:root{--bg:#111318;--nav:#151820;--panel:#1A1E27;--panel2:#222733;--accent:#F45132;--accent-hover:#FF684E;--gold:#D7A84B;--text:#F7F8FA;--body:#D5D8DF;--muted:#AEB4C0;--line:rgba(255,255,255,.09);--shell: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{max-width:100%}a{color:inherit;text-decoration:none;touch-action:manipulation}button,a{min-height:40px}button{font:inherit}.shell{width:min(calc(100% - 32px),var(--shell));margin:0 auto}
.site-header{position:sticky;top:0;z-index:10000;background:var(--nav);border-bottom:1px solid var(--line)}.desktop-bar{height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px}.brand-link,.drawer-brand{display:flex;align-items:center;gap:10px;min-width:165px}.brand-logo{width:42px;height:42px;object-fit:contain;border-radius:10px}.brand-fallback{width:42px;height:42px;border-radius:10px;background:var(--panel2);border:1px solid var(--line);display:grid;place-items:center;color:var(--accent);font-weight:900}.brand-fallback.large{width:52px;height:52px}.brand-copy,.drawer-brand span{display:flex;flex-direction:column;line-height:1.15}.brand-copy strong,.drawer-brand strong{color:var(--text);font-size:18px}.brand-copy small,.drawer-brand small{margin-top:4px;color:var(--muted);font-size:11px;letter-spacing:.12em}
.main-nav{display:flex;justify-content:center;align-items:stretch;gap:0;min-width:0}.main-nav a{position:relative;padding:22px 9px 18px;color:var(--muted);font-weight:700;white-space:nowrap;font-size:14px}.main-nav a:hover,.main-nav a.active{color:var(--text)}.main-nav a.active:after{content:"";position:absolute;left:9px;right:9px;bottom:8px;height:2px;background:var(--accent);border-radius:2px}.register-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:88px;padding:0 20px;border-radius:999px;background:var(--accent);color:#fff;font-weight:800;transition:background .2s ease}.register-btn:hover{background:var(--accent-hover)}
.mobile-bar{display:none;height:62px;grid-template-columns:48px 1fr auto;align-items:center;gap:8px}.menu-toggle,.drawer-close,.back-top{border:0;background:transparent;color:var(--text);cursor:pointer}.menu-toggle{width:44px;padding:10px}.menu-toggle span{display:block;height:2px;background:var(--text);margin:5px 0;border-radius:2px}.mobile-brand{justify-self:center;display:flex;align-items:center;gap:8px;color:var(--text);font-weight:800;min-width:0}.mobile-brand .brand-logo,.mobile-brand .brand-fallback{width:34px;height:34px}.mobile-register{min-width:72px;padding:0 15px;height:40px}.channel-strip{border-top:1px solid var(--line);background:#13161d}.channel-links{display:flex;gap:22px;align-items:center;min-height:38px;overflow-x:auto;scrollbar-width:none}.channel-links::-webkit-scrollbar{display:none}.channel-links a{display:flex;align-items:center;min-height:38px;color:var(--muted);font-size:13px;white-space:nowrap}.channel-links a:hover{color:var(--text)}
.site-main{min-height:60vh}.page{padding:38px 0 68px}.page-hero{margin-bottom:24px;padding:28px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(135deg,var(--panel),#151922)}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}.eyebrow:before{content:"";width:20px;height:2px;background:var(--accent)}h1,h2,h3{color:var(--text);line-height:1.25;margin:0 0 12px}h1{font-size:clamp(32px,4vw,42px);letter-spacing:-.02em}h2{font-size:24px}h3{font-size:18px}p{margin:0 0 14px}.lead{font-size:18px;color:#E6E8ED;max-width:900px}.muted{color:var(--muted)}
.content-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:18px}.card{grid-column:span 4;background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}.card.wide{grid-column:span 6}.card.full{grid-column:1/-1}.card p:last-child{margin-bottom:0}.card a,.text-link{color:#FFD0C6;text-decoration:underline;text-decoration-color:rgba(244,81,50,.55);text-underline-offset:4px}.card a:hover,.text-link:hover{color:#fff}.section{margin-top:28px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:14px}.section-head p{margin:0;color:var(--muted);max-width:720px}.section-line{height:1px;background:var(--line);margin:28px 0}
.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;display:grid;place-items:center;background:linear-gradient(145deg,#171b24,#101219);border:1px solid var(--line)}.media-placeholder:after{content:"";width:22%;aspect-ratio:1;border:1px solid rgba(255,255,255,.12);border-radius:50%;box-shadow:0 0 0 18px rgba(255,255,255,.025)}.hero-media{margin:22px 0 0}.split{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:center}.split.reverse{grid-template-columns:.85fr 1.15fr}.split-copy{min-width:0}.home-slider{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:14px}.home-slider::-webkit-scrollbar{display:none}.home-slide{min-width:100%;scroll-snap-align:start}.home-slide .media{border-radius:14px;aspect-ratio:auto;height:260px}.home-slide .media>img{object-fit:contain}
.venue-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.venue-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px}.venue-card .media{margin-bottom:12px}.venue-card p{font-size:14px;color:var(--muted);margin:0}.venue-card h3{margin-bottom:6px}.venue-grid.compact .venue-card{padding:12px}.link-pills{display:flex;flex-wrap:wrap;gap:10px}.link-pills a{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);background:var(--panel);border-radius:999px;padding:8px 14px;color:var(--text)}.link-pills a:hover{border-color:rgba(244,81,50,.5);background:var(--panel2)}.faq-list{display:grid;gap:12px}.qa{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}.qa h2,.qa h3{font-size:19px}.qa p{margin:0;color:var(--body)}.notice{padding:18px 20px;border-left:3px solid var(--accent);background:var(--panel);border-radius:0 12px 12px 0}.notice strong{color:var(--text)}
.site-footer{background:#0d0f13;border-top:1px solid var(--line);padding:34px 0 94px}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:26px}.footer-grid section{display:flex;flex-direction:column;gap:7px}.footer-grid h2{font-size:15px;margin-bottom:7px}.footer-grid a{color:var(--muted);min-height:32px}.footer-grid a:hover{color:var(--text)}.footer-brand{align-items:flex-start}.footer-logo{width:52px;height:52px;object-fit:contain;border-radius:10px}.footer-brand strong{color:var(--text);font-size:19px}.footer-brand span{color:var(--muted);font-size:12px;letter-spacing:.14em}.footer-bottom{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}.mobile-bottom{display:none}.back-top{position:fixed;right:18px;bottom:24px;width:44px;height:44px;min-height:44px;border-radius:50%;background:var(--panel2);border:1px solid var(--line);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:8000}.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.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}
.desktop-bar{display:none}.mobile-bar{display:grid}.channel-strip{display:none}.site-header{height:62px}.site-main{padding-bottom:72px}.site-footer{padding-bottom:110px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;height:64px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(21,24,32,.98);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px;font-weight:700}.mobile-bottom a.active{color:#fff}.mobile-bottom .bottom-register{color:var(--accent)}.back-top{bottom:82px}.drawer-head{height:64px;padding:10px 14px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{min-width:0}.drawer-close{width:44px;height:44px;min-height:44px;font-size:28px}.drawer-nav{padding:12px 16px 28px;overflow-y:auto;height:calc(100vh - 64px)}.drawer-nav section{padding:10px 0 16px;border-bottom:1px solid var(--line)}.drawer-nav h2{font-size:13px;color:var(--gold);margin:0 0 8px}.drawer-nav a{display:flex;align-items:center;min-height:44px;color:var(--body);border-radius:8px;padding:0 8px}.drawer-nav a:hover{background:var(--panel2);color:var(--text)}body.drawer-open{overflow:hidden}.content-grid{grid-template-columns:repeat(2,1fr)}.card,.card.wide{grid-column:span 1}.card.full{grid-column:1/-1}.split,.split.reverse{grid-template-columns:1fr}.venue-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.shell{width:min(calc(100% - 24px),var(--shell))}.page{padding:24px 0 46px}.page-hero{padding:20px;border-radius:14px}h1{font-size:30px}h2{font-size:22px}.lead{font-size:17px}.content-grid{grid-template-columns:1fr}.card,.card.wide,.card.full{grid-column:1}.venue-grid{grid-template-columns:1fr}.home-slide .media{height:160px}.mobile-brand strong{font-size:16px}.mobile-brand .brand-logo,.mobile-brand .brand-fallback{width:32px;height:32px}.mobile-register{min-width:64px;padding:0 12px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:7px}.split .media.media-4x5{max-height:260px;aspect-ratio:4/5}.split .media.media-4x5>img{object-fit:contain}}
@media(max-width:390px){.mobile-bar{grid-template-columns:42px minmax(0,1fr) 62px}.mobile-register{min-width:60px;padding:0 10px}.mobile-brand{gap:6px}.mobile-brand strong{font-size:15px}.mobile-brand .brand-logo,.mobile-brand .brand-fallback{width:30px;height:30px}}