/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #E53935;
            --primary-dark: #C62828;
            --primary-light: #FF6F00;
            --secondary: #FF8F00;
            --accent: #FF3D00;
            --bg-dark: #0d0d1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #232340;
            --bg-section: #12122a;
            --text-white: #ffffff;
            --text-light: #e0e0e0;
            --text-muted: #9e9e9e;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius: 16px;
            --radius-sm: 8px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-hover: 0 12px 48px rgba(229, 57, 53, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-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 { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-white); line-height: 1.3; font-weight: 700; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { margin-bottom: 1rem; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar { width: 6px; }
        ::-webkit-scrollbar-track { background: var(--bg-dark); }
        ::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 3px; }

        /* ===== Header / Nav (搜索主导) ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0;
            background: rgba(13, 13, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            height: var(--nav-height);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .site-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-white);
            white-space: nowrap;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .site-logo span { color: var(--primary); }
        .site-logo:hover { color: var(--text-white); }

        /* 搜索框 - 视觉中心 */
        .search-wrap {
            flex: 1;
            display: flex;
            justify-content: center;
            max-width: 560px;
            margin: 0 auto;
        }
        .search-box {
            width: 100%;
            position: relative;
        }
        .search-box input[type="text"] {
            width: 100%;
            padding: 10px 44px 10px 18px;
            border-radius: 50px;
            border: 1px solid var(--border-light);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-white);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .search-box input[type="text"]::placeholder { color: var(--text-muted); }
        .search-box input[type="text"]:focus {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.1);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.2);
        }
        .search-box button {
            position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
            background: var(--primary);
            color: #fff;
            border: none;
            width: 34px; height: 34px;
            border-radius: 50%;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition);
            display: flex; align-items: center; justify-content: center;
        }
        .search-box button:hover { background: var(--primary-dark); transform: translateY(-50%) scale(1.05); }

        /* 导航链接 */
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-shrink: 0;
        }
        .nav-links a {
            padding: 8px 16px;
            border-radius: 50px;
            color: var(--text-light);
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--text-white); background: rgba(255, 255, 255, 0.06); }
        .nav-links a.active { color: var(--text-white); background: var(--primary); }
        .nav-links a.active:hover { background: var(--primary-dark); }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            background: none; border: none; color: var(--text-white);
            font-size: 1.5rem; cursor: pointer;
            padding: 4px 8px; border-radius: 8px;
        }
        .menu-toggle:hover { background: rgba(255,255,255,0.06); }

        /* ===== Hero ===== */
        .hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, #0d0d1a 0%, #1a0a0a 50%, #0d0d1a 100%);
            position: relative;
            overflow: hidden;
            min-height: 70vh;
            display: flex;
            align-items: center;
        }
        .hero::before {
            content: '';
            position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .hero::after {
            content: '';
            position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(229,57,53,0.15) 0%, transparent 70%);
        }
        .hero .container { position: relative; z-index: 2; text-align: center; }
        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: 50px;
            background: rgba(229,57,53,0.15);
            border: 1px solid rgba(229,57,53,0.3);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero h1 { margin-bottom: 16px; }
        .hero h1 span { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 32px;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 20px rgba(229,57,53,0.35); }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 32px rgba(229,57,53,0.45); }
        .btn-outline { background: transparent; color: var(--text-white); border: 1px solid var(--border-light); }
        .btn-outline:hover { border-color: var(--primary); color: var(--primary); transform: translateY(-2px); }
        .btn-lg { padding: 16px 40px; font-size: 1.1rem; }

        /* ===== 板块通用 ===== */
        .section { padding: 80px 0; position: relative; }
        .section-dark { background: var(--bg-section); }
        .section-title { text-align: center; margin-bottom: 48px; }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { color: var(--text-muted); max-width: 600px; margin: 0 auto; font-size: 1.05rem; }
        .section-divider { width: 60px; height: 3px; background: var(--primary); border-radius: 3px; margin: 12px auto 0; }

        /* ===== 平台简介 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-image {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            background: var(--bg-card);
        }
        .intro-image img { width: 100%; height: 100%; object-fit: cover; min-height: 320px; }
        .intro-content h3 { font-size: 1.8rem; margin-bottom: 16px; }
        .intro-content p { color: var(--text-muted); margin-bottom: 16px; font-size: 1.02rem; }
        .intro-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
        .stat-item { text-align: center; padding: 16px; background: var(--bg-card); border-radius: var(--radius-sm); border: 1px solid var(--border-color); }
        .stat-item .num { font-size: 1.8rem; font-weight: 800; color: var(--primary); display: block; }
        .stat-item .label { font-size: 0.85rem; color: var(--text-muted); }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card:hover { transform: translateY(-6px); border-color: var(--primary); box-shadow: var(--shadow-hover); background: var(--bg-card-hover); }
        .category-card .icon { font-size: 2.4rem; color: var(--primary); margin-bottom: 12px; }
        .category-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .category-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }
        .category-card .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(229,57,53,0.12);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 12px;
        }

        /* ===== 最新资讯 (CMS) ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); border-color: rgba(229,57,53,0.3); }
        .news-card .card-img {
            width: 100%; height: 180px;
            background: var(--bg-card-hover);
            position: relative;
            overflow: hidden;
        }
        .news-card .card-img img { width: 100%; height: 100%; object-fit: cover; }
        .news-card .card-body { padding: 20px; }
        .news-card .card-category {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            background: rgba(229,57,53,0.12);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 8px;
        }
        .news-card .card-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 8px;
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
        }
        .news-card .card-title a { color: inherit; }
        .news-card .card-title a:hover { color: var(--primary); }
        .news-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--text-muted);
            display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
            margin-bottom: 12px;
        }
        .news-card .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 12px;
        }
        .news-card .card-meta i { margin-right: 4px; }
        .news-empty {
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border-color);
            color: var(--text-muted);
            font-size: 1.1rem;
        }
        .news-empty i { font-size: 2rem; color: var(--primary); margin-bottom: 12px; display: block; }

        /* ===== 平台特色 (数据/流程) ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 24px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute; top: 0; left: 0; right: 0; height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover::before { opacity: 1; }
        .feature-card:hover { transform: translateY(-4px); border-color: rgba(229,57,53,0.3); box-shadow: var(--shadow-hover); }
        .feature-card .f-icon { font-size: 2rem; color: var(--primary); margin-bottom: 16px; }
        .feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
        .feature-card p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0; }
        .feature-card .step-badge {
            position: absolute; top: 16px; right: 16px;
            width: 28px; height: 28px;
            border-radius: 50%;
            background: rgba(229,57,53,0.15);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 700;
            display: flex; align-items: center; justify-content: center;
        }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; 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-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(229,57,53,0.25); }
        .faq-question {
            padding: 18px 24px;
            display: flex; justify-content: space-between; align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-white);
            font-size: 1rem;
            background: none; border: none; width: 100%; text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { transition: var(--transition); color: var(--text-muted); }
        .faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }
        .faq-answer p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 0; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #1a0a0a 0%, #0d0d1a 50%, #1a0a0a 100%);
            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 { margin-bottom: 12px; }
        .cta-section p { color: var(--text-muted); max-width: 550px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer {
            background: #080818;
            border-top: 1px solid var(--border-color);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .site-logo { font-size: 1.2rem; margin-bottom: 12px; display: inline-block; }
        .footer-brand p { color: var(--text-muted); font-size: 0.9rem; max-width: 320px; }
        .footer-col h4 { font-size: 0.95rem; margin-bottom: 16px; color: var(--text-white); }
        .footer-col a { display: block; color: var(--text-muted); font-size: 0.9rem; padding: 4px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .footer-bottom a { color: var(--text-muted); }
        .footer-bottom a:hover { color: var(--primary); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a { width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.04); display: flex; align-items: center; justify-content: center; color: var(--text-muted); transition: var(--transition); }
        .footer-social a:hover { background: var(--primary); color: #fff; }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .intro-grid { grid-template-columns: 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .header-inner { gap: 12px; }
            .site-logo { font-size: 1.1rem; }
            .nav-links { display: none; }
            .nav-links.open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(13,13,26,0.98); padding: 16px; border-bottom: 1px solid var(--border-color); gap: 4px; }
            .nav-links a { padding: 12px 16px; }
            .menu-toggle { display: block; }
            .search-wrap { max-width: 200px; }
            .hero { padding: 120px 0 60px; min-height: auto; }
            .hero h1 { font-size: clamp(1.8rem, 6vw, 2.4rem); }
            .hero p { font-size: 1rem; }
            .section { padding: 56px 0; }
            .intro-stats { grid-template-columns: repeat(3, 1fr); gap: 12px; }
            .stat-item .num { font-size: 1.4rem; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .news-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .features-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .header-inner { gap: 8px; padding: 0 12px; }
            .site-logo { font-size: 0.95rem; }
            .search-wrap { max-width: 140px; }
            .search-box input[type="text"] { padding: 8px 38px 8px 14px; font-size: 0.85rem; }
            .search-box button { width: 30px; height: 30px; font-size: 0.8rem; right: 4px; }
            .hero { padding: 100px 0 40px; }
            .btn-lg { padding: 12px 28px; font-size: 0.95rem; }
            .category-grid { grid-template-columns: 1fr; }
            .section-title { margin-bottom: 32px; }
            .faq-question { padding: 14px 16px; font-size: 0.95rem; }
            .cta-section { padding: 48px 0; }
        }

        /* ===== 工具类 ===== */
        .text-primary { color: var(--primary); }
        .text-center { text-align: center; }
        .mt-16 { margin-top: 16px; }
        .mb-16 { margin-bottom: 16px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .relative { position: relative; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2a4a7f;
            --accent: #f4a261;
            --accent-light: #f9c784;
            --bg-dark: #0d1b2a;
            --bg-section: #f8f9fa;
            --bg-card: #ffffff;
            --text-main: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border-color: #e0e0e0;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 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;
        }

        body {
            font-family: var(--font-sans);
            color: var(--text-main);
            background: var(--bg-section);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--secondary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus {
            color: var(--primary);
            outline: none;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text-main);
        }

        .section-title {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 640px;
            margin: 0 auto 2.5rem;
            text-align: center;
        }

        .section-header {
            text-align: center;
            margin-bottom: 3rem;
        }
        .section-header .section-title {
            position: relative;
            display: inline-block;
        }
        .section-header .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            font-family: var(--font-sans);
            line-height: 1.4;
        }
        .btn:focus {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--primary-dark);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.45);
            transform: translateY(-2px);
            color: var(--text-white);
        }
        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-secondary {
            background: var(--secondary);
            color: var(--text-white);
            box-shadow: 0 4px 16px rgba(29, 53, 87, 0.30);
        }
        .btn-secondary:hover,
        .btn-secondary:focus {
            background: var(--secondary-light);
            box-shadow: 0 6px 24px rgba(29, 53, 87, 0.40);
            transform: translateY(-2px);
            color: var(--text-white);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.7);
        }
        .btn-outline:hover,
        .btn-outline:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-white);
            color: var(--text-white);
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 16px 44px;
            font-size: 1.1rem;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(13, 27, 42, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            height: var(--header-height);
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 4px;
            letter-spacing: -0.02em;
        }
        .site-logo span {
            color: var(--primary);
        }
        .site-logo:hover {
            color: var(--text-white);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 50px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            color: var(--text-white);
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .nav-links a.active:hover {
            background: var(--primary-dark);
        }

        /* 搜索框 */
        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.10);
            border-radius: 50px;
            padding: 0 16px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
            min-width: 200px;
        }
        .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.18);
            border-color: var(--primary-light);
        }
        .nav-search i {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.9rem;
            margin-right: 8px;
        }
        .nav-search input {
            background: none;
            border: none;
            padding: 10px 0;
            color: var(--text-white);
            font-size: 0.9rem;
            width: 100%;
            outline: none;
            font-family: var(--font-sans);
        }
        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== Hero / Banner ===== */
        .hero-sports {
            padding: calc(var(--header-height) + 40px) 0 80px;
            background: linear-gradient(135deg, #0d1b2a 0%, #1b2f4a 40%, #2a4a7f 100%);
            position: relative;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            align-items: center;
        }
        .hero-sports::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20;
            mix-blend-mode: overlay;
        }
        .hero-sports .container {
            position: relative;
            z-index: 2;
        }

        .hero-sports .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.20);
            border: 1px solid rgba(230, 57, 70, 0.30);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            color: var(--primary-light);
            margin-bottom: 20px;
            font-weight: 500;
        }
        .hero-sports .hero-badge i {
            font-size: 0.75rem;
        }

        .hero-sports h1 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.15;
            margin-bottom: 16px;
            letter-spacing: -0.03em;
        }
        .hero-sports h1 .highlight {
            color: var(--primary);
        }
        .hero-sports .hero-desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .hero-sports .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
        }
        .hero-stats .stat-number .unit {
            font-size: 1.2rem;
            color: var(--primary-light);
        }
        .hero-stats .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.bg-white {
            background: var(--bg-card);
        }
        .section-block.bg-light {
            background: var(--bg-section);
        }
        .section-block.bg-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-block.bg-dark .section-title {
            color: var(--text-white);
        }
        .section-block.bg-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 分类卡片网格 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .sport-card {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
        }
        .sport-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-6px);
        }
        .sport-card .card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .sport-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .sport-card:hover .card-img img {
            transform: scale(1.05);
        }
        .sport-card .card-img .badge-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: var(--text-white);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            letter-spacing: 0.3px;
        }
        .sport-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sport-card .card-body h3 {
            font-size: 1.25rem;
            margin-bottom: 8px;
            font-weight: 700;
        }
        .sport-card .card-body p {
            color: var(--text-light);
            font-size: 0.95rem;
            margin-bottom: 16px;
            flex: 1;
            line-height: 1.6;
        }
        .sport-card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-top: auto;
            padding-top: 12px;
            border-top: 1px solid var(--border-color);
        }
        .sport-card .card-body .card-meta i {
            color: var(--primary);
        }
        .sport-card .card-body .card-link {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
        }
        .sport-card .card-body .card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }

        /* ===== 特色优势 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .feature-item {
            background: var(--bg-card);
            border-radius: var(--border-radius);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .feature-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .feature-item .icon-box {
            width: 64px;
            height: 64px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--text-white);
        }
        .feature-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .feature-item p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: grid;
            gap: 20px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--border-radius-sm);
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            align-items: flex-start;
        }
        .news-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary-light);
        }
        .news-item .news-thumb {
            width: 160px;
            min-height: 100px;
            border-radius: var(--border-radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }
        .news-item .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-item .news-content {
            flex: 1;
        }
        .news-item .news-content h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            font-weight: 600;
        }
        .news-item .news-content h4 a {
            color: var(--text-main);
        }
        .news-item .news-content h4 a:hover {
            color: var(--primary);
        }
        .news-item .news-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 8px;
        }
        .news-item .news-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 16px;
        }
        .news-item .news-meta i {
            color: var(--primary);
            margin-right: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--border-radius-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: var(--font-sans);
            color: var(--text-main);
            transition: var(--transition);
        }
        .faq-question:hover {
            background: rgba(230, 57, 70, 0.04);
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--primary);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            line-height: 1.7;
            font-size: 0.95rem;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--secondary-light) 100%);
            border-radius: var(--border-radius);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-block .container {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            font-size: 2rem;
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-block p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .cta-block .btn-primary {
            background: var(--accent);
            color: var(--text-main);
            box-shadow: 0 4px 20px rgba(244, 162, 97, 0.40);
        }
        .cta-block .btn-primary:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 28px rgba(244, 162, 97, 0.55);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            padding: calc(var(--header-height) + 16px) 0 0;
            background: var(--bg-section);
            border-bottom: 1px solid var(--border-color);
        }
        .breadcrumb .container {
            padding: 12px 24px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb .sep {
            margin: 0 10px;
            color: var(--border-color);
        }
        .breadcrumb .current {
            color: var(--text-main);
            font-weight: 500;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo {
            font-size: 1.4rem;
            margin-bottom: 12px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            color: var(--text-white);
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-col a i {
            margin-right: 8px;
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .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: 1.1rem;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: scale(1.1);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-sports h1 {
                font-size: 2.4rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(13, 27, 42, 0.98);
                backdrop-filter: blur(12px);
                padding: 16px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                gap: 4px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: 8px;
            }
            .nav-search {
                min-width: unset;
                flex: 1;
                max-width: 240px;
            }
            .menu-toggle {
                display: block;
            }

            .hero-sports {
                padding: calc(var(--header-height) + 24px) 0 48px;
                min-height: unset;
            }
            .hero-sports h1 {
                font-size: 1.8rem;
            }
            .hero-sports .hero-desc {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }
            .hero-stats .stat-number {
                font-size: 1.5rem;
            }

            .sports-grid {
                grid-template-columns: 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .section-block {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .cta-block {
                padding: 40px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
            .hero-sports .hero-actions {
                flex-direction: column;
            }
            .hero-sports .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .site-header .container {
                padding: 0 16px;
            }
            .site-logo {
                font-size: 1.2rem;
            }
            .nav-search input {
                font-size: 0.8rem;
                padding: 8px 0;
            }
            .hero-sports h1 {
                font-size: 1.5rem;
            }
            .hero-stats .stat-item {
                flex: 1;
                min-width: 80px;
            }
            .container {
                padding: 0 16px;
            }
            .sport-card .card-img {
                height: 160px;
            }
            .faq-question {
                font-size: 0.95rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
        }

        /* ===== 额外辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .gap-2 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            justify-content: center;
            align-items: center;
        }

/* roulang page: article */
:root {
            --primary: #0b1a2e;
            --primary-light: #132a44;
            --accent: #c9a84c;
            --accent-hover: #dbb95a;
            --accent-glow: rgba(201, 168, 76, 0.25);
            --accent-soft: #f5edd6;
            --energy: #e94560;
            --energy-hover: #d63850;
            --bg-body: #f7f5f2;
            --bg-card: #ffffff;
            --bg-dark: #0b1a2e;
            --bg-section-alt: #f0ede8;
            --text-primary: #1a1a2e;
            --text-body: #3d3d4a;
            --text-soft: #7a7a8a;
            --text-light: #b0b0be;
            --text-white: #f0ede8;
            --border-light: #e8e3de;
            --border-card: #e0dbd4;
            --shadow-sm: 0 2px 8px rgba(11,26,46,0.06);
            --shadow-md: 0 8px 28px rgba(11,26,46,0.08);
            --shadow-lg: 0 18px 48px rgba(11,26,46,0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --transition: 0.3s cubic-bezier(0.22,1,0.36,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container-max: 1200px;
            --nav-height: 72px;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; width: 100%; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* --- Header / Nav --- */
        .site-header {
            background: var(--bg-dark);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(201,168,76,0.15);
            box-shadow: 0 2px 20px rgba(0,0,0,0.3);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .site-logo {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 4px;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .site-logo span { color: var(--accent); }
        .site-logo:hover { color: var(--accent); opacity: 0.92; }
        .nav-search {
            flex: 1;
            max-width: 480px;
            position: relative;
            margin: 0 16px;
        }
        .nav-search input {
            width: 100%;
            padding: 10px 44px 10px 18px;
            border-radius: 50px;
            border: 1px solid rgba(201,168,76,0.25);
            background: rgba(255,255,255,0.07);
            color: var(--text-white);
            font-size: 0.9rem;
            transition: var(--transition);
            outline: none;
        }
        .nav-search input::placeholder { color: var(--text-light); opacity: 0.7; }
        .nav-search input:focus {
            border-color: var(--accent);
            background: rgba(255,255,255,0.12);
            box-shadow: 0 0 0 4px var(--accent-glow);
        }
        .nav-search button {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: var(--accent);
            font-size: 1.1rem;
            padding: 8px 14px;
            cursor: pointer;
            border-radius: 50px;
            transition: var(--transition);
        }
        .nav-search button:hover { background: rgba(201,168,76,0.15); color: var(--accent-hover); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .nav-links a {
            color: var(--text-light);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a:hover { color: var(--text-white); background: rgba(201,168,76,0.1); }
        .nav-links a.active {
            color: var(--bg-dark);
            background: var(--accent);
            font-weight: 600;
        }
        .nav-links a.active:hover { background: var(--accent-hover); color: var(--bg-dark); }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 6px 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:hover { background: rgba(201,168,76,0.1); }
        @media (max-width: 900px) {
            .nav-search { max-width: 260px; margin: 0 8px; }
            .nav-links a { padding: 6px 12px; font-size: 0.82rem; }
        }
        @media (max-width: 768px) {
            .site-header .container { flex-wrap: wrap; }
            .nav-toggle { display: block; }
            .nav-links {
                display: none;
                width: 100%;
                flex-direction: column;
                background: var(--bg-dark);
                padding: 12px 0 20px;
                gap: 4px;
                border-top: 1px solid rgba(201,168,76,0.1);
                margin-top: 8px;
            }
            .nav-links.open { display: flex; }
            .nav-links a { width: 100%; text-align: center; padding: 12px; }
            .nav-search { order: 3; max-width: 100%; margin: 8px 0 0; flex: 0 0 100%; }
            .nav-search input { padding: 12px 48px 12px 20px; }
        }

        /* --- Article Banner --- */
        .article-banner {
            position: relative;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 80px 0 60px;
            color: var(--text-white);
            text-align: center;
            isolation: isolate;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,26,46,0.88) 0%, rgba(11,26,46,0.72) 60%, rgba(11,26,46,0.55) 100%);
            z-index: 1;
        }
        .article-banner .container { position: relative; z-index: 2; }
        .article-banner .post-meta {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 16px 24px;
            margin-bottom: 18px;
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .article-banner .post-meta span { display: flex; align-items: center; gap: 6px; }
        .article-banner .post-meta i { color: var(--accent); width: 16px; text-align: center; }
        .article-banner .post-category {
            display: inline-block;
            background: var(--accent);
            color: var(--bg-dark);
            padding: 4px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .article-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-white);
            max-width: 860px;
            margin: 0 auto 10px;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .article-banner .post-excerpt {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 660px;
            margin: 10px auto 0;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .article-banner { padding: 60px 0 40px; min-height: 240px; }
            .article-banner h1 { font-size: 1.8rem; }
            .article-banner .post-excerpt { font-size: 0.95rem; }
        }
        @media (max-width: 520px) {
            .article-banner h1 { font-size: 1.4rem; }
            .article-banner { padding: 40px 0 30px; min-height: 200px; }
        }

        /* --- Article Content --- */
        .article-main { padding: 60px 0 40px; }
        .article-content-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px 52px;
            max-width: 860px;
            margin: 0 auto;
        }
        .article-content-wrap .featured-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 32px;
            box-shadow: var(--shadow-sm);
        }
        .article-content-wrap .featured-image img { width: 100%; display: block; }
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-body p { margin-bottom: 1.4em; }
        .article-body h2, .article-body h3 { margin-top: 1.6em; margin-bottom: 0.6em; color: var(--text-primary); font-weight: 700; }
        .article-body h2 { font-size: 1.5rem; }
        .article-body h3 { font-size: 1.2rem; }
        .article-body ul, .article-body ol { margin-bottom: 1.4em; padding-left: 1.6em; }
        .article-body li { margin-bottom: 0.4em; }
        .article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
        .article-body a:hover { color: var(--accent-hover); }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-soft);
            padding: 18px 24px;
            margin: 1.6em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-primary);
            font-style: italic;
        }
        .article-body img { border-radius: var(--radius-sm); margin: 1.2em 0; box-shadow: var(--shadow-sm); }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-tags .tag {
            background: var(--bg-section-alt);
            color: var(--text-soft);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--accent-soft); color: var(--accent); }
        .article-share {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 18px;
            padding-top: 18px;
            border-top: 1px solid var(--border-light);
        }
        .article-share span { font-size: 0.9rem; color: var(--text-soft); font-weight: 500; }
        .article-share a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-section-alt);
            color: var(--text-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            font-size: 1rem;
        }
        .article-share a:hover { background: var(--accent); color: var(--bg-dark); }
        .article-not-found {
            text-align: center;
            padding: 60px 20px;
            max-width: 600px;
            margin: 0 auto;
        }
        .article-not-found h2 { font-size: 2rem; color: var(--text-primary); margin-bottom: 16px; }
        .article-not-found p { color: var(--text-soft); margin-bottom: 24px; }
        .article-not-found .btn-primary { display: inline-block; }
        @media (max-width: 768px) {
            .article-content-wrap { padding: 28px 20px; }
            .article-body { font-size: 0.98rem; }
        }
        @media (max-width: 520px) {
            .article-content-wrap { padding: 20px 14px; border-radius: var(--radius-md); }
            .article-body h2 { font-size: 1.25rem; }
        }

        /* --- Related Posts --- */
        .related-section { padding: 40px 0 60px; background: var(--bg-section-alt); }
        .related-section .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 36px;
        }
        .related-section .section-title span { color: var(--accent); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .related-card .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-section-alt);
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .related-card:hover .card-img img { transform: scale(1.06); }
        .related-card .card-body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; }
        .related-card .card-category {
            font-size: 0.75rem;
            color: var(--accent);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a { color: inherit; }
        .related-card .card-title a:hover { color: var(--accent); }
        .related-card .card-meta {
            font-size: 0.8rem;
            color: var(--text-soft);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card .card-meta i { margin-right: 4px; }
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 560px) {
            .related-grid { grid-template-columns: 1fr; }
            .related-section .section-title { font-size: 1.4rem; }
        }

        /* --- CTA --- */
        .cta-section {
            background: var(--bg-dark) url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            padding: 80px 0;
            text-align: center;
            isolation: isolate;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11,26,46,0.85) 0%, rgba(11,26,46,0.7) 100%);
            z-index: 1;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 14px;
        }
        .cta-section p {
            color: var(--text-light);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--bg-dark);
            padding: 16px 44px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(201,168,76,0.35);
        }
        .btn-cta:hover { background: var(--accent-hover); color: var(--bg-dark); transform: translateY(-2px); box-shadow: 0 8px 32px rgba(201,168,76,0.45); }
        .btn-cta i { font-size: 1.1rem; }
        @media (max-width: 768px) {
            .cta-section { padding: 50px 0; }
            .cta-section h2 { font-size: 1.6rem; }
            .btn-cta { padding: 14px 32px; font-size: 0.95rem; }
        }

        /* --- FAQ --- */
        .faq-section { padding: 60px 0 70px; background: var(--bg-body); }
        .faq-section .section-title {
            text-align: center;
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 36px;
        }
        .faq-section .section-title span { color: var(--accent); }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-primary);
            font-size: 1rem;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 12px;
        }
        .faq-question:hover { color: var(--accent); }
        .faq-question i { color: var(--accent); transition: var(--transition); font-size: 0.9rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open { display: block; }
        @media (max-width: 768px) {
            .faq-section { padding: 40px 0 50px; }
            .faq-section .section-title { font-size: 1.4rem; }
            .faq-question { padding: 14px 18px; font-size: 0.92rem; }
            .faq-answer { padding: 0 18px 14px; }
        }

        /* --- Footer --- */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 60px 0 24px;
            border-top: 1px solid rgba(201,168,76,0.1);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .site-logo { font-size: 1.4rem; margin-bottom: 12px; display: inline-block; }
        .footer-brand p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; max-width: 320px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; font-weight: 600; margin-bottom: 16px; letter-spacing: 0.5px; }
        .footer-col a {
            display: block;
            color: var(--text-light);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-col a i { margin-right: 8px; width: 18px; text-align: center; color: var(--accent); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            border-top: 1px solid rgba(201,168,76,0.08);
            font-size: 0.82rem;
            color: var(--text-soft);
        }
        .footer-bottom a { color: var(--text-soft); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(201,168,76,0.08);
            color: var(--text-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-social a:hover { background: var(--accent); color: var(--bg-dark); }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }
        @media (max-width: 560px) {
            .footer-grid { grid-template-columns: 1fr; gap: 20px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* --- Utility --- */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: var(--bg-dark);
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary:hover { background: var(--accent-hover); color: var(--bg-dark); transform: translateY(-2px); box-shadow: 0 6px 24px var(--accent-glow); }
        .text-center { text-align: center; }
        .mt-1 { margin-top: 12px; }
        .mt-2 { margin-top: 24px; }
        .mb-1 { margin-bottom: 12px; }
        .mb-2 { margin-bottom: 24px; }