:root{
  --bg:#111318;--nav:#151820;--panel:#1A1E27;--panel2:#222733;--accent:#F45132;--accent-hover:#FF684E;--gold:#D7A84B;
  --text:#F7F8FA;--body:#D5D8DF;--muted:#AEB4C0;--border:rgba(255,255,255,.09);--max:1200px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--bg)}
body{margin:0;background:var(--bg);color:var(--body);font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
img,svg,video,canvas{max-width:100%}
a{color:inherit;text-decoration:none;touch-action:manipulation}
nav a,.register-btn,.brand-link,.footer-brand,.drawer-brand,.text-link,.inline-links a,.channel-links a,.footer-grid a{min-height:40px}
button{font:inherit;touch-action:manipulation}
.container{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9000;background:var(--nav);border-bottom:1px solid var(--border)}
.desktop-header{height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.brand-link,.footer-brand,.drawer-brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:.02em}
.brand-logo,.mobile-logo,.drawer-logo,.footer-logo{width:38px;height:38px;object-fit:contain;display:block}
.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;background:var(--panel2);color:var(--accent);font-weight:900;border:1px solid var(--border)}
.brand-name{font-size:20px}
.main-nav{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}
.main-nav a{min-height:44px;display:flex;align-items:center;padding:0 14px;color:var(--muted);font-weight:650;border-bottom:2px solid transparent;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:var(--text);border-bottom-color:var(--accent)}
.register-btn{display:inline-flex;align-items:center;justify-content:center;min-width:82px;height:42px;padding:0 20px;border-radius:999px;background:var(--accent);color:#fff;font-weight:800}
.register-btn:hover{background:var(--accent-hover)}
.mobile-header{display:none}
.channel-strip{background:#101219;border-top:1px solid rgba(255,255,255,.04)}
.channel-links{min-height:40px;display:flex;align-items:center;gap:22px;overflow-x:auto;white-space:nowrap;scrollbar-width:none}
.channel-links::-webkit-scrollbar{display:none}
.channel-links a{color:var(--muted);font-size:14px;min-height:40px;display:flex;align-items:center}
.channel-links a:hover{color:var(--text)}
.site-main{min-height:60vh}
.hero,.page-hero{padding:58px 0 34px;background:linear-gradient(180deg,rgba(255,255,255,.025),transparent)}
.hero h1,.page-hero h1{margin:0 0 16px;color:var(--text);font-size:clamp(32px,4.3vw,42px);line-height:1.2;letter-spacing:-.02em}
.hero p,.page-hero p{margin:0;max-width:820px;color:var(--muted);font-size:17px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--accent)}
.section{padding:28px 0}
.section:last-child{padding-bottom:64px}
.section-title{margin:0 0 14px;color:var(--text);font-size:26px;line-height:1.35}
.section-lead{margin:0 0 20px;color:var(--muted)}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px}
.panel h2,.panel h3{color:var(--text);margin-top:0}
.panel p:last-child{margin-bottom:0}
.grid-2,.grid-3,.grid-4{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;min-width:0}
.card h3{margin:0 0 10px;color:var(--text);font-size:20px}
.card p{margin:0;color:var(--body)}
.text-link{display:inline-flex;align-items:center;min-height:40px;margin-top:10px;color:var(--text);font-weight:750}
.text-link:after{content:"→";margin-left:8px;color:var(--accent)}
.text-link:hover{color:var(--accent-hover)}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:10px;background:#12151c;aspect-ratio:16/9}
.media > img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media-4x5{aspect-ratio:4/5}
.media-placeholder{position:absolute;inset:0;background:linear-gradient(145deg,#131720,#202631);border:1px solid var(--border)}
.media-caption{margin:10px 2px 0;color:var(--muted);font-size:14px}
.content-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.85fr);gap:26px;align-items:start}
.content-split.reverse{grid-template-columns:minmax(280px,.85fr) minmax(0,1.15fr)}
.prose{color:var(--body)}
.prose h2{color:var(--text);font-size:25px;margin:30px 0 10px}
.prose h3{color:var(--text);font-size:19px;margin:22px 0 8px}
.prose p{margin:0 0 15px}
.prose ul{margin:8px 0 18px;padding-left:1.25em}
.prose li{margin:.35em 0}
.note{border-left:3px solid var(--accent);background:var(--panel);padding:16px 18px;border-radius:0 12px 12px 0;color:var(--body)}
.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.inline-links a{display:inline-flex;align-items:center;min-height:40px;padding:7px 12px;border:1px solid var(--border);border-radius:999px;background:var(--panel);color:var(--text)}
.inline-links a:hover{border-color:rgba(244,81,50,.55);color:var(--accent-hover)}
.carousel{display:flex;gap:16px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin}
.carousel .slide{flex:0 0 100%;scroll-snap-align:start}
.carousel .media{height:clamp(220px,23vw,300px);aspect-ratio:auto}
.venue-card{display:flex;flex-direction:column;gap:12px}
.venue-card .media{width:100%}
.question{padding:18px 0;border-top:1px solid var(--border)}
.question:first-child{border-top:0;padding-top:0}
.question h3{margin:0 0 8px;color:var(--text);font-size:18px}
.question p{margin:0}
.list-cards{display:grid;gap:14px}
.list-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:18px;border:1px solid var(--border);border-radius:14px;background:var(--panel)}
.list-row strong{color:var(--text)}
.site-footer{background:#0d0f14;border-top:1px solid var(--border);margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:28px;padding:42px 0 30px}
.footer-grid h3{margin:0 0 12px;color:var(--text);font-size:16px}
.footer-grid a{display:block;min-height:40px;color:var(--muted)}
.footer-grid a:hover{color:var(--text)}
.footer-brand-wrap p{color:var(--muted);max-width:360px;margin:12px 0 0}
.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding:18px 0 28px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
.footer-bottom p{margin:0}
.mobile-bottom{display:none}
.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:1px solid var(--border);border-radius:50%;background:var(--panel2);color:var(--text);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:1000}
.back-top.show{opacity:1;pointer-events:auto;transform:none}
.mobile-drawer,.drawer-mask{display:none}
@media(max-width:980px){
  body.drawer-open{overflow:hidden}
  .desktop-header{display:none}
  .mobile-header{height:62px;display:grid;grid-template-columns:76px minmax(0,1fr) 76px;align-items:center;padding:0 12px;gap:8px}
  .menu-toggle{width:48px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:0 10px;cursor:pointer}
  .menu-toggle span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px}
  .mobile-brand{justify-self:center;display:flex;align-items:center;justify-content:center;min-width:44px;min-height:44px}
  .mobile-logo{width:36px;height:36px}
  .mobile-register{justify-self:end;min-width:68px;height:40px;padding:0 15px}
  .channel-strip{display:none}
  .mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#151820;color:#F7F8FA;z-index:12000;transform:translateX(-105%);transition:transform .2s ease}
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:11000;opacity:0;pointer-events:none}
  .drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
  .drawer-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}
  .drawer-close{min-width:44px;min-height:44px;border:0;background:transparent;color:var(--text);font-size:30px;cursor:pointer}
  .drawer-group{padding:15px 16px;border-bottom:1px solid var(--border)}
  .drawer-group strong{display:block;color:var(--gold);font-size:13px;margin-bottom:6px}
  .drawer-group a{display:flex;align-items:center;min-height:44px;color:var(--body)}
  .drawer-group a:hover{color:var(--text)}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .content-split,.content-split.reverse{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-main{padding-bottom:76px}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:64px;display:grid;grid-template-columns:repeat(4,1fr);align-items:center;background:#12151c;border-top:1px solid var(--border);z-index:8000;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;color:var(--muted);font-size:14px}
  .mobile-bottom a.active{color:var(--text)}
  .mobile-bottom .register-bottom{color:var(--accent);font-weight:800}
  .back-top{bottom:82px}
}
@media(max-width:720px){
  .container{width:min(calc(100% - 24px),var(--max))}
  .hero,.page-hero{padding:34px 0 20px}
  .hero h1,.page-hero h1{font-size:30px}
  .section{padding:20px 0}
  .section-title{font-size:23px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .panel,.card{padding:18px}
  .carousel{gap:10px}
  .carousel .media{height:clamp(140px,43vw,180px)}
  .list-row{grid-template-columns:1fr;gap:6px}
  .footer-grid{grid-template-columns:1fr;gap:18px;padding-top:32px}
  .footer-bottom{flex-direction:column}
  .media-4x5{max-height:260px;aspect-ratio:4/5;margin-inline:auto}
}
@media(max-width:430px){
  .mobile-header{grid-template-columns:72px minmax(0,1fr) 72px;padding-inline:8px}
  .mobile-register{min-width:64px;padding-inline:12px}
}

.mobile-drawer,
.drawer-mask{display:none}
@media(max-width:980px){
.mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#151820;color:#F7F8FA;z-index:12000;transform:translateX(-105%);transition:transform .2s ease}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:11000;opacity:0;pointer-events:none}
.drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
}

.focus-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.focus-line a{display:inline-flex;align-items:center;min-height:40px;padding:7px 13px;border-radius:999px;background:var(--panel);border:1px solid var(--border);color:var(--body)}.focus-line a:hover{color:var(--text);border-color:rgba(244,81,50,.48)}
.kicker{color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}.card-number{display:inline-flex;width:30px;height:30px;align-items:center;justify-content:center;border-radius:50%;background:var(--panel2);color:var(--accent);font-weight:900;margin-bottom:12px}