:root{--bg:#111318;--nav:#151820;--panel:#1A1E27;--panel2:#222733;--primary:#F45132;--primaryHover:#FF684E;--gold:#D7A84B;--text:#F7F8FA;--body:#D5D8DF;--muted:#AEB4C0;--border:rgba(255,255,255,.09);--wrap:1200px}
*{box-sizing:border-box}
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}
a{color:inherit;text-decoration:none;touch-action:manipulation}
a:hover{color:#fff}
img,svg,video{max-width:100%}
button{font:inherit}
.wrap{width:min(calc(100% - 36px),var(--wrap));margin:0 auto}
.site-header{position:sticky;top:0;z-index:1000;background:var(--nav);border-bottom:1px solid var(--border)}
.desktop-bar{height:72px;display:flex;align-items:center;gap:22px;white-space:nowrap}
.brand{display:flex;align-items:center;gap:10px;min-width:max-content}
.brand-logo{width:42px;height:42px;object-fit:contain;border-radius:10px;display:block}
.placeholder-logo{background:linear-gradient(135deg,#252b36,#151820);border:1px solid var(--border)}
.brand-text{display:flex;flex-direction:column;line-height:1.1}.brand-text strong{color:var(--text);font-size:19px}.brand-text small{color:var(--muted);font-size:10px;letter-spacing:.12em;margin-top:4px}
.main-nav{flex:1;display:flex;justify-content:center;align-items:stretch;height:72px;min-width:0}
.main-nav a{height:72px;display:flex;align-items:center;padding:0 13px;color:var(--muted);position:relative;font-weight:650}
.main-nav a:hover{color:var(--text)}.main-nav a.active{color:#fff}.main-nav a.active:after{content:"";position:absolute;left:13px;right:13px;bottom:0;height:3px;background:var(--primary);border-radius:3px 3px 0 0}
.register-btn{height:42px;min-width:84px;padding:0 20px;border-radius:999px;background:var(--primary);color:#fff!important;display:inline-flex;align-items:center;justify-content:center;font-weight:800;box-shadow:0 6px 18px rgba(244,81,50,.18)}
.register-btn:hover{background:var(--primaryHover)}
.channel-strip{background:#12151c;border-top:1px solid rgba(255,255,255,.05)}
.channel-links{height:38px;display:flex;align-items:center;gap:24px;color:var(--muted);font-size:13px}.channel-links a:hover{color:#fff}
.mobile-bar{display:none}
.mobile-drawer,.drawer-mask{display:none}
.site-main{min-height:60vh}
.page-hero{padding:52px 0 30px;border-bottom:1px solid var(--border);background:radial-gradient(circle at 80% 20%,rgba(244,81,50,.07),transparent 32%),linear-gradient(180deg,#151820 0,#111318 100%)}
.page-hero .kicker{color:var(--gold);font-weight:800;letter-spacing:.08em;font-size:13px}.page-hero h1{margin:8px 0 12px;color:var(--text);font-size:clamp(32px,4vw,42px);line-height:1.18;letter-spacing:-.02em}.page-hero p{margin:0;max-width:820px;color:var(--muted);font-size:17px}
.content-wrap{padding:34px 0 58px}.section{margin:0 0 28px}.section-card{background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:24px}.section h2{color:var(--text);font-size:24px;line-height:1.3;margin:0 0 12px}.section h3{color:var(--text);font-size:18px;margin:20px 0 8px}.section p{margin:0 0 13px}.section p:last-child{margin-bottom:0}.section ul{margin:10px 0 0;padding-left:20px}.section li{margin:6px 0}.inline-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.inline-links a,.text-link{color:#fff;border-bottom:1px solid var(--primary);padding-bottom:1px}.inline-links a:hover,.text-link:hover{color:var(--primaryHover)}
.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;background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:20px}.card h2,.card h3{margin-top:0}.card .eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:.06em}
.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{background:linear-gradient(135deg,#171b23,#0f1218 60%,#1e2430)}.media-placeholder:after{content:"";position:absolute;inset:12%;border:1px dashed rgba(255,255,255,.12);border-radius:8px}
.figure-caption{color:var(--muted);font-size:14px;margin-top:10px}.split{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:24px;align-items:start}.split.reverse{grid-template-columns:minmax(300px,.9fr) minmax(0,1.1fr)}
.hero-slider{position:relative;margin:28px auto 34px;width:min(calc(100% - 36px),var(--wrap));height:260px;border-radius:16px;overflow:hidden;background:#0e1117;border:1px solid var(--border)}.slide{display:none;width:100%;height:100%}.slide.active{display:block}.slide .media{height:100%;aspect-ratio:auto;border-radius:0}.slider-prev,.slider-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,.72);color:#fff;cursor:pointer}.slider-prev{left:14px}.slider-next{right:14px}.slider-prev:hover,.slider-next:hover{background:rgba(34,39,51,.95)}.slider-dots{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);display:flex;gap:8px}.slider-dot{width:10px;height:10px;padding:0;border:0;border-radius:50%;background:rgba(255,255,255,.36);cursor:pointer}.slider-dot.active{background:var(--primary)}
.venue-card .media{margin-bottom:14px}.venue-card h3{margin:0 0 8px}.venue-card p{margin:0;color:var(--muted)}
.list-table{display:grid;gap:10px}.list-row{display:grid;grid-template-columns:150px 1fr;gap:16px;padding:14px 16px;border-radius:10px;background:var(--panel);border:1px solid var(--border)}.list-row strong{color:var(--text)}
.faq-list{display:grid;gap:12px}.faq-item{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px}.faq-item h2,.faq-item h3{font-size:18px;margin:0 0 8px;color:var(--text)}.faq-item p{margin:0}
.notice{border-left:3px solid var(--gold);background:rgba(215,168,75,.08);padding:16px 18px;border-radius:0 10px 10px 0;color:var(--body)}
.site-footer{background:#0c0e12;border-top:1px solid var(--border);padding:38px 0 90px}.footer-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}.footer-grid h2{font-size:16px;color:var(--text);margin:0 0 12px}.footer-grid a{display:block;color:var(--muted);min-height:34px}.footer-grid a:hover{color:#fff}.footer-bottom{border-top:1px solid var(--border);margin-top:24px;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(--panel2);color:#fff;opacity:0;pointer-events:none;transition:.2s;z-index:900}.back-top.show{opacity:1;pointer-events:auto}.drawer-open{overflow:hidden}
@media(max-width:980px){
  .desktop-bar{display:none}.channel-strip{display:none}.mobile-bar{display:grid;grid-template-columns:52px minmax(0,1fr) 78px;align-items:center;height:62px;padding:0 12px;gap:8px}.menu-btn{width:44px;height:44px;border:0;background:transparent;padding:10px;display:flex;flex-direction:column;justify-content:center;gap:5px}.menu-btn span{display:block;width:22px;height:2px;background:#fff;border-radius:2px}.mobile-brand{min-width:0;display:flex;align-items:center;justify-content:center;gap:8px;color:#fff;font-size:17px;font-weight:800}.mobile-brand .brand-logo{width:34px;height:34px}.mobile-brand strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mobile-register{height:40px;min-width:72px;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-bottom:24px}
  .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:66px;padding:0 14px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}.drawer-head .brand-logo{width:36px;height:36px}.drawer-close{width:44px;height:44px;border:0;background:transparent;color:#fff;font-size:30px;line-height:1}.drawer-group{padding:16px 14px 4px}.drawer-group strong{display:block;color:var(--gold);font-size:13px;margin-bottom:6px}.drawer-group a{display:flex;align-items:center;min-height:44px;border-bottom:1px solid rgba(255,255,255,.06);color:var(--body)}
  .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}.page-hero{padding:34px 0 24px}.page-hero h1{font-size:min(32px,8.5vw)}.page-hero p{font-size:16px}.hero-slider{height:170px;margin-top:18px}.site-main{padding-bottom:72px}.site-footer{padding-bottom:94px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:64px;display:grid;grid-template-columns:repeat(4,1fr);background:#101319;border-top:1px solid var(--border);z-index:1000;padding-bottom:env(safe-area-inset-bottom)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:44px;color:var(--muted);font-size:14px}.mobile-bottom a.accent{color:var(--primary);font-weight:800}.back-top{bottom:78px}
}
@media(max-width:680px){.wrap{width:min(calc(100% - 28px),var(--wrap))}.content-wrap{padding-top:24px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.section-card,.card{padding:18px}.section h2{font-size:21px}.hero-slider{width:min(calc(100% - 28px),var(--wrap));height:160px}.slider-prev,.slider-next{width:38px;height:38px}.list-row{grid-template-columns:1fr;gap:4px}.footer-grid{grid-template-columns:1fr;gap:20px}.footer-bottom{flex-direction:column}.media-4x5{max-height:260px;aspect-ratio:4/5;margin-inline:auto}.media-4x5 img{object-fit:contain}}
@media(max-width:390px){.mobile-bar{grid-template-columns:48px minmax(0,1fr) 70px;padding:0 8px}.mobile-brand strong{font-size:15px}.mobile-register{min-width:66px;padding:0 11px}.hero-slider{height:150px}}

/* 新版阅读卡片 */
.topic-band{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-top:16px}.topic-chip{background:linear-gradient(180deg,#202530,#171b23);border:1px solid var(--border);border-radius:12px;padding:16px}.topic-chip strong{display:block;color:var(--text);margin-bottom:5px}.topic-chip span{color:var(--muted);font-size:14px}.accent-line{height:2px;width:48px;background:var(--primary);border-radius:2px;margin:10px 0 16px}.compact-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.compact-list article{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:18px}.compact-list h3{margin-top:0}.stateless-note{font-size:14px;color:var(--muted);border-top:1px solid var(--border);padding-top:12px;margin-top:14px}
@media(max-width:680px){.topic-band,.compact-list{grid-template-columns:1fr}}