/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0b1a2e;
            --primary-light: #132a44;
            --accent: #e8a838;
            --accent-hover: #d4952f;
            --accent-light: #fef3e0;
            --bg-light: #f6f8fa;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d3a4a;
            --text-muted: #6c7a8a;
            --border-color: #e2e8f0;
            --shadow-sm: 0 2px 8px rgba(11,26,46,0.06);
            --shadow-md: 0 6px 24px rgba(11,26,46,0.10);
            --shadow-lg: 0 16px 48px rgba(11,26,46,0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --font-base: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== 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-base);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; }
        ul, ol { padding-left: 1.2rem; }

        /* ===== Container ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        .section-padding { padding: 5rem 0; }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto 3rem;
        }
        @media (max-width: 768px) {
            .section-padding { padding: 3rem 0; }
            .section-title { font-size: 1.7rem; }
            .section-subtitle { font-size: 1rem; margin-bottom: 2rem; }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
        }
        .navbar {
            padding: 0.75rem 0;
        }
        .navbar-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: -0.03em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .navbar-brand i {
            color: var(--accent);
            font-size: 1.8rem;
        }
        .navbar-nav .nav-link {
            font-weight: 500;
            color: var(--text-body) !important;
            padding: 0.5rem 1.1rem !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus {
            color: var(--primary) !important;
            background: var(--accent-light);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent) !important;
            font-weight: 600;
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 1.1rem;
            right: 1.1rem;
            height: 3px;
            background: var(--accent);
            border-radius: 3px;
        }
        .navbar-toggler {
            border: none;
            font-size: 1.4rem;
            color: var(--primary);
            padding: 0.25rem 0.5rem;
        }
        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(232,168,56,0.25);
        }
        @media (max-width: 991px) {
            .navbar-nav .nav-link.active::after { display: none; }
            .navbar-nav .nav-link { padding: 0.6rem 1rem !important; }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 86vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            overflow: hidden;
            margin-top: -1px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,26,46,0.82) 0%, rgba(11,26,46,0.60) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            padding: 2rem 1.5rem;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(232,168,56,0.18);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 0.35rem 1.2rem;
            border-radius: 50px;
            border: 1px solid rgba(232,168,56,0.3);
            margin-bottom: 1.5rem;
            letter-spacing: 0.03em;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 12px rgba(0,0,0,0.2);
        }
        .hero-title span { color: var(--accent); }
        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.85);
            max-width: 660px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
        .btn-accent {
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            padding: 0.8rem 2.6rem;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            font-size: 1.05rem;
            box-shadow: 0 4px 16px rgba(232,168,56,0.35);
        }
        .btn-accent:hover, .btn-accent:focus {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,168,56,0.40);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.5);
            font-weight: 600;
            padding: 0.8rem 2.6rem;
            border-radius: 50px;
            transition: var(--transition);
            font-size: 1.05rem;
        }
        .btn-outline-light:hover, .btn-outline-light:focus {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-section { min-height: 70vh; }
            .hero-title { font-size: 2.1rem; }
            .hero-desc { font-size: 1rem; }
            .btn-accent, .btn-outline-light { padding: 0.65rem 1.8rem; font-size: 0.95rem; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 1.7rem; }
            .hero-desc { font-size: 0.92rem; }
        }

        /* ===== Features / Core Advantages ===== */
        .features-section {
            background: var(--bg-white);
        }
        .feature-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 2.2rem 1.8rem;
            height: 100%;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(232,168,56,0.25);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            background: var(--accent-light);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 1.2rem;
        }
        .feature-card h5 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.6rem;
        }
        .feature-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .feature-card .card-img-top {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 1rem;
        }

        /* ===== Sports Categories ===== */
        .sports-section {
            background: var(--bg-light);
        }
        .sport-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.2rem;
            text-align: center;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .sport-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .sport-icon {
            font-size: 2.6rem;
            color: var(--accent);
            margin-bottom: 0.75rem;
        }
        .sport-item h6 {
            font-weight: 700;
            color: var(--primary);
            font-size: 1rem;
            margin-bottom: 0.25rem;
        }
        .sport-item small {
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== Latest News / CMS List ===== */
        .news-section {
            background: var(--bg-white);
        }
        .news-card {
            display: flex;
            gap: 1.5rem;
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            margin-bottom: 1.2rem;
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232,168,56,0.2);
            transform: translateY(-2px);
        }
        .news-thumb {
            flex: 0 0 160px;
            height: 110px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            background: var(--border-color);
        }
        .news-body { flex: 1; }
        .news-body .news-category {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.15rem 0.8rem;
            border-radius: 50px;
            margin-bottom: 0.4rem;
        }
        .news-body h5 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.4rem;
            line-height: 1.4;
        }
        .news-body h5 a { color: inherit; }
        .news-body h5 a:hover { color: var(--accent); }
        .news-body .news-excerpt {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0.5rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-body .news-meta {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .news-body .news-meta i { margin-right: 0.3rem; }
        .empty-news {
            text-align: center;
            padding: 3rem 1rem;
            color: var(--text-muted);
            background: var(--bg-light);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }
        .empty-news i { font-size: 2.4rem; color: var(--border-color); margin-bottom: 0.8rem; }
        @media (max-width: 768px) {
            .news-card { flex-direction: column; padding: 1rem; }
            .news-thumb { flex: 0 0 auto; width: 100%; height: 180px; }
        }

        /* ===== Stats / Social Proof ===== */
        .stats-section {
            background: var(--primary);
            color: #fff;
        }
        .stats-section .stat-item {
            text-align: center;
            padding: 1.5rem 0.5rem;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 1rem;
            color: rgba(255,255,255,0.75);
            margin-top: 0.3rem;
        }
        @media (max-width: 768px) {
            .stat-number { font-size: 2.2rem; }
        }

        /* ===== Category Intro ===== */
        .category-intro {
            background: var(--bg-light);
        }
        .category-intro .intro-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            height: 100%;
        }
        .intro-card .intro-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 1.2rem;
        }
        .intro-card h4 {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.6rem;
        }
        .intro-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .intro-card .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1rem;
        }
        .intro-card .tag-list .badge-tag {
            background: var(--accent-light);
            color: var(--accent-hover);
            font-weight: 500;
            font-size: 0.82rem;
            padding: 0.25rem 1rem;
            border-radius: 50px;
        }
        @media (max-width: 768px) {
            .category-intro .intro-card { padding: 1.5rem; }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            overflow: hidden;
            background: var(--bg-light);
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(232,168,56,0.3); }
        .faq-question {
            padding: 1.2rem 1.5rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1.02rem;
            transition: var(--transition);
        }
        .faq-question:focus { outline: 2px solid var(--accent); outline-offset: -2px; border-radius: var(--radius-md); }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 1.1rem; }
        .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .faq-question { padding: 1rem 1.2rem; font-size: 0.95rem; }
            .faq-answer { padding: 0 1.2rem 1rem; }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: url('/assets/images/backpic/back-2.webp') center center / cover no-repeat fixed;
            position: relative;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,26,46,0.80) 0%, rgba(11,26,46,0.65) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 4rem 1.5rem;
        }
        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 1rem;
        }
        .cta-content p {
            color: rgba(255,255,255,0.85);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-content .btn-accent { font-size: 1.1rem; padding: 0.9rem 3rem; }
        @media (max-width: 768px) {
            .cta-content h2 { font-size: 1.7rem; }
            .cta-content p { font-size: 0.95rem; }
            .cta-content .btn-accent { padding: 0.7rem 2rem; font-size: 0.95rem; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,0.7);
            padding: 3.5rem 0 1.5rem;
        }
        .footer-brand {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.5rem;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-brand i { color: var(--accent); }
        .footer-desc {
            font-size: 0.92rem;
            max-width: 320px;
            margin-bottom: 1.5rem;
        }
        .footer-heading {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 1.2rem;
        }
        .footer-links { list-style: none; padding: 0; margin: 0; }
        .footer-links li { margin-bottom: 0.5rem; }
        .footer-links a {
            color: rgba(255,255,255,0.6);
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--accent); padding-left: 4px; }
        .footer-divider {
            border-color: rgba(255,255,255,0.1);
            margin: 2rem 0 1.2rem;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 768px) {
            .site-footer { padding: 2.5rem 0 1rem; }
            .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
        }

        /* ===== Utilities ===== */
        .text-accent { color: var(--accent); }
        .bg-accent-light { background: var(--accent-light); }
        .shadow-hover { transition: var(--transition); }
        .shadow-hover:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .rounded-12 { border-radius: var(--radius-md); }
        .border-accent { border-color: rgba(232,168,56,0.25) !important; }

        /* ===== Buttons & Tags ===== */
        .btn-outline-accent {
            background: transparent;
            color: var(--accent);
            border: 2px solid var(--accent);
            font-weight: 600;
            padding: 0.6rem 1.8rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .btn-outline-accent:hover, .btn-outline-accent:focus {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 4px 16px rgba(232,168,56,0.3);
        }
        .tag-pill {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-hover);
            font-size: 0.78rem;
            font-weight: 500;
            padding: 0.2rem 1rem;
            border-radius: 50px;
            transition: var(--transition);
        }
        .tag-pill:hover { background: var(--accent); color: #fff; }

        /* ===== Responsive Fine-tune ===== */
        @media (max-width: 576px) {
            .container { padding: 0 1rem; }
            .section-title { font-size: 1.5rem; }
            .hero-title { font-size: 1.5rem; }
            .feature-card { padding: 1.5rem 1rem; }
            .news-thumb { height: 150px; }
            .stat-number { font-size: 1.8rem; }
            .intro-card .intro-img { height: 160px; }
            .cta-content h2 { font-size: 1.4rem; }
            .footer-brand { font-size: 1.3rem; }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1e3a;
            --primary-light: #1a2f54;
            --primary-dark: #0a1428;
            --secondary: #c9a84c;
            --secondary-light: #e0c66a;
            --secondary-dark: #a8882e;
            --bg-white: #ffffff;
            --bg-light: #f8f7f4;
            --bg-dark: #0f1e3a;
            --bg-card: #ffffff;
            --text: #1e1e1e;
            --text-light: #5a5a5a;
            --text-muted: #8a8a8a;
            --text-on-dark: #f0ede8;
            --border: #e5e3df;
            --border-light: #f0efe8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --shadow-gold: 0 4px 20px rgba(201,168,76,0.25);
            --font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
            --transition: all 0.25s ease;
            --max-width: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            color: var(--text);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        a:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 2px; }
        button { cursor: pointer; font-family: inherit; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
        ul, ol { list-style: none; padding: 0; }

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text); }
        h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
        h2 { font-size: 1.8rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
        }
        .navbar {
            padding: 0;
            min-height: 64px;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary) !important;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.02em;
            padding: 12px 0;
        }
        .navbar-brand i {
            color: var(--secondary);
            font-size: 1.6rem;
        }
        .navbar-brand:hover { color: var(--primary) !important; }
        .navbar-nav .nav-link {
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link:focus-visible {
            color: var(--secondary);
            background: rgba(201,168,76,0.08);
        }
        .navbar-nav .nav-link.active {
            color: var(--secondary) !important;
            background: rgba(201,168,76,0.12);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--secondary);
            border-radius: 2px;
        }
        .navbar-toggler {
            border: none;
            color: var(--primary);
            font-size: 1.4rem;
            padding: 4px 8px;
        }
        .navbar-toggler:focus { box-shadow: none; }

        /* ===== Hero / Banner (Article) ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--primary-dark);
            color: var(--text-on-dark);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            opacity: 0.35;
            z-index: 0;
        }
        .article-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,30,58,0.88) 0%, rgba(15,30,58,0.60) 100%);
            z-index: 1;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 20px;
            font-size: 0.9rem;
        }
        .article-hero .breadcrumb-item a { color: rgba(240,237,232,0.7); }
        .article-hero .breadcrumb-item a:hover { color: var(--secondary); }
        .article-hero .breadcrumb-item.active { color: var(--text-on-dark); }
        .breadcrumb-item + .breadcrumb-item::before { color: rgba(240,237,232,0.4); }
        .article-hero .category-badge {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .article-hero h1 {
            color: var(--text-on-dark);
            font-size: 2.6rem;
            font-weight: 800;
            max-width: 900px;
            line-height: 1.2;
            margin-bottom: 18px;
        }
        .article-hero .meta-info {
            display: flex;
            flex-wrap: wrap;
            gap: 20px 32px;
            font-size: 0.9rem;
            color: rgba(240,237,232,0.75);
        }
        .article-hero .meta-info i { margin-right: 6px; color: var(--secondary); }

        /* ===== Article Content ===== */
        .article-section {
            padding: 50px 0 60px;
            background: var(--bg-white);
        }
        .article-body {
            max-width: 860px;
            margin: 0 auto;
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body p { margin-bottom: 1.4rem; }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 2rem;
            margin-bottom: 1rem;
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.8rem auto;
            box-shadow: var(--shadow-md);
        }
        .article-body blockquote {
            border-left: 4px solid var(--secondary);
            background: var(--bg-light);
            padding: 18px 24px;
            margin: 1.8rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-body ul, .article-body ol {
            margin: 1rem 0 1.4rem 1.6rem;
        }
        .article-body li { margin-bottom: 0.5rem; }
        .article-body a { color: var(--secondary-dark); border-bottom: 1px solid transparent; }
        .article-body a:hover { border-bottom-color: var(--secondary); }

        /* ===== Article Footer ===== */
        .article-footer-info {
            max-width: 860px;
            margin: 30px auto 0;
            padding-top: 28px;
            border-top: 1px solid var(--border);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .article-footer-info .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-footer-info .tags .tag {
            background: var(--bg-light);
            color: var(--text-light);
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-footer-info .tags .tag:hover { background: var(--secondary); color: var(--primary-dark); }
        .article-footer-info .share-links {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .article-footer-info .share-links span { font-size: 0.85rem; color: var(--text-muted); }
        .article-footer-info .share-links a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-light);
            transition: var(--transition);
        }
        .article-footer-info .share-links a:hover { background: var(--secondary); color: var(--primary-dark); }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 56px 0 60px;
            background: var(--bg-light);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 { font-size: 1.6rem; position: relative; display: inline-block; }
        .related-section .section-title h2::after {
            content: '';
            display: block;
            width: 48px;
            height: 3px;
            background: var(--secondary);
            margin: 12px auto 0;
            border-radius: 2px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .related-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--border-light);
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body {
            padding: 18px 20px 22px;
        }
        .related-card .card-body .card-cat {
            font-size: 0.75rem;
            color: var(--secondary-dark);
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .related-card .card-body h5 a { color: var(--text); }
        .related-card .card-body h5 a:hover { color: var(--secondary); }
        .related-card .card-body .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 56px 0 60px;
            background: var(--primary-dark);
            color: var(--text-on-dark);
            text-align: center;
        }
        .cta-section h2 {
            color: var(--text-on-dark);
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(240,237,232,0.7);
            max-width: 600px;
            margin: 0 auto 24px;
        }
        .cta-section .btn-cta {
            display: inline-block;
            background: var(--secondary);
            color: var(--primary-dark);
            padding: 12px 40px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: 2px solid transparent;
        }
        .cta-section .btn-cta:hover {
            background: transparent;
            color: var(--secondary);
            border-color: var(--secondary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-gold);
        }
        .cta-section .btn-cta:focus-visible {
            outline: 2px solid var(--secondary);
            outline-offset: 4px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(240,237,232,0.8);
            padding: 48px 0 32px;
            font-size: 0.9rem;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-on-dark);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand i { color: var(--secondary); }
        .footer-desc { max-width: 400px; margin-bottom: 18px; color: rgba(240,237,232,0.6); }
        .site-footer .d-flex a {
            color: rgba(240,237,232,0.5);
            transition: var(--transition);
            font-size: 1.2rem;
        }
        .site-footer .d-flex a:hover { color: var(--secondary); }
        .footer-heading {
            color: var(--text-on-dark);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-links li { margin-bottom: 8px; }
        .footer-links a {
            color: rgba(240,237,232,0.6);
            transition: var(--transition);
        }
        .footer-links a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-divider {
            border-color: rgba(255,255,255,0.08);
            margin: 28px 0 18px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 8px;
            font-size: 0.8rem;
            color: rgba(240,237,232,0.4);
        }
        .footer-bottom a { color: rgba(240,237,232,0.5); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== 404 State ===== */
        .not-found-box {
            max-width: 600px;
            margin: 0 auto;
            text-align: center;
            padding: 60px 20px;
        }
        .not-found-box .icon { font-size: 3.6rem; color: var(--text-muted); margin-bottom: 20px; }
        .not-found-box h2 { font-size: 1.6rem; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; }
        .not-found-box .btn-home {
            display: inline-block;
            background: var(--primary);
            color: var(--text-on-dark);
            padding: 10px 32px;
            border-radius: 40px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-home:hover { background: var(--secondary); color: var(--primary-dark); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-hero h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .navbar-brand { font-size: 1.25rem; }
            .navbar-nav .nav-link { padding: 10px 0 !important; text-align: center; }
            .navbar-nav .nav-link.active::after { display: none; }
            .article-hero { padding: 60px 0 40px; min-height: 240px; }
            .article-hero h1 { font-size: 1.6rem; }
            .article-hero .meta-info { gap: 12px 20px; font-size: 0.8rem; }
            .article-body { font-size: 0.95rem; }
            .article-footer-info { flex-direction: column; align-items: flex-start; }
            .related-section .section-title h2 { font-size: 1.3rem; }
            .cta-section h2 { font-size: 1.3rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 1.35rem; }
            .article-hero { padding: 44px 0 32px; min-height: 200px; }
            .article-hero .category-badge { font-size: 0.7rem; padding: 2px 12px; }
            .article-body { font-size: 0.9rem; }
            .related-card .card-body { padding: 14px 16px; }
            .cta-section .btn-cta { padding: 10px 28px; font-size: 0.9rem; }
            .not-found-box { padding: 40px 16px; }
            .not-found-box .icon { font-size: 2.8rem; }
        }

        /* ===== Misc Utilities ===== */
        .bg-soft-secondary { background: rgba(201,168,76,0.06); }
        .text-gold { color: var(--secondary); }

        /* ===== Print ===== */
        @media print {
            .site-header, .site-footer, .cta-section, .related-section, .article-footer-info .share-links { display: none; }
            .article-hero { background: var(--bg-white) !important; color: var(--text) !important; padding: 20px 0; min-height: auto; }
            .article-hero h1 { color: var(--text); }
            .article-hero-bg, .article-hero-overlay { display: none; }
            .article-hero .breadcrumb-item a { color: var(--text-light); }
            .article-hero .breadcrumb-item.active { color: var(--text); }
            .article-hero .meta-info { color: var(--text-muted); }
        }

/* roulang page: category1 */
:root {
            --primary: #d42a1e;
            --primary-dark: #b01f15;
            --primary-light: #f05a4e;
            --secondary: #1a2a3a;
            --accent: #f7c948;
            --bg-light: #f8f9fc;
            --bg-dark: #0f1923;
            --bg-card: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-muted: #6c757d;
            --text-light: #f1f3f5;
            --border-color: #e9ecef;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 48px rgba(212, 42, 30, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

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

        body {
            font-family: var(--font-sans);
            color: var(--text-body);
            background: var(--bg-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary-dark);
        }
        a:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            transition: var(--transition);
        }
        .site-header .navbar {
            padding: 12px 0;
        }
        .navbar-brand {
            font-weight: 800;
            font-size: 1.5rem;
            color: var(--primary) !important;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .navbar-brand i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .navbar-brand:hover {
            color: var(--primary-dark) !important;
            transform: scale(1.02);
        }
        .navbar-toggler {
            border: none;
            background: transparent;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 4px 8px;
        }
        .navbar-toggler:hover {
            color: var(--primary);
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        .nav-link {
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark) !important;
            padding: 8px 18px !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
            position: relative;
        }
        .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(212, 42, 30, 0.06);
        }
        .nav-link.active {
            color: var(--primary) !important;
            background: rgba(212, 42, 30, 0.1);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }

        /* ===== Hero ===== */
        .hero-section {
            padding: 140px 0 100px;
            background: linear-gradient(135deg, rgba(15, 25, 35, 0.88) 0%, rgba(30, 20, 30, 0.8) 100%), url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
            min-height: 620px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light), transparent);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            padding: 8px 22px;
            border-radius: 50px;
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .hero-badge i {
            color: var(--accent);
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero-title span {
            color: var(--accent);
            position: relative;
        }
        .hero-sub {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 660px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .btn-primary-custom {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(212, 42, 30, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(212, 42, 30, 0.45);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: 0 4px 12px rgba(212, 42, 30, 0.3);
        }
        .btn-outline-light-custom {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }
        .btn-outline-light-custom:active {
            transform: translateY(0);
        }

        /* ===== Section通用 ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-top {
            padding-top: 80px;
        }
        .section-pad-bottom {
            padding-bottom: 80px;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(212, 42, 30, 0.08);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 18px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.25;
        }
        .section-sub {
            font-size: 1.08rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .section-title-light {
            color: #fff;
        }
        .section-sub-light {
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 优势卡片 ===== */
        .advantage-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px 32px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }
        .advantage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }
        .advantage-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 42, 30, 0.2);
        }
        .advantage-card:hover::before {
            opacity: 1;
        }
        .advantage-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin-bottom: 20px;
            background: rgba(212, 42, 30, 0.08);
            color: var(--primary);
        }
        .advantage-card h4 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .advantage-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ===== 覆盖赛事 ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            text-align: center;
            padding-bottom: 20px;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 42, 30, 0.15);
        }
        .sport-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .sport-card h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin: 16px 0 6px;
        }
        .sport-card span {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, #1a2a3a 100%);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: rgba(212, 42, 30, 0.08);
            pointer-events: none;
        }
        .stat-item {
            text-align: center;
            padding: 20px 12px;
        }
        .stat-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }
        .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }
        .stat-divider {
            width: 40px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 16px;
        }

        /* ===== 流程 ===== */
        .step-item {
            display: flex;
            gap: 24px;
            padding: 28px 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            margin-bottom: 20px;
        }
        .step-item:hover {
            transform: translateX(6px);
            box-shadow: var(--shadow-md);
        }
        .step-num {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 800;
        }
        .step-content h5 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 6px;
        }
        .step-content p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
            padding: 24px 28px;
            margin-bottom: 16px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(212, 42, 30, 0.2);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-dark);
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 1.2rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 72px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -30%;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .btn-cta {
            background: #fff;
            color: var(--primary);
            border: none;
            padding: 16px 48px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-cta:hover {
            background: var(--accent);
            color: var(--text-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }
        .btn-cta:active {
            transform: translateY(0);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-brand {
            font-size: 1.6rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand i {
            color: var(--accent);
        }
        .footer-desc {
            font-size: 0.95rem;
            line-height: 1.8;
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.6);
        }
        .site-footer .d-flex a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.3rem;
            transition: var(--transition);
        }
        .site-footer .d-flex a:hover {
            color: var(--accent);
            transform: translateY(-2px);
        }
        .footer-heading {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.95rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-divider {
            border-color: rgba(255, 255, 255, 0.08);
            margin: 32px 0 24px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .section-title {
                font-size: 2rem;
            }
            .stat-number {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 110px 0 70px;
                min-height: 480px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary-custom,
            .btn-outline-light-custom {
                width: 100%;
                max-width: 300px;
                justify-content: center;
            }
            .section-pad {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-sub {
                font-size: 0.95rem;
            }
            .sport-grid {
                grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .step-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 14px;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .navbar-brand {
                font-size: 1.25rem;
            }
            .site-header .navbar {
                padding: 8px 0;
            }
            .nav-link.active::after {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-sub {
                font-size: 0.92rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .advantage-card {
                padding: 24px 18px;
            }
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .sport-card img {
                height: 100px;
            }
            .stat-number {
                font-size: 1.7rem;
            }
            .faq-question {
                font-size: 0.95rem;
            }
            .cta-section {
                padding: 48px 0;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-cta {
                padding: 14px 32px;
                font-size: 1rem;
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 380px) {
            .navbar-brand {
                font-size: 1.1rem;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .sport-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .sport-card h5 {
                font-size: 0.85rem;
            }
        }