:root{--bg:#111318;--nav:#151820;--panel:#1A1E27;--panel2:#222733;--brand:#F45132;--brand-hover:#FF684E;--gold:#D7A84B;--text:#F7F8FA;--body:#D5D8DF;--muted:#AEB4C0;--border:rgba(255,255,255,.09);--shell:1200px;--radius:14px}
*{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}a{color:inherit;text-decoration:none;touch-action:manipulation}a:hover{color:var(--text)}img,svg,video,canvas{max-width:100%}button{font:inherit;touch-action:manipulation}.shell{width:min(calc(100% - 40px),var(--shell));margin:0 auto}.skip-link{position:fixed;left:12px;top:-80px;z-index:20000;background:var(--brand);color:#fff;padding:9px 14px;border-radius:8px}.skip-link:focus{top:12px}
.site-header{position:sticky;top:0;z-index:10000;background:var(--nav);border-bottom:1px solid var(--border)}.desktop-header{height:72px;display:grid;grid-template-columns:auto 1fr auto;gap:24px;align-items:center}.brand-link,.drawer-brand{display:inline-flex;align-items:center;gap:10px;min-height:40px}.brand-logo{width:40px;height:40px;object-fit:contain;display:block;flex:0 0 auto}.logo-fallback{display:block;background:#12151c;border:1px solid var(--border);border-radius:9px}.brand-text,.drawer-brand span{display:flex;flex-direction:column;line-height:1.15}.brand-text strong,.drawer-brand strong{font-size:17px;color:var(--text)}.brand-text small,.drawer-brand small{font-size:10px;letter-spacing:.14em;color:var(--muted);margin-top:4px}.main-nav{display:flex;align-items:center;justify-content:center;gap:6px;min-width:0;white-space:nowrap}.main-nav a{position:relative;color:var(--muted);padding:23px 12px 20px;min-height:40px}.main-nav a::after{content:"";position:absolute;left:12px;right:12px;bottom:10px;height:2px;background:transparent;border-radius:2px}.main-nav a:hover,.main-nav a.is-current{color:var(--text)}.main-nav a.is-current::after{background:var(--brand)}.register-btn{display:inline-flex;align-items:center;justify-content:center;min-width:82px;height:42px;padding:0 20px;background:var(--brand);color:#fff!important;border-radius:999px;font-weight:700;box-shadow:0 8px 18px rgba(0,0,0,.18)}.register-btn:hover{background:var(--brand-hover)}.channel-strip{background:#12151b;border-top:1px solid rgba(255,255,255,.04)}.channel-links{display:flex;gap:18px;align-items:center;min-height:38px;color:var(--muted);font-size:14px}.channel-links span{color:var(--gold);font-size:13px}.channel-links a{min-height:40px;display:inline-flex;align-items:center}.mobile-header{display:none;height:64px;grid-template-columns:74px 1fr 74px;align-items:center;padding:0 12px;gap:8px}.menu-btn{width:44px;height:44px;border:0;border-radius:10px;background:transparent;color:var(--text);display:flex;flex-direction:column;justify-content:center;gap:5px;padding:10px}.menu-btn span{display:block;height:2px;width:22px;background:currentColor;border-radius:2px}.mobile-brand{justify-self:center;min-width:0;display:flex;align-items:center;gap:8px;color:var(--text);font-weight:800;white-space:nowrap}.mobile-brand .brand-logo{width:32px;height:32px}.mobile-register{justify-self:end;min-width:68px;height:40px;padding:0 14px}
.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}
}
.drawer-head{height:68px;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;border-radius:10px;background:var(--panel2);color:var(--text);font-size:28px;line-height:1}.drawer-group{padding:16px;border-bottom:1px solid var(--border)}.drawer-group b{display:block;color:var(--gold);font-size:13px;margin-bottom:8px}.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:var(--panel);color:var(--text)}main{min-height:60vh;padding-bottom:28px}.hero{padding:54px 0 20px}.hero.compact{padding:46px 0 10px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:700;letter-spacing:.08em;margin-bottom:10px}.eyebrow::before{content:"";width:18px;height:2px;background:var(--brand);border-radius:2px}h1,h2,h3{color:var(--text);line-height:1.28;margin:0}h1{font-size:clamp(32px,4.1vw,42px);letter-spacing:-.02em}h2{font-size:24px;margin-bottom:14px}h3{font-size:18px;margin-bottom:8px}p{margin:0 0 14px}.lead{font-size:18px;color:var(--body);max-width:860px;margin-top:16px}.page-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;align-items:start;padding:24px 0 36px}.content-card,.side-card,.info-card,.qa-card,.news-card,.venue-card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius)}.content-card{padding:26px;margin-bottom:20px}.content-card p:last-child{margin-bottom:0}.side-stack{position:sticky;top:128px;display:grid;gap:16px}.side-card{padding:20px}.side-card a{display:flex;align-items:center;min-height:42px;color:var(--body);border-bottom:1px solid var(--border)}.side-card a:last-child{border-bottom:0}.side-card a::after{content:"→";margin-left:auto;color:var(--brand)}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.text-link{display:inline-flex;align-items:center;min-height:40px;padding:7px 12px;border:1px solid var(--border);border-radius:999px;color:var(--text);background:#151922}.text-link:hover{border-color:rgba(244,81,50,.55);color:#fff}.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(135deg,#12151c,#1d222d 55%,#141820)}.figure-note{font-size:13px;color:var(--muted);margin-top:8px}.split{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center}.cards-3,.cards-4,.cards-2{display:grid;gap:16px}.cards-3{grid-template-columns:repeat(3,minmax(0,1fr))}.cards-4{grid-template-columns:repeat(4,minmax(0,1fr))}.cards-2{grid-template-columns:repeat(2,minmax(0,1fr))}.info-card,.qa-card,.news-card{padding:20px}.info-card p,.qa-card p,.news-card p{color:var(--body)}.info-card a,.news-card a{color:var(--text);font-weight:700}.info-card a:hover,.news-card a:hover{color:var(--brand-hover)}.section{padding:22px 0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}.section-title p{max-width:700px;margin:0;color:var(--muted)}.hero-slider{position:relative;margin-top:18px;border:1px solid var(--border);border-radius:16px;background:#0d0f13;overflow:hidden}.slide{display:none;height:260px;background:#0d0f13}.slide.is-active{display:block}.slide .media{height:100%;aspect-ratio:auto;border-radius:0}.slider-controls{position:absolute;inset:0;pointer-events:none;display:flex;align-items:center;justify-content:space-between;padding:0 12px}.slider-prev,.slider-next{pointer-events:auto;width:42px;height:42px;border:1px solid var(--border);border-radius:50%;background:rgba(17,19,24,.78);color:var(--text);font-size:24px}.slider-dots{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:8px}.slider-dot{width:9px;height:9px;min-width:9px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.38)}.slider-dot.is-active{background:var(--brand)}.venue-card{overflow:hidden}.venue-card .media{border-radius:0}.venue-copy{padding:16px}.venue-copy p{margin:0;color:var(--muted)}.tag{display:inline-flex;color:var(--gold);font-size:12px;border:1px solid rgba(215,168,75,.26);border-radius:999px;padding:3px 8px;margin-bottom:8px}.notice{border-left:3px solid var(--brand);background:#171b24;padding:16px 18px;border-radius:0 10px 10px 0;color:var(--body)}.list-clean{padding:0;margin:0;list-style:none}.list-clean li{padding:12px 0;border-bottom:1px solid var(--border)}.list-clean li:last-child{border-bottom:0}.stateless-table{width:100%;border-collapse:collapse}.stateless-table th,.stateless-table td{text-align:left;padding:12px;border-bottom:1px solid var(--border);vertical-align:top}.stateless-table th{color:var(--text);font-weight:700}.site-footer{background:#0d0f13;border-top:1px solid var(--border);padding:36px 0 24px;margin-top:24px}.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px}.footer-grid h2{font-size:15px;margin-bottom:10px}.footer-grid a{display:flex;align-items:center;min-height:38px;color:var(--muted);font-size:14px}.footer-grid a:hover{color:var(--text)}.footer-brand p{color:var(--muted);font-size:14px;max-width:360px;margin-top:14px}.footer-bottom{border-top:1px solid var(--border);margin-top:26px;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:1px solid var(--border);border-radius:50%;background:var(--panel2);color:var(--text);z-index:9000;opacity:0;pointer-events:none;transform:translateY(10px);transition:.2s}.back-top.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
@media(max-width:1080px){.main-nav a{padding-left:9px;padding-right:9px}.desktop-header{gap:16px}.cards-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){.desktop-header,.channel-strip{display:none}.mobile-header{display:grid}.site-header{height:64px}.shell{width:min(calc(100% - 28px),var(--shell))}.hero,.hero.compact{padding-top:34px}.page-grid{grid-template-columns:1fr;padding-top:16px}.side-stack{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.split{grid-template-columns:1fr}.cards-3{grid-template-columns:1fr}.slide{height:180px}main{padding-bottom:82px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;height:64px;background:#101319;border-top:1px solid var(--border);display:grid;grid-template-columns:repeat(4,1fr);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:52px;color:var(--muted);font-size:13px}.mobile-bottom .bottom-register{color:var(--brand);font-weight:800}.back-top{bottom:82px}}
@media(max-width:640px){body{font-size:16px}.shell{width:min(calc(100% - 24px),var(--shell))}h1{font-size:30px}.lead{font-size:17px}.content-card{padding:20px}.cards-2,.cards-4,.side-stack,.footer-grid{grid-template-columns:1fr}.slide{height:160px}.slider-prev,.slider-next{width:38px;height:38px}.section{padding:16px 0}.section-title{align-items:start;flex-direction:column}.footer-bottom{flex-direction:column}.brand-text small{display:none}.mobile-header{grid-template-columns:68px minmax(0,1fr) 68px;padding-left:8px;padding-right:8px}.mobile-brand{font-size:15px;max-width:100%}.mobile-register{min-width:64px;padding:0 12px}.mobile-brand .brand-logo{width:30px;height:30px}.venue-card .media-4x5{max-height:260px;aspect-ratio:4/5;margin:auto}}
@media(max-width:380px){.mobile-header{grid-template-columns:60px minmax(0,1fr) 60px;gap:4px}.mobile-register{min-width:58px;padding:0 10px}.mobile-brand strong{font-size:14px}.mobile-brand .brand-logo{width:28px;height:28px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}