:root{--bg:#111318;--nav:#151820;--panel:#1A1E27;--sub:#222733;--primary:#F45132;--primary-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}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{max-width:100%}a{color:inherit;text-decoration:none;touch-action:manipulation}.shell{width:min(calc(100% - 32px),var(--shell));margin:0 auto}.site-header{position:sticky;top:0;z-index:1000;background:var(--nav);border-bottom:1px solid var(--line);box-shadow:0 8px 24px rgba(0,0,0,.18)}.desktop-header{height:72px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}.brand-logo,.mobile-logo,.drawer-logo{display:grid;place-items:center;background:#12151c;border:1px solid var(--line);overflow:hidden}.brand-logo{width:42px;height:42px;border-radius:12px}.brand-logo img,.mobile-logo img,.drawer-logo img{width:100%;height:100%;object-fit:contain}.brand-placeholder{color:var(--primary);font-weight:900}.brand-name{display:flex;flex-direction:column;line-height:1.1}.brand-name b{color:var(--text);font-size:18px}.brand-name small{color:var(--muted);font-size:10px;letter-spacing:.14em;margin-top:5px}.main-nav{display:flex;align-items:center;justify-content:center;gap:2px;flex:1;min-width:0;height:100%}.main-nav a{position:relative;display:flex;align-items:center;height:100%;padding:0 13px;color:var(--muted);font-size:15px;white-space:nowrap}.main-nav a:hover,.main-nav a.active{color:#fff}.main-nav a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:0;height:2px;background:var(--primary)}.register-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 20px;border-radius:999px;background:var(--primary);color:#fff!important;font-weight:700;white-space:nowrap}.register-btn:hover{background:var(--primary-hover)}.channel-bar{background:#12151c;border-top:1px solid rgba(255,255,255,.05)}.channel-links{display:flex;gap:24px;align-items:center;min-height:38px;overflow:auto;scrollbar-width:none}.channel-links::-webkit-scrollbar{display:none}.channel-links a{font-size:13px;color:var(--muted);white-space:nowrap}.channel-links a:hover{color:#fff}.mobile-header{display:none}.site-main{padding:32px 0 86px;min-height:65vh}.page-hero{padding:30px 0 22px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;letter-spacing:.08em}.eyebrow:before{content:"";width:18px;height:1px;background:var(--gold)}h1,h2,h3{color:var(--text);line-height:1.3;margin:0 0 14px}h1{font-size:clamp(32px,4vw,42px);margin-top:10px;max-width:900px}h2{font-size:26px}h3{font-size:18px}.lead{max-width:900px;color:var(--body);font-size:18px}.section{margin:22px 0;padding:26px;border:1px solid var(--line);background:var(--panel);border-radius:16px}.section p{margin:0 0 14px}.section p:last-child{margin-bottom:0}.section-title{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:16px}.section-title .more{color:var(--primary);font-size:14px}.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(--sub);border:1px solid var(--line);border-radius:14px;padding:20px;min-width:0}.card p{color:var(--body);margin:0}.card h3{margin-bottom:10px}.text-link{color:var(--primary);font-weight:700}.text-link:hover{color:var(--primary-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-app{aspect-ratio:4/5;max-width:440px;margin:0 auto}.media-placeholder{display:grid;place-items:center;color:#59606e;background:linear-gradient(135deg,#12151c,#1a1f29)}.media-placeholder:before{content:"";width:34%;height:34%;max-width:90px;max-height:90px;border:1px solid rgba(255,255,255,.12);border-radius:16px}.split{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:26px;align-items:center}.split.reverse{grid-template-columns:minmax(320px,.92fr) minmax(0,1.08fr)}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.tag{display:inline-flex;min-height:32px;align-items:center;padding:0 11px;border-radius:999px;background:#141821;border:1px solid var(--line);color:var(--muted);font-size:13px}.list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.list li{padding:14px 16px;border-left:2px solid var(--primary);background:#161a22;border-radius:0 10px 10px 0}.qa{display:grid;gap:14px}.qa article{padding:18px 20px;background:#151922;border:1px solid var(--line);border-radius:12px}.qa h3{font-size:17px}.qa p{margin:0}.carousel{overflow:hidden}.carousel-stage{position:relative}.carousel-slide{display:none}.carousel-slide.active{display:block}.carousel-slide .media{height:clamp(220px,24vw,300px);aspect-ratio:auto}.carousel-controls{display:flex;align-items:center;justify-content:center;gap:10px;padding-top:14px}.carousel-controls button{border:1px solid var(--line);background:#161a22;color:var(--text);min-width:40px;min-height:40px;border-radius:10px;cursor:pointer}.carousel-controls button:hover{border-color:rgba(244,81,50,.55)}.carousel-dot{width:12px!important;min-width:12px!important;height:12px!important;min-height:12px!important;border-radius:50%!important;padding:0!important;background:#3a404c!important}.carousel-dot.active{background:var(--primary)!important}.venue-card .media{margin-bottom:14px}.venue-card p{font-size:14px}.note{padding:16px 18px;border:1px solid rgba(215,168,75,.28);background:rgba(215,168,75,.05);border-radius:12px;color:#e1d7bc}.inline-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:18px}.inline-links a{color:var(--primary)}.site-footer{background:#0d0f13;border-top:1px solid var(--line);padding:38px 0 82px}.footer-grid{display:grid;grid-template-columns:1.45fr 1fr 1fr 1fr;gap:28px}.footer-grid h3{font-size:15px;margin-bottom:12px}.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;align-items:flex-start}.footer-grid a:not(.brand){color:var(--muted);min-height:34px}.footer-grid a:hover{color:#fff}.footer-brand p{max-width:360px;color:var(--muted);font-size:14px}.footer-bottom{border-top:1px solid var(--line);margin-top:28px;padding-top:18px;color:var(--muted);font-size:13px;display:flex;justify-content:space-between;gap:20px}.mobile-bottom{display:none}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#1a1f29;color:#fff;z-index:900;opacity:0;pointer-events:none;transition:.2s;cursor:pointer}.back-top.show{opacity:1;pointer-events:auto}.mobile-drawer,.drawer-mask{display:none}
@media(max-width:980px){
.desktop-header{display:none}.mobile-header{height:60px;display:grid;grid-template-columns:72px minmax(0,1fr) 72px;align-items:center;gap:6px}.menu-toggle{width:44px;height:44px;padding:0 10px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer}.menu-toggle span{height:2px;background:#fff;border-radius:2px}.mobile-brand{display:flex;align-items:center;justify-content:center;gap:8px;color:#fff;font-weight:800;min-width:0}.mobile-logo{width:30px;height:30px;border-radius:9px;flex:0 0 30px}.mobile-register{justify-self:end;min-height:40px;padding:0 14px;font-size:14px}.channel-links{min-height:36px}.site-main{padding-top:18px;padding-bottom:110px}.page-hero{padding:18px 0 10px}h1{font-size:clamp(28px,8vw,32px)}h2{font-size:22px}.lead{font-size:17px}.section{padding:20px;margin:16px 0}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.split,.split.reverse{grid-template-columns:1fr}.split.reverse .media{order:2}.split.reverse .copy{order:1}.footer-grid{grid-template-columns:1.2fr 1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:950;display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom);background:#12151c;border-top:1px solid var(--line)}.mobile-bottom a{min-height:58px;display:grid;place-items:center;color:var(--muted);font-size:13px}.mobile-bottom .bottom-register{color:var(--primary);font-weight:800}.back-top{bottom:78px;right:16px}.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:68px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-logo{width:36px;height:36px;border-radius:10px}.drawer-brand>span:last-child{display:flex;flex-direction:column;line-height:1.1}.drawer-brand small{color:var(--muted);font-size:9px;margin-top:4px}.drawer-close{width:42px;height:42px;border:0;background:transparent;color:#fff;font-size:30px;cursor:pointer}.drawer-group{padding:16px;border-bottom:1px solid var(--line)}.drawer-group strong{display:block;color:var(--gold);font-size:12px;letter-spacing:.08em;margin-bottom:8px}.drawer-group a{display:flex;align-items:center;min-height:44px;color:var(--body)}.carousel-slide .media{height:clamp(140px,42vw,180px)}.venue-card .media{max-height:260px}
}
@media(max-width:640px){.shell{width:min(calc(100% - 22px),var(--shell))}.grid-4,.grid-3,.grid-2{grid-template-columns:1fr}.section{border-radius:13px;padding:18px}.card{padding:17px}.channel-links{gap:18px}.footer-grid{grid-template-columns:1fr 1fr}.footer-brand{grid-column:1/-1}.footer-bottom{padding-bottom:8px}.carousel-controls{gap:8px}.mobile-header{grid-template-columns:64px minmax(0,1fr) 64px}.mobile-register{padding:0 12px}.mobile-brand span:last-child{white-space:nowrap}.media-4x5{max-height:260px}}

/* Mobile drawer interaction contract */
.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}
.channel-links a,.drawer-group a,.footer-grid a:not(.brand),.inline-links a{display:inline-flex;align-items:center;min-height:40px}
.venue-card .media.media-4x5{width:min(100%,208px);max-height:none;margin-left:auto;margin-right:auto}
}