/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --primary-bg: #eff6ff;
  --accent: #f59e0b;
  --accent-dark: #d97706;
  --accent-light: #fef3c7;
  --bg: #f8fafc;
  --bg-white: #ffffff;
  --bg-dark: #0f172a;
  --bg-gray: #f1f5f9;
  --text: #1e293b;
  --text-light: #64748b;
  --text-lighter: #94a3b8;
  --text-white: #ffffff;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 8px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
  --shadow-md: 0 6px 12px -2px rgba(0,0,0,0.1), 0 3px 6px -2px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 24px -6px rgba(0,0,0,0.12), 0 6px 12px -4px rgba(0,0,0,0.06);
  --shadow-xl: 0 20px 40px -8px rgba(0,0,0,0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container: 1200px;
  --container-narrow: 960px;
  --header-top-h: 60px;
  --header-nav-h: 50px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
}

/* ===== 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); font-size: 16px; line-height: 1.7; color: var(--text); background: var(--bg); }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
input, button, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
p { margin-bottom: 1rem; color: var(--text-light); }
p:last-child { margin-bottom: 0; }

/* ===== 容器 ===== */
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 20px; }
.container-narrow { max-width: var(--container-narrow); }

/* ===== 板块标题 ===== */
.section-header { text-align: center; margin-bottom: 48px; }
.section-header h2 { font-size: 2rem; margin-bottom: 12px; position: relative; display: inline-block; }
.section-header h2::after { content: ''; display: block; width: 60px; height: 4px; background: var(--primary); border-radius: 2px; margin: 12px auto 0; }
.section-header p { font-size: 1.1rem; color: var(--text-light); max-width: 600px; margin: 16px auto 0; }

/* ===== Header / 导航 ===== */
.site-header { position: sticky; top: 0; z-index: 1000; background: var(--bg-white); box-shadow: 0 1px 3px rgba(0,0,0,0.06); }

/* 品牌行 */
.header-top { background: var(--bg-dark); height: var(--header-top-h); display: flex; align-items: center; }
.header-top .container { display: flex; align-items: center; justify-content: space-between; }
.site-logo { font-size: 1.4rem; font-weight: 800; color: var(--text-white); letter-spacing: 0.5px; display: flex; align-items: center; gap: 10px; }
.site-logo i { color: var(--accent); font-size: 1.6rem; }
.site-logo:hover { color: var(--accent); }
.header-search { display: flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.12); border-radius: var(--radius); padding: 4px 12px 4px 16px; border: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
.header-search:focus-within { background: rgba(255,255,255,0.18); border-color: rgba(255,255,255,0.3); }
.header-search input { background: transparent; border: none; color: var(--text-white); padding: 6px 0; width: 180px; font-size: 0.9rem; }
.header-search input::placeholder { color: rgba(255,255,255,0.5); }
.header-search button { background: transparent; color: rgba(255,255,255,0.6); cursor: pointer; padding: 4px 8px; font-size: 0.95rem; transition: var(--transition); }
.header-search button:hover { color: var(--accent); }

/* 频道行 */
.header-nav { height: var(--header-nav-h); background: var(--bg-white); border-bottom: 1px solid var(--border); display: flex; align-items: center; }
.header-nav .container { display: flex; align-items: center; gap: 4px; }
.nav-link { display: inline-flex; align-items: center; gap: 6px; padding: 6px 18px; font-size: 0.95rem; font-weight: 500; color: var(--text-light); border-radius: var(--radius); transition: var(--transition); position: relative; }
.nav-link i { font-size: 0.85rem; }
.nav-link:hover { color: var(--primary); background: var(--primary-bg); }
.nav-link.active { color: var(--primary); background: var(--primary-bg); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; bottom: -1px; left: 50%; transform: translateX(-50%); width: 60%; height: 3px; background: var(--primary); border-radius: 3px 3px 0 0; }

/* ===== Hero 首屏 ===== */
.hero { position: relative; min-height: 480px; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; filter: brightness(0.55); z-index: 0; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,23,42,0.7) 0%, rgba(37,99,235,0.3) 100%); }
.hero-content { position: relative; z-index: 1; color: var(--text-white); max-width: 720px; padding: 80px 0; }
.hero-content h1 { font-size: 3rem; font-weight: 800; color: var(--text-white); margin-bottom: 20px; line-height: 1.2; }
.hero-content h1 span { color: var(--accent); }
.hero-content p { font-size: 1.2rem; color: rgba(255,255,255,0.85); margin-bottom: 32px; line-height: 1.6; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 32px; font-size: 1rem; font-weight: 600; border-radius: var(--radius); cursor: pointer; transition: var(--transition); border: none; text-align: center; }
.btn-primary { background: var(--primary); color: var(--text-white); box-shadow: 0 4px 12px rgba(37,99,235,0.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(37,99,235,0.45); color: var(--text-white); }
.btn-accent { background: var(--accent); color: var(--bg-dark); box-shadow: 0 4px 12px rgba(245,158,11,0.35); }
.btn-accent:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245,158,11,0.45); color: var(--bg-dark); }
.btn-outline { background: transparent; color: var(--text-white); border: 2px solid rgba(255,255,255,0.4); }
.btn-outline:hover { border-color: var(--text-white); background: rgba(255,255,255,0.1); color: var(--text-white); transform: translateY(-2px); }
.btn-sm { padding: 8px 20px; font-size: 0.9rem; }

/* ===== 板块通用 ===== */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-white); }
.section-gray { background: var(--bg-gray); }
.section-dark { background: var(--bg-dark); color: var(--text-white); }
.section-dark h2, .section-dark h3, .section-dark p { color: var(--text-white); }
.section-dark .section-header p { color: rgba(255,255,255,0.7); }
.section-dark .section-header h2::after { background: var(--accent); }

/* ===== 平台特色 ===== */
.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.feature-card { background: var(--bg-white); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); }
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-icon { width: 64px; height: 64px; background: var(--primary-bg); border-radius: var(--radius); display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 1.8rem; color: var(--primary); transition: var(--transition); }
.feature-card:hover .feature-icon { background: var(--primary); color: var(--text-white); }
.feature-card h3 { font-size: 1.2rem; margin-bottom: 12px; }
.feature-card p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 0; }

/* ===== 分类卡片 ===== */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.category-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); background: var(--bg-white); border: 1px solid var(--border); }
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.category-card-img { width: 100%; height: 200px; object-fit: cover; display: block; }
.category-card-body { padding: 24px; }
.category-card-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
.category-card-body p { font-size: 0.95rem; color: var(--text-light); margin-bottom: 16px; }
.category-card-body .btn { font-size: 0.9rem; padding: 8px 20px; }

/* ===== 最新资讯列表 ===== */
.post-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.post-card { background: var(--bg-white); border-radius: var(--radius-md); padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); transition: var(--transition); display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.post-category { display: inline-block; font-size: 0.8rem; font-weight: 600; color: var(--primary); background: var(--primary-bg); padding: 3px 12px; border-radius: 20px; margin-bottom: 10px; align-self: flex-start; }
.post-card h3 { font-size: 1.1rem; margin-bottom: 10px; line-height: 1.4; }
.post-card h3 a { color: var(--text); }
.post-card h3 a:hover { color: var(--primary); }
.post-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 14px; flex: 1; }
.post-meta { display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--text-lighter); border-top: 1px solid var(--border-light); padding-top: 14px; }
.post-meta i { margin-right: 4px; }
.post-empty { grid-column: 1 / -1; text-align: center; padding: 48px 20px; color: var(--text-light); background: var(--bg-gray); border-radius: var(--radius-md); font-size: 1.1rem; }

/* ===== 数据统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.06); border-radius: var(--radius-lg); border: 1px solid rgba(255,255,255,0.1); transition: var(--transition); }
.stat-card:hover { background: rgba(255,255,255,0.1); transform: translateY(-3px); }
.stat-number { font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 8px; }
.stat-label { font-size: 1rem; color: rgba(255,255,255,0.75); }

/* ===== 使用流程 ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.step-card { text-align: center; padding: 32px 20px; background: var(--bg-white); border-radius: var(--radius-lg); box-shadow: var(--shadow); border: 1px solid var(--border); position: relative; transition: var(--transition); }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-number { width: 48px; height: 48px; background: var(--primary); color: var(--text-white); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.3rem; font-weight: 700; margin: 0 auto 16px; }
.step-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.step-card p { font-size: 0.9rem; color: var(--text-light); margin-bottom: 0; }
.step-connector { display: none; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-md); margin-bottom: 12px; box-shadow: var(--shadow); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question { padding: 18px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; color: var(--text); font-size: 1.05rem; transition: var(--transition); }
.faq-question i { color: var(--text-lighter); transition: var(--transition); font-size: 0.9rem; }
.faq-item.active .faq-question i { transform: rotate(180deg); color: var(--primary); }
.faq-answer { padding: 0 24px 18px; color: var(--text-light); font-size: 0.95rem; line-height: 1.7; display: none; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question { color: var(--primary); }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%); padding: 72px 0; text-align: center; }
.cta-section h2 { font-size: 2rem; color: var(--text-white); margin-bottom: 16px; }
.cta-section p { font-size: 1.15rem; color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 32px; }
.cta-section .btn-accent { font-size: 1.1rem; padding: 14px 40px; }

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-dark); color: rgba(255,255,255,0.6); padding: 48px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .site-logo { margin-bottom: 16px; font-size: 1.2rem; }
.footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.5); margin-bottom: 16px; max-width: 320px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; color: rgba(255,255,255,0.6); font-size: 1rem; transition: var(--transition); }
.footer-social a:hover { background: var(--primary); color: var(--text-white); transform: translateY(-2px); }
.footer-col h4 { font-size: 1rem; color: var(--text-white); margin-bottom: 16px; font-weight: 600; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: rgba(255,255,255,0.5); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; display: flex; align-items: center; justify-content: space-between; font-size: 0.85rem; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 12px; }
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--accent); }

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

@media (max-width: 768px) {
  .header-top .container { flex-wrap: wrap; gap: 10px; }
  .header-search { flex: 1; min-width: 140px; }
  .header-search input { width: 100%; }
  .header-nav .container { overflow-x: auto; -webkit-overflow-scrolling: touch; padding-bottom: 4px; gap: 2px; }
  .nav-link { white-space: nowrap; padding: 6px 14px; font-size: 0.9rem; }
  .hero { min-height: 380px; }
  .hero-content { padding: 60px 0; }
  .hero-content h1 { font-size: 2rem; }
  .hero-content p { font-size: 1rem; }
  .category-grid { grid-template-columns: 1fr; }
  .post-list { grid-template-columns: 1fr; }
  .section { padding: 48px 0; }
  .section-header { margin-bottom: 32px; }
  .section-header h2 { font-size: 1.6rem; }
  .feature-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero-actions .btn { flex: 1; justify-content: center; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-content h1 { font-size: 1.7rem; }
  .hero-content p { font-size: 0.95rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .stat-number { font-size: 2rem; }
  .steps-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .step-card { padding: 24px 16px; }
  .btn { padding: 10px 24px; font-size: 0.9rem; }
  .cta-section h2 { font-size: 1.5rem; }
  .cta-section .btn-accent { width: 100%; justify-content: center; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #6c5ce7;
            --primary-dark: #4a3db8;
            --primary-light: #a29bfe;
            --accent: #fd79a8;
            --accent-dark: #e84393;
            --bg: #f8f9fc;
            --bg-alt: #edf0f7;
            --bg-card: #ffffff;
            --bg-dark: #1e1e2f;
            --text: #2d2d44;
            --text-light: #6c6c8a;
            --text-white: #f0f0ff;
            --border: #e0e3ef;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(108, 92, 231, 0.10);
            --shadow-lg: 0 16px 48px rgba(108, 92, 231, 0.18);
            --shadow-hover: 0 20px 56px rgba(108, 92, 231, 0.22);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container: 1200px;
            --header-top-h: 60px;
            --nav-h: 52px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header Top ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-card);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }
        .header-top {
            height: var(--header-top-h);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
            background: var(--bg-card);
        }
        .header-top .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.5px;
            transition: opacity var(--transition);
        }
        .site-logo i {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .site-logo:hover {
            opacity: 0.85;
            color: var(--primary);
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg-alt);
            border-radius: 30px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .header-search:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(108, 92, 231, 0.12);
        }
        .header-search input {
            border: none;
            background: transparent;
            padding: 8px 16px;
            font-size: 0.9rem;
            min-width: 200px;
            outline: none;
            color: var(--text);
        }
        .header-search input::placeholder {
            color: var(--text-light);
        }
        .header-search button {
            background: transparent;
            border: none;
            padding: 8px 16px 8px 8px;
            cursor: pointer;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .header-search button:hover {
            color: var(--primary);
        }

        /* ===== Navigation ===== */
        .header-nav {
            height: var(--nav-h);
            background: var(--bg-card);
            display: flex;
            align-items: center;
            border-bottom: 1px solid var(--border);
        }
        .header-nav .container {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 100%;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .header-nav .container::-webkit-scrollbar {
            display: none;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-light);
            white-space: nowrap;
            transition: background var(--transition), color var(--transition), box-shadow var(--transition);
            position: relative;
        }
        .nav-link i {
            font-size: 0.95rem;
        }
        .nav-link:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(108, 92, 231, 0.30);
        }
        .nav-link.active:hover {
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 24px 60px;
            background: var(--bg-dark) url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            isolation: isolate;
            overflow: hidden;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 30, 47, 0.82) 0%, rgba(108, 92, 231, 0.55) 100%);
            z-index: 0;
        }
        .category-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }
        .category-hero .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            padding: 6px 22px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: var(--text-white);
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 255, 255, 0.12);
        }
        .category-hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
        }
        .category-hero h1 i {
            color: var(--accent);
        }
        .category-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: transform var(--transition), box-shadow var(--transition), background var(--transition);
            text-decoration: none;
        }
        .btn:focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 24px rgba(108, 92, 231, 0.32);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(108, 92, 231, 0.40);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 4px 16px rgba(108, 92, 231, 0.30);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline-light:active {
            transform: translateY(0);
        }
        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 24px rgba(253, 121, 168, 0.32);
        }
        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(253, 121, 168, 0.40);
        }

        /* ===== Section通用 ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-title h2 i {
            color: var(--primary);
        }
        .section-title p {
            color: var(--text-light);
            max-width: 580px;
            margin: 0 auto;
            font-size: 1.05rem;
        }
        .section-title .subtitle-line {
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 14px auto 0;
        }

        /* ===== 分类介绍 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .intro-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 16px;
            color: var(--text);
        }
        .intro-text h3 span {
            color: var(--primary);
        }
        .intro-text p {
            color: var(--text-light);
            margin-bottom: 16px;
            font-size: 1.02rem;
            line-height: 1.8;
        }
        .intro-text .feature-list {
            display: grid;
            gap: 10px;
            margin-top: 20px;
        }
        .intro-text .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            color: var(--text);
        }
        .intro-text .feature-list li i {
            color: var(--primary);
            font-size: 1.1rem;
            width: 24px;
            text-align: center;
        }
        .intro-image img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
            min-height: 280px;
            background: var(--bg-alt);
        }

        /* ===== 游戏分类卡片网格 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 20px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
            cursor: default;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .category-card .card-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.8rem;
            color: #fff;
            box-shadow: 0 6px 20px rgba(108, 92, 231, 0.25);
        }
        .category-card .card-icon.accent {
            background: linear-gradient(135deg, var(--accent), #e84393);
        }
        .category-card .card-icon.green {
            background: linear-gradient(135deg, #00b894, #00a381);
        }
        .category-card .card-icon.orange {
            background: linear-gradient(135deg, #fdcb6e, #e17055);
        }
        .category-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .category-card p {
            font-size: 0.9rem;
            color: var(--text-light);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .category-card .card-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--bg-alt);
            color: var(--primary);
            transition: background var(--transition), color var(--transition);
        }
        .category-card:hover .card-tag {
            background: var(--primary);
            color: #fff;
        }

        /* ===== 热门游戏卡片 ===== */
        .game-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .game-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .game-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .game-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--bg-alt);
            border-radius: 0;
        }
        .game-card .card-body {
            padding: 20px 22px 22px;
        }
        .game-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .game-card .card-body .game-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 10px;
        }
        .game-card .card-body .game-meta i {
            margin-right: 4px;
            color: var(--primary);
        }
        .game-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .game-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 22px 20px;
        }
        .game-card .card-footer .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--bg-alt);
            color: var(--primary);
        }
        .game-card .card-footer .badge.hot {
            background: #ffeaa7;
            color: #d68910;
        }
        .game-card .card-footer .badge.new {
            background: #d5f5e3;
            color: #1e8449;
        }
        .game-card .btn-sm {
            padding: 6px 18px;
            font-size: 0.82rem;
            border-radius: 20px;
            background: var(--primary);
            color: #fff;
            border: none;
            cursor: pointer;
            font-weight: 600;
            transition: background var(--transition), transform var(--transition);
        }
        .game-card .btn-sm:hover {
            background: var(--primary-dark);
            transform: scale(1.04);
        }

        /* ===== 特色功能 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-item {
            background: var(--bg-card);
            padding: 32px 24px;
            border-radius: var(--radius);
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .feature-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .feature-item .f-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.6rem;
            color: var(--primary);
            transition: background var(--transition), color var(--transition);
        }
        .feature-item:hover .f-icon {
            background: var(--primary);
            color: #fff;
        }
        .feature-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .feature-item p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--bg-card);
            padding: 32px 16px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }
        .stat-item .number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            display: block;
        }
        .stat-item .number i {
            font-size: 2rem;
            margin-right: 6px;
            color: var(--accent);
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: grid;
            gap: 14px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1.02rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            list-style: none;
            transition: color var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: transform var(--transition);
        }
        .faq-item[open] summary i {
            transform: rotate(45deg);
        }
        .faq-item summary:hover {
            color: var(--primary);
        }
        .faq-item .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--accent) 100%);
            padding: 64px 24px;
            text-align: center;
            border-radius: var(--radius);
            margin: 0 24px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-section .btn {
            font-size: 1.05rem;
            padding: 14px 40px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            margin-top: 72px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .site-logo {
            color: #fff;
            margin-bottom: 14px;
            font-size: 1.5rem;
        }
        .footer-brand .site-logo i {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            margin: 12px 0 18px;
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.65);
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .game-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .intro-image {
                order: -1;
            }
            .category-hero h1 {
                font-size: 2.6rem;
            }
            .section-title h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-top-h: 54px;
                --nav-h: 46px;
            }
            .container {
                padding: 0 18px;
            }
            .header-search input {
                min-width: 120px;
                padding: 6px 12px;
            }
            .header-search button {
                padding: 6px 12px 6px 6px;
            }
            .site-logo {
                font-size: 1.2rem;
            }
            .site-logo i {
                font-size: 1.3rem;
            }
            .nav-link {
                padding: 4px 14px;
                font-size: 0.82rem;
            }
            .category-hero {
                min-height: 300px;
                padding: 60px 18px 44px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .category-card {
                padding: 24px 16px 20px;
            }
            .category-card .card-icon {
                width: 52px;
                height: 52px;
                font-size: 1.4rem;
            }
            .game-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .game-card .card-img {
                height: 180px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item .number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .cta-section {
                margin: 0 12px;
                padding: 40px 18px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .hero-actions .btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .category-hero h1 {
                font-size: 1.7rem;
            }
            .header-search input {
                min-width: 80px;
                font-size: 0.8rem;
            }
            .nav-link {
                padding: 4px 10px;
                font-size: 0.75rem;
            }
            .nav-link i {
                font-size: 0.8rem;
            }
            .site-logo {
                font-size: 1rem;
            }
            .site-logo i {
                font-size: 1.1rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-12 {
            gap: 12px;
        }
        .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: #1a1a2e;
  --primary-light: #16213e;
  --primary-dark: #0f0f1a;
  --accent: #e94560;
  --accent-hover: #d63851;
  --gold: #f5a623;
  --gold-light: #fde6b6;
  --bg: #f4f6f8;
  --bg-white: #ffffff;
  --bg-card: #ffffff;
  --text: #2d3436;
  --text-light: #636e72;
  --text-lighter: #b2bec3;
  --border: #dfe6e9;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-hover: 0 8px 32px rgba(0,0,0,0.14);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
  --max-width: 1200px;
  --header-h: 120px;
}

/* ===== 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);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  min-height: 100vh;
  display: flex; flex-direction: column;
}
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover, a:focus-visible { color: var(--accent-hover); outline: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
ul, ol { list-style: none; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }
button { cursor: pointer; border: none; background: none; }
.container {
  width: 100%; max-width: var(--max-width); margin: 0 auto;
  padding-left: 20px; padding-right: 20px;
}

/* ===== Header & Navigation ===== */
.site-header {
  background: var(--primary-dark);
  position: sticky; top: 0; z-index: 1000;
  box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.header-top {
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.header-top .container {
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
  flex-wrap: wrap;
}
.site-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.5rem; font-weight: 700; color: #fff !important;
  letter-spacing: 0.5px; white-space: nowrap;
}
.site-logo i { color: var(--gold); font-size: 1.6rem; }
.site-logo:hover { opacity: 0.9; transform: scale(1.02); }
.header-search {
  display: flex; align-items: center; background: rgba(255,255,255,0.1);
  border-radius: 50px; overflow: hidden; border: 1px solid rgba(255,255,255,0.12);
  transition: var(--transition); flex: 1; max-width: 360px; min-width: 200px;
}
.header-search:focus-within { border-color: var(--gold); background: rgba(255,255,255,0.15); }
.header-search input {
  flex: 1; padding: 8px 16px; background: transparent; border: none;
  color: #fff; font-size: 0.9rem; outline: none; min-width: 0;
}
.header-search input::placeholder { color: rgba(255,255,255,0.5); }
.header-search button {
  padding: 8px 16px; color: rgba(255,255,255,0.7); transition: var(--transition);
}
.header-search button:hover { color: var(--gold); }
.header-nav {
  background: rgba(0,0,0,0.2); backdrop-filter: blur(4px);
}
.header-nav .container {
  display: flex; align-items: center; gap: 4px; overflow-x: auto;
  padding-top: 4px; padding-bottom: 4px; scrollbar-width: none;
}
.header-nav .container::-webkit-scrollbar { display: none; }
.nav-link {
  display: flex; align-items: center; gap: 6px;
  padding: 10px 20px; color: rgba(255,255,255,0.7); font-size: 0.95rem;
  font-weight: 500; border-radius: 50px; white-space: nowrap;
  transition: var(--transition); position: relative;
}
.nav-link i { font-size: 0.9rem; }
.nav-link:hover { color: #fff; background: rgba(255,255,255,0.08); }
.nav-link.active { color: #fff; background: var(--accent); box-shadow: 0 4px 14px rgba(233,69,96,0.35); }
.nav-link.active:hover { background: var(--accent-hover); }

/* ===== Breadcrumb ===== */
.breadcrumb-wrap {
  background: var(--primary-light);
  padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.05);
}
.breadcrumb-wrap .container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb-wrap a { color: rgba(255,255,255,0.6); font-size: 0.9rem; }
.breadcrumb-wrap a:hover { color: var(--gold); }
.breadcrumb-wrap span { color: rgba(255,255,255,0.4); font-size: 0.9rem; }
.breadcrumb-wrap .current { color: var(--gold); font-weight: 500; }

/* ===== Article Banner ===== */
.article-banner {
  position: relative; min-height: 320px; display: flex; align-items: center;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  overflow: hidden;
}
.article-banner-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0.25; z-index: 0;
}
.article-banner::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to bottom, rgba(0,0,0,0.3) 0%, rgba(0,0,0,0.7) 100%);
  z-index: 1;
}
.article-banner .container { position: relative; z-index: 2; padding-top: 40px; padding-bottom: 40px; }
.article-category-badge {
  display: inline-block; padding: 6px 18px; font-size: 0.8rem; font-weight: 600;
  color: #fff; background: var(--accent); border-radius: 50px;
  letter-spacing: 0.5px; margin-bottom: 16px; box-shadow: 0 4px 12px rgba(233,69,96,0.3);
}
.article-banner h1 {
  font-size: 2.4rem; font-weight: 800; color: #fff; line-height: 1.3;
  max-width: 800px; margin-bottom: 16px; text-shadow: 0 2px 10px rgba(0,0,0,0.3);
}
.article-meta-bar {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  color: rgba(255,255,255,0.7); font-size: 0.9rem;
}
.article-meta-bar i { margin-right: 4px; color: var(--gold); }
.article-meta-bar span { display: flex; align-items: center; gap: 4px; }

/* ===== Article Content ===== */
.article-main {
  padding: 40px 0 60px;
}
.article-layout {
  display: grid; grid-template-columns: 1fr 300px; gap: 40px;
}
.article-body {
  background: var(--bg-card); border-radius: var(--radius-lg);
  padding: 40px 44px; box-shadow: var(--shadow); border: 1px solid rgba(0,0,0,0.04);
}
.article-body .post-content {
  font-size: 1.05rem; line-height: 1.9; color: var(--text);
}
.article-body .post-content h2 {
  font-size: 1.6rem; font-weight: 700; margin-top: 36px; margin-bottom: 16px;
  color: var(--primary); border-left: 4px solid var(--accent);
  padding-left: 16px;
}
.article-body .post-content h3 {
  font-size: 1.3rem; font-weight: 600; margin-top: 28px; margin-bottom: 12px;
  color: var(--primary-light);
}
.article-body .post-content p { margin-bottom: 18px; }
.article-body .post-content ul, .article-body .post-content ol {
  margin-bottom: 18px; padding-left: 24px;
}
.article-body .post-content ul { list-style: disc; }
.article-body .post-content ol { list-style: decimal; }
.article-body .post-content li { margin-bottom: 6px; }
.article-body .post-content blockquote {
  margin: 24px 0; padding: 20px 24px; background: #f8f9fa;
  border-left: 4px solid var(--gold); border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-light); font-style: italic;
}
.article-body .post-content blockquote p:last-child { margin-bottom: 0; }
.article-body .post-content img {
  border-radius: var(--radius); margin: 24px auto; box-shadow: var(--shadow-sm);
}
.article-body .post-content a { color: var(--accent); text-decoration: underline; }
.article-body .post-content a:hover { color: var(--accent-hover); }
.article-body .post-content code {
  background: #f0f0f0; padding: 2px 8px; border-radius: 4px;
  font-size: 0.9em; color: var(--accent);
}
.article-body .post-content pre {
  background: var(--primary-dark); color: #e0e0e0; padding: 20px;
  border-radius: var(--radius); overflow-x: auto; margin: 24px 0;
  font-size: 0.9rem; line-height: 1.6;
}
.article-tags {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border);
}
.article-tags .tag-label { font-weight: 600; color: var(--text-light); font-size: 0.9rem; }
.article-tags .tag {
  display: inline-block; padding: 4px 14px; font-size: 0.8rem;
  background: var(--bg); color: var(--text-light); border-radius: 50px;
  border: 1px solid var(--border); transition: var(--transition);
}
.article-tags .tag:hover { background: var(--accent); color: #fff; border-color: var(--accent); }
.article-share {
  display: flex; align-items: center; gap: 12px; margin-top: 20px;
  padding-top: 16px; border-top: 1px solid var(--border);
}
.article-share .share-label { font-weight: 600; color: var(--text-light); font-size: 0.9rem; }
.article-share a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--bg); color: var(--text-light);
  border: 1px solid var(--border); transition: var(--transition);
  font-size: 1rem;
}
.article-share a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex; flex-direction: column; gap: 24px;
}
.sidebar-card {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 24px; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.04);
}
.sidebar-card h3 {
  font-size: 1.1rem; font-weight: 700; color: var(--primary);
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 2px solid var(--accent); display: flex; align-items: center; gap: 8px;
}
.sidebar-card h3 i { color: var(--accent); }
.sidebar-list li { margin-bottom: 12px; }
.sidebar-list a {
  display: flex; align-items: center; gap: 12px; color: var(--text);
  padding: 8px 12px; border-radius: var(--radius-sm);
  transition: var(--transition); font-size: 0.9rem;
}
.sidebar-list a:hover { background: var(--bg); color: var(--accent); padding-left: 16px; }
.sidebar-list a i { color: var(--gold); font-size: 0.8rem; }
.sidebar-cta {
  background: linear-gradient(135deg, var(--accent) 0%, #c0392b 100%);
  color: #fff; border: none; text-align: center;
}
.sidebar-cta h3 { color: #fff; border-color: rgba(255,255,255,0.3); }
.sidebar-cta h3 i { color: var(--gold); }
.sidebar-cta p { font-size: 0.9rem; margin-bottom: 16px; opacity: 0.9; }
.sidebar-cta .btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; background: #fff; color: var(--accent);
  border-radius: 50px; font-weight: 600; font-size: 0.9rem;
  transition: var(--transition);
}
.sidebar-cta .btn:hover { background: var(--gold); color: var(--primary); transform: translateY(-2px); }

/* ===== Related Posts ===== */
.related-section {
  padding: 60px 0; background: var(--bg-white);
  border-top: 1px solid var(--border);
}
.related-section .section-title {
  font-size: 1.6rem; font-weight: 700; color: var(--primary);
  margin-bottom: 32px; display: flex; align-items: center; gap: 12px;
}
.related-section .section-title i { color: var(--accent); }
.related-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.related-card {
  background: var(--bg-card); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid rgba(0,0,0,0.04);
  transition: var(--transition);
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card .card-img {
  width: 100%; height: 180px; object-fit: cover;
  border-radius: 0; transition: var(--transition);
}
.related-card:hover .card-img { transform: scale(1.05); }
.related-card .card-body { padding: 16px 18px 20px; }
.related-card .card-cat {
  font-size: 0.75rem; color: var(--accent); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 6px;
}
.related-card .card-title {
  font-size: 1rem; font-weight: 600; color: var(--text);
  line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
  transition: var(--transition);
}
.related-card:hover .card-title { color: var(--accent); }
.related-card .card-meta {
  font-size: 0.8rem; color: var(--text-lighter); margin-top: 8px;
  display: flex; align-items: center; gap: 12px;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  opacity: 0.08; z-index: 0;
}
.cta-section .container { position: relative; z-index: 1; text-align: center; }
.cta-section h2 {
  font-size: 2rem; font-weight: 800; color: #fff; margin-bottom: 16px;
}
.cta-section p {
  font-size: 1.1rem; color: rgba(255,255,255,0.7);
  max-width: 600px; margin: 0 auto 32px;
}
.cta-buttons { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-btn-primary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 36px; background: var(--accent); color: #fff;
  border-radius: 50px; font-weight: 600; font-size: 1.05rem;
  transition: var(--transition); box-shadow: 0 6px 24px rgba(233,69,96,0.35);
}
.cta-btn-primary:hover { background: var(--accent-hover); color: #fff; transform: translateY(-3px); box-shadow: 0 8px 32px rgba(233,69,96,0.45); }
.cta-btn-secondary {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 36px; background: transparent; color: #fff;
  border-radius: 50px; font-weight: 600; font-size: 1.05rem;
  border: 2px solid rgba(255,255,255,0.3); transition: var(--transition);
}
.cta-btn-secondary:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); }

/* ===== FAQ Section ===== */
.faq-section {
  padding: 60px 0; background: var(--bg);
}
.faq-section .section-title {
  font-size: 1.6rem; font-weight: 700; color: var(--primary);
  text-align: center; margin-bottom: 36px;
}
.faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card); border-radius: var(--radius);
  padding: 20px 24px; box-shadow: var(--shadow-sm);
  border: 1px solid rgba(0,0,0,0.04); transition: var(--transition);
  cursor: pointer;
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  font-weight: 600; font-size: 1rem; color: var(--text);
}
.faq-question i { color: var(--accent); font-size: 0.9rem; transition: var(--transition); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease, padding 0.3s ease;
  color: var(--text-light); font-size: 0.95rem; line-height: 1.7;
}
.faq-item.open .faq-answer { max-height: 300px; padding-top: 12px; }

/* ===== Comment Section ===== */
.comment-section {
  padding: 40px 0 60px; background: var(--bg-white);
}
.comment-section .section-title {
  font-size: 1.3rem; font-weight: 700; color: var(--primary);
  margin-bottom: 24px; display: flex; align-items: center; gap: 10px;
}
.comment-section .section-title i { color: var(--accent); }
.comment-box { max-width: 800px; }
.comment-form textarea {
  width: 100%; padding: 16px 20px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 0.95rem; resize: vertical;
  min-height: 120px; transition: var(--transition); background: var(--bg);
}
.comment-form textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(233,69,96,0.1); }
.comment-form .form-actions {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px; flex-wrap: wrap; gap: 12px;
}
.comment-form .btn-submit {
  padding: 10px 32px; background: var(--accent); color: #fff;
  border-radius: 50px; font-weight: 600; transition: var(--transition);
}
.comment-form .btn-submit:hover { background: var(--accent-hover); transform: translateY(-2px); }
.comment-form .form-tip { font-size: 0.8rem; color: var(--text-lighter); }
.comment-list { margin-top: 32px; display: flex; flex-direction: column; gap: 16px; max-width: 800px; }
.comment-item {
  padding: 20px; background: var(--bg); border-radius: var(--radius);
  border: 1px solid var(--border);
}
.comment-author { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.comment-avatar {
  width: 40px; height: 40px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-weight: 700; font-size: 0.9rem;
}
.comment-author .name { font-weight: 600; color: var(--text); }
.comment-author .time { font-size: 0.8rem; color: var(--text-lighter); }
.comment-text { font-size: 0.95rem; color: var(--text-light); line-height: 1.6; }

/* ===== Error State ===== */
.error-state {
  padding: 80px 0; text-align: center;
}
.error-state .error-icon {
  font-size: 4rem; color: var(--text-lighter); margin-bottom: 20px;
}
.error-state h2 { font-size: 1.8rem; color: var(--text); margin-bottom: 12px; }
.error-state p { color: var(--text-light); margin-bottom: 24px; font-size: 1.1rem; }
.error-state .btn-home {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 32px; background: var(--accent); color: #fff;
  border-radius: 50px; font-weight: 600; transition: var(--transition);
}
.error-state .btn-home:hover { background: var(--accent-hover); transform: translateY(-2px); }

/* ===== Footer ===== */
.site-footer {
  background: var(--primary-dark); color: rgba(255,255,255,0.7);
  padding: 60px 0 0; margin-top: auto;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px;
  padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.06);
}
.footer-brand .site-logo { font-size: 1.3rem; margin-bottom: 16px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
.footer-social { display: flex; gap: 12px; margin-top: 20px; }
.footer-social a {
  display: flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 50%;
  background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6);
  font-size: 1.1rem; transition: var(--transition);
}
.footer-social a:hover { background: var(--accent); color: #fff; transform: translateY(-3px); }
.footer-col h4 {
  color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px;
  position: relative; padding-bottom: 8px;
}
.footer-col h4::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  width: 30px; height: 2px; background: var(--accent);
}
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: var(--transition); }
.footer-col ul a:hover { color: var(--gold); padding-left: 4px; }
.footer-bottom {
  padding: 20px 0; display: flex; align-items: center;
  justify-content: space-between; flex-wrap: wrap; gap: 12px;
  font-size: 0.85rem; color: rgba(255,255,255,0.4);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--gold); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .header-top .container { flex-direction: column; align-items: stretch; }
  .header-search { max-width: 100%; }
  .site-logo { justify-content: center; font-size: 1.3rem; }
  .article-banner { min-height: 240px; }
  .article-banner h1 { font-size: 1.6rem; }
  .article-body { padding: 24px 20px; }
  .article-body .post-content { font-size: 1rem; }
  .article-body .post-content h2 { font-size: 1.3rem; }
  .article-sidebar { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: 1fr; }
  .cta-section h2 { font-size: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .nav-link { padding: 8px 14px; font-size: 0.85rem; }
  .article-meta-bar { gap: 12px; font-size: 0.8rem; }
  .article-banner h1 { font-size: 1.4rem; }
}
@media (max-width: 520px) {
  .container { padding-left: 14px; padding-right: 14px; }
  .article-banner { min-height: 200px; }
  .article-banner h1 { font-size: 1.2rem; }
  .article-body { padding: 18px 14px; }
  .article-meta-bar { flex-direction: column; align-items: flex-start; gap: 6px; }
  .cta-buttons { flex-direction: column; width: 100%; }
  .cta-btn-primary, .cta-btn-secondary { width: 100%; justify-content: center; }
  .comment-form .form-actions { flex-direction: column; align-items: stretch; }
  .comment-form .btn-submit { width: 100%; justify-content: center; }
  .nav-link { padding: 6px 12px; font-size: 0.8rem; }
  .nav-link i { display: none; }
  .related-card .card-img { height: 140px; }
}