/* roulang page: index */
/* ===== CSS 设计变量 ===== */
        :root {
            --primary: #0b0e1a;
            --primary-light: #14182b;
            --primary-mid: #1c2340;
            --secondary: #d4a030;
            --secondary-light: #e8bc4a;
            --secondary-glow: rgba(212, 160, 48, 0.25);
            --accent: #2a3a6e;
            --bg-body: #080a14;
            --bg-card: #111624;
            --bg-card-hover: #191f35;
            --text: #f0f2f8;
            --text-muted: #8a8fa8;
            --text-dim: #5a5f78;
            --border: #1e2540;
            --border-light: #2c3560;
            --radius: 18px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 40px rgba(0,0,0,0.5);
            --shadow-sm: 0 4px 16px rgba(0,0,0,0.3);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-height: 72px;
        }
        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            background: var(--bg-body);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:focus-visible { outline: 2px solid var(--secondary); outline-offset: 3px; border-radius: 4px; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; transition: var(--transition); }
        button { cursor: pointer; background: none; }
        button:focus-visible { outline: 2px solid var(--secondary); outline-offset: 3px; border-radius: 6px; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; letter-spacing: -0.01em; }
        /* ===== 容器 ===== */
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 840px; margin: 0 auto; padding: 0 24px; }
        /* ===== 导航 (浮动Dock) ===== */
        .site-header {
            position: fixed; top: 16px; left: 0; right: 0; z-index: 1000;
            display: flex; justify-content: center; pointer-events: none;
            padding: 0 20px;
        }
        .nav-dock {
            pointer-events: auto;
            display: flex; align-items: center; justify-content: space-between;
            width: 100%; max-width: var(--max-width);
            background: rgba(11, 14, 26, 0.82);
            backdrop-filter: blur(18px) saturate(1.3);
            -webkit-backdrop-filter: blur(18px) saturate(1.3);
            border: 1px solid var(--border-light);
            border-radius: 60px;
            padding: 0 28px 0 32px;
            height: 60px;
            box-shadow: 0 8px 40px rgba(0,0,0,0.5), inset 0 1px 0 rgba(255,255,255,0.04);
        }
        .nav-logo {
            font-size: 1.35rem; font-weight: 800; letter-spacing: -0.02em;
            background: linear-gradient(135deg, var(--secondary-light), var(--secondary));
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            background-clip: text;
            display: flex; align-items: center; gap: 8px;
        }
        .nav-logo i { font-size: 1.1rem; -webkit-text-fill-color: var(--secondary); }
        .nav-links { display: flex; align-items: center; gap: 6px; }
        .nav-links a {
            padding: 8px 18px; border-radius: 40px; font-size: 0.9rem; font-weight: 500;
            color: var(--text-muted); transition: var(--transition); white-space: nowrap;
        }
        .nav-links a:hover { color: var(--text); background: rgba(255,255,255,0.06); }
        .nav-links a.active { color: var(--secondary); background: rgba(212,160,48,0.12); }
        .nav-cta {
            display: flex; align-items: center; gap: 12px;
        }
        .nav-cta .btn-search {
            width: 36px; height: 36px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            color: var(--text-muted); background: rgba(255,255,255,0.04);
            border: 1px solid var(--border); font-size: 0.95rem;
            transition: var(--transition);
        }
        .nav-cta .btn-search:hover { color: var(--secondary); border-color: var(--secondary); background: rgba(212,160,48,0.08); }
        .nav-cta .btn-primary-nav {
            padding: 8px 24px; border-radius: 40px; font-weight: 600; font-size: 0.85rem;
            background: var(--secondary); color: #0b0e1a; border: none;
            transition: var(--transition); letter-spacing: 0.01em;
        }
        .nav-cta .btn-primary-nav:hover { background: var(--secondary-light); transform: scale(1.02); }
        /* 移动端菜单按钮 */
        .menu-toggle { display: none; width: 40px; height: 40px; align-items: center; justify-content: center; color: var(--text); font-size: 1.3rem; background: rgba(255,255,255,0.04); border-radius: 50%; border: 1px solid var(--border); cursor: pointer; }
        /* ===== Hero ===== */
        .hero {
            min-height: 100vh; display: flex; align-items: center; justify-content: center;
            position: relative; overflow: hidden; padding: 120px 24px 80px;
            background: linear-gradient(160deg, #0a0e1a 0%, #111a30 50%, #0d1220 100%);
        }
        .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; pointer-events: none;
        }
        .hero::after {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(212,160,48,0.10) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 60%, rgba(42,58,110,0.25) 0%, transparent 50%);
            pointer-events: none;
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 8px 20px; border-radius: 40px; font-size: 0.8rem; font-weight: 500;
            background: rgba(212,160,48,0.10); border: 1px solid rgba(212,160,48,0.20);
            color: var(--secondary-light); margin-bottom: 28px; letter-spacing: 0.02em;
        }
        .hero h1 {
            font-size: clamp(2.6rem, 7vw, 4.2rem); font-weight: 800; line-height: 1.15;
            margin-bottom: 20px; letter-spacing: -0.02em;
        }
        .hero h1 span { background: linear-gradient(135deg, var(--secondary-light), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            font-size: clamp(1.05rem, 2vw, 1.25rem); color: var(--text-muted);
            max-width: 640px; margin: 0 auto 36px; line-height: 1.7;
        }
        .hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn-primary, .btn-secondary {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 34px; border-radius: 50px; font-weight: 600; font-size: 1rem;
            transition: var(--transition); border: none;
        }
        .btn-primary { background: var(--secondary); color: #0b0e1a; }
        .btn-primary:hover { background: var(--secondary-light); transform: translateY(-2px); box-shadow: 0 12px 35px var(--secondary-glow); }
        .btn-secondary { background: rgba(255,255,255,0.06); color: var(--text); border: 1px solid var(--border-light); }
        .btn-secondary:hover { background: rgba(255,255,255,0.10); transform: translateY(-2px); }
        .hero-stats {
            display: flex; justify-content: center; gap: 40px; margin-top: 48px;
            padding-top: 36px; border-top: 1px solid rgba(255,255,255,0.06);
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 1.8rem; font-weight: 800; color: var(--secondary-light); }
        .hero-stat .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 4px; }
        /* ===== 板块通用 ===== */
        .section { padding: 80px 24px; }
        .section-alt { background: var(--bg-card); }
        .section-dark { background: var(--primary-light); }
        .section-header { text-align: center; margin-bottom: 56px; }
        .section-header h2 { font-size: clamp(1.8rem, 4vw, 2.6rem); font-weight: 700; margin-bottom: 12px; }
        .section-header p { color: var(--text-muted); max-width: 560px; margin: 0 auto; font-size: 1.05rem; }
        .section-tag {
            display: inline-block; padding: 4px 16px; border-radius: 40px;
            font-size: 0.75rem; font-weight: 600; letter-spacing: 0.04em;
            background: rgba(212,160,48,0.08); color: var(--secondary-light);
            margin-bottom: 14px; text-transform: uppercase;
        }
        /* ===== 卡片网格 ===== */
        .grid-3, .grid-4, .grid-2 { display: grid; gap: 28px; }
        .grid-3 { grid-template-columns: repeat(3, 1fr); }
        .grid-4 { grid-template-columns: repeat(4, 1fr); }
        .grid-2 { grid-template-columns: repeat(2, 1fr); }
        .card {
            background: var(--bg-card); border-radius: var(--radius);
            border: 1px solid var(--border); padding: 32px 28px;
            transition: var(--transition); position: relative; overflow: hidden;
        }
        .card:hover { transform: translateY(-4px); border-color: var(--border-light); box-shadow: var(--shadow); background: var(--bg-card-hover); }
        .card-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 18px; background: rgba(212,160,48,0.08); color: var(--secondary); }
        .card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; }
        .card p { color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; }
        .card .badge-group { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
        .badge { display: inline-block; padding: 4px 14px; border-radius: 40px; font-size: 0.75rem; font-weight: 500; background: rgba(255,255,255,0.04); color: var(--text-muted); border: 1px solid var(--border); }
        .badge-hot { background: rgba(212,48,48,0.12); color: #f06a6a; border-color: rgba(212,48,48,0.20); }
        /* ===== 封面卡片 ===== */
        .cover-card {
            border-radius: var(--radius); overflow: hidden; background: var(--bg-card);
            border: 1px solid var(--border); transition: var(--transition);
        }
        .cover-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); border-color: var(--border-light); }
        .cover-card .img-wrap { height: 200px; overflow: hidden; position: relative; }
        .cover-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .cover-card:hover .img-wrap img { transform: scale(1.05); }
        .cover-card .body { padding: 20px 22px 24px; }
        .cover-card .body h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; }
        .cover-card .body p { color: var(--text-muted); font-size: 0.88rem; }
        .cover-card .body .meta { display: flex; align-items: center; gap: 14px; margin-top: 14px; font-size: 0.8rem; color: var(--text-dim); }
        .cover-card .body .meta i { margin-right: 4px; }
        /* ===== 统计数字 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
        .stat-item { text-align: center; padding: 32px 20px; background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); transition: var(--transition); }
        .stat-item:hover { border-color: var(--border-light); transform: translateY(-2px); }
        .stat-item .num { font-size: 2.4rem; font-weight: 800; background: linear-gradient(135deg, var(--secondary-light), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .stat-item .label { color: var(--text-muted); font-size: 0.9rem; margin-top: 6px; }
        /* ===== 资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex; align-items: center; gap: 18px;
            padding: 18px 22px; background: var(--bg-card); border-radius: var(--radius-sm);
            border: 1px solid var(--border); transition: var(--transition);
        }
        .news-item:hover { background: var(--bg-card-hover); border-color: var(--border-light); transform: translateX(4px); }
        .news-item .tag { flex-shrink: 0; padding: 4px 14px; border-radius: 40px; font-size: 0.7rem; font-weight: 600; background: rgba(212,160,48,0.08); color: var(--secondary-light); }
        .news-item .title { flex: 1; font-weight: 500; font-size: 0.95rem; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
        .news-item .date { flex-shrink: 0; color: var(--text-dim); font-size: 0.8rem; }
        .news-empty { padding: 32px; text-align: center; color: var(--text-muted); background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border); }
        /* ===== 流程步骤 ===== */
        .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
        .step { text-align: center; padding: 32px 20px; background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border); position: relative; transition: var(--transition); }
        .step:hover { border-color: var(--border-light); transform: translateY(-3px); }
        .step .num { width: 44px; height: 44px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.1rem; background: var(--secondary); color: #0b0e1a; margin: 0 auto 16px; }
        .step h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; }
        .step p { color: var(--text-muted); font-size: 0.85rem; }
        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; 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); overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--border-light); }
        .faq-item summary { padding: 18px 24px; font-weight: 600; font-size: 0.98rem; cursor: pointer; display: flex; align-items: center; justify-content: space-between; list-style: none; }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after { content: '\f107'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 1rem; color: var(--text-muted); transition: var(--transition); }
        .faq-item[open] summary::after { transform: rotate(180deg); color: var(--secondary); }
        .faq-item .answer { padding: 0 24px 18px; color: var(--text-muted); font-size: 0.92rem; line-height: 1.7; }
        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(145deg, var(--primary-mid), var(--primary-light));
            border-radius: var(--radius); padding: 56px 48px; text-align: center;
            border: 1px solid var(--border-light); 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: 0.08; pointer-events: none; }
        .cta-block h3 { font-size: 1.8rem; font-weight: 700; margin-bottom: 12px; position: relative; }
        .cta-block p { color: var(--text-muted); max-width: 480px; margin: 0 auto 28px; font-size: 1.02rem; position: relative; }
        .cta-block .btn-primary { position: relative; }
        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary); border-top: 1px solid var(--border);
            padding: 48px 24px 24px;
        }
        .footer-inner { max-width: var(--max-width); margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .nav-logo { margin-bottom: 12px; }
        .footer-brand p { color: var(--text-muted); font-size: 0.85rem; max-width: 280px; line-height: 1.7; }
        .footer-col h4 { font-size: 0.9rem; font-weight: 600; margin-bottom: 16px; color: var(--text); }
        .footer-col a { display: block; color: var(--text-muted); font-size: 0.85rem; padding: 4px 0; }
        .footer-col a:hover { color: var(--secondary); }
        .footer-bottom { max-width: var(--max-width); margin: 32px auto 0; padding-top: 20px; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.8rem; color: var(--text-dim); }
        .footer-bottom a { color: var(--text-dim); }
        .footer-bottom a:hover { color: var(--secondary); }
        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .steps { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .site-header { top: 12px; padding: 0 12px; }
            .nav-dock { padding: 0 16px 0 20px; height: 54px; border-radius: 40px; }
            .nav-links { display: none; }
            .menu-toggle { display: flex; }
            .nav-links.mobile-open { display: flex; flex-direction: column; position: absolute; top: 64px; left: 12px; right: 12px; background: rgba(11,14,26,0.96); backdrop-filter: blur(20px); border: 1px solid var(--border-light); border-radius: 20px; padding: 16px; gap: 4px; }
            .nav-links.mobile-open a { padding: 12px 18px; border-radius: 12px; }
            .hero { padding: 100px 16px 60px; min-height: 90vh; }
            .hero h1 { font-size: clamp(2rem, 8vw, 2.8rem); }
            .hero-stats { gap: 24px; }
            .grid-3, .grid-2 { grid-template-columns: 1fr; }
            .section { padding: 56px 16px; }
            .section-header { margin-bottom: 36px; }
            .stats-grid { gap: 16px; }
            .stat-item .num { font-size: 1.8rem; }
            .cta-block { padding: 36px 24px; }
            .cta-block h3 { font-size: 1.4rem; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .news-item { flex-direction: column; align-items: flex-start; gap: 8px; }
            .news-item .date { align-self: flex-end; }
            .cover-card .img-wrap { height: 160px; }
        }
        @media (max-width: 520px) {
            .nav-dock { padding: 0 12px 0 16px; height: 48px; }
            .nav-logo { font-size: 1.1rem; }
            .nav-cta .btn-primary-nav { padding: 6px 16px; font-size: 0.75rem; }
            .nav-cta .btn-search { width: 32px; height: 32px; font-size: 0.8rem; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .btn-primary, .btn-secondary { padding: 10px 24px; font-size: 0.9rem; }
            .hero-stats { gap: 16px; }
            .hero-stat .num { font-size: 1.3rem; }
            .steps { grid-template-columns: 1fr; }
            .grid-4 { grid-template-columns: 1fr; }
            .card { padding: 24px 20px; }
            .faq-item summary { padding: 14px 18px; font-size: 0.9rem; }
        }
        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mt-32 { margin-top: 32px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a8e;
            --primary-dark: #0f1a45;
            --secondary: #e94560;
            --secondary-light: #ff6b81;
            --accent: #f5c518;
            --bg-body: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a45;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-light: #8888aa;
            --text-white: #ffffff;
            --border-color: #e8e8f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 20px 60px rgba(26, 42, 108, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --spacing-xs: 0.5rem;
            --spacing-sm: 1rem;
            --spacing-md: 2rem;
            --spacing-lg: 4rem;
            --spacing-xl: 6rem;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            padding-top: var(--nav-height);
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--secondary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: 1rem; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; color: var(--text-primary); font-weight: 700; }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1rem; color: var(--text-secondary); }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
        }

        /* ===== 导航 Dock ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(232, 232, 240, 0.6);
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: var(--shadow-md); }
        .nav-dock {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
            height: 100%;
            gap: 1rem;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .nav-logo i { color: var(--accent); font-size: 1.4rem; }
        .nav-logo:hover { color: var(--primary); opacity: 0.9; }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            flex: 1;
            justify-content: center;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.1rem;
            border-radius: 100px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-links a i { font-size: 0.85rem; }
        .nav-links a:hover { background: rgba(26, 42, 108, 0.06); color: var(--primary); }
        .nav-links a.active { background: var(--primary); color: var(--text-white); box-shadow: 0 4px 15px rgba(26, 42, 108, 0.25); }
        .nav-links a.active:hover { background: var(--primary-light); color: var(--text-white); }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .btn-search {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 1rem;
            transition: var(--transition);
            background: transparent;
        }
        .btn-search:hover { background: rgba(26, 42, 108, 0.06); color: var(--primary); }
        .btn-primary-nav {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.4rem;
            border-radius: 100px;
            background: var(--secondary);
            color: var(--text-white);
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(233, 69, 96, 0.3);
            white-space: nowrap;
        }
        .btn-primary-nav:hover { background: var(--secondary-light); color: var(--text-white); transform: translateY(-2px); box-shadow: 0 8px 25px rgba(233, 69, 96, 0.4); }
        .menu-toggle { display: none; width: 40px; height: 40px; border-radius: 50%; align-items: center; justify-content: center; color: var(--text-primary); font-size: 1.3rem; background: transparent; transition: var(--transition); }
        .menu-toggle:hover { background: rgba(26, 42, 108, 0.06); }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 1rem 1.5rem 1.5rem;
                gap: 0.5rem;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-md);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links a {
                width: 100%;
                justify-content: center;
                padding: 0.7rem 1.2rem;
                font-size: 1rem;
            }
            .menu-toggle { display: flex; }
            .btn-primary-nav { display: none; }
            .nav-cta .btn-primary-nav { display: none; }
            .nav-dock { padding: 0 0.75rem; }
            .nav-logo { font-size: 1.1rem; }
        }
        @media (max-width: 520px) {
            .nav-logo { font-size: 1rem; }
            .nav-logo i { font-size: 1.2rem; }
        }

        /* ===== 文章 Banner ===== */
        .article-banner {
            position: relative;
            padding: 3rem 0 2.5rem;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .article-banner .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.7);
            margin-bottom: 1rem;
            flex-wrap: wrap;
        }
        .article-banner .breadcrumb a { color: rgba(255,255,255,0.8); }
        .article-banner .breadcrumb a:hover { color: var(--accent); }
        .article-banner .breadcrumb .sep { color: rgba(255,255,255,0.4); }
        .article-banner .breadcrumb .current { color: var(--accent); font-weight: 500; }
        .article-banner h1 {
            font-size: 2.2rem;
            color: var(--text-white);
            max-width: 900px;
            margin: 0 auto 0.75rem;
            text-shadow: 0 2px 20px rgba(0,0,0,0.2);
        }
        .article-banner .meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.5rem;
            color: rgba(255,255,255,0.75);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .article-banner .meta span { display: flex; align-items: center; gap: 0.4rem; }
        .article-banner .meta i { font-size: 0.8rem; }
        .article-banner .meta .category-tag {
            display: inline-block;
            padding: 0.2rem 0.9rem;
            border-radius: 100px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        @media (max-width: 768px) {
            .article-banner { padding: 2rem 0 1.8rem; min-height: 200px; }
            .article-banner h1 { font-size: 1.6rem; }
            .article-banner .meta { gap: 0.8rem; font-size: 0.8rem; }
        }
        @media (max-width: 520px) {
            .article-banner h1 { font-size: 1.3rem; }
            .article-banner .meta { flex-direction: column; gap: 0.4rem; }
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: var(--spacing-lg) 0;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: var(--spacing-md);
        }
        .article-content {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .article-content .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 2rem;
            max-height: 480px;
            object-fit: cover;
        }
        .article-content .body-text {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text-secondary);
        }
        .article-content .body-text h2 { margin-top: 2rem; margin-bottom: 1rem; font-size: 1.5rem; }
        .article-content .body-text h3 { margin-top: 1.5rem; margin-bottom: 0.75rem; font-size: 1.2rem; }
        .article-content .body-text p { margin-bottom: 1.2rem; }
        .article-content .body-text ul, .article-content .body-text ol { margin-bottom: 1.2rem; padding-left: 1.5rem; list-style: disc; }
        .article-content .body-text li { margin-bottom: 0.4rem; color: var(--text-secondary); }
        .article-content .body-text a { color: var(--secondary); text-decoration: underline; }
        .article-content .body-text a:hover { color: var(--secondary-light); }
        .article-content .body-text img { border-radius: var(--radius-md); margin: 1.5rem 0; }
        .article-content .body-text blockquote {
            border-left: 4px solid var(--secondary);
            padding: 1rem 1.5rem;
            margin: 1.5rem 0;
            background: rgba(233, 69, 96, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-secondary);
        }
        .article-foot {
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .article-foot .tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
        .article-foot .tags .tag {
            display: inline-block;
            padding: 0.25rem 0.9rem;
            border-radius: 100px;
            background: rgba(26, 42, 108, 0.06);
            color: var(--text-secondary);
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-foot .tags .tag:hover { background: var(--primary); color: var(--text-white); }
        .article-foot .share { display: flex; align-items: center; gap: 0.5rem; }
        .article-foot .share span { font-size: 0.85rem; color: var(--text-light); }
        .article-foot .share a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(26, 42, 108, 0.06);
            color: var(--text-secondary);
            font-size: 0.85rem;
            transition: var(--transition);
        }
        .article-foot .share a:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            margin-bottom: 1rem;
            padding-bottom: 0.6rem;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }
        .sidebar-card .related-list { display: flex; flex-direction: column; gap: 0.75rem; }
        .sidebar-card .related-list a {
            display: flex;
            gap: 0.75rem;
            align-items: flex-start;
            padding: 0.6rem;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .sidebar-card .related-list a:hover { background: rgba(26, 42, 108, 0.04); }
        .sidebar-card .related-list a img {
            width: 64px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-card .related-list a .info { flex: 1; }
        .sidebar-card .related-list a .info .title {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .sidebar-card .related-list a .info .date {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 0.25rem;
        }
        .sidebar-card .cat-list { display: flex; flex-direction: column; gap: 0.4rem; }
        .sidebar-card .cat-list a {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 0.75rem;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            color: var(--text-secondary);
            transition: var(--transition);
        }
        .sidebar-card .cat-list a:hover { background: rgba(26, 42, 108, 0.06); color: var(--primary); padding-left: 1.1rem; }
        .sidebar-card .cat-list a i { font-size: 0.8rem; color: var(--accent); }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: var(--text-white);
            padding: 2rem 1.5rem;
            text-align: center;
            border: none;
        }
        .sidebar-cta h4 { color: var(--text-white); font-size: 1.1rem; margin-bottom: 0.6rem; }
        .sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 0.9rem; margin-bottom: 1.2rem; }
        .sidebar-cta .btn-cta-side {
            display: inline-block;
            padding: 0.6rem 1.8rem;
            border-radius: 100px;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .sidebar-cta .btn-cta-side:hover { background: #ffd84d; transform: translateY(-2px); box-shadow: 0 8px 25px rgba(0,0,0,0.2); }

        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
        }
        @media (max-width: 768px) {
            .article-content { padding: 1.5rem; }
            .article-sidebar { grid-template-columns: 1fr; }
            .article-main { padding: var(--spacing-md) 0; }
        }
        @media (max-width: 520px) {
            .article-content { padding: 1rem; border-radius: var(--radius-md); }
            .article-content .body-text { font-size: 0.98rem; }
            .article-foot { flex-direction: column; align-items: flex-start; }
        }

        /* ===== 内容未找到 ===== */
        .not-found-box {
            text-align: center;
            padding: 3rem 1.5rem;
        }
        .not-found-box i { font-size: 3.5rem; color: var(--text-light); margin-bottom: 1rem; }
        .not-found-box h2 { font-size: 1.6rem; color: var(--text-primary); margin-bottom: 0.5rem; }
        .not-found-box p { color: var(--text-secondary); margin-bottom: 1.5rem; }
        .not-found-box .btn-back {
            display: inline-block;
            padding: 0.7rem 2rem;
            border-radius: 100px;
            background: var(--primary);
            color: var(--text-white);
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover { background: var(--primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: var(--spacing-lg) 0 0;
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-sm);
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 2.5rem;
        }
        .footer-brand .nav-logo { color: var(--text-white); font-size: 1.2rem; margin-bottom: 0.8rem; }
        .footer-brand .nav-logo i { color: var(--accent); }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.65); line-height: 1.7; max-width: 320px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 1rem; font-weight: 600; letter-spacing: 0.3px; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.65);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-col a i { margin-right: 0.4rem; width: 1rem; }
        .footer-bottom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 1.5rem var(--spacing-sm);
            border-top: 1px solid rgba(255,255,255,0.1);
            margin-top: 2.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.5);
        }
        .footer-bottom a { color: rgba(255,255,255,0.7); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 768px) {
            .footer-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
            .footer-brand { grid-column: 1 / -1; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .footer-inner { grid-template-columns: 1fr; gap: 1.2rem; }
        }

        /* ===== 加载动画 ===== */
        .fade-in { animation: fadeIn 0.6s ease forwards; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

        /* ===== 文章内代码高亮风格 ===== */
        .body-text code {
            background: rgba(26, 42, 108, 0.06);
            padding: 0.2rem 0.5rem;
            border-radius: 4px;
            font-size: 0.9em;
            font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
        }
        .body-text pre {
            background: #1a1a2e;
            color: #e4e4f0;
            padding: 1.5rem;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 1.5rem 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .body-text pre code { background: transparent; padding: 0; color: inherit; font-size: inherit; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a1a3e;
            --primary-light: #2a2a6e;
            --primary-dark: #0f0f2a;
            --accent: #f5c518;
            --accent-hover: #e0b214;
            --accent-light: #fef7e0;
            --bg: #f0f2f8;
            --bg-card: #ffffff;
            --bg-dark: #14142e;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-white: #ffffff;
            --border: #e5e7eb;
            --border-light: #f0f2f6;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 20px rgba(245, 197, 24, 0.35);
            --space-xs: 4px;
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 32px;
            --space-xl: 48px;
            --space-2xl: 72px;
            --space-3xl: 100px;
            --max-width: 1200px;
            --nav-height: 70px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--nav-height);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius);
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2rem, 5vw, 3.6rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3.5vw, 2.6rem);
            margin-bottom: var(--space-md);
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
        }
        h4 {
            font-size: 1.1rem;
        }

        p {
            margin-bottom: var(--space-md);
            color: var(--text-light);
        }

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

        .section-padding {
            padding: var(--space-2xl) 0;
        }

        .text-center {
            text-align: center;
        }
        .text-accent {
            color: var(--accent);
        }

        .section-label {
            display: inline-block;
            background: var(--accent-light);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: var(--space-sm);
        }

        /* ===== Navigation (Floating Dock) ===== */
        .site-header {
            position: fixed;
            top: 16px;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            justify-content: center;
            padding: 0 var(--space-lg);
            pointer-events: none;
        }

        .nav-dock {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-radius: var(--radius-xl);
            padding: 8px 16px 8px 24px;
            box-shadow: 0 4px 32px rgba(0, 0, 0, 0.10);
            border: 1px solid rgba(255, 255, 255, 0.6);
            max-width: 1100px;
            width: 100%;
            transition: box-shadow var(--transition), background var(--transition);
        }

        .nav-dock:hover {
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.14);
            background: rgba(255, 255, 255, 0.97);
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary) !important;
            white-space: nowrap;
            letter-spacing: -0.01em;
        }
        .nav-logo i {
            color: var(--accent);
            font-size: 1.3rem;
        }
        .nav-logo:hover {
            color: var(--primary-light) !important;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            border-radius: 100px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            white-space: nowrap;
            transition: background var(--transition), color var(--transition);
        }
        .nav-links a i {
            font-size: 0.85rem;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .nav-links a:hover {
            background: var(--accent-light);
            color: var(--primary);
        }
        .nav-links a:hover i {
            color: var(--accent-hover);
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--text-white);
        }
        .nav-links a.active i {
            color: var(--accent);
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .btn-search {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1rem;
            transition: background var(--transition), color var(--transition);
        }
        .btn-search:hover {
            background: var(--accent-light);
            color: var(--primary);
        }
        .btn-search:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-primary-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 600;
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 0.9rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            white-space: nowrap;
        }
        .btn-primary-nav:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: var(--shadow-accent);
            color: var(--primary-dark) !important;
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.2rem;
            background: var(--accent-light);
            transition: background var(--transition);
        }
        .menu-toggle:hover {
            background: var(--accent);
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            padding: var(--space-3xl) 0 var(--space-2xl);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .category-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;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(245, 197, 24, 0.10) 0%, transparent 70%);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero h1 {
            color: var(--text-white);
            font-size: clamp(2.2rem, 5.5vw, 4rem);
            margin-bottom: var(--space-sm);
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .category-hero h1 i {
            color: var(--accent);
            margin-right: 8px;
        }
        .category-hero p {
            color: rgba(255, 255, 255, 0.85);
            font-size: clamp(1rem, 2vw, 1.25rem);
            max-width: 700px;
            margin: 0 auto var(--space-lg);
            line-height: 1.7;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(245, 197, 24, 0.20);
            color: var(--accent);
            padding: 6px 20px;
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            border: 1px solid rgba(245, 197, 24, 0.25);
            margin-bottom: var(--space-md);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }
        .btn-outline-light {
            background: transparent;
            color: var(--text-white);
            border: 2px solid rgba(255, 255, 255, 0.35);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-outline-primary {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--border);
        }
        .btn-outline-primary:hover {
            border-color: var(--accent);
            color: var(--primary);
            background: var(--accent-light);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: var(--space-lg);
        }
        .card-body h3 {
            margin-bottom: var(--space-sm);
        }
        .card-body p {
            font-size: 0.95rem;
            margin-bottom: var(--space-sm);
        }
        .card-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: var(--space-sm);
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-lg);
        }
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: var(--space-lg);
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: var(--space-lg);
        }

        /* ===== Stats ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            text-align: center;
        }
        .stat-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: var(--space-lg) var(--space-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .stat-number {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-number .accent {
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-top: var(--space-xs);
        }

        /* ===== Steps / Timeline ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-lg);
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: var(--space-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            text-align: center;
            position: relative;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            display: block;
            width: 48px;
            height: 48px;
            line-height: 48px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary);
            font-size: 1.3rem;
            font-weight: 800;
            margin: 0 auto var(--space-md);
        }
        .step-card h4 {
            margin-bottom: var(--space-sm);
        }
        .step-card p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-md) var(--space-lg);
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            background: none;
            text-align: left;
            transition: background var(--transition);
            gap: var(--space-md);
        }
        .faq-question:hover {
            background: var(--accent-light);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 1.1rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 var(--space-lg);
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 var(--space-lg) var(--space-lg);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: var(--space-2xl) var(--space-xl);
            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: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: var(--text-white);
            margin-bottom: var(--space-sm);
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto var(--space-lg);
            font-size: 1.1rem;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--space-2xl) 0 var(--space-lg);
            margin-top: var(--space-2xl);
        }
        .footer-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--space-lg);
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: var(--space-xl);
        }
        .footer-brand .nav-logo {
            color: var(--text-white) !important;
            font-size: 1.3rem;
            margin-bottom: var(--space-sm);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            margin-bottom: 0;
            max-width: 300px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: var(--space-md);
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            max-width: var(--max-width);
            margin: var(--space-xl) auto 0;
            padding: var(--space-lg) var(--space-lg) 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: var(--space-sm);
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: var(--accent);
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }

        /* ===== Feature Icons ===== */
        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--accent);
            background: var(--accent-light);
            margin-bottom: var(--space-md);
            transition: background var(--transition), transform var(--transition);
        }
        .card:hover .feature-icon {
            background: var(--accent);
            color: var(--primary);
            transform: scale(1.05);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            padding: var(--space-md) 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-light);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--primary);
            font-weight: 500;
        }
        .breadcrumb i {
            font-size: 0.6rem;
            color: var(--text-light);
        }

        /* ===== Content Section ===== */
        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--space-xl);
            align-items: center;
        }
        .content-block.reverse {
            direction: rtl;
        }
        .content-block.reverse>* {
            direction: ltr;
        }
        .content-block .text-side h2 {
            margin-bottom: var(--space-sm);
        }
        .content-block .text-side p {
            font-size: 1rem;
        }
        .content-block .img-side img {
            width: 100%;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .check-list {
            display: flex;
            flex-direction: column;
            gap: var(--space-sm);
            margin-top: var(--space-md);
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text);
        }
        .check-list li i {
            color: var(--accent);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .content-block {
                grid-template-columns: 1fr;
                gap: var(--space-lg);
            }
            .content-block.reverse {
                direction: ltr;
            }
            .category-hero {
                min-height: 260px;
                padding: var(--space-2xl) 0 var(--space-xl);
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 66px;
            }
            body {
                padding-top: var(--nav-height);
            }
            .site-header {
                top: 10px;
                padding: 0 var(--space-md);
            }
            .nav-dock {
                padding: 6px 12px 6px 16px;
                border-radius: var(--radius-lg);
            }
            .nav-logo {
                font-size: 1rem;
            }
            .nav-logo i {
                font-size: 1.1rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 12px);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                border-radius: var(--radius);
                padding: var(--space-sm);
                box-shadow: var(--shadow-lg);
                flex-direction: column;
                border: 1px solid var(--border);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-cta .btn-primary-nav {
                display: none;
            }
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-md);
            }
            .footer-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .category-hero {
                min-height: 220px;
                padding: var(--space-xl) 0 var(--space-lg);
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .cta-section {
                padding: var(--space-xl) var(--space-lg);
                border-radius: var(--radius);
            }
            .section-padding {
                padding: var(--space-xl) 0;
            }
            .content-block .img-side img {
                max-height: 260px;
                object-fit: cover;
            }
            .faq-question {
                padding: var(--space-md);
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 var(--space-md);
            }
            .faq-item.active .faq-answer {
                padding: 0 var(--space-md) var(--space-md);
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .site-header {
                top: 6px;
                padding: 0 var(--space-sm);
            }
            .nav-dock {
                padding: 4px 8px 4px 12px;
                border-radius: 16px;
            }
            .nav-logo {
                font-size: 0.9rem;
                gap: 4px;
            }
            .nav-logo i {
                font-size: 0.95rem;
            }
            .nav-links a {
                font-size: 0.85rem;
                padding: 8px 12px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-sm);
            }
            .stat-item {
                padding: var(--space-md);
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero p {
                font-size: 0.9rem;
            }
            .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .card-body {
                padding: var(--space-md);
            }
            .step-card {
                padding: var(--space-md);
            }
            .step-card::before {
                width: 40px;
                height: 40px;
                line-height: 40px;
                font-size: 1.1rem;
            }
            .feature-icon {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
            .section-padding {
                padding: var(--space-lg) 0;
            }
            .container {
                padding: 0 var(--space-md);
            }
            .footer-bottom {
                font-size: 0.78rem;
            }
        }