*{box-sizing:border-box}
: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)}
html{scroll-behavior:smooth;overflow-x:hidden}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;min-height:40px}img{max-width:100%;height:auto}button{font:inherit}.container{width:min(1200px,calc(100% - 36px));margin:0 auto}.site-header{position:sticky;top:0;z-index:1000;background:var(--nav);border-bottom:1px solid var(--line)}.desktop-header{height:74px;display:flex;align-items:center;gap:24px}.brand{display:inline-flex;align-items:center;gap:10px;min-width:180px}.brand-logo{width:42px;height:42px;object-fit:contain;border-radius:10px}.logo-fallback{width:42px;height:42px;border-radius:10px;display:grid;place-items:center;background:#20242f;color:var(--accent);font-weight:800;border:1px solid var(--line)}.brand-text{display:flex;flex-direction:column;line-height:1.2}.brand-text strong{color:var(--text);font-size:18px}.brand-text small{color:var(--muted);font-size:11px;letter-spacing:.08em}.main-nav{flex:1;display:flex;align-items:stretch;justify-content:center;height:74px;white-space:nowrap}.main-nav a{display:flex;align-items:center;padding:0 13px;color:var(--muted);border-bottom:2px solid transparent;font-weight:650}.main-nav a:hover{color:var(--text)}.main-nav a.active{color:var(--text);border-bottom-color:var(--accent)}.register-btn{height:42px;min-width:84px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:#fff;border-radius:999px;font-weight:800}.register-btn:hover{background:var(--accent2)}.channel-bar{border-top:1px solid var(--line);background:#13161d}.channel-links{min-height:40px;display:flex;align-items:center;gap:18px;color:var(--muted);font-size:14px;overflow:hidden}.channel-links span{color:var(--gold);font-weight:700}.mobile-header,.mobile-bottom-nav{display:none}.site-main{min-height:60vh}.page-shell{padding:42px 0 72px}.page-head{margin-bottom:24px}.eyebrow{color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.08em}.page-head h1{margin:6px 0 10px;color:var(--text);font-size:clamp(32px,4vw,42px);line-height:1.18}.page-head p{margin:0;color:var(--muted);max-width:820px}.section{margin-top:28px;padding:24px;border:1px solid var(--line);background:var(--panel);border-radius:14px}.section h2,.section h3{color:var(--text);line-height:1.35;margin-top:0}.section h2{font-size:24px}.section h3{font-size:19px}.section p{margin:10px 0}.text-link{color:#ffd2c9;text-decoration:underline;text-underline-offset:4px;text-decoration-color:rgba(244,81,50,.55)}.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:var(--panel2);border:1px solid var(--line);border-radius:12px;padding:18px;min-width:0}.card h3{margin:0 0 8px;color:var(--text)}.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;background:linear-gradient(135deg,#12151c,#1c212b)}.media-placeholder:after{content:"";width:38%;height:2px;background:rgba(255,255,255,.08)}.hero-carousel{width:100%;overflow-x:auto;display:flex;scroll-snap-type:x mandatory;scrollbar-width:none;border-radius:14px}.hero-carousel::-webkit-scrollbar{display:none}.hero-slide{flex:0 0 100%;scroll-snap-align:start}.hero-slide .media{height:260px;aspect-ratio:auto}.link-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.link-row a{display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;border:1px solid var(--line);background:#151922;color:var(--text)}.note{border-left:3px solid var(--gold);padding:12px 14px;background:#161a22;border-radius:0 10px 10px 0}.qa{display:grid;gap:12px}.qa-item{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--panel2)}.qa-item h3{margin:0 0 6px;font-size:18px}.qa-item p{margin:0}.site-footer{background:#0d0f13;border-top:1px solid var(--line);padding:42px 0 22px}.footer-grid{display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:28px}.footer-grid h2{color:var(--text);font-size:16px;margin:0 0 12px}.footer-grid>div>a:not(.brand){display:block;color:var(--muted);padding:3px 0}.footer-brand p{color:var(--muted);max-width:360px}.footer-bottom{margin-top:28px;padding-top:18px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;color:var(--muted);font-size:14px}.footer-bottom p{margin:0}.back-top{position:fixed;right:22px;bottom:22px;width:44px;height:44px;border:1px solid var(--line);border-radius:50%;background:#1a1e27;color:var(--text);opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;z-index:900}.back-top.show{opacity:1;pointer-events:auto;transform:none}
.mobile-drawer,.drawer-mask{display:none}
@media(max-width:980px){.desktop-header{display:none}.mobile-header{height:64px;display:grid;grid-template-columns:72px minmax(0,1fr) 88px;align-items:center;padding:0 14px;gap:6px}.mobile-brand{justify-self:center;display:flex;align-items:center;gap:8px;min-width:0}.mobile-brand .brand-logo,.mobile-brand .logo-fallback{width:34px;height:34px;flex:0 0 34px}.mobile-brand strong{font-size:17px;color:var(--text);white-space:nowrap}.menu-toggle{width:44px;height:44px;border:0;background:transparent;display:grid;place-content:center;gap:5px;cursor:pointer}.menu-toggle span{display:block;width:22px;height:2px;background:var(--text);border-radius:3px}.mobile-register{justify-self:end;height:40px;min-width:72px;padding:0 16px}.channel-bar{display:none}.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:18px}.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 var(--line)}.drawer-head .brand{min-width:0}.drawer-close{width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#1c2029;color:var(--text);font-size:28px;line-height:1}.drawer-group{padding:14px 0;border-bottom:1px solid var(--line)}.drawer-group h2{font-size:13px;color:var(--gold);margin:0 0 6px}.drawer-group a{display:flex;align-items:center;min-height:44px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.page-shell{padding-top:28px;padding-bottom:92px}.back-top{bottom:76px}.hero-slide .media{height:220px}.mobile-bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:1000;display:grid;grid-template-columns:repeat(4,1fr);background:#14171d;border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom-nav a{min-height:56px;display:grid;place-items:center;color:var(--muted);font-size:14px}.mobile-bottom-nav a.accent{color:var(--accent);font-weight:800}}
@media(max-width:680px){.container{width:min(100% - 24px,1200px)}.page-head h1{font-size:30px}.section{padding:18px;margin-top:20px}.grid-2,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}.hero-slide .media{height:170px}.media-4x5{max-height:260px}.media-4x5>img{object-fit:contain}.footer-bottom{flex-direction:column}.brand{min-width:0}}
@media(max-width:390px){.mobile-header{grid-template-columns:62px minmax(0,1fr) 78px;padding:0 10px}.mobile-register{min-width:68px;padding:0 13px}.mobile-brand strong{font-size:16px}.mobile-brand{gap:6px}}