: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}
body.drawer-open{overflow:hidden}
img,svg,video,canvas{max-width:100%;height:auto}
a{color:inherit;text-decoration:none;touch-action:manipulation}
button{font:inherit;touch-action:manipulation}
.shell{width:min(calc(100% - 40px),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:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;min-height:44px;flex:0 0 auto}
.brand img,.drawer-brand img,.mobile-brand img{display:block;object-fit:contain}
.logo-placeholder{display:inline-block;width:40px;height:40px;border-radius:10px;background:linear-gradient(145deg,#272d39,#171b23);border:1px solid var(--line)}
.logo-placeholder.small{width:36px;height:36px}
.brand-copy{display:flex;flex-direction:column;line-height:1.12;color:var(--text)}
.brand-copy strong{font-size:18px;letter-spacing:.04em}
.brand-copy small{font-size:10px;color:var(--muted);letter-spacing:.12em;margin-top:4px}
.primary-nav{display:flex;align-items:center;justify-content:center;gap:5px;min-width:0;flex:1;height:100%}
.primary-nav a{position:relative;display:flex;align-items:center;justify-content:center;min-height:44px;padding:0 12px;color:var(--muted);white-space:nowrap}
.primary-nav a:hover{color:var(--text)}
.primary-nav a.active{color:#fff}
.primary-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:3px;background:var(--accent);border-radius:3px 3px 0 0}
.register-btn{display:inline-flex;align-items:center;justify-content:center;min-width:78px;height:42px;padding:0 20px;border-radius:999px;background:var(--accent);color:#fff;font-weight:700;white-space:nowrap;transition:background .2s ease,transform .2s ease}
.register-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}
.mobile-bar{display:none}
.channel-strip{background:#13161d;border-bottom:1px solid var(--line)}
.channel-links{min-height:42px;display:flex;align-items:center;gap:18px;font-size:14px;color:var(--muted);overflow-x:auto;scrollbar-width:none}
.channel-links::-webkit-scrollbar{display:none}
.channel-links span{color:var(--gold);font-weight:700;white-space:nowrap}
.channel-links a{white-space:nowrap;min-height:40px;display:inline-flex;align-items:center}
.channel-links a:hover{color:var(--text)}
.site-main{min-height:60vh;padding:28px 0 76px}
.page-shell{width:min(calc(100% - 40px),var(--shell));margin:0 auto}
.hero{padding:30px 34px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(145deg,#1b202a,#151820);margin-bottom:24px}
.hero .eyebrow{margin:0 0 8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em}
.hero h1{margin:0;color:var(--text);font-size:clamp(32px,4vw,42px);line-height:1.22;letter-spacing:-.02em}
.hero p{margin:14px 0 0;max-width:820px;color:var(--muted)}
.content-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px;align-items:start}
.article{min-width:0}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px;margin-bottom:20px;overflow:hidden}
.panel h2{margin:0 0 12px;color:var(--text);font-size:24px;line-height:1.35}
.panel h3{margin:20px 0 8px;color:var(--text);font-size:18px;line-height:1.45}
.panel p{margin:0 0 13px}
.panel p:last-child{margin-bottom:0}
.panel ul,.panel ol{margin:10px 0 0;padding-left:1.35em}
.panel li{margin:6px 0}
.panel a,.text-link{color:#ffd3c9;border-bottom:1px solid rgba(244,81,50,.45)}
.panel a:hover,.text-link:hover{color:#fff;border-color:var(--accent-hover)}
.lead{font-size:17px;color:#e4e6eb}
.muted{color:var(--muted)}
.tagline{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tagline span{padding:5px 10px;border-radius:999px;background:var(--panel2);border:1px solid var(--line);font-size:13px;color:var(--muted)}
.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,#171b23,#101219);border:1px solid var(--line)}
.media-label{position:absolute;left:14px;bottom:12px;padding:4px 9px;border-radius:999px;background:rgba(17,19,24,.78);color:var(--muted);font-size:12px}
.media-caption{margin:9px 0 0!important;color:var(--muted);font-size:14px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.72fr);gap:22px;align-items:center}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{padding:19px;background:var(--panel2);border:1px solid var(--line);border-radius:12px;min-width:0}
.card h3{margin:0 0 8px;color:var(--text);font-size:18px}
.card p{margin:0 0 10px;color:var(--body)}
.card .text-link{font-size:14px}
.venue-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.venue-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;overflow:hidden}
.venue-card h3{margin:12px 0 6px;color:var(--text);font-size:17px}
.venue-card p{margin:0;color:var(--muted);font-size:14px}
.link-list{display:grid;gap:8px}
.link-list a{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:8px 12px;border:1px solid var(--line);border-radius:9px;background:#171b23;color:var(--body)}
.link-list a:hover{border-color:rgba(244,81,50,.45);color:#fff}
.side-note{position:sticky;top:142px}
.side-note h2{font-size:18px}
.notice{border-left:3px solid var(--gold);padding:14px 16px;background:#171b23;border-radius:0 10px 10px 0;color:var(--muted)}
.notice strong{color:var(--text)}
.qa{border-top:1px solid var(--line);padding:16px 0}
.qa:first-child{border-top:0;padding-top:0}
.qa h3{margin:0 0 7px;font-size:17px}
.qa p{margin:0;color:var(--body)}
.site-footer{background:#0d0f13;border-top:1px solid var(--line);padding:42px 0 84px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:28px}
.footer-grid h2{font-size:15px;margin:0 0 12px;color:var(--text)}
.footer-grid>div>a:not(.brand){display:block;min-height:38px;color:var(--muted);font-size:14px}
.footer-grid>div>a:hover{color:#fff}
.footer-brand p{max-width:420px;color:var(--muted);font-size:14px;margin:14px 0 0}
.footer-bottom{display:flex;justify-content:space-between;gap:24px;border-top:1px solid var(--line);margin-top:28px;padding-top:20px;color:var(--muted);font-size:13px}
.footer-bottom p{margin:0}
.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:#1b2029;color:#fff;z-index:9000;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s ease}
.back-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}

.carousel{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:14px;margin-bottom:20px}
.carousel-frame{position:relative;width:100%;height:260px;border-radius:10px;overflow:hidden;background:#12151c}
.carousel-slide{display:none;position:absolute;inset:0}
.carousel-slide.is-active{display:block}
.carousel-slide img{width:100%;height:100%;object-fit:contain;object-position:center;display:block}
.carousel-slide .slide-placeholder{position:absolute;inset:0;background:linear-gradient(145deg,#171b23,#0f1116)}
.carousel-controls{display:flex;justify-content:center;align-items:center;gap:14px;margin-top:12px}
.carousel-controls button{min-width:40px;min-height:40px;border:1px solid var(--line);border-radius:999px;background:#181c24;color:var(--text);cursor:pointer}
.carousel-dots{display:flex;align-items:center;gap:8px}
.carousel-dot{width:40px!important;min-width:40px!important;height:40px!important;min-height:40px!important;padding:0;position:relative}
.carousel-dot:after{content:"";position:absolute;width:7px;height:7px;border-radius:50%;background:#707887;left:50%;top:50%;transform:translate(-50%,-50%)}
.carousel-dot.is-active:after{background:var(--accent)}
.carousel-prev:hover,.carousel-next:hover,.carousel-dot:hover{border-color:rgba(244,81,50,.55)}

.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{height:62px;display:grid;grid-template-columns:64px minmax(0,1fr) 82px;align-items:center;padding:0 12px;gap:8px}
.menu-toggle{width:46px;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;height:2px;background:#fff;border-radius:2px}
.mobile-brand{justify-self:center;display:inline-flex;align-items:center;gap:7px;min-width:0;color:#fff;white-space:nowrap}
.mobile-brand strong{font-size:16px;overflow:hidden;text-overflow:ellipsis}
.mobile-register{justify-self:end;min-width:70px;height:40px;padding:0 15px}
.drawer-head{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--line)}
.drawer-brand{display:flex;align-items:center;gap:10px}
.drawer-brand>span:last-child{display:flex;flex-direction:column;line-height:1.12}
.drawer-brand small{font-size:10px;color:var(--muted);margin-top:3px}
.drawer-close{width:44px;height:44px;border:0;background:transparent;color:#fff;font-size:30px;line-height:1;cursor:pointer}
.drawer-group{padding:14px 16px;border-bottom:1px solid var(--line)}
.drawer-group h2{margin:0 0 7px;font-size:12px;letter-spacing:.12em;color:var(--gold)}
.drawer-group a{display:flex;align-items:center;min-height:44px;color:var(--body);border-radius:8px;padding:0 8px}
.drawer-group a:hover{background:#202530;color:#fff}
.content-grid{grid-template-columns:1fr}
.side-note{position:static}
.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.venue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.card-grid{grid-template-columns:1fr}
.card-grid.two{grid-template-columns:1fr}
.split{grid-template-columns:1fr}
.site-main{padding-bottom:98px}
.site-footer{padding-bottom:94px}
.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:10000;background:#12151b;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:56px;color:var(--muted);font-size:14px}
.mobile-bottom a.accent{color:var(--accent);font-weight:800}
.back-top{bottom:76px}
}
@media(max-width:640px){
.shell,.page-shell{width:min(calc(100% - 24px),var(--shell))}
.channel-links{gap:14px}
.hero{padding:22px 20px;border-radius:13px}
.hero h1{font-size:clamp(27px,8vw,32px)}
.hero p{font-size:15px}
.panel{padding:19px;border-radius:12px}
.panel h2{font-size:21px}
.venue-grid{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr;gap:22px 16px}
.footer-brand{grid-column:1/-1}
.footer-bottom{flex-direction:column;gap:8px}
.carousel{padding:10px}
.carousel-frame{height:170px}
.media-4x5{max-height:260px;aspect-ratio:4/5}
}
@media(max-width:380px){
.mobile-bar{grid-template-columns:54px minmax(0,1fr) 74px;padding:0 8px;gap:4px}
.mobile-brand{gap:5px}
.mobile-brand img,.mobile-brand .logo-placeholder{width:32px;height:32px}
.mobile-brand strong{font-size:15px}
.mobile-register{min-width:66px;padding:0 12px}
.footer-grid{grid-template-columns:1fr}
.footer-brand{grid-column:auto}
}
.noscript-nav{display:none}
@media(max-width:980px){
.noscript-nav{display:flex;gap:8px;overflow-x:auto;padding:8px 12px;border-top:1px solid var(--line);background:#12151b}
.noscript-nav a{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 12px;border:1px solid var(--line);border-radius:999px;color:var(--body);white-space:nowrap}
}