*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#111318}
body{margin:0;background:#111318;color:#D5D8DF;font-family:system-ui,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.75;overflow-x:hidden}
a{color:inherit;text-decoration:none;touch-action:manipulation}
img{max-width:100%}
button{font:inherit}
body.drawer-open{overflow:hidden}
.shell{width:min(1200px,calc(100% - 40px));margin:0 auto;max-width:100%}
.site-header{position:sticky;top:0;z-index:1000;background:#151820;border-bottom:1px solid rgba(255,255,255,.09)}
.desktop-bar{height:72px;display:flex;align-items:center;gap:26px}
.brand{display:inline-flex;align-items:center;gap:10px;min-width:max-content}
.brand-logo,.mobile-brand img,.drawer-brand img{width:40px;height:40px;object-fit:contain;display:block}
.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:10px;background:#222733;color:#F45132;font-weight:800;border:1px solid rgba(255,255,255,.09)}
.brand-text{display:flex;flex-direction:column;line-height:1.15;color:#F7F8FA}
.brand-text strong{font-size:18px;letter-spacing:.04em}.brand-text small{margin-top:4px;color:#AEB4C0;font-size:10px;letter-spacing:.12em}
.main-nav{display:flex;align-items:stretch;justify-content:center;gap:4px;flex:1;height:72px;min-width:0}
.main-nav a{position:relative;display:flex;align-items:center;justify-content:center;min-width:52px;padding:0 10px;color:#AEB4C0;font-weight:650;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#F7F8FA}.main-nav a.active:after{content:"";position:absolute;left:12px;right:12px;bottom:0;height:2px;background:#F45132}
.register-btn{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 20px;border-radius:999px;background:#F45132;color:#fff;font-weight:800;white-space:nowrap;transition:background .2s ease,transform .2s ease}
.register-btn:hover{background:#FF684E;transform:translateY(-1px)}
.channel-bar{background:#12151c;border-top:1px solid rgba(255,255,255,.05)}
.channel-inner{min-height:38px;display:flex;align-items:center;gap:18px;font-size:14px;color:#AEB4C0}
.channel-inner span{color:#7f8795}.channel-inner a:hover{color:#F7F8FA}
.mobile-topbar{display:none}.mobile-bottom{display:none}
.site-main{min-height:65vh}
.page-hero{padding:48px 0 26px;border-bottom:1px solid rgba(255,255,255,.07);background:linear-gradient(180deg,#151820 0%,#111318 100%)}
.page-hero .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#D7A84B;font-size:13px;font-weight:800;letter-spacing:.08em;text-transform:uppercase}.page-hero .eyebrow:before{content:"";width:24px;height:2px;background:#F45132}
h1{margin:10px 0 12px;color:#F7F8FA;font-size:clamp(32px,4vw,42px);line-height:1.2;letter-spacing:-.02em}
.lead{max-width:860px;margin:0;color:#AEB4C0;font-size:17px}
.content-wrap{padding:34px 0 64px}
.content-section{margin:0 0 30px;padding:26px;border:1px solid rgba(255,255,255,.09);background:#1A1E27;border-radius:14px}
.content-section.alt{background:#161a22}
.content-section h2{margin:0 0 12px;color:#F7F8FA;font-size:24px;line-height:1.35}.content-section h3{margin:0 0 8px;color:#F7F8FA;font-size:18px}
.content-section p{margin:0 0 14px}.content-section p:last-child{margin-bottom:0}
.text-link{color:#F7F8FA;border-bottom:1px solid #F45132;padding-bottom:2px}.text-link:hover{color:#FF684E}
.link-row{display:flex;flex-wrap:wrap;gap:10px 16px;margin-top:18px}.link-row a{min-height:40px;display:inline-flex;align-items:center;color:#F7F8FA;border-bottom:1px solid rgba(244,81,50,.65)}
.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{min-width:0;padding:20px;border:1px solid rgba(255,255,255,.09);background:#1A1E27;border-radius:12px}.card h3{color:#F7F8FA;margin:0 0 8px}.card p{margin:0;color:#C7CBD4}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:10px;background:#12151c;aspect-ratio:16/9;border:1px solid rgba(255,255,255,.08)}
.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-app{aspect-ratio:4/5;max-width:520px;margin:0 auto}.media-placeholder{width:100%;height:100%;background:linear-gradient(135deg,#171b24,#101218)}
.feature-media{margin:0 0 20px}.media-caption{margin:10px 0 0;color:#AEB4C0;font-size:14px}
.home-intro{padding-top:28px}.home-carousel{overflow:hidden;padding:0}.carousel-track{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:8px;scrollbar-width:thin;scrollbar-color:#3b414f #151820}.carousel-slide{flex:0 0 min(100%,980px);scroll-snap-align:center}.home-carousel .media{height:clamp(220px,24vw,300px);aspect-ratio:auto;border-radius:0}
.home-section{padding:30px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}.section-head h2{margin:0;color:#F7F8FA;font-size:27px}.section-head p{margin:0;color:#AEB4C0;max-width:640px}
.venue-card .media{margin-bottom:12px}.venue-card p{font-size:14px;line-height:1.7}.venue-card strong{display:block;color:#F7F8FA;margin-bottom:4px}
.qna{display:grid;gap:14px}.qna article{padding:18px 20px;border-left:2px solid #F45132;background:#171b23}.qna h3{margin:0 0 6px;color:#F7F8FA;font-size:17px}.qna p{margin:0}
.article-list{display:grid;gap:16px}.article-list article{padding:20px;border:1px solid rgba(255,255,255,.09);background:#171b23;border-radius:12px}.article-list h2,.article-list h3{margin:0 0 8px;color:#F7F8FA}
.notice{padding:18px 20px;background:#171b23;border:1px solid rgba(215,168,75,.28);border-radius:12px;color:#D9D0BC}
.site-footer{background:#0d0f14;border-top:1px solid rgba(255,255,255,.09);padding:42px 0 26px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:30px}.footer-grid h3{color:#F7F8FA;font-size:15px;margin:0 0 12px}.footer-grid>div>a:not(.brand){display:block;min-height:40px;line-height:40px;color:#AEB4C0}.footer-grid>div>a:hover{color:#F7F8FA}.footer-brand p{color:#8f97a5;font-size:14px;max-width:320px}.footer-bottom{margin-top:26px;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:20px;color:#8f97a5;font-size:13px}.footer-bottom p{margin:0}
.back-top{position:fixed;right:20px;bottom:22px;width:44px;height:44px;border:1px solid rgba(255,255,255,.12);border-radius:50%;background:#1A1E27;color:#F7F8FA;z-index:1050;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s}.back-top.show{opacity:1;pointer-events:auto;transform:none}
.mobile-drawer,
.drawer-mask{display:none}
@media(max-width:980px){
.desktop-bar,.channel-bar{display:none}.mobile-topbar{height:62px;padding:0 14px;display:grid;grid-template-columns:52px minmax(0,1fr) 72px;align-items:center;gap:8px;background:#151820}.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;cursor:pointer}.menu-toggle span{display:block;width:22px;height:2px;background:#F7F8FA;border-radius:2px}.mobile-brand{display:flex;align-items:center;justify-content:center;gap:8px;min-width:0;color:#F7F8FA}.mobile-brand img,.mobile-brand .logo-placeholder{width:34px;height:34px;flex:0 0 auto}.mobile-brand strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.mobile-register{min-height:40px;padding:0 14px;justify-self:end}
.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;overflow-y:auto;padding:16px}
.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{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.09)}.drawer-brand{display:flex;align-items:center;gap:10px;font-weight:800}.drawer-brand img,.drawer-brand .logo-placeholder{width:36px;height:36px}.drawer-close{width:44px;height:44px;border:0;background:transparent;color:#F7F8FA;font-size:28px;line-height:1;cursor:pointer}.drawer-group{padding:18px 0 10px;border-bottom:1px solid rgba(255,255,255,.08)}.drawer-group strong{display:block;color:#D7A84B;font-size:13px;margin-bottom:8px}.drawer-group a{display:flex;align-items:center;min-height:44px;color:#D5D8DF;border-radius:8px;padding:0 8px}.drawer-group a:hover{background:#222733;color:#fff}
.shell{width:min(100% - 28px,1200px)}.page-hero{padding:32px 0 20px}h1{font-size:clamp(28px,8vw,32px)}.lead{font-size:16px}.content-wrap{padding:24px 0 92px}.content-section{padding:20px;margin-bottom:20px}.content-section h2{font-size:21px}.grid-4,.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.home-carousel .media{height:clamp(140px,44vw,180px)}.carousel-slide{flex-basis:100%}.home-section{padding:24px 0}.section-head{align-items:start;flex-direction:column;gap:6px}.section-head h2{font-size:23px}.media-4x5{max-height:260px}.media-4x5>img{object-fit:contain}
.site-footer{padding-bottom:92px}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand{grid-column:1/-1}.footer-bottom{flex-direction:column}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:66px;display:grid;grid-template-columns:repeat(4,1fr);background:#151820;border-top:1px solid rgba(255,255,255,.1);z-index:1000;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:40px;color:#C7CBD4;font-size:14px}.mobile-bottom .accent{color:#F45132;font-weight:800}.back-top{right:14px;bottom:82px}
}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.content-section{border-radius:12px}.footer-grid{grid-template-columns:1fr}.home-carousel{margin-left:-14px;margin-right:-14px}.home-carousel .media{border-left:0;border-right:0}.brand-text small{display:none}}
@media(max-width:390px){.mobile-topbar{grid-template-columns:46px minmax(0,1fr) 66px;padding:0 10px;gap:6px}.mobile-register{padding:0 12px}.mobile-brand{gap:6px}.mobile-brand img,.mobile-brand .logo-placeholder{width:30px;height:30px}.mobile-brand strong{font-size:15px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}