/* roulang page: index */
:root{
  --primary:#0b1b33;
  --primary-light:#152a47;
  --primary-lighter:#1e3a5f;
  --accent:#f0a500;
  --accent-dark:#d08a00;
  --bg:#f4f6f9;
  --card:#ffffff;
  --text:#1c2430;
  --text-weak:#5c6b7a;
  --border:#dfe4ea;
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 2px 16px rgba(11,27,51,0.07);
  --shadow-lg:0 10px 36px rgba(11,27,51,0.13);
  --transition:0.25s ease;
}
*,*::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{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:color var(--transition)}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,0.92);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--transition);
}
.site-header.scrolled{box-shadow:0 4px 24px rgba(11,27,51,0.08)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  height:72px;
}
.logo{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:800;letter-spacing:-0.5px;color:var(--primary);
  white-space:nowrap;
}
.logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(240,165,0,0.2);
  flex-shrink:0;
}
.main-nav{
  display:flex;align-items:center;gap:6px;
  background:#f0f2f5;
  padding:4px;
  border-radius:40px;
}
.nav-link{
  padding:8px 20px;border-radius:30px;
  font-size:14px;font-weight:500;color:var(--text-weak);
  transition:all var(--transition);
  white-space:nowrap;
}
.nav-link:hover{color:var(--primary);background:rgba(255,255,255,0.7)}
.nav-link.active{
  background:var(--primary);color:#fff;
  box-shadow:0 2px 10px rgba(11,27,51,0.22);
}
.header-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 24px;border-radius:40px;
  font-size:14px;font-weight:600;
  transition:all var(--transition);
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(11,27,51,0.2)}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-2px);box-shadow:0 6px 20px rgba(11,27,51,0.28)}
.btn-accent{background:var(--accent);color:#0b1b33;box-shadow:0 4px 14px rgba(240,165,0,0.35)}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(208,138,0,0.4)}
.btn-ghost{background:rgba(255,255,255,0.15);color:#fff;border:1px solid rgba(255,255,255,0.4);backdrop-filter:blur(8px)}
.btn-ghost:hover{background:rgba(255,255,255,0.25);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary)}
.btn-light:hover{background:#f0f2f5;transform:translateY(-2px)}
.btn-outline{background:transparent;border:1px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:13px}
.btn-lg{padding:14px 34px;font-size:16px}
.menu-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:40px;height:40px;border-radius:8px;background:#f0f2f5;
  align-items:center;
}
.menu-toggle span{display:block;width:20px;height:2px;background:var(--primary);border-radius:2px;transition:all 0.3s}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.mobile-menu{
  display:none;flex-direction:column;gap:4px;
  padding:12px 24px 20px;
  background:#fff;
  border-bottom:1px solid var(--border);
}
.mobile-menu.open{display:flex}
.mobile-link{
  padding:12px 16px;border-radius:10px;font-size:15px;font-weight:500;
  color:var(--text-weak);transition:background var(--transition);
}
.mobile-link:hover{background:#f4f6f9;color:var(--primary)}
.mobile-link.active{background:var(--primary);color:#fff}

/* Hero */
.hero{
  position:relative;
  background-size:cover;background-position:center;
  min-height:580px;
  display:flex;align-items:center;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(11,27,51,0.92) 0%,rgba(11,27,51,0.72) 50%,rgba(11,27,51,0.45) 100%);
}
.hero-content{position:relative;z-index:2;padding:80px 0;max-width:720px}
.hero-tag{
  display:inline-block;padding:6px 16px;border-radius:30px;
  background:rgba(240,165,0,0.18);
  border:1px solid rgba(240,165,0,0.5);
  color:var(--accent);font-size:13px;font-weight:600;
  margin-bottom:20px;letter-spacing:1px;
}
.hero-title{
  font-size:52px;font-weight:900;line-height:1.15;color:#fff;
  letter-spacing:-1px;margin-bottom:18px;
}
.hero-subtitle{
  font-size:18px;color:rgba(255,255,255,0.85);line-height:1.7;
  margin-bottom:34px;max-width:600px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:48px}
.hero-stats{
  display:flex;gap:40px;flex-wrap:wrap;
  padding-top:32px;border-top:1px solid rgba(255,255,255,0.2);
}
.hero-stat{display:flex;flex-direction:column}
.hero-stat strong{font-size:30px;font-weight:800;color:#fff;line-height:1.2}
.hero-stat span{font-size:13px;color:rgba(255,255,255,0.7)}

/* Ticker */
.ticker{
  background:var(--primary);
  color:#fff;overflow:hidden;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.ticker-inner{
  display:flex;align-items:center;gap:20px;
  height:44px;overflow:hidden;
}
.ticker-label{
  flex-shrink:0;padding:4px 14px;border-radius:20px;
  background:var(--accent);color:#0b1b33;
  font-size:12px;font-weight:700;letter-spacing:1px;
}
.ticker-track{
  display:flex;gap:48px;white-space:nowrap;
  animation:tickerScroll 28s linear infinite;
}
.ticker-track span{font-size:14px;color:rgba(255,255,255,0.9)}
@keyframes tickerScroll{
  0%{transform:translateX(0)}
  100%{transform:translateX(-50%)}
}

/* Section */
.section{padding:80px 0}
.section-head{text-align:center;max-width:680px;margin:0 auto 56px}
.section-eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.section-title{font-size:34px;font-weight:800;line-height:1.25;color:var(--primary);margin-bottom:12px;letter-spacing:-0.5px}
.section-subtitle{font-size:16px;color:var(--text-weak);line-height:1.7}

/* Intro features */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.feature-card{
  background:var(--card);border-radius:var(--radius-lg);padding:36px 28px;
  box-shadow:var(--shadow);transition:all var(--transition);
  border:1px solid transparent;
}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(240,165,0,0.3)}
.feature-icon{
  width:56px;height:56px;border-radius:16px;
  background:linear-gradient(135deg,rgba(240,165,0,0.15),rgba(240,165,0,0.05));
  display:flex;align-items:center;justify-content:center;
  font-size:28px;margin-bottom:20px;
}
.feature-card h3{font-size:19px;font-weight:700;color:var(--primary);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-weak);line-height:1.7}

/* Category cards */
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.category-card{
  background:var(--card);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:all var(--transition);
}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.category-card img{width:100%;height:200px;object-fit:cover;transition:transform 0.5s ease}
.category-card:hover img{transform:scale(1.04)}
.category-body{padding:24px;position:relative}
.category-tag{
  display:inline-block;padding:4px 12px;border-radius:20px;
  background:rgba(240,165,0,0.12);color:var(--accent-dark);
  font-size:12px;font-weight:600;margin-bottom:10px;
}
.category-body h3{font-size:20px;font-weight:700;color:var(--primary);margin-bottom:8px}
.category-body p{font-size:14px;color:var(--text-weak);line-height:1.65;margin-bottom:16px}

/* Latest news list */
.latest-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.latest-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.news-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;position:relative;transition:all var(--transition);
}
.news-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-3px);border-color:rgba(240,165,0,0.4)}
.news-badge{
  display:inline-block;padding:3px 10px;border-radius:20px;
  background:var(--primary);color:#fff;font-size:11px;font-weight:600;
  margin-bottom:12px;letter-spacing:0.5px;
}
.news-title{font-size:16px;font-weight:700;line-height:1.5;margin-bottom:8px}
.news-title a{color:var(--text)}
.news-title a:hover{color:var(--primary)}
.news-desc{font-size:13px;color:var(--text-weak);line-height:1.65;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-time{font-size:12px;color:#a0aab5}
.empty-tip{
  grid-column:1/-1;text-align:center;padding:60px 24px;
  color:var(--text-weak);font-size:16px;
  background:#fafbfc;border-radius:var(--radius-lg);
  border:1px dashed var(--border);
}

/* Stats */
.stats-section{padding:0}
.stats-bg{position:relative;background-size:cover;background-position:center;}
.stats-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(11,27,51,0.94),rgba(11,27,51,0.78))}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:32px;padding:70px 0}
.stat-item{text-align:center}
.stat-item strong{display:block;font-size:38px;font-weight:900;color:#fff;line-height:1.2}
.stat-item span{font-size:14px;color:rgba(255,255,255,0.7)}

/* Process */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.process-step{
  text-align:center;padding:36px 24px;position:relative;
  background:var(--card);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:52px;height:52px;border-radius:50%;
  background:var(--primary);color:#fff;font-size:18px;font-weight:800;
  margin-bottom:18px;box-shadow:0 4px 14px rgba(11,27,51,0.25);
}
.process-step h3{font-size:19px;font-weight:700;color:var(--primary);margin-bottom:8px}
.process-step p{font-size:14px;color:var(--text-weak);line-height:1.65}

/* FAQ */
.faq-section{background:#fff;border-top:1px solid var(--border)}
.faq-list{max-width:780px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius);
  background:#fff;overflow:hidden;transition:all var(--transition);
}
.faq-item:hover{border-color:rgba(240,165,0,0.4);box-shadow:var(--shadow)}
.faq-item summary{
  padding:18px 22px;cursor:pointer;font-weight:600;font-size:15px;
  list-style:none;display:flex;justify-content:space-between;align-items:center;
  color:var(--text);transition:color var(--transition);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'+';font-size:22px;color:var(--accent);font-weight:300;
  transition:transform var(--transition);
}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--primary)}
.faq-item p{padding:0 22px 20px;color:var(--text-weak);line-height:1.75;font-size:14px}

/* CTA */
.cta-section{position:relative;background-size:cover;background-position:center;}
.cta-overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(11,27,51,0.9),rgba(30,58,95,0.85))}
.cta-content{
  position:relative;z-index:2;text-align:center;
  padding:90px 24px;max-width:640px;margin:0 auto;
}
.cta-content h2{font-size:38px;font-weight:900;color:#fff;margin-bottom:16px;letter-spacing:-0.5px}
.cta-content p{font-size:17px;color:rgba(255,255,255,0.85);margin-bottom:32px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* Footer */
.site-footer{background:var(--primary);color:rgba(255,255,255,0.7)}
.footer-inner{
  display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:48px;
  padding:64px 24px 40px;
}
.footer-logo{font-size:20px;font-weight:800;color:#fff;display:block;margin-bottom:12px}
.footer-brand p{font-size:14px;line-height:1.7;max-width:340px}
.footer-links h4,.footer-contact h4{
  font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;
}
.footer-links a{
  display:block;font-size:14px;padding:4px 0;transition:color var(--transition);
}
.footer-links a:hover{color:var(--accent)}
.footer-contact p{font-size:14px;padding:2px 0}
.footer-bottom{border-top:1px solid rgba(255,255,255,0.1);padding:20px 0}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,0.5);text-align:center}

/* Responsive */
@media (max-width:1024px){
  .feature-grid,.category-grid,.process-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .footer-inner{grid-template-columns:1fr 1fr}
  .hero-title{font-size:42px}
}
@media (max-width:768px){
  .header-inner{height:64px}
  .main-nav,.header-actions .btn{display:none}
  .menu-toggle{display:flex}
  .hero{min-height:520px}
  .hero-title{font-size:34px}
  .hero-subtitle{font-size:16px}
  .hero-actions{flex-direction:column;align-items:flex-start}
  .section{padding:56px 0}
  .section-title{font-size:28px}
  .latest-grid{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr;gap:32px;padding:48px 24px 32px}
  .ticker-track{animation-duration:22s}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .hero-title{font-size:28px}
  .hero-stats{gap:24px}
  .hero-stat strong{font-size:24px}
  .feature-grid,.category-grid,.process-grid,.stats-grid{grid-template-columns:1fr}
  .section{padding:44px 0}
  .section-head{margin-bottom:36px}
  .stats-grid{padding:50px 0}
  .cta-content h2{font-size:28px}
  .cta-content{padding:60px 16px}
  .footer-inner{padding:40px 16px 28px}
}

/* roulang page: category1 */
:root {
  --primary: #0b1f33;
  --primary-light: #16324c;
  --accent: #d62828;
  --accent-dark: #b01e1e;
  --gold: #f4a300;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #1c2b3a;
  --text-light: #5d6e7e;
  --text-weak: #8a99a6;
  --border: #e2e8f0;
  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 2px 8px rgba(11, 31, 51, 0.06);
  --shadow-md: 0 8px 28px rgba(11, 31, 51, 0.10);
  --shadow-lg: 0 16px 48px rgba(11, 31, 51, 0.14);
  --space-section: 80px;
  --font-main: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button, input { font-family: inherit; font-size: inherit; border: none; background: none; outline: none; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== 背景图 ===== */
.bg-back-1 { background-image: linear-gradient(rgba(11, 31, 51, 0.78), rgba(11, 31, 51, 0.88)), url('/assets/images/backpic/back-1.png'); background-size: cover; background-position: center; background-repeat: no-repeat; }
.bg-back-2 { background-image: linear-gradient(rgba(11, 31, 51, 0.85), rgba(11, 31, 51, 0.92)), url('/assets/images/backpic/back-2.png'); background-size: cover; background-position: center; background-repeat: no-repeat; }

/* ===== 头部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 12px rgba(11, 31, 51, 0.05);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 24px;
}
.brand-logo {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.5px;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}
.brand-logo i {
  color: var(--accent);
  font-size: 26px;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 20px;
  border-radius: 20px;
  font-weight: 600;
  font-size: 15px;
  color: var(--text-light);
  transition: all .25s ease;
}
.nav-link i { font-size: 14px; opacity: .8; }
.nav-link:hover { background: rgba(11, 31, 51, 0.06); color: var(--primary); transform: translateY(-1px); }
.nav-link.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(11, 31, 51, 0.25);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 24px;
  background: var(--accent);
  color: #fff;
  border-radius: 24px;
  font-weight: 700;
  font-size: 14px;
  transition: all .25s ease;
  box-shadow: 0 4px 14px rgba(214, 40, 40, 0.28);
}
.nav-cta:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 6px 18px rgba(214, 40, 40, 0.34); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.mobile-toggle { display: none; font-size: 24px; color: var(--primary); cursor: pointer; padding: 6px 10px; border-radius: 8px; }
.mobile-toggle:hover { background: rgba(11, 31, 51, 0.06); }

/* ===== 面包屑横幅 ===== */
.page-banner {
  padding: 72px 0 64px;
  position: relative;
  color: #fff;
}
.page-banner .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  margin-bottom: 18px;
  color: rgba(255,255,255,0.75);
  flex-wrap: wrap;
}
.page-banner .breadcrumb a { color: rgba(255,255,255,0.85); }
.page-banner .breadcrumb a:hover { color: var(--gold); }
.page-banner .breadcrumb i { font-size: 12px; }
.page-banner h1 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: 1px;
}
.page-banner .banner-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  max-width: 680px;
  line-height: 1.8;
}

/* ===== 快讯条 ===== */
.ticker-wrap {
  background: var(--primary);
  border-bottom: 3px solid var(--accent);
  position: relative;
  z-index: 2;
}
.ticker-inner {
  display: flex;
  align-items: center;
  min-height: 46px;
  overflow: hidden;
}
.ticker-label {
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  padding: 6px 16px;
  border-radius: 4px;
  margin-right: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  flex-shrink: 0;
}
.ticker-list {
  display: flex;
  align-items: center;
  gap: 32px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
  padding: 10px 0;
  flex: 1;
}
.ticker-list::-webkit-scrollbar { display: none; }
.ticker-item {
  color: rgba(255,255,255,0.9);
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}
.ticker-item i { color: var(--gold); font-size: 12px; }
.ticker-item span { font-weight: 500; }

/* ===== 通用板块 ===== */
.section { padding: var(--space-section) 0; }
.section-alt { background: var(--surface); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 36px;
  gap: 20px;
  flex-wrap: wrap;
}
.section-title { font-size: 30px; font-weight: 800; color: var(--primary); line-height: 1.3; position: relative; }
.section-title::after {
  content: '';
  display: block;
  width: 48px;
  height: 4px;
  border-radius: 2px;
  background: var(--accent);
  margin-top: 10px;
}
.section-sub { color: var(--text-light); font-size: 15px; margin-top: 8px; }
.section-more a { color: var(--accent); font-weight: 600; font-size: 15px; display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); transition: all .25s ease; }
.section-more a:hover { border-color: var(--accent); background: rgba(214,40,40,0.05); transform: translateX(4px); }

/* ===== 精选赛事 ===== */
.featured-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 28px;
}
.featured-card {
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  transition: transform .35s ease, box-shadow .35s ease;
  position: relative;
}
.featured-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.featured-card.large { display: flex; flex-direction: column; }
.featured-media { position: relative; overflow: hidden; }
.featured-media img { width: 100%; height: 320px; object-fit: cover; transition: transform .6s ease; }
.featured-card:hover .featured-media img { transform: scale(1.04); }
.featured-media::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(11,31,51,0.55) 0%, transparent 55%); }
.featured-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 4px;
  letter-spacing: 0.5px;
}
.featured-body { padding: 24px 26px; flex: 1; display: flex; flex-direction: column; }
.featured-body h3 { font-size: 22px; font-weight: 800; line-height: 1.4; margin-bottom: 10px; color: var(--primary); }
.featured-body p { font-size: 15px; color: var(--text-light); margin-bottom: 16px; flex: 1; }
.featured-meta { display: flex; align-items: center; gap: 16px; font-size: 13px; color: var(--text-weak); }
.featured-meta i { margin-right: 4px; }
.featured-small-grid { display: grid; grid-template-rows: repeat(2, 1fr); gap: 28px; }
.featured-small-card {
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  display: flex;
  gap: 18px;
  padding: 14px;
  transition: transform .3s ease, box-shadow .3s ease;
  overflow: hidden;
}
.featured-small-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.featured-small-card .fs-media { width: 130px; min-height: 110px; border-radius: var(--radius-sm); overflow: hidden; flex-shrink: 0; }
.featured-small-card .fs-media img { width: 100%; height: 100%; object-fit: cover; min-height: 110px; }
.featured-small-card .fs-body { display: flex; flex-direction: column; justify-content: center; }
.featured-small-card .fs-body h4 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--primary); }
.featured-small-card .fs-body .fs-meta { font-size: 13px; color: var(--text-weak); }

/* ===== 最新资讯网格 ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.news-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform .3s ease, box-shadow .3s ease;
  display: flex;
  flex-direction: column;
}
.news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.news-card .nc-media { position: relative; overflow: hidden; }
.news-card .nc-media img { width: 100%; height: 200px; object-fit: cover; transition: transform .5s ease; }
.news-card:hover .nc-media img { transform: scale(1.05); }
.nc-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 31, 51, 0.85);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 4px;
  backdrop-filter: blur(4px);
}
.nc-body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.nc-body h3 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 8px; color: var(--primary); }
.nc-body h3 a:hover { color: var(--accent); }
.nc-body p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin-bottom: 14px; flex: 1; }
.nc-meta { display: flex; justify-content: space-between; align-items: center; font-size: 13px; color: var(--text-weak); border-top: 1px solid var(--border); padding-top: 12px; }
.nc-meta .label { background: rgba(11,31,51,0.05); padding: 2px 10px; border-radius: 4px; font-size: 12px; font-weight: 600; color: var(--primary); }

/* ===== 数据看板 ===== */
.stats-section { background: var(--primary); color: #fff; position: relative; overflow: hidden; }
.stats-section::before { content: ''; position: absolute; inset: 0; background: radial-gradient(600px 300px at 15% 20%, rgba(255,255,255,0.06) 0%, transparent 60%); }
.stats-section .section-title { color: #fff; }
.stats-section .section-title::after { background: var(--gold); }
.stats-section .section-sub { color: rgba(255,255,255,0.7); }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 20px;
  position: relative;
  z-index: 1;
}
.stat-item {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform .3s ease, background .3s ease;
}
.stat-item:hover { transform: translateY(-5px); background: rgba(255,255,255,0.10); }
.stat-icon { font-size: 32px; color: var(--gold); margin-bottom: 12px; }
.stat-num { font-size: 42px; font-weight: 900; line-height: 1.2; }
.stat-label { font-size: 15px; color: rgba(255,255,255,0.75); margin-top: 8px; }

/* ===== 热门排行 ===== */
.rank-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.rank-list { background: var(--surface); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.rank-list-title { font-size: 20px; font-weight: 800; color: var(--primary); margin-bottom: 20px; display: flex; align-items: center; gap: 10px; }
.rank-list-title i { color: var(--gold); }
.rank-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 10px;
  border-radius: var(--radius-sm);
  transition: background .2s ease;
  border-bottom: 1px solid #f0f2f5;
}
.rank-item:last-child { border-bottom: none; }
.rank-item:hover { background: rgba(11, 31, 51, 0.04); }
.rank-num {
  width: 36px;
  height: 36px;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 14px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.rank-item:nth-child(1) .rank-num { background: var(--accent); }
.rank-item:nth-child(2) .rank-num { background: #e67e22; }
.rank-item:nth-child(3) .rank-num { background: #2e86de; }
.rank-info { flex: 1; min-width: 0; }
.rank-info h4 { font-size: 15px; font-weight: 700; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-info p { font-size: 13px; color: var(--text-weak); margin-top: 2px; }
.rank-metric { font-size: 14px; font-weight: 700; color: var(--accent); flex-shrink: 0; }
.rank-metric small { font-weight: 500; color: var(--text-weak); font-size: 12px; }

/* ===== 专题标签 ===== */
.tag-cloud { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 30px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  transition: all .25s ease;
}
.tag-chip i { color: var(--accent); }
.tag-chip:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-3px); box-shadow: 0 8px 20px rgba(11,31,51,0.18); }
.tag-chip:hover i { color: var(--gold); }

/* ===== CTA 区块 ===== */
.cta-box {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  border-radius: 20px;
  padding: 48px 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-box::before { content: ''; position: absolute; right: -60px; top: -60px; width: 200px; height: 200px; border-radius: 50%; background: rgba(255,255,255,0.05); }
.cta-content h3 { font-size: 26px; font-weight: 800; margin-bottom: 12px; }
.cta-content p { font-size: 15px; color: rgba(255,255,255,0.75); max-width: 520px; }
.cta-actions { display: flex; gap: 16px; flex-shrink: 0; flex-wrap: wrap; }
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  background: var(--accent);
  color: #fff;
  border-radius: 30px;
  font-weight: 700;
  font-size: 15px;
  transition: all .25s ease;
  box-shadow: 0 6px 20px rgba(214, 40, 40, 0.35);
}
.btn-primary:hover { background: var(--accent-dark); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(214, 40, 40, 0.4); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  background: rgba(255,255,255,0.12);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: 30px;
  font-weight: 600;
  font-size: 15px;
  transition: all .25s ease;
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); transform: translateY(-2px); }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--primary);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 60px;
  margin-top: 0;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.1fr;
  gap: 48px;
  padding-bottom: 40px;
}
.footer-logo { font-size: 24px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.footer-logo i { color: var(--accent); }
.footer-brand p { font-size: 15px; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 340px; }
.footer-links, .footer-contact { display: flex; flex-direction: column; }
.footer-links h4, .footer-contact h4 { font-size: 17px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-links a { font-size: 15px; padding: 5px 0; color: rgba(255,255,255,0.7); transition: all .2s ease; }
.footer-links a:hover { color: var(--gold); padding-left: 6px; }
.footer-contact p { font-size: 14px; padding: 5px 0; color: rgba(255,255,255,0.7); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255,255,255,0.5);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .featured-grid { grid-template-columns: 1fr; }
  .featured-small-grid { grid-template-columns: repeat(2, 1fr); grid-template-rows: none; }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .rank-layout { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --space-section: 56px; }
  .site-header { height: auto; min-height: 64px; }
  .header-inner { flex-wrap: wrap; height: auto; padding: 12px 0; }
  .brand-logo { font-size: 18px; }
  .main-nav {
    display: none;
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 4px;
    padding: 12px 0;
  }
  .main-nav.open { display: flex; }
  .nav-link { justify-content: center; padding: 12px 16px; }
  .mobile-toggle { display: block; }
  .nav-cta { display: none; }
  .page-banner { padding: 48px 0 42px; }
  .page-banner h1 { font-size: 32px; }
  .news-grid { grid-template-columns: 1fr; }
  .featured-small-grid { grid-template-columns: 1fr; }
  .featured-small-card { flex-direction: row; }
  .featured-small-card .fs-media { width: 110px; min-height: 90px; }
  .featured-small-card .fs-media img { min-height: 90px; }
  .stats-grid { gap: 16px; padding: 0; }
  .stat-num { font-size: 32px; }
  .cta-box { padding: 36px 28px; flex-direction: column; text-align: center; }
  .cta-actions { justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { gap: 12px; }
  .brand-logo { font-size: 16px; letter-spacing: 0; }
  .brand-logo i { font-size: 20px; }
  .page-banner h1 { font-size: 26px; }
  .page-banner .banner-desc { font-size: 15px; }
  .ticker-label { font-size: 12px; padding: 5px 10px; margin-right: 10px; }
  .ticker-item { font-size: 13px; }
  .section-title { font-size: 24px; }
  .featured-body h3 { font-size: 18px; }
  .featured-small-card { flex-direction: column; }
  .featured-small-card .fs-media { width: 100%; height: auto; }
  .featured-small-card .fs-media img { height: 160px; }
  .news-card .nc-media img { height: 170px; }
  .cta-box h3 { font-size: 20px; }
  .cta-box { padding: 28px 20px; }
  .btn-primary, .btn-ghost { width: 100%; justify-content: center; }
  .rank-item { gap: 12px; }
  .rank-num { width: 30px; height: 30px; font-size: 13px; }
}

/* roulang page: article */
:root {
  --primary: #067a6f;
  --primary-light: #0e998a;
  --primary-dark: #045a52;
  --accent: #f4a340;
  --accent-light: #ffc979;
  --dark-bg: #0d2420;
  --bg: #f4f8f7;
  --surface: #ffffff;
  --text: #132722;
  --text-muted: #5d716d;
  --border: #dce8e5;
  --radius: 14px;
  --radius-sm: 8px;
  --radius-lg: 24px;
  --shadow: 0 8px 30px rgba(4, 90, 82, 0.07);
  --shadow-lg: 0 16px 40px rgba(4, 90, 82, 0.13);
  --transition: all 0.3s ease;
  --container-w: 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", "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: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-dark);
}

button,
input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.3px;
  white-space: nowrap;
}

.logo:hover {
  color: var(--text);
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 4px 14px rgba(6, 122, 111, 0.35);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 6px;
}

.nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--primary);
  background: rgba(6, 122, 111, 0.08);
}

.nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 4px 14px rgba(6, 122, 111, 0.3);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 20px rgba(6, 122, 111, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(6, 122, 111, 0.35);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 20px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: transparent;
  cursor: pointer;
  position: relative;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.menu-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  border-radius: 2px;
  background: var(--text);
  transition: var(--transition);
}

.menu-toggle.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle.open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Article Banner ===== */
.article-banner {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 96px 0 72px;
  color: #fff;
  isolation: isolate;
}

.article-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 40, 34, 0.78) 0%, rgba(6, 60, 50, 0.86) 100%);
  z-index: -1;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  margin-bottom: 20px;
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.3);
}

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

.breadcrumb .sep {
  opacity: 0.5;
}

.article-banner h1 {
  font-size: 42px;
  line-height: 1.3;
  font-weight: 800;
  max-width: 860px;
  letter-spacing: -0.5px;
  margin-bottom: 20px;
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.2);
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
}

.article-meta .badge {
  background: var(--accent);
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
  box-shadow: 0 4px 12px rgba(244, 163, 64, 0.4);
}

.article-meta span:not(.badge)::before {
  content: "·";
  margin-right: 16px;
  opacity: 0.4;
}

/* ===== Article Main ===== */
.article-section {
  padding: 56px 0 72px;
}

.article-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: 48px;
  align-items: start;
}

.article-main-content {
  min-width: 0;
}

.article-body {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 48px 52px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.article-body h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text);
  margin: 40px 0 16px;
  padding-top: 8px;
  position: relative;
}

.article-body h2:first-child {
  margin-top: 0;
}

.article-body h2::before {
  content: "";
  display: inline-block;
  width: 4px;
  height: 24px;
  background: var(--accent);
  border-radius: 4px;
  margin-right: 10px;
  vertical-align: -3px;
}

.article-body h3 {
  font-size: 21px;
  font-weight: 700;
  margin: 28px 0 12px;
  color: var(--text);
}

.article-body p {
  margin-bottom: 18px;
  font-size: 16px;
  line-height: 1.9;
  color: #2a3a36;
}

.article-body ul,
.article-body ol {
  margin: 0 0 20px 24px;
  line-height: 1.9;
  font-size: 16px;
  color: #2a3a36;
}

.article-body li {
  margin-bottom: 8px;
}

.article-body blockquote {
  margin: 32px 0;
  padding: 20px 28px;
  background: rgba(6, 122, 111, 0.06);
  border-left: 4px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 17px;
  color: var(--primary-dark);
  font-style: italic;
  line-height: 1.8;
}

.article-body img {
  border-radius: var(--radius);
  margin: 24px 0;
  box-shadow: var(--shadow);
}

.article-body a {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}

.article-body th,
.article-body td {
  border: 1px solid var(--border);
  padding: 12px 16px;
  text-align: left;
}

.article-body th {
  background: rgba(6, 122, 111, 0.06);
  font-weight: 700;
}

.article-body code {
  background: #eef3f1;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 14px;
}

/* ===== Not Found ===== */
.not-found-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 72px 48px;
  text-align: center;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.not-found-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: rgba(244, 163, 64, 0.15);
  color: var(--accent);
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 24px;
}

.not-found-card h2 {
  font-size: 30px;
  font-weight: 800;
  margin-bottom: 12px;
}

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

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

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

.sidebar-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 12px;
}

.sidebar-card h3::after {
  content: "";
  display: block;
  width: 36px;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
  position: absolute;
  bottom: 0;
  left: 0;
}

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

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  background: var(--bg);
  transition: var(--transition);
}

.sidebar-nav a:hover {
  background: rgba(6, 122, 111, 0.1);
  color: var(--primary);
  transform: translateX(3px);
}

.sidebar-post {
  display: flex;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.sidebar-post:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.sidebar-post img {
  width: 84px;
  height: 64px;
  object-fit: cover;
  border-radius: 10px;
  flex-shrink: 0;
}

.sidebar-post h4 {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
}

.sidebar-post p {
  font-size: 13px;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.5;
}

.join-card {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  text-align: center;
}

.join-card h3 {
  color: #fff;
}

.join-card h3::after {
  background: var(--accent);
}

.join-card p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  margin-bottom: 20px;
}

.join-card .btn {
  background: #fff;
  color: var(--primary);
}

.join-card .btn:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-2px);
}

/* ===== Ticker ===== */
.ticker-section {
  background: var(--dark-bg);
  padding: 20px 0;
  border-top: 3px solid var(--accent);
}

.ticker-wrap {
  display: flex;
  align-items: center;
  gap: 20px;
  overflow: hidden;
}

.ticker-label {
  background: var(--accent);
  color: var(--dark-bg);
  font-size: 13px;
  font-weight: 800;
  padding: 5px 14px;
  border-radius: 999px;
  white-space: nowrap;
  letter-spacing: 1px;
}

.ticker-items {
  display: flex;
  gap: 28px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

.ticker-items::-webkit-scrollbar {
  display: none;
}

.ticker-items a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
}

.ticker-items a:hover {
  color: var(--accent-light);
}

/* ===== Related ===== */
.related-section {
  padding: 72px 0;
}

.section-header {
  text-align: center;
  margin-bottom: 44px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 800;
  letter-spacing: -0.5px;
  position: relative;
  display: inline-block;
}

.section-header p {
  color: var(--text-muted);
  margin-top: 8px;
  font-size: 16px;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.related-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
}

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

.related-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.related-card-body {
  padding: 24px;
}

.related-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 8px;
}

.related-card p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ===== Category Cards ===== */
.category-cards {
  padding: 72px 0;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.category-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 240px;
  display: flex;
  align-items: flex-end;
  color: #fff;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: none;
}

.category-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, 0.7));
  z-index: 1;
}

.category-card img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

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

.category-card:hover {
  box-shadow: var(--shadow-lg);
}

.category-info {
  position: relative;
  z-index: 2;
  padding: 24px;
  width: 100%;
}

.category-info h3 {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 4px;
}

.category-info p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

/* ===== FAQ ===== */
.faq-section {
  padding: 72px 0;
}

.faq-list {
  max-width: 780px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 28px 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}

.faq-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.faq-item h3::before {
  content: "Q";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  flex-shrink: 0;
}

.faq-item p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.7;
  padding-left: 36px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 88px 0;
  background-size: cover;
  background-position: center;
  color: #fff;
  text-align: center;
  isolation: isolate;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(5, 45, 38, 0.82);
  z-index: -1;
}

.cta-section h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.5px;
}

.cta-section p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
}

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

.cta-buttons .btn-primary {
  background: var(--accent);
  color: var(--dark-bg);
  box-shadow: 0 8px 24px rgba(244, 163, 64, 0.35);
}

.cta-buttons .btn-primary:hover {
  background: #fff;
  color: var(--primary);
}

.cta-buttons .btn-outline {
  border-color: rgba(255, 255, 255, 0.7);
  color: #fff;
}

.cta-buttons .btn-outline:hover {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.8);
  padding-top: 60px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-logo {
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  display: inline-block;
  margin-bottom: 14px;
}

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

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 12px;
  max-width: 360px;
}

.footer-links h4,
.footer-contact h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

.footer-links a {
  display: block;
  padding: 6px 0;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-links a:hover {
  color: var(--accent-light);
  transform: translateX(3px);
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.8;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .article-sidebar {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

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

  .article-banner h1 {
    font-size: 34px;
  }
}

@media (max-width: 768px) {
  .header-inner {
    height: 64px;
  }

  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--surface);
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px 24px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
    display: none;
  }

  .main-nav.open {
    display: flex;
  }

  .nav-link {
    padding: 12px 18px;
    font-size: 16px;
    border-radius: 10px;
  }

  .menu-toggle {
    display: flex;
  }

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

  .article-banner {
    padding: 56px 0 40px;
  }

  .article-banner h1 {
    font-size: 26px;
  }

  .article-body {
    padding: 28px 24px;
  }

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

  .related-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

  .cta-section h2 {
    font-size: 28px;
  }

  .section-header h2 {
    font-size: 26px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .logo {
    font-size: 17px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
    font-size: 16px;
  }

  .article-banner h1 {
    font-size: 22px;
  }

  .article-meta {
    gap: 8px;
    font-size: 13px;
  }

  .article-body {
    padding: 20px 16px;
    border-radius: 16px;
  }

  .article-body h2 {
    font-size: 22px;
  }

  .faq-item {
    padding: 20px;
  }

  .faq-item p {
    padding-left: 0;
  }

  .related-card img {
    height: 160px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .cta-buttons .btn {
    width: 100%;
  }

  .ticker-wrap {
    gap: 10px;
  }

  .ticker-items {
    gap: 16px;
  }
}

:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 2px;
}

/* roulang page: category2 */
:root {
            --primary: #1a3650;
            --primary-light: #2a5298;
            --primary-dark: #0f2540;
            --accent: #e67e22;
            --accent-light: #f39c12;
            --bg: #f4f6f9;
            --bg-white: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 20px rgba(15, 37, 64, 0.08);
            --shadow-hover: 0 10px 34px rgba(15, 37, 64, 0.14);
            --transition: all 0.3s ease;
            --container-w: 1200px;
            --font: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font);
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            display: block;
            border: none;
        }

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 37, 64, 0.05);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 14px 0;
        }

        .site-logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
            line-height: 1.2;
        }

        .site-logo span {
            color: var(--accent);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg);
            padding: 4px;
            border-radius: 40px;
            border: 1px solid var(--border);
        }

        .nav-link {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(255, 255, 255, 0.9);
        }

        .nav-link.active {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(26, 54, 80, 0.3);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 6px 6px 6px 14px;
            transition: var(--transition);
        }

        .header-search input {
            width: 140px;
            font-size: 13px;
            color: var(--text);
            background: transparent;
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search button {
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            cursor: pointer;
            transition: var(--transition);
            font-size: 14px;
        }

        .header-search button:hover {
            background: var(--accent);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background: linear-gradient(rgba(15, 37, 64, 0.88), rgba(15, 37, 64, 0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            padding: 84px 0 72px;
            color: #fff;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 860px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(230, 126, 34, 0.2);
            border: 1px solid rgba(230, 126, 34, 0.5);
            color: #ffb26a;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 40px;
            letter-spacing: 2px;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }

        .page-hero h1 span {
            color: var(--accent);
        }

        .page-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 28px;
        }

        .hero-tags {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }

        .tag-chip:hover {
            background: var(--accent);
            border-color: var(--accent);
            transform: translateY(-2px);
        }

        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 42px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .stat-item {
            text-align: center;
        }

        .stat-item strong {
            font-size: 30px;
            font-weight: 900;
            color: #fff;
            display: block;
            line-height: 1.2;
        }

        .stat-item strong em {
            font-style: normal;
            color: var(--accent);
            font-weight: 700;
            font-size: 20px;
        }

        .stat-item span {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
            display: block;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 72px 0;
        }

        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 3px;
            color: var(--accent);
            background: rgba(230, 126, 34, 0.1);
            padding: 5px 16px;
            border-radius: 40px;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.4;
            letter-spacing: 0.5px;
        }

        .section-header p {
            margin-top: 12px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== Topic Chips Strip ===== */
        .topic-strip {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
            position: relative;
            z-index: 5;
            box-shadow: 0 2px 10px rgba(15, 37, 64, 0.04);
        }

        .topic-list {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 10px;
            padding: 4px 0;
        }

        .topic-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 40px;
            background: var(--bg);
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            cursor: pointer;
            transition: var(--transition);
        }

        .topic-link::before {
            content: "#";
            color: var(--accent);
            font-weight: 700;
        }

        .topic-link:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(26, 54, 80, 0.2);
        }

        /* ===== Featured Cards ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(230, 126, 34, 0.4);
        }

        .feature-card .card-cover {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #e8edf3;
        }

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

        .feature-card:hover .card-cover img {
            transform: scale(1.06);
        }

        .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(230, 126, 34, 0.92);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 30px;
            letter-spacing: 1px;
            backdrop-filter: blur(4px);
        }

        .card-tag.green {
            background: rgba(26, 130, 82, 0.92);
        }

        .card-tag.blue {
            background: rgba(42, 82, 152, 0.92);
        }

        .card-body {
            padding: 22px 24px 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .card-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.5;
            margin-bottom: 10px;
            transition: var(--transition);
        }

        .feature-card:hover .card-body h3 {
            color: var(--primary-light);
        }

        .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            flex: 1;
        }

        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .card-link {
            display: inline-block;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
        }

        .card-link::after {
            content: " →";
            transition: transform 0.3s ease;
            display: inline-block;
        }

        .card-link:hover::after {
            transform: translateX(4px);
        }

        /* ===== Category Cover Grid ===== */
        .cover-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .cover-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 3 / 4;
            cursor: pointer;
            display: block;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

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

        .cover-card:hover img {
            transform: scale(1.08);
        }

        .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 37, 64, 0.88) 0%, rgba(15, 37, 64, 0.25) 50%, rgba(15, 37, 64, 0.1) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 20px;
            color: #fff;
            transition: var(--transition);
        }

        .cover-overlay .cover-icon {
            font-size: 26px;
            margin-bottom: 8px;
            opacity: 0.9;
        }

        .cover-overlay h3 {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 1px;
            margin-bottom: 6px;
        }

        .cover-overlay p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.5;
        }

        .cover-grid-item {
            display: block;
        }

        /* ===== Guide List ===== */
        .guide-section {
            background: var(--bg-white);
        }

        .guide-wrap {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }

        .guide-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            box-shadow: var(--shadow);
        }

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

        .guide-image::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(230, 126, 34, 0.15), transparent 60%);
        }

        .guide-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .guide-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .guide-item:last-child {
            border-bottom: none;
        }

        .guide-item:hover {
            padding-left: 8px;
        }

        .guide-num {
            flex-shrink: 0;
            width: 42px;
            height: 42px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 16px;
            font-weight: 900;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
            box-shadow: 0 4px 12px rgba(26, 54, 80, 0.25);
        }

        .guide-item:nth-child(2) .guide-num {
            background: var(--accent);
            box-shadow: 0 4px 12px rgba(230, 126, 34, 0.3);
        }

        .guide-item:nth-child(3) .guide-num {
            background: var(--primary-light);
        }

        .guide-item:nth-child(4) .guide-num {
            background: #1d7c5a;
        }

        .guide-content h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 5px;
        }

        .guide-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item:hover {
            border-color: rgba(230, 126, 34, 0.4);
            box-shadow: 0 4px 16px rgba(15, 37, 64, 0.06);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 700;
            color: var(--text);
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 15px;
            font-style: normal;
            transition: var(--transition);
        }

        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }

        .faq-answer {
            display: none;
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .faq-answer.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(rgba(15, 37, 64, 0.9), rgba(26, 54, 80, 0.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .cta-box {
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 900;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 34px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 20px rgba(230, 126, 34, 0.35);
        }

        .btn-accent:hover {
            background: #c96a17;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 126, 34, 0.4);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 56px;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand .footer-logo {
            display: inline-block;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

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

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-links h4,
        .footer-contact h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .footer-links a {
            display: block;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            padding: 4px 0;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin-bottom: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 0;
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Focus Visible ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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

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

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

            .header-search {
                display: none;
            }
        }

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

            .main-nav {
                position: absolute;
                top: calc(100% - 8px);
                left: 16px;
                right: 16px;
                background: var(--bg-white);
                border: 1px solid var(--border);
                border-radius: 16px;
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
                box-shadow: 0 16px 40px rgba(15, 37, 64, 0.16);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-8px);
                transition: var(--transition);
                gap: 4px;
            }

            .main-nav.open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }

            .nav-link {
                border-radius: 10px;
                padding: 12px 16px;
                text-align: center;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero p {
                font-size: 15px;
            }

            .hero-stats {
                gap: 24px;
                flex-wrap: wrap;
            }

            .stat-item strong {
                font-size: 24px;
            }

            .section {
                padding: 52px 0;
            }

            .section-header h2 {
                font-size: 26px;
            }

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

            .cta-box h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

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

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

            .header-inner {
                padding: 12px 0;
            }

            .site-logo {
                font-size: 17px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .hero-tags {
                gap: 8px;
            }

            .tag-chip {
                padding: 6px 14px;
                font-size: 13px;
            }

            .topic-list {
                gap: 8px;
            }

            .topic-link {
                padding: 7px 14px;
                font-size: 13px;
            }

            .btn-group {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                padding: 12px 24px;
                font-size: 14px;
                width: 100%;
            }

            .guide-item {
                gap: 14px;
                padding: 16px 0;
            }

            .guide-num {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

            .guide-content h3 {
                font-size: 15px;
            }

            .guide-content p {
                font-size: 13px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #14213d;
            --primary-light: #202f52;
            --primary-dark: #0c1426;
            --accent: #ff6a3d;
            --accent-dark: #e9531f;
            --accent-soft: #fff1ec;
            --gold: #f6c453;
            --teal: #2ec4b6;
            --bg: #f5f7fb;
            --bg-dark: #0f172a;
            --card: #ffffff;
            --text: #1d2537;
            --text-2: #566078;
            --text-3: #93a0b6;
            --border: #e6eaf2;
            --radius-lg: 22px;
            --radius: 14px;
            --radius-sm: 9px;
            --shadow-sm: 0 2px 10px rgba(13, 26, 51, .06);
            --shadow: 0 12px 34px rgba(13, 26, 51, .1);
            --shadow-lg: 0 26px 60px rgba(13, 26, 51, .16);
            --container: 1200px;
            --ease: cubic-bezier(.22, .68, .35, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color .25s var(--ease), background .25s var(--ease), border-color .25s var(--ease), transform .25s var(--ease), box-shadow .25s var(--ease);
        }

        button {
            font-family: inherit;
            border: none;
            background: none;
            cursor: pointer;
        }

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

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            border: 2px solid transparent;
            transition: all .3s var(--ease);
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 8px 22px rgba(255, 106, 61, .32);
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255, 106, 61, .42);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, .65);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, .12);
            border-color: #fff;
        }
        .btn-dark {
            background: var(--primary);
            color: #fff;
        }
        .btn-dark:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 18px rgba(0, 0, 0, .12);
        }
        .btn-light:hover {
            background: #f1f4fa;
            transform: translateY(-2px);
        }

        /* ===== 标签徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
        }
        .badge-accent {
            background: var(--accent-soft);
            color: var(--accent-dark);
        }
        .badge-primary {
            background: rgba(255, 255, 255, .16);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .25);
        }
        .badge-teal {
            background: rgba(46, 196, 182, .14);
            color: #0b8a7e;
        }

        /* ===== 顶部快讯条 ===== */
        .ticker-bar {
            background: var(--primary);
            color: #fff;
            padding: 10px 0;
            font-size: 13px;
        }
        .ticker-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .ticker-pill {
            background: var(--accent);
            border-radius: 999px;
            padding: 3px 14px;
            font-weight: 700;
            font-size: 12px;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .ticker-message {
            color: rgba(255, 255, 255, .88);
            flex: 1;
            min-width: 200px;
        }
        .ticker-link {
            color: var(--gold);
            font-weight: 600;
            white-space: nowrap;
        }
        .ticker-link:hover {
            color: #fff;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 14px rgba(20, 33, 61, .05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 76px;
            flex-wrap: nowrap;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.4px;
            color: var(--primary);
            white-space: nowrap;
            display: inline-flex;
            align-items: baseline;
        }
        .brand-logo em {
            font-style: normal;
            color: var(--accent);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 5px;
            background: #f1f4fa;
            border-radius: 999px;
            padding: 5px;
            overflow-x: auto;
            scrollbar-width: none;
        }
        .main-nav::-webkit-scrollbar {
            display: none;
        }
        .main-nav .nav-link {
            display: block;
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-2);
            white-space: nowrap;
            transition: background .25s var(--ease), color .25s var(--ease);
        }
        .main-nav .nav-link:hover {
            color: var(--primary);
            background: rgba(20, 33, 61, .07);
        }
        .main-nav .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(20, 33, 61, .22);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .header-cta {
            padding: 10px 24px;
            font-size: 14px;
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: #f1f4fa;
            padding: 10px;
        }
        .menu-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
            transition: transform .3s var(--ease), opacity .3s var(--ease);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            gap: 4px;
            padding: 8px 24px 22px;
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .mobile-nav .nav-link {
            display: block;
            padding: 12px 18px;
            border-radius: 12px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-2);
        }
        .mobile-nav .nav-link.active {
            background: var(--primary);
            color: #fff;
        }
        .mobile-nav .nav-link:hover {
            background: #f1f4fa;
            color: var(--primary);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            background: linear-gradient(132deg, rgba(8, 15, 30, .93) 0%, rgba(16, 27, 50, .82) 55%, rgba(20, 33, 61, .7) 100%), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            color: #fff;
            padding: 96px 0 100px;
            overflow: hidden;
        }
        .hero::after {
            content: "";
            position: absolute;
            right: -120px;
            top: -80px;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 106, 61, .22), transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-sub {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: .5px;
            margin-bottom: 20px;
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 7px 18px;
            border-radius: 999px;
        }
        .hero h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.22;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero h1 .highlight {
            color: var(--accent);
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, .82);
            max-width: 640px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-meta {
            display: flex;
            gap: 26px;
            margin-top: 42px;
            flex-wrap: wrap;
        }
        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .72);
        }
        .hero-meta-item i {
            font-style: normal;
            color: var(--gold);
        }
        .trend-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .18);
            border-radius: var(--radius-lg);
            padding: 28px 28px 22px;
            backdrop-filter: blur(14px);
            box-shadow: 0 20px 40px rgba(0, 0, 0, .22);
        }
        .trend-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .trend-card ol {
            list-style: none;
            counter-reset: trend;
        }
        .trend-card ol li {
            counter-increment: trend;
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            font-size: 14px;
            color: rgba(255, 255, 255, .82);
        }
        .trend-card ol li:last-child {
            border: none;
        }
        .trend-card ol li::before {
            content: counter(trend, decimal-leading-zero);
            font-weight: 800;
            font-size: 15px;
            color: var(--gold);
            min-width: 22px;
        }
        .trend-card ol li strong {
            color: #fff;
            font-weight: 600;
            flex: 1;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .trend-card ol li em {
            font-style: normal;
            font-size: 12px;
            background: rgba(255, 255, 255, .12);
            padding: 2px 8px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .trend-link {
            display: inline-block;
            margin-top: 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--gold);
        }
        .trend-link:hover {
            color: #fff;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: #fff;
        }
        .section-head {
            max-width: 760px;
            margin-bottom: 46px;
        }
        .section-head .section-sub {
            display: inline-block;
            font-size: 13px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .section-head p {
            margin-top: 14px;
            font-size: 16px;
            color: var(--text-2);
            line-height: 1.8;
        }
        .section-head.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        /* ===== 社区概览 ===== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 54px;
            align-items: center;
        }
        .intro-copy .lead {
            font-size: 17px;
            color: var(--text-2);
            margin-bottom: 22px;
            line-height: 1.9;
        }
        .intro-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-top: 24px;
        }
        .intro-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--text);
        }
        .intro-list li::before {
            content: "✓";
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--teal);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            flex-shrink: 0;
            margin-top: 3px;
        }
        .intro-visual {
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--shadow-lg);
        }
        .intro-visual img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .intro-visual .visual-tag {
            position: absolute;
            left: 20px;
            bottom: 20px;
            background: rgba(13, 20, 38, .72);
            backdrop-filter: blur(10px);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 10px 16px;
            border-radius: 999px;
        }

        /* ===== 社区版块卡片 ===== */
        .community-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .community-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: transform .3s var(--ease), box-shadow .3s var(--ease), border-color .3s var(--ease);
            display: flex;
            flex-direction: column;
        }
        .community-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 106, 61, .4);
        }
        .community-card .card-img {
            height: 168px;
            overflow: hidden;
            position: relative;
        }
        .community-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s var(--ease);
        }
        .community-card:hover .card-img img {
            transform: scale(1.06);
        }
        .community-card .card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 60%, rgba(13, 20, 38, .35));
        }
        .community-card .card-body {
            padding: 22px 24px 26px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .community-card .card-tags {
            display: flex;
            gap: 6px;
            margin-bottom: 10px;
            flex-wrap: wrap;
        }
        .community-card .card-tags span {
            font-size: 11px;
            font-weight: 600;
            background: var(--bg);
            color: var(--text-2);
            padding: 3px 10px;
            border-radius: 999px;
        }
        .community-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .community-card p {
            font-size: 14px;
            color: var(--text-2);
            line-height: 1.7;
            flex: 1;
        }
        .community-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 14px;
            font-weight: 700;
            color: var(--accent);
        }
        .community-card .card-link:hover {
            color: var(--accent-dark);
            gap: 10px;
        }

        /* ===== 热门话题 ===== */
        .topic-section {
            background: linear-gradient(135deg, #fff, #f5f7fb);
        }
        .topic-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .topic-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 18px;
            padding: 20px 24px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            transition: border-color .25s var(--ease), box-shadow .25s var(--ease), transform .25s var(--ease);
        }
        .topic-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
            transform: translateX(4px);
        }
        .topic-info {
            flex: 1;
            min-width: 0;
        }
        .topic-info .topic-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 6px;
        }
        .topic-info h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }
        .topic-info .topic-meta {
            font-size: 13px;
            color: var(--text-3);
            margin-top: 4px;
        }
        .topic-stats {
            text-align: right;
            flex-shrink: 0;
        }
        .topic-stats strong {
            display: block;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .topic-stats span {
            font-size: 12px;
            color: var(--text-3);
        }
        .topic-more {
            margin-top: 34px;
            text-align: center;
        }

        /* ===== 统计 ===== */
        .stats-section {
            position: relative;
            background: linear-gradient(120deg, rgba(10, 17, 32, .94), rgba(16, 27, 50, .9)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            padding: 80px 0;
        }
        .stats-head {
            text-align: center;
            margin-bottom: 48px;
        }
        .stats-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
        }
        .stats-head p {
            color: rgba(255, 255, 255, .72);
            margin-top: 10px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-item {
            text-align: center;
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--radius-lg);
            padding: 34px 20px;
            transition: background .3s var(--ease), transform .3s var(--ease);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }
        .stat-item .num {
            font-size: 46px;
            font-weight: 800;
            color: var(--gold);
            line-height: 1;
        }
        .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, .72);
            margin-top: 12px;
        }

        /* ===== 社区公约 ===== */
        .rules-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .rule-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            text-align: center;
            transition: transform .3s var(--ease), box-shadow .3s var(--ease);
        }
        .rule-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .rule-card .rule-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--accent);
            background: var(--accent-soft);
            width: 54px;
            height: 54px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .rule-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .rule-card p {
            font-size: 13px;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color .3s var(--ease), box-shadow .3s var(--ease);
        }
        .faq-item.open {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            transition: color .25s var(--ease);
        }
        .faq-q:hover {
            color: var(--accent-dark);
        }
        .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: var(--accent);
            transition: transform .35s var(--ease), background .3s var(--ease);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--accent);
            color: #fff;
        }
        .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s var(--ease);
        }
        .faq-item.open .faq-a {
            max-height: 300px;
        }
        .faq-a p {
            padding: 0 24px 22px;
            color: var(--text-2);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(120deg, rgba(10, 17, 32, .94), rgba(16, 27, 50, .88)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            padding: 78px 0;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .78);
            font-size: 16px;
            max-width: 560px;
            margin: 16px auto 34px;
            line-height: 1.8;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0d1524;
            color: rgba(255, 255, 255, .62);
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 44px;
            padding: 58px 24px 40px;
        }
        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
        }
        .footer-brand p {
            margin-top: 14px;
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, .5);
            max-width: 360px;
        }
        .footer-links h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-links a {
            display: block;
            padding: 6px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: color .25s var(--ease), padding-left .25s var(--ease);
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 10px;
            line-height: 1.7;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .09);
            padding: 20px 0;
        }
        .footer-bottom .container {
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .38);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .community-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .rules-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero h1 {
                font-size: 40px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 64px 0;
            }
            .main-nav {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .header-cta {
                display: none;
            }
            .header-inner {
                min-height: 64px;
            }
            .mobile-nav.open {
                display: flex;
            }
            .hero {
                padding: 68px 0;
            }
            .hero h1 {
                font-size: 32px;
            }
            .topic-list {
                grid-template-columns: 1fr;
            }
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 36px;
                padding: 44px 24px 30px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .stats-head h2 {
                font-size: 28px;
            }
            .cta-section h2 {
                font-size: 30px;
            }
            .ticker-inner {
                gap: 8px;
            }
            .ticker-message {
                min-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }
            .community-grid,
            .stats-grid,
            .rules-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 27px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .brand-logo {
                font-size: 18px;
            }
            .section {
                padding: 52px 0;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .topic-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .topic-stats {
                text-align: left;
            }
            .stat-item .num {
                font-size: 36px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .intro-visual img {
                height: 280px;
            }
        }