:root{
  --bg:#121110;--bg2:#1a1917;--line:#2b2926;--text:#ece7df;--muted:#9a948a;--accent:#d9a35b;
  --sans:"PingFang SC","Hiragino Sans GB","Noto Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --mono:ui-monospace,"SF Mono",Menlo,Consolas,monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--text);font:15px/1.7 var(--sans);-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
.muted{color:var(--muted)}
.ph{color:var(--accent)}
.top{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px clamp(16px,4vw,48px);background:rgba(18,17,16,.86);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;font:600 13px/1 var(--mono);letter-spacing:.14em}
.mark{width:14px;height:14px;border:2px solid var(--accent);transform:rotate(45deg)}
.top nav{display:flex;gap:22px;font-size:14px;color:var(--muted)}
.top nav a:hover{color:var(--text)}
.kicker{font:500 12px/1.4 var(--mono);letter-spacing:.12em;color:var(--accent);text-transform:uppercase}
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,5vw,72px);align-items:center;padding:clamp(40px,8vw,96px) clamp(16px,4vw,48px)}
.hero h1{font-size:clamp(34px,5.2vw,64px);line-height:1.12;font-weight:600;letter-spacing:-.01em;margin:16px 0 22px}
.lead{max-width:34em;color:#c9c3b9;font-size:16px}
.stats{list-style:none;display:flex;flex-wrap:wrap;gap:12px 32px;margin-top:32px;color:var(--muted);font-size:13px}
.stats b{display:block;color:var(--text);font-size:20px;font-weight:600}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hero-grid img{aspect-ratio:1;object-fit:cover;border-radius:6px;background:var(--bg2)}
.group{padding:clamp(40px,6vw,72px) clamp(16px,4vw,48px);border-top:1px solid var(--line)}
.ghead{display:grid;grid-template-columns:auto 1fr auto;gap:4px 20px;align-items:baseline;margin-bottom:28px}
.ghead .no{font:500 13px var(--mono);color:var(--accent)}
.ghead h2{font-size:26px;font-weight:600}
.ghead h2 small{font:400 13px var(--mono);color:var(--muted);margin-left:12px;letter-spacing:.08em}
.ghead p{grid-column:2;color:var(--muted);max-width:44em}
.ghead .count{grid-row:1;grid-column:3;color:var(--muted);font-size:13px}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:18px}
.grid.two{grid-template-columns:repeat(auto-fill,minmax(320px,1fr))}
.card{display:block;background:var(--bg2);border:1px solid var(--line);border-radius:8px;overflow:hidden;transition:border-color .2s,transform .2s}
.card:hover{border-color:#4a453e;transform:translateY(-2px)}
.thumb{aspect-ratio:1;overflow:hidden;background:#0c0c0b}
.wide .thumb{aspect-ratio:16/10}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.card:hover .thumb img{transform:scale(1.03)}
.cap{display:flex;align-items:baseline;gap:8px;padding:12px 14px}
.cap .t{font-weight:600}
.cap .en{color:var(--muted);font-size:12px;flex:1;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.cap .n{font:12px var(--mono);color:var(--muted);margin-left:auto}
.card .d{padding:0 14px 14px;color:var(--muted);font-size:13px}
.foot{display:flex;flex-wrap:wrap;gap:8px 32px;padding:32px clamp(16px,4vw,48px) 48px;border-top:1px solid var(--line);font-size:13px}
.foot>div:first-child{font:600 12px var(--mono);letter-spacing:.14em}
/* detail */
.detail{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(300px,1fr);gap:clamp(20px,3vw,40px);padding:clamp(20px,3vw,36px) clamp(16px,4vw,48px)}
.viewer{position:sticky;top:76px;align-self:start}
model-viewer{width:100%;height:min(74vh,720px);background:radial-gradient(circle at 50% 40%,#2a2826,#121110 75%);border-radius:10px;--poster-color:transparent}
.progress{position:absolute;left:0;right:0;bottom:0;height:3px;background:transparent}
.progress span{display:block;height:100%;width:0;background:var(--accent);transition:width .2s}
.progress.done{opacity:0;transition:opacity .6s}
.hint{margin-top:10px;color:var(--muted);font-size:12px;text-align:center}
.info h1{font-size:34px;font-weight:600;line-height:1.2;margin:10px 0 14px}
.info h1 small{display:block;font:400 14px var(--mono);color:var(--muted);letter-spacing:.06em;margin-top:6px}
.desc{color:#cfc9bf}
.spec{display:grid;grid-template-columns:5.5em 1fr;gap:10px 14px;margin:24px 0;padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);font-size:14px}
.spec dt{color:var(--muted)}
.info h3,.renders h3{font-size:13px;font-weight:600;color:var(--muted);letter-spacing:.08em;margin:22px 0 12px}
.maps{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.maps img{aspect-ratio:1;object-fit:cover;border-radius:4px}
.maps figcaption{font-size:11px;color:var(--muted);margin-top:4px;line-height:1.3}
.maps figcaption span{display:block;font-family:var(--mono)}
.pn{display:flex;justify-content:space-between;gap:12px;margin-top:28px;font-size:13px;color:var(--muted)}
.pn a:hover{color:var(--text)}
.renders{grid-column:1/-1}
.rgrid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:12px}
.rgrid img{border-radius:8px;width:100%}
@media (max-width:860px){
  .top nav{display:none}
  .hero,.detail{grid-template-columns:1fr}
  .viewer{position:static}
  model-viewer{height:62vh}
  .ghead{grid-template-columns:auto 1fr}
  .ghead .count{display:none}
  .grid{grid-template-columns:repeat(2,1fr);gap:10px}
  .grid.two{grid-template-columns:1fr}
  .cap{flex-wrap:wrap;gap:2px 8px}
  .cap .en{order:3;flex-basis:100%}
}