/* roulang page: index */
:root {
  --primary: #4f46e5;
  --primary-light: #818cf8;
  --secondary: #f59e0b;
  --bg: #f0f2f7;
  --surface: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --text-lighter: #94a3b8;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.05);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.09);
  --space: 28px;
  --gradient: linear-gradient(135deg,#4f46e5,#7c3aed);
  --gradient-warm: linear-gradient(135deg,#f59e0b,#ef4444);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:all .25s ease}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-alt{background:var(--surface)}
.text-center{text-align:center}
.eyebrow{display:inline-block;font-size:13px;font-weight:600;letter-spacing:1.5px;text-transform:uppercase;color:var(--primary);background:rgba(79,70,229,.08);padding:6px 16px;border-radius:20px;margin-bottom:14px}
.section-title{font-size:36px;line-height:1.25;font-weight:700;margin-bottom:14px;letter-spacing:-.5px}
.section-sub{font-size:16px;color:var(--text-light);max-width:560px;margin:0 auto 48px}
/* Header */
.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;box-shadow:0 2px 16px rgba(0,0,0,.04)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.site-logo{font-size:24px;font-weight:800;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;letter-spacing:-.5px}
.site-logo i{margin-right:4px;-webkit-text-fill-color:var(--primary)}
.site-nav{display:flex;gap:8px}
.nav-link{font-size:15px;font-weight:500;color:var(--text-light);padding:9px 20px;border-radius:30px;transition:all .25s}
.nav-link:hover{color:var(--primary);background:rgba(79,70,229,.06)}
.nav-link.active{color:#fff;background:var(--gradient);box-shadow:0 4px 14px rgba(79,70,229,.3)}
/* Mobile tabs */
.mobile-tabs{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--border);z-index:100;padding:8px 0 calc(8px + env(safe-area-inset-bottom))}
.mobile-tabs .tab-item{display:flex;flex-direction:column;align-items:center;flex:1;font-size:11px;color:var(--text-lighter);padding:6px 0;border-radius:10px}
.mobile-tabs .tab-item i{font-size:20px;margin-bottom:3px}
.mobile-tabs .tab-item.active{color:var(--primary)}
.mobile-tabs .tab-item.active i{transform:scale(1.1)}
/* Hero */
.hero{position:relative;padding:110px 0 100px;background:linear-gradient(rgba(15,23,42,.55),rgba(15,23,42,.65)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;color:#fff}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(79,70,229,.2),transparent)}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.18);padding:8px 20px;border-radius:40px;font-size:13px;letter-spacing:1px;margin-bottom:22px}
.hero h1{font-size:46px;font-weight:800;line-height:1.2;margin-bottom:18px;letter-spacing:-1px}
.hero p{font-size:17px;max-width:560px;margin-bottom:30px;color:rgba(255,255,255,.85)}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 32px;border-radius:40px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:all .3s ease;text-decoration:none}
.btn-gradient{background:var(--gradient);color:#fff;box-shadow:0 6px 20px rgba(79,70,229,.35)}
.btn-gradient:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(79,70,229,.45)}
.btn-outline{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.6)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.hero-stats{display:flex;gap:48px;margin-top:56px;padding-top:30px;border-top:1px solid rgba(255,255,255,.15)}
.hero-stats .stat-num{font-size:30px;font-weight:800}
.hero-stats .stat-label{font-size:13px;color:rgba(255,255,255,.7)}
/* Cards */
.card{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;transition:all .3s ease;border:1px solid var(--border)}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.card-img{aspect-ratio:16/9;overflow:hidden;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-img img{transform:scale(1.06)}
.card-img .tag{position:absolute;top:14px;left:14px;background:var(--gradient);color:#fff;font-size:12px;padding:4px 14px;border-radius:20px;font-weight:600}
.card-body{padding:24px}
.card-body h3{font-size:18px;font-weight:700;margin-bottom:10px;line-height:1.4}
.card-body p{color:var(--text-light);font-size:14px;margin-bottom:16px}
.card-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-lighter)}
/* Feature */
.feature-grid .card{padding:32px 28px;text-align:left}
.feature-icon{width:52px;height:52px;border-radius:14px;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:22px;margin-bottom:20px}
.feature-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.feature-card p{color:var(--text-light);font-size:14px;line-height:1.6}
/* Category entry */
.category-grid .card{position:relative;min-height:260px;display:flex;flex-direction:column;justify-content:flex-end;padding:30px;color:#fff;overflow:hidden}
.category-grid .card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0;transition:transform .6s ease}
.category-grid .card:hover img{transform:scale(1.08)}
.category-grid .card::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 20%,rgba(0,0,0,.75));z-index:1;transition:opacity .3s}
.category-grid .cat-body{position:relative;z-index:2}
.category-grid .cat-body h3{font-size:24px;font-weight:800;margin-bottom:8px}
.category-grid .cat-body p{font-size:14px;opacity:.85;margin-bottom:14px}
.category-grid .cat-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:#fff;background:rgba(255,255,255,.15);padding:8px 18px;border-radius:30px;backdrop-filter:blur(4px);transition:all .3s}
.category-grid .cat-link:hover{background:var(--primary);gap:10px}
/* Post list */
.post-list{background:var(--surface);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
.post-item{display:flex;align-items:center;gap:18px;padding:20px 26px;border-bottom:1px solid var(--border);transition:background .25s}
.post-item:last-child{border-bottom:none}
.post-item:hover{background:rgba(79,70,229,.03)}
.post-item .post-icon{width:42px;height:42px;border-radius:10px;background:rgba(79,70,229,.08);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.post-item .post-cat{font-size:12px;font-weight:600;color:var(--primary);background:rgba(79,70,229,.08);padding:3px 12px;border-radius:20px;flex-shrink:0}
.post-item .post-title{flex:1;font-size:15px;font-weight:500;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.post-item .post-title:hover{color:var(--primary)}
.post-item .post-date{font-size:13px;color:var(--text-lighter);flex-shrink:0}
/* Steps */
.steps-wrap{display:flex;gap:28px;flex-wrap:wrap}
.step-card{flex:1;min-width:220px;text-align:center;padding:40px 24px;background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);transition:all .3s}
.step-card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.step-num{width:64px;height:64px;margin:0 auto 20px;border-radius:50%;background:var(--gradient);color:#fff;font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(79,70,229,.3)}
.step-card h4{font-size:16px;font-weight:700;margin-bottom:10px}
.step-card p{font-size:14px;color:var(--text-light)}
/* Stats */
.stats-section{background:linear-gradient(135deg,#1e1b4b,#4f46e5),url('/assets/images/backpic/back-2.png');background-blend-mode:overlay;background-size:cover;color:#fff;padding:80px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px}
.stat-box{text-align:center;padding:24px}
.stat-box .num{font-size:38px;font-weight:800;line-height:1.2;background:linear-gradient(135deg,#fbbf24,#f59e0b);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.stat-box .label{font-size:14px;color:rgba(255,255,255,.7);margin-top:8px}
/* FAQ */
.faq-wrap{max-width:780px;margin:0 auto}
.faq-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden;transition:box-shadow .3s}
.faq-item:hover{box-shadow:var(--shadow)}
.faq-q{width:100%;text-align:left;padding:22px 26px;font-size:16px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;background:none;border:none;color:var(--text)}
.faq-q i{color:var(--primary);transition:transform .3s;font-size:14px}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{padding:0 26px 22px;font-size:14px;color:var(--text-light);line-height:1.7}
.faq-a{display:none}
.faq-item.open .faq-a{display:block}
/* CTA */
.cta-section{background:var(--gradient);border-radius:24px;padding:64px 48px;display:flex;align-items:center;justify-content:space-between;gap:40px;color:#fff;box-shadow:0 16px 48px rgba(79,70,229,.3)}
.cta-section h2{font-size:30px;font-weight:800;margin-bottom:8px}
.cta-section p{opacity:.85;font-size:15px}
.cta-section .btn{background:#fff;color:var(--primary);box-shadow:0 4px 16px rgba(0,0,0,.15)}
.cta-section .btn:hover{transform:translateY(-2px)}
/* Footer */
.site-footer{background:#141a2e;color:#94a3b8;padding:60px 0 80px}
.site-footer .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:48px}
.footer-brand{font-size:24px;font-weight:800;color:#fff;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.7}
.footer-title{font-size:16px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links a{display:block;font-size:14px;padding:5px 0;color:#94a3b8;transition:all .25s}
.footer-links a:hover{color:#fff;padding-left:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding-top:24px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
.footer-bottom a{color:#818cf8}
/* Mobile tab offset */
@media (max-width:1024px){
  .hero h1{font-size:36px}
  .section{padding:56px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:768px){
  .header-inner{height:64px}
  .site-nav{display:none}
  .mobile-tabs{display:flex}
  .site-footer{padding-bottom:100px}
  .section{padding:48px 0}
  .section-title{font-size:28px}
  .hero{padding:80px 0 70px}
  .hero h1{font-size:30px}
  .hero-stats{gap:24px;flex-wrap:wrap}
  .hero-stats .stat-num{font-size:24px}
  .feature-grid .grid-x{gap:20px}
  .feature-grid .cell{margin-bottom:0}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .cta-section{padding:40px 28px;flex-direction:column;text-align:center}
  .post-item{flex-wrap:wrap;gap:10px}
  .post-item .post-title{flex-basis:100%;white-space:normal}
  .steps-wrap{gap:16px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:26px}
  .hero p{font-size:15px}
  .hero-actions .btn{padding:12px 24px;font-size:14px}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-box .num{font-size:30px}
  .footer-bottom{justify-content:center;text-align:center}
}

/* roulang page: article */
:root {
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --primary-dark: #5a4bd1;
  --accent: #fdcb6e;
  --accent-light: #ffeaa7;
  --secondary: #00b894;
  --bg-light: #f8f7ff;
  --bg-white: #ffffff;
  --text-main: #2d3436;
  --text-muted: #636e72;
  --border: #e8e6f5;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 12px rgba(108, 92, 231, 0.08);
  --shadow-md: 0 8px 30px rgba(108, 92, 231, 0.12);
  --shadow-lg: 0 20px 60px rgba(108, 92, 231, 0.16);
  --gradient-hero: linear-gradient(135deg, #6c5ce7 0%, #a29bfe 50%, #fdcb6e 100%);
  --gradient-soft: linear-gradient(145deg, #f8f7ff 0%, #ffffff 50%, #fff9eb 100%);
  --space-xs: 16px;
  --space-sm: 24px;
  --space-md: 40px;
  --space-lg: 64px;
  --space-xl: 96px;
  --max-width: 1200px;
  --radius-card: 20px;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  background: var(--bg-light);
  line-height: 1.75;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  height: auto;
  display: block;
}
a {
  color: inherit;
  text-decoration: none;
  transition: color 0.3s ease;
}
a:hover {
  color: var(--primary);
}
ul {
  list-style: none;
}
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-sm);
}

/* ===== Header ===== */
.site-header {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.site-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.site-logo i {
  font-size: 24px;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.site-logo:hover {
  color: var(--primary-dark);
}
.site-nav {
  display: flex;
  align-items: center;
  gap: 8px;
}
.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 8px;
  transition: all 0.3s ease;
}
.nav-link i {
  font-size: 14px;
  color: var(--text-muted);
  transition: color 0.3s ease;
}
.nav-link:hover {
  background: var(--bg-light);
  color: var(--primary);
}
.nav-link:hover i {
  color: var(--primary);
}
.nav-link.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.35);
}
.nav-link.active i {
  color: #fff;
}

/* ===== Article Hero ===== */
.article-hero {
  background: var(--gradient-soft);
  padding: var(--space-lg) 0 var(--space-md);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.15;
  z-index: 0;
}
.article-hero::after {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: radial-gradient(circle, rgba(253, 203, 110, 0.3) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 1;
}
.article-hero .container {
  position: relative;
  z-index: 2;
}
.article-breadcrumb {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}
.article-breadcrumb a {
  color: var(--primary);
  font-weight: 500;
}
.article-breadcrumb a:hover {
  color: var(--primary-dark);
}
.article-breadcrumb .sep {
  margin: 0 10px;
  color: var(--border);
}
.article-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: var(--space-sm);
  color: var(--text-main);
  letter-spacing: 0.5px;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  margin-bottom: var(--space-sm);
}
.meta-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: var(--text-muted);
}
.meta-item i {
  color: var(--primary-light);
}

/* ===== Article Body ===== */
.article-body-section {
  padding: var(--space-lg) 0;
}
.article-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--space-md);
  align-items: start;
}
.article-main-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
  position: relative;
}
.article-main-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-hero);
  border-radius: var(--radius-card) var(--radius-card) 0 0;
}
.article-content {
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-main);
}
.article-content h2 {
  font-size: 26px;
  font-weight: 700;
  margin: var(--space-md) 0 var(--space-sm);
  padding-left: 16px;
  border-left: 4px solid var(--primary);
  color: var(--text-main);
}
.article-content h3 {
  font-size: 21px;
  font-weight: 600;
  margin: var(--space-md) 0 var(--space-sm);
  color: var(--text-main);
}
.article-content p {
  margin-bottom: var(--space-sm);
}
.article-content ul {
  margin: var(--space-sm) 0;
  padding-left: 20px;
}
.article-content ul li {
  position: relative;
  padding: 6px 0 6px 24px;
  margin-bottom: 4px;
  color: var(--text-main);
}
.article-content ul li::before {
  content: '\f058';
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 6px;
  color: var(--secondary);
  font-size: 14px;
}
.article-content ol {
  margin: var(--space-sm) 0;
  padding-left: 20px;
  counter-reset: article-list;
}
.article-content ol li {
  counter-increment: article-list;
  position: relative;
  padding: 6px 0 6px 36px;
  margin-bottom: 4px;
}
.article-content ol li::before {
  content: counter(article-list);
  position: absolute;
  left: 0;
  top: 6px;
  width: 26px;
  height: 26px;
  background: var(--bg-light);
  border: 2px solid var(--primary-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
}
.article-content blockquote {
  margin: var(--space-md) 0;
  padding: var(--space-sm) var(--space-sm) var(--space-sm) 24px;
  background: var(--bg-light);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-style: italic;
}
.article-content img {
  border-radius: var(--radius-md);
  margin: var(--space-md) 0;
  box-shadow: var(--shadow-sm);
}
.article-content a {
  color: var(--primary);
  font-weight: 600;
  border-bottom: 1px solid transparent;
}
.article-content a:hover {
  border-bottom-color: var(--primary);
}

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  position: sticky;
  top: 100px;
}
.sidebar-card {
  background: var(--bg-white);
  border-radius: var(--radius-card);
  padding: var(--space-sm);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
}
.sidebar-card.warm {
  background: linear-gradient(145deg, #fff9eb 0%, #ffffff 60%, var(--bg-light) 100%);
}
.sidebar-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-main);
}
.sidebar-title i {
  color: var(--primary);
  font-size: 18px;
}
.sidebar-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-main);
  transition: all 0.3s ease;
}
.sidebar-link i {
  color: var(--primary-light);
  font-size: 12px;
  transition: transform 0.3s ease;
}
.sidebar-link:hover {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(108, 92, 231, 0.25);
}
.sidebar-link:hover i {
  color: #fff;
  transform: translateX(2px);
}
.sidebar-tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.sidebar-tag {
  padding: 6px 14px;
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-muted);
  transition: all 0.3s ease;
}
.sidebar-tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(108, 92, 231, 0.3);
}

/* ===== Article CTA ===== */
.article-cta {
  padding: var(--space-md) 0;
}
.cta-box {
  background: var(--gradient-hero);
  border-radius: var(--radius-lg);
  padding: var(--space-lg) var(--space-md);
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.12);
  border-radius: 50%;
}
.cta-box::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: -30px;
  width: 140px;
  height: 140px;
  background: rgba(0, 0, 0, 0.08);
  border-radius: 50%;
}
.cta-title {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
  z-index: 2;
}
.cta-desc {
  font-size: 15px;
  opacity: 0.9;
  margin-bottom: 20px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
  z-index: 2;
}
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  background: #fff;
  color: var(--primary);
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
  position: relative;
  z-index: 2;
}
.cta-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
  color: var(--primary-dark);
}

/* ===== Footer ===== */
.site-footer {
  background: #1e1f3a;
  color: #a8a8c8;
  padding: var(--space-lg) 0 var(--space-sm);
  position: relative;
}
.site-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-hero);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}
.footer-brand {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.8;
}
.footer-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: #a8a8c8;
  transition: all 0.3s ease;
}
.footer-links a:hover {
  color: var(--accent);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: #6e6e96;
}
.footer-bottom a {
  color: #a8a8c8;
}
.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== Mobile Bottom Tab ===== */
.mobile-tabbar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(255, 255, 255, 0.97);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  z-index: 99;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.06);
}
.mobile-tabbar a {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 10px 4px;
  font-size: 11px;
  color: var(--text-muted);
  gap: 4px;
}
.mobile-tabbar a i {
  font-size: 18px;
}
.mobile-tabbar a.active {
  color: var(--primary);
  font-weight: 600;
}
.mobile-tabbar a.active i {
  transform: translateY(-1px);
}

/* ===== Mobile Menu Slide ===== */
.mobile-menu-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(30, 31, 58, 0.5);
  backdrop-filter: blur(4px);
  z-index: 120;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.mobile-menu-overlay.show {
  opacity: 1;
}
.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  height: 100vh;
  background: var(--bg-white);
  z-index: 130;
  transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1);
  padding: var(--space-sm);
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.mobile-drawer.open {
  right: 0;
}
.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-sm);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.drawer-header .site-logo {
  font-size: 18px;
}
.drawer-close {
  width: 36px;
  height: 36px;
  border: none;
  background: var(--bg-light);
  border-radius: 50%;
  font-size: 16px;
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.drawer-close:hover {
  background: var(--primary);
  color: #fff;
}
.drawer-link {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 500;
  color: var(--text-main);
  display: flex;
  align-items: center;
  gap: 10px;
  transition: all 0.3s ease;
  border: 1px solid transparent;
}
.drawer-link i {
  width: 20px;
  color: var(--primary);
}
.drawer-link:hover,
.drawer-link.active {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  border-color: transparent;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}
.drawer-link:hover i,
.drawer-link.active i {
  color: #fff;
}
.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  border: 1px solid var(--border);
  background: var(--bg-white);
  border-radius: var(--radius-sm);
  font-size: 16px;
  color: var(--text-main);
  cursor: pointer;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}
.menu-toggle:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* ===== Error State ===== */
.not-found-area {
  padding: var(--space-xl) 0;
  text-align: center;
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}
.not-found-card {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  max-width: 480px;
  width: 100%;
}
.not-found-icon {
  font-size: 60px;
  color: var(--primary);
  margin-bottom: var(--space-sm);
}
.not-found-title {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: var(--space-xs);
  color: var(--text-main);
}
.not-found-desc {
  color: var(--text-muted);
  margin-bottom: var(--space-sm);
}
.not-found-back {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--gradient-hero);
  color: #fff;
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: 0 4px 16px rgba(108, 92, 231, 0.3);
}
.not-found-back:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(108, 92, 231, 0.4);
  color: #fff;
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .article-title {
    font-size: 32px;
  }
  .article-grid {
    grid-template-columns: 1fr 280px;
  }
  .article-main-card {
    padding: var(--space-md);
  }
}
@media screen and (max-width: 768px) {
  .container {
    padding: 0 20px;
  }
  .article-hero {
    padding: var(--space-md) 0;
  }
  .article-title {
    font-size: 28px;
  }
  .article-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  .article-sidebar {
    position: static;
    flex-direction: row;
    flex-wrap: wrap;
    gap: var(--space-xs);
  }
  .article-sidebar .sidebar-card {
    flex: 1;
    min-width: 260px;
  }
  .article-main-card {
    padding: var(--space-sm);
  }
  .article-content {
    font-size: 15px;
  }
  .article-content h2 {
    font-size: 22px;
  }
  .article-content h3 {
    font-size: 19px;
  }
  .cta-title {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-sm);
  }
  .site-nav {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .mobile-tabbar {
    display: flex;
  }
  body {
    padding-bottom: 64px;
  }
  .site-footer {
    padding-bottom: calc(var(--space-md) + 60px);
  }
}
@media screen and (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .article-title {
    font-size: 24px;
  }
  .article-meta {
    gap: 8px;
  }
  .meta-item {
    font-size: 13px;
  }
  .article-content {
    font-size: 15px;
    line-height: 1.85;
  }
  .article-content h2 {
    font-size: 20px;
  }
  .article-content h3 {
    font-size: 18px;
  }
  .article-main-card {
    padding: 16px;
  }
  .cta-title {
    font-size: 21px;
  }
  .cta-desc {
    font-size: 14px;
  }
  .cta-btn {
    padding: 12px 24px;
    font-size: 14px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-sm);
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .site-logo {
    font-size: 19px;
  }
}

/* roulang page: category2 */
:root {
        --primary: #6C4AB6;
        --primary-light: #8B5CF6;
        --primary-dark: #4C1D95;
        --accent: #F59E0B;
        --accent-light: #FBBF24;
        --bg: #FAFAFC;
        --bg-light: #FFFFFF;
        --bg-dark: #1E1B2E;
        --text: #1F1B2E;
        --text-weak: #6B7280;
        --border: #E5E7EB;
        --radius: 16px;
        --radius-sm: 10px;
        --shadow: 0 4px 24px rgba(76, 29, 149, 0.08);
        --shadow-lg: 0 12px 40px rgba(76, 29, 149, 0.14);
        --font: -apple-system, 'PingFang SC', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }

    html {
        scroll-behavior: smooth;
    }

    body {
        margin: 0;
        padding: 0;
        font-family: var(--font);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text);
        background: var(--bg);
        -webkit-font-smoothing: antialiased;
    }

    img {
        max-width: 100%;
        height: auto;
        display: block;
    }

    a {
        text-decoration: none;
        transition: var(--transition);
    }

    button,
    input {
        font-family: var(--font);
    }

    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 0 20px;
    }

    /* ===== Header ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(229, 231, 235, 0.6);
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.04);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 70px;
        gap: 20px;
    }

    .site-logo {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 1.45rem;
        font-weight: 800;
        color: var(--primary-dark);
        letter-spacing: -0.01em;
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-light) 100%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        white-space: nowrap;
    }

    .site-logo i {
        font-size: 1.3rem;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }

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

    .nav-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: 50px;
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text);
        transition: var(--transition);
        border: 1px solid transparent;
    }

    .nav-link i {
        font-size: 0.9rem;
        opacity: 0.8;
    }

    .nav-link:hover {
        color: var(--primary);
        background: rgba(139, 92, 246, 0.08);
        transform: translateY(-1px);
    }

    .nav-link.active {
        color: var(--primary-dark);
        background: rgba(139, 92, 246, 0.12);
        border-color: rgba(139, 92, 246, 0.2);
        font-weight: 600;
    }

    .nav-link.active i {
        opacity: 1;
    }

    /* ===== Mobile Bottom Tab ===== */
    .mobile-tabbar {
        display: none;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 999;
        background: rgba(255, 255, 255, 0.97);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-top: 1px solid var(--border);
        box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.06);
    }

    .mobile-tabbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-around;
        padding: 8px 4px;
        padding-bottom: calc(8px + env(safe-area-inset-bottom));
    }

    .mobile-tab {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 3px;
        padding: 6px 10px;
        border-radius: 12px;
        font-size: 0.7rem;
        color: var(--text-weak);
        transition: var(--transition);
        min-width: 60px;
    }

    .mobile-tab i {
        font-size: 1.15rem;
        transition: var(--transition);
    }

    .mobile-tab:hover,
    .mobile-tab.active {
        color: var(--primary);
        background: rgba(139, 92, 246, 0.08);
    }

    .mobile-tab.active i {
        transform: scale(1.1);
    }

    /* ===== Page Hero / Banner ===== */
    .page-hero {
        position: relative;
        padding: 100px 0 120px;
        background: linear-gradient(135deg, rgba(76, 29, 149, 0.92) 0%, rgba(139, 92, 246, 0.82) 50%, rgba(76, 29, 149, 0.9) 100%), url('/assets/images/backpic/back-1.png');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        color: #fff;
        text-align: center;
        overflow: hidden;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        bottom: -40px;
        left: 0;
        right: 0;
        height: 80px;
        background: var(--bg);
        border-radius: 50% 50% 0 0;
        opacity: 1;
    }

    .page-hero .container {
        position: relative;
        z-index: 2;
    }

    .page-hero .hero-tag {
        display: inline-block;
        padding: 6px 20px;
        border-radius: 50px;
        background: rgba(255, 255, 255, 0.15);
        border: 1px solid rgba(255, 255, 255, 0.25);
        font-size: 0.85rem;
        font-weight: 500;
        letter-spacing: 0.05em;
        margin-bottom: 20px;
        backdrop-filter: blur(8px);
    }

    .page-hero h1 {
        font-size: clamp(2.2rem, 5vw, 3.5rem);
        font-weight: 800;
        line-height: 1.2;
        margin: 0 0 20px;
        color: #fff;
        letter-spacing: -0.02em;
        text-shadow: 0 2px 24px rgba(0, 0, 0, 0.2);
    }

    .page-hero h1 span {
        background: linear-gradient(to right, var(--accent-light), #FFD700);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .page-hero .hero-desc {
        max-width: 680px;
        margin: 0 auto 30px;
        font-size: 1.1rem;
        line-height: 1.8;
        opacity: 0.95;
    }

    .page-hero .hero-actions {
        display: flex;
        gap: 14px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: 50px;
        font-size: 1rem;
        font-weight: 600;
        transition: var(--transition);
        cursor: pointer;
        border: 2px solid transparent;
        line-height: 1.4;
    }

    .btn:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.15);
    }

    .btn:focus-visible {
        outline: 3px solid var(--accent);
        outline-offset: 2px;
    }

    .btn-primary {
        background: var(--accent);
        color: #1E1B2E;
        border-color: var(--accent);
    }

    .btn-primary:hover {
        background: var(--accent-light);
        border-color: var(--accent-light);
        color: #1E1B2E;
    }

    .btn-outline-light {
        background: transparent;
        color: #fff;
        border-color: rgba(255, 255, 255, 0.6);
    }

    .btn-outline-light:hover {
        background: rgba(255, 255, 255, 0.12);
        border-color: #fff;
        color: #fff;
    }

    .btn-outline {
        background: transparent;
        color: var(--primary);
        border-color: var(--primary);
    }

    .btn-outline:hover {
        background: rgba(139, 92, 246, 0.08);
        border-color: var(--primary-light);
        color: var(--primary-dark);
    }

    .btn-light {
        background: #fff;
        color: var(--primary-dark);
    }

    .btn-light:hover {
        background: rgba(255, 255, 255, 0.9);
        color: var(--primary-dark);
    }

    /* ===== Section Styling ===== */
    .section {
        padding: 90px 0;
    }

    .section-bg-light {
        background: var(--bg-light);
    }

    .section-bg-alt {
        background: linear-gradient(180deg, #F8F5FF 0%, #F0EBFA 100%);
    }

    .section-bg-dark {
        background: var(--bg-dark);
        color: #fff;
        position: relative;
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 16px;
        border-radius: 50px;
        background: rgba(139, 92, 246, 0.1);
        color: var(--primary);
        font-size: 0.85rem;
        font-weight: 600;
        letter-spacing: 0.03em;
        margin-bottom: 14px;
        text-transform: uppercase;
    }

    .section-title {
        font-size: clamp(1.8rem, 3.5vw, 2.5rem);
        font-weight: 800;
        color: var(--text);
        margin: 0 0 16px;
        line-height: 1.25;
        letter-spacing: -0.02em;
    }

    .section-desc {
        font-size: 1.05rem;
        color: var(--text-weak);
        max-width: 640px;
        margin: 0 0 40px;
        line-height: 1.8;
    }

    .section-header {
        text-align: center;
        margin-bottom: 50px;
    }

    .section-header .section-desc {
        margin-left: auto;
        margin-right: auto;
    }

    .section-dark .section-title {
        color: #fff;
    }

    .section-dark .section-desc {
        color: rgba(255, 255, 255, 0.75);
    }

    .section-dark .section-tag {
        background: rgba(255, 255, 255, 0.12);
        color: var(--accent-light);
    }

    /* ===== Cards ===== */
    .card-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }

    .card-grid.cols-2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .card-grid.cols-4 {
        grid-template-columns: repeat(4, 1fr);
    }

    .guide-card {
        background: var(--bg-light);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        overflow: hidden;
        transition: var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
        position: relative;
    }

    .guide-card:hover {
        transform: translateY(-8px);
        box-shadow: var(--shadow-lg);
        border-color: rgba(139, 92, 246, 0.25);
    }

    .guide-card .card-media {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 9;
        background: linear-gradient(135deg, #E0D9FF 0%, #C4B5FD 100%);
    }

    .guide-card .card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .guide-card:hover .card-media img {
        transform: scale(1.06);
    }

    .guide-card .card-body {
        padding: 28px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .guide-card .card-icon {
        width: 48px;
        height: 48px;
        border-radius: 14px;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.3rem;
        color: #fff;
        margin-bottom: 16px;
        box-shadow: 0 6px 16px rgba(76, 29, 149, 0.25);
    }

    .guide-card .card-title {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 10px;
        line-height: 1.4;
    }

    .guide-card .card-text {
        font-size: 0.95rem;
        color: var(--text-weak);
        line-height: 1.7;
        margin: 0 0 20px;
        flex: 1;
    }

    .guide-card .card-link {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 600;
        color: var(--primary);
        font-size: 0.92rem;
        transition: var(--transition);
    }

    .guide-card .card-link:hover {
        gap: 12px;
        color: var(--primary-dark);
    }

    .guide-card .card-badge {
        position: absolute;
        top: 16px;
        left: 16px;
        padding: 5px 14px;
        border-radius: 50px;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(8px);
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--primary-dark);
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        z-index: 2;
    }

    /* ===== Stats ===== */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
    }

    .stat-item {
        text-align: center;
        padding: 36px 20px;
        border-radius: var(--radius);
        background: var(--bg-light);
        border: 1px solid var(--border);
        transition: var(--transition);
    }

    .stat-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow);
    }

    .stat-number {
        font-size: 2.4rem;
        font-weight: 800;
        background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        line-height: 1.2;
    }

    .stat-label {
        font-size: 0.9rem;
        color: var(--text-weak);
        margin-top: 8px;
    }

    /* ===== Steps / Timeline ===== */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 20px;
        position: relative;
    }

    .step-item {
        text-align: center;
        padding: 30px 18px;
        background: var(--bg-light);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        position: relative;
        transition: var(--transition);
    }

    .step-item:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow);
    }

    .step-number {
        width: 44px;
        height: 44px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
        color: #fff;
        font-weight: 700;
        font-size: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 16px;
        box-shadow: 0 6px 16px rgba(76, 29, 149, 0.3);
    }

    .step-title {
        font-weight: 700;
        font-size: 1rem;
        color: var(--text);
        margin-bottom: 8px;
    }

    .step-desc {
        font-size: 0.85rem;
        color: var(--text-weak);
        line-height: 1.6;
    }

    /* ===== Feature Block ===== */
    .feature-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 60px;
        align-items: center;
    }

    .feature-media {
        border-radius: var(--radius);
        overflow: hidden;
        box-shadow: var(--shadow-lg);
        position: relative;
    }

    .feature-media img {
        width: 100%;
        height: auto;
        display: block;
        min-height: 320px;
        object-fit: cover;
    }

    .feature-content .feature-list {
        list-style: none;
        padding: 0;
        margin: 24px 0 0;
    }

    .feature-list li {
        display: flex;
        align-items: flex-start;
        gap: 12px;
        padding: 12px 0;
        border-bottom: 1px solid rgba(229, 231, 235, 0.6);
    }

    .feature-list li:last-child {
        border-bottom: none;
    }

    .feature-list li i {
        color: var(--primary);
        font-size: 1.1rem;
        margin-top: 3px;
        flex-shrink: 0;
    }

    .feature-list li span {
        font-size: 0.98rem;
        color: var(--text);
        line-height: 1.7;
    }

    /* ===== News / Posts ===== */
    .post-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .post-card {
        background: var(--bg-light);
        border-radius: var(--radius);
        border: 1px solid var(--border);
        overflow: hidden;
        transition: var(--transition);
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .post-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }

    .post-card .post-media {
        aspect-ratio: 16 / 10;
        overflow: hidden;
        background: #E0D9FF;
    }

    .post-card .post-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.5s ease;
    }

    .post-card:hover .post-media img {
        transform: scale(1.05);
    }

    .post-card .post-body {
        padding: 22px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .post-meta {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.78rem;
        color: var(--text-weak);
        margin-bottom: 10px;
    }

    .post-meta i {
        color: var(--primary-light);
    }

    .post-card .post-title {
        font-size: 1.08rem;
        font-weight: 700;
        color: var(--text);
        margin: 0 0 12px;
        line-height: 1.45;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }

    .faq-item {
        background: var(--bg-light);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        margin-bottom: 16px;
        overflow: hidden;
        transition: var(--transition);
    }

    .faq-item:hover {
        border-color: rgba(139, 92, 246, 0.3);
        box-shadow: var(--shadow);
    }

    .faq-item input {
        position: absolute;
        opacity: 0;
        pointer-events: none;
    }

    .faq-item label {
        display: flex;
        align-items: center;
        gap: 14px;
        padding: 20px 24px;
        cursor: pointer;
        font-size: 1.05rem;
        font-weight: 600;
        color: var(--text);
        transition: var(--transition);
        margin-bottom: 0;
    }

    .faq-item label i {
        color: var(--primary);
        transition: transform 0.3s ease;
        flex-shrink: 0;
    }

    .faq-item label:hover {
        color: var(--primary);
        background: rgba(139, 92, 246, 0.02);
    }

    .faq-item .faq-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease;
    }

    .faq-item .faq-content-inner {
        padding: 0 24px 24px;
        color: var(--text-weak);
        font-size: 0.96rem;
        line-height: 1.8;
    }

    .faq-item input:checked~.faq-content {
        max-height: 300px;
    }

    .faq-item input:checked~label {
        color: var(--primary);
    }

    .faq-item input:checked~label i {
        transform: rotate(45deg);
    }

    /* ===== CTA ===== */
    .cta-section {
        padding: 80px 0;
        background: linear-gradient(135deg, rgba(76, 29, 149, 0.95), rgba(139, 92, 246, 0.88)), url('/assets/images/backpic/back-2.png');
        background-size: cover;
        background-position: center;
        background-attachment: fixed;
        color: #fff;
        position: relative;
    }

    .cta-inner {
        text-align: center;
        max-width: 700px;
        margin: 0 auto;
    }

    .cta-inner h2 {
        font-size: clamp(1.8rem, 4vw, 2.5rem);
        font-weight: 800;
        margin: 0 0 20px;
        color: #fff;
    }

    .cta-inner p {
        font-size: 1.1rem;
        opacity: 0.9;
        margin-bottom: 32px;
        line-height: 1.8;
    }

    .cta-actions {
        display: flex;
        gap: 16px;
        justify-content: center;
        flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: #1E1B2E;
        color: rgba(255, 255, 255, 0.7);
        padding: 70px 0 30px;
        position: relative;
    }

    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 50px;
        margin-bottom: 50px;
    }

    .footer-brand {
        font-size: 1.4rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
        background: linear-gradient(135deg, var(--accent-light), #FFD700);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        display: inline-block;
    }

    .footer-desc {
        font-size: 0.92rem;
        line-height: 1.8;
        color: rgba(255, 255, 255, 0.6);
        max-width: 360px;
        margin-bottom: 0;
    }

    .footer-title {
        font-size: 1rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }

    .footer-links a {
        color: rgba(255, 255, 255, 0.6);
        font-size: 0.9rem;
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }

    .footer-links a:hover {
        color: var(--accent-light);
        transform: translateX(4px);
    }

    .footer-links a i {
        font-size: 0.7rem;
    }

    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        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, 0.45);
    }

    .footer-bottom a {
        color: rgba(255, 255, 255, 0.55);
    }

    .footer-bottom a:hover {
        color: var(--accent-light);
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .card-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .post-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }

        .steps-grid {
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
    }

    @media (max-width: 768px) {
        .container {
            padding: 0 16px;
        }

        .site-header {
            position: relative;
        }

        .site-nav {
            display: none;
        }

        .mobile-tabbar {
            display: block;
        }

        body {
            padding-bottom: 70px;
        }

        .page-hero {
            padding: 70px 0 90px;
        }

        .page-hero h1 {
            font-size: 2.2rem;
        }

        .hero-desc {
            font-size: 1rem;
        }

        .section {
            padding: 60px 0;
        }

        .card-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }

        .post-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }

        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .stat-number {
            font-size: 1.8rem;
        }

        .steps-grid {
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        .feature-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }

        .feature-media img {
            min-height: 240px;
        }

        .cta-section {
            padding: 60px 0;
        }

        .cta-actions {
            flex-direction: column;
            align-items: center;
        }

        .footer-grid {
            grid-template-columns: 1fr;
            gap: 28px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }

    @media (max-width: 520px) {
        .card-grid.cols-4 {
            grid-template-columns: 1fr;
        }

        .steps-grid {
            grid-template-columns: 1fr;
        }

        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .stat-item {
            padding: 24px 12px;
        }

        .page-hero .hero-actions {
            flex-direction: column;
            align-items: center;
        }

        .page-hero .btn {
            min-width: 200px;
            justify-content: center;
        }

        .footer-bottom span {
            font-size: 0.75rem;
        }
    }

/* roulang page: category1 */
:root{
  --primary:#0f4c81;
  --primary-dark:#0a3a63;
  --primary-light:#e8f1fa;
  --accent:#f5a623;
  --accent-light:#fef4e0;
  --bg:#f4f7fb;
  --surface:#ffffff;
  --text:#1e293b;
  --text-light:#64748b;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 10px 30px rgba(15,76,129,0.08);
  --shadow-hover:0 18px 40px rgba(15,76,129,0.16);
  --transition:all 0.3s ease;
  --container:1200px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 0%,rgba(15,76,129,0.06),transparent),
    radial-gradient(ellipse 60% 50% at 100% 100%,rgba(245,166,35,0.05),transparent);
  pointer-events:none;
  z-index:-1;
}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer}
.container{max-width:var(--container);margin:0 auto;padding:0 24px}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:16px;
}
.site-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;color:var(--primary);
  white-space:nowrap;
}
.site-logo i{color:var(--accent);font-size:24px}
.site-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:30px;
  color:var(--text-light);font-weight:500;font-size:14.5px;
  transition:var(--transition);
}
.nav-link:hover{color:var(--primary);background:var(--primary-light)}
.nav-link:focus-visible{
  outline:3px solid rgba(15,76,129,0.25);outline-offset:2px;
}
.nav-link.active{
  background:var(--primary);color:#fff;
  box-shadow:0 6px 18px rgba(15,76,129,0.28);
}
.nav-link.active:hover{
  background:var(--primary-dark);color:#fff;
}

/* 移动端底部Tab */
.bottom-tabbar{
  display:none;position:fixed;bottom:0;left:0;right:0;z-index:200;
  background:rgba(255,255,255,0.97);
  backdrop-filter:blur(12px);
  border-top:1px solid var(--border);
  padding:8px 8px max(8px,env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px rgba(0,0,0,0.06);
}
.tab-list{display:flex;align-items:center;justify-content:space-around;max-width:480px;margin:0 auto}
.tab-item{
  display:flex;flex-direction:column;align-items:center;gap:2px;
  padding:6px 14px;border-radius:14px;
  color:var(--text-light);font-size:12px;font-weight:500;
  transition:var(--transition);min-width:72px;text-align:center;
}
.tab-item i{font-size:19px;transition:var(--transition)}
.tab-item:hover{color:var(--primary);background:var(--primary-light)}
.tab-item.active{color:var(--primary)}
.tab-item.active i{transform:translateY(-1px)}
.tab-item span{line-height:1.2}

/* Hero */
.page-hero{
  position:relative;
  padding:130px 0 120px;
  background:linear-gradient(135deg,rgba(10,58,99,0.92) 0%,rgba(15,76,129,0.78) 50%,rgba(31,100,160,0.62) 100%),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;text-align:center;overflow:hidden;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,0.16);
  border:1px solid rgba(255,255,255,0.25);
  padding:7px 18px;border-radius:30px;
  font-size:13px;font-weight:600;letter-spacing:0.5px;
  backdrop-filter:blur(6px);
  margin-bottom:22px;color:#fff;
}
.hero-badge i{color:var(--accent)}
.page-hero h1{
  font-size:48px;font-weight:800;line-height:1.2;margin:0 0 16px;
  letter-spacing:-0.5px;
}
.hero-sub{
  font-size:18px;line-height:1.8;max-width:640px;margin:0 auto 32px;
  color:rgba(255,255,255,0.92);
}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin-bottom:34px}
.hero-meta{
  display:inline-flex;gap:8px;flex-wrap:wrap;justify-content:center;
  background:rgba(0,0,0,0.18);
  border:1px solid rgba(255,255,255,0.2);
  border-radius:30px;padding:10px 22px;
  font-size:13.5px;color:rgba(255,255,255,0.9);
  backdrop-filter:blur(4px);
}
.hero-meta span{display:inline-flex;align-items:center;gap:7px}
.hero-meta i{color:var(--accent)}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 30px;border-radius:40px;
  font-size:15px;font-weight:600;line-height:1.4;border:none;
  transition:var(--transition);text-decoration:none;cursor:pointer;
}
.btn:focus-visible{outline:3px solid rgba(15,76,129,0.3);outline-offset:3px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(15,76,129,0.3)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 28px rgba(15,76,129,0.36)}
.btn-accent{background:var(--accent);color:#1e2a3a;box-shadow:0 8px 22px rgba(245,166,35,0.3)}
.btn-accent:hover{background:#e69a12;color:#1e2a3a;transform:translateY(-2px);box-shadow:0 12px 28px rgba(245,166,35,0.36)}
.btn-ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,0.55)}
.btn-ghost:hover{background:rgba(255,255,255,0.12);color:#fff;transform:translateY(-2px);border-color:#fff}

/* 板块 */
.section{padding:90px 0}
.section-alt{background:var(--surface);border-block:1px solid var(--border)}
.section-tag{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 16px;background:var(--primary-light);
  color:var(--primary);border-radius:30px;
  font-size:13px;font-weight:700;letter-spacing:0.5px;
  margin-bottom:14px;
}
.section-tag i{font-size:13px}
.section-header{margin-bottom:50px}
.section-header.center{text-align:center}
.section-header h2{
  font-size:34px;font-weight:800;line-height:1.3;
  color:var(--text);margin:0 0 12px;letter-spacing:-0.3px;
}
.section-header p{
  color:var(--text-light);font-size:16px;line-height:1.8;
  max-width:600px;margin:0;
}
.section-header.center p{margin-left:auto;margin-right:auto}
.section-header .link-more{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--primary);font-weight:600;font-size:14.5px;
  padding:8px 16px;border-radius:30px;background:var(--primary-light);
  transition:var(--transition);
}
.section-header .link-more:hover{background:var(--primary);color:#fff;transform:translateX(4px)}
.section-header.flex-between{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* 简介区 */
.intro-image{
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);position:relative;
}
.intro-image::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 55%,rgba(10,58,99,0.35));
  border-radius:var(--radius);pointer-events:none;
}
.intro-image img{width:100%;height:420px;object-fit:cover}
.intro-section .cell.large-5{padding-right:30px}
.feature-list{list-style:none;margin:20px 0 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.feature-list li{
  display:flex;align-items:center;gap:11px;
  padding:13px 16px;background:var(--bg);
  border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:14.5px;font-weight:500;color:var(--text);
  transition:var(--transition);
}
.feature-list li:hover{border-color:var(--primary);background:var(--primary-light);transform:translateY(-2px)}
.feature-list i{color:var(--primary);font-size:17px;flex-shrink:0}

/* 指南分类卡片 */
.guide-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:32px 26px 28px;
  height:100%;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.guide-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0;transition:var(--transition);
}
.guide-card:hover{
  transform:translateY(-8px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(15,76,129,0.2);
}
.guide-card:hover::before{opacity:1}
.guide-card-wrap{margin-bottom:24px}
.guide-card .card-icon{
  width:62px;height:62px;border-radius:18px;
  display:flex;align-items:center;justify-content:center;
  background:var(--primary-light);color:var(--primary);
  font-size:25px;margin-bottom:20px;transition:var(--transition);
}
.guide-card:hover .card-icon{
  background:var(--primary);color:#fff;transform:scale(1.05) rotate(-4deg);
}
.guide-card h3{font-size:19px;font-weight:700;margin-bottom:10px;color:var(--text)}
.guide-card p{font-size:14px;line-height:1.8;color:var(--text-light);margin-bottom:16px}
.badge{
  display:inline-flex;align-items:center;padding:4px 14px;
  background:var(--accent-light);color:#b57408;
  border-radius:20px;font-size:12.5px;font-weight:600;
}

/* 流程步骤 */
.steps-section{
  background:
    radial-gradient(ellipse 60% 50% at 90% 10%,rgba(15,76,129,0.08),transparent),
    linear-gradient(180deg,#f4f7fb,#fff);
}
.steps-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:26px;
  counter-reset:step;
}
.step-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:34px 26px;
  position:relative;transition:var(--transition);
  text-align:left;
}
.step-item:hover{transform:translateY(-6px);box-shadow:var(--shadow)}
.step-num{
  font-size:42px;font-weight:800;color:var(--primary-light);
  line-height:1;margin-bottom:18px;
  font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--text)}
.step-item p{font-size:14px;color:var(--text-light);line-height:1.75;margin:0}
.step-item::after{
  content:"";position:absolute;top:36px;right:-14px;
  width:28px;height:28px;
  background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23b9c7d9' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M9 18l6-6-6-6'/%3E%3C/svg%3E") center/contain no-repeat;
  opacity:0.6;
}
.step-item:last-child::after{display:none}

/* 内容文章卡片 */
.articles-section{background:var(--surface)}
.article-card{
  display:flex;gap:20px;align-items:stretch;
  background:var(--bg);border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;
  transition:var(--transition);height:100%;
  padding:16px;
}
.article-card:hover{
  box-shadow:var(--shadow-hover);transform:translateY(-4px);
  border-color:rgba(15,76,129,0.2);
}
.article-thumb{
  width:200px;min-width:200px;border-radius:12px;overflow:hidden;
  background:var(--primary-light);
}
.article-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.article-card:hover .article-thumb img{transform:scale(1.05)}
.article-body{padding:8px 8px 8px 2px;display:flex;flex-direction:column;gap:8px}
.article-body h3{font-size:18px;font-weight:700;color:var(--text);line-height:1.45;margin:0}
.article-body p{font-size:14px;color:var(--text-light);line-height:1.75;margin:0;flex:1}
.article-meta{
  display:flex;gap:18px;font-size:12.5px;color:var(--text-light);
  flex-wrap:wrap;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--primary)}

/* 数据统计 */
.stats-section{
  background:linear-gradient(135deg,var(--primary-dark),var(--primary));
  color:#fff;position:relative;overflow:hidden;
}
.stats-section::before{
  content:"";position:absolute;right:-160px;top:-160px;
  width:380px;height:380px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.14);
}
.stats-section::after{
  content:"";position:absolute;left:-80px;bottom:-100px;
  width:240px;height:240px;border-radius:50%;
  background:rgba(255,255,255,0.05);
}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:30px;
  position:relative;z-index:2;
}
.stat-item{text-align:center;padding:20px 10px}
.stat-num{
  font-size:44px;font-weight:800;line-height:1.2;
  margin-bottom:8px;letter-spacing:-1px;
  font-variant-numeric:tabular-nums;
}
.stat-label{font-size:15px;color:rgba(255,255,255,0.8);letter-spacing:0.5px}
.stat-icon{font-size:24px;margin-bottom:10px;color:var(--accent)}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{max-width:850px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius);margin-bottom:14px;
  overflow:hidden;transition:var(--transition);
}
.faq-item.open{border-color:var(--primary);box-shadow:0 10px 30px rgba(15,76,129,0.1)}
.faq-question{
  width:100%;display:flex;align-items:center;justify-content:space-between;
  gap:18px;padding:20px 26px;background:transparent;border:none;
  font-size:16px;font-weight:600;color:var(--text);
  text-align:left;transition:var(--transition);
}
.faq-question:hover{color:var(--primary)}
.faq-question i{color:var(--primary);transition:transform 0.3s ease;flex-shrink:0}
.faq-item.open .faq-question i{transform:rotate(180deg)}
.faq-answer{
  max-height:0;overflow:hidden;
  transition:max-height 0.35s ease;
  background:var(--bg);
}
.faq-answer-inner{
  padding:0 26px 22px;font-size:14.5px;color:var(--text-light);line-height:1.85;
}

/* CTA */
.cta-section{background:var(--surface)}
.cta-box{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,var(--primary-dark),var(--primary) 60%,#1a6a9a);
  border-radius:24px;padding:60px 50px;text-align:center;
  color:#fff;box-shadow:0 24px 60px rgba(15,76,129,0.25);
}
.cta-box::before{
  content:"";position:absolute;top:-60px;right:-60px;
  width:220px;height:220px;border-radius:50%;
  background:rgba(245,166,35,0.12);
}
.cta-box::after{
  content:"";position:absolute;bottom:-80px;left:-40px;
  width:260px;height:260px;border-radius:50%;
  border:1px solid rgba(255,255,255,0.1);
}
.cta-box h2{font-size:32px;font-weight:800;margin-bottom:14px;position:relative;z-index:2}
.cta-box p{font-size:16px;color:rgba(255,255,255,0.88);max-width:520px;margin:0 auto 30px;position:relative;z-index:2;line-height:1.8}
.cta-box .btn{position:relative;z-index:2}

/* 页脚 */
.site-footer{
  background:#0d1b2a;color:#94a3b8;
  padding:70px 0 110px;
}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:50px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-brand{
  font-size:24px;font-weight:800;color:#fff;margin-bottom:16px;
  display:flex;align-items:center;gap:10px;
}
.footer-brand i{color:var(--accent)}
.footer-desc{font-size:14px;line-height:1.9;max-width:380px;color:#8fa3b8}
.footer-title{
  font-size:16px;font-weight:600;color:#fff;margin-bottom:20px;
}
.footer-links{display:flex;flex-direction:column;gap:13px}
.footer-links a{
  color:#8fa3b8;text-decoration:none;font-size:14px;
  display:inline-flex;align-items:center;gap:8px;transition:var(--transition);
}
.footer-links a i{font-size:12px;color:var(--accent);opacity:0.7}
.footer-links a:hover{color:#fff;transform:translateX(4px)}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;
  padding-top:30px;font-size:13px;flex-wrap:wrap;
  color:#6b7f94;
}
.footer-bottom a{color:#8fa3b8;text-decoration:none;transition:color 0.3s}
.footer-bottom a:hover{color:#fff}

/* 响应式 */
@media (max-width:1024px){
  .page-hero{padding:100px 0 90px}
  .page-hero h1{font-size:38px}
  .section{padding:72px 0}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px}
  .steps-grid{grid-template-columns:repeat(2,1fr);gap:22px}
  .step-item::after{display:none}
  .feature-list{grid-template-columns:1fr}
}
@media (max-width:767px){
  .site-header{height:auto}
  .header-inner{height:58px;justify-content:center}
  .site-nav{display:none}
  .bottom-tabbar{display:block}
  body{padding-bottom:68px}
  .page-hero{padding:72px 0 64px}
  .page-hero h1{font-size:30px}
  .hero-sub{font-size:15px;margin-bottom:24px}
  .hero-actions{gap:10px;margin-bottom:24px}
  .hero-meta{flex-direction:column;gap:6px;padding:12px 18px;border-radius:20px}
  .hero-meta span{justify-content:center}
  .section{padding:56px 0}
  .section-header{margin-bottom:34px}
  .section-header h2{font-size:25px}
  .section-header.flex-between{flex-direction:column;align-items:flex-start;gap:14px}
  .intro-image img{height:240px}
  .intro-section .cell.large-5{padding-right:0;margin-bottom:24px}
  .guide-card{padding:24px 20px}
  .steps-grid{grid-template-columns:1fr;gap:16px}
  .article-card{flex-direction:column;padding:14px}
  .article-thumb{width:100%;min-width:0;height:200px}
  .article-body{padding:8px 4px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .stat-num{font-size:34px}
  .cta-box{padding:42px 24px}
  .cta-box h2{font-size:26px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column;text-align:center}
  .site-footer{padding:50px 0 100px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .btn{padding:11px 22px;font-size:14px}
  .hero-badge{font-size:12px;padding:6px 14px}
  .page-hero h1{font-size:26px}
  .section-header h2{font-size:22px}
  .guide-card h3{font-size:17px}
  .article-meta{gap:12px;font-size:12px}
  .stat-num{font-size:28px}
  .footer-brand{font-size:20px}
}