/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #0b1d3a;
  --primary-light: #132a52;
  --primary-dark: #070f1e;
  --accent: #e8b830;
  --accent-light: #f0cc5a;
  --accent-dark: #c9a228;
  --blue-accent: #1a80e6;
  --blue-light: #4da3ff;
  --bg-light: #f7f9fc;
  --bg-card: #ffffff;
  --bg-dark: #0a1628;
  --text-primary: #1a2332;
  --text-secondary: #4a5568;
  --text-light: #8899aa;
  --text-white: #f0f4fa;
  --border-color: #e2e8f0;
  --border-light: #f0f2f5;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(11,29,58,0.06);
  --shadow-md: 0 8px 30px rgba(11,29,58,0.08);
  --shadow-lg: 0 20px 60px rgba(11,29,58,0.12);
  --shadow-glow: 0 0 30px rgba(232,184,48,0.15);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  --spacing-xs: 8px;
  --spacing-sm: 16px;
  --spacing-md: 32px;
  --spacing-lg: 56px;
  --spacing-xl: 80px;
  --max-width: 1200px;
  --header-height: 76px;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-sans); color: var(--text-primary); background: var(--bg-light); line-height: 1.6; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--blue-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent); }
button { font-family: inherit; cursor: pointer; border: none; background: none; font-size: inherit; }
input, textarea { font-family: inherit; font-size: inherit; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--text-primary); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { margin-bottom: 0.8em; color: var(--text-secondary); }

/* ===== Container ===== */
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== Header & Nav ===== */
header { position: fixed; top: 0; left: 0; width: 100%; height: var(--header-height); background: rgba(11,29,58,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid rgba(232,184,48,0.12); z-index: 1000; transition: background var(--transition); }
header.scrolled { background: rgba(7,15,30,0.96); }
.nav-wrapper { display: flex; align-items: center; justify-content: space-between; height: var(--header-height); }
.nav-logo { display: flex; align-items: center; gap: 10px; color: var(--text-white); font-weight: 700; font-size: 1.25rem; letter-spacing: 0.5px; }
.nav-logo i { color: var(--accent); font-size: 1.5rem; }
.nav-logo span { background: linear-gradient(135deg, #f0e6c0, var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a { display: flex; align-items: center; gap: 6px; padding: 10px 20px; border-radius: 30px; color: rgba(240,244,250,0.75); font-size: 0.92rem; font-weight: 500; transition: all var(--transition); position: relative; }
.nav-links a i { font-size: 0.85rem; }
.nav-links a:hover, .nav-links a.active { color: var(--text-white); background: rgba(232,184,48,0.12); }
.nav-links a.active { background: rgba(232,184,48,0.18); color: var(--accent); }
.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-cta .btn-nav { padding: 9px 24px; border-radius: 30px; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: var(--primary-dark); font-weight: 600; font-size: 0.9rem; transition: all var(--transition); box-shadow: 0 4px 15px rgba(232,184,48,0.25); }
.nav-cta .btn-nav:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(232,184,48,0.35); color: var(--primary-dark); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; }
.nav-toggle span { display: block; width: 26px; height: 2.5px; background: var(--text-white); border-radius: 3px; transition: all var(--transition); }
.nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
@media (max-width: 768px) {
  .nav-links { display: none; position: absolute; top: var(--header-height); left: 0; width: 100%; background: rgba(7,15,30,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px 28px; gap: 4px; border-bottom: 1px solid rgba(232,184,48,0.1); }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 20px; width: 100%; border-radius: 10px; justify-content: center; }
  .nav-cta .btn-nav { padding: 8px 18px; font-size: 0.82rem; }
  .nav-toggle { display: flex; }
}

/* ===== Hero ===== */
.hero { position: relative; min-height: 88vh; display: flex; align-items: center; justify-content: center; padding: var(--header-height) 0 0; background: var(--primary-dark); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.35; transform: scale(1.05); animation: heroZoom 20s ease-in-out infinite alternate; }
@keyframes heroZoom { 0% { transform: scale(1.05); } 100% { transform: scale(1.15); } }
.hero-overlay { position: absolute; inset: 0; background: radial-gradient(ellipse at 30% 40%, rgba(11,29,58,0.6) 0%, rgba(7,15,30,0.9) 80%); }
.hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; padding: 40px 24px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; padding: 8px 20px; border-radius: 50px; background: rgba(232,184,48,0.12); border: 1px solid rgba(232,184,48,0.2); color: var(--accent); font-size: 0.85rem; font-weight: 500; margin-bottom: 24px; backdrop-filter: blur(8px); }
.hero-badge i { font-size: 0.75rem; }
.hero h1 { color: var(--text-white); font-weight: 800; margin-bottom: 20px; letter-spacing: -0.02em; }
.hero h1 .highlight { background: linear-gradient(135deg, var(--accent-light), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p { color: rgba(240,244,250,0.7); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; line-height: 1.7; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
.btn-primary { padding: 14px 40px; border-radius: 50px; background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: var(--primary-dark); font-weight: 700; font-size: 1rem; transition: all var(--transition); box-shadow: 0 8px 30px rgba(232,184,48,0.3); display: inline-flex; align-items: center; gap: 10px; }
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(232,184,48,0.4); color: var(--primary-dark); }
.btn-secondary { padding: 14px 36px; border-radius: 50px; background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.15); color: var(--text-white); font-weight: 600; font-size: 1rem; transition: all var(--transition); display: inline-flex; align-items: center; gap: 10px; backdrop-filter: blur(8px); }
.btn-secondary:hover { background: rgba(255,255,255,0.12); border-color: rgba(232,184,48,0.3); color: var(--accent); transform: translateY(-3px); }
.hero-stats { display: flex; flex-wrap: wrap; gap: 40px; justify-content: center; margin-top: 50px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.06); }
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.hero-stat .label { font-size: 0.85rem; color: rgba(240,244,250,0.5); margin-top: 4px; }
@media (max-width: 768px) {
  .hero { min-height: 82vh; }
  .hero h1 { font-size: 1.8rem; }
  .hero p { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 1.5rem; }
}

/* ===== Section通用 ===== */
.section { padding: var(--spacing-xl) 0; }
.section-header { text-align: center; margin-bottom: var(--spacing-lg); }
.section-header h2 { margin-bottom: 12px; }
.section-header p { max-width: 600px; margin: 0 auto; color: var(--text-light); font-size: 1.05rem; }
.section-header .subtitle { display: inline-flex; align-items: center; gap: 6px; color: var(--accent); font-weight: 600; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 8px; }
.section-bg-light { background: var(--bg-light); }
.section-bg-white { background: var(--bg-card); }
.section-bg-dark { background: var(--bg-dark); }
.section-bg-dark .section-header h2 { color: var(--text-white); }
.section-bg-dark .section-header p { color: rgba(240,244,250,0.6); }

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

/* ===== 服务卡片 ===== */
.service-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 32px 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: all var(--transition); position: relative; overflow: hidden; }
.service-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--accent), var(--accent-light)); opacity: 0; transition: opacity var(--transition); }
.service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(232,184,48,0.15); }
.service-card:hover::before { opacity: 1; }
.service-card .icon { width: 56px; height: 56px; border-radius: 16px; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin-bottom: 18px; background: rgba(232,184,48,0.08); color: var(--accent); }
.service-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.service-card p { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 0; }
.service-card .tag { display: inline-block; padding: 4px 14px; border-radius: 20px; background: rgba(26,128,230,0.06); color: var(--blue-accent); font-size: 0.75rem; font-weight: 600; margin-top: 14px; }

/* ===== 封面卡片 ===== */
.cover-card { background: var(--bg-card); border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: all var(--transition); }
.cover-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); }
.cover-card .img-wrap { position: relative; height: 200px; overflow: hidden; background: var(--primary-dark); }
.cover-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.cover-card:hover .img-wrap img { transform: scale(1.08); }
.cover-card .img-wrap .overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(11,29,58,0.3) 0%, transparent 60%); }
.cover-card .card-body { padding: 22px 24px 26px; }
.cover-card .card-cat { display: inline-block; padding: 3px 14px; border-radius: 20px; background: rgba(232,184,48,0.08); color: var(--accent); font-size: 0.75rem; font-weight: 600; margin-bottom: 10px; }
.cover-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.cover-card h3 a { color: var(--text-primary); }
.cover-card h3 a:hover { color: var(--accent); }
.cover-card p { font-size: 0.88rem; color: var(--text-light); margin-bottom: 12px; line-height: 1.6; }
.cover-card .meta { display: flex; align-items: center; gap: 16px; font-size: 0.78rem; color: var(--text-light); }
.cover-card .meta i { margin-right: 4px; }

/* ===== 分类入口卡片 ===== */
.cat-card { background: var(--bg-card); border-radius: var(--radius-md); padding: 28px 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); transition: all var(--transition); text-align: center; }
.cat-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-md); border-color: rgba(232,184,48,0.15); }
.cat-card .icon { width: 64px; height: 64px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; margin: 0 auto 16px; background: linear-gradient(135deg, rgba(232,184,48,0.1), rgba(232,184,48,0.02)); color: var(--accent); transition: all var(--transition); }
.cat-card:hover .icon { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); color: var(--primary-dark); transform: scale(1.1); }
.cat-card h3 { font-size: 1.05rem; margin-bottom: 6px; }
.cat-card p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; }
.cat-card .count { display: inline-block; padding: 3px 14px; border-radius: 20px; background: var(--bg-light); color: var(--text-light); font-size: 0.75rem; font-weight: 500; }

/* ===== 数据统计 ===== */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-item { text-align: center; padding: 28px 16px; background: rgba(255,255,255,0.03); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.06); transition: all var(--transition); }
.stat-item:hover { background: rgba(255,255,255,0.06); border-color: rgba(232,184,48,0.12); }
.stat-item .num { font-size: 2.4rem; font-weight: 800; color: var(--accent); letter-spacing: -0.02em; }
.stat-item .label { font-size: 0.88rem; color: rgba(240,244,250,0.55); margin-top: 6px; }
@media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr 1fr; } }

/* ===== 流程步骤 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
.steps::before { content: ''; position: absolute; top: 36px; left: 12%; right: 12%; height: 2px; background: linear-gradient(90deg, var(--accent), rgba(232,184,48,0.2)); z-index: 0; }
.step-item { text-align: center; position: relative; z-index: 1; }
.step-num { width: 72px; height: 72px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 1.5rem; font-weight: 800; background: var(--bg-card); border: 2px solid rgba(232,184,48,0.15); color: var(--accent); transition: all var(--transition); box-shadow: 0 0 0 4px var(--bg-dark); }
.step-item:hover .step-num { border-color: var(--accent); background: var(--accent); color: var(--primary-dark); transform: scale(1.08); }
.step-item h4 { font-size: 1rem; color: var(--text-white); margin-bottom: 6px; }
.step-item p { font-size: 0.85rem; color: rgba(240,244,250,0.5); }
@media (max-width: 768px) { .steps { grid-template-columns: 1fr 1fr; gap: 32px 16px; } .steps::before { display: none; } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border-radius: var(--radius-md); margin-bottom: 12px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { border-color: rgba(232,184,48,0.1); }
.faq-q { padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; font-size: 0.98rem; color: var(--text-primary); transition: color var(--transition); user-select: none; }
.faq-q i { color: var(--accent); font-size: 0.85rem; transition: transform var(--transition); }
.faq-item.active .faq-q i { transform: rotate(180deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; }
.faq-item.active .faq-a { max-height: 300px; padding: 0 24px 20px; }
.faq-a p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.7; margin-bottom: 0; }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); 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; }
.cta-content { position: relative; z-index: 1; text-align: center; padding: var(--spacing-xl) 0; }
.cta-content h2 { color: var(--text-white); margin-bottom: 16px; }
.cta-content p { color: rgba(240,244,250,0.65); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
.cta-content .btn-primary { font-size: 1.05rem; padding: 16px 48px; }

/* ===== Footer ===== */
footer { background: var(--primary-dark); border-top: 1px solid rgba(232,184,48,0.06); padding: var(--spacing-lg) 0 var(--spacing-md); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo-text { font-size: 1.15rem; font-weight: 700; color: var(--text-white); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.footer-brand .logo-text i { color: var(--accent); }
.footer-brand p { font-size: 0.88rem; color: rgba(240,244,250,0.45); max-width: 320px; line-height: 1.7; }
.footer-col h4 { color: var(--text-white); font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
.footer-col a { display: block; padding: 6px 0; font-size: 0.88rem; color: rgba(240,244,250,0.5); transition: all var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.04); padding-top: 24px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; font-size: 0.82rem; color: rgba(240,244,250,0.3); }
.footer-bottom a { color: rgba(240,244,250,0.4); }
.footer-bottom a:hover { color: var(--accent); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
}
@media (max-width: 480px) { .footer-grid { grid-template-columns: 1fr; } }

/* ===== CMS列表区域 ===== */
.cms-list { display: grid; gap: 24px; }
.cms-list .cms-empty { text-align: center; padding: 40px 20px; color: var(--text-light); font-size: 0.95rem; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }

/* ===== 通用工具 ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.gap-sm { gap: 16px; }
.gap-md { gap: 24px; }

/* ===== 响应式微调 ===== */
@media (max-width: 1024px) {
  .section { padding: var(--spacing-lg) 0; }
}
@media (max-width: 768px) {
  .section { padding: var(--spacing-md) 0; }
  .section-header { margin-bottom: var(--spacing-md); }
}

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a4b8c;
            --primary-light: #2a6bc4;
            --primary-dark: #0e2e5a;
            --secondary: #e8b830;
            --secondary-light: #f0d060;
            --secondary-dark: #c49a20;
            --accent: #f05a28;
            --bg-body: #f5f7fa;
            --bg-white: #ffffff;
            --bg-light: #eef1f6;
            --bg-dark: #0e1a2b;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #7a7a9a;
            --text-light: #c0c4d0;
            --text-white: #ffffff;
            --border-color: #e2e6ef;
            --border-light: #f0f2f6;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.18);
            --transition: 0.30s cubic-bezier(0.4,0,0.2,1);
            --font-base: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --font-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 80px;
        }

        /* ===== 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-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-light); }
        a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-family: var(--font-heading); font-weight: 700; line-height: 1.25; color: var(--text-primary); }

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

        /* ===== Header & Navigation ===== */
        #site-header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
            transition: background var(--transition), box-shadow var(--transition);
        }
        #site-header.scrolled { background: rgba(255,255,255,0.98); box-shadow: 0 4px 32px rgba(0,0,0,0.08); }
        .nav-wrapper {
            display: flex; align-items: center; justify-content: space-between;
            height: var(--header-height); gap: var(--spacing-sm);
        }
        .nav-logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.35rem; font-weight: 800;
            color: var(--primary-dark); font-family: var(--font-heading);
            letter-spacing: -0.3px; white-space: nowrap;
            flex-shrink: 0;
        }
        .nav-logo i { color: var(--secondary); font-size: 1.6rem; }
        .nav-logo:hover { color: var(--primary); }
        .nav-links {
            display: flex; align-items: center; gap: 4px;
            background: var(--bg-light); border-radius: var(--radius-xl);
            padding: 4px 6px; flex-shrink: 0;
        }
        .nav-links a {
            display: flex; align-items: center; gap: 6px;
            padding: 8px 18px; border-radius: var(--radius-xl);
            font-size: 0.9rem; font-weight: 500; color: var(--text-secondary);
            transition: all var(--transition); white-space: nowrap;
        }
        .nav-links a i { font-size: 0.85rem; }
        .nav-links a:hover { background: rgba(26,75,140,0.08); color: var(--primary); }
        .nav-links a.active { background: var(--primary); color: var(--text-white); box-shadow: 0 4px 12px rgba(26,75,140,0.25); }
        .nav-cta {
            display: flex; align-items: center; gap: var(--spacing-sm); flex-shrink: 0;
        }
        .btn-nav {
            display: flex; align-items: center; gap: 8px;
            padding: 10px 22px; border-radius: var(--radius-xl);
            background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
            color: var(--primary-dark); font-weight: 700; font-size: 0.9rem;
            box-shadow: 0 4px 16px rgba(232,184,48,0.35);
            transition: all var(--transition); white-space: nowrap;
        }
        .btn-nav:hover { transform: translateY(-2px) scale(1.02); box-shadow: 0 8px 28px rgba(232,184,48,0.45); color: var(--primary-dark); }
        .btn-nav i { font-size: 0.9rem; }

        /* ===== Hamburger ===== */
        .nav-toggle {
            display: none; flex-direction: column; gap: 5px;
            padding: 8px; border-radius: var(--radius-sm);
            cursor: pointer; background: transparent; border: none;
        }
        .nav-toggle span { display: block; width: 24px; height: 2.5px; background: var(--text-primary); border-radius: 4px; transition: all 0.3s; }
        .nav-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

        /* ===== Hero Banner (Inner) ===== */
        .inner-hero {
            position: relative; padding: var(--spacing-xl) 0 var(--spacing-lg);
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden; min-height: 280px;
            display: flex; align-items: center;
        }
        .inner-hero::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;
        }
        .inner-hero::after {
            content: ''; position: absolute; inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(232,184,48,0.12), transparent 70%);
        }
        .inner-hero .container { position: relative; z-index: 2; text-align: center; }
        .inner-hero h1 {
            font-size: 2.4rem; font-weight: 800; color: var(--text-white);
            letter-spacing: -0.5px; margin-bottom: var(--spacing-sm);
            text-shadow: 0 2px 20px rgba(0,0,0,0.2);
        }
        .inner-hero .breadcrumb {
            display: flex; align-items: center; justify-content: center; gap: 10px;
            color: rgba(255,255,255,0.7); font-size: 0.9rem; flex-wrap: wrap;
        }
        .inner-hero .breadcrumb a { color: var(--secondary-light); }
        .inner-hero .breadcrumb a:hover { color: var(--secondary); }
        .inner-hero .breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.4); }

        /* ===== Main Content ===== */
        .article-main { padding: var(--spacing-lg) 0 var(--spacing-xl); }
        .article-layout {
            display: grid; grid-template-columns: 1fr 340px; gap: var(--spacing-lg);
            align-items: start;
        }

        /* ===== Article Body ===== */
        .article-body {
            background: var(--bg-white); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm); padding: var(--spacing-lg);
            border: 1px solid var(--border-light);
        }
        .article-header {
            margin-bottom: var(--spacing-md); padding-bottom: var(--spacing-md);
            border-bottom: 1px solid var(--border-color);
        }
        .article-meta {
            display: flex; flex-wrap: wrap; gap: var(--spacing-sm);
            align-items: center; margin-bottom: var(--spacing-sm);
            font-size: 0.85rem; color: var(--text-muted);
        }
        .article-meta .category {
            display: inline-flex; align-items: center; gap: 4px;
            padding: 4px 14px; border-radius: var(--radius-xl);
            background: var(--primary); color: var(--text-white);
            font-weight: 600; font-size: 0.75rem;
        }
        .article-meta .date i { margin-right: 4px; }
        .article-meta .sep { color: var(--border-color); }
        .article-title {
            font-size: 2rem; font-weight: 800; line-height: 1.3;
            color: var(--text-primary); margin-bottom: var(--spacing-sm);
            letter-spacing: -0.3px;
        }
        .article-excerpt {
            font-size: 1.1rem; color: var(--text-secondary);
            line-height: 1.7; background: var(--bg-light);
            padding: var(--spacing-md); border-radius: var(--radius-md);
            border-left: 4px solid var(--secondary);
        }
        .article-content {
            font-size: 1.05rem; line-height: 1.9; color: var(--text-primary);
        }
        .article-content p { margin-bottom: 1.2em; }
        .article-content h2 { font-size: 1.6rem; margin-top: 1.8em; margin-bottom: 0.6em; padding-bottom: 0.3em; border-bottom: 2px solid var(--border-light); }
        .article-content h3 { font-size: 1.3rem; margin-top: 1.4em; margin-bottom: 0.5em; }
        .article-content ul, .article-content ol { margin: 1em 0; padding-left: 1.5em; }
        .article-content ul li { list-style: disc; margin-bottom: 0.4em; }
        .article-content ol li { list-style: decimal; margin-bottom: 0.4em; }
        .article-content img { margin: 1.5em 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .article-content blockquote {
            margin: 1.5em 0; padding: var(--spacing-md) var(--spacing-lg);
            background: var(--bg-light); border-left: 5px solid var(--secondary);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--text-secondary); font-style: italic;
        }
        .article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-content a:hover { color: var(--primary-light); }

        /* ===== Article Not Found ===== */
        .article-not-found {
            text-align: center; padding: var(--spacing-xl) var(--spacing-md);
            background: var(--bg-white); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
        }
        .article-not-found i { font-size: 4rem; color: var(--text-muted); margin-bottom: var(--spacing-md); }
        .article-not-found h2 { font-size: 1.8rem; color: var(--text-primary); margin-bottom: var(--spacing-sm); }
        .article-not-found p { color: var(--text-secondary); margin-bottom: var(--spacing-md); }
        .article-not-found .btn-back {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 32px; border-radius: var(--radius-xl);
            background: var(--primary); color: var(--text-white); font-weight: 600;
            transition: all var(--transition);
        }
        .article-not-found .btn-back:hover { background: var(--primary-light); transform: translateY(-2px); color: var(--text-white); }

        /* ===== Sidebar ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: var(--spacing-md); }

        .sidebar-card {
            background: var(--bg-white); border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm); padding: var(--spacing-md);
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 1.1rem; font-weight: 700; margin-bottom: var(--spacing-sm);
            display: flex; align-items: center; gap: 8px;
            padding-bottom: var(--spacing-sm); border-bottom: 2px solid var(--border-light);
        }
        .sidebar-card h3 i { color: var(--secondary); }

        .sidebar-list { display: flex; flex-direction: column; gap: 10px; }
        .sidebar-list li { }
        .sidebar-list a {
            display: flex; align-items: center; gap: 10px;
            padding: 10px 14px; border-radius: var(--radius-md);
            background: var(--bg-light); font-size: 0.9rem; color: var(--text-secondary);
            transition: all var(--transition);
        }
        .sidebar-list a:hover { background: var(--primary); color: var(--text-white); transform: translateX(4px); }
        .sidebar-list a i { font-size: 0.8rem; color: var(--primary); transition: color var(--transition); }
        .sidebar-list a:hover i { color: var(--text-white); }

        .sidebar-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: var(--spacing-sm); }
        .sidebar-tags a {
            display: inline-flex; padding: 5px 14px; border-radius: var(--radius-xl);
            background: var(--bg-light); color: var(--text-secondary);
            font-size: 0.8rem; font-weight: 500; transition: all var(--transition);
        }
        .sidebar-tags a:hover { background: var(--primary); color: var(--text-white); transform: translateY(-1px); }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-lg); padding: var(--spacing-md);
            color: var(--text-white); text-align: center;
        }
        .sidebar-cta h4 { color: var(--text-white); font-size: 1.1rem; margin-bottom: var(--spacing-xs); }
        .sidebar-cta p { font-size: 0.85rem; color: rgba(255,255,255,0.75); margin-bottom: var(--spacing-sm); }
        .sidebar-cta .btn-cta {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 10px 28px; border-radius: var(--radius-xl);
            background: var(--secondary); color: var(--primary-dark);
            font-weight: 700; transition: all var(--transition);
        }
        .sidebar-cta .btn-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,184,48,0.35); color: var(--primary-dark); }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: var(--spacing-lg) 0 var(--spacing-xl);
            background: var(--bg-white);
        }
        .faq-section .section-title {
            text-align: center; font-size: 2rem; font-weight: 800;
            margin-bottom: var(--spacing-lg);
        }
        .faq-section .section-title i { color: var(--secondary); margin-right: 10px; }
        .faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: var(--spacing-sm); }
        .faq-item {
            border: 1px solid var(--border-color); border-radius: var(--radius-md);
            overflow: hidden; transition: box-shadow var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: var(--spacing-md); background: var(--bg-light);
            font-weight: 600; cursor: pointer; transition: background var(--transition);
            font-size: 1rem; color: var(--text-primary);
        }
        .faq-question:hover { background: #e8ecf4; }
        .faq-question i { color: var(--primary); transition: transform var(--transition); font-size: 0.85rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 var(--spacing-md); max-height: 0; overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7;
        }
        .faq-answer.open { max-height: 400px; padding: var(--spacing-md); }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: var(--spacing-xl) 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            text-align: center; 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; mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { font-size: 2rem; font-weight: 800; color: var(--text-white); margin-bottom: var(--spacing-sm); }
        .cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.8); margin-bottom: var(--spacing-md); max-width: 600px; margin-left: auto; margin-right: auto; }
        .cta-section .btn-cta-big {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 16px 48px; border-radius: var(--radius-xl);
            background: var(--secondary); color: var(--primary-dark);
            font-weight: 700; font-size: 1.1rem;
            box-shadow: 0 8px 32px rgba(232,184,48,0.35);
            transition: all var(--transition);
        }
        .cta-section .btn-cta-big:hover { transform: translateY(-4px); box-shadow: 0 16px 48px rgba(232,184,48,0.45); color: var(--primary-dark); }

        /* ===== Footer ===== */
        footer {
            background: var(--bg-dark); color: var(--text-light); padding: var(--spacing-xl) 0 var(--spacing-lg);
        }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: var(--spacing-lg); margin-bottom: var(--spacing-lg); }
        .footer-brand .logo-text { font-size: 1.3rem; font-weight: 800; color: var(--text-white); display: flex; align-items: center; gap: 10px; margin-bottom: var(--spacing-sm); }
        .footer-brand .logo-text i { color: var(--secondary); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: var(--text-light); max-width: 360px; }
        .footer-col h4 { font-size: 1rem; font-weight: 700; color: var(--text-white); margin-bottom: var(--spacing-sm); }
        .footer-col a { display: flex; align-items: center; gap: 8px; padding: 5px 0; font-size: 0.9rem; color: var(--text-light); transition: all var(--transition); }
        .footer-col a:hover { color: var(--secondary); transform: translateX(4px); }
        .footer-col a i { font-size: 0.75rem; width: 16px; color: var(--secondary); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: var(--spacing-md); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--spacing-sm); font-size: 0.85rem; color: var(--text-muted); }
        .footer-bottom a { color: var(--text-light); }
        .footer-bottom a:hover { color: var(--secondary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-md); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --header-height: 64px; --spacing-xl: 48px; --spacing-lg: 32px; }
            .nav-links { display: none; position: fixed; top: var(--header-height); left: 0; right: 0; background: var(--bg-white); flex-direction: column; border-radius: 0; padding: var(--spacing-md); box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--border-color); gap: 8px; }
            .nav-links.open { display: flex; }
            .nav-links a { padding: 12px 18px; border-radius: var(--radius-md); width: 100%; }
            .nav-toggle { display: flex; }
            .nav-cta .btn-nav { padding: 8px 16px; font-size: 0.85rem; }
            .inner-hero { min-height: 200px; padding: var(--spacing-lg) 0; }
            .inner-hero h1 { font-size: 1.6rem; }
            .article-body { padding: var(--spacing-md); }
            .article-title { font-size: 1.5rem; }
            .article-content { font-size: 1rem; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: var(--spacing-md); }
            .footer-bottom { flex-direction: column; text-align: center; }
            .faq-section .section-title { font-size: 1.5rem; }
            .cta-section h2 { font-size: 1.5rem; }
            .cta-section .btn-cta-big { padding: 14px 32px; font-size: 1rem; }
        }
        @media (max-width: 520px) {
            .nav-logo span { font-size: 0.95rem; }
            .nav-logo i { font-size: 1.2rem; }
            .nav-cta .btn-nav { padding: 6px 12px; font-size: 0.8rem; }
            .inner-hero h1 { font-size: 1.3rem; }
            .article-title { font-size: 1.2rem; }
            .article-meta { font-size: 0.75rem; }
            .sidebar-card { padding: var(--spacing-sm); }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3c6e;
            --primary-light: #2a5a9e;
            --primary-dark: #0f2a4f;
            --primary-bg: #eef4fb;
            --secondary: #e8a838;
            --secondary-light: #f5c85a;
            --secondary-dark: #c88a1e;
            --accent: #d94a3d;
            --accent-light: #f06a5a;
            --success: #2b8c5e;
            --info: #3b82b5;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --bg-section: #f0f5fa;
            --text: #1a2332;
            --text-light: #4a5a72;
            --text-muted: #8a9aaa;
            --border: #dce3ed;
            --border-light: #e9eef4;
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 18px;
            --shadow: 0 4px 20px rgba(26, 60, 110, 0.08);
            --shadow-lg: 0 12px 40px rgba(26, 60, 110, 0.12);
            --shadow-hover: 0 8px 32px rgba(26, 60, 110, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 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-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font: inherit;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        #site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            transition: var(--transition);
        }
        #site-header.scrolled {
            box-shadow: 0 2px 30px rgba(26, 60, 110, 0.08);
        }
        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-logo i {
            font-size: 1.5rem;
            color: var(--secondary);
        }
        .nav-logo span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .nav-links a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.94rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
        }
        .nav-links a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: var(--primary-bg);
        }
        .nav-links a.active {
            color: var(--primary-dark);
            background: var(--primary-bg);
            font-weight: 600;
        }
        .nav-links a.active i {
            opacity: 1;
            color: var(--secondary);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 9px 22px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
            text-decoration: none;
            white-space: nowrap;
            border: none;
        }
        .btn-nav:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(26, 60, 110, 0.25);
        }
        .btn-nav i {
            font-size: 0.85rem;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 6px 4px;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: 0 12px 40px rgba(26, 60, 110, 0.1);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: flex;
            }
            .btn-nav {
                padding: 8px 16px;
                font-size: 0.85rem;
            }
            .btn-nav span {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            .btn-nav {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .btn-nav i {
                font-size: 0.75rem;
            }
        }

        /* ===== 页面布局 ===== */
        main {
            padding-top: var(--header-height);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-section);
        }
        .section-dark {
            background: var(--bg-dark);
            color: #e0e8f0;
        }
        .section-dark h2,
        .section-dark h3 {
            color: #fff;
        }
        .section-title {
            text-align: center;
            margin-bottom: 16px;
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .section-sub {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
            color: var(--text-light);
            font-size: 1.08rem;
            line-height: 1.7;
        }
        .section-dark .section-sub {
            color: #b0c4d8;
        }
        .section-sub a {
            color: var(--secondary);
            text-decoration: underline;
        }
        .section-sub a:hover {
            color: var(--secondary-light);
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }
        }

        /* ===== 标签组 ===== */
        .tag-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }
        .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: 100px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            cursor: default;
        }
        .tag i {
            font-size: 0.75rem;
            color: var(--primary-light);
        }
        .tag:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            background: var(--primary-bg);
        }
        .tag-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .tag-primary i {
            color: var(--secondary-light);
        }
        .tag-primary:hover {
            background: var(--primary-light);
            color: #fff;
        }

        /* ===== Hero 内页横幅 ===== */
        .page-hero {
            position: relative;
            padding: 120px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-hero::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;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232, 168, 56, 0.10) 0%, transparent 70%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.8px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .page-hero h1 i {
            color: var(--secondary);
            margin-right: 12px;
        }
        .page-hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 12px;
        }
        .page-hero .hero-tags .tag {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
        }
        .page-hero .hero-tags .tag i {
            color: var(--secondary-light);
        }
        .page-hero .hero-tags .tag:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.3);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 100px 0 56px;
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero h1 i {
                margin-right: 8px;
            }
            .page-hero p {
                font-size: 1rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.9rem;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 16px 0 8px;
            font-size: 0.88rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-light);
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }

        @media (max-width: 1024px) {
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .card-grid.cols-3 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.cols-2,
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
            background: var(--border-light);
        }
        .card-body {
            padding: 24px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a {
            color: var(--text);
            text-decoration: none;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 12px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-muted);
            flex-wrap: wrap;
        }
        .card-meta i {
            margin-right: 4px;
        }
        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 12px;
        }
        .card-tags .tag {
            font-size: 0.75rem;
            padding: 3px 12px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            margin-top: 8px;
            text-decoration: none;
        }
        .card-link:hover {
            color: var(--primary-light);
            gap: 10px;
        }

        /* ===== 图文区块 ===== */
        .media-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .media-block.reverse {
            direction: rtl;
        }
        .media-block.reverse>* {
            direction: ltr;
        }
        .media-block .media-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .media-block .media-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 300px;
        }
        .media-block .media-content h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.3px;
        }
        .media-block .media-content p {
            color: var(--text-light);
            font-size: 1.05rem;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .media-block .media-content .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 20px;
        }
        .media-block .media-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.98rem;
            color: var(--text-light);
        }
        .media-block .media-content .feature-list li i {
            color: var(--success);
            font-size: 1.1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 900px) {
            .media-block {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .media-block.reverse {
                direction: ltr;
            }
            .media-block .media-content h2 {
                font-size: 1.5rem;
            }
            .media-block .media-content p {
                font-size: 0.95rem;
            }
            .media-block .media-image img {
                min-height: 220px;
            }
        }

        /* ===== 步骤/流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: var(--primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            border-radius: 50%;
            box-shadow: 0 4px 14px rgba(26, 60, 110, 0.2);
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .step-card .step-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 12px;
            display: block;
        }

        /* ===== 排行/列表 ===== */
        .rank-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .rank-item:hover {
            border-color: var(--border);
            background: var(--primary-bg);
        }
        .rank-num {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-bg);
            color: var(--primary);
            font-weight: 800;
            font-size: 0.95rem;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .rank-item.top .rank-num {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .rank-item .rank-info {
            flex: 1;
        }
        .rank-item .rank-info h4 {
            font-size: 0.98rem;
            font-weight: 600;
            margin-bottom: 2px;
        }
        .rank-item .rank-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .rank-item .rank-badge {
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.78rem;
            font-weight: 600;
            background: var(--primary-bg);
            color: var(--primary);
            flex-shrink: 0;
        }
        .rank-item.top .rank-badge {
            background: var(--secondary);
            color: var(--primary-dark);
        }

        /* ===== 计数徽章 ===== */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-card {
            padding: 32px 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
        }
        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-card .stat-number i {
            font-size: 2rem;
            color: var(--secondary);
            margin-right: 8px;
        }
        .stat-card .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            gap: 16px;
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--primary-light);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question .faq-toggle {
            font-size: 0.85rem;
            color: var(--text-muted);
            transition: var(--transition);
        }
        .faq-item.open .faq-question .faq-toggle {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-question {
            color: var(--primary);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            padding: 80px 0;
            text-align: center;
            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;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            font-weight: 900;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: var(--secondary);
            color: var(--primary-dark);
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            text-decoration: none;
            border: none;
        }
        .btn-cta:hover {
            background: var(--secondary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(232, 168, 56, 0.3);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            background: transparent;
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            text-decoration: none;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.5);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .cta-section p {
                font-size: 0.95rem;
            }
            .btn-cta,
            .btn-cta-outline {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== 提示条 ===== */
        .alert-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 20px;
            background: var(--primary-bg);
            border-radius: var(--radius-sm);
            border-left: 4px solid var(--primary);
            margin: 20px 0;
            font-size: 0.95rem;
            color: var(--text-light);
        }
        .alert-bar i {
            font-size: 1.2rem;
            color: var(--primary);
            flex-shrink: 0;
        }
        .alert-bar strong {
            color: var(--text);
        }

        /* ===== 分隔线 ===== */
        .divider {
            width: 60px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin: 0 auto 20px;
        }
        .divider-left {
            margin: 0 0 20px;
        }

        /* ===== 头像组 ===== */
        .avatar-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: -8px;
            margin-top: 16px;
        }
        .avatar-group .avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 3px solid var(--bg-card);
            object-fit: cover;
            margin-left: -8px;
            background: var(--border-light);
        }
        .avatar-group .avatar:first-child {
            margin-left: 0;
        }
        .avatar-group .avatar-more {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            border: 3px solid var(--bg-card);
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            margin-left: -8px;
        }

        /* ===== 页脚 ===== */
        footer {
            background: var(--bg-dark);
            color: #c0d0e0;
            padding: 64px 0 0;
        }
        .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 .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-brand .logo-text i {
            color: var(--secondary);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: #8aa0b8;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            font-size: 0.9rem;
            color: #8aa0b8;
            text-decoration: none;
            transition: var(--transition);
        }
        .footer-col a i {
            font-size: 0.75rem;
            color: var(--secondary);
            opacity: 0.6;
        }
        .footer-col a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-col a:hover i {
            opacity: 1;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 0.85rem;
            color: #6a8098;
        }
        .footer-bottom a {
            color: var(--secondary);
            text-decoration: none;
        }
        .footer-bottom a:hover {
            text-decoration: underline;
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 按钮通用 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 11px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            text-decoration: none;
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 60, 110, 0.25);
        }
        .btn-secondary {
            background: var(--secondary);
            color: var(--primary-dark);
        }
        .btn-secondary:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 168, 56, 0.25);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }
        .mt-12 {
            margin-top: 12px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .gap-16 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .stat-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
            }
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero h1 i {
                font-size: 1.2rem;
            }
        }

        /* ===== 分类页特色组件 ===== */
        .guide-card {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 24px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .guide-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: var(--border);
        }
        .guide-card .guide-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-bg);
            border-radius: var(--radius-sm);
            font-size: 1.6rem;
            color: var(--primary);
        }
        .guide-card .guide-body {
            flex: 1;
        }
        .guide-card .guide-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .guide-card .guide-body p {
            font-size: 0.92rem;
            color: var(--text-light);
            line-height: 1.6;
        }
        .guide-card .guide-body .guide-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-top: 10px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        @media (max-width: 640px) {
            .guide-card {
                flex-direction: column;
                gap: 14px;
            }
            .guide-card .guide-icon {
                width: 48px;
                height: 48px;
                font-size: 1.3rem;
            }
        }

        /* ===== 内容列表（分类页文章列表） ===== */
        .content-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .content-item {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .content-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow);
        }
        .content-item .item-thumb {
            width: 80px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--border-light);
        }
        .content-item .item-info {
            flex: 1;
        }
        .content-item .item-info h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .content-item .item-info p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .content-item .item-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }

        @media (max-width: 640px) {
            .content-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .content-item .item-thumb {
                width: 100%;
                height: 140px;
            }
            .content-item .item-meta {
                white-space: normal;
            }
        }

        /* ===== 分类页标签云 ===== */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-cloud .tag {
            padding: 8px 20px;
            font-size: 0.9rem;
            border-radius: 100px;
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            color: var(--text-light);
            transition: var(--transition);
            cursor: pointer;
        }
        .tag-cloud .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }
        .tag-cloud .tag.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }