/* roulang page: index */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Segoe UI",Roboto,sans-serif;background:#f6f7fb;color:#161a27;line-height:1.7;font-size:16px}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
ul,ol{list-style:none}
button,input{font-family:inherit;font-size:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid rgba(212,175,55,.6);outline-offset:2px;border-radius:4px}

/* 设计变量 */
:root{
  --primary:#16245c;
  --primary-light:#2b3f8a;
  --accent:#d4af37;
  --accent-hover:#b8942c;
  --accent-light:#f5e9c8;
  --bg:#f6f7fb;
  --bg-dark:#0e1428;
  --white:#ffffff;
  --text:#161a27;
  --text-muted:#6b7280;
  --border:#e4e7ef;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 12px rgba(0,0,0,.06);
  --shadow-lg:0 12px 40px rgba(0,0,0,.12);
  --gap:80px;
}

/* 头部导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.logo{font-size:24px;font-weight:800;color:var(--primary);letter-spacing:.5px;display:flex;align-items:center;gap:8px}
.logo span{color:var(--accent);font-weight:700}
.logo-mark{width:36px;height:36px;background:linear-gradient(135deg,var(--primary),var(--primary-light));border-radius:10px;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:18px;font-weight:800}
.main-nav{display:flex;gap:4px}
.nav-link{padding:10px 20px;border-radius:999px;font-weight:500;color:#3a4152;transition:all .25s;font-size:15px}
.nav-link:hover{background:#f0f2fa;color:var(--primary)}
.nav-link.active{background:var(--primary);color:#fff;box-shadow:0 4px 16px rgba(22,36,92,.25)}
.nav-link.active:hover{color:#fff}
.header-cta{display:flex;align-items:center;gap:14px}
.btn{padding:12px 28px;border-radius:999px;font-weight:600;transition:all .3s;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:6px}
.btn-primary{background:linear-gradient(135deg,var(--accent),#e0c156);color:#161a27;box-shadow:0 4px 16px rgba(212,175,55,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(212,175,55,.45)}
.btn-outline{border:2px solid rgba(255,255,255,.6);color:#fff;background:transparent}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-dark{background:var(--primary);color:#fff}
.btn-dark:hover{background:var(--primary-light);transform:translateY(-2px)}
.menu-toggle{display:none;background:none;border:none;font-size:28px;cursor:pointer;color:var(--primary)}

/* Hero 首屏 */
.hero{
  position:relative;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding:120px 0 100px;color:#fff;overflow:hidden;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(105deg,rgba(14,20,40,.94) 35%,rgba(14,20,40,.65) 70%,rgba(14,20,40,.4))}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.3fr .8fr;gap:60px;align-items:center}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);border-radius:999px;padding:8px 18px;font-size:13px;letter-spacing:1px;margin-bottom:24px;backdrop-filter:blur(6px)}
.hero-badge i{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.hero h1{font-size:52px;line-height:1.2;font-weight:800;margin-bottom:20px;letter-spacing:1px}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{font-size:18px;color:rgba(255,255,255,.85);max-width:560px;margin-bottom:36px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap}
.hero-note{margin-top:32px;display:flex;gap:24px;flex-wrap:wrap}
.hero-note-item{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.75)}
.hero-note-item i{color:var(--accent)}
/* 倒计时卡片 */
.countdown-box{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);border-radius:var(--radius-lg);padding:36px 32px;backdrop-filter:blur(16px)}
.countdown-title{font-size:14px;letter-spacing:2px;color:rgba(255,255,255,.8);text-align:center;margin-bottom:20px}
.countdown-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.count-brick{background:rgba(0,0,0,.3);border-radius:var(--radius-sm);padding:16px 8px;text-align:center;border:1px solid rgba(255,255,255,.15)}
.count-num{font-size:32px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums}
.count-label{font-size:12px;color:rgba(255,255,255,.7);margin-top:4px}
.countdown-upcoming{margin-top:20px;padding-top:16px;border-top:1px dashed rgba(255,255,255,.25);font-size:13px;color:rgba(255,255,255,.7);text-align:center}

/* 板块通用 */
.section{padding:90px 0}
.section-head{max-width:720px;margin-bottom:52px}
.section-tag{display:inline-block;background:var(--accent-light);color:#7a6216;font-size:13px;font-weight:600;border-radius:999px;padding:6px 14px;letter-spacing:1px;margin-bottom:10px}
.section-title{font-size:36px;line-height:1.3;color:var(--text);font-weight:800;margin-bottom:12px}
.section-desc{color:var(--text-muted);font-size:16px;line-height:1.8}
.center{text-align:center;margin-left:auto;margin-right:auto}

/* 核心特色卡片 */
.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.feature-card{background:var(--white);border-radius:var(--radius-md);padding:36px 28px;box-shadow:var(--shadow-sm);transition:all .3s;border:1px solid transparent}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--accent)}
.feature-icon{width:56px;height:56px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:18px}
.feature-card:nth-child(2) .feature-icon{background:linear-gradient(135deg,var(--accent),#e8c96a);color:#161a27}
.feature-card:nth-child(3) .feature-icon{background:linear-gradient(135deg,#1a6b5a,#239a7a)}
.feature-card:nth-child(4) .feature-icon{background:linear-gradient(135deg,#865a26,#a97832)}
.feature-card h3{font-size:19px;font-weight:700;margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7}

/* 分类入口 */
.cate-section{background:var(--bg-dark);color:#fff;position:relative}
.cate-section::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;opacity:.12}
.cate-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;position:relative;z-index:2}
.cate-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--radius-lg);padding:36px;transition:all .35s;backdrop-filter:blur(8px);display:flex;flex-direction:column;gap:16px}
.cate-card:hover{background:rgba(255,255,255,.12);transform:translateY(-6px);border-color:var(--accent)}
.cate-card .cate-img{border-radius:var(--radius-md);overflow:hidden;height:200px}
.cate-card .cate-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.cate-card:hover .cate-img img{transform:scale(1.05)}
.cate-card .cate-label{font-size:14px;color:var(--accent);font-weight:600;letter-spacing:1px}
.cate-card h3{font-size:26px;font-weight:700}
.cate-card p{color:rgba(255,255,255,.75);font-size:15px;line-height:1.7}
.cate-link{display:inline-flex;align-items:center;gap:6px;color:var(--accent);font-weight:600;margin-top:8px}
.cate-link:hover{gap:12px}
.cate-link::after{content:"→";font-size:18px}

/* 数据统计 */
.stats-section{background:linear-gradient(135deg,var(--primary),var(--primary-light));color:#fff;padding:70px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}
.stat-item{text-align:center;padding:20px}
.stat-num{font-size:48px;font-weight:800;color:var(--accent);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-label{font-size:14px;color:rgba(255,255,255,.8);margin-top:8px}

/* 资讯列表 */
.news-section{background:var(--bg)}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{background:var(--white);border-radius:var(--radius-md);padding:28px;box-shadow:var(--shadow-sm);transition:all .3s;border:1px solid var(--border);display:flex;flex-direction:column;gap:10px}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--accent)}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--text-muted)}
.news-cat{background:var(--accent-light);color:#7a6216;padding:4px 12px;border-radius:999px;font-weight:600;font-size:12px}
.news-time{display:flex;align-items:center;gap:4px}
.news-card h3{font-size:18px;font-weight:700;line-height:1.5}
.news-card p{font-size:14px;color:var(--text-muted);line-height:1.7;flex:1}
.news-more{display:inline-flex;align-items:center;gap:4px;color:var(--primary);font-size:14px;font-weight:600}

/* 服务流程 */
.process-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;position:relative}
.process-grid::before{content:"";position:absolute;top:48px;left:8%;right:8%;height:2px;background:linear-gradient(90deg,var(--accent),var(--border));z-index:0}
.process-item{text-align:center;position:relative;z-index:1}
.process-num{width:64px;height:64px;border-radius:50%;background:var(--white);border:3px solid var(--accent);color:var(--primary);font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;margin:0 auto 16px;box-shadow:0 4px 16px rgba(212,175,55,.3)}
.process-item h3{font-size:18px;margin-bottom:8px}
.process-item p{font-size:14px;color:var(--text-muted);line-height:1.6;max-width:220px;margin:0 auto}

/* 图文区块 */
.showcase-section{background:var(--white)}
.showcase-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.showcase-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.showcase-media img{width:100%;height:420px;object-fit:cover}
.showcase-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(14,20,40,.5),transparent)}
.showcase-content h2{font-size:30px;font-weight:800;margin-bottom:16px}
.showcase-content p{color:var(--text-muted);line-height:1.8;margin-bottom:16px}
.showcase-list{margin-top:20px}
.showcase-list li{display:flex;align-items:flex-start;gap:12px;padding:10px 0;border-bottom:1px solid var(--border)}
.showcase-list li:last-child{border-bottom:none}
.showcase-list li i{color:var(--accent);font-size:18px;flex-shrink:0;margin-top:3px}
.showcase-list li span{font-size:15px;color:#3a4152}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-list{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:all .3s}
.faq-item:hover{border-color:var(--accent)}
.faq-item summary{cursor:pointer;padding:22px 28px;font-weight:600;font-size:16px;list-style:none;position:relative;padding-right:52px;transition:background .3s}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:24px;top:18px;font-size:28px;font-weight:400;color:var(--accent);transition:transform .3s}
.faq-item[open] summary{background:#fafafd}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item .faq-body{padding:0 28px 22px;color:var(--text-muted);font-size:15px;line-height:1.8}

/* CTA 区块 */
.cta-section{position:relative;background:url('/assets/images/backpic/back-2.png') center/cover fixed;padding:110px 0;text-align:center;color:#fff}
.cta-section::before{content:"";position:absolute;inset:0;background:rgba(14,20,40,.75)}
.cta-inner{position:relative;z-index:2;max-width:680px;margin:0 auto}
.cta-inner h2{font-size:38px;font-weight:800;margin-bottom:16px}
.cta-inner p{font-size:17px;color:rgba(255,255,255,.85);margin-bottom:36px}
.cta-btns{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* 页脚 */
.site-footer{background:var(--bg-dark);color:rgba(255,255,255,.8);padding:70px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-logo{font-size:24px;font-weight:800;color:#fff;display:inline-block;margin-bottom:16px}
.footer-logo span{color:var(--accent)}
.footer-brand p{font-size:14px;line-height:1.8;max-width:280px;color:rgba(255,255,255,.6)}
.footer-col h4{font-size:16px;color:#fff;margin-bottom:18px;font-weight:600}
.footer-col a{display:block;font-size:14px;color:rgba(255,255,255,.6);padding:6px 0;transition:all .25s}
.footer-col a:hover{color:var(--accent);padding-left:6px}
.footer-contact p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.6)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.4)}
.footer-bottom span{font-size:13px}

/* 响应式 */
@media(max-width:1024px){
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:40px}
  .features-grid{grid-template-columns:repeat(2,1fr)}
  .cate-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:repeat(2,1fr);gap:40px 20px}
  .process-grid::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .section{padding:60px 0}
  .menu-toggle{display:block}
  .main-nav{
    position:fixed;top:72px;left:0;right:0;background:var(--white);flex-direction:column;
    padding:20px;gap:8px;box-shadow:var(--shadow-lg);display:none;border-bottom:1px solid var(--border);
  }
  .main-nav.open{display:flex}
  .nav-link{padding:14px 20px;border-radius:var(--radius-sm);text-align:center}
  .header-cta .btn{display:none}
  .hero{padding:70px 0}
  .hero h1{font-size:32px}
  .hero-sub{font-size:16px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .showcase-grid{grid-template-columns:1fr}
  .showcase-media img{height:280px}
  .section-title{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .countdown-grid{grid-template-columns:repeat(4,1fr)}
}
@media(max-width:520px){
  .features-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:28px}
  .hero-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;gap:10px;text-align:center}
  .countdown-num{font-size:22px}
}

/* roulang page: category1 */
:root {
  --primary: #0f1b2d;
  --primary-light: #182942;
  --accent: #c9a86a;
  --accent-light: #e3c98b;
  --cyan: #4ec9e8;
  --white: #ffffff;
  --bg: #f5f3ef;
  --text: #1b2432;
  --text-soft: #5c6b7f;
  --border: rgba(15, 27, 45, 0.1);
  --border-light: rgba(255, 255, 255, 0.16);
  --radius: 16px;
  --radius-lg: 28px;
  --shadow: 0 14px 44px rgba(15, 27, 45, 0.08);
  --shadow-lg: 0 24px 64px rgba(15, 27, 45, 0.16);
  --ring: rgba(201, 168, 106, 0.35);
  --space: 96px;
}
*, *::before, *::after { 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);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input { font-family: inherit; }
.container { width: min(1200px, 92%); margin-inline: auto; }
.section { padding: var(--space) 0; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 27, 45, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-light);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
  gap: 24px;
}
.brand-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.brand-logo span { color: var(--accent); font-weight: 600; }
.main-nav { display: flex; align-items: center; gap: 8px; }
.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all 0.25s ease;
}
.nav-link:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-link.active { color: var(--primary); background: var(--accent); font-weight: 700; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 0;
  cursor: pointer;
  font-weight: 600;
  transition: all 0.3s ease;
  border-radius: 999px;
  text-decoration: none;
}
.btn-sm { height: 42px; padding: 0 22px; font-size: 0.9rem; }
.btn-primary { background: var(--accent); color: var(--primary); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 8px 24px var(--ring); }
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border-light);
  color: #fff;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  font-size: 1.1rem;
  cursor: pointer;
}

/* Hero */
.page-hero {
  position: relative;
  min-height: 600px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(135deg, rgba(11, 19, 34, 0.92) 0%, rgba(21, 34, 55, 0.78) 55%, rgba(11, 19, 34, 0.88) 100%),
    url('/assets/images/backpic/back-1.png') center / cover;
  color: #fff;
  text-align: center;
  padding: 90px 0;
  overflow: hidden;
}
.page-hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
}
.hero-breadcrumb {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 1px;
  margin-bottom: 18px;
}
.hero-breadcrumb i { font-size: 0.7rem; color: var(--accent); }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201, 168, 106, 0.14);
  border: 1px solid rgba(201, 168, 106, 0.4);
  color: var(--accent-light);
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 22px;
}
.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.8rem);
  line-height: 1.15;
  font-weight: 800;
  margin-bottom: 18px;
}
.page-hero p {
  max-width: 680px;
  margin: 0 auto 40px;
  font-size: 1.08rem;
  color: rgba(255, 255, 255, 0.78);
}
.hero-countdown {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
}
.countdown-item {
  min-width: 92px;
  padding: 18px 10px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(10px);
}
.countdown-item strong {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1.1;
}
.countdown-item span {
  display: block;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.68);
  margin-top: 6px;
  letter-spacing: 2px;
}

/* Chip nav */
.chip-nav-wrap {
  margin-top: -28px;
  position: relative;
  z-index: 5;
}
.chip-nav {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  background: #fff;
  padding: 12px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
}
.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  color: var(--text-soft);
  background: #f1efea;
  transition: all 0.25s ease;
  border: 1px solid transparent;
}
.chip:hover { color: var(--primary); border-color: var(--accent); }
.chip.active { background: var(--primary); color: #fff; }

/* Intro */
.guide-intro { padding: calc(var(--space) * 1.2) 0 var(--space); }
.intro-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 60px;
  align-items: center;
}
.intro-kicker {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 2px;
  font-size: 0.82rem;
  text-transform: uppercase;
}
.intro-grid h2 {
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  line-height: 1.3;
  margin: 12px 0 20px;
}
.intro-copy { color: var(--text-soft); margin-bottom: 28px; }
.intro-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border);
}
.intro-list li:last-child { border-bottom: 0; }
.intro-list i { color: var(--accent); margin-top: 6px; }
.intro-list strong { display: block; font-weight: 700; }
.intro-list small { color: var(--text-soft); font-size: 0.85rem; }
.intro-media { position: relative; }
.intro-media img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.intro-media::before {
  content: "";
  position: absolute;
  inset: -16px auto auto -16px;
  width: 60%;
  height: 60%;
  border: 3px solid var(--accent);
  border-radius: var(--radius-lg);
  z-index: -1;
  opacity: 0.5;
}

/* Feature */
.feature-section { background: var(--white); padding: var(--space) 0; }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 56px; }
.section-head h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.3; }
.section-head p { color: var(--text-soft); margin-top: 12px; }
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(201, 168, 106, 0.5);
}
.feature-media {
  height: 170px;
  overflow: hidden;
  position: relative;
}
.feature-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.feature-card:hover .feature-media img { transform: scale(1.05); }
.feature-body {
  padding: 28px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.feature-body h3 { font-size: 1.2rem; margin-bottom: 10px; }
.feature-body p { color: var(--text-soft); font-size: 0.93rem; flex: 1; }
.feature-tag {
  display: inline-flex;
  width: fit-content;
  margin-top: 18px;
  background: rgba(201, 168, 106, 0.15);
  color: #8a6a2f;
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}

/* Steps */
.steps-section {
  background:
    linear-gradient(180deg, rgba(11, 19, 34, 0.96), rgba(15, 27, 45, 0.92)),
    url('/assets/images/backpic/back-2.png') center / cover;
  color: #fff;
  padding: var(--space) 0;
  position: relative;
}
.steps-section .section-head p { color: rgba(255, 255, 255, 0.64); }
.steps-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 22px;
}
.step-item {
  position: relative;
  padding: 32px 24px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-light);
  backdrop-filter: blur(8px);
  transition: all 0.3s ease;
}
.step-item:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, 0.1);
}
.step-num {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--accent);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.3rem;
  margin-bottom: 20px;
}
.step-item h3 { font-size: 1.05rem; margin-bottom: 10px; }
.step-item p { color: rgba(255, 255, 255, 0.62); font-size: 0.88rem; }
.step-item::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: -20px;
  transform: translateY(-50%);
  color: rgba(255, 255, 255, 0.35);
  font-size: 1.4rem;
  z-index: 2;
}
.step-item:last-child::after { display: none; }

/* Stats */
.stats-section { padding: var(--space) 0; background: var(--bg); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-bottom: 56px;
}
.stat-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-card strong {
  display: block;
  font-size: 2.6rem;
  color: var(--primary);
  font-weight: 800;
  line-height: 1.1;
}
.stat-card span { color: var(--text-soft); font-size: 0.92rem; }
.ranking-wrap {
  background: #fff;
  border-radius: 24px;
  padding: 36px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.ranking-wrap h3 { font-size: 1.4rem; margin-bottom: 4px; }
.ranking-desc { color: var(--text-soft); font-size: 0.92rem; }
.ranking-table-wrap { overflow-x: auto; }
.ranking-table { width: 100%; border-collapse: collapse; margin-top: 12px; }
.ranking-table th {
  text-align: left;
  padding: 14px 12px;
  color: var(--text-soft);
  font-weight: 600;
  font-size: 0.85rem;
  border-bottom: 2px solid var(--border);
  white-space: nowrap;
}
.ranking-table td {
  padding: 18px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
  white-space: nowrap;
}
.ranking-table tr:hover td { background: rgba(201, 168, 106, 0.06); }
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 700;
}
.status-stable { background: rgba(46, 157, 90, 0.12); color: #2e9d5a; }
.status-opt { background: rgba(201, 168, 106, 0.16); color: #8a6a2f; }

/* FAQ */
.faq-section { padding: var(--space) 0; background: var(--white); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 18px;
  margin-bottom: 16px;
  overflow: hidden;
  transition: all 0.3s ease;
}
.faq-item.open { border-color: rgba(201, 168, 106, 0.6); box-shadow: var(--shadow); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 26px;
  cursor: pointer;
  font-weight: 700;
  font-size: 1.02rem;
  gap: 16px;
}
.faq-q i { transition: transform 0.3s ease; color: var(--accent); }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a {
  max-height: 0;
  padding: 0 26px;
  color: var(--text-soft);
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding-bottom: 24px;
  padding-top: 4px;
}

/* CTA */
.cta-section {
  padding: calc(var(--space) * 1.2) 0;
  background:
    linear-gradient(120deg, rgba(11, 19, 34, 0.95), rgba(24, 41, 66, 0.88)),
    url('/assets/images/backpic/back-3.png') center / cover;
  color: #fff;
  text-align: center;
}
.cta-box { max-width: 720px; margin: 0 auto; }
.cta-box h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); margin-bottom: 16px; }
.cta-box p { color: rgba(255, 255, 255, 0.72); margin-bottom: 32px; }
.btn-accent {
  background: var(--accent);
  color: var(--primary);
  height: 52px;
  padding: 0 40px;
  font-size: 1rem;
  border-radius: 999px;
  margin: 0 8px 12px;
}
.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(201, 168, 106, 0.3);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border: 1px solid var(--border-light);
  height: 52px;
  padding: 0 36px;
  font-size: 1rem;
  border-radius: 999px;
  margin: 0 8px 12px;
}
.btn-ghost:hover { background: rgba(255, 255, 255, 0.2); }

/* Footer */
.site-footer { background: var(--primary); color: rgba(255, 255, 255, 0.7); padding: 70px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}
.footer-logo { font-size: 1.6rem; font-weight: 800; color: #fff; }
.footer-logo span { color: var(--accent); }
.footer-brand p {
  margin-top: 16px;
  font-size: 0.92rem;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 { color: #fff; margin-bottom: 20px; font-size: 1rem; }
.footer-col a {
  display: block;
  color: rgba(255, 255, 255, 0.62);
  padding: 6px 0;
  font-size: 0.92rem;
  transition: all 0.25s ease;
}
.footer-col a:hover { color: var(--accent-light); padding-left: 6px; }
.footer-col p { font-size: 0.9rem; padding: 4px 0; color: rgba(255, 255, 255, 0.58); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 24px 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.45);
}

/* Responsive */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-track { grid-template-columns: repeat(2, 1fr); gap: 28px; }
  .step-item::after { display: none; }
  .intro-grid { grid-template-columns: 1fr; gap: 44px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .site-header .main-nav {
    position: fixed;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--primary);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 6%;
    display: none;
    border-bottom: 1px solid var(--border-light);
    box-shadow: 0 30px 50px rgba(0, 0, 0, 0.2);
  }
  .site-header .main-nav.open { display: flex; }
  .nav-link { text-align: center; padding: 14px 18px; }
  .nav-toggle { display: block; }
  .header-actions .btn-primary { display: none; }
  .feature-grid { grid-template-columns: 1fr; }
  .steps-track { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .ranking-wrap { padding: 22px; }
  .ranking-table { min-width: 560px; }
}
@media (max-width: 520px) {
  .page-hero { min-height: 520px; padding: 60px 0; }
  .countdown-item { min-width: 70px; padding: 14px 8px; }
  .countdown-item strong { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: 1fr; }
  .container { width: 90%; }
  .intro-media::before { display: none; }
  .chip { padding: 8px 16px; font-size: 0.85rem; }
}

/* roulang page: article */
:root {
  --font-sans: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, "Segoe UI", sans-serif;
  --color-bg: #0a0f1a;
  --color-bg-soft: #111827;
  --color-surface: #182130;
  --color-surface-2: #1e293b;
  --color-border: rgba(255,255,255,.09);
  --color-text: #e6edf5;
  --color-muted: #93a6bd;
  --color-primary: #c9a063;
  --color-primary-2: #e0c48c;
  --color-accent: #d9b45b;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 14px rgba(0,0,0,.25);
  --shadow-md: 0 14px 40px rgba(0,0,0,.35);
  --transition: .25s ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

.container {
  width: min(1200px, 92%);
  margin-inline: auto;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  line-height: 1.4;
  border: 0;
  cursor: pointer;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  color: #101623;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255,255,255,.18);
  color: var(--color-text);
}

.btn-outline:hover {
  background: rgba(255,255,255,.06);
  border-color: rgba(255,255,255,.35);
  transform: translateY(-2px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10,15,26,.85);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  font-size: 1.28rem;
  font-weight: 800;
  letter-spacing: .02em;
  color: #fff;
  white-space: nowrap;
}

.brand span {
  color: var(--color-primary);
}

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

.nav-link {
  padding: 10px 18px;
  border-radius: 999px;
  font-size: .95rem;
  color: var(--color-muted);
  transition: var(--transition);
  white-space: nowrap;
}

.nav-link:hover {
  color: var(--color-text);
  background: rgba(255,255,255,.06);
}

.nav-link.active {
  color: #0d1420;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-2));
  font-weight: 700;
  box-shadow: 0 4px 18px rgba(201,160,99,.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  color: #fff;
  cursor: pointer;
  width: 44px;
  height: 44px;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

.page-hero {
  position: relative;
  padding: 120px 0 90px;
  background:
    linear-gradient(180deg, rgba(10,15,26,.82) 0%, rgba(10,15,26,.46) 60%, var(--color-bg) 100%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .9rem;
  color: var(--color-muted);
  margin-bottom: 18px;
}

.breadcrumb a {
  transition: var(--transition);
}

.breadcrumb a:hover {
  color: var(--color-primary-2);
}

.breadcrumb-sep {
  color: rgba(255,255,255,.25);
}

.hero-title {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.25;
  font-weight: 800;
  letter-spacing: -.02em;
  max-width: 880px;
  text-wrap: balance;
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 999px;
  background: rgba(255,255,255,.08);
  border: 1px solid var(--color-border);
  font-size: .88rem;
  color: var(--color-muted);
  backdrop-filter: blur(8px);
}

.chip .icon {
  color: var(--color-primary);
  font-size: .8em;
}

.section {
  padding: 96px 0;
  position: relative;
}

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.section-kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-size: .85rem;
  letter-spacing: .08em;
  font-weight: 600;
  margin-bottom: 12px;
}

.section-kicker::before {
  content: "";
  width: 18px;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), transparent);
  border-radius: 2px;
}

.section-title {
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.02em;
}

.section-text {
  color: var(--color-muted);
  margin-top: 14px;
}

.article-layout {
  position: relative;
  z-index: 2;
  margin-top: -48px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 32px;
  align-items: start;
}

.article-main {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 42px;
  box-shadow: var(--shadow-md);
}

.article-cover {
  margin: -42px -42px 30px;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  overflow: hidden;
  max-height: 440px;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-content {
  font-size: 1.02rem;
  line-height: 1.9;
  color: rgba(230,237,245,.88);
}

.article-content h2,
.article-content h3 {
  margin-top: 2em;
  margin-bottom: .7em;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--color-text);
}

.article-content h2 {
  font-size: 1.55rem;
  padding-left: 14px;
  border-left: 3px solid var(--color-primary);
}

.article-content p {
  margin-bottom: 1.25em;
}

.article-content ul,
.article-content ol {
  margin: 0 0 1.5em 1.2em;
}

.article-content li {
  margin-bottom: .55em;
}

.article-content ul li {
  list-style: disc;
}

.article-content img {
  border-radius: var(--radius-md);
  margin: 1.5em 0;
  box-shadow: var(--shadow-sm);
}

.article-content blockquote {
  border-left: 3px solid var(--color-primary);
  background: var(--color-bg-soft);
  padding: 18px 22px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1.5em 0;
  color: var(--color-muted);
  font-style: italic;
}

.article-content a {
  color: var(--color-primary-2);
  text-decoration: underline;
  text-underline-offset: 4px;
  transition: var(--transition);
}

.article-content a:hover {
  color: var(--color-primary);
}

.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 34px;
  padding-top: 26px;
  border-top: 1px solid var(--color-border);
}

.tag {
  padding: 7px 15px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  font-size: .85rem;
  color: var(--color-muted);
}

.not-found {
  text-align: center;
  padding: 80px 20px;
}

.not-found .nf-icon {
  font-size: 3.4rem;
  color: var(--color-primary);
  margin-bottom: 18px;
}

.not-found h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.not-found p {
  color: var(--color-muted);
  margin-bottom: 28px;
}

.article-sidebar {
  position: sticky;
  top: 90px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.side-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}

.side-card h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  letter-spacing: .02em;
}

.side-card h3::before {
  content: "";
  width: 4px;
  height: 18px;
  background: linear-gradient(var(--color-primary), var(--color-primary-2));
  border-radius: 4px;
  flex-shrink: 0;
}

.side-card p {
  color: var(--color-muted);
  font-size: .92rem;
  line-height: 1.8;
}

.side-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.side-nav a {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 11px 14px;
  border-radius: 10px;
  background: var(--color-bg-soft);
  border: 1px solid var(--color-border);
  font-size: .92rem;
  color: var(--color-muted);
  transition: var(--transition);
}

.side-nav a::after {
  content: "→";
  color: var(--color-primary);
  opacity: 0;
  transition: var(--transition);
}

.side-nav a:hover {
  color: var(--color-text);
  border-color: rgba(201,160,99,.4);
  transform: translateX(4px);
}

.side-nav a:hover::after {
  opacity: 1;
}

.side-list {
  list-style: none;
}

.side-list li {
  position: relative;
  padding-left: 18px;
  color: var(--color-muted);
  font-size: .9rem;
  line-height: 1.6;
  margin-bottom: 10px;
}

.side-list li::before {
  content: "◆";
  position: absolute;
  left: 0;
  top: 1px;
  color: var(--color-primary);
  font-size: .6em;
}

.side-cover img {
  border-radius: var(--radius-sm);
  margin-bottom: 14px;
  width: 100%;
  object-fit: cover;
}

.topics-section {
  background: var(--color-bg-soft);
  padding: 96px 0;
}

.topics-track {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  padding-bottom: 20px;
  scroll-snap-type: x mandatory;
}

.topics-track::-webkit-scrollbar {
  height: 6px;
}

.topics-track::-webkit-scrollbar-track {
  background: rgba(255,255,255,.04);
  border-radius: 3px;
}

.topics-track::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,.15);
  border-radius: 3px;
}

.topic-card {
  flex: 0 0 300px;
  scroll-snap-align: start;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 3 / 4;
  min-height: 280px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.topic-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s ease;
}

.topic-card:hover img {
  transform: scale(1.04);
}

.topic-overlay {
  position: absolute;
  inset: auto 0 0;
  padding: 24px;
  background: linear-gradient(to top, rgba(5,8,14,.92), rgba(5,8,14,.15) 70%, transparent);
  color: #fff;
}

.topic-overlay h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.topic-overlay p {
  font-size: .88rem;
  color: rgba(255,255,255,.75);
  line-height: 1.6;
}

.cta-section {
  position: relative;
  padding: 100px 0;
  background:
    linear-gradient(120deg, rgba(11,14,22,.92), rgba(22,29,42,.82)),
    url('/assets/images/backpic/back-3.png') center/cover no-repeat;
}

.cta-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 48px;
  align-items: center;
}

.cta-kicker {
  color: var(--color-primary);
  letter-spacing: .12em;
  font-size: .82rem;
  font-weight: 600;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.cta-title {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -.02em;
}

.cta-desc {
  color: var(--color-muted);
  max-width: 480px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.countdown {
  display: flex;
  gap: 16px;
  justify-content: flex-end;
}

.countdown-item {
  background: rgba(255,255,255,.07);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  min-width: 84px;
  padding: 20px 12px;
  text-align: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.countdown-item strong {
  display: block;
  font-size: 2.1rem;
  font-weight: 800;
  color: var(--color-primary-2);
  line-height: 1.2;
}

.countdown-item span {
  font-size: .8rem;
  color: var(--color-muted);
}

.faq-section {
  background: var(--color-bg);
  padding: 96px 0;
}

.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.faq-item {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition);
}

.faq-item:hover {
  border-color: rgba(201,160,99,.3);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 24px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: var(--transition);
  user-select: none;
}

.faq-item summary:hover {
  background: rgba(255,255,255,.04);
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1.4rem;
  color: var(--color-primary);
  transition: transform .25s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(45deg);
}

.faq-content {
  padding: 0 24px 22px;
  color: var(--color-muted);
  font-size: .94rem;
  line-height: 1.8;
}

.site-footer {
  background: #0a0f18;
  border-top: 1px solid var(--color-border);
  padding-top: 70px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 42px;
}

.footer-logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
}

.footer-logo span {
  color: var(--color-primary);
}

.footer-brand p {
  color: var(--color-muted);
  font-size: .92rem;
  margin-top: 16px;
  line-height: 1.8;
  max-width: 360px;
}

.footer-col h4 {
  font-size: .95rem;
  margin-bottom: 18px;
  letter-spacing: .04em;
  color: var(--color-text);
}

.footer-col a,
.footer-col p {
  display: block;
  color: var(--color-muted);
  font-size: .9rem;
  margin-bottom: 12px;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--color-primary-2);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 22px 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: .86rem;
}

@media (max-width: 1024px) {
  .article-layout {
    grid-template-columns: 1fr;
  }

  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    align-items: start;
  }

  .cta-inner {
    grid-template-columns: 1fr;
  }

  .countdown {
    justify-content: flex-start;
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: min(300px, 82vw);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    padding: 90px 24px 30px;
    background: rgba(10,15,26,.98);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    transform: translateX(105%);
    transition: transform .35s ease;
    box-shadow: -20px 0 60px rgba(0,0,0,.4);
    z-index: 200;
    border-left: 1px solid var(--color-border);
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    font-size: 1rem;
    padding: 14px 18px;
  }

  .header-actions .btn {
    display: none;
  }

  .page-hero {
    padding: 100px 0 70px;
  }

  .article-layout {
    margin-top: -36px;
  }

  .article-main {
    padding: 28px;
  }

  .article-cover {
    margin: -28px -28px 24px;
  }

  .article-sidebar {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .countdown {
    gap: 10px;
  }

  .countdown-item {
    min-width: 68px;
    padding: 16px 10px;
  }

  .countdown-item strong {
    font-size: 1.7rem;
  }
}

@media (max-width: 520px) {
  .container {
    width: 90%;
  }

  .section {
    padding: 64px 0;
  }

  .topics-section,
  .faq-section {
    padding: 64px 0;
  }

  .article-layout {
    gap: 24px;
  }

  .article-main {
    padding: 22px;
    border-radius: 18px;
  }

  .article-cover {
    margin: -22px -22px 20px;
  }

  .button-group .btn,
  .btn-group .btn {
    width: 100%;
  }

  .countdown-item {
    min-width: 60px;
    padding: 14px 8px;
  }

  .countdown-item strong {
    font-size: 1.4rem;
  }
}

/* roulang page: category2 */
:root{
  --primary:#0c0e1a;
  --primary-light:#151a2b;
  --surface:#121626;
  --surface-2:#1a2035;
  --accent:#c8a45c;
  --accent-light:#e3c88a;
  --accent-dark:#9d7d3e;
  --text:#ecebf3;
  --text-weak:#8f95ab;
  --border:#272d42;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 18px 50px rgba(0,0,0,.5);
  --shadow-sm:0 6px 18px rgba(0,0,0,.3);
  --transition:.3s ease;
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);background:var(--primary);color:var(--text);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;border:none;outline:none}
ul,ol{list-style:none}
.container{width:min(1200px,92%);margin:0 auto}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(12,14,26,.86);
  backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(39,45,66,.6);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px;gap:24px}
.logo{font-size:22px;font-weight:800;letter-spacing:.5px;color:#fff;white-space:nowrap}
.logo span{color:var(--accent)}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{
  display:inline-block;padding:10px 18px;border-radius:999px;font-size:15px;font-weight:600;
  color:var(--text-weak);transition:var(--transition);position:relative;line-height:1.4;
}
.nav-link:hover{color:#fff;background:rgba(200,164,92,.12)}
.nav-link.active{color:#111;background:linear-gradient(135deg,var(--accent-light),var(--accent));box-shadow:0 4px 20px rgba(200,164,92,.25)}
.header-cta{
  display:inline-flex;align-items:center;padding:10px 22px;border-radius:999px;font-size:14px;font-weight:700;
  color:var(--accent);border:1px solid rgba(200,164,92,.5);transition:var(--transition);white-space:nowrap;
}
.header-cta:hover{background:var(--accent);color:#111;box-shadow:0 6px 24px rgba(200,164,92,.35)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;background:var(--surface-2);
  cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;border-radius:2px;transition:var(--transition)}
.nav-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.active span:nth-child(2){opacity:0}
.nav-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ===== Page Hero ===== */
.page-hero{
  position:relative;min-height:520px;display:flex;align-items:center;padding:80px 0 120px;
  background:linear-gradient(135deg,rgba(8,9,18,.88),rgba(12,14,26,.55)),url('<?php echo $hero_bg; ?>') center/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{content:'';position:absolute;left:0;right:0;bottom:0;height:180px;background:linear-gradient(180deg,transparent,var(--primary));pointer-events:none}
.hero-inner{position:relative;z-index:2;max-width:820px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:8px 20px;border-radius:999px;
  background:rgba(200,164,92,.15);border:1px solid rgba(200,164,92,.4);color:var(--accent-light);
  font-size:14px;font-weight:700;letter-spacing:1px;margin-bottom:24px;
}
.hero-title{font-size:clamp(36px,5vw,58px);font-weight:800;line-height:1.18;letter-spacing:1px;margin-bottom:22px}
.hero-title span{background:linear-gradient(120deg,var(--accent-light),var(--accent));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-desc{font-size:17px;color:var(--text-weak);max-width:640px;margin-bottom:32px}
.hero-meta{display:flex;flex-wrap:wrap;gap:16px}
.hero-meta span{
  display:inline-flex;align-items:center;gap:8px;padding:8px 18px;border-radius:10px;
  background:rgba(255,255,255,.06);border:1px solid var(--border);font-size:14px;color:var(--text-weak);
}
.hero-meta i{color:var(--accent);font-style:normal;font-weight:700}

/* ===== Countdown ===== */
.countdown-section{padding:0 0 70px;margin-top:-60px;position:relative;z-index:5}
.countdown-wrap{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  background:linear-gradient(135deg,var(--surface-2),var(--surface));border:1px solid var(--border);
  border-radius:26px;padding:40px 48px;box-shadow:var(--shadow);
}
.countdown-info{flex:1;min-width:280px}
.section-tag{
  display:inline-block;padding:6px 14px;border-radius:8px;background:rgba(200,164,92,.13);
  border:1px solid rgba(200,164,92,.3);color:var(--accent-light);font-size:13px;font-weight:700;
  letter-spacing:2px;text-transform:uppercase;margin-bottom:14px;
}
.countdown-info h2{font-size:28px;font-weight:800;margin-bottom:10px}
.countdown-info p{color:var(--text-weak);font-size:15px}
.countdown-grid{display:flex;gap:16px;flex-wrap:wrap}
.cd-item{
  min-width:84px;padding:16px 14px;text-align:center;border-radius:16px;
  background:rgba(12,14,26,.7);border:1px solid var(--border);position:relative;
}
.cd-item b{display:block;font-size:32px;font-weight:800;color:var(--accent-light);font-variant-numeric:tabular-nums}
.cd-item span{display:block;font-size:13px;color:var(--text-weak);margin-top:4px}
.cd-item::after{content:'';position:absolute;top:16px;right:-9px;color:var(--accent);font-weight:800}

/* ===== Section Head ===== */
.section-head{margin-bottom:44px}
.section-title{font-size:clamp(26px,3vw,38px);font-weight:800;line-height:1.3;margin-top:8px}
.section-title em{font-style:normal;color:var(--accent)}
.section-desc{color:var(--text-weak);margin-top:12px;max-width:640px;font-size:15px}
.section-head.center{text-align:center;margin-left:auto;margin-right:auto}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}

/* ===== Filter Chips ===== */
.news-filter{padding:20px 0 10px;position:relative;z-index:3}
.filter-chips{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.chip{
  padding:9px 22px;border-radius:999px;border:1px solid var(--border);font-size:14px;font-weight:600;
  color:var(--text-weak);cursor:pointer;transition:var(--transition);background:var(--surface);
}
.chip:hover{border-color:var(--accent);color:var(--accent-light)}
.chip.active{background:var(--accent);border-color:var(--accent);color:#111;box-shadow:0 6px 20px rgba(200,164,92,.3)}

/* ===== News Grid ===== */
.news-section{padding:70px 0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;transition:var(--transition);display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(200,164,92,.45)}
.card-img{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-2)}
.card-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .card-img img{transform:scale(1.06)}
.card-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.55))}
.card-img .card-tag{position:absolute;left:16px;top:16px;z-index:2;padding:6px 14px;border-radius:999px;background:rgba(12,14,26,.75);border:1px solid rgba(200,164,92,.5);color:var(--accent-light);font-size:13px;font-weight:700;backdrop-filter:blur(8px)}
.card-body{padding:24px;flex:1;display:flex;flex-direction:column;gap:12px}
.card-title{font-size:17px;font-weight:700;line-height:1.55;transition:var(--transition);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card:hover .card-title{color:var(--accent-light)}
.card-summary{font-size:14px;color:var(--text-weak);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;flex:1}
.card-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-weak);border-top:1px solid var(--border);padding-top:14px;margin-top:4px}

/* ===== Popular Section ===== */
.popular-section{padding:80px 0;background:var(--primary-light);border-top:1px solid var(--border)}
.popular-wrap{display:grid;grid-template-columns:1fr 1.2fr;gap:40px;align-items:stretch}
.feature-card{
  border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);
  background:var(--surface);position:relative;min-height:420px;display:flex;flex-direction:column;
}
.feature-card .feature-img{position:absolute;inset:0;width:100%;height:100%}
.feature-card .feature-img img{width:100%;height:100%;object-fit:cover}
.feature-card::before{content:'';position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.15) 30%,rgba(8,9,18,.92) 85%);z-index:1}
.feature-body{position:relative;z-index:2;margin-top:auto;padding:30px}
.feature-label{display:inline-block;padding:5px 14px;border-radius:999px;background:rgba(200,164,92,.2);border:1px solid rgba(200,164,92,.5);color:var(--accent-light);font-size:13px;font-weight:700;margin-bottom:14px}
.feature-body h3{font-size:21px;font-weight:800;line-height:1.45;margin-bottom:10px}
.feature-body p{font-size:14px;color:rgba(236,235,243,.75);opacity:.85}
.popular-list{display:flex;flex-direction:column;gap:12px}
.rank-item{
  display:flex;align-items:center;gap:18px;padding:20px 24px;border-radius:var(--radius-sm);
  background:var(--surface);border:1px solid var(--border);transition:var(--transition);
}
.rank-item:hover{transform:translateX(6px);border-color:rgba(200,164,92,.45);background:var(--surface-2)}
.rank-num{
  width:46px;height:46px;flex-shrink:0;border-radius:12px;background:rgba(255,255,255,.05);
  display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:800;
  color:var(--accent-light);border:1px solid var(--border);
}
.rank-item:nth-child(1) .rank-num{background:linear-gradient(135deg,var(--accent),var(--accent-dark));color:#111;border-color:transparent}
.rank-info{flex:1;min-width:0}
.rank-title{font-size:15px;font-weight:600;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.rank-views{font-size:13px;color:var(--text-weak);margin-top:3px}
.rank-item .rank-arrow{color:var(--accent);font-size:18px;flex-shrink:0;opacity:0;transform:translateX(-6px);transition:var(--transition)}
.rank-item:hover .rank-arrow{opacity:1;transform:translateX(0)}

/* ===== Topics Scroll ===== */
.topics-section{padding:80px 0}
.topics-track{
  display:flex;gap:20px;overflow-x:auto;padding:10px 2px 24px;scroll-snap-type:x mandatory;
  scrollbar-width:thin;scrollbar-color:var(--accent) var(--surface-2);
}
.topics-track::-webkit-scrollbar{height:8px}
.topics-track::-webkit-scrollbar-track{background:var(--surface);border-radius:12px}
.topics-track::-webkit-scrollbar-thumb{background:var(--accent);border-radius:12px}
.topic-card{
  flex:0 0 300px;scroll-snap-align:start;border-radius:var(--radius);overflow:hidden;
  background:var(--surface);border:1px solid var(--border);transition:var(--transition);
}
.topic-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:rgba(200,164,92,.5)}
.topic-img{aspect-ratio:16/10;overflow:hidden;position:relative}
.topic-img img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.topic-card:hover .topic-img img{transform:scale(1.06)}
.topic-img::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 45%,rgba(8,9,18,.7))}
.topic-body{padding:20px 22px}
.topic-title{font-size:17px;font-weight:800;margin-bottom:6px}
.topic-body p{font-size:13px;color:var(--text-weak);line-height:1.75;margin-bottom:12px}
.topic-count{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;background:rgba(200,164,92,.12);border:1px solid rgba(200,164,92,.35);color:var(--accent-light);font-size:13px;font-weight:600}

/* ===== Timeline ===== */
.timeline-section{padding:80px 0;background:var(--primary-light);border-top:1px solid var(--border)}
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative}
.timeline::before{
  content:'';position:absolute;top:20px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,var(--accent),rgba(200,164,92,.25),var(--border));
}
.timeline-item{position:relative;padding-top:56px}
.timeline-dot{
  position:absolute;top:12px;left:0;width:18px;height:18px;border-radius:50%;
  background:var(--accent);box-shadow:0 0 0 6px rgba(200,164,92,.15);z-index:2;
}
.timeline-item:nth-child(even) .timeline-dot{background:var(--accent-light)}
.tl-step{
  display:inline-block;padding:5px 12px;border-radius:8px;background:rgba(200,164,92,.13);
  border:1px solid rgba(200,164,92,.3);color:var(--accent-light);font-size:13px;font-weight:700;margin-bottom:10px;
}
.tl-title{font-size:16px;font-weight:800;margin-bottom:6px}
.tl-text{font-size:13px;color:var(--text-weak);line-height:1.75}

/* ===== FAQ ===== */
.faq-section{padding:80px 0}
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  overflow:hidden;transition:var(--transition);
}
.faq-item.open{border-color:rgba(200,164,92,.5);box-shadow:var(--shadow-sm)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;cursor:pointer;font-size:16px;font-weight:700;transition:var(--transition);user-select:none;
}
.faq-q:hover{color:var(--accent-light)}
.faq-q .icon{width:32px;height:32px;flex-shrink:0;border-radius:50%;background:rgba(200,164,92,.13);display:flex;align-items:center;justify-content:center;color:var(--accent);font-weight:800;transition:var(--transition);font-size:18px}
.faq-item.open .faq-q .icon{transform:rotate(135deg);background:var(--accent);color:#111}
.faq-a{max-height:0;overflow:hidden;transition:max-height .4s ease}
.faq-a p{padding:0 26px 24px;color:var(--text-weak);font-size:15px;line-height:1.85}

/* ===== CTA ===== */
.cta-section{padding:0 0 80px}
.cta-box{
  position:relative;border-radius:28px;overflow:hidden;padding:70px 60px;text-align:center;
  background:linear-gradient(135deg,rgba(200,164,92,.14),rgba(12,14,26,.6)),url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  border:1px solid rgba(200,164,92,.35);
}
.cta-box::before{content:'';position:absolute;inset:0;background:rgba(8,9,18,.55);z-index:1}
.cta-box > *{position:relative;z-index:2}
.cta-box h2{font-size:clamp(24px,3vw,34px);font-weight:800;margin-bottom:12px}
.cta-box h2 em{font-style:normal;color:var(--accent-light)}
.cta-box p{color:var(--text-weak);max-width:560px;margin:0 auto 32px;font-size:15px}
.cta-form{display:flex;max-width:520px;margin:0 auto;gap:12px;flex-wrap:wrap}
.cta-form input{
  flex:1;min-width:220px;padding:14px 22px;border-radius:999px;background:rgba(255,255,255,.08);
  border:1px solid var(--border);color:#fff;font-size:15px;transition:var(--transition);
}
.cta-form input::placeholder{color:rgba(236,235,243,.45)}
.cta-form input:focus{border-color:var(--accent);background:rgba(255,255,255,.12)}
.cta-form button{
  padding:14px 30px;border-radius:999px;background:linear-gradient(135deg,var(--accent-light),var(--accent));
  color:#111;font-weight:800;cursor:pointer;transition:var(--transition);font-size:15px;
}
.cta-form button:hover{transform:translateY(-2px);box-shadow:0 10px 30px rgba(200,164,92,.4)}

/* ===== Footer ===== */
.site-footer{background:var(--primary);border-top:1px solid var(--border);padding:70px 0 30px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:44px;margin-bottom:44px}
.footer-logo{font-size:22px;font-weight:800;color:#fff}
.footer-logo span{color:var(--accent)}
.footer-brand p{font-size:14px;color:var(--text-weak);line-height:1.85;margin-top:16px;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:1px}
.footer-col a{display:block;font-size:14px;color:var(--text-weak);margin-bottom:10px;transition:var(--transition)}
.footer-col a:hover{color:var(--accent-light);padding-left:6px}
.footer-col p{font-size:14px;color:var(--text-weak);line-height:2}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  border-top:1px solid var(--border);padding-top:28px;font-size:13px;color:var(--text-weak);
}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .popular-wrap{grid-template-columns:1fr}
  .feature-card{min-height:340px}
  .timeline{grid-template-columns:repeat(3,1fr);gap:30px 24px}
  .timeline::before{display:none}
  .timeline-item{padding-top:44px}
  .countdown-wrap{padding:32px 28px}
}
@media(max-width:768px){
  .header-inner{height:68px}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:8px;
    background:rgba(12,14,26,.97);padding:24px 6%;border-bottom:1px solid var(--border);
    transform:translateY(-16px);opacity:0;pointer-events:none;transition:var(--transition);z-index:99;
    backdrop-filter:blur(16px);
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;box-shadow:var(--shadow)}
  .nav-link{text-align:center;padding:14px}
  .header-cta{display:none}
  .page-hero{min-height:440px;padding:60px 0 110px}
  .hero-title{font-size:36px}
  .countdown-wrap{flex-direction:column;align-items:flex-start}
  .countdown-grid{width:100%}
  .cd-item{flex:1}
  .news-grid{grid-template-columns:1fr}
  .timeline{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .cta-box{padding:50px 28px}
  .rank-item{flex-wrap:wrap;gap:12px}
  .rank-info{flex:1 0 calc(100% - 64px)}
  .rank-item .rank-arrow{display:none}
}
@media(max-width:520px){
  .container{width:94%}
  .page-hero{min-height:420px}
  .hero-meta{flex-direction:column;align-items:flex-start}
  .hero-title{font-size:30px}
  .section-title{font-size:24px}
  .filter-chips{gap:8px}
  .chip{padding:8px 16px;font-size:13px}
  .cd-item{min-width:72px;padding:12px 8px}
  .cd-item b{font-size:26px}
  .cd-item span{font-size:12px}
  .feature-card{min-height:280px}
  .feature-body{padding:20px}
  .feature-body h3{font-size:18px}
  .cta-form{flex-direction:column}
  .cta-form input{min-width:0}
  .cta-form button{width:100%}
  .timeline{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
  .topics-track{padding-bottom:16px}
}