px; }
        .mb-32 { margin-bottom: 32px; }
        .gap-16 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .w-full { width: 100%; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2d4a7a;
            --accent: #f4a261;
            --accent-light: #ffb87a;
            --bg-dark: #0b1a2e;
            --bg-mid: #112240;
            --bg-light: #f8f9fa;
            --bg-card: #ffffff;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dark: #1e293b;
            --text-secondary: #475569;
            --border-light: #e2e8f0;
            --border-card: rgba(255, 255, 255, 0.10);
            --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);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --transition: 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::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: 1.6;
            color: var(--text-dark);
            background: var(--bg-light);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button {
            font-family: inherit;
            font-size: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: 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-dark);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 排版辅助 ===== */
        .section-label {
            display: inline-block;
            font-size: 0.80rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--primary);
            background: rgba(230, 57, 70, 0.08);
            padding: 4px 14px;
            border-radius: 100px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-dark);
            letter-spacing: -0.02em;
        }
        .section-sub {
            font-size: 1.10rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header .section-sub {
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 1rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid var(--border-light);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.03em;
            gap: 6px;
            flex-shrink: 0;
        }
        .logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-size: 1.10rem;
            font-weight: 800;
            margin-right: 4px;
        }
        .logo span {
            color: var(--primary);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .main-nav a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            padding: 6px 0;
            position: relative;
            transition: color var(--transition);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: width var(--transition);
        }
        .main-nav a:hover {
            color: var(--text-dark);
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .main-nav a.active {
            color: var(--primary);
        }
        .main-nav a.active::after {
            width: 100%;
            background: var(--primary);
        }
        .main-nav .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff !important;
            padding: 10px 22px !important;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.90rem;
            transition: background var(--transition), transform var(--transition);
        }
        .main-nav .nav-cta::after {
            display: none;
        }
        .main-nav .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .main-nav .nav-cta i {
            font-size: 0.85rem;
        }

        /* 移动端菜单切换 */
        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-dark);
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 24px 20px 32px;
                gap: 16px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.40s ease, opacity 0.40s ease;
                box-shadow: var(--shadow-md);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .main-nav a {
                font-size: 1.05rem;
                padding: 10px 0;
                width: 100%;
                text-align: center;
            }
            .main-nav a::after {
                bottom: 4px;
            }
            .main-nav .nav-cta {
                justify-content: center;
                margin-top: 8px;
                width: 100%;
            }
        }

        /* ===== Hero / 首屏 ===== */
        .hero-live {
            position: relative;
            padding: 140px 0 80px;
            background: var(--bg-dark);
            color: var(--text-light);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-live .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.04);
            filter: brightness(0.7) saturate(1.1);
            will-change: transform;
        }
        .hero-live .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 26, 46, 0.92) 30%, rgba(230, 57, 70, 0.25) 100%);
        }
        .hero-live .container {
            position: relative;
            z-index: 2;
            width: 100%;
        }
        .hero-live .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.20);
            border: 1px solid rgba(230, 57, 70, 0.35);
            padding: 6px 18px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary-light);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-live .hero-badge i {
            font-size: 0.75rem;
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .hero-live h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.15;
            max-width: 720px;
            margin-bottom: 16px;
        }
        .hero-live h1 .highlight {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-live p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 560px;
            line-height: 1.8;
            margin-bottom: 28px;
        }
        .hero-live .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .hero-live .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            padding: 14px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }
        .hero-live .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.45);
        }
        .hero-live .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            color: var(--text-light);
            padding: 13px 28px;
            border-radius: 100px;
            font-weight: 500;
            font-size: 1rem;
            transition: background var(--transition), border-color var(--transition);
        }
        .hero-live .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.45);
        }
        .hero-live .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 32px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-live .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.90rem;
            color: var(--text-muted);
        }
        .hero-live .hero-meta-item i {
            color: var(--primary-light);
            font-size: 1rem;
        }
        .hero-live .hero-meta-item strong {
            color: var(--text-light);
            font-weight: 700;
        }
        @media (max-width: 768px) {
            .hero-live {
                padding: 110px 0 60px;
                min-height: auto;
            }
            .hero-live h1 {
                font-size: 2rem;
            }
            .hero-live p {
                font-size: 1rem;
            }
            .hero-live .hero-meta {
                gap: 16px;
            }
            .hero-live .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-live .btn-primary,
            .hero-live .btn-outline-light {
                justify-content: center;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .hero-live h1 {
                font-size: 1.6rem;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-light);
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-sub {
            color: var(--text-muted);
        }
        .section-mid {
            background: var(--bg-mid);
            color: var(--text-light);
        }
        .section-mid .section-title {
            color: #fff;
        }
        .section-mid .section-sub {
            color: var(--text-muted);
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
        }

        /* ===== 分类项目卡片 ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 20px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
        }
        .sport-card .icon-box {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: #fff;
        }
        .sport-card:nth-child(1) .icon-box {
            background: linear-gradient(135deg, #1a8c4a, #26b864);
        }
        .sport-card:nth-child(2) .icon-box {
            background: linear-gradient(135deg, #e66a2c, #ff8c42);
        }
        .sport-card:nth-child(3) .icon-box {
            background: linear-gradient(135deg, #2c7be6, #5a9cff);
        }
        .sport-card:nth-child(4) .icon-box {
            background: linear-gradient(135deg, #9b59b6, #c97ddb);
        }
        .sport-card h3 {
            font-size: 1.10rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .sport-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 14px;
        }
        .sport-card .badge-count {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 100px;
        }
        @media (max-width: 992px) {
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .sport-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .sport-card {
                padding: 20px 12px;
            }
            .sport-card .icon-box {
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }

        /* ===== 直播卡片 ===== */
        .live-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .live-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .live-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .live-card .card-img {
            position: relative;
            height: 180px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .live-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.50s ease;
        }
        .live-card:hover .card-img img {
            transform: scale(1.05);
        }
        .live-card .live-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 100px;
            display: flex;
            align-items: center;
            gap: 6px;
            letter-spacing: 0.03em;
        }
        .live-card .live-tag i {
            font-size: 0.55rem;
            animation: pulse-dot 1.4s infinite;
        }
        .live-card .card-body {
            padding: 18px 20px 22px;
        }
        .live-card .card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .live-card .card-body .match-info {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .live-card .card-body .match-score {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .live-card .card-body .match-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .live-card .card-footer {
            padding: 12px 20px;
            border-top: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .live-card .card-footer .btn-watch {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.80rem;
            font-weight: 600;
            transition: background var(--transition);
        }
        .live-card .card-footer .btn-watch:hover {
            background: var(--primary-dark);
        }
        @media (max-width: 992px) {
            .live-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .live-grid {
                grid-template-columns: 1fr;
            }
            .live-card .card-img {
                height: 160px;
            }
        }

        /* ===== 赛程时间线 ===== */
        .schedule-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 18px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            transition: box-shadow var(--transition), transform var(--transition);
        }
        .schedule-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .schedule-item .time {
            font-size: 0.90rem;
            font-weight: 700;
            color: var(--primary);
            min-width: 60px;
            text-align: center;
        }
        .schedule-item .teams {
            flex: 1;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
        }
        .schedule-item .league {
            font-size: 0.82rem;
            color: var(--text-secondary);
            background: var(--bg-light);
            padding: 2px 12px;
            border-radius: 100px;
        }
        .schedule-item .status {
            font-size: 0.80rem;
            font-weight: 500;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .schedule-item .status .dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
        }
        .schedule-item .status .dot.live {
            background: var(--primary);
            animation: pulse-dot 1.4s infinite;
        }
        @media (max-width: 640px) {
            .schedule-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .schedule-item .time {
                min-width: 50px;
                font-size: 0.80rem;
            }
            .schedule-item .teams {
                font-size: 0.90rem;
                width: 100%;
                order: 3;
            }
            .schedule-item .league {
                font-size: 0.75rem;
            }
        }

        /* ===== 优势特色卡片 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-card .feat-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 14px;
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            width: 64px;
            height: 64px;
            line-height: 64px;
            border-radius: 50%;
            text-align: center;
        }
        .feature-card h3 {
            font-size: 1.10rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-card p {
            font-size: 0.90rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        @media (max-width: 992px) {
            .feature-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            gap: 16px;
            user-select: none;
        }
        .faq-question i {
            font-size: 1rem;
            color: var(--text-muted);
            transition: transform 0.30s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.8;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.92rem;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            transform: scale(1.06);
            filter: brightness(0.6);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 24px;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .cta-section p {
            font-size: 1.10rem;
            color: var(--text-muted);
            max-width: 520px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            padding: 16px 40px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 4px 24px rgba(230, 57, 70, 0.40);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
        }
        .cta-section .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(230, 57, 70, 0.50);
        }
        @media (max-width: 768px) {
            .cta-section .container {
                padding: 56px 16px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .cta-section .btn-cta {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0b1625;
            color: var(--text-muted);
            padding: 60px 0 0;
        }
        .site-footer .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .footer-brand .logo span {
            color: var(--primary);
        }
        .footer-brand p {
            font-size: 0.90rem;
            line-height: 1.8;
            color: var(--text-muted);
            max-width: 360px;
            margin-bottom: 20px;
        }
        .footer-social {
            display: flex;
            gap: 14px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted);
            font-size: 1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0 32px;
            font-size: 0.82rem;
            color: var(--text-muted);
            gap: 12px;
        }
        .footer-bottom a {
            color: var(--primary-light);
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }
        @media (max-width: 992px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

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

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .hero-live .hero-meta-item {
                font-size: 0.80rem;
            }
            .sport-card h3 {
                font-size: 0.95rem;
            }
            .sport-card p {
                font-size: 0.78rem;
            }
            .live-card .card-body h3 {
                font-size: 0.95rem;
            }
            .feature-card {
                padding: 24px 16px 20px;
            }
            .feature-card .feat-icon {
                width: 52px;
                height: 52px;
                line-height: 52px;
                font-size: 1.5rem;
            }
        }

/* roulang page: article */
:root {
    --primary: #1a237e;
    --primary-light: #283593;
    --primary-dark: #0d1452;
    --accent: #d32f2f;
    --accent-light: #e53935;
    --accent-glow: #ff6b6b;
    --gold: #f9a825;
    --gold-light: #fdd835;
    --bg: #f5f7fa;
    --bg-deep: #e8ecf1;
    --bg-card: #ffffff;
    --bg-dark: #12122a;
    --text-primary: #1a1a2e;
    --text-secondary: #5a5a7a;
    --text-muted: #9a9ab0;
    --text-inverse: #ffffff;
    --border: #e0e4e8;
    --border-light: #f0f2f5;
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    --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 12px 40px rgba(0,0,0,0.12);
    --shadow-xl: 0 24px 60px rgba(0,0,0,0.16);
    --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --container-max: 1200px;
    --header-h: 72px;
}
*, *::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);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button { cursor: pointer; border: none; background: none; font-family: inherit; font-size: inherit; }
input, textarea { font-family: inherit; font-size: inherit; outline: none; border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 10px 16px; transition: var(--transition); }
input:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,35,126,0.1); }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
.container { width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== HEADER ===== */
.site-header {
    position: fixed; top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: rgba(255,255,255,0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }
.header-inner {
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-h);
}
.logo {
    display: flex; align-items: center; gap: 6px;
    font-size: 22px; font-weight: 800; letter-spacing: -0.5px;
    color: var(--primary);
}
.logo .logo-icon {
    display: inline-flex; align-items: center; justify-content: center;
    width: 36px; height: 36px; background: var(--primary); color: #fff;
    border-radius: 8px; font-size: 18px; font-weight: 900;
}
.logo span { color: var(--accent); }
.main-nav { display: flex; align-items: center; gap: 8px; }
.main-nav a {
    padding: 8px 18px; border-radius: var(--radius-sm);
    font-size: 15px; font-weight: 500; color: var(--text-secondary);
    transition: var(--transition); position: relative;
}
.main-nav a:hover { color: var(--primary); background: rgba(26,35,126,0.06); }
.main-nav a.active { color: var(--primary); font-weight: 600; }
.main-nav a.active::after {
    content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
    width: 20px; height: 3px; background: var(--accent); border-radius: 2px;
}
.main-nav a.nav-cta {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: #fff !important; padding: 8px 22px; border-radius: 50px;
    font-weight: 600; font-size: 14px; box-shadow: 0 4px 12px rgba(211,47,47,0.3);
}
.main-nav a.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(211,47,47,0.4); }
.main-nav a.nav-cta i { margin-right: 6px; }
.menu-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; font-size: 22px; color: var(--text-primary); border-radius: var(--radius-sm); }
.menu-toggle:hover { background: var(--bg-deep); }
@media (max-width: 768px) {
    .main-nav { position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px 24px; gap: 4px; border-bottom: 1px solid var(--border); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); box-shadow: var(--shadow-lg); }
    .main-nav.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
    .main-nav a { width: 100%; padding: 12px 16px; border-radius: var(--radius-md); }
    .main-nav a.active::after { display: none; }
    .main-nav a.active { background: rgba(26,35,126,0.08); }
    .main-nav a.nav-cta { text-align: center; margin-top: 8px; }
    .menu-toggle { display: flex; }
}

/* ===== HERO BANNER ===== */
.article-banner {
    margin-top: var(--header-h);
    position: relative;
    min-height: 360px;
    display: flex; align-items: center;
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    overflow: hidden;
}
.article-banner::before {
    content: '';
    position: absolute; inset: 0;
    background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
    opacity: 0.18;
    mix-blend-mode: overlay;
}
.article-banner::after {
    content: ''; position: absolute; inset: 0;
    background: linear-gradient(90deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.25) 100%);
}
.article-banner .container { position: relative; z-index: 2; padding-top: 40px; padding-bottom: 40px; }
.banner-meta {
    display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px;
    margin-bottom: 16px;
}
.banner-category {
    display: inline-block; padding: 4px 16px; background: var(--accent); color: #fff;
    border-radius: 50px; font-size: 13px; font-weight: 600; letter-spacing: 0.3px;
}
.banner-date {
    color: rgba(255,255,255,0.7); font-size: 14px; display: flex; align-items: center; gap: 6px;
}
.banner-date i { font-size: 13px; }
.article-banner h1 {
    font-size: 40px; font-weight: 800; color: #fff;
    max-width: 900px; line-height: 1.25; letter-spacing: -0.5px;
    margin-bottom: 16px;
}
.article-banner .banner-desc {
    font-size: 18px; color: rgba(255,255,255,0.8);
    max-width: 700px; line-height: 1.6;
}
@media (max-width: 768px) {
    .article-banner { min-height: 280px; }
    .article-banner h1 { font-size: 28px; }
    .article-banner .banner-desc { font-size: 15px; }
}
@media (max-width: 520px) {
    .article-banner h1 { font-size: 22px; }
    .article-banner { min-height: 220px; }
}

/* ===== MAIN CONTENT ===== */
.main-wrap { padding: 48px 0 64px; }
.main-grid { display: grid; grid-template-columns: 1fr 320px; gap: 48px; }
@media (max-width: 1024px) { .main-grid { grid-template-columns: 1fr; gap: 36px; } }

.article-body { min-height: 300px; }
.article-content {
    background: var(--bg-card); border-radius: var(--radius-lg);
    padding: 40px 48px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
}
.article-content h2 { font-size: 26px; margin: 36px 0 16px; color: var(--primary); }
.article-content h3 { font-size: 20px; margin: 28px 0 12px; color: var(--text-primary); }
.article-content p { margin-bottom: 18px; color: var(--text-secondary); font-size: 16px; line-height: 1.8; }
.article-content ul, .article-content ol { margin: 16px 0 20px; padding-left: 24px; }
.article-content li { margin-bottom: 8px; color: var(--text-secondary); position: relative; }
.article-content ul li::before { content: '•'; color: var(--accent); font-weight: 700; position: absolute; left: -18px; }
.article-content ol { list-style: decimal; }
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--accent); }
.article-content blockquote {
    border-left: 4px solid var(--accent); background: rgba(211,47,47,0.05);
    padding: 16px 24px; 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-md); margin: 24px 0; width: 100%; }
.article-content .highlight { background: rgba(249,168,37,0.12); padding: 0 4px; border-radius: 3px; }
@media (max-width: 768px) {
    .article-content { padding: 24px 20px; }
    .article-content h2 { font-size: 22px; }
    .article-content p { font-size: 15px; }
}

/* ===== NOT FOUND ===== */
.not-found-box {
    background: var(--bg-card); border-radius: var(--radius-lg);
    padding: 60px 48px; text-align: center; box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}
.not-found-box i { font-size: 56px; color: var(--text-muted); margin-bottom: 16px; }
.not-found-box h2 { font-size: 28px; color: var(--text-primary); margin-bottom: 12px; }
.not-found-box p { color: var(--text-secondary); font-size: 16px; margin-bottom: 24px; }
.not-found-box .btn-back { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; background: var(--primary); color: #fff; border-radius: 50px; font-weight: 600; transition: var(--transition); }
.not-found-box .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

/* ===== SIDEBAR ===== */
.sidebar { display: flex; flex-direction: column; gap: 32px; }
.sidebar-card {
    background: var(--bg-card); border-radius: var(--radius-lg);
    padding: 28px 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
}
.sidebar-card h3 { font-size: 18px; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); display: inline-block; }
.sidebar-card h3 i { margin-right: 8px; color: var(--accent); }
.sidebar-list { display: flex; flex-direction: column; gap: 12px; }
.sidebar-list a {
    display: flex; align-items: center; gap: 10px; padding: 10px 14px;
    border-radius: var(--radius-sm); color: var(--text-secondary);
    transition: var(--transition); font-size: 14px;
}
.sidebar-list a:hover { background: rgba(26,35,126,0.06); color: var(--primary); }
.sidebar-list a i { width: 20px; color: var(--accent); font-size: 14px; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.sidebar-tags a {
    padding: 4px 14px; border-radius: 50px; font-size: 13px;
    background: var(--bg); color: var(--text-secondary);
    border: 1px solid var(--border); transition: var(--transition);
}
.sidebar-tags a:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.sidebar-cta {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    color: #fff; border: none;
}
.sidebar-cta h3 { color: #fff; border-bottom-color: rgba(255,255,255,0.3); }
.sidebar-cta h3 i { color: var(--gold); }
.sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 14px; margin-bottom: 16px; line-height: 1.6; }
.sidebar-cta .btn-cta {
    display: inline-block; padding: 10px 28px; background: var(--accent); color: #fff;
    border-radius: 50px; font-weight: 600; font-size: 14px;
    box-shadow: 0 4px 16px rgba(211,47,47,0.3); transition: var(--transition);
}
.sidebar-cta .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(211,47,47,0.4); }
@media (max-width: 1024px) {
    .sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 768px) { .sidebar { grid-template-columns: 1fr; } }

/* ===== SHARE BAR ===== */
.share-bar {
    display: flex; align-items: center; flex-wrap: wrap; gap: 12px;
    margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border-light);
}
.share-bar span { font-size: 14px; color: var(--text-muted); font-weight: 500; }
.share-bar a {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: var(--bg); color: var(--text-secondary);
    border: 1px solid var(--border); transition: var(--transition);
    font-size: 16px;
}
.share-bar a:hover { transform: translateY(-2px); box-shadow: var(--shadow-sm); }
.share-bar a.share-weixin:hover { background: #07c160; color: #fff; border-color: #07c160; }
.share-bar a.share-weibo:hover { background: #e6162d; color: #fff; border-color: #e6162d; }
.share-bar a.share-twitter:hover { background: #1da1f2; color: #fff; border-color: #1da1f2; }
.share-bar a.share-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ===== RELATED SECTION ===== */
.related-section { padding: 48px 0; }
.related-section .section-title { font-size: 26px; margin-bottom: 8px; color: var(--primary); }
.related-section .section-sub { color: var(--text-muted); margin-bottom: 32px; font-size: 15px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
    background: var(--bg-card); border-radius: var(--radius-lg);
    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 .card-img {
    width: 100%; height: 180px; object-fit: cover; display: block;
    background: var(--bg-deep);
}
.related-card .card-body { padding: 18px 20px 20px; }
.related-card .card-body h4 { font-size: 16px; font-weight: 600; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-body p { font-size: 13px; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-body .card-meta { display: flex; align-items: center; gap: 12px; margin-top: 10px; font-size: 12px; color: var(--text-muted); }
@media (max-width: 1024px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .related-grid { grid-template-columns: 1fr; } }

/* ===== CTA SECTION ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
    padding: 64px 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 { font-size: 34px; color: #fff; margin-bottom: 12px; }
.cta-section p { font-size: 17px; color: rgba(255,255,255,0.8); margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-section .btn-cta-big {
    display: inline-flex; align-items: center; gap: 10px;
    padding: 14px 40px; background: var(--accent); color: #fff;
    border-radius: 50px; font-size: 17px; font-weight: 700;
    box-shadow: 0 8px 32px rgba(211,47,47,0.35);
    transition: var(--transition);
}
.cta-section .btn-cta-big:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(211,47,47,0.45); }
.cta-section .btn-cta-big i { font-size: 18px; }
@media (max-width: 768px) {
    .cta-section { padding: 48px 0; }
    .cta-section h2 { font-size: 26px; }
    .cta-section p { font-size: 15px; }
}

/* ===== BREADCRUMB ===== */
.breadcrumb {
    padding: 16px 0; font-size: 13px; color: var(--text-muted);
    display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
}
.breadcrumb a { color: var(--primary); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span { color: var(--text-muted); }
.breadcrumb i { font-size: 12px; color: var(--text-muted); }

/* ===== FOOTER ===== */
.site-footer {
    background: var(--bg-dark); color: rgba(255,255,255,0.85);
    padding: 60px 0 0;
}
.site-footer .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; display: inline-flex; }
.footer-brand .logo span { color: var(--accent); }
.footer-brand .logo .logo-icon { background: var(--accent); }
.footer-brand p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); margin-bottom: 20px; max-width: 360px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
    display: flex; align-items: center; justify-content: center;
    width: 40px; height: 40px; border-radius: 50%;
    background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.7);
    font-size: 18px; transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 18px; font-weight: 600; }
.footer-col a {
    display: block; color: rgba(255,255,255,0.55); font-size: 14px;
    padding: 5px 0; transition: var(--transition);
}
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 24px 0; display: flex; align-items: center; justify-content: space-between;
    flex-wrap: wrap; gap: 12px; font-size: 13px; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.6); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 1024px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr; gap: 28px; } .footer-bottom { flex-direction: column; text-align: center; } }

/* ===== UTILITY ===== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.gap-8 { gap: 8px; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ===== SKELETON LOADING ===== */
@keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }
.skeleton {
    background: linear-gradient(90deg, var(--bg-deep) 25%, #f0f2f5 50%, var(--bg-deep) 75%);
    background-size: 200% 100%; animation: shimmer 1.5s infinite; border-radius: var(--radius-sm);
}