: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);--max:1200px}
*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
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}
a{color:inherit;text-decoration:none;touch-action:manipulation}
img,svg,video{max-width:100%}
button{font:inherit;touch-action:manipulation}
.shell{width:min(calc(100% - 32px),var(--max));margin:0 auto}
.site-header{position:sticky;top:0;z-index:1000;background:var(--nav);border-bottom:1px solid var(--line)}
.desktop-nav{height:72px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px}
.brand,.drawer-brand,.mobile-brand{display:flex;align-items:center;gap:10px;color:var(--text);min-height:40px}
.brand-logo{width:38px;height:38px;object-fit:contain;border-radius:8px;display:block}
.brand-logo-fallback{width:38px;height:38px;display:grid;place-items:center;border:1px solid var(--line);border-radius:8px;color:var(--accent);font-weight:800;background:#12151c}
.brand-copy{display:flex;flex-direction:column;line-height:1.05}.brand-copy strong{font-size:18px}.brand-copy small{margin-top:4px;font-size:10px;color:var(--muted);letter-spacing:.08em}
.main-nav{display:flex;justify-content:center;align-items:stretch;gap:4px;min-width:0;height:72px}.main-nav a{position:relative;display:flex;align-items:center;justify-content:center;padding:0 12px;color:var(--muted);white-space:nowrap;min-height:40px}.main-nav a:hover{color:var(--text)}.main-nav a.active{color:var(--text)}.main-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:var(--accent)}
.register-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 22px;border-radius:999px;background:var(--accent);color:#fff;font-weight:700;white-space:nowrap}.register-btn:hover{background:var(--accent-hover)}
.mobile-topbar{display:none}.channel-strip{background:#12151c;border-top:1px solid var(--line)}.channel-links{min-height:38px;display:flex;align-items:center;gap:18px;font-size:14px}.channel-links span{color:var(--gold)}.channel-links a{color:var(--muted);min-height:40px;display:flex;align-items:center}.channel-links a:hover{color:var(--text)}
.site-main{min-height:50vh}.page-hero{padding:56px 0 28px}.page-hero.compact{padding-bottom:18px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;letter-spacing:.08em}.eyebrow:before{content:"";width:28px;height:1px;background:var(--accent)}
h1{margin:10px 0 12px;color:var(--text);font-size:clamp(32px,4vw,42px);line-height:1.18;letter-spacing:-.02em}h2{margin:0 0 12px;color:var(--text);font-size:26px;line-height:1.35}h3{margin:0 0 8px;color:var(--text);font-size:19px;line-height:1.4}p{margin:0 0 14px}.lead{max-width:850px;color:var(--body);font-size:18px}.muted{color:var(--muted)}
.section{padding:28px 0}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-heading p{max-width:720px;color:var(--muted);margin:0}.accent-line{width:48px;height:2px;background:var(--accent);margin:14px 0 20px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}.panel.soft{background:var(--panel2)}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px;min-width:0}.card p:last-child{margin-bottom:0}.text-link{color:var(--text);text-decoration:underline;text-decoration-color:rgba(244,81,50,.6);text-underline-offset:4px}.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(135deg,#151820,#222733);border:1px solid var(--line)}
.feature-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:24px;align-items:start}.feature-layout.reverse{grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr)}.feature-layout.reverse .feature-media{order:2}.feature-copy{min-width:0}.feature-copy ul{padding-left:20px;margin:12px 0 18px}.feature-copy li{margin:6px 0}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}.tag{display:inline-flex;min-height:34px;align-items:center;padding:0 12px;border:1px solid var(--line);border-radius:999px;color:var(--muted);background:#151820}
.carousel-wrap{padding:26px 0 12px}.carousel{position:relative}.carousel-stage{position:relative;background:#12151c;border:1px solid var(--line);border-radius:14px;overflow:hidden;height:clamp(220px,24vw,300px)}.carousel-slide{display:none;position:absolute;inset:0}.carousel-slide.is-active{display:block}.carousel-slide .media{height:100%;aspect-ratio:auto;border-radius:0}.carousel-controls{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:12px}.carousel-arrow,.carousel-dot{border:1px solid var(--line);background:var(--panel);color:var(--text);cursor:pointer;min-width:40px;min-height:40px;border-radius:10px}.carousel-dot{min-width:12px;width:12px;min-height:12px;height:12px;border-radius:999px;padding:0;background:#5a606c}.carousel-dot.is-active{background:var(--accent);border-color:var(--accent)}.carousel-arrow:hover{border-color:rgba(244,81,50,.6)}
.venue-card .media{margin-bottom:14px}.venue-card p{color:var(--muted)}.list-stack{display:grid;gap:12px}.list-item{display:grid;grid-template-columns:auto 1fr;gap:14px;padding:16px 0;border-bottom:1px solid var(--line)}.list-item:last-child{border-bottom:0}.list-index{width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:#141820;border:1px solid var(--line);color:var(--gold);font-size:13px}.question{padding:18px 0;border-bottom:1px solid var(--line)}.question:last-child{border-bottom:0}.question h3{font-size:18px}.note{border-left:3px solid var(--accent);background:#151820;padding:16px 18px;border-radius:0 10px 10px 0;color:var(--body)}
.inline-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}.inline-links a{min-height:40px;display:inline-flex;align-items:center;padding:0 13px;border:1px solid var(--line);border-radius:10px;background:#151820}.inline-links a:hover{border-color:rgba(244,81,50,.6)}
.site-footer{margin-top:56px;background:#0d0f13;border-top:1px solid var(--line);padding:42px 0 26px}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.footer-grid h2{font-size:17px}.footer-grid a{display:block;color:var(--muted);min-height:34px}.footer-grid a:hover{color:var(--text)}.footer-bottom{margin-top:28px;padding-top:20px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:14px}.footer-bottom p{margin:0}.mobile-bottom{display:none}.back-top{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:var(--panel2);color:var(--text);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:900;cursor:pointer}.back-top.is-visible{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-nav{display:none}.mobile-topbar{height:62px;display:grid;grid-template-columns:72px minmax(0,1fr) 84px;align-items:center;gap:8px;padding:0 12px}.menu-toggle{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#12151c;color:var(--text);cursor:pointer}.mobile-brand{justify-self:center;min-width:0;font-weight:800}.mobile-logo{width:32px;height:32px}.mobile-register{justify-self:end;padding:0 16px;min-width:70px}.channel-strip{display:none}
.drawer-head{height:62px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}.drawer-logo{width:32px;height:32px}.drawer-close{width:40px;height:40px;border:1px solid var(--line);background:#12151c;color:var(--text);border-radius:10px;cursor:pointer}.drawer-nav{padding:14px 14px 28px;overflow-y:auto;height:calc(100vh - 62px)}.drawer-group{display:grid;gap:4px;margin-bottom:18px}.drawer-group strong{color:var(--gold);font-size:13px;padding:8px 10px}.drawer-group a{display:flex;align-items:center;min-height:44px;padding:0 10px;border-radius:8px;color:var(--body)}.drawer-group a:hover{background:var(--panel2);color:var(--text)}
.page-hero{padding-top:38px}.feature-layout,.feature-layout.reverse{grid-template-columns:1fr}.feature-layout.reverse .feature-media{order:0}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:1fr 1fr}.footer-bottom{flex-direction:column}.site-footer{padding-bottom:96px}.mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:64px;background:#101319;border-top:1px solid var(--line);z-index:1000;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-register{color:var(--accent)!important;font-weight:800}.back-top{bottom:82px}
}
@media(max-width:640px){
.shell{width:min(calc(100% - 24px),var(--max))}.mobile-topbar{grid-template-columns:56px minmax(0,1fr) 76px;padding:0 10px}.mobile-brand{gap:7px;font-size:15px}.mobile-register{min-width:68px;padding:0 13px}.page-hero{padding:30px 0 18px}h1{font-size:30px}h2{font-size:23px}.lead{font-size:17px}.section{padding:22px 0}.grid-2,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}.panel,.card{padding:16px}.carousel-stage{height:clamp(140px,44vw,180px)}.carousel-controls{gap:10px}.feature-layout{gap:16px}.media-4x5{max-height:260px;aspect-ratio:4/5}.footer-bottom{font-size:13px}.section-heading{display:block}.section-heading p{margin-top:8px}
}
@media(max-width:430px){.mobile-topbar{grid-template-columns:52px minmax(0,1fr) 72px}.mobile-brand span{white-space:nowrap}.mobile-logo{width:30px;height:30px}.mobile-register{padding:0 12px}.menu-toggle{width:40px;height:40px}}
@media(max-width:640px){.media.media-4x5{width:min(100%,208px);max-height:260px;margin-left:auto;margin-right:auto}}
@media(max-width:980px){.site-main{padding-bottom:64px}}