:root{--bg:#111318;--nav:#151820;--panel:#1A1E27;--secondary:#222733;--accent:#F45132;--accent-hover:#FF684E;--gold:#D7A84B;--text:#F7F8FA;--body:#D5D8DF;--muted:#AEB4C0;--border:rgba(255,255,255,.09);--max:1200px}
*{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}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none;touch-action:manipulation}
button{font:inherit;touch-action:manipulation}
.container{width:min(var(--max),calc(100% - 40px));margin:0 auto;max-width:100%}
.site-header{position:sticky;top:0;z-index:9000;background:var(--nav);border-bottom:1px solid var(--border)}
.desktop-head{height:74px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:28px}
.brand-lockup,.footer-brand,.drawer-brand{display:inline-flex;align-items:center;gap:10px;min-height:40px}
.logo-box{width:42px;height:42px;border-radius:10px;overflow:hidden;background:#101218;border:1px solid var(--border);display:grid;place-items:center;flex:0 0 auto}
.logo-box.small{width:34px;height:34px;border-radius:8px}
.logo-box img{width:100%;height:100%;object-fit:contain;display:block}
.logo-placeholder{font-weight:800;color:var(--accent);font-size:18px}
.brand-copy,.footer-brand>span:last-child{display:flex;flex-direction:column;line-height:1.1}
.brand-copy strong,.footer-brand strong{color:var(--text);font-size:18px}
.brand-copy small,.footer-brand small{color:var(--muted);font-size:10px;letter-spacing:.12em;margin-top:5px}
.main-nav{height:100%;display:flex;align-items:stretch;justify-content:center;gap:4px;min-width:0}
.main-nav a{display:flex;align-items:center;padding:0 13px;color:var(--muted);font-weight:650;position:relative;white-space:nowrap}
.main-nav a:hover{color:var(--text)}
.main-nav a.active{color:var(--text)}
.main-nav a.active:after{content:"";position:absolute;left:14px;right:14px;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:800;white-space:nowrap;transition:background .2s ease,transform .2s ease}
.register-btn:hover{background:var(--accent-hover);transform:translateY(-1px)}
.mobile-head{display:none}
.channel-bar{background:#12151c;border-bottom:1px solid var(--border)}
.channel-links{min-height:38px;display:flex;align-items:center;justify-content:flex-end;gap:12px;color:var(--muted);font-size:14px}
.channel-links a:hover{color:var(--text)}
.channel-links span{color:var(--gold)}
.site-main{min-height:60vh;padding-bottom:40px}
.hero{padding:54px 0 28px}
.hero.compact{padding:44px 0 18px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--gold);font-size:13px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.eyebrow:before{content:"";width:22px;height:2px;background:var(--accent)}
h1{margin:12px 0 14px;color:var(--text);font-size:clamp(32px,4vw,42px);line-height:1.18;letter-spacing:-.02em}
h2{color:var(--text);font-size:24px;line-height:1.35;margin:0 0 14px}
h3{color:var(--text);font-size:18px;line-height:1.45;margin:0 0 8px}
p{margin:0 0 16px}
.lead{font-size:18px;color:var(--body);max-width:820px}
.section{padding:28px 0}
.section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:18px}
.section-title p{margin:0;max-width:640px;color:var(--muted);font-size:14px}
.panel{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:24px;max-width:100%}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px;min-width:0;max-width:100%}
.card p{color:var(--body)}
.card .text-link,.text-link{color:var(--text);font-weight:800;display:inline-flex;align-items:center;min-height:40px}
.text-link:after{content:"→";margin-left:8px;color:var(--accent)}
.text-link:hover{color:var(--accent-hover)}
.list-clean{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.list-clean li{padding:12px 0;border-bottom:1px solid var(--border)}
.list-clean li:last-child{border-bottom:0}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:10px;background:#12151c;aspect-ratio:16/9;border:1px solid var(--border)}
.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:before{content:"";width:34%;height:2px;background:rgba(244,81,50,.45);box-shadow:0 10px 0 rgba(215,168,75,.2),0 -10px 0 rgba(255,255,255,.07)}
.card-media{margin-bottom:15px}
.split{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.8fr);gap:24px;align-items:center}
.split.reverse{grid-template-columns:minmax(280px,.8fr) minmax(0,1.2fr)}
.split.reverse .media-wrap{order:-1}
.kicker{color:var(--accent);font-weight:800;font-size:14px;margin-bottom:8px}
.note{padding:18px 20px;background:var(--secondary);border-left:3px solid var(--accent);border-radius:0 10px 10px 0;color:var(--body)}
.badge{display:inline-flex;align-items:center;min-height:32px;padding:4px 10px;border-radius:999px;background:rgba(215,168,75,.08);border:1px solid rgba(215,168,75,.25);color:#e4c06e;font-size:13px;font-weight:750}
.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.inline-links a{min-height:40px;display:inline-flex;align-items:center;padding:6px 12px;border-radius:999px;background:var(--secondary);border:1px solid var(--border);color:var(--text)}
.inline-links a:hover{border-color:rgba(244,81,50,.5);color:var(--accent-hover)}
.faq-list{display:grid;gap:14px}
.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}
.faq-item h3{display:flex;gap:10px}
.faq-item h3:before{content:"Q";color:var(--accent);font-weight:900}
.faq-item p{margin:0;color:var(--body)}
.steps{counter-reset:step;display:grid;gap:14px}
.step{counter-increment:step;position:relative;padding:20px 20px 20px 58px;background:var(--panel);border:1px solid var(--border);border-radius:14px}
.step:before{content:counter(step);position:absolute;left:18px;top:19px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:900;line-height:1}
.carousel-shell{padding-top:26px}
.carousel{position:relative;overflow:hidden;border-radius:16px;border:1px solid var(--border);background:#0e1015}
.carousel-stage{height:clamp(220px,23vw,300px);position:relative}
.carousel-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .2s ease}
.carousel-slide.active{opacity:1;pointer-events:auto}
.carousel-slide .media{height:100%;aspect-ratio:auto;border:0;border-radius:0}
.carousel-prev,.carousel-next{position:absolute;top:50%;transform:translateY(-50%);width:42px;height:42px;border:1px solid var(--border);border-radius:50%;background:rgba(17,19,24,.86);color:var(--text);z-index:4;cursor:pointer}
.carousel-prev{left:12px}.carousel-next{right:12px}
.carousel-prev:hover,.carousel-next:hover{background:#1f242e}
.carousel-dots{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:8px;z-index:5}
.carousel-dot{width:10px;height:10px;min-height:10px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.4);cursor:pointer}
.carousel-dot.active{background:var(--accent)}
.venue-card .media{aspect-ratio:4/5}
.venue-card p{font-size:14px;color:var(--muted)}
.site-footer{background:#0d0f14;border-top:1px solid var(--border);padding:44px 0 20px}
.footer-grid{display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px}
.footer-grid>div{min-width:0}
.footer-grid h2{font-size:15px;margin-bottom:12px}
.footer-grid a:not(.footer-brand){display:block;min-height:40px;padding:7px 0;color:var(--muted)}
.footer-grid a:hover{color:var(--text)}
.footer-grid p{font-size:14px;color:var(--muted);max-width:280px;margin-top:14px}
.footer-bottom{border-top:1px solid var(--border);margin-top:30px;padding-top:18px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:13px}
.footer-bottom p{margin:0}
.mobile-bottom{display:none}
.back-top{position:fixed;right:20px;bottom:24px;width:42px;height:42px;border-radius:50%;border:1px solid var(--border);background:var(--secondary);color:var(--text);z-index:8000;opacity:0;pointer-events:none;transform:translateY(8px);transition:.2s;cursor:pointer}
.back-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.mobile-drawer,
.drawer-mask{display:none}
@media(max-width:980px){
  .desktop-head{display:none}
  .mobile-head{height:64px;display:grid;grid-template-columns:76px minmax(0,1fr) 76px;align-items:center;padding:0 14px;gap:8px}
  .menu-btn{width:44px;height:44px;border:0;background:transparent;color:var(--text);display:grid;align-content:center;gap:5px;padding:10px;cursor:pointer}
  .menu-btn span{display:block;width:22px;height:2px;background:currentColor;border-radius:2px}
  .mobile-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-width:0;color:var(--text)}
  .mobile-brand strong{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .mobile-register{height:40px;min-width:68px;padding:0 16px;justify-self:end}
  .channel-links{justify-content:center;overflow-x:auto;white-space:nowrap;padding:0 2px;scrollbar-width:none}
  .channel-links::-webkit-scrollbar{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}
  .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}
  body.drawer-open{overflow:hidden}
  .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;line-height:1;cursor:pointer}
  .drawer-group{padding:16px;border-bottom:1px solid var(--border)}
  .drawer-group h2{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}
  .drawer-group a{display:flex;align-items:center;min-height:44px;color:var(--body);border-radius:8px;padding:4px 8px}
  .drawer-group a:hover{background:var(--secondary);color:var(--text)}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.split.reverse{grid-template-columns:1fr}
  .split.reverse .media-wrap{order:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .site-main{padding-bottom:92px}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:64px;display:grid;grid-template-columns:repeat(4,1fr);background:rgba(21,24,32,.98);border-top:1px solid var(--border);z-index:9000;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;color:var(--muted);font-size:14px;font-weight:750}
  .mobile-bottom a:hover{color:var(--text)}
  .mobile-bottom .accent{color:var(--accent)}
  .back-top{bottom:82px}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,var(--max))}
  .hero{padding:36px 0 20px}.hero.compact{padding:32px 0 14px}
  h1{font-size:clamp(28px,8vw,32px)}
  h2{font-size:22px}
  .lead{font-size:17px}
  .section{padding:22px 0}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .panel,.card,.faq-item,.step{padding:18px}
  .step{padding-left:54px}
  .carousel-stage{height:clamp(140px,43vw,180px)}
  .carousel-prev,.carousel-next{width:38px;height:38px}
  .venue-card .media{max-height:260px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media(max-width:430px){
  .mobile-head{grid-template-columns:68px minmax(0,1fr) 68px;padding:0 10px;gap:4px}
  .mobile-register{min-width:64px;padding:0 12px}
  .mobile-brand{gap:6px;font-size:15px}
  .logo-box.small{width:32px;height:32px}
}
@media(max-width:390px){
  .mobile-head{grid-template-columns:60px minmax(0,1fr) 64px}
  .mobile-brand strong{font-size:14px}
  .menu-btn{width:40px;padding-left:8px}
}
@media(max-width:375px){
  .mobile-head{grid-template-columns:56px minmax(0,1fr) 62px;padding:0 8px}
  .mobile-register{min-width:60px;padding:0 10px}
  .mobile-brand strong{font-size:13px}
}