/* roulang page: index */
:root {
  --primary: #1a7a3a;
  --primary-dark: #0e5a28;
  --primary-light: #e6f7ed;
  --primary-gradient: linear-gradient(135deg, #1a7a3a 0%, #2d9e52 100%);
  --accent: #f5a623;
  --accent-light: #fff3e0;
  --bg: #ffffff;
  --bg-alt: #f6faf8;
  --bg-card: #ffffff;
  --text-primary: #1a1a2e;
  --text-secondary: #4a5568;
  --text-muted: #8a95a5;
  --border: #e2e8e6;
  --border-light: #edf2ef;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-lg: 0 8px 40px rgba(0,0,0,0.1);
  --shadow-xl: 0 16px 60px rgba(0,0,0,0.12);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font-sans); color: var(--text-primary); background: var(--bg); line-height: 1.7; font-size: 16px; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; background: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-title { font-size: 2rem; font-weight: 700; color: var(--text-primary); margin-bottom: 0.5rem; letter-spacing: -0.02em; }
.section-subtitle { font-size: 1.05rem; color: var(--text-secondary); max-width: 640px; margin-bottom: 2.5rem; line-height: 1.6; }
.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 28px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); font-weight: 600; font-size: 0.95rem; transition: var(--transition); border: 2px solid transparent; white-space: nowrap; }
.btn-primary { background: var(--primary-gradient); color: #fff; box-shadow: 0 4px 14px rgba(26,122,58,0.3); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(26,122,58,0.4); color: #fff; }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-accent { background: var(--accent); color: #1a1a2e; box-shadow: 0 4px 14px rgba(245,166,35,0.3); }
.btn-accent:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245,166,35,0.4); color: #1a1a2e; }
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-md); }
.tag { display: inline-block; padding: 4px 14px; border-radius: 20px; font-size: 0.8rem; font-weight: 500; background: var(--primary-light); color: var(--primary); }
.tag-accent { background: var(--accent-light); color: #b87d10; }
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 2px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 500; background: var(--bg-alt); color: var(--text-secondary); }
.card { background: var(--bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-md); overflow: hidden; transition: var(--transition); border: 1px solid var(--border-light); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: 0; }
.card-body { padding: 20px 24px 24px; }
.card-title { font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; color: var(--text-primary); }
.card-text { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 12px; }
.card-meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-muted); }
.stat-number { font-size: 2.8rem; font-weight: 800; color: var(--primary); line-height: 1.1; letter-spacing: -0.03em; }
.stat-label { font-size: 0.95rem; color: var(--text-secondary); margin-top: 4px; }
.faq-item { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq-question { font-weight: 600; font-size: 1.05rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; color: var(--text-primary); }
.faq-answer { margin-top: 12px; color: var(--text-secondary); line-height: 1.7; font-size: 0.95rem; display: none; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-icon { transform: rotate(180deg); }
.faq-icon { transition: var(--transition); color: var(--primary); }
/* Header */
.header { position: fixed; top: 0; left: 0; right: 0; z-index: 1000; background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-light); transition: var(--transition); }
.header.scrolled { box-shadow: var(--shadow-md); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.35rem; font-weight: 700; color: var(--text-primary); }
.logo i { color: var(--primary); font-size: 1.6rem; }
.logo:hover { color: var(--primary); }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a { padding: 8px 18px; border-radius: var(--radius-sm); font-size: 0.92rem; font-weight: 500; color: var(--text-secondary); transition: var(--transition); position: relative; }
.nav a:hover { color: var(--primary); background: var(--primary-light); }
.nav a.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.nav a.active::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; background: var(--primary); border-radius: 2px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; align-items: center; background: var(--bg-alt); border-radius: 24px; padding: 0 16px; border: 1px solid var(--border); transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,122,58,0.1); }
.search-box input { background: transparent; border: none; padding: 8px 0; font-size: 0.88rem; color: var(--text-primary); width: 140px; }
.search-box input::placeholder { color: var(--text-muted); }
.search-box i { color: var(--text-muted); font-size: 0.9rem; }
.search-box button { padding: 8px 0 8px 8px; color: var(--text-muted); }
.mobile-toggle { display: none; font-size: 1.4rem; color: var(--text-primary); padding: 8px; cursor: pointer; }
/* Hero */
.hero { padding-top: 72px; min-height: 88vh; display: flex; align-items: center; position: relative; background: linear-gradient(135deg, #f0faf4 0%, #e8f5e9 50%, #f6faf8 100%); overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.25; z-index: 0; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(26,122,58,0.08) 0%, rgba(15,80,35,0.12) 100%); z-index: 1; }
.hero-content { position: relative; z-index: 2; max-width: 720px; padding: 80px 0; }
.hero-tag { display: inline-block; padding: 6px 20px; border-radius: 24px; background: rgba(26,122,58,0.12); color: var(--primary); font-size: 0.85rem; font-weight: 600; margin-bottom: 20px; backdrop-filter: blur(4px); }
.hero h1 { font-size: 3.2rem; font-weight: 800; line-height: 1.2; letter-spacing: -0.03em; color: var(--text-primary); margin-bottom: 20px; }
.hero h1 span { color: var(--primary); }
.hero p { font-size: 1.15rem; color: var(--text-secondary); line-height: 1.7; max-width: 560px; margin-bottom: 32px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-stats { display: flex; gap: 40px; margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.hero-stat-item .stat-number { font-size: 2.2rem; }
.hero-stat-item .stat-label { font-size: 0.88rem; }
/* Featured / 核心板块 */
.featured-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.featured-card { display: flex; flex-direction: column; border-radius: var(--radius-md); overflow: hidden; background: var(--bg-card); box-shadow: var(--shadow-md); transition: var(--transition); border: 1px solid var(--border-light); }
.featured-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.featured-card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
.featured-card-body { padding: 28px 32px; flex: 1; display: flex; flex-direction: column; }
.featured-card-body h3 { font-size: 1.3rem; font-weight: 600; margin-bottom: 10px; }
.featured-card-body p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; margin-bottom: 16px; flex: 1; }
.featured-card-body .btn { align-self: flex-start; }
/* Category entry */
.cat-entry { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.cat-card { text-align: center; padding: 40px 28px; border-radius: var(--radius-md); background: var(--bg-card); border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); transition: var(--transition); }
.cat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.cat-card i { font-size: 2.8rem; color: var(--primary); margin-bottom: 16px; display: block; }
.cat-card h3 { font-size: 1.2rem; font-weight: 600; margin-bottom: 8px; }
.cat-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 16px; }
.cat-card .tag { margin-top: 8px; }
/* Latest posts / CMS 列表 */
.post-list { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.post-card { display: flex; gap: 20px; background: var(--bg-card); border-radius: var(--radius-md); padding: 20px; border: 1px solid var(--border-light); box-shadow: var(--shadow-sm); transition: var(--transition); }
.post-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.post-card-img { width: 140px; min-height: 100px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.post-card-info { flex: 1; display: flex; flex-direction: column; justify-content: center; }
.post-card-info h4 { font-size: 1rem; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.post-card-info h4 a { color: var(--text-primary); }
.post-card-info h4 a:hover { color: var(--primary); }
.post-card-info p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.78rem; color: var(--text-muted); }
/* Stats / 数据板块 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-card { padding: 32px 16px; background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-light); transition: var(--transition); }
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
/* Steps / 流程 */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
.step-card { text-align: center; padding: 40px 24px; background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-light); position: relative; transition: var(--transition); }
.step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.step-num { width: 48px; height: 48px; border-radius: 50%; background: var(--primary-gradient); color: #fff; font-size: 1.2rem; font-weight: 700; display: flex; align-items: center; justify-content: center; margin: 0 auto 16px; }
.step-card h4 { font-size: 1.1rem; font-weight: 600; margin-bottom: 8px; }
.step-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }
/* CTA */
.cta-section { background: var(--primary-gradient); padding: 80px 0; text-align: center; color: #fff; border-radius: 0; }
.cta-section h2 { font-size: 2.2rem; font-weight: 700; margin-bottom: 16px; }
.cta-section p { font-size: 1.1rem; opacity: 0.9; max-width: 560px; margin: 0 auto 32px; line-height: 1.6; }
.cta-section .btn { background: #fff; color: var(--primary); box-shadow: 0 4px 20px rgba(0,0,0,0.15); }
.cta-section .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); }
/* Footer */
.footer { background: #0f1a14; color: rgba(255,255,255,0.7); padding: 60px 0 32px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .logo { color: #fff; margin-bottom: 16px; }
.footer-brand .logo i { color: #4ade80; }
.footer-brand p { font-size: 0.9rem; line-height: 1.6; max-width: 320px; }
.footer h4 { color: #fff; font-size: 1rem; font-weight: 600; margin-bottom: 16px; }
.footer a { color: rgba(255,255,255,0.6); font-size: 0.88rem; display: block; padding: 4px 0; transition: var(--transition); }
.footer a:hover { color: #4ade80; }
.footer-social { display: flex; gap: 12px; margin-top: 16px; }
.footer-social a { width: 40px; height: 40px; 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: 1.1rem; }
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; color: rgba(255,255,255,0.4); }
.footer-bottom a { color: rgba(255,255,255,0.4); display: inline; padding: 0; }
.footer-bottom a:hover { color: #4ade80; }
/* Empty state */
.empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
.empty-state i { font-size: 3rem; margin-bottom: 16px; display: block; color: var(--border); }
/* Responsive */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-title { font-size: 1.6rem; }
  .hero h1 { font-size: 2.2rem; }
  .hero p { font-size: 1rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat-item .stat-number { font-size: 1.8rem; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .post-list { grid-template-columns: 1fr; }
  .post-card { flex-direction: column; }
  .post-card-img { width: 100%; aspect-ratio: 16/9; }
  .featured-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .nav { display: none; }
  .nav.open { display: flex; flex-direction: column; position: absolute; top: 72px; left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(12px); padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow-md); gap: 4px; }
  .nav.open a { width: 100%; padding: 12px 16px; }
  .nav.open a.active::after { display: none; }
  .mobile-toggle { display: block; }
  .search-box { display: none; }
  .header-actions .btn span { display: none; }
  .hero-actions .btn-lg { padding: 12px 24px; font-size: 0.95rem; }
  .cta-section h2 { font-size: 1.6rem; }
  .cta-section p { font-size: 0.95rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero h1 { font-size: 1.7rem; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .stats-grid { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: article */
:root {
  --primary: #1a6b3c;
  --primary-light: #238b4e;
  --primary-dark: #0f4d2a;
  --primary-bg: #e8f5e9;
  --accent: #e8a838;
  --accent-light: #f0c060;
  --accent-dark: #c88a1e;
  --bg: #fafaf8;
  --bg-card: #ffffff;
  --bg-dark: #1a2e1a;
  --text: #1e2a1e;
  --text-light: #5a6a5a;
  --text-muted: #8a9a8a;
  --border: #dce4dc;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(26, 107, 60, 0.08);
  --shadow-hover: 0 8px 40px rgba(26, 107, 60, 0.16);
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Segoe UI', system-ui, -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --max-width: 1180px;
  --nav-height: 68px;
}
*,*::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-light)}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm)}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline: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:2.2rem;letter-spacing:-0.02em}
h2{font-size:1.7rem;letter-spacing:-0.01em}
h3{font-size:1.25rem}
p{margin-bottom:1rem;color:var(--text-light)}
.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:sticky;top:0;z-index:100;background:rgba(255,255,255,0.92);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);box-shadow:0 1px 12px rgba(0,0,0,0.03);height:var(--nav-height)}
.header .container{display:flex;align-items:center;justify-content:space-between;height:100%}
.logo{display:flex;align-items:center;gap:10px;font-size:1.35rem;font-weight:800;color:var(--primary);letter-spacing:-0.02em}
.logo i{font-size:1.5rem;color:var(--accent)}
.logo:hover{color:var(--primary-dark)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{display:inline-flex;align-items:center;padding:8px 18px;border-radius:40px;font-size:0.92rem;font-weight:500;color:var(--text-light);transition:all var(--transition);position:relative}
.nav a:hover{color:var(--primary);background:var(--primary-bg)}
.nav a.active{color:#fff;background:var(--primary);font-weight:600;box-shadow:0 2px 12px rgba(26,107,60,0.25)}
.nav a.active:hover{background:var(--primary-light)}
.nav-actions{display:flex;align-items:center;gap:12px}
.search-box{display:flex;align-items:center;background:var(--bg);border:1px solid var(--border);border-radius:40px;padding:0 14px;height:40px;transition:all var(--transition);width:200px}
.search-box:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(26,107,60,0.1);width:240px}
.search-box input{border:none;background:transparent;padding:8px 0;font-size:0.88rem;color:var(--text);width:100%}
.search-box input::placeholder{color:var(--text-muted)}
.search-box i{color:var(--text-muted);font-size:0.9rem;margin-right:8px}
.btn{padding:10px 28px;border-radius:40px;font-weight:600;font-size:0.92rem;border:none;cursor:pointer;transition:all var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 2px 12px rgba(26,107,60,0.2)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 6px 24px rgba(26,107,60,0.25)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 2px 12px rgba(232,168,56,0.3)}
.btn-accent:hover{background:var(--accent-light);transform:translateY(-2px);box-shadow:0 6px 24px rgba(232,168,56,0.35)}
.btn-outline{background:transparent;color:var(--primary);border:2px solid var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:6px 18px;font-size:0.82rem}
.nav-toggle{display:none;background:none;border:none;font-size:1.5rem;color:var(--text);cursor:pointer;padding:4px}
@media (max-width:900px){
  .nav{position:fixed;top:var(--nav-height);left:0;right:0;background:rgba(255,255,255,0.98);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);flex-direction:column;padding:16px 24px 24px;gap:4px;border-bottom:1px solid var(--border);box-shadow:0 12px 32px rgba(0,0,0,0.08);display:none;z-index:99}
  .nav.open{display:flex}
  .nav a{width:100%;justify-content:center;padding:12px 18px;border-radius:var(--radius-sm)}
  .nav-toggle{display:block}
  .search-box{width:140px}
  .search-box:focus-within{width:180px}
  .header .container{gap:8px}
}
@media (max-width:520px){
  .search-box{width:100px}
  .search-box:focus-within{width:140px}
  .btn-accent span{display:none}
}

/* ===== Article Hero ===== */
.article-hero{position:relative;padding:120px 0 80px;background:linear-gradient(135deg, var(--primary-dark), var(--primary));overflow:hidden;margin-top:0}
.article-hero::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;opacity:0.12;pointer-events:none}
.article-hero .container{position:relative;z-index:2;text-align:center;max-width:840px}
.article-hero .breadcrumb{display:flex;align-items:center;justify-content:center;gap:8px;font-size:0.88rem;color:rgba(255,255,255,0.6);margin-bottom:24px}
.article-hero .breadcrumb a{color:rgba(255,255,255,0.7);text-decoration:underline;text-underline-offset:4px}
.article-hero .breadcrumb a:hover{color:#fff}
.article-hero .breadcrumb .sep{color:rgba(255,255,255,0.3)}
.article-hero .category-badge{display:inline-block;padding:4px 16px;border-radius:40px;background:rgba(232,168,56,0.2);color:var(--accent-light);font-size:0.82rem;font-weight:500;letter-spacing:0.5px;margin-bottom:16px;border:1px solid rgba(232,168,56,0.3)}
.article-hero h1{font-size:2.6rem;color:#fff;max-width:780px;margin:0 auto 16px;line-height:1.25;font-weight:800}
.article-hero .meta{display:flex;align-items:center;justify-content:center;gap:20px;flex-wrap:wrap;color:rgba(255,255,255,0.65);font-size:0.88rem}
.article-hero .meta i{margin-right:6px;color:rgba(255,255,255,0.4)}
@media (max-width:768px){
  .article-hero{padding:100px 0 56px}
  .article-hero h1{font-size:1.7rem}
  .article-hero .meta{gap:12px;font-size:0.82rem}
}
@media (max-width:520px){
  .article-hero{padding:80px 0 40px}
  .article-hero h1{font-size:1.35rem}
}

/* ===== Article Content ===== */
.article-main{padding:48px 0 64px}
.article-layout{display:grid;grid-template-columns:1fr 300px;gap:48px;align-items:start}
.article-body{background:var(--bg-card);border-radius:var(--radius);padding:48px;box-shadow:var(--shadow);border:1px solid var(--border)}
.article-body .content{font-size:1.02rem;line-height:1.85;color:var(--text)}
.article-body .content p{margin-bottom:1.4rem}
.article-body .content h2{font-size:1.45rem;margin:2rem 0 0.8rem;color:var(--primary-dark)}
.article-body .content h3{font-size:1.2rem;margin:1.6rem 0 0.6rem;color:var(--text)}
.article-body .content img{border-radius:var(--radius-sm);margin:1.6rem auto;box-shadow:var(--shadow-sm)}
.article-body .content ul,.article-body .content ol{padding-left:1.6rem;margin-bottom:1.4rem;color:var(--text-light)}
.article-body .content li{margin-bottom:0.4rem;list-style:disc}
.article-body .content blockquote{border-left:4px solid var(--primary);background:var(--primary-bg);padding:16px 24px;margin:1.4rem 0;border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-light);font-style:italic}
.article-body .content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body .content a:hover{color:var(--primary-light)}
.article-footer-meta{margin-top:40px;padding-top:24px;border-top:1px solid var(--border);display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px}
.article-footer-meta .tags{display:flex;gap:8px;flex-wrap:wrap}
.article-footer-meta .tags span{display:inline-block;padding:4px 14px;background:var(--primary-bg);color:var(--primary);border-radius:40px;font-size:0.8rem;font-weight:500}
.article-footer-meta .share{display:flex;gap:8px;align-items:center;color:var(--text-muted);font-size:0.88rem}
.article-footer-meta .share a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--bg);color:var(--text-light);transition:all var(--transition);border:1px solid var(--border)}
.article-footer-meta .share a:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}
@media (max-width:992px){
  .article-layout{grid-template-columns:1fr}
}
@media (max-width:768px){
  .article-body{padding:24px 20px}
  .article-body .content{font-size:0.96rem}
  .article-footer-meta{flex-direction:column;align-items:flex-start}
}

/* ===== Sidebar ===== */
.article-sidebar{display:flex;flex-direction:column;gap:28px}
.sidebar-card{background:var(--bg-card);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);border:1px solid var(--border)}
.sidebar-card h3{font-size:1.05rem;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid var(--primary-bg);color:var(--primary-dark);display:flex;align-items:center;gap:8px}
.sidebar-card h3 i{color:var(--accent)}
.sidebar-list{display:flex;flex-direction:column;gap:2px}
.sidebar-list a{display:flex;align-items:center;gap:10px;padding:10px 0;border-bottom:1px solid var(--border);font-size:0.9rem;color:var(--text-light);transition:all var(--transition)}
.sidebar-list a:last-child{border-bottom:none}
.sidebar-list a:hover{color:var(--primary);padding-left:4px}
.sidebar-list a .num{display:inline-flex;align-items:center;justify-content:center;width:24px;height:24px;border-radius:50%;background:var(--primary-bg);color:var(--primary);font-size:0.75rem;font-weight:600;flex-shrink:0}
.sidebar-cta{background:linear-gradient(135deg, var(--primary), var(--primary-dark));color:#fff;text-align:center;padding:32px 20px;border-radius:var(--radius)}
.sidebar-cta h4{color:#fff;font-size:1.1rem;margin-bottom:8px}
.sidebar-cta p{color:rgba(255,255,255,0.7);font-size:0.88rem;margin-bottom:16px}
.sidebar-cta .btn{background:#fff;color:var(--primary);font-weight:700}
.sidebar-cta .btn:hover{background:var(--accent);color:#fff;transform:translateY(-2px)}
@media (max-width:992px){
  .article-sidebar{display:grid;grid-template-columns:1fr 1fr;gap:20px}
}
@media (max-width:600px){
  .article-sidebar{grid-template-columns:1fr}
}

/* ===== Related / Bottom ===== */
.related-section{padding:48px 0 64px;background:var(--bg)}
.related-section .section-title{text-align:center;margin-bottom:36px}
.related-section .section-title h2{font-size:1.6rem;color:var(--text)}
.related-section .section-title p{color:var(--text-muted);font-size:0.95rem;max-width:560px;margin:8px auto 0}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{background:var(--bg-card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--border);transition:all var(--transition);display:flex;flex-direction:column}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.related-card .img{height:180px;background:var(--primary-bg);overflow:hidden}
.related-card .img img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s}
.related-card:hover .img img{transform:scale(1.05)}
.related-card .body{padding:18px 20px 20px;flex:1;display:flex;flex-direction:column;gap:8px}
.related-card .body .cat{font-size:0.75rem;color:var(--primary);font-weight:600;text-transform:uppercase;letter-spacing:0.5px}
.related-card .body h3{font-size:1rem;font-weight:600;line-height:1.4;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .body h3 a{color:inherit}
.related-card .body h3 a:hover{color:var(--primary)}
.related-card .body p{font-size:0.86rem;color:var(--text-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0}
.related-card .body .date{font-size:0.78rem;color:var(--text-muted);margin-top:auto}
@media (max-width:900px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:520px){
  .related-grid{grid-template-columns:1fr}
}

/* ===== Not Found ===== */
.not-found{text-align:center;padding:80px 24px;min-height:40vh;display:flex;flex-direction:column;align-items:center;justify-content:center}
.not-found i{font-size:3.6rem;color:var(--text-muted);margin-bottom:24px;opacity:0.4}
.not-found h2{font-size:1.8rem;color:var(--text);margin-bottom:8px}
.not-found p{color:var(--text-muted);font-size:1rem;margin-bottom:24px}
.not-found .btn{margin-top:8px}

/* ===== Footer ===== */
.footer{background:var(--bg-dark);color:rgba(255,255,255,0.7);padding:56px 0 32px}
.footer .container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:36px}
.footer-brand .logo{color:#fff;font-size:1.3rem;margin-bottom:12px}
.footer-brand .logo i{color:var(--accent)}
.footer-brand p{font-size:0.88rem;color:rgba(255,255,255,0.5);line-height:1.6;max-width:340px;margin-bottom:16px}
.footer-social{display:flex;gap:10px}
.footer-social a{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:rgba(255,255,255,0.08);color:rgba(255,255,255,0.6);transition:all var(--transition);font-size:1.05rem}
.footer-social a:hover{background:var(--accent);color:#fff;transform:translateY(-3px)}
.footer h4{font-size:0.95rem;color:#fff;margin-bottom:16px;font-weight:600;letter-spacing:0.3px}
.footer a{display:block;padding:5px 0;font-size:0.88rem;color:rgba(255,255,255,0.5);transition:all var(--transition)}
.footer a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;padding-top:28px;border-top:1px solid rgba(255,255,255,0.08);font-size:0.82rem;color:rgba(255,255,255,0.35)}
.footer-bottom a{display:inline;padding:0;color:rgba(255,255,255,0.4);font-size:0.82rem}
.footer-bottom a:hover{color:var(--accent);padding:0}
@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}
}

/* ===== Utility ===== */
.text-center{text-align:center}
.mt-8{margin-top:8px}
.mt-16{margin-top:16px}
.mb-8{margin-bottom:8px}
.mb-16{margin-bottom:16px}
.gap-8{gap:8px}
.flex-center{display:flex;align-items:center;justify-content:center}
@media (max-width:768px){
  h1{font-size:1.7rem}
  h2{font-size:1.35rem}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2d6a4f;
            --primary-dark: #1b4d3a;
            --primary-light: #40916c;
            --secondary: #52b788;
            --accent: #e9c46a;
            --accent-soft: #f4e9cd;
            --bg-light: #f0f7f4;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --text-dark: #1b1b1b;
            --text-body: #2d3e3a;
            --text-weak: #6b7c6b;
            --text-white: #ffffff;
            --border-light: #d4e4d4;
            --border-card: #e8f0e8;
            --shadow-sm: 0 2px 8px rgba(45, 106, 79, 0.08);
            --shadow-md: 0 6px 24px rgba(45, 106, 79, 0.10);
            --shadow-lg: 0 12px 40px rgba(45, 106, 79, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --container: 1220px;
            --header-height: 72px;
            --spacer-section: 5.6rem;
            --spacer-block: 3.2rem;
        }

        /* ===== 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);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: 1rem;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-dark);
            line-height: 1.3;
            font-weight: 700;
        }
        ::selection {
            background: var(--secondary);
            color: #fff;
        }
        :focus-visible {
            outline: 3px solid var(--secondary);
            outline-offset: 2px;
        }

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

        /* ===== 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-light);
            z-index: 1000;
            transition: box-shadow var(--transition);
        }
        .header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            transition: opacity var(--transition);
        }
        .logo i {
            font-size: 1.6rem;
            color: var(--primary);
        }
        .logo:hover {
            opacity: 0.85;
            color: var(--primary-dark);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav a {
            position: relative;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-body);
            border-radius: var(--radius-sm);
            transition: background var(--transition), color var(--transition);
        }
        .nav a:hover {
            background: var(--bg-light);
            color: var(--primary-dark);
        }
        .nav a.active {
            color: var(--primary-dark);
            font-weight: 600;
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav-cta {
            background: var(--primary) !important;
            color: var(--text-white) !important;
            padding: 8px 22px !important;
            border-radius: 40px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 12px rgba(45, 106, 79, 0.25);
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition) !important;
        }
        .nav-cta:hover {
            background: var(--primary-dark) !important;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(45, 106, 79, 0.30) !important;
        }
        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-light);
        }

        /* ===== Hero / 分类Banner ===== */
        .hero-category {
            margin-top: var(--header-height);
            padding: 5.6rem 0 4.8rem;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .hero-category::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .hero-category h1 {
            font-size: 3.2rem;
            color: var(--text-white);
            margin-bottom: 1rem;
            font-weight: 800;
            letter-spacing: 1px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .hero-category h1 i {
            margin-right: 14px;
            color: var(--accent);
            font-size: 2.8rem;
        }
        .hero-category p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.7;
            text-shadow: 0 1px 8px rgba(0, 0, 0, 0.10);
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(4px);
            padding: 6px 22px;
            border-radius: 40px;
            font-size: 0.82rem;
            color: var(--text-white);
            letter-spacing: 1px;
            margin-bottom: 1.4rem;
            border: 1px solid rgba(255, 255, 255, 0.20);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--spacer-section) 0;
        }
        .section-alt {
            background: var(--bg-light);
        }
        .section-title {
            text-align: center;
            margin-bottom: 3.2rem;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: 0.5px;
        }
        .section-title h2 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .section-title p {
            color: var(--text-weak);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0.6rem auto 0;
        }
        .title-accent {
            display: inline-block;
            width: 50px;
            height: 4px;
            background: var(--secondary);
            border-radius: 4px;
            margin-top: 0.8rem;
        }

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

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: transform 0.5s ease;
        }
        .card:hover .card-img {
            transform: scale(1.03);
        }
        .card-body {
            padding: 22px 24px 26px;
        }
        .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card-body h3 a {
            color: inherit;
        }
        .card-body h3 a:hover {
            color: var(--primary);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.65;
        }
        .card-tag {
            display: inline-block;
            background: var(--bg-light);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 2px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }
        .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 14px;
            padding-top: 12px;
            border-top: 1px solid var(--border-card);
            font-size: 0.82rem;
            color: var(--text-weak);
        }
        .card-footer i {
            margin-right: 4px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: 40px;
            transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
            cursor: pointer;
            border: none;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(45, 106, 79, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(45, 106, 79, 0.30);
            color: var(--text-white);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(45, 106, 79, 0.20);
        }
        .btn-accent {
            background: var(--accent);
            color: var(--text-dark);
            box-shadow: 0 4px 14px rgba(233, 196, 106, 0.35);
        }
        .btn-accent:hover {
            background: #e0b85c;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(233, 196, 106, 0.40);
            color: var(--text-dark);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.85rem;
        }

        /* ===== 标签 / 徽章 ===== */
        .badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .badge-green {
            background: var(--bg-light);
            color: var(--primary);
        }
        .badge-accent {
            background: var(--accent-soft);
            color: #8a6d2b;
        }

        /* ===== 统计数据块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            padding: 2.4rem 1.2rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-number i {
            font-size: 2rem;
            color: var(--secondary);
            margin-right: 6px;
            opacity: 0.7;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-weak);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: var(--bg-light);
        }
        .faq-question i {
            font-size: 1.1rem;
            color: var(--primary);
            transition: transform var(--transition);
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-weak);
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
            padding: 4.8rem 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block.reverse {
            direction: rtl;
        }
        .feature-block.reverse>* {
            direction: ltr;
        }
        .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .feature-img img {
            width: 100%;
            height: 340px;
            object-fit: cover;
            display: block;
            transition: transform 0.6s ease;
        }
        .feature-img:hover img {
            transform: scale(1.04);
        }
        .feature-text h3 {
            font-size: 1.8rem;
            margin-bottom: 0.8rem;
        }
        .feature-text p {
            color: var(--text-weak);
            font-size: 1rem;
            line-height: 1.7;
            margin-bottom: 1.2rem;
        }
        .feature-text .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 1rem;
        }

        /* ===== 文章列表 ===== */
        .article-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .article-row {
            display: grid;
            grid-template-columns: 200px 1fr;
            gap: 24px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            padding: 16px;
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .article-row:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .article-row img {
            width: 100%;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-sm);
        }
        .article-row-content h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }
        .article-row-content h4 a {
            color: var(--text-dark);
        }
        .article-row-content h4 a:hover {
            color: var(--primary);
        }
        .article-row-content p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .article-row-content .meta {
            font-size: 0.8rem;
            color: var(--text-weak);
            margin-top: 8px;
            display: flex;
            gap: 18px;
        }
        .article-row-content .meta i {
            margin-right: 4px;
        }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.80);
            padding: 4rem 0 2rem;
        }
        .footer .logo {
            color: var(--text-white);
        }
        .footer .logo i {
            color: var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 2.4rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            margin: 0.8rem 0 1.2rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.10);
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.1rem;
            transition: background var(--transition), color var(--transition), transform var(--transition);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .footer h4 {
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 1.2rem;
            font-weight: 600;
        }
        .footer a {
            display: block;
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: color var(--transition), padding-left var(--transition);
        }
        .footer a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 1.6rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom a {
            display: inline;
            color: rgba(255, 255, 255, 0.55);
            padding: 0;
        }
        .footer-bottom a:hover {
            color: var(--accent);
            padding-left: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --spacer-section: 4.2rem;
            }
            .card-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-category h1 {
                font-size: 2.6rem;
            }
            .feature-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .feature-block.reverse {
                direction: ltr;
            }
            .feature-img img {
                height: 260px;
            }
            .section-title h2 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
                --spacer-section: 3.2rem;
                --spacer-block: 2rem;
            }
            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                width: 100%;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(14px);
                flex-direction: column;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                transition: transform 0.4s ease, opacity 0.4s ease;
                pointer-events: none;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }
            .nav a.active::after {
                display: none;
            }
            .nav a.active {
                background: var(--bg-light);
            }
            .nav-cta {
                text-align: center;
                margin-top: 6px;
            }
            .nav-toggle {
                display: block;
            }
            .hero-category {
                padding: 4rem 0 3.2rem;
                min-height: 300px;
            }
            .hero-category h1 {
                font-size: 2rem;
            }
            .hero-category h1 i {
                font-size: 2rem;
            }
            .hero-category p {
                font-size: 1rem;
            }
            .card-grid-2,
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .article-row {
                grid-template-columns: 1fr;
            }
            .article-row img {
                height: 180px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.7rem;
            }
            .cta-buttons {
                flex-direction: column;
                align-items: center;
            }
            .feature-img img {
                height: 200px;
            }
            .feature-text h3 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-category h1 {
                font-size: 1.6rem;
            }
            .hero-category p {
                font-size: 0.9rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-item {
                padding: 1.6rem 0.8rem;
            }
            .card-body {
                padding: 16px 18px 20px;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
        }

        /* ===== 辅助 ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 0.6rem;
        }
        .mt-2 {
            margin-top: 1.2rem;
        }
        .mt-3 {
            margin-top: 2rem;
        }
        .gap-1 {
            gap: 0.6rem;
        }
        .gap-2 {
            gap: 1.2rem;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }