:root{
  --bg:#111318;
  --nav:#151820;
  --panel:#1A1E27;
  --panel2:#222733;
  --primary:#F45132;
  --primary-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}
body.drawer-open{overflow:hidden}
img,svg,video,canvas{max-width:100%;height:auto}
a{color:#F7F8FA;text-decoration:none;touch-action:manipulation}
a:hover{color:#fff}
button{font:inherit}
.skip-link{position:fixed;left:12px;top:-80px;z-index:20000;background:#fff;color:#111;padding:8px 12px;border-radius:6px}
.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:10000;background:var(--nav);border-bottom:1px solid var(--border)}
.desktop-header{display:block;background:var(--nav)}
.header-inner{max-width:var(--max);margin:0 auto;padding:0 18px;min-height:72px;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content;min-height:44px}
.brand-logo,.brand-logo-fallback{width:42px;height:42px;border-radius:10px;object-fit:contain;background:#12151c;border:1px solid var(--border);display:block}
.brand-logo-fallback{position:relative}
.brand-logo-fallback:after{content:"B";position:absolute;inset:0;display:grid;place-items:center;color:var(--primary);font-weight:800}
.brand-text{display:flex;flex-direction:column;line-height:1.1}
.brand-text strong{font-size:18px;color:var(--text);letter-spacing:.04em}
.brand-text small{margin-top:5px;color:var(--muted);font-size:10px;letter-spacing:.16em}
.desktop-nav{display:flex;justify-content:center;align-items:stretch;gap:2px;min-width:0}
.desktop-nav a{position:relative;display:flex;align-items:center;justify-content:center;min-height:72px;padding:0 13px;color:#BCC2CC;white-space:nowrap;font-weight:650}
.desktop-nav a:hover{color:#fff}
.desktop-nav a.active{color:#fff}
.desktop-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--primary);border-radius:3px 3px 0 0}
.register-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:8px 20px;border-radius:999px;background:var(--primary);color:#fff;font-weight:800;white-space:nowrap;border:1px solid rgba(255,255,255,.08);box-shadow:0 6px 18px rgba(0,0,0,.18)}
.register-btn:hover{background:var(--primary-hover);color:#fff}
.channel-strip{background:#12151c;border-top:1px solid rgba(255,255,255,.04)}
.channel-inner{max-width:var(--max);margin:0 auto;padding:0 18px;display:flex;gap:20px;min-height:38px;align-items:center;overflow:hidden}
.channel-inner a{display:inline-flex;align-items:center;min-height:38px;color:var(--muted);font-size:13px;white-space:nowrap}
.channel-inner a:hover{color:#fff}
.mobile-header{display:none}
.site-main{min-height:60vh}
.page-wrap{max-width:var(--max);margin:0 auto;padding:36px 18px 70px}
.page-hero{padding:8px 0 22px;border-bottom:1px solid var(--border);margin-bottom:28px}
.eyebrow{display:flex;align-items:center;gap:8px;color:var(--gold);font-weight:800;font-size:13px;letter-spacing:.08em;text-transform:uppercase}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--primary);border-radius:999px}
h1,h2,h3{color:var(--text);line-height:1.28;margin-top:0}
h1{font-size:clamp(32px,4vw,42px);margin:10px 0 12px;letter-spacing:-.02em}
h2{font-size:24px;margin-bottom:12px}
h3{font-size:18px;margin-bottom:8px}
p{margin:0 0 14px}
.lead{font-size:18px;color:#E1E4EA;max-width:900px}
.content-section{margin:30px 0;padding:24px;border:1px solid var(--border);background:var(--panel);border-radius:14px}
.content-section.plain{padding:0;border:0;background:transparent}
.content-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.content-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.info-card{padding:20px;border-radius:12px;background:var(--panel);border:1px solid var(--border)}
.info-card h3{display:flex;align-items:center;gap:8px}
.info-card h3:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px rgba(244,81,50,.14)}
.info-card p:last-child{margin-bottom:0}
.text-link{color:#fff;text-decoration:underline;text-decoration-color:rgba(244,81,50,.55);text-underline-offset:4px}
.text-link:hover{color:var(--primary-hover)}
.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.link-row a{display:inline-flex;align-items:center;min-height:40px;padding:8px 13px;border-radius:999px;border:1px solid var(--border);background:#171B23;color:#E8EBF0}
.link-row a:hover{border-color:rgba(244,81,50,.48);color:#fff}
.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,#151922,#101218)}
.media-placeholder:after{content:"";position:absolute;inset:18%;border:1px solid rgba(255,255,255,.06);border-radius:12px}
.feature-split{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(300px,.85fr);gap:26px;align-items:start}
.feature-split.reverse{grid-template-columns:minmax(300px,.85fr) minmax(0,1.15fr)}
.feature-split.reverse .media{order:-1}
.note{padding:16px 18px;border-left:3px solid var(--primary);background:#171A22;border-radius:0 10px 10px 0;color:#D9DDE4}
.small-note{font-size:14px;color:var(--muted)}
.list-clean{margin:0;padding:0;list-style:none}
.list-clean li{padding:10px 0;border-bottom:1px solid var(--border)}
.list-clean li:last-child{border-bottom:0}
.number-list{counter-reset:item;list-style:none;margin:0;padding:0;display:grid;gap:14px}
.number-list li{counter-increment:item;position:relative;padding:18px 18px 18px 58px;background:var(--panel);border:1px solid var(--border);border-radius:12px}
.number-list li:before{content:counter(item,decimal-leading-zero);position:absolute;left:18px;top:18px;color:var(--gold);font-weight:900;font-size:14px}
.qa-list{display:grid;gap:14px}
.qa-item{padding:20px;border-radius:12px;background:var(--panel);border:1px solid var(--border)}
.qa-item h2,.qa-item h3{font-size:18px;margin:0 0 8px}
.qa-item p:last-child{margin-bottom:0}
.venue-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.venue-card{padding:12px;background:var(--panel);border:1px solid var(--border);border-radius:14px}
.venue-card h3{margin:12px 4px 6px;font-size:17px}
.venue-card p{font-size:14px;color:#C8CDD6;margin:0 4px 6px}
.carousel{overflow:hidden;border-radius:14px;background:#0E1015;border:1px solid var(--border)}
.carousel-viewport{overflow:hidden}
.carousel-track{display:flex;transition:transform .28s ease;will-change:transform}
.carousel-slide{min-width:100%;padding:0;background:#0E1015}
.carousel-slide .media{border-radius:0;aspect-ratio:16/4.3;min-height:220px;max-height:300px}
.carousel-controls{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px;background:#13161D;border-top:1px solid var(--border)}
.carousel-prev,.carousel-next,.carousel-dot{border:0;background:transparent;color:#D6DAE1;min-width:40px;min-height:40px;cursor:pointer;touch-action:manipulation}
.carousel-prev,.carousel-next{border:1px solid var(--border);border-radius:999px;font-size:20px}
.carousel-dots{display:flex;gap:8px}
.carousel-dot{min-width:40px;position:relative;font-size:0}
.carousel-dot:after{content:"";position:absolute;left:50%;top:50%;width:8px;height:8px;border-radius:50%;background:#555D6A;transform:translate(-50%,-50%)}
.carousel-dot.active:after{background:var(--primary);box-shadow:0 0 0 3px rgba(244,81,50,.16)}
.site-footer{background:#0D0F13;border-top:1px solid var(--border);padding-bottom:20px}
.footer-inner{max-width:var(--max);margin:0 auto;padding:38px 18px 26px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}
.footer-brand p{color:var(--muted);font-size:14px;max-width:330px;margin-top:14px}
.footer-col h2{font-size:15px;margin:0 0 12px;color:#fff}
.footer-col a{display:flex;align-items:center;min-height:40px;color:#ABB2BE;font-size:14px}
.footer-col a:hover{color:#fff}
.footer-bottom{max-width:var(--max);margin:0 auto;padding:18px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:20px;color:#9299A6;font-size:13px}
.footer-bottom p{margin:0}
.mobile-bottom{display:none}
.mobile-drawer,
.drawer-mask{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px;border-bottom:1px solid var(--border)}
.drawer-brand{display:flex;align-items:center;gap:10px;min-height:44px}
.drawer-brand img,.drawer-logo-fallback{width:38px;height:38px;border-radius:9px;object-fit:contain;background:#11141A;border:1px solid var(--border);display:block}
.drawer-logo-fallback{position:relative}
.drawer-logo-fallback:after{content:"B";position:absolute;inset:0;display:grid;place-items:center;color:var(--primary);font-weight:800}
.drawer-brand span{display:flex;flex-direction:column;line-height:1.1}
.drawer-brand strong{color:#fff}
.drawer-brand small{margin-top:4px;color:var(--muted);font-size:9px;letter-spacing:.14em}
.drawer-close{width:42px;height:42px;border:1px solid var(--border);background:#1C2029;color:#fff;border-radius:10px;font-size:24px;cursor:pointer;touch-action:manipulation}
.drawer-group{padding:14px 18px;border-bottom:1px solid var(--border)}
.drawer-group p{margin:0 0 6px;color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.08em}
.drawer-group a{display:flex;align-items:center;min-height:44px;color:#E0E3E8;border-bottom:1px solid rgba(255,255,255,.045)}
.drawer-group a:last-child{border-bottom:0}
@media(max-width:1080px){
  .desktop-nav a{padding:0 9px;font-size:14px}
  .header-inner{gap:14px}
}
@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}
  .desktop-header{display:none}
  .mobile-header{display:grid;grid-template-columns:minmax(78px,1fr) auto minmax(78px,1fr);align-items:center;gap:8px;min-height:64px;padding:8px 12px;background:var(--nav)}
  .menu-btn{justify-self:start;width:44px;height:44px;border:1px solid var(--border);border-radius:10px;background:#1A1E27;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;cursor:pointer;touch-action:manipulation}
  .menu-btn span{width:20px;height:2px;background:#fff;border-radius:999px}
  .mobile-brand{justify-self:center;display:flex;align-items:center;gap:7px;min-height:44px;min-width:0;font-weight:800;color:#fff;white-space:nowrap}
  .mobile-brand img,.mobile-logo-fallback{width:34px;height:34px;border-radius:8px;object-fit:contain;background:#11141A;border:1px solid var(--border);display:block;flex:0 0 auto}
  .mobile-logo-fallback{position:relative}
  .mobile-logo-fallback:after{content:"B";position:absolute;inset:0;display:grid;place-items:center;color:var(--primary);font-weight:800}
  .mobile-register{justify-self:end;min-width:64px;padding:7px 15px;min-height:40px}
  .channel-strip{display:none}
  .page-wrap{padding:28px 14px 100px}
  .feature-split,.feature-split.reverse{grid-template-columns:1fr}
  .feature-split.reverse .media{order:0}
  .content-grid,.content-grid.two{grid-template-columns:1fr}
  .venue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-inner{grid-template-columns:repeat(2,minmax(0,1fr));padding-bottom:82px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{padding-bottom:86px;flex-direction:column;gap:6px}
  .mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;z-index:10500;background:rgba(21,24,32,.97);border-top:1px solid var(--border);padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:62px;color:#C9CED7;font-size:13px;font-weight:700}
  .mobile-bottom a:hover{color:#fff}
  .mobile-bottom .mobile-bottom-register{color:var(--primary)}
  h1{font-size:min(32px,8.4vw)}
  h2{font-size:22px}
  .carousel-slide .media{min-height:140px;max-height:180px;aspect-ratio:16/7}
  .venue-card .media-4x5{max-height:260px}
}
@media(max-width:560px){
  .mobile-header{grid-template-columns:74px minmax(0,1fr) 74px;padding-left:10px;padding-right:10px}
  .mobile-brand span{font-size:15px}
  .mobile-register{min-width:64px;padding-left:12px;padding-right:12px}
  .content-section{padding:18px}
  .venue-grid{grid-template-columns:1fr}
  .venue-card .media-4x5{max-width:230px;margin:0 auto}
  .footer-inner{grid-template-columns:1fr}
  .footer-brand{grid-column:auto}
}
@media(max-width:390px){
  .mobile-header{grid-template-columns:64px minmax(0,1fr) 64px;gap:5px;padding-left:8px;padding-right:8px}
  .menu-btn{width:42px;height:42px}
  .mobile-brand{gap:5px}
  .mobile-brand img,.mobile-logo-fallback{width:31px;height:31px}
  .mobile-register{min-width:60px;padding-left:10px;padding-right:10px;font-size:14px}
}