/* roulang page: index */
:root {
            --primary: #0f1724;
            --primary-light: #1e293b;
            --secondary: #2563eb;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f8fafc;
            --bg-dark: #0f1724;
            --text: #1e293b;
            --text-soft: #64748b;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow: 0 4px 24px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
            --transition: all 0.3s ease;
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input { font: inherit; border: none; outline: none; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 640px) { .container { padding: 0 16px; } }
        .transition { transition: var(--transition); }
        .shadow-card { box-shadow: var(--shadow); }
        .shadow-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
        .btn {
            display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: var(--transition); border: none;
        }
        .btn-primary { background: var(--secondary); color: #fff; }
        .btn-primary:hover { background: #1d4ed8; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(37,99,235,0.35); }
        .btn-accent { background: var(--accent); color: #0f1724; }
        .btn-accent:hover { background: #d97706; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(245,158,11,0.35); }
        .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6); }
        .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.1); transform: translateY(-1px); }
        .badge {
            display: inline-block; padding: 4px 14px; border-radius: 999px; font-size: 0.75rem; font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-blue { background: rgba(37,99,235,0.12); color: #1d4ed8; }
        .badge-accent { background: rgba(245,158,11,0.15); color: #b45309; }
        .badge-gray { background: rgba(100,116,139,0.12); color: #475569; }
        .section { padding: 80px 0; }
        .section-title { font-size: 2rem; font-weight: 700; color: var(--text); margin-bottom: 12px; letter-spacing: -0.01em; }
        .section-subtitle { font-size: 1.05rem; color: var(--text-soft); max-width: 680px; margin-bottom: 48px; line-height: 1.7; }
        .card {
            background: #fff; border-radius: var(--radius); overflow: hidden; transition: var(--transition);
            box-shadow: var(--shadow); border: 1px solid rgba(226,232,240,0.5);
        }
        .card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .card-img { width: 100%; height: 200px; object-fit: cover; }
        .card-body { padding: 24px; }
        .card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
        .card-text { font-size: 0.9rem; color: var(--text-soft); line-height: 1.6; }
        .nav-link {
            position: relative; padding: 6px 0; font-weight: 500; font-size: 0.95rem; color: rgba(255,255,255,0.75);
            transition: var(--transition); letter-spacing: 0.01em;
        }
        .nav-link:hover { color: #fff; }
        .nav-link::after {
            content: ''; position: absolute; bottom: -2px; left: 0; width: 0; height: 2px;
            background: var(--accent); transition: var(--transition); border-radius: 2px;
        }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: #fff; }
        .nav-link.active::after { width: 100%; background: var(--accent); }
        .search-input {
            width: 100%; padding: 12px 20px 12px 48px; border-radius: 999px; border: none;
            background: rgba(255,255,255,0.12); color: #fff; font-size: 0.95rem; transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .search-input::placeholder { color: rgba(255,255,255,0.5); }
        .search-input:focus { background: rgba(255,255,255,0.2); box-shadow: 0 0 0 3px rgba(245,158,11,0.25); }
        .search-icon { position: absolute; left: 18px; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,0.5); font-size: 1rem; pointer-events: none; }
        .hero {
            position: relative; min-height: 88vh; display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, #0f1724 0%, #1a2332 50%, #0f1724 100%);
            overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(37,99,235,0.15) 0%, transparent 70%),
                        radial-gradient(ellipse at 70% 50%, rgba(245,158,11,0.08) 0%, transparent 70%);
        }
        .hero-content { position: relative; z-index: 2; text-align: center; padding: 40px 24px; max-width: 900px; }
        .hero-title { font-size: clamp(2.6rem, 6vw, 4.2rem); font-weight: 800; color: #fff; line-height: 1.15; letter-spacing: -0.02em; margin-bottom: 20px; }
        .hero-title span { background: linear-gradient(135deg, var(--accent-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero-desc { font-size: 1.15rem; color: rgba(255,255,255,0.7); max-width: 640px; margin: 0 auto 36px; line-height: 1.7; }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .grid-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
        @media (max-width: 1024px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 768px) {
            .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
            .section { padding: 56px 0; }
            .section-title { font-size: 1.6rem; }
            .hero-title { font-size: clamp(2rem, 8vw, 2.8rem); }
        }
        @media (max-width: 520px) {
            .hero-actions { flex-direction: column; align-items: center; }
            .btn { width: 100%; justify-content: center; }
        }
        .stat-item { text-align: center; padding: 24px 16px; background: rgba(255,255,255,0.04); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.06); backdrop-filter: blur(8px); }
        .stat-number { font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1.2; letter-spacing: -0.02em; }
        .stat-number span { color: var(--accent); }
        .stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 6px; }
        .faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
        .faq-question { font-weight: 600; font-size: 1.05rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--text); }
        .faq-answer { font-size: 0.95rem; color: var(--text-soft); line-height: 1.7; margin-top: 12px; padding-right: 40px; }
        .cta-section {
            background: linear-gradient(135deg, #0f1724 0%, #1a2332 100%);
            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: 0.12; mix-blend-mode: overlay;
        }
        .footer { background: #0a0e1a; color: rgba(255,255,255,0.6); padding: 48px 0 24px; }
        .footer a { color: rgba(255,255,255,0.6); }
        .footer a:hover { color: #fff; }
        .footer-title { font-weight: 700; color: #fff; font-size: 1.1rem; margin-bottom: 16px; }
        .feature-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 16px; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: flex; }
            .nav-mobile-menu {
                position: fixed; top: 0; right: -100%; width: 280px; height: 100vh; background: #0f1724; z-index: 999;
                padding: 80px 32px 40px; transition: var(--transition); box-shadow: -8px 0 40px rgba(0,0,0,0.6);
                overflow-y: auto;
            }
            .nav-mobile-menu.open { right: 0; }
            .nav-mobile-overlay {
                position: fixed; inset: 0; background: rgba(0,0,0,0.6); z-index: 998; opacity: 0; pointer-events: none; transition: var(--transition);
            }
            .nav-mobile-overlay.open { opacity: 1; pointer-events: auto; }
            .mobile-nav-link { display: block; padding: 14px 0; font-size: 1.05rem; color: rgba(255,255,255,0.7); border-bottom: 1px solid rgba(255,255,255,0.06); font-weight: 500; }
            .mobile-nav-link.active { color: var(--accent); }
        }
        .cover-card { position: relative; border-radius: var(--radius); overflow: hidden; height: 260px; cursor: pointer; }
        .cover-card img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
        .cover-card:hover img { transform: scale(1.06); }
        .cover-card-overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(15,23,36,0.85) 0%, rgba(15,23,36,0.2) 60%, rgba(15,23,36,0.1) 100%); display: flex; flex-direction: column; justify-content: flex-end; padding: 28px; }
        .cover-card-title { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
        .cover-card-desc { font-size: 0.9rem; color: rgba(255,255,255,0.7); max-width: 260px; }
        .timeline-item { display: flex; gap: 20px; padding: 20px 0; border-left: 2px solid var(--border); padding-left: 28px; position: relative; }
        .timeline-item::before { content: ''; position: absolute; left: -7px; top: 24px; width: 12px; height: 12px; border-radius: 50%; background: var(--secondary); border: 3px solid var(--bg); }
        .timeline-title { font-weight: 700; font-size: 1.05rem; }
        .timeline-text { font-size: 0.9rem; color: var(--text-soft); margin-top: 4px; }
        .rank-list { display: flex; flex-direction: column; gap: 12px; }
        .rank-item { display: flex; align-items: center; gap: 16px; padding: 16px 20px; background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow); transition: var(--transition); border: 1px solid rgba(226,232,240,0.4); }
        .rank-item:hover { box-shadow: var(--shadow-lg); transform: translateX(4px); }
        .rank-number { font-size: 1.4rem; font-weight: 800; color: var(--secondary); min-width: 36px; }
        .rank-number.gold { color: var(--accent); }
        .rank-info { flex: 1; }
        .rank-name { font-weight: 600; font-size: 1rem; }
        .rank-meta { font-size: 0.85rem; color: var(--text-soft); }
        .tag { display: inline-block; padding: 2px 12px; border-radius: 999px; font-size: 0.7rem; font-weight: 600; background: rgba(37,99,235,0.1); color: #1d4ed8; margin-right: 6px; }
        .tag-accent { background: rgba(245,158,11,0.12); color: #b45309; }
        .news-card { display: flex; gap: 20px; padding: 20px; background: #fff; border-radius: var(--radius-sm); box-shadow: var(--shadow); transition: var(--transition); border: 1px solid rgba(226,232,240,0.4); }
        .news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
        .news-thumb { width: 120px; min-height: 90px; border-radius: 8px; object-fit: cover; flex-shrink: 0; }
        .news-content { flex: 1; }
        .news-title { font-weight: 700; font-size: 1rem; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-meta { font-size: 0.8rem; color: var(--text-soft); display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }
        .news-excerpt { font-size: 0.88rem; color: var(--text-soft); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-top: 4px; }
        @media (max-width: 520px) {
            .news-card { flex-direction: column; }
            .news-thumb { width: 100%; height: 160px; }
        }
        .empty-state { text-align: center; padding: 48px 24px; color: var(--text-soft); font-size: 1rem; background: rgba(100,116,139,0.06); border-radius: var(--radius); border: 1px dashed var(--border); }

/* roulang page: article */
:root {
            --primary: #0f1724;
            --primary-light: #1a2744;
            --accent: #eab308;
            --accent-hover: #facc15;
            --text-white: #ffffff;
            --text-muted: rgba(255,255,255,0.55);
            --text-body: #e2e8f0;
            --bg-card: rgba(255,255,255,0.04);
            --bg-card-hover: rgba(255,255,255,0.08);
            --border-light: rgba(255,255,255,0.08);
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
            --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--primary);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        .search-icon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: rgba(255,255,255,0.35); font-size: 0.9rem; pointer-events: none; }
        .search-input {
            width: 100%;
            padding: 10px 20px 10px 44px;
            border-radius: 100px;
            border: 1px solid rgba(255,255,255,0.1);
            background: rgba(255,255,255,0.06);
            color: #fff;
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }
        .search-input:focus { border-color: var(--accent); background: rgba(255,255,255,0.1); box-shadow: 0 0 0 3px rgba(234,179,8,0.15); }
        .search-input::placeholder { color: rgba(255,255,255,0.35); }
        .nav-link { position: relative; font-size: 0.95rem; font-weight: 500; color: rgba(255,255,255,0.7); padding: 6px 0; transition: var(--transition); }
        .nav-link:hover { color: #fff; }
        .nav-link::after { content: ''; position: absolute; left: 0; bottom: -2px; width: 0; height: 2px; background: var(--accent); transition: var(--transition); border-radius: 2px; }
        .nav-link:hover::after { width: 100%; }
        .nav-link.active { color: #fff; }
        .nav-link.active::after { width: 100%; }
        .desktop-nav { display: flex; }
        .mobile-nav { display: none; }
        @media (max-width: 768px) {
            .desktop-nav { display: none !important; }
            .mobile-nav { display: flex !important; }
        }
        .footer {
            background: #0a0f1a;
            border-top: 1px solid rgba(255,255,255,0.05);
            padding: 60px 0 30px;
            margin-top: 80px;
        }
        .footer-title { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 20px; letter-spacing: 0.3px; }
        .footer ul { list-style: none; }
        .footer ul li a { color: rgba(255,255,255,0.45); font-size: 0.9rem; transition: var(--transition); }
        .footer ul li a:hover { color: var(--accent); padding-left: 4px; }
        .grid-4 { display: grid; }
        @media (max-width: 768px) { .grid-4 { grid-template-columns: 1fr 1fr !important; gap: 32px !important; } }
        @media (max-width: 520px) { .grid-4 { grid-template-columns: 1fr !important; gap: 28px !important; } }
        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .article-card:hover { background: var(--bg-card-hover); transform: translateY(-4px); box-shadow: var(--shadow-card); }
        .article-card img { width: 100%; height: 200px; object-fit: cover; border-radius: 0; }
        .article-card .card-body { padding: 20px; }
        .article-card .card-body h3 { font-size: 1.05rem; font-weight: 600; color: #fff; margin-bottom: 8px; line-height: 1.4; }
        .article-card .card-body p { font-size: 0.88rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(234,179,8,0.12);
            color: var(--accent);
            border: 1px solid rgba(234,179,8,0.2);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--accent);
            color: #0f1724;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-accent:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(234,179,8,0.25); }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border-radius: 100px;
            font-weight: 500;
            font-size: 0.9rem;
            border: 1px solid rgba(255,255,255,0.15);
            color: rgba(255,255,255,0.7);
            transition: var(--transition);
            background: transparent;
        }
        .btn-outline:hover { border-color: var(--accent); color: #fff; background: rgba(234,179,8,0.06); }
        .article-body h2 { font-size: 1.5rem; color: #fff; margin-top: 36px; margin-bottom: 16px; font-weight: 700; }
        .article-body h3 { font-size: 1.2rem; color: #fff; margin-top: 28px; margin-bottom: 12px; font-weight: 600; }
        .article-body p { margin-bottom: 18px; line-height: 1.8; color: #d1d5db; }
        .article-body ul, .article-body ol { margin-bottom: 18px; padding-left: 24px; color: #d1d5db; }
        .article-body li { margin-bottom: 6px; }
        .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);
            padding: 16px 24px;
            margin: 24px 0;
            background: rgba(234,179,8,0.04);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: #e2e8f0;
            font-style: italic;
        }
        .article-body img { margin: 24px 0; border-radius: var(--radius-md); width: 100%; }
        .article-body pre {
            background: rgba(0,0,0,0.3);
            padding: 20px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            font-size: 0.9rem;
            color: #e2e8f0;
            border: 1px solid rgba(255,255,255,0.06);
            margin: 24px 0;
        }
        .article-body code { font-family: 'JetBrains Mono', monospace; }
        .pagination-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 16px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            transition: var(--transition);
        }
        .pagination-link:hover { background: var(--bg-card-hover); border-color: rgba(255,255,255,0.12); }
        .pagination-link .label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
        .pagination-link .title { font-size: 0.95rem; color: #fff; font-weight: 500; }
        @media (max-width: 640px) {
            .container { padding: 0 16px; }
            .article-body h2 { font-size: 1.25rem; }
            .article-body h3 { font-size: 1.05rem; }
            .footer { padding: 40px 0 24px; }
        }
        .fade-in { animation: fadeIn 0.6s ease-out both; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #3b82f6;
            --primary-dark: #1d4ed8;
            --primary-light: #60a5fa;
            --accent: #06b6d4;
            --accent-dark: #0891b2;
            --gold: #f59e0b;
            --bg-dark: #0f1724;
            --bg-card: rgba(255, 255, 255, 0.04);
            --bg-card-hover: rgba(255, 255, 255, 0.08);
            --text-white: #ffffff;
            --text-muted: rgba(255, 255, 255, 0.55);
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.45);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-dark);
            color: var(--text-white);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-light);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--primary);
        }

        /* 搜索框 */
        .search-input {
            width: 100%;
            padding: 10px 20px 10px 44px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .search-input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .search-input:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.15);
        }
        .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.35);
            font-size: 0.9rem;
            pointer-events: none;
        }

        /* 移动端导航 */
        .mobile-nav {
            display: none;
        }
        #mobileMenu {
            display: none;
            background: rgba(15, 23, 36, 0.98);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            padding: 16px 20px;
        }
        #mobileMenu a {
            display: block;
            padding: 12px 0;
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.7);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: var(--transition);
        }
        #mobileMenu a:last-child {
            border-bottom: none;
        }
        #mobileMenu a:hover,
        #mobileMenu a.active {
            color: #fff;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-nav {
                display: flex !important;
            }
            .container .md\:flex-1 {
                display: none;
            }
            #mobileMenu.open {
                display: block !important;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            min-height: 60vh;
            display: flex;
            align-items: center;
            padding: 140px 0 80px;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            transform: scale(1.05);
            transition: transform 8s ease;
        }
        .hero-section:hover .hero-bg {
            transform: scale(1);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 36, 0.92) 0%, rgba(15, 23, 36, 0.6) 50%, rgba(15, 23, 36, 0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-tag {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            background: rgba(59, 130, 246, 0.2);
            border: 1px solid rgba(59, 130, 246, 0.3);
            color: var(--primary-light);
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-title {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 560px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 50vh;
                padding: 120px 0 60px;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-actions {
                flex-direction: column;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: var(--primary-light);
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 48px;
        }
        .section-title-center {
            text-align: center;
        }
        .section-sub-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

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

        /* ===== 项目卡片 ===== */
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .game-card:hover {
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(59, 130, 246, 0.2);
        }
        .game-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: var(--transition);
        }
        .game-card:hover .game-card-img {
            transform: scale(1.03);
        }
        .game-card-body {
            padding: 20px 22px 24px;
        }
        .game-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .game-card-meta {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .game-card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .game-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 14px;
        }
        .game-tag {
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 500;
            background: rgba(59, 130, 246, 0.12);
            color: var(--primary-light);
            border: 1px solid rgba(59, 130, 246, 0.15);
            transition: var(--transition);
        }
        .game-tag:hover {
            background: rgba(59, 130, 246, 0.2);
        }
        .game-tag.gold {
            background: rgba(245, 158, 11, 0.12);
            color: var(--gold);
            border-color: rgba(245, 158, 11, 0.2);
        }
        .game-tag.accent {
            background: rgba(6, 182, 212, 0.12);
            color: var(--accent);
            border-color: rgba(6, 182, 212, 0.2);
        }

        /* ===== 统计数字 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stat-item:hover {
            background: var(--bg-card-hover);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== 特色区块 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .feature-img img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: var(--transition);
        }
        .feature-img:hover img {
            transform: scale(1.02);
        }
        .feature-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-item:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .feature-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(59, 130, 246, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--primary-light);
            flex-shrink: 0;
        }
        .feature-item-title {
            font-weight: 600;
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .feature-item-desc {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-img img {
                height: 220px;
            }
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            gap: 20px;
            padding: 18px 22px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            align-items: center;
        }
        .news-item:hover {
            background: var(--bg-card-hover);
            transform: translateX(4px);
            border-color: rgba(59, 130, 246, 0.15);
        }
        .news-item-badge {
            flex-shrink: 0;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(59, 130, 246, 0.15);
            color: var(--primary-light);
            border: 1px solid rgba(59, 130, 246, 0.15);
        }
        .news-item-title {
            flex: 1;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.85);
        }
        .news-item-title:hover {
            color: var(--primary-light);
        }
        .news-item-date {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        @media (max-width: 640px) {
            .news-item {
                flex-wrap: wrap;
                gap: 10px;
                padding: 14px 16px;
            }
            .news-item-date {
                width: 100%;
                text-align: left;
                font-size: 0.75rem;
            }
            .news-item-title {
                font-size: 0.9rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 20px 24px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            background: var(--bg-card-hover);
            border-color: rgba(59, 130, 246, 0.15);
        }
        .faq-question {
            font-weight: 600;
            font-size: 0.95rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-question i {
            color: var(--text-muted);
            font-size: 0.8rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-answer {
            margin-top: 12px;
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            transform: scale(1.05);
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 36, 0.9) 0%, rgba(15, 23, 36, 0.7) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .cta-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 64px 0;
            }
            .cta-title {
                font-size: 1.8rem;
            }
            .cta-desc {
                font-size: 0.95rem;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(59, 130, 246, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(59, 130, 246, 0.45);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(59, 130, 246, 0.08);
            transform: translateY(-2px);
        }
        .btn-outline:active {
            transform: translateY(0);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: rgba(8, 14, 24, 0.98);
            border-top: 1px solid var(--border-light);
            padding: 60px 0 0;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer ul li a {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.45);
            transition: var(--transition);
        }
        .footer ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 48px;
            padding: 24px 0;
            border-top: 1px solid var(--border-light);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.3);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
        }
        @media (max-width: 768px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer {
                padding: 40px 0 0;
            }
            .footer-bottom {
                margin-top: 32px;
                padding: 18px 0;
            }
        }
        @media (max-width: 520px) {
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            margin-bottom: 20px;
        }
        .divider-center {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== 标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud a {
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.85rem;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            transition: var(--transition);
        }
        .tag-cloud a:hover {
            background: rgba(59, 130, 246, 0.12);
            border-color: rgba(59, 130, 246, 0.2);
            color: var(--primary-light);
            transform: translateY(-2px);
        }

        /* ===== 辅助 ===== */
        .text-gradient {
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .glass {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-light);
        }
        .mt-8 {
            margin-top: 32px;
        }
        .mb-8 {
            margin-bottom: 32px;
        }

        /* ===== 分类标签导航 ===== */
        .subnav-tabs {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-bottom: 40px;
        }
        .subnav-tab {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-muted);
            transition: var(--transition);
            cursor: pointer;
        }
        .subnav-tab:hover {
            background: rgba(59, 130, 246, 0.1);
            color: #fff;
            border-color: rgba(59, 130, 246, 0.2);
        }
        .subnav-tab.active {
            background: rgba(59, 130, 246, 0.15);
            color: var(--primary-light);
            border-color: rgba(59, 130, 246, 0.3);
        }

/* roulang page: category2 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6366f1;
            --primary-dark: #4f46e5;
            --primary-light: #818cf8;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --dark-bg: #0f172a;
            --dark-2: #1e293b;
            --dark-3: #334155;
            --text-white: #ffffff;
            --text-muted: #94a3b8;
            --text-muted-light: #cbd5e1;
            --radius: 0.75rem;
            --radius-lg: 1rem;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 16px 48px rgba(99, 102, 241, 0.2);
            --transition: all 0.3s 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;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', ui-sans-serif, system-ui, sans-serif;
            background: var(--dark-bg);
            color: var(--text-white);
            line-height: 1.7;
            font-size: 1rem;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .search-icon {
            position: absolute;
            left: 16px;
            top: 50%;
            transform: translateY(-50%);
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.9rem;
            pointer-events: none;
            z-index: 2;
        }
        .search-input {
            width: 100%;
            padding: 10px 20px 10px 44px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.9rem;
            border: 1px solid transparent;
            transition: var(--transition);
        }
        .search-input::placeholder {
            color: rgba(255, 255, 255, 0.35);
        }
        .search-input:focus {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
        }
        .desktop-nav {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-link {
            position: relative;
            font-size: 0.95rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            padding: 6px 2px;
            transition: var(--transition);
            letter-spacing: 0.3px;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-light);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-link:hover {
            color: #fff;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-link.active {
            color: #fff;
        }
        .nav-link.active::after {
            width: 100%;
            background: var(--accent);
        }
        .mobile-nav {
            display: none;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-nav {
                display: flex !important;
            }
            .container.flex.items-center {
                flex-wrap: nowrap;
            }
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(30, 41, 59, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat fixed;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            position: relative;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 120px;
            background: linear-gradient(to top, var(--dark-bg), transparent);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 0.75rem;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            line-height: 1.7;
        }
        @media (max-width: 640px) {
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--dark-2);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.06);
            overflow: hidden;
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: rgba(99, 102, 241, 0.25);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 24px;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(99, 102, 241, 0.18);
            color: var(--primary-light);
            letter-spacing: 0.5px;
        }
        .card-tag.amber {
            background: rgba(245, 158, 11, 0.18);
            color: var(--accent);
        }
        .card-tag.green {
            background: rgba(52, 211, 153, 0.18);
            color: #34d399;
        }
        .card-tag.rose {
            background: rgba(244, 63, 94, 0.18);
            color: #f43f5e;
        }

        /* ===== 徽章 / Badge ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-muted-light);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: var(--transition);
        }
        .badge:hover {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
        }
        .badge-primary {
            background: rgba(99, 102, 241, 0.15);
            color: var(--primary-light);
            border-color: rgba(99, 102, 241, 0.2);
        }
        .badge-accent {
            background: rgba(245, 158, 11, 0.15);
            color: var(--accent);
            border-color: rgba(245, 158, 11, 0.2);
        }

        /* ===== 统计数字 ===== */
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.1;
            background: linear-gradient(135deg, var(--primary-light), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-top: 4px;
        }

        /* ===== 时间线 ===== */
        .timeline-item {
            position: relative;
            padding-left: 36px;
            padding-bottom: 36px;
            border-left: 2px solid rgba(99, 102, 241, 0.25);
        }
        .timeline-item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }
        .timeline-dot {
            position: absolute;
            left: -10px;
            top: 2px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--dark-bg);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.3);
        }
        .timeline-dot.amber {
            background: var(--accent);
            box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.3);
        }
        .timeline-dot.green {
            background: #34d399;
            box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.3);
        }

        /* ===== 网格 ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            letter-spacing: 0.3px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.3);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(99, 102, 241, 0.4);
        }
        .btn-outline {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            background: rgba(99, 102, 241, 0.1);
            transform: translateY(-3px);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.3);
        }
        .btn-accent:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 32px rgba(245, 158, 11, 0.4);
        }
        .btn-sm {
            padding: 10px 22px;
            font-size: 0.85rem;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--dark-2);
            border-radius: var(--radius);
            border: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 28px;
            transition: var(--transition);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: rgba(99, 102, 241, 0.2);
        }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }
        .faq-question i {
            color: var(--primary-light);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .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.open .faq-answer {
            max-height: 300px;
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.12), rgba(245, 158, 11, 0.08)), url('/assets/images/backpic/back-3.png') center/cover no-repeat fixed;
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            border: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.7);
            border-radius: inherit;
            z-index: 1;
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--dark-2);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding: 56px 0 32px;
        }
        .footer-title {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: 0.5px;
        }
        .footer a {
            color: var(--text-muted);
            transition: var(--transition);
        }
        .footer a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 24px;
            margin-top: 40px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .page-hero {
                padding: 110px 0 50px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.85rem;
            }
            .footer .grid-4 {
                gap: 28px;
            }
        }

        /* ===== 滚动条 ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--dark-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--dark-3);
            border-radius: 12px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-dark);
        }

        /* ===== 选中文本 ===== */
        ::selection {
            background: rgba(99, 102, 241, 0.35);
            color: #fff;
        }