:root{--bg:#111318;--nav:#151820;--panel:#1A1E27;--sub:#222733;--brand:#F45132;--brand-hover:#FF684E;--gold:#D7A84B;--text:#F7F8FA;--body:#D5D8DF;--muted:#AEB4C0;--border:rgba(255,255,255,.09);--radius:14px}
*{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}
a{color:inherit;text-decoration:none;touch-action:manipulation}
img{max-width:100%}
button{font:inherit}
.wrap{width:min(1200px,calc(100% - 36px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9000;background:var(--nav);border-bottom:1px solid var(--border)}
.desktop-bar{height:72px;display:flex;align-items:center;gap:20px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:150px}
.brand img{width:42px;height:42px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;color:var(--text)}
.brand-text small{font-size:10px;letter-spacing:.12em;color:var(--muted);margin-top:3px}
.logo-placeholder{display:grid;place-items:center;width:42px;height:42px;border-radius:12px;background:var(--sub);color:var(--brand);font-weight:800}
.logo-placeholder.small{width:34px;height:34px}
.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:4px;flex:1;height:100%}
.desktop-nav a{display:flex;align-items:center;padding:0 12px;color:var(--muted);border-bottom:2px solid transparent;min-height:40px}
.desktop-nav a:hover,.desktop-nav a.current{color:var(--text);border-bottom-color:var(--brand)}
.register-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:82px;padding:0 22px;border-radius:999px;background:var(--brand);color:#fff;font-weight:800;white-space:nowrap}
.register-btn:hover{background:var(--brand-hover)}
.mobile-bar{display:none}
.channel-strip{border-top:1px solid var(--border);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{color:var(--muted);font-size:14px;white-space:nowrap}
.channel-links a:hover{color:var(--text)}
.site-main{min-height:60vh}
.hero,.page-hero{padding:52px 0 26px}
.hero h1,.page-hero h1{margin:0;color:var(--text);font-size:clamp(32px,4.6vw,42px);line-height:1.2}
.hero p,.page-hero p{max-width:830px;margin:16px 0 0;color:var(--muted);font-size:17px}
.section{padding:28px 0}
.section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
.section-head h2,.content-card h2{margin:0;color:var(--text);font-size:26px;line-height:1.35}
.section-head p{margin:0;color:var(--muted)}
.grid{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,.content-card,.faq-item,.mini-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.card h3,.mini-card h3{margin:0 0 10px;color:var(--text);font-size:20px}
.card p,.mini-card p,.content-card p{margin:0 0 13px}
.card p:last-child,.mini-card p:last-child,.content-card p:last-child{margin-bottom:0}
.text-link{color:var(--text);font-weight:700;border-bottom:1px solid var(--brand);padding-bottom:2px}
.text-link:hover{color:var(--brand-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;display:grid;place-items:center;color:var(--muted);border:1px dashed var(--border);font-size:14px}
.venue-card .media{margin-bottom:14px}
.venue-card h3{margin-top:0}
.split{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(320px,.95fr);gap:28px;align-items:center}
.notice{border-left:3px solid var(--brand);background:var(--panel);padding:18px 20px;border-radius:0 var(--radius) var(--radius) 0}
.gold-dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--gold);margin-right:8px;vertical-align:2px}
.tag{display:inline-flex;align-items:center;min-height:30px;padding:0 10px;border-radius:999px;background:var(--sub);color:var(--muted);font-size:13px}
.link-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
.link-row a{display:inline-flex;align-items:center;min-height:40px;padding:8px 12px;border-radius:10px;background:var(--sub);color:var(--text)}
.link-row a:hover{outline:1px solid var(--brand)}
.faq-stack{display:grid;gap:12px}
.faq-item h2,.faq-item h3{margin:0 0 8px;color:var(--text);font-size:19px}
.faq-item p{margin:0}
.site-footer{margin-top:54px;background:#0d0f13;border-top:1px solid var(--border);padding:42px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px}
.footer-grid h2{font-size:15px;color:var(--text);margin:0 0 12px}
.footer-grid>div>a:not(.brand){display:block;color:var(--muted);padding:5px 0}
.footer-grid>div>a:hover{color:var(--text)}
.footer-brand p{color:var(--muted);margin:14px 0 0;max-width:360px}
.footer-bottom{margin-top:28px;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:14px}
.mobile-bottom{display:none}
.back-top{position:fixed;right:20px;bottom:28px;z-index:8000;width:42px;height:42px;border:1px solid var(--border);border-radius:50%;background:var(--panel);color:var(--text);cursor:pointer;opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s}
.back-top.visible{opacity:1;pointer-events:auto;transform:translateY(0)}
.slider{position:relative}
.slides{position:relative}
.slide{display:none}
.slide.active{display:block}
.slider-controls{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:12px}
.slider-prev,.slider-next,.slider-dot{border:0;cursor:pointer}
.slider-prev,.slider-next{width:40px;height:40px;border-radius:10px;background:var(--sub);color:var(--text)}
.slider-dots{display:flex;gap:8px}
.slider-dot{width:10px;height:10px;border-radius:50%;background:#555b68;padding:0;min-height:auto}
.slider-dot.active{background:var(--brand)}

.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;grid-template-columns:70px 1fr 70px;align-items:center;height:62px;padding:0 12px;gap:6px}
.menu-btn{width:44px;height:44px;display:grid;place-content:center;gap:5px;border:0;background:transparent;justify-self:start;cursor:pointer}
.menu-btn span{display:block;width:22px;height:2px;background:var(--text);border-radius:3px}
.mobile-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:0;color:var(--text);font-size:16px}
.mobile-brand img{width:34px;height:34px;object-fit:contain}
.mobile-register{min-width:64px;height:40px;padding:0 14px;justify-self:end}
.channel-strip{display:none}
.drawer-head{height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid var(--border)}
.drawer-close{width:42px;height:42px;border:0;background:transparent;color:var(--text);font-size:30px;cursor:pointer}
.drawer-group{padding:14px 16px 4px}
.drawer-group h2{margin:0 0 6px;color:var(--muted);font-size:13px}
.drawer-group a{display:flex;align-items:center;min-height:42px;border-bottom:1px solid var(--border);color:var(--text)}
.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
.split{grid-template-columns:1fr}
.footer-grid{grid-template-columns:1fr 1fr}
.mobile-bottom{display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:10000;background:#151820;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:56px;color:var(--muted);font-size:14px}
.mobile-bottom a.accent{color:var(--brand);font-weight:800}
.site-footer{padding-bottom:82px}
.back-top{bottom:78px}
}
@media(max-width:680px){
.wrap{width:min(100% - 24px,1200px)}
.hero,.page-hero{padding:34px 0 18px}
.hero h1,.page-hero h1{font-size:30px}
.hero p,.page-hero p{font-size:16px}
.section{padding:22px 0}
.section-head{align-items:start;flex-direction:column}
.section-head h2,.content-card h2{font-size:23px}
.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}
.card,.content-card,.faq-item,.mini-card{padding:18px}
.slider .media{aspect-ratio:auto;height:160px}
.venue-card .media{max-height:260px}
.footer-grid{grid-template-columns:1fr}
.footer-bottom{flex-direction:column}
.mobile-bar{grid-template-columns:62px minmax(0,1fr) 62px;padding:0 8px}
.mobile-register{min-width:58px;padding:0 12px}
.mobile-brand strong{white-space:nowrap}
.mobile-brand img{width:30px;height:30px}
.logo-placeholder.small{width:30px;height:30px}
}
@media(min-width:681px){.slider .media{height:260px;aspect-ratio:auto}}