/* roulang page: index */
:root {
  --primary: #ff5e2b;
  --primary-hover: #ff7a45;
  --primary-soft: rgba(255,94,43,.14);
  --secondary: #00e5ff;
  --accent: #ffc947;
  --bg-darker: #090d18;
  --bg-dark: #0e1424;
  --bg-card: #151d31;
  --bg-card-hover: #1b2540;
  --bg-soft: #f5f7fb;
  --text-light: #f0f4fa;
  --text-body: #a9b4cc;
  --text-muted: #7b8699;
  --border: rgba(255,255,255,.08);
  --border-light: rgba(255,255,255,.14);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 30px;
  --shadow-card: 0 10px 30px rgba(0,0,0,.28);
  --shadow-hover: 0 16px 44px rgba(0,0,0,.38);
  --shadow-primary: 0 8px 24px rgba(255,94,43,.28);
  --container: 1200px;
  --header-brand: 76px;
  --header-channel: 52px;
}

*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: "PingFang SC","Microsoft YaHei","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  background: var(--bg-darker);
  color: var(--text-light);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img { max-width:100%; display:block; }
a { text-decoration:none; color:inherit; transition:color .25s; }
ul,ol { list-style:none; }
button,input,select,textarea { font:inherit; border:none; outline:none; }
button { cursor:pointer; background:none; }
i,em { font-style:normal; }

.container { max-width:var(--container); margin:0 auto; padding:0 24px; }
.flex-between { display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; }
.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:11px 24px; border-radius:999px; font-weight:600; font-size:15px;
  line-height:1.4; letter-spacing:.02em; cursor:pointer;
  transition:all .3s ease; white-space:nowrap; border:1px solid transparent;
}
.btn-primary {
  background:linear-gradient(135deg,var(--primary),#f84d1b);
  color:#fff; box-shadow:var(--shadow-primary);
}
.btn-primary:hover { background:linear-gradient(135deg,#ff7045,#ff5e2b); transform:translateY(-2px); box-shadow:0 12px 30px rgba(255,94,43,.38); }
.btn-primary:active { transform:translateY(0) scale(.98); box-shadow:0 4px 14px rgba(255,94,43,.3); }
.btn-ghost {
  background:rgba(255,255,255,.04); border-color:var(--border-light);
  color:var(--text-light); backdrop-filter:blur(6px);
}
.btn-ghost:hover { background:rgba(255,255,255,.12); border-color:rgba(255,255,255,.25); transform:translateY(-2px); }
.btn-outline { background:transparent; border-color:var(--border-light); color:var(--text-light); }
.btn-outline:hover { border-color:var(--primary); color:var(--primary); background:var(--primary-soft); transform:translateY(-2px); }
.btn-light { background:#fff; color:#10182b; }
.btn-light:hover { background:#eef1f8; transform:translateY(-2px); }
.btn-lg { padding:15px 36px; font-size:16px; }

.section { padding:88px 0; position:relative; }
.section-head { text-align:center; max-width:640px; margin:0 auto 52px; }
.section-tag {
  display:inline-flex; align-items:center; gap:6px;
  font-size:13px; font-weight:700; letter-spacing:.12em;
  color:var(--primary); background:var(--primary-soft);
  padding:6px 16px; border-radius:999px; margin-bottom:14px;
}
.section-tag.light { color:var(--primary); background:rgba(255,94,43,.12); }
.section-title { font-size:34px; font-weight:800; line-height:1.3; letter-spacing:-.01em; color:#fff; }
.section-desc { margin-top:14px; color:var(--text-body); font-size:16px; }
.section-title + .section-desc { margin-top:10px; }

/* ===== Header 杂志频道导航 ===== */
.site-header {
  position:sticky; top:0; z-index:100;
  background:rgba(13,18,34,.86);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}
.brand-row { background:rgba(9,13,24,.55); border-bottom:1px solid rgba(255,255,255,.04); }
.brand-inner { height:var(--header-brand); display:flex; align-items:center; gap:24px; }
.brand-logo { display:inline-flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-mark {
  width:38px; height:38px; border-radius:10px;
  background:linear-gradient(135deg,var(--primary),#ff8a2b);
  display:flex; align-items:center; justify-content:center;
  font-weight:900; font-size:20px; color:#fff;
  box-shadow:0 4px 16px rgba(255,94,43,.35);
}
.logo-text { font-size:20px; font-weight:800; letter-spacing:.01em; color:#fff; line-height:1.2; }
.logo-text span { display:block; font-size:11px; font-weight:600; letter-spacing:.18em; color:var(--primary); margin-top:1px; }
.header-search { flex:1; max-width:420px; margin-left:auto; display:flex; align-items:center; background:rgba(255,255,255,.06); border:1px solid var(--border); border-radius:999px; padding:4px 6px 4px 18px; transition:border-color .3s; }
.header-search:focus-within { border-color:var(--primary); background:rgba(255,255,255,.09); }
.header-search input { flex:1; background:transparent; color:var(--text-light); font-size:14px; padding:8px 0; min-width:0; }
.header-search input::placeholder { color:var(--text-muted); }
.header-search button { width:36px; height:36px; border-radius:50%; background:var(--primary); color:#fff; display:flex; align-items:center; justify-content:center; transition:background .3s; flex-shrink:0; }
.header-search button:hover { background:var(--primary-hover); }
.header-actions { display:flex; align-items:center; gap:12px; flex-shrink:0; }
.header-actions .btn { padding:9px 20px; font-size:14px; }
.mobile-toggle { display:none; width:40px; height:40px; border-radius:10px; background:rgba(255,255,255,.06); color:var(--text-light); font-size:17px; align-items:center; justify-content:center; }

.channel-row { background:rgba(13,18,34,.95); }
.channel-nav { display:flex; align-items:center; gap:4px; height:var(--header-channel); overflow-x:auto; scrollbar-width:none; }
.channel-nav::-webkit-scrollbar { display:none; }
.nav-link {
  position:relative; display:inline-flex; align-items:center; gap:6px;
  height:36px; padding:0 18px; border-radius:999px;
  font-size:14px; font-weight:600; color:var(--text-body);
  white-space:nowrap; transition:all .3s ease;
}
.nav-link i { font-size:13px; opacity:.8; }
.nav-link:hover { color:var(--text-light); background:rgba(255,255,255,.06); }
.nav-link.active { color:#fff; background:linear-gradient(135deg,rgba(255,94,43,.22),rgba(255,94,43,.08)); }
.nav-link.active::after {
  content:""; position:absolute; left:18px; right:18px; bottom:-9px;
  height:3px; border-radius:3px; background:var(--primary);
}

/* ===== Hero ===== */
.hero {
  position:relative; min-height:640px; display:flex; align-items:center;
  background-size:cover; background-position:center; overflow:hidden;
}
.hero::before {
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(90deg,rgba(9,13,24,.96) 0%,rgba(9,13,24,.78) 46%,rgba(9,13,24,.38) 100%),
    linear-gradient(180deg,rgba(9,13,24,.25) 0%,rgba(9,13,24,0) 40%,rgba(9,13,24,.7) 100%);
}
.hero::after {
  content:""; position:absolute; right:-120px; bottom:-120px; width:420px; height:420px;
  background:radial-gradient(circle,rgba(0,229,255,.14) 0%,transparent 70%);
  border-radius:50%; pointer-events:none;
}
.hero-inner { position:relative; z-index:2; padding:72px 24px; width:100%; max-width:var(--container); margin:0 auto; }
.hero-content { max-width:680px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  padding:8px 18px; border-radius:999px;
  background:rgba(255,94,43,.14); border:1px solid rgba(255,94,43,.35);
  color:var(--primary); font-size:13px; font-weight:700; letter-spacing:.06em;
  margin-bottom:22px; backdrop-filter:blur(4px);
}
.hero-title { font-size:56px; font-weight:900; line-height:1.12; letter-spacing:-.02em; color:#fff; margin-bottom:20px; }
.hero-title .grad {
  background:linear-gradient(120deg,var(--primary),var(--accent));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-desc { font-size:17px; line-height:1.85; color:var(--text-body); max-width:560px; margin-bottom:30px; }
.hero-actions { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:42px; }
.hero-stats { display:flex; gap:0; border-top:1px solid var(--border-light); padding-top:28px; max-width:620px; }
.stat-item { flex:1; padding:0 24px; border-right:1px solid var(--border-light); }
.stat-item:first-child { padding-left:0; }
.stat-item:last-child { border-right:none; padding-right:0; }
.stat-num { display:block; font-size:30px; font-weight:800; color:#fff; line-height:1.2; }
.stat-label { font-size:13px; color:var(--text-muted); margin-top:4px; display:block; }

/* ===== 核心力量 ===== */
.feature-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:24px; }
.feature-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:34px 28px; position:relative; overflow:hidden;
  transition:all .35s ease;
}
.feature-card::before {
  content:""; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  opacity:0; transition:opacity .35s;
}
.feature-card:hover { background:var(--bg-card-hover); transform:translateY(-6px); box-shadow:var(--shadow-hover); }
.feature-card:hover::before { opacity:1; }
.feature-icon {
  width:56px; height:56px; border-radius:16px;
  display:flex; align-items:center; justify-content:center;
  font-size:22px; color:var(--icon,#ff5e2b);
  background:color-mix(in srgb,var(--icon,#ff5e2b) 14%,transparent);
  margin-bottom:20px;
}
.feature-card h3 { font-size:19px; font-weight:700; color:#fff; margin-bottom:10px; }
.feature-card p { font-size:14px; line-height:1.75; color:var(--text-body); }

/* ===== 分类入口 ===== */
.section-categories { background:var(--bg-dark); }
.category-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.category-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg);
  overflow:hidden; transition:all .35s ease; display:flex; flex-direction:column;
}
.category-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-hover); border-color:var(--border-light); }
.category-media { height:190px; overflow:hidden; position:relative; }
.category-media img { width:100%; height:100%; object-fit:cover; transition:transform .6s ease; }
.category-card:hover .category-media img { transform:scale(1.06); }
.category-media::after { content:""; position:absolute; inset:0; background:linear-gradient(180deg,transparent 40%,rgba(13,18,34,.55)); }
.category-body { padding:24px 26px 26px; display:flex; flex-direction:column; flex:1; }
.category-tag {
  align-self:flex-start; display:inline-flex; align-items:center;
  font-size:12px; font-weight:700; padding:4px 13px; border-radius:999px;
  background:var(--primary-soft); color:var(--primary); margin-bottom:12px;
}
.category-body h3 { font-size:22px; font-weight:800; color:#fff; margin-bottom:8px; }
.category-body p { font-size:14px; color:var(--text-body); line-height:1.75; margin-bottom:18px; flex:1; }
.category-link {
  color:var(--secondary); font-weight:600; font-size:14px;
  display:inline-flex; align-items:center; gap:8px; transition:gap .3s;
}
.category-link i { transition:transform .3s; }
.category-card:hover .category-link { gap:12px; }
.category-card:hover .category-link i { transform:translateX(4px); }

/* ===== 最新资讯 ===== */
.section-news { background:var(--bg-darker); }
.news-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.news-card {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:26px 26px 24px; display:flex; flex-direction:column;
  transition:all .35s ease; position:relative; overflow:hidden;
}
.news-card::after {
  content:""; position:absolute; right:-40px; top:-40px; width:100px; height:100px;
  border-radius:50%; background:radial-gradient(circle,rgba(255,94,43,.1),transparent 70%);
  pointer-events:none;
}
.news-card:hover { background:var(--bg-card-hover); transform:translateY(-5px); box-shadow:var(--shadow-hover); }
.news-card-top { display:flex; align-items:center; justify-content:space-between; margin-bottom:14px; gap:10px; }
.news-badge {
  display:inline-flex; align-items:center; gap:4px;
  font-size:12px; font-weight:700; color:var(--secondary);
  background:rgba(0,229,255,.1); padding:4px 13px; border-radius:999px;
}
.news-time { font-size:13px; color:var(--text-muted); }
.news-title { font-size:18px; font-weight:700; line-height:1.5; color:#fff; margin-bottom:10px; }
.news-title a { color:inherit; }
.news-title a:hover { color:var(--primary); }
.news-excerpt {
  font-size:14px; color:var(--text-body); line-height:1.75;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical;
  overflow:hidden; margin-bottom:16px; flex:1;
}
.news-more {
  color:var(--text-muted); font-size:13px; font-weight:600;
  display:inline-flex; align-items:center; gap:6px;
}
.news-more:hover { color:var(--primary); gap:10px; }
.news-more i { transition:transform .3s; }
.news-more:hover i { transform:translateX(3px); }
.empty-tip {
  grid-column:1/-1; text-align:center; padding:48px 24px;
  background:var(--bg-card); border:1px dashed var(--border-light);
  border-radius:var(--radius-lg); color:var(--text-muted); font-size:16px;
}

/* ===== 数据面板 ===== */
.section-stats {
  background-size:cover; background-position:center; position:relative;
}
.section-stats::before { content:""; position:absolute; inset:0; background:rgba(9,13,24,.82); }
.stats-panel { position:relative; z-index:2; }
.stats-main {
  background:linear-gradient(135deg,rgba(21,29,49,.94),rgba(14,20,36,.94));
  border:1px solid var(--border-light); border-radius:var(--radius-xl);
  padding:48px; backdrop-filter:blur(8px);
}
.stats-head { text-align:center; margin-bottom:40px; }
.stats-head h2 { font-size:32px; font-weight:800; color:#fff; margin-bottom:10px; }
.stats-head p { color:var(--text-body); font-size:15px; }
.stats-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.stats-box {
  text-align:center; background:rgba(255,255,255,.04);
  border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:30px 16px; transition:all .3s;
}
.stats-box:hover { background:rgba(255,255,255,.08); transform:translateY(-4px); }
.stats-box strong { display:block; font-size:36px; font-weight:800; background:linear-gradient(120deg,var(--primary),var(--accent)); -webkit-background-clip:text; background-clip:text; color:transparent; line-height:1.2; }
.stats-box span { font-size:13px; color:var(--text-body); }

/* ===== 流程 ===== */
.process-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:28px; }
.process-step {
  position:relative; text-align:center; background:var(--bg-card);
  border:1px solid var(--border); border-radius:var(--radius-lg);
  padding:44px 28px 36px; transition:all .35s;
}
.process-step:hover { background:var(--bg-card-hover); transform:translateY(-5px); box-shadow:var(--shadow-hover); }
.step-num {
  position:absolute; top:18px; right:22px;
  font-size:42px; font-weight:900; line-height:1;
  color:rgba(255,255,255,.06); pointer-events:none;
}
.step-icon {
  width:64px; height:64px; margin:0 auto 20px; border-radius:18px;
  background:linear-gradient(135deg,var(--primary-soft),rgba(0,229,255,.1));
  color:var(--primary); font-size:24px;
  display:flex; align-items:center; justify-content:center;
}
.process-step:nth-child(2) .step-icon { color:var(--secondary); background:linear-gradient(135deg,rgba(0,229,255,.14),rgba(255,94,43,.06)); }
.process-step:nth-child(3) .step-icon { color:var(--accent); background:linear-gradient(135deg,rgba(255,201,71,.14),rgba(0,229,255,.06)); }
.process-step h3 { font-size:20px; font-weight:700; color:#fff; margin-bottom:10px; }
.process-step p { font-size:14px; color:var(--text-body); line-height:1.75; max-width:280px; margin:0 auto; }

/* ===== 热门专题 ===== */
.section-featured {
  background-size:cover; background-position:center; position:relative;
}
.section-featured::before { content:""; position:absolute; inset:0; background:rgba(9,13,24,.86); }
.section-featured .container { position:relative; z-index:2; }
.featured-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.featured-card {
  position:relative; border-radius:var(--radius-lg); overflow:hidden;
  height:260px; display:block; transition:all .4s ease;
}
.featured-card:hover { transform:translateY(-6px); box-shadow:var(--shadow-hover); }
.featured-card img { width:100%; height:100%; object-fit:cover; transition:transform .6s ease; }
.featured-card:hover img { transform:scale(1.06); }
.featured-overlay {
  position:absolute; inset:0; z-index:2;
  display:flex; flex-direction:column; justify-content:flex-end;
  padding:24px; background:linear-gradient(180deg,transparent 30%,rgba(9,13,24,.92) 100%);
}
.featured-tag {
  align-self:flex-start; font-size:12px; font-weight:700; color:#fff;
  background:var(--primary); padding:4px 14px; border-radius:999px; margin-bottom:10px;
}
.featured-overlay h3 { color:#fff; font-size:19px; font-weight:700; line-height:1.5; }
.featured-overlay p { color:var(--text-body); font-size:13px; margin-top:6px; }

/* ===== FAQ ===== */
.section-faq { background:var(--bg-dark); }
.faq-list { max-width:820px; margin:0 auto; display:flex; flex-direction:column; gap:14px; }
.faq-item {
  background:var(--bg-card); border:1px solid var(--border); border-radius:var(--radius-md);
  transition:all .3s ease; overflow:hidden;
}
.faq-item:hover { border-color:var(--border-light); background:var(--bg-card-hover); }
.faq-item summary {
  cursor:pointer; list-style:none; padding:20px 24px;
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  font-size:16px; font-weight:600; color:#fff;
}
.faq-item summary::-webkit-details-marker { display:none; }
.faq-item summary::after {
  content:"\f078"; font-family:"Font Awesome 6 Free"; font-weight:900;
  color:var(--text-muted); font-size:13px; transition:transform .3s; flex-shrink:0;
}
.faq-item[open] summary::after { transform:rotate(180deg); color:var(--primary); }
.faq-item[open] { border-color:rgba(255,94,43,.25); }
.faq-answer { padding:0 24px 22px; }
.faq-answer p { color:var(--text-body); font-size:15px; line-height:1.85; }

/* ===== CTA ===== */
.section-cta { padding:88px 0; position:relative; }
.cta-banner {
  position:relative; border-radius:var(--radius-xl); overflow:hidden;
  background:url('/assets/images/backpic/back-3.png') center/cover no-repeat;
  padding:72px 56px; text-align:center;
}
.cta-banner::before { content:""; position:absolute; inset:0; background:linear-gradient(135deg,rgba(255,94,43,.88),rgba(247,77,27,.78)); }
.cta-content { position:relative; z-index:2; max-width:600px; margin:0 auto; }
.cta-content h2 { font-size:38px; font-weight:900; color:#fff; margin-bottom:14px; letter-spacing:-.01em; }
.cta-content p { font-size:16px; color:rgba(255,255,255,.9); margin-bottom:28px; }
.cta-actions { display:flex; gap:14px; justify-content:center; flex-wrap:wrap; }
.cta-actions .btn-light { color:#f84d1b; }

/* ===== 页脚 ===== */
.site-footer { background:#070b13; border-top:1px solid var(--border); padding-top:64px; }
.footer-inner { display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:48px; padding-bottom:48px; }
.footer-brand .brand-logo { margin-bottom:14px; }
.footer-brand p { font-size:14px; color:var(--text-muted); line-height:1.8; max-width:340px; }
.footer-col h4 { font-size:16px; font-weight:700; color:#fff; margin-bottom:18px; position:relative; padding-bottom:10px; }
.footer-col h4::after { content:""; position:absolute; left:0; bottom:0; width:24px; height:3px; border-radius:3px; background:var(--primary); }
.footer-col a {
  display:flex; align-items:center; gap:8px; color:var(--text-muted);
  font-size:14px; line-height:1.8; margin-bottom:6px;
}
.footer-col a:hover { color:var(--primary); }
.footer-col a i { font-size:11px; opacity:.6; }
.footer-col p { color:var(--text-muted); font-size:14px; line-height:1.8; margin-bottom:6px; }
.footer-col p i { margin-right:6px; color:var(--primary); width:16px; }
.footer-bottom {
  border-top:1px solid var(--border); padding:20px 0;
  text-align:center; font-size:13px; color:var(--text-muted);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .feature-grid { grid-template-columns:repeat(2,1fr); }
  .category-grid { grid-template-columns:repeat(3,1fr); gap:16px; }
  .category-media { height:150px; }
  .news-grid { grid-template-columns:repeat(2,1fr); gap:18px; }
  .featured-grid { grid-template-columns:repeat(2,1fr); }
  .hero-title { font-size:46px; }
  .brand-inner { gap:16px; }
  .header-search { max-width:300px; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:14px; }
  .footer-inner { grid-template-columns:1fr 1fr; gap:32px; }
}

@media (max-width: 768px) {
  .section { padding:64px 0; }
  .section-title { font-size:28px; }
  .hero { min-height:560px; }
  .hero-title { font-size:38px; }
  .hero-desc { font-size:15px; }
  .header-search { display:none; }
  .brand-logo .logo-text span { letter-spacing:.12em; }
  .mobile-toggle { display:flex; }
  .channel-nav { height:46px; gap:2px; }
  .nav-link { height:34px; padding:0 14px; font-size:13px; }
  .category-grid { grid-template-columns:1fr; gap:16px; }
  .category-media { height:200px; }
  .news-grid { grid-template-columns:1fr; gap:16px; }
  .news-card { padding:22px 20px; }
  .featured-grid { grid-template-columns:1fr; gap:18px; }
  .featured-card { height:220px; }
  .process-grid { grid-template-columns:1fr; gap:18px; max-width:420px; margin:0 auto; }
  .stats-grid { grid-template-columns:repeat(2,1fr); }
  .stats-main { padding:32px 20px; }
  .stats-box strong { font-size:30px; }
  .cta-banner { padding:56px 28px; }
  .cta-content h2 { font-size:30px; }
  .hero-stats { flex-direction:column; gap:16px; }
  .stat-item { padding:0; border:none; border-bottom:1px solid var(--border-light); padding-bottom:14px; }
  .stat-item:last-child { border-bottom:none; padding-bottom:0; }
  .footer-inner { grid-template-columns:1fr; gap:36px; }
  .flex-between { flex-direction:column; align-items:flex-start; }
}

@media (max-width: 520px) {
  .container { padding:0 18px; }
  .hero-title { font-size:32px; }
  .hero-inner { padding:48px 18px; }
  .hero-actions .btn { width:100%; }
  .hero-stats { margin-top:4px; }
  .brand-inner { height:64px; }
  .logo-mark { width:32px; height:32px; font-size:17px; }
  .logo-text { font-size:17px; }
  .header-actions .btn { display:none; }
  .section { padding:52px 0; }
  .section-title { font-size:24px; }
  .feature-grid { grid-template-columns:1fr; }
  .stats-box { padding:22px 10px; }
  .stats-box strong { font-size:26px; }
  .featured-card { height:190px; }
  .faq-item summary { font-size:15px; padding:16px 18px; }
  .faq-answer { padding:0 18px 18px; }
  .cta-banner { padding:46px 20px; }
  .cta-content h2 { font-size:26px; }
  .footer-bottom { font-size:12px; }
}

:focus-visible {
  outline:2px solid var(--secondary);
  outline-offset:3px;
  border-radius:4px;
}

/* roulang page: category1 */
/* ============ 设计变量 ============ */
:root {
  --primary: #e63946;
  --primary-dark: #b02a37;
  --primary-light: #ff6b6b;
  --accent: #f0b90b;
  --accent-light: #ffd75e;
  --dark: #0b0f19;
  --dark-2: #111827;
  --dark-3: #1a2332;
  --bg: #f4f6fb;
  --surface: #ffffff;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-xs: 8px;
  --shadow: 0 8px 30px rgba(2, 12, 27, 0.08);
  --shadow-lg: 0 18px 50px rgba(2, 12, 27, 0.16);
  --transition: all .3s cubic-bezier(.25, .46, .45, .94);
  --container: 1240px;
}

/* ============ Reset / Base ============ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

ul,
ol {
  list-style: none;
}

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

/* ============ Header ============ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--dark);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.brand-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 0;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  font-size: 22px;
  font-weight: 900;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}

.logo-text em {
  font-style: normal;
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 2px;
  line-height: 1.2;
}

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

.header-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 999px;
  padding: 4px 6px 4px 18px;
  transition: var(--transition);
  width: 280px;
}

.header-search:focus-within {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.13);
}

.header-search input {
  flex: 1;
  background: transparent;
  color: #fff;
  font-size: 14px;
}

.header-search input::placeholder {
  color: rgba(255, 255, 255, 0.45);
}

.header-search button {
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  border-radius: 50%;
  font-size: 14px;
  transition: var(--transition);
}

.header-search button:hover {
  transform: scale(1.08);
}

.menu-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  color: #fff;
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}

.menu-toggle:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* ============ Channel Bar ============ */
.channel-bar {
  background: rgba(0, 0, 0, 0.25);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.channel-nav::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 10px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 15px;
  font-weight: 500;
  white-space: nowrap;
  transition: var(--transition);
}

.nav-link i {
  font-size: 14px;
  opacity: 0.85;
}

.nav-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.nav-link.active {
  color: #fff;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.85), rgba(240, 185, 11, 0.85));
  box-shadow: 0 4px 18px rgba(230, 57, 70, 0.3);
}

/* ============ Page Hero ============ */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(11, 15, 25, 0.92), rgba(17, 24, 39, 0.82)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 96px 0 72px;
  color: #fff;
  border-bottom: 3px solid var(--accent);
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 80%, rgba(230, 57, 70, 0.18), transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(240, 185, 11, 0.12), transparent 50%);
  pointer-events: none;
}

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

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(240, 185, 11, 0.18);
  border: 1px solid rgba(240, 185, 11, 0.4);
  color: var(--accent-light);
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.page-hero h1 {
  font-size: 48px;
  font-weight: 900;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

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

.page-hero p.hero-desc {
  font-size: 17px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 680px;
  margin-bottom: 32px;
  line-height: 1.8;
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.7);
}

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

.breadcrumb i {
  font-size: 12px;
  opacity: 0.5;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 48px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 24px 28px;
  backdrop-filter: blur(8px);
}

.hero-stat {
  text-align: center;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  padding: 0 12px;
}

.hero-stat:last-child {
  border-right: none;
}

.stat-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1.2;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 4px;
}

/* ============ Section ============ */
.section {
  padding: 88px 0;
}

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

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 48px;
}

.section-head .title-group {
  flex: 1;
}

.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 10px;
  padding: 4px 14px;
  background: rgba(230, 57, 70, 0.08);
  border-radius: 999px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--dark);
}

.section-head p {
  color: var(--text-muted);
  max-width: 560px;
  margin-top: 12px;
  line-height: 1.7;
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--primary);
  background: rgba(230, 57, 70, 0.06);
  padding: 10px 22px;
  border-radius: 999px;
  transition: var(--transition);
  white-space: nowrap;
  border: 1px solid rgba(230, 57, 70, 0.2);
}

.link-more:hover {
  background: var(--primary);
  color: #fff;
  transform: translateX(4px);
}

/* ============ News Cards ============ */
.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);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

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

.news-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

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

.news-card:hover .news-thumb img {
  transform: scale(1.06);
}

.news-thumb .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}

.badge {
  display: inline-block;
  background: rgba(230, 57, 70, 0.92);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 14px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}

.badge.badge-accent {
  background: linear-gradient(135deg, var(--accent), #ff9800);
  color: #111;
}

.badge.badge-dark {
  background: rgba(11, 15, 25, 0.85);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

.news-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--dark);
  transition: var(--transition);
}

.news-body h3 a:hover {
  color: var(--primary);
}

.news-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 16px;
}

.news-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  color: var(--text-muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

.news-meta i {
  margin-right: 5px;
  color: var(--primary);
  opacity: 0.7;
}

/* ============ Topic Section ============ */
.topic-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.topic-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 280px;
  background-size: cover;
  background-position: center;
  padding: 0;
  color: #fff;
  display: flex;
  align-items: flex-end;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.topic-card .overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 15, 25, 0.92) 0%, rgba(11, 15, 25, 0.45) 60%, rgba(11, 15, 25, 0.1) 100%);
  transition: var(--transition);
}

.topic-card:hover .overlay {
  background: linear-gradient(to top, rgba(11, 15, 25, 0.95) 0%, rgba(230, 57, 70, 0.35) 70%, rgba(11, 15, 25, 0.2) 100%);
}

.topic-content {
  position: relative;
  z-index: 2;
  padding: 32px;
  width: 100%;
}

.topic-content .badge {
  margin-bottom: 12px;
}

.topic-content h3 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: 1px;
}

.topic-content p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 18px;
}

.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.topic-tags span {
  font-size: 12px;
  background: rgba(255, 255, 255, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 3px 10px;
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.86);
}

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

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 26px;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary);
}

.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(230, 57, 70, 0.12), rgba(240, 185, 11, 0.12));
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary);
  transition: var(--transition);
}

.feature-card:hover .feature-icon {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  transform: rotate(8deg) scale(1.05);
}

.feature-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--dark);
}

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

/* ============ Stats Banner ============ */
.stats-banner {
  background: linear-gradient(135deg, rgba(11, 15, 25, 0.94), rgba(17, 24, 39, 0.9)), url('/assets/images/backpic/back-2.png') center/cover fixed no-repeat;
  color: #fff;
  padding: 80px 0;
  border-top: 3px solid var(--accent);
  border-bottom: 3px solid var(--accent);
}

.stats-banner .container {
  position: relative;
  z-index: 2;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  text-align: center;
}

.stats-grid .stat-item {
  padding: 20px;
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  transition: var(--transition);
}

.stats-grid .stat-item:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}

.stats-grid .stat-num {
  font-size: 40px;
  font-weight: 900;
  color: var(--accent-light);
  line-height: 1;
}

.stats-grid .stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 12px;
}

/* ============ Category Chips ============ */
.chip-section {
  background: var(--surface);
  padding: 64px 0;
  border-top: 1px solid var(--border);
}

.chip-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.chip-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  border-radius: 999px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
}

.chip-list a:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(230, 57, 70, 0.3);
}

.chip-list a i {
  font-size: 14px;
}

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

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.faq-q {
  padding: 22px 28px;
  font-size: 17px;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  position: relative;
  padding-right: 52px;
  transition: var(--transition);
}

.faq-q::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg);
  border-radius: 50%;
  color: var(--primary);
  font-size: 13px;
  transition: var(--transition);
}

.faq-item.active .faq-q::after {
  transform: translateY(-50%) rotate(180deg);
  background: var(--primary);
  color: #fff;
}

.faq-a {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s cubic-bezier(.25, .46, .45, .94), padding .4s ease;
}

.faq-item.active .faq-a {
  max-height: 300px;
  padding-bottom: 24px;
}

.faq-a p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.8;
  padding-top: 4px;
  border-top: 1px dashed var(--border);
  padding-top: 18px;
}

/* ============ CTA ============ */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--dark) 0%, var(--dark-3) 100%);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(230, 57, 70, 0.25), transparent 60%);
  border-radius: 50%;
}

.cta-section::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(240, 185, 11, 0.2), transparent 60%);
  border-radius: 50%;
}

.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
  color: #fff;
}

.cta-inner h2 {
  font-size: 36px;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-inner p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  line-height: 1.8;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 34px;
  font-size: 16px;
  font-weight: 600;
  border-radius: 999px;
  transition: var(--transition);
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 32px rgba(230, 57, 70, 0.5);
}

.btn-outline {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}

.btn-outline:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: #fff;
  transform: translateY(-3px);
}

/* ============ Footer ============ */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.72);
  border-top: 3px solid var(--primary);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding: 64px 0 48px;
}

.footer-brand .brand-logo {
  margin-bottom: 18px;
}

.footer-brand p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.58);
  margin-top: 16px;
  max-width: 340px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 12px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 36px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  border-radius: 999px;
}

.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
  transition: var(--transition);
}

.footer-col a i {
  font-size: 12px;
  color: var(--accent);
}

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

.footer-col p {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 0;
  font-size: 15px;
  color: rgba(255, 255, 255, 0.6);
}

.footer-col p i {
  color: var(--accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 22px 0;
  text-align: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.4);
}

/* ============ Responsive ============ */
@media (max-width: 1024px) {
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .feature-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .page-hero h1 {
    font-size: 38px;
  }
}

@media (max-width: 768px) {
  .header-search {
    display: none;
  }
  .menu-toggle {
    display: flex;
  }
  .channel-nav {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding: 6px 24px;
  }
  .nav-link {
    font-size: 14px;
    padding: 8px 14px;
  }
  .brand-row {
    padding: 14px 0;
  }
  .page-hero {
    padding: 68px 0 52px;
  }
  .page-hero h1 {
    font-size: 30px;
  }
  .page-hero p.hero-desc {
    font-size: 15px;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
    padding: 16px;
    gap: 10px;
  }
  .hero-stat {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 10px;
  }
  .hero-stat:nth-child(even) {
    border-left: 1px solid rgba(255, 255, 255, 0.08);
  }
  .stat-num {
    font-size: 24px;
  }
  .section {
    padding: 60px 0;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 32px;
  }
  .section-head h2 {
    font-size: 26px;
  }
  .topic-grid {
    grid-template-columns: 1fr;
  }
  .topic-content h3 {
    font-size: 22px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 0 32px;
  }
  .cta-inner h2 {
    font-size: 28px;
  }
}

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  .logo-text {
    font-size: 18px;
  }
  .logo-mark {
    width: 38px;
    height: 38px;
    font-size: 19px;
  }
  .news-grid,
  .feature-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .news-body {
    padding: 18px;
  }
  .news-body h3 {
    font-size: 16px;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .breadcrumb {
    font-size: 13px;
  }
  .stat-num {
    font-size: 28px;
  }
  .cta-btns {
    flex-direction: column;
    align-items: center;
  }
  .btn {
    width: 100%;
    justify-content: center;
  }
  .faq-q {
    font-size: 15px;
    padding: 18px 20px;
    padding-right: 44px;
  }
  .faq-a {
    padding: 0 20px;
  }
  .faq-item.active .faq-a {
    padding-bottom: 18px;
  }
  .chip-list a {
    padding: 9px 18px;
    font-size: 14px;
  }
}

/* roulang page: article */
:root {
  --primary: #e6b450;
  --primary-dark: #d19c2f;
  --primary-glow: rgba(230, 180, 80, 0.22);
  --secondary: #3b82f6;
  --accent: #f59e0b;
  --bg-deep: #080c16;
  --bg-body: #0b101d;
  --bg-card: #131a2c;
  --bg-card-hover: #18213a;
  --bg-soft: #0e1525;
  --text-main: #e9eef7;
  --text-strong: #f8fbff;
  --text-muted: #8b94a9;
  --text-dim: #5d6a80;
  --border: #1e2740;
  --border-light: #253050;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 18px 44px rgba(0, 0, 0, 0.45);
  --transition: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
  --font-main: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --container-w: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-body);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

button, input {
  font-family: inherit;
  font-size: inherit;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Button ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  background: linear-gradient(135deg, #f0c468 0%, var(--primary) 50%, var(--primary-dark) 100%);
  color: #16130a;
  font-weight: 700;
  font-size: 15px;
  padding: 13px 30px;
  border-radius: 50px;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 18px rgba(230, 180, 80, 0.28);
  transition: var(--transition);
  letter-spacing: 0.02em;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(230, 180, 80, 0.42);
  color: #111;
}
.btn-primary:active {
  transform: translateY(-1px);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  border: 1.5px solid rgba(230, 180, 80, 0.5);
  color: var(--primary);
  font-weight: 600;
  font-size: 14px;
  padding: 11px 26px;
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}
.btn-ghost:hover {
  background: var(--primary-glow);
  border-color: var(--primary);
  transform: translateY(-2px);
}

/* ===== Tag / Badge ===== */
.tag-item {
  display: inline-block;
  background: rgba(230, 180, 80, 0.12);
  border: 1px solid rgba(230, 180, 80, 0.22);
  color: var(--primary);
  font-size: 13px;
  padding: 5px 14px;
  border-radius: 30px;
  margin: 4px 6px 4px 0;
  transition: var(--transition);
}
.tag-item:hover {
  background: rgba(230, 180, 80, 0.22);
  border-color: rgba(230, 180, 80, 0.4);
}

/* ===== Header ===== */
.site-header {
  background: rgba(8, 12, 22, 0.97);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.site-topbar {
  padding: 14px 0;
  border-bottom: 1px solid rgba(30, 39, 64, 0.6);
}

.site-topbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, #f0c468, var(--primary-dark));
  color: #17130a;
  font-size: 22px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 12px;
  box-shadow: 0 4px 16px rgba(230, 180, 80, 0.3);
}

.logo-text {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-strong);
  letter-spacing: 0.01em;
  line-height: 1.2;
}
.logo-text span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  letter-spacing: 0.2em;
  margin-top: 2px;
}

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

.header-search-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50%;
  color: var(--text-muted);
  transition: var(--transition);
}
.header-search-btn:hover {
  color: var(--primary);
  border-color: rgba(230, 180, 80, 0.4);
  box-shadow: 0 0 14px rgba(230, 180, 80, 0.12);
}

.channel-nav-wrap {
  padding: 0;
  overflow: hidden;
}

.channel-nav {
  display: flex;
  gap: 4px;
  padding: 8px 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar {
  display: none;
}

.channel-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-muted);
  border-radius: 10px;
  border: 1px solid transparent;
  white-space: nowrap;
  transition: var(--transition);
}
.channel-nav .nav-link i {
  font-size: 14px;
  opacity: 0.75;
}
.channel-nav .nav-link:hover {
  color: var(--text-strong);
  background: rgba(19, 26, 44, 0.6);
  border-color: var(--border);
}
.channel-nav .nav-link.active {
  color: var(--primary);
  background: rgba(230, 180, 80, 0.1);
  border-color: rgba(230, 180, 80, 0.25);
}
.channel-nav .nav-link.active i {
  color: var(--primary);
  opacity: 1;
}

/* ===== Article Hero ===== */
.article-hero {
  position: relative;
  padding: 70px 0 56px;
  overflow: hidden;
  background: var(--bg-deep);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center center;
  opacity: 0.5;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 12, 22, 0.88) 0%, rgba(11, 16, 29, 0.85) 55%, var(--bg-body) 100%);
}

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

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 14px;
  color: var(--text-muted);
}
.breadcrumb a {
  color: var(--text-muted);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}
.breadcrumb a:hover {
  color: var(--primary);
  border-bottom-color: rgba(230, 180, 80, 0.4);
}
.breadcrumb-sep {
  color: var(--text-dim);
  font-size: 12px;
}
.breadcrumb-current {
  color: var(--text-main);
  font-weight: 500;
  max-width: 280px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-hero h1 {
  font-size: clamp(26px, 4vw, 40px);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.3;
  margin: 14px 0 18px;
  max-width: 860px;
  letter-spacing: 0.01em;
  text-shadow: 0 2px 20px rgba(0, 0, 0, 0.35);
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 6px;
}

.category-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: linear-gradient(135deg, rgba(230, 180, 80, 0.22), rgba(230, 180, 80, 0.08));
  border: 1px solid rgba(230, 180, 80, 0.35);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 30px;
  letter-spacing: 0.03em;
}

.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--text-muted);
  font-size: 14px;
}
.meta-item i {
  color: var(--text-dim);
  font-size: 13px;
}

/* ===== Article Body ===== */
.article-section {
  padding: 40px 0 20px;
}

.container-narrow {
  max-width: 880px;
}

.article-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px 48px 40px;
  box-shadow: var(--shadow-md);
}

.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-strong);
  margin: 2em 0 0.6em;
  padding-bottom: 8px;
  border-bottom: 2px solid rgba(230, 180, 80, 0.18);
}
.article-content h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--text-strong);
  margin: 1.8em 0 0.5em;
}
.article-content p {
  font-size: 16.5px;
  line-height: 1.95;
  margin: 0 0 1.4em;
  color: rgba(233, 238, 247, 0.93);
}
.article-content p:last-child {
  margin-bottom: 0;
}
.article-content ul,
.article-content ol {
  margin: 0 0 1.5em;
  padding-left: 24px;
}
.article-content ul {
  list-style: disc;
}
.article-content ol {
  list-style: decimal;
}
.article-content li {
  margin-bottom: 8px;
  line-height: 1.85;
  color: rgba(233, 238, 247, 0.92);
}
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: rgba(230, 180, 80, 0.07);
  padding: 18px 22px;
  margin: 1.5em 0;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-muted);
  font-style: italic;
}
.article-content img {
  border-radius: var(--radius-md);
  margin: 24px 0;
  box-shadow: var(--shadow-sm);
}
.article-content a {
  color: var(--primary);
  border-bottom: 1px solid rgba(230, 180, 80, 0.3);
}
.article-content a:hover {
  color: #f7d488;
  border-bottom-color: rgba(230, 180, 80, 0.7);
}
.article-content code {
  background: rgba(230, 180, 80, 0.1);
  color: #f0c468;
  padding: 2px 8px;
  border-radius: 5px;
  font-size: 14px;
  font-family: "JetBrains Mono", "Fira Code", "Consolas", monospace;
}

.article-tags {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
}
.tags-label {
  color: var(--text-muted);
  font-size: 14px;
  margin-right: 8px;
}
.tags-label i {
  color: var(--primary);
  margin-right: 4px;
}

.article-share {
  margin-top: 22px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.share-label {
  color: var(--text-muted);
  font-size: 14px;
}
.share-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 14px;
  transition: var(--transition);
}
.share-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  color: var(--primary);
  border-color: rgba(230, 180, 80, 0.4);
}

/* ===== Not Found ===== */
.not-found {
  text-align: center;
  padding: 70px 30px;
}
.not-found .nf-icon {
  font-size: 52px;
  color: var(--text-dim);
  margin-bottom: 18px;
}
.not-found h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 12px;
}
.not-found p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 15px;
}

/* ===== Related Section ===== */
.related-section {
  padding: 50px 0 30px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 30px;
}
.section-head h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--text-strong);
  position: relative;
  padding-left: 16px;
}
.section-head h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 22px;
  background: linear-gradient(180deg, var(--primary), var(--primary-dark));
  border-radius: 4px;
  box-shadow: 0 2px 10px rgba(230, 180, 80, 0.5);
}
.section-link {
  color: var(--text-muted);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.section-link:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: var(--transition);
}
.related-card:hover {
  transform: translateY(-6px);
  border-color: rgba(230, 180, 80, 0.3);
  box-shadow: var(--shadow-lg);
}

.related-cover {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
}
.related-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .related-cover img {
  transform: scale(1.06);
}
.related-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(8, 12, 22, 0.55) 100%);
}

.related-cat {
  position: absolute;
  left: 14px;
  bottom: 14px;
  z-index: 2;
  background: rgba(8, 12, 22, 0.72);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(230, 180, 80, 0.3);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
}

.related-body {
  padding: 16px 18px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.related-body h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 46px;
}
.related-body p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin: 0;
}
.related-body .related-meta {
  margin-top: 12px;
  font-size: 12px;
  color: var(--text-dim);
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-body .related-meta i {
  font-size: 11px;
}

/* ===== FAQ Section ===== */
.faq-section {
  padding: 50px 0 30px;
}

.faq-section .container {
  max-width: 920px;
}

.faq-title {
  text-align: center;
  font-size: 26px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 8px;
}
.faq-subtitle {
  text-align: center;
  color: var(--text-muted);
  margin-bottom: 34px;
  font-size: 15px;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover {
  border-color: rgba(230, 180, 80, 0.25);
}

.faq-item summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-strong);
  transition: var(--transition);
  position: relative;
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary:hover {
  color: var(--primary);
}
.faq-item summary .fa-chevron-down {
  color: var(--text-dim);
  font-size: 14px;
  transition: transform 0.3s ease;
}
.faq-item[open] summary .fa-chevron-down {
  transform: rotate(180deg);
  color: var(--primary);
}

.faq-answer {
  padding: 0 24px 20px;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.85;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 40px 0 70px;
}

.cta-box {
  position: relative;
  background: linear-gradient(135deg, #131a2c 0%, #0d1424 100%);
  border: 1px solid rgba(230, 180, 80, 0.2);
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  overflow: hidden;
  text-align: center;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -30%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(230, 180, 80, 0.14) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}
.cta-box::after {
  content: "";
  position: absolute;
  bottom: -70%;
  left: -20%;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  font-size: 28px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 12px;
}
.cta-box p {
  color: var(--text-muted);
  margin-bottom: 28px;
  font-size: 15.5px;
  max-width: 520px;
  margin-left: auto;
  margin-right: auto;
}

.cta-form {
  display: flex;
  gap: 12px;
  max-width: 480px;
  margin: 0 auto;
}

.cta-form input {
  flex: 1;
  height: 48px;
  border-radius: 50px;
  border: 1px solid var(--border-light);
  background: rgba(11, 16, 29, 0.8);
  padding: 0 22px;
  color: var(--text-strong);
  font-size: 14px;
  outline: none;
  transition: var(--transition);
}
.cta-form input::placeholder {
  color: var(--text-dim);
}
.cta-form input:focus {
  border-color: rgba(230, 180, 80, 0.4);
  box-shadow: 0 0 0 3px rgba(230, 180, 80, 0.1);
}

.cta-form .btn-primary {
  height: 48px;
  padding: 0 26px;
  border-radius: 50px;
}

/* ===== Footer ===== */
.site-footer {
  background: #060a12;
  border-top: 1px solid var(--border);
  padding-top: 56px;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}

.footer-brand p {
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
  margin-top: 18px;
  max-width: 380px;
}

.footer-col h4 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 28px;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 3px;
}

.footer-col a {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 12px;
  transition: var(--transition);
}
.footer-col a i {
  font-size: 12px;
  color: var(--text-dim);
}
.footer-col a:hover {
  color: var(--primary);
  transform: translateX(4px);
}
.footer-col a:hover i {
  color: var(--primary);
}

.footer-col p {
  color: var(--text-muted);
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-col p i {
  color: var(--text-dim);
  font-size: 13px;
  width: 18px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(30, 39, 64, 0.6);
  padding: 18px 0;
}
.footer-bottom p {
  color: var(--text-dim);
  font-size: 13px;
  text-align: center;
}

/* ===== Focus Visibility ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(230, 180, 80, 0.4);
  outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-content {
    padding: 36px 32px 32px;
  }
  .cta-box {
    padding: 44px 36px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 18px;
  }
  .site-topbar {
    padding: 10px 0;
  }
  .logo-text {
    font-size: 18px;
  }
  .logo-mark {
    width: 38px;
    height: 38px;
    font-size: 19px;
  }
  .channel-nav .nav-link {
    padding: 9px 16px;
    font-size: 14px;
  }
  .article-hero {
    padding: 48px 0 40px;
  }
  .article-hero h1 {
    font-size: 26px;
  }
  .article-meta {
    gap: 12px;
  }
  .article-content {
    padding: 26px 20px 24px;
    border-radius: 14px;
  }
  .article-content p {
    font-size: 15.5px;
    line-height: 1.9;
  }
  .cta-box {
    padding: 38px 24px;
  }
  .cta-box h2 {
    font-size: 22px;
  }
  .cta-form {
    flex-direction: column;
  }
  .cta-form input {
    width: 100%;
  }
  .cta-form .btn-primary {
    width: 100%;
    padding: 0 20px;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .section-head h2 {
    font-size: 21px;
  }
  .faq-item summary {
    padding: 16px 18px;
    font-size: 15px;
  }
  .faq-answer {
    padding: 12px 18px 16px;
    font-size: 14px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 14px;
  }
  .header-tools .header-search-btn {
    display: none;
  }
  .related-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .channel-nav .nav-link {
    padding: 8px 13px;
    font-size: 13px;
  }
  .channel-nav .nav-link i {
    display: none;
  }
  .article-hero h1 {
    font-size: 22px;
    line-height: 1.35;
  }
  .breadcrumb {
    font-size: 13px;
    margin-bottom: 16px;
  }
  .breadcrumb-current {
    max-width: 160px;
  }
  .meta-item {
    font-size: 13px;
  }
  .category-badge {
    font-size: 12px;
    padding: 5px 12px;
  }
  .article-tags {
    gap: 4px;
  }
  .tag-item {
    font-size: 12px;
    padding: 4px 10px;
  }
  .faq-title {
    font-size: 22px;
  }
  .faq-subtitle {
    font-size: 14px;
  }
  .cta-box {
    padding: 32px 18px;
    border-radius: 16px;
  }
  .cta-box h2 {
    font-size: 20px;
  }
  .cta-box p {
    font-size: 14px;
  }
  .footer-brand p {
    font-size: 13px;
  }
}

/* roulang page: category2 */
:root {
  --primary: #e8b64c;
  --primary-dark: #c99a32;
  --primary-light: #f7dead;
  --secondary: #7a5af5;
  --secondary-dark: #5a3fd8;
  --accent: #ff6b57;
  --bg-dark: #0d0f14;
  --bg-deep: #080a0e;
  --bg-card: #151822;
  --bg-card-hover: #1c2030;
  --bg-soft: rgba(232, 182, 76, 0.08);
  --text-main: #e8ebf2;
  --text-strong: #ffffff;
  --text-weak: #8b91a3;
  --text-muted: #5d6372;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(232, 182, 76, 0.25);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.35);
  --shadow-hover: 0 14px 44px rgba(0, 0, 0, 0.5), 0 0 0 1px rgba(232, 182, 76, 0.12);
  --container-w: 1240px;
  --header-h: 128px;
  --transition: all 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
  --font-sans: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul, ol {
  list-style: none;
}

input, textarea {
  font-family: inherit;
}

.container {
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 32px;
}

/* ===== 顶部品牌导航 ===== */
.brand-bar {
  background: var(--bg-deep);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
}

.brand-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  color: #0d0f14;
  box-shadow: 0 4px 16px rgba(232, 182, 76, 0.3);
  flex-shrink: 0;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-strong);
  letter-spacing: 1px;
  white-space: nowrap;
}

.logo-text span {
  color: var(--primary);
  font-weight: 400;
  font-size: 15px;
  margin-left: 4px;
}

.brand-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.header-search {
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 16px;
  gap: 8px;
  transition: var(--transition);
}

.header-search:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(232, 182, 76, 0.15);
}

.header-search input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  font-size: 14px;
  width: 160px;
}

.header-search i {
  color: var(--text-weak);
  font-size: 13px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #101014;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 20px;
  border-radius: 999px;
  transition: var(--transition);
  box-shadow: 0 4px 18px rgba(232, 182, 76, 0.25);
  white-space: nowrap;
}

.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232, 182, 76, 0.35);
}

/* ===== 频道导航 ===== */
.channel-nav-bar {
  background: rgba(13, 15, 20, 0.95);
  border-bottom: 1px solid var(--border);
  padding: 0;
  position: sticky;
  top: 70px;
  z-index: 999;
  backdrop-filter: blur(16px);
}

.channel-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 0;
  min-height: 56px;
}

.channel-nav::-webkit-scrollbar {
  display: none;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 20px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-weak);
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
}

.nav-link i {
  font-size: 14px;
  opacity: 0.8;
}

.nav-link:hover {
  color: var(--text-strong);
}

.nav-link.active {
  color: var(--primary);
  font-weight: 600;
  border-bottom-color: var(--primary);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
  box-shadow: 0 0 12px rgba(232, 182, 76, 0.5);
}

/* ===== 页面Banner ===== */
.page-banner {
  position: relative;
  padding: 90px 0 80px;
  background-image: linear-gradient(120deg, rgba(8, 10, 14, 0.92) 0%, rgba(13, 15, 20, 0.75) 50%, rgba(13, 15, 20, 0.6) 100%), url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  border-bottom: 1px solid var(--border);
  overflow: hidden;
}

.page-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 80% 20%, rgba(122, 90, 245, 0.2) 0%, transparent 60%);
}

.page-banner-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--border-light);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 999px;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
}

.badge i {
  font-size: 12px;
}

.page-banner h1 {
  font-size: 44px;
  font-weight: 900;
  color: var(--text-strong);
  line-height: 1.25;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.page-banner h1 span {
  background: linear-gradient(135deg, var(--primary) 0%, #f7dead 50%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.page-banner p {
  font-size: 17px;
  color: var(--text-main);
  line-height: 1.8;
  max-width: 720px;
  opacity: 0.9;
}

.banner-meta {
  margin-top: 28px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-main);
}

.banner-tag i {
  color: var(--primary);
  font-size: 12px;
}

/* ===== 面包屑 ===== */
.breadcrumb-section {
  padding: 18px 0;
  border-bottom: 1px solid var(--border);
}

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 14px;
  color: var(--text-weak);
}

.breadcrumb a {
  color: var(--text-weak);
}

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

.breadcrumb .sep {
  color: var(--text-muted);
  font-size: 12px;
}

.breadcrumb .current {
  color: var(--primary);
}

/* ===== 板块通用 ===== */
.section {
  padding: 80px 0;
}

.section-head {
  margin-bottom: 48px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

.section-head-left {
  max-width: 640px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.section-label::before {
  content: '';
  width: 24px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 2px;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.3;
  letter-spacing: 0.5px;
}

.section-head p {
  font-size: 15px;
  color: var(--text-weak);
  margin-top: 12px;
  line-height: 1.7;
}

.section-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  padding: 10px 22px;
  border: 1px solid var(--border);
  border-radius: 999px;
  transition: var(--transition);
  white-space: nowrap;
}

.section-more:hover {
  color: var(--primary);
  border-color: var(--border-light);
  background: var(--bg-soft);
  transform: translateX(4px);
}

/* ===== 赛事指南子分类卡片 ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.category-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 32px 28px 28px;
  overflow: hidden;
  transition: var(--transition);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--secondary));
  opacity: 0;
  transition: var(--transition);
}

.category-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}

.category-card:hover::before {
  opacity: 1;
}

.cat-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  background: linear-gradient(135deg, rgba(232, 182, 76, 0.2) 0%, rgba(122, 90, 245, 0.2) 100%);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--primary);
  margin-bottom: 22px;
  transition: var(--transition);
}

.category-card:hover .cat-icon {
  transform: scale(1.08) rotate(-4deg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: #0d0f14;
}

.category-card h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 10px;
}

.category-card>p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.7;
  margin-bottom: 18px;
}

.cat-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.cat-tag {
  font-size: 12px;
  color: var(--text-weak);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 6px;
  padding: 4px 10px;
  transition: var(--transition);
}

.cat-tag:hover {
  color: var(--primary);
  border-color: var(--border-light);
}

/* ===== 赛事时间线 ===== */
.timeline-section {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  position: relative;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  counter-reset: timeline;
}

.timeline-item {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: var(--transition);
}

.timeline-item:hover {
  border-color: var(--border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.timeline-step {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.timeline-step .step-num {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #101014;
  font-weight: 900;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 14px rgba(232, 182, 76, 0.25);
}

.timeline-item h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
}

.timeline-item p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.65;
}

.timeline-line {
  position: absolute;
  top: 49px;
  right: -24px;
  width: 24px;
  height: 1px;
  background: linear-gradient(90deg, var(--primary), transparent);
  opacity: 0.4;
}

/* ===== 内容卡片 ===== */
.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

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

.article-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-light);
  box-shadow: var(--shadow-hover);
}

.article-cover {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16/9;
}

.article-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

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

.article-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 15, 20, 0.5) 0%, transparent 50%);
}

.article-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #101014;
  background: var(--primary);
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(232, 182, 76, 0.3);
}

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

.article-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-strong);
  line-height: 1.5;
  margin-bottom: 10px;
  transition: var(--transition);
}

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

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

.article-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}

.article-meta i {
  font-size: 12px;
  margin-right: 4px;
}

/* ===== 知识卡片双栏 ===== */
.knowledge-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 32px;
}

.knowledge-primary,
.knowledge-secondary {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
}

.knowledge-primary:hover,
.knowledge-secondary:hover {
  border-color: var(--border-light);
  box-shadow: var(--shadow-hover);
}

.knowledge-cover {
  position: relative;
  height: 220px;
}

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

.knowledge-cover::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(13, 15, 20, 0.7) 0%, transparent 60%);
}

.knowledge-body {
  padding: 28px;
}

.knowledge-body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 12px;
}

.knowledge-body p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  margin-bottom: 18px;
}

.knowledge-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.knowledge-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-main);
  line-height: 1.6;
}

.knowledge-list li i {
  color: var(--primary);
  font-size: 12px;
  margin-top: 7px;
  flex-shrink: 0;
}

/* ===== 数据统计 ===== */
.stats-section {
  position: relative;
  background-image: linear-gradient(120deg, rgba(8, 10, 14, 0.9) 0%, rgba(13, 15, 20, 0.8) 100%), url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 90px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: var(--border-light);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 44px;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary) 0%, #f7dead 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-main);
  opacity: 0.85;
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
}

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

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 24px 22px;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--border-light);
  background: var(--bg-card-hover);
}

.faq-item i {
  color: var(--primary);
  font-size: 16px;
  margin-bottom: 12px;
}

.faq-item h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 8px;
  line-height: 1.5;
}

.faq-item p {
  font-size: 13px;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  padding: 0 0 80px;
}

.cta-panel {
  position: relative;
  background: linear-gradient(120deg, rgba(8, 10, 14, 0.85) 0%, rgba(13, 15, 20, 0.75) 100%), url('/assets/images/backpic/back-3.png');
  background-size: cover;
  background-position: center;
  border-radius: var(--radius-lg);
  padding: 56px 60px;
  border: 1px solid var(--border-light);
  overflow: hidden;
}

.cta-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 90% 10%, rgba(232, 182, 76, 0.2) 0%, transparent 50%);
}

.cta-content {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-text h3 {
  font-size: 26px;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 8px;
}

.cta-text p {
  font-size: 15px;
  color: var(--text-main);
  opacity: 0.85;
}

.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: 999px;
  transition: var(--transition);
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: #101014;
  box-shadow: 0 6px 24px rgba(232, 182, 76, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 34px rgba(232, 182, 76, 0.4);
}

.btn-outline {
  border: 1px solid var(--border);
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--bg-soft);
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 60px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border);
}

.footer-brand .brand-logo {
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  color: var(--text-weak);
  line-height: 1.75;
  max-width: 360px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-strong);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
  border-radius: 2px;
}

.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-weak);
  padding: 7px 0;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--primary);
  transform: translateX(4px);
}

.footer-col a i {
  font-size: 11px;
  color: var(--primary);
}

.footer-col p {
  font-size: 14px;
  color: var(--text-weak);
  padding: 7px 0;
  display: flex;
  align-items: center;
  gap: 8px;
}

.footer-col p i {
  color: var(--primary);
  font-size: 13px;
}

.footer-bottom {
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== 响应式断点 ===== */
@media (max-width: 1024px) {
  .container {
    padding: 0 24px;
  }

  :root {
    --header-h: 120px;
  }

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

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

  .timeline-line {
    display: none;
  }

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

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

  .page-banner h1 {
    font-size: 36px;
  }

  .header-search input {
    width: 120px;
  }
}

@media (max-width: 768px) {
  .brand-bar-inner {
    flex-wrap: wrap;
  }

  .brand-right {
    width: 100%;
    justify-content: space-between;
  }

  :root {
    --header-h: 118px;
  }

  .channel-nav-bar {
    top: 118px;
  }

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

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

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

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

  .footer-brand {
    grid-column: span 2;
  }

  .cta-panel {
    padding: 40px 28px;
  }

  .cta-content {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 60px 0;
  }

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

  .page-banner {
    padding: 60px 0 50px;
  }

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

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

  .stat-number {
    font-size: 34px;
  }

  .knowledge-body {
    padding: 22px;
  }

  .stats-section {
    background-attachment: scroll;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 20px;
  }

  .header-search {
    display: none;
  }

  .brand-bar-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .brand-right {
    justify-content: flex-start;
  }

  .header-cta {
    width: 100%;
    justify-content: center;
  }

  :root {
    --header-h: 170px;
  }

  .channel-nav-bar {
    top: 170px;
  }

  .nav-link {
    padding: 14px 14px;
    font-size: 14px;
  }

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

  .footer-brand {
    grid-column: span 1;
  }

  .timeline-item {
    padding: 22px 18px;
  }

  .category-card {
    padding: 24px 20px;
  }

  .article-body {
    padding: 20px;
  }

  .btn-primary,
  .btn-outline {
    width: 100%;
    justify-content: center;
  }

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

  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }

  .section-more {
    width: 100%;
    justify-content: center;
  }
}

/* roulang page: category3 */
:root {
  --primary: #6c4df6;
  --primary-light: #9a7bff;
  --primary-dark: #4a2fd8;
  --accent: #f5b64f;
  --accent-light: #ffd27a;
  --bg: #0b0d1a;
  --bg-soft: #11142a;
  --bg-card: #171c33;
  --bg-card-hover: #1d2340;
  --text: #ececf5;
  --muted: #9ba1bd;
  --border: rgba(255, 255, 255, 0.08);
  --border-light: rgba(255, 255, 255, 0.14);
  --radius-sm: 10px;
  --radius: 18px;
  --radius-lg: 28px;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.35);
  --shadow-primary: 0 10px 36px rgba(108, 77, 246, 0.45);
  --shadow-accent: 0 10px 36px rgba(245, 182, 79, 0.35);
  --space: 104px;
  --space-sm: 64px;
  --max-width: 1240px;
  --font: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
}

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

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

button, input, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
}

.container {
  width: min(var(--max-width), 92%);
  margin: 0 auto;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 30px;
  border-radius: 999px;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.28s ease;
  white-space: nowrap;
  justify-content: center;
}
.btn i {
  font-size: 14px;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: var(--shadow-primary);
}
.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: 0 16px 44px rgba(108, 77, 246, 0.55);
}
.btn-primary:active {
  transform: translateY(0);
  box-shadow: 0 6px 18px rgba(108, 77, 246, 0.4);
}
.btn-primary:focus-visible,
.btn-outline:focus-visible {
  outline: 3px solid rgba(154, 123, 255, 0.55);
  outline-offset: 3px;
}
.btn-accent {
  background: var(--accent);
  color: #1b160b;
  box-shadow: var(--shadow-accent);
}
.btn-accent:hover {
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 16px 42px rgba(245, 182, 79, 0.45);
}
.btn-outline {
  border-color: var(--border-light);
  color: var(--text);
  background: rgba(255, 255, 255, 0.03);
}
.btn-outline:hover {
  border-color: var(--primary-light);
  color: var(--primary-light);
  background: rgba(108, 77, 246, 0.08);
  transform: translateY(-2px);
}
.btn-outline:active {
  transform: translateY(0);
}
.btn-lg {
  padding: 17px 38px;
  font-size: 16px;
}
.btn-sm {
  padding: 8px 18px;
  font-size: 13px;
  gap: 6px;
}

/* ===== Badge / Tag ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(108, 77, 246, 0.14);
  border: 1px solid rgba(108, 77, 246, 0.3);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  padding: 7px 17px;
  border-radius: 999px;
  letter-spacing: 0.5px;
}
.badge-accent {
  background: rgba(245, 182, 79, 0.12);
  border-color: rgba(245, 182, 79, 0.3);
  color: var(--accent);
}

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(11, 13, 26, 0.86);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.header-top {
  border-bottom: 1px solid var(--border);
}
.header-top-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 0;
  gap: 24px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  flex-shrink: 0;
}
.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  color: #fff;
  box-shadow: 0 8px 24px rgba(108, 77, 246, 0.45);
}
.logo-text {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: 0.5px;
  line-height: 1.2;
  color: var(--text);
}
.logo-text span {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-light);
  letter-spacing: 1px;
  text-transform: uppercase;
}
.header-actions {
  display: flex;
  align-items: center;
  gap: 18px;
}
.header-search {
  position: relative;
  display: flex;
  align-items: center;
}
.header-search input {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 40px 10px 18px;
  width: 228px;
  font-size: 14px;
  color: var(--text);
  transition: all 0.25s ease;
}
.header-search input::placeholder {
  color: var(--muted);
}
.header-search input:focus {
  outline: none;
  border-color: var(--primary);
  background: rgba(108, 77, 246, 0.08);
  width: 270px;
}
.header-search button {
  position: absolute;
  right: 6px;
  background: transparent;
  border: none;
  color: var(--muted);
  font-size: 14px;
  cursor: pointer;
  padding: 8px;
  transition: color 0.2s ease;
}
.header-search button:hover {
  color: var(--primary-light);
}
.header-channels {
  background: rgba(13, 15, 29, 0.7);
}
.channel-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 0;
  overflow-x: auto;
  scrollbar-width: none;
}
.channel-nav::-webkit-scrollbar {
  display: none;
}
.channel-nav .nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  transition: all 0.25s ease;
  white-space: nowrap;
}
.channel-nav .nav-link i {
  font-size: 14px;
  opacity: 0.8;
}
.channel-nav .nav-link:hover {
  color: var(--text);
  background: rgba(108, 77, 246, 0.1);
}
.channel-nav .nav-link.active {
  color: #fff;
  background: var(--primary);
  box-shadow: 0 8px 24px rgba(108, 77, 246, 0.45);
}
.channel-nav .nav-link.active:hover {
  color: #fff;
  background: var(--primary);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 128px 0 112px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, rgba(11, 13, 26, 0.96) 0%, rgba(11, 13, 26, 0.84) 48%, rgba(80, 48, 180, 0.45) 100%);
}
.hero::after {
  content: "";
  position: absolute;
  width: 680px;
  height: 680px;
  right: -180px;
  top: -260px;
  background: radial-gradient(circle, rgba(108, 77, 246, 0.3) 0%, transparent 68%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 690px;
}
.hero .badge {
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(34px, 5vw, 56px);
  line-height: 1.18;
  font-weight: 800;
  letter-spacing: 1px;
  margin-bottom: 22px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
}
.hero-title .text-accent {
  color: var(--accent);
}
.hero-subtext {
  font-size: 17px;
  color: rgba(236, 236, 245, 0.82);
  margin-bottom: 36px;
  max-width: 610px;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: center;
}
.hero-meta {
  display: flex;
  gap: 30px;
  margin-top: 52px;
  flex-wrap: wrap;
}
.hero-meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hero-meta-item b {
  font-size: 22px;
  font-weight: 800;
  color: var(--accent);
}
.hero-meta-item span {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.6px;
}

/* ===== Section ===== */
.section {
  padding: var(--space) 0;
}
.section-soft {
  background: var(--bg-soft);
}
.section-head {
  max-width: 720px;
  margin-bottom: 50px;
}
.section-head.center {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--primary-light);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 2px;
  margin-bottom: 14px;
  text-transform: uppercase;
}
.section-tag::before {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.section-head.center .section-tag::after {
  content: "";
  width: 24px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.section-title {
  font-size: clamp(27px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.5px;
}
.section-desc {
  color: var(--muted);
  margin-top: 16px;
  font-size: 16px;
}
.section .more-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  color: var(--primary-light);
  transition: gap 0.25s ease;
}
.section .more-link:hover {
  gap: 14px;
}
.section-head-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 50px;
}
.section-head-row .section-head {
  margin-bottom: 0;
}

/* ===== Grid / Cards ===== */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 26px;
}
.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.platform-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 30px 32px;
  transition: all 0.32s ease;
  overflow: hidden;
}
.platform-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  height: 3px;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transition: width 0.4s ease;
}
.platform-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.platform-card:hover::before {
  width: 100%;
}
.card-icon {
  width: 84px;
  height: 84px;
  border-radius: 22px;
  background: rgba(108, 77, 246, 0.12);
  border: 1px solid rgba(108, 77, 246, 0.24);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  transition: all 0.3s ease;
}
.card-icon i {
  font-size: 30px;
  color: var(--primary-light);
  transition: all 0.3s ease;
}
.platform-card:hover .card-icon {
  background: var(--primary);
  transform: scale(1.05) rotate(-4deg);
}
.platform-card:hover .card-icon i {
  color: #fff;
}
.card-title {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
}
.card-text {
  color: var(--muted);
  font-size: 15px;
}

/* ===== Topics ===== */
.topic-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.topic-item {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 18px 24px;
  transition: all 0.26s ease;
}
.topic-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateX(8px);
}
.topic-rank {
  font-size: 22px;
  font-weight: 800;
  color: var(--primary-light);
  min-width: 44px;
  text-align: center;
  font-style: italic;
}
.topic-item:first-child .topic-rank {
  color: var(--accent);
}
.topic-item:nth-child(2) .topic-rank {
  color: #c0b6ff;
}
.topic-link {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.topic-title {
  font-size: 17px;
  font-weight: 600;
  transition: color 0.2s ease;
}
.topic-item:hover .topic-title {
  color: var(--primary-light);
}
.topic-meta {
  font-size: 13px;
  color: var(--muted);
}
.topic-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(108, 77, 246, 0.1);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 13px;
  border-radius: 999px;
  font-size: 13px;
  transition: all 0.2s ease;
  flex-shrink: 0;
}
.topic-item:hover .topic-tag {
  color: var(--primary-light);
  border-color: rgba(108, 77, 246, 0.4);
}

/* ===== Story Cards ===== */
.story-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.32s ease;
  display: flex;
  flex-direction: column;
}
.story-card:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.story-cover {
  position: relative;
  height: 210px;
  overflow: hidden;
}
.story-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.story-card:hover .story-cover img {
  transform: scale(1.05);
}
.story-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 52%, rgba(11, 13, 26, 0.9) 100%);
}
.story-content {
  padding: 24px 26px 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.story-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 12px;
  transition: color 0.22s ease;
}
.story-card:hover .story-title {
  color: var(--primary-light);
}
.story-excerpt {
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 20px;
  flex: 1;
}
.story-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
  padding-top: 16px;
  border-top: 1px solid var(--border);
}
.story-meta .author {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-weight: 600;
  color: var(--text);
}
.story-meta .author i {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(108, 77, 246, 0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--primary-light);
}
.story-meta .date {
  margin-left: auto;
}

/* ===== Timeline ===== */
.timeline {
  position: relative;
  padding-left: 30px;
}
.timeline::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(180deg, var(--primary), var(--accent));
  opacity: 0.5;
}
.timeline-item {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px 30px;
  margin-bottom: 22px;
  transition: all 0.28s ease;
  display: flex;
  gap: 24px;
  align-items: flex-start;
}
.timeline-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--primary);
  transform: translateX(6px);
}
.timeline-dot {
  position: absolute;
  left: -26px;
  top: 36px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary);
  border: 4px solid var(--bg);
  box-shadow: 0 0 0 2px var(--primary-light);
}
.timeline-icon {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: rgba(108, 77, 246, 0.12);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.timeline-icon i {
  color: var(--primary-light);
  font-size: 22px;
}
.timeline-body {
  flex: 1;
}
.timeline-date {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(245, 182, 79, 0.1);
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 10px;
}
.timeline-body h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}
.timeline-body p {
  color: var(--muted);
  font-size: 15px;
}

/* ===== Stats ===== */
.stats {
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  position: relative;
  padding: 80px 0;
}
.stats::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 13, 26, 0.96), rgba(23, 18, 46, 0.92));
}
.stats-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat-item {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px 24px;
  text-align: center;
  backdrop-filter: blur(6px);
  transition: all 0.3s ease;
}
.stat-item:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
}
.stat-num {
  font-size: 40px;
  font-weight: 800;
  background: linear-gradient(120deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}
.stat-item span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 14px;
  letter-spacing: 0.5px;
}

/* ===== FAQ ===== */
.faq-wrap {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 28px;
  transition: all 0.28s ease;
  cursor: pointer;
}
.faq-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-light);
}
.faq-q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 17px;
  font-weight: 700;
}
.faq-q i {
  color: var(--primary-light);
  font-size: 16px;
  margin-top: 3px;
  flex-shrink: 0;
}
.faq-a {
  color: var(--muted);
  font-size: 15px;
  padding-left: 28px;
  margin-top: 10px;
  line-height: 1.75;
}

/* ===== CTA ===== */
.cta {
  position: relative;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 90px 0;
  text-align: center;
}
.cta::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(230deg, rgba(108, 77, 246, 0.68), rgba(11, 13, 26, 0.9));
}
.cta-inner {
  position: relative;
  z-index: 1;
  max-width: 680px;
  margin: 0 auto;
}
.cta-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 20px;
  border-radius: 999px;
  margin-bottom: 22px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(4px);
}
.cta-title {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
}
.cta-subtext {
  color: rgba(236, 236, 245, 0.82);
  font-size: 16px;
  margin-bottom: 34px;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* ===== Footer ===== */
.site-footer {
  background: rgba(9, 10, 20, 0.98);
  border-top: 1px solid var(--border);
  padding-top: 60px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}
.footer-brand p {
  color: var(--muted);
  font-size: 14px;
  margin-top: 16px;
  max-width: 360px;
}
.footer-brand .logo-mark {
  transform: scale(0.92);
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text);
  position: relative;
  padding-bottom: 12px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 30px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-col a,
.footer-col p {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 12px;
  transition: all 0.2s ease;
}
.footer-col a i,
.footer-col p i {
  color: var(--primary-light);
  font-size: 13px;
  width: 18px;
}
.footer-col a:hover {
  color: var(--text);
  padding-left: 4px;
}
.footer-bottom {
  border-top: 1px solid var(--border);
  padding: 22px 0;
}
.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
}
.footer-bottom-links {
  display: flex;
  gap: 20px;
}
.footer-bottom-links a {
  color: var(--muted);
  transition: color 0.2s;
}
.footer-bottom-links a:hover {
  color: var(--primary-light);
}

/* ===== Focus ===== */
a:focus-visible {
  outline: 3px solid rgba(154, 123, 255, 0.5);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --space: 80px;
    --space-sm: 52px;
  }
  .grid-3,
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-inner {
    grid-template-columns: 1fr 1fr;
  }
  .hero {
    padding: 104px 0 92px;
  }
}

@media (max-width: 768px) {
  .header-search {
    display: none;
  }
  .header-top-inner {
    padding: 13px 0;
  }
  .logo-text {
    font-size: 18px;
  }
  .channel-nav {
    gap: 2px;
  }
  .channel-nav .nav-link {
    padding: 9px 15px;
    font-size: 14px;
  }
  .hero {
    padding: 84px 0 72px;
  }
  .hero-title {
    font-size: 34px;
  }
  .hero-subtext {
    font-size: 15px;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-meta {
    gap: 18px;
  }
  .section {
    padding: 64px 0;
  }
  .section-head-row {
    flex-direction: column;
    align-items: flex-start;
  }
  .faq-wrap {
    grid-template-columns: 1fr;
  }
  .topic-item {
    padding: 14px 16px;
    gap: 12px;
    flex-wrap: wrap;
  }
  .topic-tag {
    display: none;
  }
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 36px;
  }
}

@media (max-width: 520px) {
  .container {
    width: 90%;
  }
  .header-actions .btn {
    display: none;
  }
  .logo-text {
    font-size: 17px;
  }
  .logo-text span {
    font-size: 12px;
  }
  .logo-mark {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }
  .grid-3,
  .grid-4,
  .grid-2 {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero-meta {
    flex-direction: column;
  }
  .timeline-item {
    flex-direction: column;
    gap: 14px;
  }
  .timeline-dot {
    top: 30px;
  }
  .section-title {
    font-size: 26px;
  }
  .cta {
    padding: 64px 0;
  }
  .cta-actions .btn {
    width: 100%;
  }
  .topic-link .topic-title {
    font-size: 15px;
  }
}