:root{--bg:#111318;--nav:#151820;--panel:#1A1E27;--panel2:#222733;--accent:#F45132;--accent2:#FF684E;--gold:#D7A84B;--text:#F7F8FA;--body:#D5D8DF;--muted:#AEB4C0;--line:rgba(255,255,255,.09)}
*{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}img{max-width:100%}a{color:inherit;text-decoration:none;touch-action:manipulation}.shell{width:min(1200px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:10000;background:var(--nav);border-bottom:1px solid var(--line)}.desktop-head{height:72px;display:flex;align-items:center;gap:22px}.brand-mark{display:inline-flex;align-items:center;gap:10px;min-width:166px}.brand-mark img,.mobile-brand img{width:38px;height:38px;object-fit:contain}.logo-fallback{display:inline-block;width:38px;height:38px;border:1px solid var(--line);border-radius:10px;background:#12151c}.brand-text{display:flex;flex-direction:column;line-height:1.08}.brand-text strong{color:var(--text);font-size:18px}.brand-text small{color:var(--muted);font-size:10px;letter-spacing:.14em;margin-top:5px}.desktop-nav{display:flex;align-items:stretch;justify-content:center;gap:2px;flex:1;height:100%}.desktop-nav a{position:relative;display:flex;align-items:center;padding:0 10px;color:var(--muted);min-height:40px;white-space:nowrap}.desktop-nav a:hover,.desktop-nav a.active{color:var(--text)}.desktop-nav a.active:after{content:"";position:absolute;left:10px;right:10px;bottom:0;height:2px;background:var(--accent)}.register-btn{height:42px;min-width:78px;padding:0 22px;border-radius:999px;background:var(--accent);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-weight:700}.register-btn:hover{background:var(--accent2)}.channel-bar{background:#12151c;border-top:1px solid var(--line)}.channel-links{height:38px;display:flex;align-items:center;gap:26px;color:var(--muted);font-size:14px}.channel-links a{min-height:40px;display:inline-flex;align-items:center}.channel-links a:hover{color:var(--text)}.mobile-head{display:none}.site-main{min-height:60vh}.hero{padding:54px 0 22px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:24px;align-items:end}.kicker{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.12em}.kicker:before{content:"";width:24px;height:1px;background:var(--gold)}.hero h1,.page-hero h1{font-size:clamp(32px,4vw,42px);line-height:1.18;margin:10px 0 14px;color:var(--text)}.hero p,.page-hero p{margin:0;color:var(--muted);font-size:17px}.hero-note{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:20px}.hero-note strong{display:block;color:var(--text);margin-bottom:6px}.page-hero{padding:50px 0 18px}.page-hero p{max-width:820px}.section{padding:28px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:18px}.section-title{margin:0;color:var(--text);font-size:24px;line-height:1.3}.section-title:after{content:"";display:block;width:36px;height:2px;background:var(--accent);margin-top:9px}.section-intro{max-width:640px;margin:0;color:var(--muted);font-size:15px}.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:linear-gradient(180deg,var(--panel),#171b23);border:1px solid var(--line);border-radius:16px;padding:20px;min-width:0}.card h2,.card h3{color:var(--text);margin:0 0 10px;line-height:1.35}.card h3{font-size:19px}.card p{margin:0}.number-card b{display:block;color:var(--gold);font-size:13px;letter-spacing:.08em;margin-bottom:8px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:24px}.panel p{margin:0 0 14px}.panel p:last-child{margin-bottom:0}.article-copy{max-width:900px}.article-copy h2{color:var(--text);font-size:24px;margin:30px 0 10px}.article-copy h3{color:var(--text);font-size:19px;margin:22px 0 8px}.article-copy p{margin:0 0 16px}.text-link{color:#ff947f;border-bottom:1px solid rgba(244,81,50,.42)}.text-link:hover{color:var(--accent2)}.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:block;background:linear-gradient(145deg,#161a22,#0f1117)}.media-frame{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:10px}.media-caption{margin:10px 4px 2px;color:var(--muted);font-size:14px}.gallery-strip{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}.gallery-strip .media{aspect-ratio:16/9}.venue-card .media{margin-bottom:14px}.venue-card p{font-size:14px;color:var(--muted)}.feature-list{display:grid;gap:12px}.feature-row{display:grid;grid-template-columns:150px 1fr;gap:20px;padding:18px 0;border-bottom:1px solid var(--line)}.feature-row:last-child{border-bottom:0}.feature-row strong{color:var(--text)}.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.related-links a{display:inline-flex;align-items:center;min-height:42px;padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);color:var(--text)}.related-links a:hover{border-color:rgba(244,81,50,.48);color:#ff947f}.notice{border-left:3px solid var(--gold);background:var(--panel);padding:18px 20px;border-radius:0 14px 14px 0}.qa-list{display:grid;gap:14px}.qa{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px}.qa h3{margin:0 0 8px;color:var(--text);font-size:18px}.qa p{margin:0}.carousel{max-width:1200px;margin:0 auto}.carousel-viewport{overflow-x:auto;overflow-y:hidden;scroll-snap-type:x mandatory;border-radius:16px;background:#12151c}.carousel-track{display:flex}.carousel-slide{min-width:100%;height:260px;scroll-snap-align:start}.carousel-slide .media{height:100%;aspect-ratio:auto;border-radius:0}.site-footer{margin-top:50px;border-top:1px solid var(--line);background:#0d0f13}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px;padding:42px 0}.footer-grid h2{font-size:16px;color:var(--text);margin:0 0 14px}.footer-grid a{display:flex;align-items:center;color:var(--muted);min-height:40px}.footer-grid a:hover{color:var(--text)}.footer-bottom{display:flex;justify-content:space-between;gap:16px;padding:18px 0 28px;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.mobile-bottom{display:none}.back-top{position:fixed;right:18px;bottom:22px;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:var(--panel2);color:var(--text);cursor:pointer;opacity:0;pointer-events:none;transition:.2s;z-index:9000}.back-top.show{opacity:1;pointer-events:auto}.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-head{display:none}.mobile-head{height:62px;display:grid;grid-template-columns:90px 1fr 90px;align-items:center;padding:0 14px;gap:6px}.menu-btn{width:44px;height:44px;border:0;background:transparent;color:var(--text);display:flex;flex-direction:column;justify-content:center;gap:5px;padding:10px;cursor:pointer}.menu-btn span{display:block;height:2px;background:currentColor;border-radius:4px}.mobile-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:0;color:var(--text);font-size:17px}.mobile-brand img,.mobile-brand .logo-fallback{width:32px;height:32px}.mobile-register{justify-self:end;height:40px;min-width:68px;padding:0 16px}.channel-bar{display:none}.drawer-top{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 14px;border-bottom:1px solid var(--line)}.drawer-close{width:42px;height:42px;border:0;background:transparent;color:var(--text);font-size:28px;cursor:pointer}.drawer-group{padding:14px}.drawer-group h2{font-size:13px;color:var(--gold);margin:0 0 6px;letter-spacing:.08em}.drawer-group a{display:flex;align-items:center;min-height:44px;border-bottom:1px solid var(--line);color:var(--body)}body.drawer-open{overflow:hidden}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.gallery-strip{grid-template-columns:repeat(3,minmax(0,1fr))}.carousel-slide{height:170px}.hero-grid{grid-template-columns:1fr}.site-main{padding-bottom:78px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr);background:#151820;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{min-height:58px;display:flex;align-items:center;justify-content:center;color:var(--muted);font-size:14px}.mobile-bottom .bottom-register{color:var(--accent);font-weight:700}.back-top{bottom:82px}}
@media(max-width:680px){.shell{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{display:block}.section-intro{margin-top:8px}.section-title{font-size:21px}.panel,.card,.qa{padding:18px}.grid-2,.grid-3,.grid-4,.gallery-strip{grid-template-columns:1fr}.media-4x5{max-height:260px;aspect-ratio:4/5}.media-4x5 img{object-fit:contain}.feature-row{grid-template-columns:1fr;gap:6px}.footer-grid{grid-template-columns:1fr;gap:20px;padding:30px 0}.footer-bottom{display:block;padding-bottom:24px}.footer-bottom span{display:block;margin-top:6px}.related-links{gap:8px}.related-links a{font-size:14px}.carousel-slide{height:160px}}
@media(max-width:390px){.mobile-head{grid-template-columns:76px 1fr 76px;padding:0 10px}.mobile-register{min-width:64px;padding:0 12px}.mobile-brand strong{font-size:16px}.mobile-brand img,.mobile-brand .logo-fallback{width:30px;height:30px}}