/* roulang page: index */
:root{
  --primary:#e13a3e;
  --primary-dark:#c12f33;
  --accent:#f5b544;
  --ink:#f5f5f7;
  --muted:#b2b6bd;
  --bg:#0d1117;
  --bg-soft:#161b23;
  --bg-deeper:#090c12;
  --line:rgba(255,255,255,.08);
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 20px 46px rgba(0,0,0,.35);
  --font:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--ink);
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:6px;
}
.container{width:min(1200px,92%);margin-inline:auto}

/* Header 悬浮胶囊导航 */
.site-header{
  position:fixed;
  top:18px;
  left:0;
  right:0;
  z-index:1000;
  padding:0 22px;
  pointer-events:none;
}
.nav-inner{
  max-width:1180px;
  margin-inline:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  background:rgba(9,12,18,.72);
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 18px;
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  box-shadow:0 14px 36px rgba(0,0,0,.28);
  pointer-events:auto;
}
.brand{
  font-size:19px;
  font-weight:800;
  letter-spacing:.02em;
  white-space:nowrap;
  background:linear-gradient(120deg,var(--accent),#ff8a5c);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.main-nav ul{
  display:flex;
  align-items:center;
  gap:4px;
  list-style:none;
  margin:0;
  padding:0;
}
.main-nav a{
  display:inline-block;
  padding:8px 18px;
  border-radius:999px;
  font-size:14px;
  font-weight:500;
  color:var(--muted);
  transition:color .25s,background .25s,transform .25s;
}
.main-nav a:hover{
  color:#fff;
  background:rgba(255,255,255,.08);
  transform:translateY(-1px);
}
.main-nav a.active{
  color:#fff;
  background:rgba(255,255,255,.13);
}
.header-cta{
  display:flex;
  align-items:center;
  gap:12px;
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 26px;
  border-radius:999px;
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1.2;
  cursor:pointer;
  transition:all .28s ease;
  white-space:nowrap;
}
.btn-sm{padding:8px 18px;font-size:14px}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
  box-shadow:0 10px 24px rgba(225,58,62,.3);
}
.btn-primary:hover{
  box-shadow:0 14px 32px rgba(225,58,62,.42);
  transform:translateY(-2px);
}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{
  background:rgba(255,255,255,.06);
  border-color:rgba(255,255,255,.16);
  color:var(--ink);
  backdrop-filter:blur(6px);
}
.btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.3);
  transform:translateY(-2px);
}
.menu-toggle{
  display:none;
  width:40px;
  height:40px;
  border:1px solid var(--line);
  border-radius:50%;
  background:rgba(255,255,255,.05);
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  cursor:pointer;
}
.menu-toggle span{
  display:block;
  width:18px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:transform .3s,opacity .3s;
}
.menu-toggle.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.active span:nth-child(2){opacity:0}
.menu-toggle.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.hero{
  position:relative;
  min-height:100vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background-image:linear-gradient(135deg,rgba(13,17,23,.94) 0%,rgba(13,17,23,.7) 48%,rgba(72,32,18,.36) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  padding:120px 0 80px;
  overflow:hidden;
}
.hero::after{
  content:"";
  position:absolute;
  inset:auto -10% -30% -10%;
  height:50%;
  background:radial-gradient(ellipse at center,rgba(225,58,62,.22),transparent 70%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:980px;
  width:100%;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.12);
  border-radius:999px;
  padding:7px 18px;
  font-size:13px;
  letter-spacing:.12em;
  color:var(--accent);
  backdrop-filter:blur(8px);
  margin-bottom:24px;
}
.hero-title{
  font-size:clamp(2.6rem,6vw,4.3rem);
  font-weight:800;
  line-height:1.12;
  letter-spacing:-.02em;
  margin:0 0 22px;
}
.hero-title span{
  background:linear-gradient(120deg,var(--accent),#ff8a5c);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
}
.hero-desc{
  max-width:720px;
  margin:0 auto 36px;
  font-size:17px;
  color:var(--muted);
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  margin-bottom:56px;
}
.hero-metrics{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:14px;
  max-width:920px;
  margin:0 auto;
}
.metric-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.09);
  border-radius:var(--radius-sm);
  padding:20px 12px;
  backdrop-filter:blur(10px);
  transition:transform .3s,background .3s;
}
.metric-card:hover{
  background:rgba(255,255,255,.08);
  transform:translateY(-4px);
}
.metric-value{
  font-size:1.8rem;
  font-weight:800;
  color:#fff;
  line-height:1.2;
}
.metric-value small{
  font-size:14px;
  font-weight:600;
  color:var(--accent);
}
.metric-label{
  font-size:13px;
  color:var(--muted);
  margin-top:4px;
}

/* 通用板块 */
.section{padding:96px 0}
.section-alt{background:var(--bg-soft)}
.section-head{
  text-align:center;
  max-width:760px;
  margin:0 auto 52px;
}
.section-label{
  display:inline-block;
  font-size:13px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--accent);
  border:1px solid rgba(245,181,68,.3);
  background:rgba(245,181,68,.08);
  padding:5px 16px;
  border-radius:999px;
  margin-bottom:14px;
}
.section-title{
  font-size:clamp(1.8rem,3vw,2.6rem);
  font-weight:800;
  line-height:1.25;
  margin:0 0 14px;
}
.section-sub{
  color:var(--muted);
  font-size:15px;
}

/* 关于 */
.about-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.about-text h2{
  font-size:clamp(1.7rem,2.6vw,2.3rem);
  font-weight:800;
  line-height:1.3;
  margin:0 0 18px;
}
.about-text p{
  color:var(--muted);
  font-size:15px;
  margin:0 0 16px;
}
.feature-list{
  list-style:none;
  padding:0;
  margin:26px 0 0;
  display:grid;
  gap:14px;
}
.feature-list li{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 18px;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line);
  border-radius:14px;
  transition:border-color .25s,background .25s;
}
.feature-list li:hover{
  border-color:rgba(245,181,68,.4);
  background:rgba(255,255,255,.06);
}
.feature-icon{
  flex:none;
  width:36px;
  height:36px;
  border-radius:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;
}
.feature-list strong{
  display:block;
  font-size:15px;
  margin-bottom:2px;
}
.feature-list span{
  font-size:13px;
  color:var(--muted);
}
.about-visual{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.about-visual img{
  width:100%;
  height:450px;
  object-fit:cover;
}
.about-visual::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 50%,rgba(13,17,23,.8));
}
.visual-tag{
  position:absolute;
  left:20px;
  bottom:20px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:rgba(0,0,0,.55);
  border:1px solid rgba(255,255,255,.18);
  backdrop-filter:blur(10px);
  border-radius:999px;
  padding:8px 16px;
  font-size:13px;
  color:#fff;
}

/* 分类卡片 */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:26px;
}
.cat-card{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  transition:transform .35s,box-shadow .35s,border-color .35s;
  display:flex;
  flex-direction:column;
}
.cat-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow);
  border-color:rgba(245,181,68,.35);
}
.cat-cover{
  position:relative;
  height:190px;
  overflow:hidden;
}
.cat-cover img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s;
}
.cat-card:hover .cat-cover img{
  transform:scale(1.06);
}
.cat-cover::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 40%,rgba(13,17,23,.85));
}
.cat-tag{
  position:absolute;
  top:14px;
  left:14px;
  z-index:2;
  background:rgba(0,0,0,.5);
  border:1px solid rgba(255,255,255,.15);
  backdrop-filter:blur(8px);
  border-radius:999px;
  padding:5px 14px;
  font-size:12px;
  color:var(--accent);
}
.cat-body{
  padding:24px;
  flex:1;
  display:flex;
  flex-direction:column;
}
.cat-body h3{
  font-size:18px;
  font-weight:700;
  margin:0 0 10px;
}
.cat-body p{
  font-size:14px;
  color:var(--muted);
  margin:0 0 20px;
  flex:1;
}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--accent);
  transition:gap .25s;
}
.link-more:hover{
  gap:10px;
  color:#ffd88a;
}

/* 最新资讯 */
.post-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}
.post-card{
  display:flex;
  gap:18px;
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:16px;
  padding:22px;
  transition:background .25s,border-color .25s,transform .25s;
}
.post-card:hover{
  background:rgba(255,255,255,.055);
  border-color:rgba(255,255,255,.18);
  transform:translateY(-3px);
}
.post-index{
  flex:none;
  font-size:28px;
  font-weight:800;
  color:rgba(255,255,255,.15);
  line-height:1;
  padding-top:4px;
  font-family:Georgia,serif;
}
.post-body h3{
  font-size:16px;
  font-weight:700;
  line-height:1.5;
  margin:0 0 8px;
}
.post-body h3 a{
  transition:color .25s;
}
.post-body h3 a:hover{
  color:var(--accent);
}
.post-body p{
  font-size:14px;
  color:var(--muted);
  margin:0 0 12px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-meta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-wrap:wrap;
}
.tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(225,58,62,.12);
  border:1px solid rgba(225,58,62,.3);
  color:#ff8c8f;
  font-size:12px;
  font-weight:600;
}
.post-meta time{
  font-size:12px;
  color:var(--muted);
}
.empty-list{
  grid-column:1 / -1;
  text-align:center;
  padding:60px 20px;
  color:var(--muted);
  background:rgba(255,255,255,.03);
  border:1px dashed rgba(255,255,255,.16);
  border-radius:var(--radius);
  font-size:15px;
}

/* 亮点数据 */
.spotlight{
  background-image:linear-gradient(rgba(13,17,23,.9),rgba(13,17,23,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  border-radius:28px;
  padding:64px 48px;
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
}
.spotlight::after{
  content:"";
  position:absolute;
  right:-80px;
  top:-80px;
  width:260px;
  height:260px;
  background:radial-gradient(circle,rgba(245,181,68,.18),transparent 70%);
}
.spotlight-head{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  align-items:flex-end;
  gap:20px;
  margin-bottom:40px;
  position:relative;
  z-index:2;
}
.spotlight-head h2{
  font-size:clamp(1.6rem,2.6vw,2.3rem);
  margin:0;
  font-weight:800;
}
.spotlight-head p{
  color:var(--muted);
  max-width:440px;
  font-size:14px;
  margin:0;
}
.spotlight-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
  position:relative;
  z-index:2;
}
.spot-item{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.1);
  border-radius:16px;
  padding:26px 22px;
  transition:transform .3s,background .3s;
}
.spot-item:hover{
  transform:translateY(-4px);
  background:rgba(255,255,255,.08);
}
.spot-item strong{
  display:block;
  font-size:28px;
  font-weight:800;
  color:var(--accent);
  margin-bottom:8px;
}
.spot-item span{
  font-size:14px;
  color:var(--muted);
}

/* 流程 */
.process-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.process-step{
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:32px 26px;
  position:relative;
  overflow:hidden;
  transition:transform .3s,border-color .3s;
}
.process-step:hover{
  transform:translateY(-5px);
  border-color:rgba(245,181,68,.35);
}
.process-num{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  display:block;
  margin-bottom:16px;
}
.process-step h3{
  font-size:18px;
  margin:0 0 8px;
}
.process-step p{
  font-size:14px;
  color:var(--muted);
  margin:0;
}
.process-step::before{
  content:"";
  position:absolute;
  right:-40px;
  top:-40px;
  width:100px;
  height:100px;
  background:radial-gradient(circle,rgba(225,58,62,.14),transparent 70%);
  border-radius:50%;
}

/* FAQ */
.faq-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
}
.faq-item{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:16px;
  transition:border-color .25s,background .25s;
}
.faq-item:hover{
  border-color:rgba(245,181,68,.3);
  background:rgba(255,255,255,.05);
}
.faq-item summary{
  padding:20px 22px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";
  flex:none;
  font-size:24px;
  font-weight:300;
  color:var(--accent);
  transition:transform .3s;
}
.faq-item[open] summary::after{
  content:"−";
}
.faq-item p{
  margin:0;
  padding:0 22px 20px;
  color:var(--muted);
  font-size:14px;
}

/* CTA */
.cta-section{
  background-image:linear-gradient(rgba(13,17,23,.9),rgba(13,17,23,.9)),url('/assets/images/backpic/back-3.png');
  background-size:cover;
  background-position:center;
  border-radius:28px;
  padding:70px 48px;
  text-align:center;
  border:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:"";
  position:absolute;
  left:50%;
  top:-120px;
  transform:translateX(-50%);
  width:420px;
  height:420px;
  background:radial-gradient(circle,rgba(225,58,62,.2),transparent 70%);
}
.cta-section .container{
  position:relative;
  z-index:2;
}
.cta-section h2{
  font-size:clamp(1.9rem,3.4vw,2.8rem);
  font-weight:800;
  margin:0 0 14px;
}
.cta-section p{
  color:var(--muted);
  max-width:620px;
  margin:0 auto 30px;
  font-size:16px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
}

/* Footer */
.site-footer{
  background:var(--bg-deeper);
  border-top:1px solid var(--line);
  padding:64px 0 30px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:48px;
  margin-bottom:44px;
}
.footer-brand{
  font-size:22px;
  font-weight:800;
  background:linear-gradient(120deg,var(--accent),#ff8a5c);
  -webkit-background-clip:text;
  background-clip:text;
  -webkit-text-fill-color:transparent;
  margin-bottom:12px;
}
.footer-desc{
  font-size:14px;
  color:var(--muted);
  max-width:360px;
  margin:0;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin:0 0 16px;
  color:#fff;
}
.footer-links{
  list-style:none;
  padding:0;
  margin:0;
  display:grid;
  gap:10px;
}
.footer-links a{
  font-size:14px;
  color:var(--muted);
  transition:color .25s,padding-left .25s;
}
.footer-links a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:22px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--muted);
}

/* Responsive */
@media (max-width:1024px){
  .section{padding:76px 0}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .about-grid{grid-template-columns:1fr;gap:40px}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .spotlight-grid{grid-template-columns:repeat(2,1fr)}
  .post-grid{grid-template-columns:1fr}
  .faq-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:60px 0}
  .site-header{top:10px;padding:0 14px}
  .nav-inner{padding:8px 12px;border-radius:24px;flex-wrap:wrap}
  .main-nav{
    display:none;
    width:100%;
    order:3;
    border-top:1px solid var(--line);
    padding-top:10px;
    margin-top:6px;
  }
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;align-items:stretch;gap:2px}
  .main-nav a{display:block;padding:10px 14px}
  .menu-toggle{display:flex}
  .header-cta .btn-sm{display:none}
  .hero{padding:120px 0 60px}
  .hero-actions .btn{flex:1 1 auto;min-width:140px}
  .hero-metrics{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .spotlight-grid{grid-template-columns:1fr 1fr}
  .spotlight{padding:40px 24px}
  .cta-section{padding:50px 24px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
}
@media (max-width:520px){
  .brand{font-size:16px}
  .hero-title{font-size:2.3rem}
  .hero-desc{font-size:15px}
  .hero-metrics{grid-template-columns:1fr 1fr;gap:10px}
  .metric-card{padding:16px 10px}
  .metric-value{font-size:1.4rem}
  .spotlight-grid{grid-template-columns:1fr}
  .post-card{flex-direction:column}
  .post-index{font-size:20px}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column;text-align:center}
}

/* roulang page: category1 */
:root {
  --primary: #f5b942;
  --primary-strong: #ffc95e;
  --primary-soft: rgba(245, 185, 66, 0.12);
  --secondary: #38bdf8;
  --secondary-soft: rgba(56, 189, 248, 0.12);
  --bg: #0b0e14;
  --bg-deep: #070a0f;
  --surface: #121720;
  --surface-2: #1a2130;
  --text: #e8ecf4;
  --text-strong: #f8fafc;
  --muted: #9aa6b8;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(245, 185, 66, 0.22);
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 4px 14px rgba(0, 0, 0, 0.28);
  --shadow-md: 0 14px 40px rgba(0, 0, 0, 0.35);
  --shadow-glow: 0 0 0 1px rgba(245, 185, 66, 0.12), 0 18px 50px rgba(0, 0, 0, 0.45);
  --space-section: 110px;
  --space-section-mobile: 64px;
  --header-height: 76px;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at top left, rgba(245, 185, 66, 0.06), transparent 45%),
    radial-gradient(ellipse at bottom right, rgba(56, 189, 248, 0.05), transparent 45%);
  pointer-events: none;
  z-index: 0;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s ease;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
  color: inherit;
}

input, textarea {
  font-family: inherit;
}

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 32px;
  position: relative;
  z-index: 1;
}

/* ========== Header & Navigation ========== */
.site-header {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 0 20px;
}

.nav-wrap {
  max-width: 1180px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  background: rgba(10, 14, 22, 0.82);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 12px 18px 12px 26px;
  box-shadow: var(--shadow-md);
}

.brand {
  font-weight: 800;
  font-size: 1.18rem;
  line-height: 1.2;
  color: var(--text-strong);
  letter-spacing: 0.02em;
  white-space: nowrap;
  display: flex;
  align-items: center;
}

.brand::before {
  content: "";
  width: 26px;
  height: 26px;
  margin-right: 10px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 8px;
  box-shadow: 0 0 18px rgba(245, 185, 66, 0.35);
  flex-shrink: 0;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}

.main-nav a {
  display: block;
  padding: 9px 18px;
  border-radius: 999px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--muted);
  transition: all 0.25s ease;
  white-space: nowrap;
}

.main-nav a:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-strong);
}

.main-nav a.active {
  background: var(--primary-soft);
  color: var(--primary);
  box-shadow: inset 0 0 0 1px var(--border-strong);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  border: 1px solid var(--border);
  font-size: 1.2rem;
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  transition: all 0.3s ease;
}

.nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ========== Page Banner / Hero ========== */
.page-banner {
  position: relative;
  padding: calc(var(--header-height) + 130px) 0 100px;
  overflow: hidden;
  background-size: cover;
  background-position: center;
  isolation: isolate;
}

.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(118deg, rgba(5, 8, 14, 0.94) 0%, rgba(5, 8, 14, 0.75) 48%, rgba(11, 14, 20, 0.55) 100%);
  z-index: -1;
}

.page-banner::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to top, var(--bg), transparent);
  z-index: -1;
}

.banner-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: var(--primary-soft);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.banner-tag i {
  font-size: 0.75rem;
}

.page-banner h1 {
  font-size: clamp(2rem, 4.2vw, 3.4rem);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.2;
  max-width: 820px;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.page-banner p {
  font-size: 1.05rem;
  color: var(--muted);
  max-width: 760px;
  line-height: 1.9;
  margin-bottom: 34px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 700;
  line-height: 1.4;
  transition: all 0.28s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #e09f2a);
  color: #111827;
  box-shadow: 0 8px 24px rgba(245, 185, 66, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(245, 185, 66, 0.32);
  color: #111827;
}

.btn-ghost {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border);
  color: var(--text-strong);
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
  transform: translateY(-2px);
}

/* ========== Section Common ========== */
.section {
  padding: var(--space-section) 0;
  position: relative;
}

.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--primary);
  padding: 6px 14px;
  background: var(--primary-soft);
  border-radius: 999px;
  margin-bottom: 18px;
  border: 1px solid var(--border-strong);
}

.section-head h2 {
  font-size: clamp(1.7rem, 2.8vw, 2.4rem);
  font-weight: 800;
  color: var(--text-strong);
  line-height: 1.3;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-head p {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.85;
}

/* ========== Guide Cards ========== */
.guide-section {
  padding: 100px 0 110px;
  background: var(--bg);
  position: relative;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.guide-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  transition: all 0.35s ease;
  display: flex;
  flex-direction: column;
}

.guide-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-glow);
  background: var(--surface-2);
}

.card-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
}

.card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.guide-card:hover .card-img img {
  transform: scale(1.05);
}

.card-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 10, 15, 0.7), transparent 50%);
}

.card-body {
  padding: 28px 28px 32px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 800;
  background: var(--secondary-soft);
  color: var(--secondary);
  border: 1px solid rgba(56, 189, 248, 0.2);
  align-self: flex-start;
  margin-bottom: 16px;
}

.card-body h3 {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 12px;
  line-height: 1.45;
}

.card-body p {
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.85;
  margin-bottom: 22px;
  flex: 1;
}

.card-link {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.25s ease;
}

.card-link:hover {
  gap: 12px;
}

/* ========== Steps / Timeline ========== */
.steps-section {
  background: var(--bg-deep);
  padding: 110px 0;
  position: relative;
  overflow: hidden;
}

.steps-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  background-size: 60px 60px;
}

.steps-wrap {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  margin-top: 20px;
}

.steps-wrap::before {
  content: "";
  position: absolute;
  top: 40px;
  left: 60px;
  right: 60px;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), var(--secondary), transparent);
  opacity: 0.35;
}

.step-item {
  text-align: center;
  padding: 0 24px;
  position: relative;
}

.step-node {
  width: 80px;
  height: 80px;
  margin: 0 auto 24px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
  box-shadow: var(--shadow-md);
  position: relative;
  z-index: 1;
  transition: all 0.3s ease;
}

.step-item:hover .step-node {
  background: var(--primary);
  color: var(--bg-deep);
  transform: scale(1.05);
  box-shadow: 0 0 40px rgba(245, 185, 66, 0.35);
}

.step-item h3 {
  font-size: 1.05rem;
  color: var(--text-strong);
  font-weight: 800;
  margin-bottom: 12px;
}

.step-item p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.8;
}

/* ========== Feature / Image + Text ========== */
.feature-section {
  padding: 110px 0;
  background: var(--bg);
}

.feature-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 64px;
  align-items: center;
}

.feature-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border);
}

.feature-media img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top right, rgba(5, 8, 14, 0.5), transparent 60%);
}

.feature-content h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
  color: var(--text-strong);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 18px;
}

.feature-content > p {
  color: var(--muted);
  margin-bottom: 26px;
  line-height: 1.85;
}

.feature-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
  margin-bottom: 32px;
}

.feature-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.feature-list .icon-box {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 12px;
  background: var(--primary-soft);
  border: 1px solid var(--border-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  font-size: 1rem;
}

.feature-list h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 4px;
}

.feature-list p {
  font-size: 0.88rem;
  color: var(--muted);
  line-height: 1.75;
}

/* ========== FAQ ========== */
.faq-section {
  padding: 110px 0;
  background: var(--bg-deep);
  position: relative;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item:hover {
  border-color: var(--border-strong);
}

.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 22px 26px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-strong);
  cursor: pointer;
  list-style: none;
  transition: color 0.25s ease;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "\f078";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  font-size: 0.85rem;
  color: var(--primary);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item[open] summary::after {
  transform: rotate(180deg);
}

.faq-item[open] {
  background: var(--surface-2);
  border-color: var(--border-strong);
}

.faq-content {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 0.92rem;
  line-height: 1.85;
}

/* ========== CTA ========== */
.cta-section {
  padding: 100px 0;
  background: var(--bg);
  position: relative;
}

.cta-card {
  position: relative;
  background:
    linear-gradient(135deg, rgba(245, 185, 66, 0.1), rgba(56, 189, 248, 0.06)),
    var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  padding: 70px 60px;
  text-align: center;
  overflow: hidden;
  box-shadow: var(--shadow-glow);
}

.cta-card::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -30%;
  width: 420px;
  height: 420px;
  background: radial-gradient(circle, rgba(245, 185, 66, 0.14), transparent 70%);
  pointer-events: none;
}

.cta-card h2 {
  font-size: clamp(1.6rem, 2.6vw, 2.2rem);
  color: var(--text-strong);
  font-weight: 800;
  margin-bottom: 16px;
  position: relative;
}

.cta-card p {
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto 32px;
  font-size: 1rem;
  line-height: 1.85;
  position: relative;
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  position: relative;
}

/* ========== Footer ========== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 64px 0 0;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
}

.footer-brand {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-strong);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-brand::before {
  content: "";
  width: 22px;
  height: 22px;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  border-radius: 7px;
  flex-shrink: 0;
}

.footer-desc {
  color: var(--muted);
  font-size: 0.88rem;
  line-height: 1.85;
  max-width: 340px;
}

.footer-col h4 {
  color: var(--text-strong);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: var(--muted);
  font-size: 0.88rem;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a i {
  font-size: 0.6rem;
  color: var(--primary);
  opacity: 0;
  transform: translateX(-4px);
  transition: all 0.2s ease;
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-links a:hover i {
  opacity: 1;
  transform: translateX(0);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 0;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.82rem;
  flex-wrap: wrap;
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .steps-wrap {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px 20px;
  }

  .steps-wrap::before {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .site-header {
    top: 12px;
    padding: 0 12px;
  }

  .nav-wrap {
    padding: 10px 16px;
    gap: 12px;
  }

  .brand {
    font-size: 1rem;
  }

  .brand::before {
    width: 22px;
    height: 22px;
  }

  .nav-toggle {
    display: flex;
  }

  .main-nav {
    position: fixed;
    top: 76px;
    right: 16px;
    left: 16px;
    background: rgba(10, 14, 22, 0.96);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: all 0.3s ease;
  }

  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  .main-nav ul {
    flex-direction: column;
    gap: 6px;
    width: 100%;
  }

  .main-nav a {
    width: 100%;
    text-align: center;
    padding: 12px 16px;
    font-size: 0.95rem;
  }

  .page-banner {
    padding: calc(var(--header-height) + 90px) 0 70px;
  }

  .page-banner h1 {
    font-size: 2rem;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .section {
    padding: 70px 0;
  }

  .section-head {
    margin-bottom: 40px;
  }

  .card-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .steps-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .step-item {
    padding: 0 40px;
  }

  .feature-section,
  .steps-section,
  .faq-section,
  .cta-section {
    padding: 70px 0;
  }

  .cta-card {
    padding: 44px 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }

  .brand {
    font-size: 0.95rem;
  }

  .brand::before {
    width: 20px;
    height: 20px;
  }

  .page-banner h1 {
    font-size: 1.7rem;
  }

  .page-banner p {
    font-size: 0.95rem;
  }

  .card-body {
    padding: 22px 20px 26px;
  }

  .feature-list li {
    flex-direction: column;
  }

  .step-item {
    padding: 0 20px;
  }

  .faq-item summary {
    padding: 18px 20px;
    font-size: 0.92rem;
  }

  .faq-content {
    padding: 0 20px 20px;
  }

  .cta-card {
    padding: 36px 20px;
  }
}

/* roulang page: article */
:root {
  --primary: #d4a537;
  --primary-light: #f0c964;
  --primary-dark: #a87f1f;
  --accent: #e8603d;
  --bg-deep: #080d18;
  --bg-body: #0e1526;
  --bg-card: #131d33;
  --bg-elevated: #192640;
  --bg-glass: rgba(10, 16, 32, 0.82);
  --text-1: #eef2f8;
  --text-2: #9fb0cc;
  --text-3: #6b7b96;
  --border: rgba(255, 255, 255, 0.07);
  --border-gold: rgba(212, 165, 55, 0.28);
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 8px;
  --shadow-1: 0 4px 24px rgba(0, 0, 0, 0.35);
  --shadow-2: 0 10px 44px rgba(0, 0, 0, 0.55);
  --shadow-gold: 0 6px 28px rgba(212, 165, 55, 0.18);
  --space-section: 96px;
  --container: 1200px;
  --font-body: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  background: var(--bg-body);
  color: var(--text-1);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}
a {
  color: inherit;
  text-decoration: none;
}
img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-md);
}
button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}
ul, ol {
  list-style: none;
}
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}
section {
  padding: var(--space-section) 0;
}

/* ===== Navigation ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 14px 0 0;
  pointer-events: none;
}
.site-header .container {
  pointer-events: auto;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px 8px 24px;
  box-shadow: var(--shadow-1);
  transition: border-color 0.3s, box-shadow 0.3s;
}
.header-inner:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}
.logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: var(--text-1);
  white-space: nowrap;
  flex-shrink: 0;
}
.logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  box-shadow: 0 0 12px rgba(212, 165, 55, 0.6);
  flex-shrink: 0;
}
.logo span.logo-text {
  background: linear-gradient(90deg, var(--primary-light), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.main-nav {
  display: flex;
  align-items: center;
}
.main-nav ul {
  display: flex;
  gap: 4px;
  align-items: center;
}
.main-nav a {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: background 0.3s, color 0.3s, transform 0.2s;
}
.main-nav a:hover {
  color: var(--text-1);
  background: rgba(255, 255, 255, 0.06);
  transform: translateY(-1px);
}
.main-nav a.active {
  color: var(--bg-deep);
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  font-weight: 700;
  box-shadow: 0 2px 12px rgba(212, 165, 55, 0.3);
}
.header-cta {
  margin-left: 12px;
}
.btn-sm {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: var(--bg-deep);
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.3s;
}
.btn-sm:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(212, 165, 55, 0.35);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s;
}
.nav-toggle:hover {
  background: rgba(255, 255, 255, 0.08);
}
.nav-toggle span {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--text-1);
  transition: transform 0.3s, opacity 0.3s;
}
.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero / Banner ===== */
.article-hero {
  position: relative;
  padding: 180px 0 80px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  isolation: isolate;
}
.article-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(8, 13, 24, 0.82) 0%, rgba(8, 13, 24, 0.65) 50%, var(--bg-body) 100%);
  z-index: -1;
}
.article-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 70% 20%, rgba(212, 165, 55, 0.12), transparent 60%);
  z-index: -1;
}
.hero-breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 24px;
  font-size: 13px;
  color: var(--text-3);
}
.hero-breadcrumb a {
  color: var(--text-2);
  transition: color 0.3s;
}
.hero-breadcrumb a:hover {
  color: var(--primary-light);
}
.hero-breadcrumb .sep {
  color: var(--text-3);
  opacity: 0.6;
}
.hero-breadcrumb .current {
  color: var(--primary-light);
  max-width: 420px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hero-badge {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(212, 165, 55, 0.15);
  border: 1px solid var(--border-gold);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.article-hero h1 {
  font-size: clamp(28px, 4.2vw, 44px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.5px;
  max-width: 860px;
  margin-bottom: 18px;
}
.article-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14px;
  color: var(--text-2);
}
.article-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.article-hero-meta i {
  color: var(--primary);
  font-size: 13px;
}

/* ===== Article Layout ===== */
.article-section {
  padding-top: 0;
  margin-top: -20px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 48px;
  align-items: start;
}
.article-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 48px;
  box-shadow: var(--shadow-1);
}
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-1);
}
.article-content p {
  margin-bottom: 18px;
}
.article-content h2 {
  font-size: 24px;
  font-weight: 700;
  color: var(--primary-light);
  margin: 36px 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--primary);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 19px;
  font-weight: 600;
  color: var(--text-1);
  margin: 28px 0 12px;
}
.article-content h4 {
  font-size: 17px;
  font-weight: 600;
  margin: 22px 0 10px;
  color: var(--text-2);
}
.article-content ul,
.article-content ol {
  padding-left: 24px;
  margin-bottom: 18px;
}
.article-content ul li {
  list-style: disc;
  margin-bottom: 6px;
}
.article-content ol li {
  list-style: decimal;
  margin-bottom: 6px;
}
.article-content blockquote {
  border-left: 3px solid var(--primary);
  background: rgba(212, 165, 55, 0.06);
  padding: 16px 20px;
  margin-bottom: 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--text-2);
  font-style: italic;
}
.article-content img {
  border-radius: var(--radius-md);
  margin: 20px 0;
}
.article-content a {
  color: var(--primary-light);
  border-bottom: 1px solid var(--border-gold);
  transition: color 0.2s;
}
.article-content a:hover {
  color: var(--primary);
}
.article-content strong {
  color: var(--primary-light);
  font-weight: 700;
}
.article-content code {
  background: rgba(255, 255, 255, 0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
}
.article-content hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: 36px 0;
}

/* Not Found */
.not-found {
  text-align: center;
  padding: 80px 20px;
}
.not-found-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 28px;
  border-radius: 50%;
  background: rgba(232, 96, 61, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  color: var(--accent);
}
.not-found h2 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 12px;
}
.not-found p {
  color: var(--text-2);
  margin-bottom: 30px;
}

/* ===== Sidebar ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}
.side-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.side-card:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-1);
}
.side-card-title {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border);
}
.side-card-title i {
  color: var(--primary);
}
.side-info-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.side-info-list li {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
}
.side-info-list .label {
  color: var(--text-3);
}
.side-info-list .value {
  color: var(--text-1);
  font-weight: 500;
  text-align: right;
}
.side-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.side-links a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-2);
  font-size: 14px;
  transition: background 0.3s, color 0.3s, transform 0.2s;
}
.side-links a i {
  color: var(--primary);
  font-size: 12px;
  width: 18px;
  text-align: center;
}
.side-links a:hover {
  background: rgba(212, 165, 55, 0.1);
  color: var(--primary-light);
  transform: translateX(3px);
}

/* ===== Section Head ===== */
.section-head {
  text-align: center;
  margin-bottom: 48px;
}
.section-head .tagline {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 999px;
  background: rgba(212, 165, 55, 0.1);
  border: 1px solid var(--border-gold);
  color: var(--primary-light);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 2px;
}
.section-head h2 {
  font-size: clamp(26px, 3.5vw, 38px);
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.3;
}
.section-head p {
  color: var(--text-2);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto;
}

/* ===== Related Articles ===== */
.related-section {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
}
.related-card:hover {
  transform: translateY(-6px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-2);
}
.rc-cover {
  position: relative;
  height: 190px;
  overflow: hidden;
  flex-shrink: 0;
}
.rc-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.related-card:hover .rc-cover img {
  transform: scale(1.06);
}
.rc-cat {
  position: absolute;
  top: 14px;
  left: 14px;
  display: inline-block;
  padding: 4px 14px;
  border-radius: 999px;
  background: rgba(8, 13, 24, 0.75);
  border: 1px solid var(--border-gold);
  color: var(--primary-light);
  font-size: 12px;
  font-weight: 600;
  backdrop-filter: blur(8px);
}
.rc-body {
  padding: 22px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.rc-body h3 {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: color 0.3s;
}
.related-card:hover .rc-body h3 {
  color: var(--primary-light);
}
.rc-body p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.6;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.rc-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  margin-top: auto;
  font-size: 13px;
  color: var(--text-3);
}
.rc-meta i {
  margin-right: 4px;
  color: var(--primary);
}
.rc-more {
  color: var(--primary-light);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap 0.3s;
}
.related-card:hover .rc-more {
  gap: 10px;
}
.no-related {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--text-2);
  font-size: 15px;
  background: var(--bg-card);
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-body);
}
.faq-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
}
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  cursor: pointer;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item:hover {
  border-color: var(--border-gold);
  box-shadow: var(--shadow-1);
}
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}
.faq-q h3 {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-1);
}
.faq-toggle {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(212, 165, 55, 0.12);
  border: 1px solid var(--border-gold);
  color: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform 0.3s;
}
.faq-item.open .faq-toggle {
  transform: rotate(45deg);
}
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 28px 0 0;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding-top: 14px;
}
.faq-a p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}

/* ===== CTA ===== */
.cta-section {
  padding: 0 0 var(--space-section);
  background: var(--bg-body);
}
.cta-box {
  position: relative;
  background: linear-gradient(135deg, var(--bg-elevated), var(--bg-deep));
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 64px 48px;
  text-align: center;
  overflow: hidden;
  isolation: isolate;
}
.cta-box::before {
  content: "";
  position: absolute;
  top: -60%;
  right: -10%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(212, 165, 55, 0.18), transparent 70%);
  z-index: -1;
}
.cta-box::after {
  content: "";
  position: absolute;
  bottom: -60%;
  left: -10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(232, 96, 61, 0.1), transparent 70%);
  z-index: -1;
}
.cta-box h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 800;
  margin-bottom: 14px;
}
.cta-box p {
  color: var(--text-2);
  font-size: 15px;
  max-width: 520px;
  margin: 0 auto 32px;
}
.cta-btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary-dark));
  color: var(--bg-deep);
  font-weight: 700;
  font-size: 15px;
  transition: transform 0.25s, box-shadow 0.3s;
}
.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 30px rgba(212, 165, 55, 0.4);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 34px;
  border-radius: 999px;
  border: 1px solid var(--border-gold);
  color: var(--primary-light);
  font-weight: 600;
  font-size: 15px;
  transition: background 0.3s, transform 0.25s, box-shadow 0.3s;
}
.btn-outline:hover {
  background: rgba(212, 165, 55, 0.1);
  transform: translateY(-3px);
  box-shadow: 0 6px 24px rgba(212, 165, 55, 0.15);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  border-top: 1px solid var(--border);
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 14px;
  color: var(--text-1);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand .logo-dot {
  width: 8px;
  height: 8px;
}
.footer-desc {
  font-size: 14px;
  color: var(--text-3);
  line-height: 1.7;
  max-width: 360px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-1);
  margin-bottom: 16px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--primary), transparent);
}
.footer-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 14px;
  color: var(--text-2);
  transition: color 0.3s, padding-left 0.3s;
}
.footer-links a:hover {
  color: var(--primary-light);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  border-top: 1px solid var(--border);
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-3);
}

/* ===== Utility ===== */
.nt-strip {
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary));
  background-size: 200% 100%;
  animation: stripShift 6s ease infinite;
}
@keyframes stripShift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.mobile-menu {
  display: none;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  :root {
    --space-section: 80px;
  }
  .article-layout {
    grid-template-columns: 1fr;
  }
  .article-sidebar {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 768px) {
  :root {
    --space-section: 64px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 16px;
    right: 16px;
    margin-top: 12px;
    background: var(--bg-glass);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 16px;
    box-shadow: var(--shadow-2);
  }
  .main-nav.open {
    display: block;
  }
  .main-nav ul {
    flex-direction: column;
    gap: 8px;
  }
  .main-nav a {
    display: block;
    text-align: center;
    width: 100%;
    padding: 14px;
    font-size: 15px;
  }
  .header-cta {
    display: none;
  }
  .article-box {
    padding: 28px 22px;
  }
  .article-hero {
    padding: 150px 0 60px;
  }
  .article-sidebar {
    grid-template-columns: 1fr;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .faq-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-box {
    padding: 44px 24px;
  }
  .cta-btns {
    flex-direction: column;
  }
  .cta-btns .btn-primary,
  .cta-btns .btn-outline {
    width: 100%;
    justify-content: center;
  }
}
@media (max-width: 520px) {
  :root {
    --space-section: 52px;
  }
  .container {
    padding: 0 16px;
  }
  .header-inner {
    padding: 6px 8px 6px 16px;
    border-radius: 24px;
  }
  .logo {
    font-size: 15px;
  }
  .logo-dot {
    width: 7px;
    height: 7px;
  }
  .article-hero h1 {
    font-size: 24px;
  }
  .article-hero-meta {
    gap: 12px;
    font-size: 13px;
  }
  .article-box {
    padding: 22px 16px;
    border-radius: var(--radius-md);
  }
  .section-head {
    margin-bottom: 32px;
  }
  .section-head h2 {
    font-size: 24px;
  }
  .rc-cover {
    height: 160px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category2 */
:root {
  --primary: #e8465a;
  --primary-dark: #c23044;
  --primary-light: #ff6b7f;
  --accent: #f5a623;
  --dark-1: #0b1020;
  --dark-2: #141a2e;
  --dark-3: #1d2538;
  --body-bg: #f6f7fb;
  --surface: #ffffff;
  --text-main: #1a2332;
  --text-muted: #5c6b82;
  --border: #e2e8f0;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --radius-pill: 50px;
  --shadow-sm: 0 4px 14px rgba(11, 16, 32, 0.06);
  --shadow-md: 0 12px 32px rgba(11, 16, 32, 0.08);
  --shadow-lg: 0 28px 64px rgba(11, 16, 32, 0.14);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-sans);
  background: var(--body-bg);
  color: var(--text-main);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img {
  max-width: 100%;
  display: block;
  object-fit: cover;
}
a {
  color: inherit;
  text-decoration: none;
}
button {
  font-family: inherit;
  border: none;
  cursor: pointer;
  background: none;
}
ul {
  list-style: none;
}
.container {
  width: 100%;
  max-width: 1220px;
  margin: 0 auto;
  padding: 0 24px;
}
.v-section {
  padding: 96px 0;
}
.section-head {
  max-width: 720px;
  margin-bottom: 52px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(232, 70, 90, 0.1);
  color: var(--primary);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 1px;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  text-transform: uppercase;
}
.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--dark-1);
}
.section-sub {
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.8;
}

/* 悬浮胶囊导航 */
.site-header {
  position: fixed;
  top: 18px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  width: calc(100% - 32px);
  max-width: 1200px;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(11, 16, 32, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 60px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
  transition: var(--transition);
}
.nav-logo {
  font-size: 18px;
  font-weight: 800;
  color: #fff;
  letter-spacing: 0.3px;
  white-space: nowrap;
  background: linear-gradient(120deg, #fff 20%, var(--primary-light) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  flex-shrink: 0;
}
.main-nav {
  flex: 1;
  display: flex;
  justify-content: center;
}
.main-nav ul {
  display: flex;
  align-items: center;
  gap: 4px;
}
.main-nav ul li a {
  display: block;
  padding: 10px 22px;
  border-radius: 40px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.3px;
  transition: var(--transition);
  white-space: nowrap;
}
.main-nav ul li a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-1px);
}
.main-nav ul li a.active {
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 6px 20px rgba(232, 70, 90, 0.4);
}
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: 40px;
  background: rgba(255, 255, 255, 0.1);
}
.nav-toggle span {
  width: 20px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}

/* 首屏 Hero */
.hero {
  position: relative;
  min-height: 82vh;
  display: flex;
  align-items: center;
  background: url("/assets/images/backpic/back-2.png") center 45% / cover no-repeat;
  isolation: isolate;
  padding: 180px 0 100px;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(11, 16, 32, 0.93) 0%, rgba(11, 16, 32, 0.68) 45%, rgba(11, 16, 32, 0.35) 100%);
  z-index: -1;
}
.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 80% 30%, rgba(232, 70, 90, 0.2), transparent 55%);
  z-index: -1;
}
.hero .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  margin-bottom: 24px;
}
.hero .breadcrumb a:hover {
  color: #fff;
}
.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 18px;
  border-radius: var(--radius-pill);
  margin-bottom: 20px;
  backdrop-filter: blur(8px);
}
.hero-tag::before {
  content: "";
  width: 7px;
  height: 7px;
  background: var(--primary-light);
  border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.75); }
}
.hero h1 {
  max-width: 780px;
  font-size: clamp(36px, 5.6vw, 60px);
  font-weight: 900;
  line-height: 1.15;
  color: #fff;
  letter-spacing: -0.02em;
}
.hero h1 .highlight {
  background: linear-gradient(120deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.hero p.lead {
  max-width: 640px;
  margin-top: 24px;
  font-size: 17px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.75);
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 36px;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.4px;
  transition: var(--transition);
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.15);
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 38px rgba(232, 70, 90, 0.42);
}
.btn-ghost {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #fff;
  box-shadow: none;
  backdrop-filter: blur(8px);
}
.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-2px);
}
.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}
.hero-meta span {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}
.hero-meta span strong {
  color: #fff;
  font-weight: 700;
  margin-right: 6px;
}

/* 赛事分类卡片 */
.sports-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
}
.sport-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--surface);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  min-height: 340px;
}
.sport-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.sport-card .cover {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.sport-card .cover img {
  width: 100%;
  height: 100%;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.sport-card:hover .cover img {
  transform: scale(1.08);
}
.sport-card .cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(11, 16, 32, 0.6) 100%);
}
.sport-card .badge {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: rgba(11, 16, 32, 0.72);
  backdrop-filter: blur(10px);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  border: 1px solid rgba(255, 255, 255, 0.2);
}
.sport-card .body {
  flex: 1;
  padding: 24px 24px 28px;
  display: flex;
  flex-direction: column;
}
.sport-card .body h3 {
  font-size: 20px;
  font-weight: 700;
  color: var(--dark-1);
  margin-bottom: 10px;
}
.sport-card .body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.75;
  flex: 1;
}
.sport-card .link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  margin-top: 20px;
  transition: var(--transition);
}
.sport-card .link i {
  transition: transform 0.3s;
}
.sport-card .link:hover i {
  transform: translateX(5px);
}

/* 数据面板 */
.stats-panel {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: url("/assets/images/backpic/back-3.png") center / cover no-repeat;
  isolation: isolate;
  padding: 72px 56px;
}
.stats-panel::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(11, 16, 32, 0.95) 20%, rgba(20, 26, 46, 0.88) 60%, rgba(11, 16, 32, 0.75));
  z-index: -1;
}
.stats-panel::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 28px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  pointer-events: none;
}
.stats-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 24px;
  margin-bottom: 52px;
}
.stats-head h2 {
  color: #fff;
  font-size: clamp(26px, 3.6vw, 38px);
  font-weight: 800;
  max-width: 420px;
  line-height: 1.3;
}
.stats-head p {
  max-width: 340px;
  color: rgba(255, 255, 255, 0.65);
  font-size: 15px;
  line-height: 1.8;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  text-align: center;
  backdrop-filter: blur(10px);
  transition: var(--transition);
}
.stat-item:hover {
  background: rgba(255, 255, 255, 0.12);
  transform: translateY(-4px);
}
.stat-num {
  font-size: 42px;
  font-weight: 900;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.stat-num span {
  font-size: 22px;
  color: var(--accent);
  margin-left: 2px;
}
.stat-label {
  margin-top: 10px;
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  font-weight: 500;
}

/* 资讯列表 */
.news-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.news-item {
  display: flex;
  gap: 22px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 20px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}
.news-item:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-3px);
  border-color: rgba(232, 70, 90, 0.2);
}
.news-thumb {
  position: relative;
  width: 158px;
  height: 118px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  flex-shrink: 0;
}
.news-thumb img {
  width: 100%;
  height: 100%;
  transition: transform 0.5s;
}
.news-item:hover .news-thumb img {
  transform: scale(1.05);
}
.news-thumb .cat {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background: rgba(11, 16, 32, 0.78);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 20px;
  backdrop-filter: blur(6px);
}
.news-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.news-info .date {
  font-size: 12px;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.news-info .date::before {
  content: "";
  width: 5px;
  height: 5px;
  background: var(--primary);
  border-radius: 50%;
}
.news-info h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--dark-1);
  line-height: 1.5;
  margin-bottom: 8px;
  transition: color 0.3s;
}
.news-item:hover .news-info h3 {
  color: var(--primary);
}
.news-info .excerpt {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* 流程时间线 */
.process-section {
  background: var(--dark-1);
  position: relative;
  overflow: hidden;
}
.process-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 20% 40%, rgba(232, 70, 90, 0.12), transparent 50%), radial-gradient(ellipse at 80% 60%, rgba(245, 166, 35, 0.08), transparent 45%);
}
.process-section .section-title {
  color: #fff;
}
.process-section .section-sub {
  color: rgba(255, 255, 255, 0.6);
}
.timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 28px;
}
.tl-item {
  position: relative;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: var(--transition);
  backdrop-filter: blur(8px);
}
.tl-item:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(232, 70, 90, 0.35);
  transform: translateY(-6px);
}
.tl-step {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 17px;
  font-weight: 800;
  margin-bottom: 20px;
  box-shadow: 0 10px 26px rgba(232, 70, 90, 0.35);
}
.tl-item h3 {
  color: #fff;
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
}
.tl-item p {
  color: rgba(255, 255, 255, 0.56);
  font-size: 14px;
  line-height: 1.75;
}

/* FAQ */
.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
  box-shadow: none;
}
.faq-item:hover {
  border-color: rgba(232, 70, 90, 0.3);
  box-shadow: var(--shadow-sm);
}
.faq-item summary {
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  padding: 22px 28px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--dark-1);
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker {
  display: none;
}
.faq-item summary .faq-icon {
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  border-radius: 50%;
  background: rgba(232, 70, 90, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 400;
  transition: transform 0.4s, background 0.3s, color 0.3s;
}
.faq-item details[open] summary .faq-icon {
  transform: rotate(135deg);
  background: var(--primary);
  color: #fff;
}
.faq-item .faq-body {
  padding: 0 28px 24px;
  color: var(--text-muted);
  font-size: 14px;
  line-height: 1.8;
}

/* CTA */
.cta-band {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  background: url("/assets/images/backpic/back-1.png") center / cover no-repeat;
  padding: 72px 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 32px;
  isolation: isolate;
}
.cta-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(232, 70, 90, 0.95), rgba(194, 48, 68, 0.88));
  z-index: -1;
}
.cta-band h2 {
  color: #fff;
  font-size: clamp(24px, 3.4vw, 36px);
  font-weight: 800;
  line-height: 1.3;
  max-width: 520px;
}
.cta-band p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 15px;
  margin-top: 10px;
  max-width: 520px;
}
.cta-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-light {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.18);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 44px rgba(0, 0, 0, 0.25);
}
.btn-outline-light {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
  box-shadow: none;
}
.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
  transform: translateY(-2px);
}

/* 页脚 */
.site-footer {
  background: var(--dark-1);
  color: #fff;
  padding: 72px 0 30px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-brand {
  font-size: 22px;
  font-weight: 800;
  background: linear-gradient(120deg, #fff 20%, var(--primary-light) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: 14px;
}
.footer-desc {
  color: rgba(255, 255, 255, 0.5);
  font-size: 14px;
  line-height: 1.8;
  max-width: 360px;
}
.footer-col h4 {
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 20px;
}
.footer-links li {
  margin-bottom: 12px;
}
.footer-links a {
  color: rgba(255, 255, 255, 0.52);
  font-size: 14px;
  transition: var(--transition);
  display: inline-block;
}
.footer-links a:hover {
  color: var(--primary-light);
  transform: translateX(4px);
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 28px;
  color: rgba(255, 255, 255, 0.35);
  font-size: 13px;
}

/* 响应式 */
@media (max-width: 1024px) {
  .sports-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .news-wrap {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}
@media (max-width: 768px) {
  .v-section {
    padding: 68px 0;
  }
  .site-header {
    top: 12px;
    width: calc(100% - 20px);
    padding: 8px 16px;
  }
  .nav-toggle {
    display: flex;
  }
  .main-nav {
    position: fixed;
    top: 76px;
    left: 12px;
    right: 12px;
    background: rgba(11, 16, 32, 0.96);
    border-radius: 20px;
    padding: 16px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-12px);
    transition: var(--transition);
    backdrop-filter: blur(20px);
  }
  .main-nav.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .main-nav ul li a {
    padding: 12px 20px;
    text-align: center;
    color: rgba(255, 255, 255, 0.8);
  }
  .hero {
    min-height: auto;
    padding: 140px 0 72px;
  }
  .hero h1 {
    font-size: 34px;
  }
  .hero p.lead {
    font-size: 15px;
  }
  .hero-meta {
    gap: 16px;
    margin-top: 36px;
  }
  .cta-band {
    padding: 48px 28px;
  }
  .stats-panel {
    padding: 44px 28px;
  }
  .stats-head {
    flex-direction: column;
    align-items: flex-start;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .timeline {
    grid-template-columns: 1fr;
  }
  .news-item {
    flex-direction: column;
  }
  .news-thumb {
    width: 100%;
    height: 180px;
  }
}
@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }
  .sports-grid {
    grid-template-columns: 1fr;
  }
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .hero-actions .btn {
    width: 100%;
  }
  .hero-meta span {
    font-size: 12px;
  }
  .btn {
    padding: 13px 24px;
    font-size: 14px;
  }
  .section-title {
    font-size: 26px;
  }
  .section-head {
    margin-bottom: 36px;
  }
  .cta-actions .btn {
    width: 100%;
  }
}

/* roulang page: category3 */
:root {
      --bg-void: #080c12;
      --bg-deep: #0d1420;
      --bg-panel: #131c2a;
      --bg-card: #182233;
      --bg-soft: #1e2a3f;
      --brand-primary: #e8b04b;
      --brand-secondary: #7ed3d0;
      --brand-glow: rgba(232, 176, 75, 0.35);
      --text-main: #f2ede3;
      --text-soft: #aab4c4;
      --text-muted: #6d7788;
      --border-line: rgba(126, 211, 208, 0.14);
      --border-gold: rgba(232, 176, 75, 0.24);
      --radius-md: 14px;
      --radius-lg: 24px;
      --radius-full: 999px;
      --shadow-card: 0 18px 42px rgba(0, 0, 0, 0.4), 0 2px 8px rgba(0, 0, 0, 0.25);
      --shadow-hover: 0 24px 60px rgba(0, 0, 0, 0.55), 0 4px 16px rgba(232, 176, 75, 0.08);
      --space-section: 96px;
      --container-max: 1240px;
      --font-main: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: var(--font-main);
      background: var(--bg-void);
      color: var(--text-main);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    img {
      max-width: 100%;
      display: block;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color .3s ease;
    }

    ul {
      list-style: none;
    }

    button,
    input {
      font-family: inherit;
      font-size: inherit;
      border: none;
      outline: none;
      background: none;
    }

    .container {
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 28px;
    }

    /* ===== 悬浮胶囊导航 ===== */
    .site-header {
      position: fixed;
      top: 18px;
      left: 0;
      right: 0;
      z-index: 100;
      padding: 0 24px;
      pointer-events: none;
    }

    .nav-shell {
      max-width: 1100px;
      margin: 0 auto;
      background: rgba(14, 20, 32, 0.76);
      backdrop-filter: blur(18px) saturate(130%);
      -webkit-backdrop-filter: blur(18px) saturate(130%);
      border: 1px solid rgba(126, 211, 208, 0.2);
      border-radius: var(--radius-full);
      padding: 12px 22px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 18px;
      box-shadow: 0 10px 36px rgba(0, 0, 0, 0.55);
      pointer-events: auto;
    }

    .brand-logo {
      font-size: 1.18rem;
      font-weight: 900;
      letter-spacing: 0.04em;
      color: var(--text-main);
      display: flex;
      align-items: center;
      gap: 10px;
      white-space: nowrap;
    }

    .brand-logo i {
      color: var(--brand-primary);
      font-size: 1.24rem;
    }

    .brand-logo em {
      font-style: normal;
      color: var(--brand-primary);
      font-weight: 700;
    }

    .main-nav ul {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .main-nav a {
      position: relative;
      display: inline-block;
      padding: 8px 16px;
      border-radius: var(--radius-full);
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-soft);
      transition: color .3s ease, background .3s ease, box-shadow .3s ease;
    }

    .main-nav a:hover {
      color: var(--text-main);
      background: rgba(232, 176, 75, 0.12);
    }

    .main-nav a.active {
      color: #0c0f14;
      background: linear-gradient(135deg, #f4c76e, #daa138);
      box-shadow: 0 4px 18px rgba(232, 176, 75, 0.4);
      font-weight: 700;
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 8px 20px;
      border-radius: var(--radius-full);
      border: 1px solid var(--border-gold);
      color: var(--brand-primary);
      font-size: 0.88rem;
      font-weight: 500;
      transition: background .3s ease, transform .25s ease;
      white-space: nowrap;
    }

    .nav-cta:hover {
      background: rgba(232, 176, 75, 0.16);
      transform: translateY(-2px);
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, 0.06);
      color: var(--text-main);
      font-size: 1.2rem;
      cursor: pointer;
      align-items: center;
      justify-content: center;
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* ===== 页面 Banner ===== */
    .page-banner {
      position: relative;
      min-height: 420px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      background: linear-gradient(135deg, #0a0f16 0%, #0d1630 60%, #08131a 100%);
      overflow: hidden;
      padding: 140px 24px 72px;
    }

    .page-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
      opacity: 0.4;
      filter: saturate(0.9) brightness(0.9);
    }

    .page-banner::after {
      content: '';
      position: absolute;
      inset: 0;
      background: radial-gradient(ellipse at 50% 100%, rgba(232, 176, 75, 0.16) 0%, transparent 60%),
        linear-gradient(180deg, rgba(8, 12, 18, 0.7) 0%, rgba(8, 12, 18, 0.3) 50%, rgba(8, 12, 18, 0.85) 100%);
    }

    .page-banner .container {
      position: relative;
      z-index: 2;
    }

    .page-banner .banner-tag {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 7px 18px;
      border-radius: var(--radius-full);
      background: rgba(232, 176, 75, 0.14);
      border: 1px solid var(--border-gold);
      color: var(--brand-primary);
      font-size: 0.84rem;
      font-weight: 500;
      letter-spacing: 0.1em;
      margin-bottom: 20px;
    }

    .page-banner h1 {
      font-size: 3rem;
      font-weight: 900;
      line-height: 1.2;
      letter-spacing: 0.02em;
      margin-bottom: 18px;
    }

    .page-banner h1 span {
      color: var(--brand-primary);
    }

    .page-banner p {
      max-width: 640px;
      margin: 0 auto;
      color: var(--text-soft);
      font-size: 1.08rem;
      line-height: 1.8;
    }

    .banner-meta {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
      margin-top: 30px;
    }

    .banner-meta .meta-item {
      display: flex;
      align-items: center;
      gap: 8px;
      padding: 8px 16px;
      border-radius: var(--radius-full);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.88rem;
      color: var(--text-soft);
    }

    .banner-meta .meta-item i {
      color: var(--brand-secondary);
    }

    /* ===== 通用板块 ===== */
    .section-block {
      padding: var(--space-section) 0;
      position: relative;
    }

    .section-alt {
      background: var(--bg-deep);
    }

    .section-head {
      max-width: 720px;
      margin: 0 auto 52px;
      text-align: center;
    }

    .section-eyebrow {
      display: inline-block;
      padding: 6px 16px;
      border-radius: var(--radius-full);
      background: rgba(126, 211, 208, 0.12);
      border: 1px solid var(--border-line);
      color: var(--brand-secondary);
      font-size: 0.8rem;
      font-weight: 500;
      letter-spacing: 0.12em;
      margin-bottom: 16px;
    }

    .section-head h2 {
      font-size: 2.1rem;
      font-weight: 800;
      line-height: 1.35;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
    }

    .section-head h2 em {
      font-style: normal;
      color: var(--brand-primary);
    }

    .section-head p {
      color: var(--text-soft);
      font-size: 1rem;
      line-height: 1.8;
    }

    /* ===== 简介区 ===== */
    .intro-block {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 56px;
      align-items: center;
    }

    .intro-copy h3 {
      font-size: 1.7rem;
      font-weight: 800;
      line-height: 1.4;
      margin-bottom: 22px;
    }

    .intro-copy h3 span {
      color: var(--brand-primary);
    }

    .intro-copy p {
      color: var(--text-soft);
      margin-bottom: 18px;
      font-size: 1.02rem;
    }

    .intro-points {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 14px;
      margin-top: 26px;
    }

    .intro-points li {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 12px 16px;
      border-radius: var(--radius-md);
      background: rgba(255, 255, 255, 0.04);
      border: 1px solid rgba(255, 255, 255, 0.06);
      font-size: 0.94rem;
      color: var(--text-main);
      transition: border-color .3s, background .3s;
    }

    .intro-points li:hover {
      border-color: var(--border-gold);
      background: rgba(232, 176, 75, 0.06);
    }

    .intro-points i {
      color: var(--brand-primary);
    }

    .intro-visual {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border-line);
    }

    .intro-visual img {
      width: 100%;
      height: 360px;
      object-fit: cover;
    }

    .intro-visual .visual-overlay {
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 16px;
      padding: 16px 20px;
      border-radius: 16px;
      background: rgba(8, 12, 18, 0.75);
      backdrop-filter: blur(14px);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    .intro-visual .visual-overlay strong {
      display: block;
      font-size: 1rem;
      margin-bottom: 4px;
    }

    .intro-visual .visual-overlay span {
      font-size: 0.86rem;
      color: var(--text-soft);
    }

    /* ===== 指南卡片网格 ===== */
    .guide-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }

    .guide-card {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.07);
      box-shadow: var(--shadow-card);
      transition: transform .4s ease, box-shadow .4s ease;
    }

    .guide-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-hover);
    }

    .guide-card .card-img {
      height: 160px;
      overflow: hidden;
      position: relative;
    }

    .guide-card .card-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .6s ease;
    }

    .guide-card:hover .card-img img {
      transform: scale(1.06);
    }

    .guide-card .card-img::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 45%, rgba(13, 20, 32, 0.92) 100%);
    }

    .guide-card .card-index {
      position: absolute;
      top: 14px;
      left: 14px;
      z-index: 2;
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: rgba(8, 12, 18, 0.65);
      backdrop-filter: blur(8px);
      border: 1px solid rgba(232, 176, 75, 0.4);
      color: var(--brand-primary);
      font-weight: 800;
      font-size: 0.92rem;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .guide-card .card-body {
      padding: 20px;
    }

    .guide-card h3 {
      font-size: 1.08rem;
      font-weight: 700;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .guide-card h3 i {
      color: var(--brand-secondary);
      font-size: 1rem;
    }

    .guide-card p {
      color: var(--text-soft);
      font-size: 0.92rem;
      line-height: 1.7;
    }

    .guide-card .card-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      margin-top: 16px;
      font-size: 0.88rem;
      font-weight: 600;
      color: var(--brand-primary);
      transition: gap .3s;
    }

    .guide-card .card-link:hover {
      gap: 10px;
    }

    /* ===== 时间线 ===== */
    .timeline-wrap {
      position: relative;
      max-width: 860px;
      margin: 0 auto;
      padding: 20px 0;
    }

    .timeline-wrap::before {
      content: '';
      position: absolute;
      top: 40px;
      bottom: 40px;
      left: 31px;
      width: 2px;
      background: linear-gradient(180deg, rgba(232, 176, 75, 0.6), rgba(126, 211, 208, 0.4), rgba(126, 211, 208, 0.1));
    }

    .timeline-item {
      position: relative;
      padding: 0 0 36px 84px;
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-dot {
      position: absolute;
      left: 16px;
      top: 6px;
      width: 32px;
      height: 32px;
      border-radius: 50%;
      background: var(--bg-void);
      border: 2px solid var(--brand-primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.78rem;
      font-weight: 800;
      color: var(--brand-primary);
      box-shadow: 0 0 0 5px rgba(232, 176, 75, 0.12);
      z-index: 2;
    }

    .timeline-panel {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: var(--radius-md);
      padding: 22px 24px;
      transition: transform .3s, box-shadow .3s, border-color .3s;
    }

    .timeline-panel:hover {
      transform: translateX(4px);
      border-color: var(--border-gold);
      box-shadow: var(--shadow-card);
    }

    .timeline-panel h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 6px;
    }

    .timeline-panel h3 span {
      color: var(--brand-primary);
      margin-right: 8px;
    }

    .timeline-panel p {
      color: var(--text-soft);
      font-size: 0.96rem;
      line-height: 1.7;
    }

    /* ===== 属性面板 / 数据卡 ===== */
    .panel-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .stat-panel {
      background: linear-gradient(160deg, #1c2a3e 0%, #131c2c 100%);
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: var(--radius-md);
      padding: 24px;
      position: relative;
      overflow: hidden;
      transition: transform .35s, box-shadow .35s;
    }

    .stat-panel::before {
      content: '';
      position: absolute;
      top: -40px;
      right: -40px;
      width: 100px;
      height: 100px;
      border-radius: 50%;
      background: rgba(232, 176, 75, 0.08);
      pointer-events: none;
    }

    .stat-panel:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
    }

    .stat-panel .stat-icon {
      width: 48px;
      height: 48px;
      border-radius: 12px;
      background: rgba(232, 176, 75, 0.12);
      border: 1px solid rgba(232, 176, 75, 0.22);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.3rem;
      color: var(--brand-primary);
      margin-bottom: 16px;
    }

    .stat-panel .stat-num {
      font-size: 2rem;
      font-weight: 900;
      letter-spacing: -0.02em;
      color: var(--text-main);
      margin-bottom: 6px;
    }

    .stat-panel .stat-num i {
      color: var(--brand-primary);
      font-style: normal;
    }

    .stat-panel .stat-label {
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--text-soft);
      margin-bottom: 10px;
    }

    .stat-panel p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* ===== 观赛入口区块 ===== */
    .watch-option-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }

    .watch-option {
      background: var(--bg-panel);
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.06);
      overflow: hidden;
      transition: transform .35s, box-shadow .35s, border-color .35s;
      display: flex;
      flex-direction: column;
    }

    .watch-option:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-hover);
      border-color: var(--border-gold);
    }

    .watch-option .option-img {
      height: 160px;
      overflow: hidden;
    }

    .watch-option .option-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .6s;
    }

    .watch-option:hover .option-img img {
      transform: scale(1.05);
    }

    .watch-option .option-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .watch-option .option-tag {
      align-self: flex-start;
      padding: 4px 12px;
      border-radius: var(--radius-full);
      font-size: 0.76rem;
      font-weight: 600;
      letter-spacing: 0.05em;
      margin-bottom: 12px;
    }

    .tag-gold {
      background: rgba(232, 176, 75, 0.16);
      color: var(--brand-primary);
      border: 1px solid rgba(232, 176, 75, 0.3);
    }

    .tag-teal {
      background: rgba(126, 211, 208, 0.14);
      color: var(--brand-secondary);
      border: 1px solid rgba(126, 211, 208, 0.28);
    }

    .tag-plain {
      background: rgba(255, 255, 255, 0.08);
      color: var(--text-soft);
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .watch-option h3 {
      font-size: 1.16rem;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .watch-option p {
      color: var(--text-soft);
      font-size: 0.93rem;
      line-height: 1.7;
      flex: 1;
    }

    .watch-option .option-list {
      margin-top: 14px;
      display: grid;
      gap: 6px;
    }

    .watch-option .option-list li {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 0.88rem;
      color: var(--text-soft);
    }

    .watch-option .option-list i {
      color: var(--brand-secondary);
      font-size: 0.78rem;
    }

    /* ===== FAQ ===== */
    .faq-wrap {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-panel);
      border: 1px solid rgba(255, 255, 255, 0.07);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color .3s, box-shadow .3s;
    }

    .faq-item:hover {
      border-color: var(--border-gold);
    }

    .faq-question {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      padding: 20px 24px;
      text-align: left;
      cursor: pointer;
      font-size: 1rem;
      font-weight: 600;
      color: var(--text-main);
      background: none;
    }

    .faq-question i {
      color: var(--brand-primary);
      font-size: 0.9rem;
      transition: transform .35s;
      flex-shrink: 0;
    }

    .faq-item.open .faq-question i {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height .4s ease, padding .4s ease;
      padding: 0 24px;
    }

    .faq-item.open .faq-answer {
      max-height: 260px;
      padding: 0 24px 20px;
    }

    .faq-answer p {
      color: var(--text-soft);
      font-size: 0.95rem;
      line-height: 1.8;
      border-left: 2px solid rgba(232, 176, 75, 0.5);
      padding-left: 14px;
    }

    /* ===== CTA ===== */
    .cta-block {
      background: linear-gradient(135deg, #101a28 0%, #121f31 50%, #0a141d 100%);
      border-radius: var(--radius-lg);
      padding: 56px 48px;
      text-align: center;
      position: relative;
      overflow: hidden;
      border: 1px solid rgba(232, 176, 75, 0.18);
    }

    .cta-block::before {
      content: '';
      position: absolute;
      inset: 0;
      background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
      opacity: 0.14;
    }

    .cta-block .cta-inner {
      position: relative;
      z-index: 2;
    }

    .cta-block h2 {
      font-size: 2rem;
      font-weight: 900;
      margin-bottom: 14px;
      letter-spacing: 0.02em;
    }

    .cta-block h2 span {
      color: var(--brand-primary);
    }

    .cta-block p {
      color: var(--text-soft);
      max-width: 560px;
      margin: 0 auto 28px;
      font-size: 1.02rem;
      line-height: 1.8;
    }

    .btn-group {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 14px;
    }

    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: var(--radius-full);
      background: linear-gradient(135deg, #f4c76e, #d6a03a);
      color: #0c0f14;
      font-weight: 700;
      font-size: 0.98rem;
      box-shadow: 0 8px 28px rgba(232, 176, 75, 0.35);
      transition: transform .3s, box-shadow .3s, filter .3s;
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 14px 36px rgba(232, 176, 75, 0.5);
      filter: brightness(1.06);
    }

    .btn-ghost {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 30px;
      border-radius: var(--radius-full);
      border: 1px solid rgba(126, 211, 208, 0.4);
      color: var(--brand-secondary);
      font-weight: 500;
      font-size: 0.96rem;
      transition: background .3s, transform .3s, box-shadow .3s;
    }

    .btn-ghost:hover {
      background: rgba(126, 211, 208, 0.12);
      transform: translateY(-3px);
      box-shadow: 0 10px 28px rgba(126, 211, 208, 0.14);
    }

    /* ===== 页脚 ===== */
    .site-footer {
      background: #070a0f;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      padding: 64px 0 32px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 44px;
    }

    .footer-brand {
      font-size: 1.28rem;
      font-weight: 800;
      margin-bottom: 14px;
      color: var(--text-main);
      letter-spacing: 0.03em;
    }

    .footer-desc {
      color: var(--text-muted);
      font-size: 0.92rem;
      line-height: 1.8;
      max-width: 420px;
    }

    .footer-col h4 {
      font-size: 0.94rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 18px;
      letter-spacing: 0.04em;
    }

    .footer-links {
      display: grid;
      gap: 10px;
    }

    .footer-links a {
      color: var(--text-soft);
      font-size: 0.9rem;
      transition: color .3s, padding-left .3s;
    }

    .footer-links a:hover {
      color: var(--brand-primary);
      padding-left: 4px;
    }

    .footer-bottom {
      display: flex;
      justify-content: space-between;
      align-items: center;
      flex-wrap: wrap;
      gap: 12px;
      padding-top: 22px;
      border-top: 1px solid rgba(255, 255, 255, 0.06);
      color: var(--text-muted);
      font-size: 0.84rem;
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1100px) {
      .guide-grid {
        grid-template-columns: repeat(3, 1fr);
      }
      .panel-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 1024px) {
      :root {
        --space-section: 72px;
      }
      .intro-block {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .intro-visual {
        max-width: 100%;
      }
      .watch-option-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .nav-cta {
        display: none;
      }
    }

    @media (max-width: 768px) {
      .site-header {
        top: 12px;
        padding: 0 14px;
      }
      .nav-shell {
        padding: 10px 12px;
        border-radius: 20px;
      }
      .nav-toggle {
        display: flex;
      }
      .main-nav {
        position: absolute;
        top: 66px;
        left: 14px;
        right: 14px;
        background: rgba(14, 20, 32, 0.96);
        backdrop-filter: blur(20px);
        border-radius: 18px;
        border: 1px solid rgba(126, 211, 208, 0.2);
        padding: 14px;
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: opacity .3s, transform .3s, visibility .3s;
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
      }
      .main-nav.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
      }
      .main-nav ul {
        flex-direction: column;
        gap: 6px;
      }
      .main-nav a {
        display: block;
        padding: 12px 16px;
      }
      .page-banner {
        min-height: 380px;
        padding: 120px 20px 56px;
      }
      .page-banner h1 {
        font-size: 2.2rem;
      }
      .page-banner p {
        font-size: 1rem;
      }
      .section-head h2 {
        font-size: 1.6rem;
      }
      .guide-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .cta-block {
        padding: 40px 22px;
      }
      .timeline-item {
        padding-left: 70px;
      }
      .timeline-wrap::before {
        left: 27px;
      }
      .timeline-dot {
        left: 12px;
      }
    }

    @media (max-width: 520px) {
      :root {
        --space-section: 56px;
      }
      .brand-logo {
        font-size: 1rem;
      }
      .guide-grid {
        grid-template-columns: 1fr;
      }
      .panel-grid {
        grid-template-columns: 1fr;
      }
      .watch-option-grid {
        grid-template-columns: 1fr;
      }
      .intro-points {
        grid-template-columns: 1fr;
      }
      .timeline-item {
        padding-left: 58px;
      }
      .timeline-panel {
        padding: 16px 16px;
      }
      .page-banner {
        min-height: 340px;
      }
      .btn-group {
        flex-direction: column;
        align-items: stretch;
      }
      .btn-primary,
      .btn-ghost {
        justify-content: center;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }
