/* roulang page: index */
:root{
  --paper:#F5F3EE;
  --paper-2:#EAE7DE;
  --card:#FFFFFF;
  --ink:#12140F;
  --ink-2:#5A5F55;
  --line:#DFDAD0;
  --line-strong:#C9C3B6;
  --accent:#FF4A1C;
  --live:#12B76A;
  --radius:6px;
  --radius-btn:2px;
  --shadow-hover:0 12px 32px rgba(18,20,15,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --max:1240px;
  --pad:48px;
  --pad-sm:20px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.2;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{display:block;max-width:100%;border-radius:var(--radius);border:1px solid var(--line);}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1;}
.container{max-width:var(--max);margin:0 auto;padding:0 var(--pad);width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:border-color .28s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line-strong);}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:0 var(--pad);
  height:76px;display:flex;align-items:center;gap:34px;
  transition:height .28s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px;}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:18px;font-weight:800;letter-spacing:-.03em;color:var(--ink);
  white-space:nowrap;
}
.brand-mark{width:8px;height:8px;background:var(--accent);border-radius:2px;flex:none;}
.brand-sub{font-weight:500;letter-spacing:-.01em;}
.nav{margin-left:auto;display:flex;align-items:center;gap:28px;}
.nav a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .24s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:10px;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav a:hover,.nav a.is-active{color:var(--ink);}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1);}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:44px;padding:0 20px;
  border:1px solid var(--ink);border-radius:var(--radius-btn);
  font-size:14px;font-weight:500;color:var(--ink);background:transparent;
  transition:background .24s var(--ease),color .24s var(--ease),transform .24s var(--ease);
}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px);}
.btn-outline:active{transform:translateY(0);}
.nav-cta{flex:none;}
.menu-toggle{
  display:none;align-items:center;gap:10px;margin-left:auto;
  min-height:44px;padding:0 4px;font-size:15px;font-weight:500;color:var(--ink);
}
.menu-lines{display:inline-flex;flex-direction:column;gap:5px;width:22px;}
.menu-lines i{display:block;height:1px;background:var(--ink);width:100%;}

/* ---------- Drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--paper);
  display:none;flex-direction:column;
  padding:22px var(--pad-sm) 40px;overflow-y:auto;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:20px;border-bottom:1px solid var(--line);}
.drawer-close{min-height:44px;font-size:15px;font-weight:500;color:var(--ink-2);}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:64px;padding:0 2px;
  font-size:21px;font-weight:600;letter-spacing:-.01em;
  border-bottom:1px solid var(--line);
}
.drawer-nav a::after{content:"→";font-size:16px;color:var(--ink-2);font-weight:400;}
.drawer-cta{margin-top:28px;}

/* ---------- Buttons ---------- */
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:0 30px;
  background:var(--accent);color:#fff;
  border-radius:var(--radius-btn);border:1px solid var(--accent);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:transform .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,74,28,.24);background:#F03D10;}
.btn-solid:active{transform:translateY(0);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  width:100%;min-height:48px;padding:0 20px;
  border:1px solid var(--line-strong);border-radius:var(--radius-btn);
  background:transparent;color:var(--ink);font-size:15px;font-weight:500;
  transition:background .24s var(--ease),color .24s var(--ease),border-color .24s var(--ease);
}
.btn-ghost:hover{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.link-underline{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:500;color:var(--ink);padding-bottom:2px;
}
.link-underline::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:currentColor;transform:scaleX(1);transform-origin:left center;
  transition:transform .28s var(--ease);
}
.link-underline:hover::after{transform:scaleX(1);background:var(--accent);}
.link-underline:hover{color:var(--accent);}

/* ---------- Section base ---------- */
.section{padding:104px 0;}
.section-alt{background:var(--paper-2);}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:32px;margin-bottom:52px;
}
.kicker{
  font-size:13px;font-weight:600;letter-spacing:.1em;
  color:var(--accent);margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3.1vw,40px);letter-spacing:-.025em;}
.section-head p.lead{font-size:16px;color:var(--ink-2);margin-top:14px;max-width:640px;}

/* ---------- Hero ---------- */
.hero{padding:88px 0 0;}
.hero-grid{
  display:grid;grid-template-columns:repeat(12,1fr);
  gap:48px 32px;align-items:start;
}
.hero-main{grid-column:1 / span 8;}
.hero-figure{grid-column:9 / span 4;margin:0;}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:500;color:var(--ink-2);
  border:1px solid var(--line);border-radius:999px;
  padding:5px 14px;margin-bottom:26px;background:var(--card);
}
.dot-live{width:7px;height:7px;border-radius:50%;background:var(--live);box-shadow:0 0 0 3px rgba(18,183,106,.16);}
.hero-title{
  font-size:clamp(34px,5.1vw,68px);
  line-height:1.08;letter-spacing:-.03em;font-weight:800;
  max-width:14em;
}
.hero-sub{
  margin-top:28px;max-width:560px;
  font-size:17px;line-height:1.85;color:var(--ink-2);
}
.hero-actions{display:flex;align-items:center;gap:28px;margin-top:38px;flex-wrap:wrap;}
.hero-figure img{width:100%;aspect-ratio:3/4;object-fit:cover;}
.hero-figure figcaption{
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--ink-2);line-height:1.7;
}
.statbar{
  margin-top:76px;display:grid;grid-template-columns:repeat(4,1fr);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:26px 28px 26px 0;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat strong{
  display:block;font-size:34px;font-weight:700;letter-spacing:-.03em;line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat strong em{font-size:15px;font-style:normal;font-weight:500;color:var(--ink-2);margin-left:2px;}
.stat span{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-2);}

/* ---------- Timeline ---------- */
.timeline{border-top:1px solid var(--line);}
.tl-row{
  display:grid;grid-template-columns:92px 28px minmax(0,1fr) 64px;
  align-items:center;gap:22px;
  padding:20px 18px;margin:0 -18px;
  border-bottom:1px solid var(--line);
  transition:background .26s var(--ease);
}
.tl-row:hover{background:var(--paper-2);}
.tl-time{
  font-size:15px;color:var(--ink-2);font-variant-numeric:tabular-nums;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  letter-spacing:.02em;
}
.tl-node{position:relative;display:flex;align-items:center;justify-content:center;align-self:stretch;}
.tl-node::before{
  content:"";position:absolute;top:-21px;bottom:-21px;left:50%;
  width:1px;background:var(--line);transform:translateX(-50%);
}
.tl-dot{
  position:relative;z-index:1;width:8px;height:8px;border-radius:50%;
  background:var(--paper);border:1px solid var(--line-strong);
  transition:width .26s var(--ease),height .26s var(--ease),background .26s var(--ease),box-shadow .26s var(--ease);
}
.tl-row:hover .tl-dot{width:10px;height:10px;background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 5px rgba(255,74,28,.14);}
.tl-row.is-live .tl-dot{background:var(--accent);border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,74,28,.16);}
.tl-body h3{
  font-size:18px;font-weight:600;letter-spacing:-.01em;
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
}
.tl-body p{margin-top:5px;font-size:13.5px;color:var(--ink-2);}
.tl-action a{
  font-size:14px;color:var(--ink-2);border-bottom:1px solid transparent;
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.tl-row:hover .tl-action a{color:var(--ink);border-bottom-color:var(--accent);}
.badge-live{
  display:inline-flex;align-items:center;gap:5px;
  font-size:12px;font-weight:500;color:var(--live);
  background:rgba(18,183,106,.1);border-radius:999px;padding:2px 10px;
}
.badge-live::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--live);}
.badge{
  display:inline-flex;align-items:center;
  font-size:12px;letter-spacing:.02em;color:var(--ink-2);
  border:1px solid var(--line);border-radius:999px;padding:2px 10px;background:var(--card);
}

/* ---------- Highlights ---------- */
.hl-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:72px;align-items:start;}
.hl-guest{margin:0;}
.hl-guest img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hl-guest figcaption{padding-top:18px;margin-top:16px;border-top:1px solid var(--line-strong);}
.hl-guest strong{display:block;font-size:20px;font-weight:700;letter-spacing:-.01em;}
.hl-guest span{display:block;margin-top:4px;font-size:13.5px;color:var(--ink-2);}
.hl-list li{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:18px;
  padding:26px 0;border-bottom:1px solid var(--line-strong);
}
.hl-list li:first-child{padding-top:4px;}
.hl-num{
  font-size:40px;line-height:1;font-weight:700;color:#DFDAD0;
  font-variant-numeric:tabular-nums;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.hl-list h3{font-size:19px;font-weight:600;letter-spacing:-.01em;}
.hl-list p{margin-top:8px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- News ---------- */
.news-list{display:block;}
.news-feature{
  display:grid;grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:44px;align-items:center;
  padding-bottom:40px;border-bottom:1px solid var(--line);
  transition:opacity .26s var(--ease);
}
.news-feature:hover{opacity:.82;}
.news-media{overflow:hidden;border-radius:var(--radius);border:1px solid var(--line);}
.news-media img{border:0;border-radius:0;width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .34s var(--ease);}
.news-feature:hover .news-media img{transform:scale(1.03);}
.news-feature h3{font-size:24px;font-weight:700;letter-spacing:-.02em;margin-top:14px;line-height:1.4;}
.news-feature p{
  margin-top:14px;font-size:15px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{display:flex;align-items:center;gap:14px;margin-top:20px;font-size:13px;color:var(--ink-2);}
.news-meta time{font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;}
.news-row{
  display:grid;grid-template-columns:minmax(0,1fr) 118px;
  gap:28px;align-items:center;
  padding:22px 16px;margin:0 -16px;
  border-bottom:1px solid var(--line);
  transition:background .26s var(--ease);
}
.news-row:hover{background:var(--paper-2);}
.news-row h3{font-size:17px;font-weight:600;letter-spacing:-.01em;line-height:1.5;}
.news-row p{
  margin-top:6px;font-size:14px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-row time{
  font-size:13px;color:var(--ink-2);text-align:right;
  font-variant-numeric:tabular-nums;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.news-row .badge{margin-bottom:8px;}
.news-empty{
  border:1px solid var(--line);border-radius:var(--radius);
  padding:52px 28px;text-align:center;background:var(--card);
}
.news-empty p{font-size:15px;color:var(--ink-2);}
.news-empty a{margin-top:16px;}

/* ---------- Tickets ---------- */
.tickets{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start;}
.ticket{
  position:relative;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:34px 30px 32px;display:flex;flex-direction:column;min-height:100%;
  transition:transform .26s var(--ease),box-shadow .26s var(--ease),border-color .26s var(--ease);
}
.ticket:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong);}
.ticket h3{font-size:20px;font-weight:600;letter-spacing:-.01em;}
.ticket-price{
  margin-top:18px;font-size:44px;font-weight:700;letter-spacing:-.03em;line-height:1.05;
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px;
}
.ticket-price span{font-size:20px;font-weight:600;}
.ticket-price em{font-size:14px;font-style:normal;font-weight:400;color:var(--ink-2);margin-left:4px;}
.ticket ul{margin-top:26px;padding-top:22px;border-top:1px solid var(--line);flex:1;}
.ticket ul li{
  position:relative;padding-left:22px;font-size:15px;line-height:2;color:var(--ink-2);
}
.ticket ul li::before{
  content:"";position:absolute;left:0;top:.95em;width:11px;height:1px;background:var(--accent);
}
.ticket .btn-ghost{margin-top:28px;}
.ticket--featured{
  background:var(--ink);border-color:var(--ink);color:var(--paper);
}
.ticket--featured h3,.ticket--featured .ticket-price{color:var(--paper);}
.ticket--featured .ticket-price em{color:#B9BDB2;}
.ticket--featured ul{border-top-color:#2C3026;}
.ticket--featured ul li{color:#C3C7BB;}
.ticket--featured ul li::before{background:var(--accent);}
.ticket--featured .btn-ghost{border-color:var(--accent);background:var(--accent);color:#fff;}
.ticket--featured .btn-ghost:hover{background:#F03D10;border-color:#F03D10;color:#fff;}
.ticket--featured:hover{box-shadow:0 16px 40px rgba(18,20,15,.22);}
.pill{
  position:absolute;top:-11px;right:24px;
  background:var(--accent);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  border-radius:999px;padding:3px 12px;
}

/* ---------- FAQ ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:24px 4px;text-align:left;
  font-size:17px;font-weight:500;letter-spacing:-.01em;color:var(--ink);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-q i{position:relative;flex:none;width:16px;height:16px;transition:transform .3s var(--ease);}
.faq-q i::before,.faq-q i::after{
  content:"";position:absolute;background:var(--ink-2);transition:background .24s var(--ease);
}
.faq-q i::before{left:0;top:7.5px;width:16px;height:1px;}
.faq-q i::after{left:7.5px;top:0;width:1px;height:16px;}
.faq-item.is-open .faq-q i{transform:rotate(45deg);}
.faq-item.is-open .faq-q{color:var(--ink);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s var(--ease);}
.faq-a p{padding:0 4px 26px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:820px;}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--paper);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(to right,rgba(245,243,238,.06) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(245,243,238,.06) 1px,transparent 1px);
  background-size:64px 64px;
  opacity:.7;pointer-events:none;
}
.cta-inner{
  position:relative;z-index:1;
  padding:96px 0;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,1fr);
  gap:56px;align-items:center;
}
.cta-inner h2{font-size:clamp(26px,3.4vw,40px);letter-spacing:-.03em;line-height:1.25;max-width:16em;}
.cta-inner p{margin-top:18px;font-size:16px;color:#BFC3B8;max-width:520px;line-height:1.85;}
.cta-actions{display:flex;align-items:center;gap:26px;justify-content:flex-end;flex-wrap:wrap;}
.link-on-dark{color:var(--paper);}
.link-on-dark:hover{color:var(--accent);}

/* ---------- Footer ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.6fr) repeat(3,minmax(0,1fr));
  gap:48px;padding-bottom:56px;
}
.footer-brand .brand{font-size:17px;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:var(--ink-2);max-width:340px;}
.footer-col h4{
  font-size:13px;font-weight:600;letter-spacing:.1em;color:var(--ink-2);
  margin-bottom:18px;
}
.footer-col ul li{margin-bottom:2px;}
.footer-col ul a,.footer-col ul span{
  display:inline-flex;align-items:center;min-height:34px;
  font-size:14.5px;color:var(--ink-2);
  transition:color .24s var(--ease);
}
.footer-col ul a:hover{color:var(--accent);}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:22px 0 30px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  font-size:13px;color:var(--ink-2);
}
.footer-bottom .to-top{transition:color .24s var(--ease);}
.footer-bottom .to-top:hover{color:var(--accent);}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  :root{--pad:32px;}
  .nav,.nav-cta{display:none;}
  .menu-toggle{display:inline-flex;}
  .hero{padding-top:64px;}
  .hero-main{grid-column:1 / -1;}
  .hero-figure{grid-column:1 / -1;max-width:520px;}
  .hero-figure img{aspect-ratio:16/10;}
  .hero-sub{max-width:none;}
  .statbar{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2n){border-right:0;}
  .stat:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .hl-grid{gap:48px;}
  .news-feature{grid-template-columns:1fr;gap:26px;}
  .tickets{grid-template-columns:1fr;gap:20px;}
  .ticket--featured{order:-1;}
  .cta-inner{grid-template-columns:1fr;gap:36px;padding:80px 0;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;}
}
@media (max-width:768px){
  :root{--pad:20px;}
  .section{padding:64px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:18px;margin-bottom:36px;}
  .hero{padding-top:48px;}
  .hero-grid{gap:36px;}
  .hero-title{font-size:clamp(32px,8vw,44px);}
  .hero-actions{gap:20px;}
  .btn-solid{min-height:48px;padding:0 24px;}
  .statbar{margin-top:52px;}
  .stat{padding:20px 16px 20px 0;}
  .stat strong{font-size:26px;}
  .tl-row{grid-template-columns:28px minmax(0,1fr) 48px;gap:16px;padding:18px 12px;margin:0 -12px;}
  .tl-time{grid-column:2;font-size:13.5px;order:0;}
  .tl-node{grid-column:1;grid-row:1 / span 2;align-self:stretch;}
  .tl-node::before{top:-19px;bottom:-19px;}
  .tl-body{grid-column:2;grid-row:2;}
  .tl-body h3{font-size:16.5px;}
  .tl-action{grid-column:3;grid-row:1 / span 2;text-align:right;}
  .hl-grid{grid-template-columns:1fr;gap:36px;}
  .hl-list li{grid-template-columns:52px minmax(0,1fr);gap:14px;padding:22px 0;}
  .hl-num{font-size:32px;}
  .news-row{grid-template-columns:1fr;gap:8px;padding:20px 12px;margin:0 -12px;}
  .news-row time{text-align:left;}
  .news-feature h3{font-size:20px;}
  .faq-q{font-size:16px;padding:20px 2px;}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding-bottom:40px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .site-footer{padding-top:52px;}
}
@media (max-width:520px){
  .hero-title{font-size:30px;line-height:1.14;}
  .hero-sub{font-size:15.5px;margin-top:20px;}
  .ticket{padding:26px 22px;}
  .ticket-price{font-size:36px;}
  .news-empty{padding:36px 18px;}
  .drawer-nav a{font-size:19px;min-height:58px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
  .reveal{opacity:1;transform:none;}
}

/* roulang page: article */
:root{
  --paper:#F5F3EE;
  --paper-2:#EAE7DE;
  --card:#FFFFFF;
  --ink:#12140F;
  --ink-2:#5A5F55;
  --line:#DFDAD0;
  --accent:#FF4A1C;
  --accent-deep:#E03E13;
  --live:#12B76A;
  --r-card:6px;
  --r-btn:2px;
  --max:1240px;
  --shadow:0 12px 32px rgba(18,20,15,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --sp:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.2}
p{margin:0}
ul,ol{margin:0;padding:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
::selection{background:var(--accent);color:#fff}

.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 48px}

/* ---------- header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:border-color .28s var(--ease), box-shadow .28s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:#CFC9BC;box-shadow:0 1px 0 rgba(18,20,15,.06)}
.header-inner{
  display:flex;
  align-items:center;
  gap:40px;
  height:76px;
  transition:height .28s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{
  display:inline-flex;
  align-items:center;
  gap:8px;
  margin-right:auto;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.brand-mark{
  width:8px;height:8px;background:var(--accent);border-radius:2px;
  display:inline-block;flex:none;
}
.brand-sub{margin-left:1px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{
  position:relative;
  padding:6px 0;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  transition:color .24s var(--ease);
}
.nav a::after{
  content:"";
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .28s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{transform:scaleX(1)}
.nav a.is-active{color:var(--ink)}
.nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:16px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:14px;
  font-weight:600;
  line-height:1;
  letter-spacing:.01em;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease);
}
.btn:hover{transform:translateY(-2px)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:var(--accent-deep);border-color:var(--accent-deep)}
.btn-light-outline{border-color:rgba(245,243,238,.45);color:var(--paper);background:transparent}
.btn-light-outline:hover{background:var(--paper);border-color:var(--paper);color:var(--ink)}
.menu-toggle{
  display:none;
  align-items:center;
  gap:10px;
  min-height:44px;
  padding:0 2px;
  background:none;
  border:0;
  font-size:14px;
  font-weight:600;
}
.menu-toggle-bars{position:relative;display:inline-block;width:20px;height:14px;flex:none}
.menu-toggle-bars::before,.menu-toggle-bars::after{
  content:"";position:absolute;left:0;width:20px;height:1px;background:var(--ink);
  transition:transform .26s var(--ease);
}
.menu-toggle-bars::before{top:3px}
.menu-toggle-bars::after{bottom:3px}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:var(--paper);
  padding:20px 20px 48px;
  overflow-y:auto;
  display:none;
}
.drawer.is-open{display:block}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  background:none;border:0;font-size:15px;font-weight:600;min-height:44px;padding:0 4px;
}
.drawer-links{display:flex;flex-direction:column;margin-top:8px}
.drawer-links a{
  padding:20px 0;
  font-size:24px;
  font-weight:700;
  letter-spacing:-.01em;
  border-bottom:1px solid var(--line);
  transition:color .24s var(--ease);
}
.drawer-links a:hover,.drawer-links a:focus-visible{color:var(--accent)}
.drawer-foot{margin-top:28px;font-size:13px;color:var(--ink-2)}

/* ---------- page ---------- */
.page-main{padding-bottom:0}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  padding:28px 0 0;
  font-size:13px;
  color:var(--ink-2);
}
.breadcrumb a{transition:color .24s var(--ease)}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.breadcrumb .sep{color:var(--line)}
.breadcrumb .current{
  color:var(--ink);
  max-width:min(58%,520px);
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

.article-wrap{padding-top:30px}
.article-head{max-width:900px}
.badge-cat{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:26px;
  padding:0 12px;
  border-radius:999px;
  background:var(--paper-2);
  border:1px solid var(--line);
  font-size:12px;
  font-weight:600;
  letter-spacing:.03em;
  color:var(--ink);
}
.article-head h1{
  margin-top:18px;
  font-size:40px;
  line-height:1.2;
  letter-spacing:-.02em;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:16px;
  font-size:13px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.article-meta .dot{color:var(--line)}
.article-figure{margin:36px 0 0}
.article-figure img{
  width:100%;
  aspect-ratio:16/7;
  object-fit:cover;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--paper-2);
}
.article-figure figcaption{
  margin-top:12px;
  padding-left:12px;
  border-left:1px solid var(--line);
  font-size:13px;
  color:var(--ink-2);
}

.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 200px;
  gap:64px;
  align-items:start;
  margin-top:48px;
}
.article-body{max-width:760px;min-width:0}

/* ---------- prose ---------- */
.prose p{margin:0 0 22px;line-height:1.9}
.prose h2{
  position:relative;
  margin:48px 0 18px;
  padding-left:16px;
  font-size:29px;
  line-height:1.32;
  letter-spacing:-.01em;
}
.prose h2::before{
  content:"";
  position:absolute;
  left:0;top:.24em;bottom:.24em;
  width:3px;
  border-radius:2px;
  background:var(--accent);
}
.prose h3{margin:36px 0 14px;font-size:21px;line-height:1.45;font-weight:700;letter-spacing:-.01em}
.prose h4{margin:28px 0 12px;font-size:17px;font-weight:700}
.prose blockquote{
  margin:28px 0;
  padding:20px 24px;
  background:var(--paper-2);
  border-left:2px solid var(--ink);
  border-radius:0 var(--r-card) var(--r-card) 0;
  font-size:16px;
  color:var(--ink);
}
.prose blockquote p:last-child{margin-bottom:0}
.prose ul,.prose ol{margin:0 0 22px;padding-left:1.5em}
.prose li{margin-bottom:10px;line-height:1.85}
.prose a{color:var(--ink);border-bottom:1px solid var(--accent);transition:color .24s var(--ease)}
.prose a:hover{color:var(--accent)}
.prose img{border:1px solid var(--line);border-radius:var(--r-card);margin:24px 0}
.prose figure{margin:28px 0}
.prose figcaption{font-size:13px;color:var(--ink-2);margin-top:10px}
.prose strong{font-weight:700}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.prose code{
  padding:2px 6px;
  background:var(--paper-2);
  border-radius:2px;
  font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.prose table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px}
.prose th,.prose td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.prose th{background:var(--paper-2);font-weight:700}

.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--r-card);
  padding:56px 24px;
  text-align:center;
  background:var(--card);
}
.empty-state p{font-size:15px;color:var(--ink-2);margin:0 0 14px}
.empty-state a{
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--accent);
  padding-bottom:2px;
  transition:color .24s var(--ease);
}
.empty-state a:hover{color:var(--accent)}

/* ---------- toc ---------- */
.toc{
  position:sticky;
  top:100px;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:13px;
}
.toc[hidden]{display:none}
.toc-title{margin:0 0 12px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--ink)}
.toc-list{list-style:none;counter-reset:toc;display:flex;flex-direction:column;gap:10px}
.toc-list li{counter-increment:toc}
.toc-list a{
  display:block;
  color:var(--ink-2);
  line-height:1.5;
  transition:color .24s var(--ease);
}
.toc-list a::before{
  content:counter(toc,decimal-leading-zero) " ";
  color:var(--accent);
  font-weight:700;
  font-variant-numeric:tabular-nums;
}
.toc-list a:hover{color:var(--ink)}

/* ---------- article foot ---------- */
.article-foot{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  max-width:760px;
  margin-top:48px;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.tag-label{font-size:13px;color:var(--ink-2);margin-right:2px}
.tag{
  display:inline-flex;
  align-items:center;
  height:30px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--card);
  font-size:13px;
  color:var(--ink-2);
  transition:color .24s var(--ease),border-color .24s var(--ease),transform .24s var(--ease);
}
.tag:hover{color:var(--ink);border-color:var(--ink);transform:translateY(-2px)}
.back-link{
  font-size:14px;
  font-weight:600;
  color:var(--ink);
  padding-bottom:3px;
  border-bottom:1px solid var(--accent);
  transition:color .24s var(--ease);
}
.back-link:hover{color:var(--accent)}

/* ---------- related ---------- */
.related{margin-top:96px}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  padding-bottom:18px;
  border-bottom:1px solid var(--line);
  margin-bottom:8px;
}
.section-head h2{font-size:32px;letter-spacing:-.01em}
.section-link{
  flex:none;
  font-size:14px;
  color:var(--ink-2);
  padding-bottom:3px;
  border-bottom:1px solid var(--line);
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.section-link:hover{color:var(--ink);border-color:var(--accent)}
.related-list{list-style:none}
.related-list li{border-bottom:1px solid var(--line)}
.related-list a{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:6px 24px;
  padding:22px 4px;
  transition:background .26s var(--ease);
}
.related-list a:hover{background:var(--paper-2)}
.related-title{font-size:18px;font-weight:600;line-height:1.55;letter-spacing:-.01em}
.related-list a:hover .related-title{color:var(--accent-deep)}
.related-meta{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:13px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
  white-space:nowrap;
}
.related-cat{color:var(--accent);font-weight:600}

/* ---------- cta ---------- */
.cta-band{
  position:relative;
  margin-top:96px;
  background:var(--ink);
  color:var(--paper);
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(rgba(245,243,238,.07) 1px,transparent 1px),
    linear-gradient(90deg,rgba(245,243,238,.07) 1px,transparent 1px);
  background-size:72px 72px;
  pointer-events:none;
  opacity:.55;
}
.cta-inner{
  position:relative;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  padding:72px 0;
}
.cta-copy h2{font-size:36px;line-height:1.26;letter-spacing:-.02em;color:var(--paper);margin-bottom:12px}
.cta-copy p{font-size:16px;line-height:1.85;color:rgba(245,243,238,.72);max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px}
.link-underline{
  font-size:15px;
  color:var(--paper);
  padding-bottom:3px;
  border-bottom:1px solid rgba(245,243,238,.5);
  transition:color .24s var(--ease),border-color .24s var(--ease);
}
.link-underline:hover{color:var(--accent);border-color:var(--accent)}

/* ---------- footer ---------- */
.site-footer{
  border-top:1px solid var(--line);
  background:var(--paper);
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand .brand{font-size:18px;margin-right:0}
.footer-brand p{
  margin-top:16px;
  max-width:320px;
  font-size:14px;
  line-height:1.85;
  color:var(--ink-2);
}
.footer-col h4{margin-bottom:16px;font-size:14px;font-weight:700;letter-spacing:.03em}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--ink-2);line-height:1.7}
.footer-col a{transition:color .24s var(--ease)}
.footer-col a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:20px 0;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
}
.to-top{transition:color .24s var(--ease)}
.to-top:hover{color:var(--ink)}

/* ---------- motion ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 32px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .toc{display:none}
  .article-head h1{font-size:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
  .cta-copy h2{font-size:32px}
}
@media (max-width:768px){
  .header-inner{height:68px;gap:16px}
  .site-header.is-scrolled .header-inner{height:62px}
  .nav{display:none}
  .header-actions .btn-ghost{display:none}
  .menu-toggle{display:inline-flex}
  .breadcrumb{padding-top:20px}
  .article-head h1{font-size:30px;margin-top:14px}
  .article-figure{margin-top:28px}
  .article-figure img{aspect-ratio:16/10}
  .article-layout{margin-top:36px}
  .prose h2{font-size:25px;margin-top:40px}
  .prose h3{font-size:19px}
  .section-head h2{font-size:26px}
  .related{margin-top:64px}
  .cta-band{margin-top:64px}
  .cta-inner{padding:56px 0}
  .cta-copy h2{font-size:28px}
  .site-footer{padding-top:56px}
}
@media (max-width:640px){
  .container{padding:0 20px}
  .brand{font-size:17px}
  .article-head h1{font-size:27px;line-height:1.3}
  .breadcrumb .current{max-width:100%;white-space:normal}
  .related-list a{grid-template-columns:minmax(0,1fr);padding:18px 2px}
  .related-meta{justify-content:flex-start;flex-wrap:wrap;gap:8px}
  .article-foot{flex-direction:column;align-items:flex-start}
  .cta-copy h2{font-size:24px}
  .cta-actions{width:100%;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .prose h2{padding-left:12px}
  .prose h2::before{width:2px}
}

/* roulang page: category1 */
:root{
  --paper:#F5F3EE;
  --paper-2:#EAE7DE;
  --card:#FFFFFF;
  --ink:#12140F;
  --ink-2:#5A5F55;
  --line:#DFDAD0;
  --line-strong:#C9C3B6;
  --accent:#FF4A1C;
  --live:#12B76A;
  --r-card:6px;
  --r-btn:2px;
  --shadow-hover:0 12px 32px rgba(18,20,15,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --max:1240px;
  --pad:48px;
  --mono:ui-monospace,"SFMono-Regular","Roboto Mono","Noto Sans SC",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--r-card)}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;letter-spacing:-.02em;line-height:1.2;font-weight:700}
p{margin:0}
figure{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:2px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--pad)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(245,243,238,.94);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.site-header.is-scrolled{border-bottom-color:var(--line-strong);box-shadow:0 1px 0 rgba(18,20,15,.04)}
.header-inner{
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  transition:height .3s var(--ease);
}
.site-header.is-scrolled .header-inner{height:64px}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-size:19px;font-weight:700;letter-spacing:-.03em;color:var(--ink);
  white-space:nowrap;
}
.brand-mark{width:8px;height:8px;border-radius:2px;background:var(--accent);flex:none}
.brand-sub{margin-left:2px;font-size:14px;font-weight:500;color:var(--ink-2);letter-spacing:0}
.nav{display:flex;align-items:center;gap:28px;font-size:15px;font-weight:500}
.nav a{position:relative;color:var(--ink-2);padding:6px 0;transition:color .26s var(--ease);min-height:44px;display:inline-flex;align-items:center}
.nav a::after{
  content:"";position:absolute;left:0;bottom:6px;height:2px;width:0;
  background:var(--accent);transition:width .3s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{width:100%}
.nav a.is-active{color:var(--ink);font-weight:700}
.nav a.is-active::after{width:100%}
.header-actions{display:flex;align-items:center;gap:16px}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  border:1px solid transparent;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:var(--paper)}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 12px 28px rgba(255,74,28,.28)}
.btn-accent:active{transform:translateY(0)}
.btn-ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-ink:hover{background:transparent;color:var(--ink)}
.link-underline{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  font-size:15px;font-weight:600;color:var(--ink);
}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:9px;height:1px;width:100%;
  background:currentColor;transform-origin:left;transform:scaleX(1);
  transition:transform .3s var(--ease),background .3s var(--ease);
}
.link-underline:hover::after{background:var(--accent)}
.link-underline.light{color:var(--paper)}
.link-underline.light:hover{color:var(--accent)}

/* 移动菜单按钮 */
.menu-toggle{display:none;align-items:center;gap:10px;min-height:44px;padding:0 4px;color:var(--ink);font-size:14px;font-weight:600}
.menu-bars{display:inline-flex;flex-direction:column;gap:5px;width:20px}
.menu-bars i{display:block;height:1px;background:var(--ink);width:100%}
.menu-bars i:last-child{width:70%}

/* 抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--paper);
  display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-8px);
  transition:opacity .3s var(--ease),transform .3s var(--ease),visibility .3s;
}
.drawer.is-open{opacity:1;visibility:visible;transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:76px;padding:0 20px;border-bottom:1px solid var(--line)}
.drawer-close{font-size:14px;font-weight:600;min-height:44px;padding:0 4px;color:var(--ink-2)}
.drawer-nav{display:flex;flex-direction:column;padding:8px 20px 32px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;font-size:22px;font-weight:700;letter-spacing:-.02em;
  border-bottom:1px solid var(--line);color:var(--ink);
}
.drawer-nav a.is-active{color:var(--accent)}
.drawer-nav a span{font-size:13px;font-weight:400;color:var(--ink-2)}
.drawer-cta{margin:28px 20px 0}

/* ============ 分类页头 ============ */
.page-hero{padding:64px 0 0;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:64px;align-items:end}
.kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:12.5px;font-weight:600;letter-spacing:.16em;text-transform:uppercase;
  color:var(--ink-2);margin-bottom:20px;
}
.kicker .dot-live{width:7px;height:7px;border-radius:50%;background:var(--live);box-shadow:0 0 0 4px rgba(18,183,106,.14)}
.page-title{font-size:clamp(32px,4vw,46px);line-height:1.12;letter-spacing:-.025em;font-weight:800;max-width:15em}
.page-lead{margin-top:22px;max-width:600px;color:var(--ink-2);font-size:16.5px;line-height:1.85}
.hero-actions{display:flex;align-items:center;gap:24px;margin-top:32px;flex-wrap:wrap}
.hero-figure{position:relative}
.hero-figure img{
  width:100%;aspect-ratio:4/5;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-card);
}
.hero-figure figcaption{
  margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--ink-2);
  border-top:1px solid var(--line);padding-top:10px;
}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:56px;padding:26px 0 30px;border-top:1px solid var(--line);
}
.hero-stats li{padding-right:24px;border-right:1px solid var(--line)}
.hero-stats li + li{padding-left:24px}
.hero-stats li:last-child{border-right:0}
.hero-stats .num{
  display:block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:34px;font-weight:700;line-height:1.15;letter-spacing:-.03em;
}
.hero-stats .lab{display:block;margin-top:4px;font-size:13px;color:var(--ink-2)}

/* ============ 时间线主区 ============ */
.board-section{padding:88px 0}
.board{display:grid;grid-template-columns:220px minmax(0,1fr);gap:64px;align-items:start}
.filters{position:sticky;top:100px;display:flex;flex-direction:column;gap:6px}
.filter-head{font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--ink-2);margin-bottom:12px;font-weight:600}
.filter-btn{
  display:flex;align-items:center;justify-content:space-between;
  min-height:44px;padding:0 18px;border:1px solid var(--line);border-radius:999px;
  background:transparent;color:var(--ink-2);font-size:14.5px;font-weight:500;
  transition:background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
  text-align:left;
}
.filter-btn::after{content:"";width:6px;height:6px;border-radius:50%;background:transparent;transition:background .26s var(--ease)}
.filter-btn:hover{border-color:var(--ink);color:var(--ink)}
.filter-btn.is-active{background:var(--ink);border-color:var(--ink);color:var(--paper)}
.filter-btn.is-active::after{background:var(--accent)}
.filter-note{margin-top:18px;font-size:13px;line-height:1.75;color:var(--ink-2);border-top:1px solid var(--line);padding-top:14px}

.stream-group + .stream-group{margin-top:56px}
.group-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-bottom:12px;border-bottom:1px solid var(--ink);
}
.group-head h2{font-size:26px;font-weight:700}
.group-count{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;white-space:nowrap}

.slot{
  display:grid;
  grid-template-columns:130px 26px minmax(0,1fr);
  grid-template-areas:"time axis body";
  padding:22px 0 20px;
  border-bottom:1px solid var(--line);
  transition:background .28s var(--ease);
}
.slot:hover{background:var(--paper-2)}
.slot-time{grid-area:time;font-variant-numeric:tabular-nums;padding-right:16px}
.slot-time strong{display:block;font-family:var(--mono);font-size:18px;font-weight:700;line-height:1.35;letter-spacing:-.02em}
.slot-time span{display:block;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);letter-spacing:-.01em}
.slot-axis{grid-area:axis;position:relative}
.slot-axis::before{content:"";position:absolute;left:13px;top:2px;bottom:2px;width:1px;background:var(--line)}
.slot-dot{
  position:absolute;left:13px;top:9px;width:8px;height:8px;border-radius:50%;
  background:var(--paper);border:1px solid var(--line-strong);
  transform:translateX(-50%);
  transition:width .28s var(--ease),height .28s var(--ease),background .28s var(--ease),box-shadow .28s var(--ease);
}
.slot:hover .slot-dot{
  width:10px;height:10px;background:var(--accent);border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(255,74,28,.16);
}
.slot.is-live .slot-dot{background:var(--accent);border-color:var(--accent)}
.slot-body{grid-area:body;padding-left:18px;min-width:0}
.slot-top{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}
.slot-title{font-size:19px;font-weight:600;line-height:1.45;letter-spacing:-.01em}
.slot-meta{margin-top:6px;font-size:14px;color:var(--ink-2);line-height:1.7}
.slot-action{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:10px;font-size:14px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line-strong);padding-bottom:2px;min-height:32px;
  transition:color .26s var(--ease),border-color .26s var(--ease);
}
.slot-action::after{content:"→";transition:transform .26s var(--ease)}
.slot-action:hover{color:var(--accent);border-color:var(--accent)}
.slot-action:hover::after{transform:translateX(3px)}
.badge-live{
  display:inline-flex;align-items:center;gap:6px;flex:none;
  padding:3px 10px;border-radius:999px;
  background:rgba(18,183,106,.1);color:#0E8F55;
  font-size:12px;font-weight:600;line-height:1.6;white-space:nowrap;
}
.badge-live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--live);
  box-shadow:0 0 0 3px rgba(18,183,106,.18);
  animation:pulse 2.4s var(--ease) infinite;
}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.slot.is-live .slot-title{color:var(--ink)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-head{max-width:760px;margin-bottom:48px}
.section-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:800;line-height:1.18}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16.5px;line-height:1.85}

/* 直播间看点：错落双栏 */
.split{display:grid;grid-template-columns:5fr 7fr;gap:64px;align-items:start}
.split-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-card);
}
.split-media figcaption{margin-top:12px;font-size:13px;color:var(--ink-2);line-height:1.75;border-top:1px solid var(--line);padding-top:10px}
.split-item{display:flex;gap:22px;padding:24px 0;border-top:1px solid var(--line)}
.split-item:first-child{padding-top:6px;border-top:0}
.split-item .idx{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:40px;line-height:1;font-weight:700;color:#DFDAD0;letter-spacing:-.04em;flex:none;
}
.split-item h3{font-size:20px;font-weight:600;line-height:1.4}
.split-item p{margin-top:8px;color:var(--ink-2);font-size:15.5px;line-height:1.82}

/* 观赛场景 */
.scenes-section{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.scene-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 64px}
.scene{padding:28px 0;border-top:1px solid var(--line-strong)}
.scene-tag{
  display:inline-block;font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:12.5px;font-weight:600;color:var(--accent);letter-spacing:.02em;
}
.scene h3{font-size:20px;font-weight:600;margin-top:10px}
.scene p{margin-top:8px;color:var(--ink-2);font-size:15.5px;line-height:1.82;max-width:34em}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:320px minmax(0,1fr);gap:64px;align-items:start}
.faq-intro h2{font-size:clamp(26px,3.4vw,36px);font-weight:800;line-height:1.2}
.faq-intro p{margin-top:16px;color:var(--ink-2);font-size:15.5px;line-height:1.85}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;font-size:17px;font-weight:600;line-height:1.6;
  transition:color .26s var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-mark{position:relative;width:14px;height:14px;flex:none;transition:transform .3s var(--ease)}
.faq-mark::before,.faq-mark::after{
  content:"";position:absolute;left:0;top:50%;width:14px;height:1.5px;
  background:var(--ink);transform:translateY(-50%);
}
.faq-mark::after{transform:translateY(-50%) rotate(90deg)}
.faq-item[open] .faq-mark{transform:rotate(45deg)}
.faq-item[open] summary{color:var(--ink)}
.faq-a{padding:0 0 24px;color:var(--ink-2);font-size:15px;line-height:1.85;max-width:44em}

/* 深色 CTA */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--paper);padding:88px 0}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;
  background-image:linear-gradient(rgba(245,243,238,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(245,243,238,.09) 1px,transparent 1px);
  background-size:34px 34px;pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:48px;flex-wrap:wrap}
.cta-inner h2{font-size:clamp(24px,3vw,36px);font-weight:800;line-height:1.24;max-width:620px;color:var(--paper)}
.cta-inner p{margin-top:14px;color:rgba(245,243,238,.72);font-size:15.5px;line-height:1.8;max-width:520px}
.cta-actions{display:flex;align-items:center;gap:26px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:48px}
.footer-brand .brand{font-size:19px}
.footer-brand p{margin-top:16px;color:var(--ink-2);font-size:14.5px;line-height:1.85;max-width:340px}
.footer-col h4{font-size:13.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink);margin-bottom:18px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a,.footer-col span{color:var(--ink-2);font-size:14.5px;line-height:1.7;transition:color .26s var(--ease)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:56px;padding:22px 0;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.to-top{font-size:13px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line-strong);padding-bottom:2px;transition:color .26s var(--ease),border-color .26s var(--ease)}
.to-top:hover{color:var(--accent);border-color:var(--accent)}

/* 入场动效 */
.js .reveal{opacity:0;transform:translateY(12px);transition:opacity .55s var(--ease),transform .55s var(--ease)}
.js .reveal.is-in{opacity:1;transform:none}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .hero-grid{grid-template-columns:minmax(0,1fr) 280px;gap:40px}
  .board{gap:40px}
  .split{gap:44px}
  .faq-wrap{grid-template-columns:260px minmax(0,1fr);gap:44px}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:span 3}
}
@media (max-width:900px){
  :root{--pad:32px}
  .nav{display:none}
  .header-cta{display:none}
  .menu-toggle{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure{max-width:420px}
  .board{grid-template-columns:1fr;gap:32px}
  .filters{position:static;flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px;scrollbar-width:none}
  .filters::-webkit-scrollbar{display:none}
  .filter-head,.filter-note{display:none}
  .filter-btn{white-space:nowrap;flex:none}
  .split{grid-template-columns:1fr;gap:36px}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:28px}
  .section{padding:72px 0}
  .board-section{padding:64px 0}
}
@media (max-width:768px){
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px 0;margin-top:40px}
  .hero-stats li{border-right:0;padding-right:0}
  .hero-stats li + li{padding-left:0}
  .hero-stats li:nth-child(odd){padding-right:20px;border-right:1px solid var(--line)}
  .hero-stats .num{font-size:28px}
  .scene-grid{grid-template-columns:1fr;gap:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 2}
  .footer-brand{grid-column:span 2}
}
@media (max-width:640px){
  :root{--pad:20px}
  body{font-size:16px}
  .page-hero{padding-top:40px}
  .page-title{font-size:32px}
  .page-lead{font-size:15.5px;margin-top:18px}
  .hero-actions{gap:16px}
  .slot{
    grid-template-columns:22px minmax(0,1fr);
    grid-template-areas:"axis time" "axis body";
    padding:20px 0 18px;
  }
  .slot-axis::before{left:11px}
  .slot-dot{left:11px;top:6px}
  .slot-time{padding-right:0;display:flex;align-items:baseline;gap:10px;margin-bottom:8px}
  .slot-time strong{font-size:16px}
  .slot-time span{font-size:12px}
  .slot-body{padding-left:0}
  .slot-title{font-size:17px}
  .slot-top{flex-direction:column;gap:8px;align-items:flex-start}
  .group-head h2{font-size:22px}
  .stream-group + .stream-group{margin-top:44px}
  .split-item .idx{font-size:32px}
  .cta-band{padding:64px 0}
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-brand,.footer-col:last-child{grid-column:span 1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .js .reveal{opacity:1;transform:none}
}

/* roulang page: category2 */
:root{
  --paper:#F5F3EE;
  --paper-2:#EAE7DE;
  --card:#FFFFFF;
  --ink:#12140F;
  --ink-2:#5A5F55;
  --line:#DFDAD0;
  --accent:#FF4A1C;
  --live:#12B76A;
  --radius-card:6px;
  --radius-btn:2px;
  --shadow-hover:0 12px 32px rgba(18,20,15,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --dur:280ms;
  --maxw:1240px;
  --gap:8px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.2;letter-spacing:-.01em;font-weight:800}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 48px;
}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.01em}

/* ============ header ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(245,243,238,.94);
  backdrop-filter:saturate(120%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:height var(--dur) var(--ease),box-shadow var(--dur) var(--ease),border-color var(--dur) var(--ease);
}
.header-inner{
  height:76px;
  display:flex;
  align-items:center;
  gap:40px;
  transition:height var(--dur) var(--ease);
}
.site-header.is-scrolled{box-shadow:0 1px 0 rgba(18,20,15,.14)}
.site-header.is-scrolled .header-inner{height:64px}
.logo{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-weight:800;
  font-size:19px;
  letter-spacing:-.02em;
  white-space:nowrap;
}
.brand-mark{
  width:9px;height:9px;
  background:var(--accent);
  display:inline-block;
  border-radius:1px;
  flex:none;
}
.brand-sub{font-weight:500;color:var(--ink-2);margin-left:4px;font-size:15px}
.nav{
  display:flex;
  align-items:center;
  gap:28px;
  margin-left:auto;
}
.nav a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:8px 0;
  transition:color var(--dur) var(--ease);
  display:inline-flex;
  align-items:center;
  min-height:44px;
}
.nav a::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:2px;
  height:2px;
  background:var(--accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--dur) var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1)}
.nav a.is-active{color:var(--ink);font-weight:700}
.header-actions{display:flex;align-items:center;gap:16px}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  padding:12px 22px;
  min-height:44px;
  transition:background var(--dur) var(--ease),color var(--dur) var(--ease),border-color var(--dur) var(--ease),transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease);
  border:1px solid transparent;
  cursor:pointer;
}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-accent{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-accent:hover{background:#e63f13;border-color:#e63f13;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-dark:hover{background:transparent;color:var(--ink)}
.menu-toggle{
  display:none;
  align-items:center;
  gap:10px;
  font-size:15px;
  font-weight:600;
  min-height:44px;
  padding:8px 0;
}
.menu-toggle .bars{display:inline-flex;flex-direction:column;gap:5px}
.menu-toggle .bars i{display:block;width:20px;height:1px;background:var(--ink)}

/* drawer */
.drawer{
  position:fixed;
  inset:0;
  z-index:200;
  background:var(--paper);
  padding:24px 20px 48px;
  display:none;
  overflow-y:auto;
}
.drawer.is-open{display:block}
.drawer-head{display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);padding-bottom:16px}
.drawer-close{font-size:15px;font-weight:600;min-height:44px;display:inline-flex;align-items:center;padding:0 4px}
.drawer ul{margin-top:12px}
.drawer li{border-bottom:1px solid var(--line)}
.drawer li a{display:block;padding:20px 0;font-size:24px;font-weight:700;letter-spacing:-.01em}
.drawer li a.is-active{color:var(--accent)}
.drawer .drawer-cta{margin-top:28px;width:100%}

/* ============ page hero ============ */
.page-hero{padding:56px 0 64px;border-bottom:1px solid var(--line)}
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:28px;
}
.breadcrumb a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px}
.breadcrumb span.sep{color:var(--line)}
.hero-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:48px;
  align-items:end;
}
.hero-copy{grid-column:1/span 7}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.06em;
  color:var(--ink-2);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:20px;
  background:var(--card);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--live);display:inline-block}
.page-hero h1{
  font-size:clamp(32px,4vw,44px);
  line-height:1.12;
  letter-spacing:-.02em;
  margin-bottom:20px;
}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.hero-lead{
  font-size:17px;
  color:var(--ink-2);
  max-width:38em;
  line-height:1.85;
}
.hero-media{grid-column:8/span 5}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
}
.hero-caption{
  font-size:12.5px;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  margin-top:12px;
  padding-top:10px;
}
.hero-actions{display:flex;flex-wrap:wrap;align-items:center;gap:24px;margin-top:32px}
.text-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--ink);
  padding-bottom:2px;
  background-image:linear-gradient(var(--ink),var(--ink));
  background-repeat:no-repeat;
  background-size:0% 1px;
  background-position:0 100%;
  transition:background-size var(--dur) var(--ease);
  min-height:44px;
}
.text-link:hover{background-size:100% 1px}

/* ============ stats strip ============ */
.stats-strip{border-bottom:1px solid var(--line);background:var(--paper)}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  padding:32px 0;
}
.stat{
  padding:0 32px;
  border-left:1px solid var(--line);
}
.stat:first-child{border-left:none;padding-left:0}
.stat-num{
  font-size:34px;
  font-weight:800;
  letter-spacing:-.02em;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-num small{font-size:15px;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:6px}

/* ============ section base ============ */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-head{margin-bottom:56px;max-width:44em}
.section-head h2{
  font-size:clamp(26px,3.2vw,40px);
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.section-head p{color:var(--ink-2);font-size:16.5px}
.section-head .kicker{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:14px;
}

/* ============ league blocks ============ */
.league{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:56px;
  align-items:center;
  padding-bottom:96px;
  margin-bottom:96px;
  border-bottom:1px solid var(--line);
}
.league:last-child{padding-bottom:0;margin-bottom:0;border-bottom:none}
.league-media{grid-column:1/span 5}
.league-media img{
  width:100%;
  aspect-ratio:5/4;
  object-fit:cover;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
}
.league-media .media-note{
  font-size:12.5px;
  color:var(--ink-2);
  margin-top:10px;
  padding-top:10px;
  border-top:1px solid var(--line);
}
.league-body{grid-column:6/span 7}
.league-index{
  font-size:13px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:14px;
}
.league-body h2{
  font-size:clamp(24px,2.6vw,32px);
  letter-spacing:-.02em;
  margin-bottom:16px;
}
.league-body > p{
  color:var(--ink-2);
  font-size:16px;
  margin-bottom:28px;
  max-width:36em;
}
.schedule-list{border-top:1px solid var(--line)}
.schedule-row{
  display:grid;
  grid-template-columns:96px 1fr auto;
  gap:20px;
  align-items:center;
  padding:15px 0;
  border-bottom:1px solid var(--line);
  transition:background var(--dur) var(--ease),padding-left var(--dur) var(--ease);
}
.schedule-row:hover{background:var(--paper-2);padding-left:10px}
.schedule-time{
  font-size:15px;
  color:var(--ink-2);
  font-variant-numeric:tabular-nums;
  font-weight:600;
}
.schedule-time b{display:block;color:var(--ink);font-weight:700}
.schedule-match{font-size:17px;font-weight:600;letter-spacing:-.01em}
.schedule-meta{font-size:13px;color:var(--ink-2);margin-top:2px}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12.5px;
  font-weight:600;
  border-radius:999px;
  padding:4px 12px;
  border:1px solid var(--line);
  color:var(--ink-2);
  background:var(--card);
  white-space:nowrap;
}
.badge-live{
  border-color:rgba(18,183,106,.32);
  color:#0b7f4c;
  background:rgba(18,183,106,.08);
}
.badge-live .dot{width:7px;height:7px;border-radius:50%;background:var(--live);display:inline-block}
.badge-accent{
  border-color:rgba(255,74,28,.32);
  color:#c9340d;
  background:rgba(255,74,28,.07);
}
.league-foot{margin-top:24px;display:flex;flex-wrap:wrap;gap:24px;align-items:center}

/* ============ notice band ============ */
.band{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:80px 0}
.band-grid{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:56px;
  align-items:start;
}
.band-copy{grid-column:1/span 5}
.band-copy h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:16px;letter-spacing:-.02em}
.band-copy p{color:var(--ink-2);font-size:16px}
.steps{grid-column:6/span 7;display:grid;gap:0}
.step{
  display:grid;
  grid-template-columns:44px 1fr;
  gap:20px;
  padding:22px 0;
  border-top:1px solid var(--line);
  align-items:start;
}
.step:last-child{border-bottom:1px solid var(--line)}
.step-num{
  font-size:15px;
  font-weight:800;
  color:var(--accent);
  font-variant-numeric:tabular-nums;
  padding-top:3px;
}
.step h3{font-size:18px;margin-bottom:6px;letter-spacing:-.01em}
.step p{font-size:15px;color:var(--ink-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  text-align:left;
  padding:22px 0;
  font-size:17px;
  font-weight:600;
  letter-spacing:-.01em;
  min-height:44px;
  transition:color var(--dur) var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  flex:none;
  width:20px;height:20px;
  position:relative;
  transition:transform var(--dur) var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:var(--ink);
  left:50%;top:50%;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:14px;height:1.5px}
.faq-icon::after{width:1.5px;height:14px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 320ms var(--ease);
}
.faq-a p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  padding:0 44px 24px 0;
}

/* ============ CTA band ============ */
.cta-band{
  background:var(--ink);
  color:var(--paper);
  padding:96px 0;
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(245,243,238,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(245,243,238,.06) 1px,transparent 1px);
  background-size:64px 64px;
  pointer-events:none;
}
.cta-inner{position:relative;z-index:1;max-width:820px}
.cta-band h2{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.2;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.cta-band p{
  color:rgba(245,243,238,.72);
  font-size:16.5px;
  margin-bottom:36px;
  max-width:34em;
}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:28px}
.cta-band .text-link{color:var(--paper);background-image:linear-gradient(var(--paper),var(--paper))}

/* ============ footer ============ */
.site-footer{
  background:var(--paper);
  border-top:1px solid var(--line);
  padding:72px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:48px;
  padding-bottom:56px;
}
.footer-brand .brand{
  display:inline-flex;
  align-items:center;
  gap:9px;
  font-size:18px;
  font-weight:800;
  letter-spacing:-.02em;
}
.footer-brand p{
  font-size:14.5px;
  color:var(--ink-2);
  margin-top:18px;
  max-width:30em;
  line-height:1.85;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  letter-spacing:.06em;
  margin-bottom:18px;
}
.footer-col ul li{
  font-size:14.5px;
  color:var(--ink-2);
  padding:7px 0;
}
.footer-col ul li a{
  transition:color var(--dur) var(--ease);
  border-bottom:1px solid transparent;
}
.footer-col ul li a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.footer-bottom{
  border-top:1px solid var(--line);
  padding-top:26px;
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:16px;
  font-size:13.5px;
  color:var(--ink-2);
}
.to-top{
  font-weight:600;
  color:var(--ink);
  border-bottom:1px solid var(--line);
  transition:border-color var(--dur) var(--ease);
}
.to-top:hover{border-bottom-color:var(--ink)}

/* ============ reveal ============ */
.reveal{opacity:0;transform:translateY(12px);transition:opacity 520ms var(--ease),transform 520ms var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ============ responsive ============ */
@media (max-width:1024px){
  .container{padding:0 32px}
  .header-inner{gap:24px}
  .nav{gap:20px}
  .nav a{font-size:14.5px}
  .hero-grid{gap:36px}
  .hero-copy{grid-column:1/span 7}
  .hero-media{grid-column:8/span 5}
  .league{gap:40px}
  .band-grid{gap:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px}
}
@media (max-width:900px){
  .nav,.header-actions .btn-ghost{display:none}
  .menu-toggle{display:inline-flex}
  .header-actions{margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-copy,.hero-media{grid-column:1/-1}
  .hero-media img{aspect-ratio:16/9}
  .stats-grid{grid-template-columns:1fr 1fr;gap:28px 0;padding:28px 0}
  .stat{border-left:none;padding:0}
  .stat:nth-child(even){padding-left:28px;border-left:1px solid var(--line)}
  .league{grid-template-columns:1fr;gap:28px;padding-bottom:56px;margin-bottom:56px}
  .league-media,.league-body{grid-column:1/-1}
  .league-media img{aspect-ratio:16/9}
  .band-copy,.steps{grid-column:1/-1}
  .section{padding:64px 0}
  .section-head{margin-bottom:36px}
  .band{padding:56px 0}
  .cta-band{padding:64px 0}
}
@media (max-width:640px){
  .container{padding:0 20px}
  body{font-size:15.5px}
  .header-inner{height:64px}
  .logo{font-size:17px}
  .brand-sub{font-size:13.5px}
  .page-hero{padding:36px 0 44px}
  .page-hero h1{font-size:clamp(28px,7.4vw,34px)}
  .hero-lead{font-size:16px}
  .hero-actions{gap:16px}
  .hero-actions .btn{width:100%}
  .stat-num{font-size:26px}
  .stat:nth-child(even){padding-left:20px}
  .schedule-row{grid-template-columns:1fr auto;gap:6px 14px;padding:16px 0}
  .schedule-time{grid-column:1/-1;font-size:13.5px}
  .schedule-time b{display:inline;color:inherit;font-weight:700;margin-left:6px}
  .schedule-match{font-size:15.5px}
  .schedule-meta{font-size:12.5px}
  .badge{font-size:12px;padding:3px 10px}
  .section{padding:52px 0}
  .section-tight{padding:44px 0}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;gap:10px}
  .faq-q{font-size:15.5px;gap:16px;padding:18px 0}
  .faq-a p{padding-right:8px}
  .cta-actions .btn{width:100%}
  .stats-grid{padding:22px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category3 */
:root{
  --paper:#F5F3EE;
  --paper-2:#EAE7DE;
  --card:#FFFFFF;
  --ink:#12140F;
  --ink-2:#5A5F55;
  --line:#DFDAD0;
  --accent:#FF4A1C;
  --live:#12B76A;
  --r-card:6px;
  --r-btn:2px;
  --shadow-hover:0 12px 32px rgba(18,20,15,.08);
  --ease:cubic-bezier(.2,.7,.2,1);
  --max:1240px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Noto Sans SC",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,dl,dd{margin:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 48px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--paper);
  border-bottom:1px solid var(--line);
  transition:box-shadow .28s var(--ease);
}
.site-header.is-stuck{box-shadow:0 1px 0 rgba(18,20,15,.08)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  height:76px;transition:height .28s var(--ease);
}
.site-header.is-stuck .header-inner{height:64px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;letter-spacing:-.02em;line-height:1.2}
.brand-mark{width:8px;height:8px;background:var(--accent);border-radius:1px;flex:none}
.brand-sub{font-size:13px;font-weight:600;letter-spacing:0;color:var(--ink-2);margin-left:2px}
.nav{display:flex;align-items:center;gap:28px}
.nav a{
  position:relative;display:inline-block;padding:6px 0;
  font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .28s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:-6px;width:100%;height:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav a:hover{color:var(--ink)}
.nav a:hover::after{transform:scaleX(1)}
.nav a.is-active{color:var(--ink)}
.nav a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:16px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;line-height:1;
  border:1px solid transparent;
  transition:background-color .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease),transform .26s var(--ease),box-shadow .26s var(--ease);
}
.btn:active{transform:translateY(0)}
.btn-solid{background:var(--accent);color:#fff;border-color:var(--accent)}
.btn-solid:hover{background:#E63F12;border-color:#E63F12;transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-outline:hover{background:var(--ink);color:var(--paper);transform:translateY(-2px)}
.btn-dark{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.btn-dark:hover{background:transparent;color:var(--ink)}
.btn-ghost{color:var(--ink);padding:0;min-height:44px;border:0;border-bottom:1px solid var(--ink);border-radius:0;background:transparent}
.btn-ghost:hover{color:var(--accent);border-bottom-color:var(--accent)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.menu-toggle{display:none;align-items:center;gap:10px;min-height:44px;font-size:15px;font-weight:500;color:var(--ink)}
.menu-lines{display:inline-flex;flex-direction:column;gap:5px;width:20px}
.menu-lines span{display:block;height:1px;background:var(--ink);width:100%}

/* ---------- Drawer ---------- */
.drawer{
  display:none;position:fixed;inset:0;z-index:90;
  background:var(--paper);padding:20px 20px 40px;
  transform:translateY(-100%);transition:transform .34s var(--ease);
  flex-direction:column;overflow-y:auto;
}
.drawer.is-open{transform:translateY(0)}
.drawer-top{display:flex;align-items:center;justify-content:space-between;height:56px;border-bottom:1px solid var(--line)}
.drawer-top .brand{font-size:17px}
.drawer-close{min-height:44px;min-width:44px;display:inline-flex;align-items:center;justify-content:flex-end;font-size:15px;color:var(--ink-2)}
.drawer nav{margin-top:8px}
.drawer nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:20px 0;border-bottom:1px solid var(--line);
  font-size:22px;font-weight:700;letter-spacing:-.01em;color:var(--ink-2);
}
.drawer nav a.is-active{color:var(--ink)}
.drawer nav a.is-active::after{content:"直播中";font-size:12px;font-weight:600;color:var(--live);letter-spacing:.06em}
.drawer-cta{margin-top:28px;display:flex;flex-direction:column;gap:14px}

/* ---------- Page hero ---------- */
.page-hero{padding:40px 0 0}
.crumb{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-2);margin-bottom:28px;flex-wrap:wrap}
.crumb a{color:var(--ink-2);border-bottom:1px solid transparent;transition:color .24s var(--ease),border-color .24s var(--ease)}
.crumb a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.crumb span.sep{color:var(--line)}
.page-hero-grid{
  display:grid;grid-template-columns:minmax(0,1.35fr) minmax(0,.65fr);
  gap:64px;align-items:end;padding-bottom:56px;
}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.16em;color:var(--accent);text-transform:uppercase}
.page-hero h1{
  font-size:clamp(30px,4vw,44px);
  line-height:1.16;letter-spacing:-.02em;font-weight:800;
  margin:16px 0 20px;
}
.page-hero .lede{font-size:17px;line-height:1.85;color:var(--ink-2);max-width:44ch}
.hero-figure{margin:0}
.hero-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-card);
}
.hero-figure figcaption{
  margin-top:12px;font-size:12.5px;line-height:1.7;color:var(--ink-2);
  padding-top:10px;border-top:1px solid var(--line);
}

/* ---------- Stats ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.stat{padding:28px 28px;border-left:1px solid var(--line)}
.stat:first-child{border-left:0;padding-left:0}
.stat-num{
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:clamp(24px,2.8vw,32px);font-weight:800;letter-spacing:-.02em;line-height:1.2;
}
.stat-num em{font-style:normal;font-size:.55em;font-weight:600;color:var(--ink-2);margin-left:4px}
.stat-label{display:block;margin-top:6px;font-size:13.5px;color:var(--ink-2)}

/* ---------- Section ---------- */
.section{padding:96px 0}
.section-tight{padding:76px 0}
.section-head{margin-bottom:48px;max-width:760px}
.section-title{
  font-size:clamp(24px,3.1vw,38px);line-height:1.22;letter-spacing:-.02em;
  font-weight:800;margin-top:14px;
}
.section-sub{margin-top:14px;font-size:16px;color:var(--ink-2);max-width:62ch}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- Guide two columns ---------- */
.guide-grid{
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);
  gap:72px;align-items:start;
}
.rules-list{border-top:1px solid var(--line)}
.rule-item{padding:30px 0;border-bottom:1px solid var(--line);transition:background-color .28s var(--ease)}
.rule-item h3{
  display:flex;align-items:baseline;gap:12px;
  font-size:21px;font-weight:700;letter-spacing:-.01em;line-height:1.4;
  margin-bottom:10px;
}
.rule-num{font-family:var(--mono);font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.06em;flex:none}
.rule-item p{font-size:16px;color:var(--ink-2)}
.glossary-panel{position:sticky;top:104px}
.glossary-panel h3{font-size:20px;font-weight:700;letter-spacing:-.01em;margin-bottom:6px}
.glossary-panel .panel-note{font-size:14px;color:var(--ink-2);margin-bottom:20px}
.glossary{display:grid;grid-template-columns:auto minmax(0,1fr);column-gap:20px}
.glossary dt{
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:15px;font-weight:600;white-space:nowrap;
}
.glossary dd{
  padding:13px 0;border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.7;color:var(--ink-2);
}

/* ---------- Self check band ---------- */
.band-check{
  padding:92px 0;
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(rgba(245,243,238,.94),rgba(245,243,238,.94)),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;background-repeat:no-repeat;
}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:64px}
.check-item{
  display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);
  transition:transform .28s var(--ease);
}
.check-item:hover{transform:translateX(4px)}
.check-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;margin-top:13px}
.check-item h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:4px}
.check-item p{font-size:14.5px;color:var(--ink-2);line-height:1.8}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,.62fr) minmax(0,1.38fr);gap:72px;align-items:start}
.faq-aside .section-title{margin-top:14px}
.faq-aside p{margin-top:16px;font-size:15.5px;color:var(--ink-2);max-width:34ch}
.faq{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  width:100%;padding:24px 0;text-align:left;
  font-size:17px;font-weight:600;line-height:1.55;color:var(--ink);
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--accent)}
.faq-icon{
  flex:none;width:24px;height:24px;display:grid;place-items:center;
  font-size:20px;font-weight:400;line-height:1;color:var(--ink-2);
  transition:transform .3s var(--ease),color .3s var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--accent)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .32s var(--ease)}
.faq-a > div{overflow:hidden}
.faq-a p{font-size:15px;line-height:1.85;color:var(--ink-2);padding:0 0 26px;max-width:70ch}

/* ---------- CTA ---------- */
.cta-band{position:relative;overflow:hidden;background:var(--ink);color:var(--paper);padding:96px 0}
.cta-band::after{
  content:"";position:absolute;right:-1px;top:0;bottom:0;width:42%;
  background-image:linear-gradient(to right,rgba(245,243,238,.07) 1px,transparent 1px),linear-gradient(to bottom,rgba(245,243,238,.07) 1px,transparent 1px);
  background-size:56px 56px;pointer-events:none;
  -webkit-mask-image:linear-gradient(to left,#000,transparent);
  mask-image:linear-gradient(to left,#000,transparent);
}
.cta-inner{position:relative;z-index:1;max-width:720px}
.cta-band .eyebrow{color:var(--accent)}
.cta-band h2{
  font-size:clamp(26px,3.4vw,40px);line-height:1.22;letter-spacing:-.02em;
  font-weight:800;margin:14px 0 18px;color:var(--paper);
}
.cta-band p{font-size:16.5px;color:rgba(245,243,238,.72);max-width:52ch}
.cta-actions{display:flex;align-items:center;gap:28px;flex-wrap:wrap;margin-top:36px}
.cta-link{color:var(--paper);border-bottom:1px solid rgba(245,243,238,.5);padding-bottom:2px;font-size:15px;font-weight:500;transition:border-color .24s var(--ease),color .24s var(--ease)}
.cta-link:hover{color:var(--accent);border-bottom-color:var(--accent)}

/* ---------- Footer ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:72px 0 0}
.footer-grid{
  display:grid;
  grid-template-columns:minmax(0,1.55fr) repeat(3,minmax(0,1fr));
  gap:48px;padding-bottom:56px;
}
.footer-brand .brand{font-size:18px}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:var(--ink-2);max-width:36ch}
.footer-col h4{font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:16px}
.footer-col ul li{padding:6px 0;font-size:14px;color:var(--ink-2)}
.footer-col a{color:var(--ink-2);border-bottom:1px solid transparent;transition:color .24s var(--ease),border-color .24s var(--ease)}
.footer-col a:hover{color:var(--ink);border-bottom-color:var(--ink)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:20px 0;
  font-size:13px;color:var(--ink-2);
}
.to-top{color:var(--ink-2);border-bottom:1px solid transparent;transition:color .24s var(--ease),border-color .24s var(--ease)}
.to-top:hover{color:var(--ink);border-bottom-color:var(--ink)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .62s var(--ease),transform .62s var(--ease)}
.reveal.is-in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .guide-grid{gap:48px}
  .faq-layout{gap:48px}
}
@media (max-width:1024px){
  .nav{display:none}
  .menu-toggle{display:inline-flex}
  .drawer{display:flex}
  .header-actions .btn-sm{display:none}
  .page-hero-grid{grid-template-columns:1fr;gap:36px;align-items:start}
  .hero-figure{max-width:520px}
  .guide-grid{grid-template-columns:1fr;gap:44px}
  .glossary-panel{position:static}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-band::after{width:60%}
}
@media (max-width:768px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section-tight{padding:56px 0}
  .section-head{margin-bottom:36px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:22px 20px;border-left:1px solid var(--line)}
  .stat:nth-child(odd){border-left:0;padding-left:0}
  .stat:nth-child(1),.stat:nth-child(2){border-bottom:1px solid var(--line)}
  .check-grid{grid-template-columns:1fr;column-gap:0}
  .band-check{padding:64px 0}
  .cta-band{padding:64px 0}
  .page-hero{padding-top:28px}
  .faq-q{font-size:16px;padding:20px 0}
  .rule-item{padding:24px 0}
  .glossary{grid-template-columns:minmax(0,1fr) minmax(0,1.4fr)}
  .glossary dt{white-space:normal}
}
@media (max-width:640px){
  .container{padding:0 20px}
  body{font-size:15.5px}
  .header-inner{height:64px}
  .brand{font-size:17px}
  .brand-sub{font-size:12px}
  .page-hero h1{font-size:30px;line-height:1.2}
  .page-hero .lede{font-size:16px}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:40px}
  .site-footer{padding-top:56px}
  .cta-actions{gap:18px}
  .btn{width:100%}
  .cta-actions .btn{width:auto}
  .check-item{padding:18px 0}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}

/* roulang page: category4 */
:root{
  --paper:#F5F3EE;
  --paper-2:#EAE7DE;
  --card:#FFFFFF;
  --ink:#12140F;
  --ink-2:#5A5F55;
  --line:#DFDAD0;
  --accent:#FF4A1C;
  --live:#12B76A;
  --r-card:6px;
  --r-btn:2px;
  --sp:8px;
  --max:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.container{max-width:var(--max);margin:0 auto;padding:0 48px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(245,243,238,.94);
  backdrop-filter:saturate(140%) blur(6px);
  border-bottom:1px solid var(--line);
  transition:height .28s var(--ease),box-shadow .28s var(--ease);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;height:76px;
  transition:height .28s var(--ease);
}
.site-header.is-stuck{box-shadow:0 1px 0 var(--line);}
.site-header.is-stuck .header-inner{height:64px;}
.brand{
  display:inline-flex;align-items:center;gap:9px;
  font-weight:800;font-size:19px;letter-spacing:-.02em;color:var(--ink);
  white-space:nowrap;
}
.brand-mark{
  width:9px;height:9px;background:var(--accent);border-radius:1px;
  display:inline-block;flex:none;
}
.brand-sub{margin-left:2px;font-weight:700;}
.nav{display:flex;align-items:center;gap:28px;}
.nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;transition:color .24s var(--ease);
}
.nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:2px;width:100%;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .28s var(--ease);
}
.nav a:hover{color:var(--ink);}
.nav a:hover::after,.nav a.is-active::after{transform:scaleX(1);}
.nav a.is-active{color:var(--ink);font-weight:600;}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border:1px solid var(--ink);border-radius:var(--r-btn);
  font-size:14.5px;font-weight:600;color:var(--ink);background:transparent;
  transition:background .26s var(--ease),color .26s var(--ease);
}
.header-cta:hover{background:var(--ink);color:var(--paper);}
.menu-btn{
  display:none;align-items:center;gap:8px;height:44px;padding:0 4px;
  background:none;border:0;font-size:15px;font-weight:600;color:var(--ink);cursor:pointer;
}
.menu-icon{width:20px;display:grid;gap:5px;}
.menu-icon span{display:block;height:1.5px;background:var(--ink);border-radius:2px;}
.drawer{
  position:fixed;inset:0;z-index:200;background:var(--paper);
  transform:translateY(-100%);transition:transform .34s var(--ease);
  display:flex;flex-direction:column;padding:20px;
  visibility:hidden;
}
.drawer.is-open{transform:translateY(0);visibility:visible;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{background:none;border:0;font-size:15px;font-weight:600;color:var(--ink);height:44px;cursor:pointer;}
.drawer-nav{display:flex;flex-direction:column;margin-top:8px;}
.drawer-nav a{
  padding:18px 2px;font-size:21px;font-weight:700;letter-spacing:-.01em;
  border-bottom:1px solid var(--line);
}
.drawer-nav a.is-active{color:var(--accent);}
.drawer-foot{margin-top:auto;padding-top:24px;font-size:13px;color:var(--ink-2);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15.5px;font-weight:600;cursor:pointer;
  transition:transform .26s var(--ease),background .26s var(--ease),color .26s var(--ease),border-color .26s var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--accent);color:#fff;border:1px solid var(--accent);}
.btn-primary:hover{background:#E23C11;border-color:#E23C11;transform:translateY(-2px);}
.btn-dark{background:var(--ink);color:var(--paper);border:1px solid var(--ink);}
.btn-dark:hover{background:transparent;color:var(--ink);}
.btn-ghost{background:transparent;color:var(--ink);border:1px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:var(--paper);}
.link-underline{
  position:relative;display:inline-block;font-size:15px;font-weight:600;color:var(--ink);padding-bottom:3px;
}
.link-underline::after{
  content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--ink);
  transform:scaleX(1);transform-origin:left;transition:transform .28s var(--ease);
}
.link-underline:hover::after{transform:scaleX(0);transform-origin:right;}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;
}

/* ---------- page head ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--ink-2);padding:22px 0 0;
}
.crumb span.sep{color:var(--line);}
.page-head{
  display:grid;grid-template-columns:1.35fr .65fr;gap:56px;align-items:end;
  padding:34px 0 64px;border-bottom:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--ink-2);text-transform:uppercase;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);display:block;}
.page-head h1{
  font-size:46px;line-height:1.1;letter-spacing:-.025em;font-weight:800;
  margin:18px 0 18px;max-width:15em;
}
.page-head .lede{font-size:17px;color:var(--ink-2);max-width:34em;}
.head-figure{position:relative;}
.head-figure img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border:1px solid var(--line);border-radius:var(--r-card);
}
.head-figure figcaption{
  margin-top:10px;font-size:12.5px;color:var(--ink-2);
  padding-top:9px;border-top:1px solid var(--line);
}

/* ---------- section base ---------- */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:32px;
  margin-bottom:48px;
}
.section-head h2{
  font-size:40px;line-height:1.16;letter-spacing:-.025em;font-weight:800;max-width:20em;
}
.section-head h2 .thin{color:var(--ink-2);font-weight:500;}
.section-head p{font-size:15.5px;color:var(--ink-2);max-width:28em;margin-top:12px;}

/* ---------- steps ---------- */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border-top:1px solid var(--line);margin-top:8px;
}
.step{
  position:relative;padding:32px 28px 0 0;
  border-right:1px solid var(--line);
}
.step:last-child{border-right:0;padding-right:0;}
.step .step-line{
  position:absolute;top:-1px;left:0;height:2px;width:100%;background:var(--line);
}
.step.is-current .step-line{background:var(--accent);}
.step-no{
  display:flex;align-items:center;gap:10px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-2);
}
.step-dot{
  width:11px;height:11px;border-radius:50%;border:1.5px solid var(--ink-2);background:var(--paper);flex:none;
  transition:transform .28s var(--ease);
}
.step.is-current .step-dot{background:var(--accent);border-color:var(--accent);transform:scale(1.15);}
.step h3{font-size:21px;font-weight:700;letter-spacing:-.01em;margin:16px 0 10px;}
.step p{font-size:15px;color:var(--ink-2);line-height:1.8;}

/* ---------- tiers ---------- */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.tier{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:34px 30px 32px;display:flex;flex-direction:column;
  transition:transform .3s var(--ease),box-shadow .3s var(--ease),border-color .3s var(--ease);
}
.tier:hover{transform:translateY(-4px);box-shadow:0 12px 32px rgba(18,20,15,.08);}
.tier-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.tier-name{font-size:19px;font-weight:700;letter-spacing:-.01em;}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.pill-accent{background:var(--accent);color:#fff;}
.pill-live{background:rgba(18,183,106,.12);color:#0E9457;}
.pill-line{border:1px solid var(--line);color:var(--ink-2);background:transparent;}
.tier-price{
  margin:22px 0 4px;font-size:42px;font-weight:800;letter-spacing:-.03em;line-height:1;
  font-variant-numeric:tabular-nums;
}
.tier-price small{font-size:14px;font-weight:500;color:var(--ink-2);letter-spacing:0;margin-left:6px;}
.tier-note{font-size:13.5px;color:var(--ink-2);margin-bottom:24px;}
.tier-list{display:grid;gap:11px;margin-bottom:30px;}
.tier-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-2);line-height:1.7;}
.tier-list li .tick{
  flex:none;width:15px;height:15px;margin-top:6px;
  border-left:1.5px solid var(--accent);border-bottom:1.5px solid var(--accent);
  transform:rotate(-45deg);
}
.tier .btn{width:100%;margin-top:auto;}
.tier-featured{background:var(--ink);color:var(--paper);border-color:var(--ink);}
.tier-featured:hover{box-shadow:0 16px 40px rgba(18,20,15,.18);}
.tier-featured .tier-note,.tier-featured .tier-list li{color:rgba(245,243,238,.76);}
.tier-featured .tier-list li .tick{border-color:var(--accent);}
.tier-featured .btn-primary{border-color:var(--accent);}
.tier-featured .tier-price small{color:rgba(245,243,238,.6);}

/* ---------- form band ---------- */
.form-band{
  background:var(--paper-2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.form-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:64px;align-items:start;}
.form-intro h2{font-size:36px;line-height:1.18;letter-spacing:-.025em;font-weight:800;margin-bottom:18px;}
.form-intro p{font-size:16px;color:var(--ink-2);margin-bottom:26px;}
.form-facts{border-top:1px solid var(--line);}
.form-facts li{
  display:flex;justify-content:space-between;gap:20px;
  padding:14px 0;border-bottom:1px solid var(--line);font-size:14.5px;
}
.form-facts li b{font-weight:600;color:var(--ink);}
.form-facts li span{color:var(--ink-2);text-align:right;}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:36px 34px;
}
.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:13px;font-weight:600;color:var(--ink-2);letter-spacing:.02em;}
.field label .req{color:var(--accent);margin-left:3px;}
.field input,.field select,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;
  background:var(--paper);border:1px solid var(--line);border-radius:var(--r-btn);
  font-family:inherit;font-size:15.5px;color:var(--ink);
  transition:border-color .24s var(--ease),background .24s var(--ease),box-shadow .24s var(--ease);
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:#9A9E94;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;background:#fff;border-color:var(--ink);
  box-shadow:0 2px 0 0 var(--accent);
}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink-2) 50%),linear-gradient(135deg,var(--ink-2) 50%,transparent 50%);
  background-position:calc(100% - 20px) 21px,calc(100% - 14px) 21px;
  background-size:6px 6px,6px 6px;background-repeat:no-repeat;padding-right:40px;}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--accent);}
.err-msg{font-size:13px;color:var(--accent);display:none;}
.field.has-error .err-msg{display:block;}
.form-actions{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-top:28px;}
.form-hint{font-size:13px;color:var(--ink-2);line-height:1.7;max-width:22em;}
.form-status{
  margin-top:18px;padding:14px 16px;border:1px solid rgba(18,183,106,.4);
  background:rgba(18,183,106,.07);border-radius:var(--r-btn);
  font-size:14px;color:#0E7C4A;display:none;
}
.form-status.is-on{display:block;}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:24px;
  padding:22px 0;background:none;border:0;text-align:left;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .24s var(--ease);
}
.faq-q:hover{color:var(--accent);}
.faq-icon{
  flex:none;position:relative;width:16px;height:16px;
  transition:transform .3s var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--ink);border-radius:1px;
}
.faq-icon::before{left:0;top:7px;width:16px;height:1.5px;}
.faq-icon::after{left:7px;top:0;width:1.5px;height:16px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .34s var(--ease);
}
.faq-a p{font-size:15px;color:var(--ink-2);line-height:1.85;padding:0 44px 24px 0;}

/* ---------- cta dark ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--ink);color:var(--paper);
  padding:88px 0;
}
.cta-grid-lines{
  position:absolute;inset:0;pointer-events:none;opacity:.14;
  background-image:linear-gradient(to right,rgba(245,243,238,.5) 1px,transparent 1px),
                   linear-gradient(to bottom,rgba(245,243,238,.5) 1px,transparent 1px);
  background-size:96px 96px;
  mask-image:radial-gradient(circle at 85% 20%,#000,transparent 72%);
  -webkit-mask-image:radial-gradient(circle at 85% 20%,#000,transparent 72%);
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.4fr .6fr;gap:56px;align-items:center;}
.cta-inner h2{
  font-size:42px;line-height:1.14;letter-spacing:-.03em;font-weight:800;max-width:16em;
}
.cta-inner p{color:rgba(245,243,238,.72);font-size:16px;margin-top:18px;max-width:30em;}
.cta-actions{display:flex;flex-direction:column;align-items:flex-start;gap:18px;}
.cta-actions .link-underline{color:var(--paper);}
.cta-actions .link-underline::after{background:var(--paper);}

/* ---------- footer ---------- */
.site-footer{background:var(--paper);border-top:1px solid var(--line);padding:72px 0 0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr .9fr .9fr .9fr;gap:48px;
  padding-bottom:56px;
}
.footer-brand p{font-size:14.5px;color:var(--ink-2);margin-top:18px;max-width:26em;line-height:1.8;}
.footer-col h4{font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--ink-2);margin-bottom:18px;}
.footer-col ul{display:grid;gap:11px;}
.footer-col li a,.footer-col li span{font-size:14.5px;color:var(--ink-2);transition:color .24s var(--ease);}
.footer-col li a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding:22px 0 26px;
  font-size:13px;color:var(--ink-2);
}
.to-top{font-size:13px;font-weight:600;color:var(--ink);position:relative;padding-bottom:2px;}
.to-top::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:1px;background:var(--ink);transform:scaleX(1);transform-origin:left;transition:transform .28s var(--ease);}
.to-top:hover::after{transform:scaleX(0);transform-origin:right;}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .6s var(--ease),transform .6s var(--ease);}
.reveal.is-in{opacity:1;transform:none;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .page-head h1{font-size:42px;}
  .section-head h2{font-size:36px;}
}
@media (max-width:1024px){
  .container{padding:0 32px;}
  .nav{gap:22px;}
  .header-cta{display:none;}
  .page-head{grid-template-columns:1fr;gap:34px;padding-bottom:52px;}
  .page-head h1{font-size:40px;}
  .head-figure{max-width:520px;}
  .section{padding:76px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px;}
  .section-head h2{font-size:32px;}
  .form-grid{grid-template-columns:1fr;gap:40px;}
  .cta-inner{grid-template-columns:1fr;gap:34px;}
  .cta-inner h2{font-size:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .tiers{grid-template-columns:1fr;}
  .tier-featured{order:-1;}
}
@media (max-width:768px){
  .container{padding:0 22px;}
  .nav{display:none;}
  .menu-btn{display:inline-flex;}
  .header-inner{height:68px;}
  .page-head h1{font-size:34px;}
  .page-head .lede{font-size:16px;}
  .section{padding:60px 0;}
  .section-tight{padding:48px 0;}
  .section-head h2{font-size:27px;}
  .steps{grid-template-columns:1fr;}
  .step{border-right:0;border-bottom:1px solid var(--line);padding:26px 0;}
  .step:last-child{border-bottom:0;}
  .step h3{margin-top:12px;}
  .form-card{padding:26px 22px;}
  .field-grid{grid-template-columns:1fr;}
  .cta-band{padding:62px 0;}
  .cta-inner h2{font-size:28px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .tier-price{font-size:36px;}
  .faq-q{font-size:16px;padding:18px 0;}
  .faq-a p{padding-right:0;}
}
@media (max-width:520px){
  .page-head h1{font-size:30px;}
  .eyebrow{font-size:12px;}
  .tier{padding:26px 22px;}
  .btn{width:100%;}
  .form-actions .form-hint{max-width:none;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .reveal{opacity:1;transform:none;}
}