:root{font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;color:#e6e9e8;background:#111619;font-synthesis:none;color-scheme:dark}*{box-sizing:border-box}body{margin:0}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit;color:inherit;cursor:pointer}button:focus-visible,a:focus-visible,canvas:focus-visible{outline:2px solid #c8e6a0;outline-offset:4px}button{border:1px solid #374043;background:#1e262a;border-radius:6px;padding:10px 14px;font-size:14px}button:hover{background:#303b40}button.active,button.selected{border-color:#b8d991}header{height:84px;border-bottom:1px solid #30383b;display:flex;align-items:center;justify-content:space-between;padding:0 32px;gap:24px}.brand{display:flex;align-items:center;gap:14px;color:inherit;text-decoration:none;font-weight:650;font-size:21px;letter-spacing:2px}.mark{display:grid;place-items:center;font-size:40px;color:#c8e6a0;border:1px solid #748561;width:44px;height:44px;border-radius:9px;line-height:1}.brand-sub{color:#929e9f;font-weight:400;font-size:14px;letter-spacing:1px;border-left:1px solid #536061;margin-left:18px;padding-left:18px}.edition{color:#9ba7a9;font-size:13px;letter-spacing:2px}.edition span{margin:0 14px;color:#5a6565}.quiet{background:transparent;border-color:#485250}.quiet span{margin-left:16px;font-size:21px}main{display:flex;position:relative;height:calc(100dvh - 125px);min-height:580px}.catalog{width:290px;flex-shrink:0;padding:30px 22px 18px;border-right:1px solid #30383b;display:flex;flex-direction:column;overflow:auto}.eyebrow{color:#a6b391;font-size:12px;letter-spacing:2.8px}h1{font-size:28px;font-weight:500;letter-spacing:1px;margin:16px 0 12px}.intro{font-size:14px;line-height:1.8;color:#93a0a2;margin:0 0 28px}.scene-card{padding:0;text-align:left;position:relative;overflow:hidden;flex-shrink:0;background:#20292d}.scene-card img{width:100%;height:125px;object-fit:cover;display:block}.scene-card>span{display:block;padding:13px 14px;font-size:15px}.scene-card small{display:block;font-size:12px;color:#a4aeac;margin-top:6px}.scene-card .arrow{position:absolute;right:0;bottom:17px;color:#c8e6a0}.section-label{display:flex;justify-content:space-between;color:#c3cbcb;font-size:14px;margin:27px 0 16px}.section-label span{color:#8f9f9a;font-size:12px;border:1px solid #46504d;border-radius:4px;padding:1px 6px}#asset-list{display:flex;flex-direction:column;gap:4px;overflow-y:auto;min-height:140px;scrollbar-width:thin;scrollbar-color:#45534f transparent}.asset{display:flex;align-items:center;text-align:left;gap:12px;border:1px solid transparent;background:transparent;padding:11px 9px}.asset.selected{color:#d6efb6;background:#273127}.asset .num{font-size:12px;color:#8f9c96;font-variant-numeric:tabular-nums}.asset .name{flex:1}.asset .kind{font-size:12px;color:#8e9a96}.catalog-foot{padding-top:22px;font-size:12px;line-height:1.8;color:#abb6af}.catalog-foot span{color:#71807d}.viewer{flex:1;position:relative;overflow:hidden;background:radial-gradient(ellipse at 48% 42%,#3c474d,#20292f 72%)}#canvas-wrap{position:absolute;inset:0}canvas{display:block;width:100%;height:100%;touch-action:none}#poster{position:absolute;width:100%;height:100%;object-fit:contain;opacity:.8}.viewer-heading{position:absolute;top:30px;left:32px;pointer-events:none;text-shadow:0 2px 12px #111}.viewer-heading h2{font-size:26px;font-weight:450;letter-spacing:2px;margin:12px 0}.viewer-heading>div{font-size:14px;color:#b4c0c2}.view-controls{position:absolute;top:30px;right:28px;display:flex;background:#192025d9;padding:4px;border-radius:8px;border:1px solid #495254;gap:2px}.view-controls button{background:transparent;border:0;padding:8px 14px;color:#aab6b8}.view-controls .active{background:#c8e6a0;color:#243120}.viewer-bottom{position:absolute;bottom:27px;left:32px;right:28px;display:flex;align-items:center;justify-content:space-between;gap:16px}.gesture{font-size:12px;color:#b3bfc0;text-shadow:0 1px 4px #000}.gesture i{font-style:normal;color:#637579;margin:0 10px}.tools{display:flex;gap:7px}.tools button{background:#172025e8;border-color:#4b595d}.tools button[aria-pressed=true]{color:#d4ecb5;border-color:#c8e6a0}.axis{position:absolute;right:32px;bottom:104px;color:#738b98;font-size:18px;pointer-events:none}.axis span{display:block;text-align:center;font-size:12px;color:#bed38c}.axis b,.axis em{font-size:12px;font-weight:400;font-style:normal;color:#b5a190}#loading{position:absolute;bottom:104px;left:32px;max-width:300px;padding:14px 18px;background:#141d23ed;border:1px solid #52615e;border-radius:8px;font-size:14px}progress{display:block;width:235px;height:4px;accent-color:#c8e6a0;margin-top:12px}#loading[hidden],#reference-panel[hidden],#exit-immersive[hidden]{display:none}footer{height:41px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;font-size:11px;letter-spacing:1.5px;color:#859494;border-top:1px solid #30383b}footer b{font-weight:400;margin:0 12px;color:#536c64}#reference-panel{position:absolute;top:0;right:0;bottom:0;width:min(410px,100%);background:#141d22fa;border-left:1px solid #4d5b5c;z-index:4;padding:24px;overflow:auto;box-shadow:-20px 0 60px #0003}.reference-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.reference-head h2{font-size:20px;font-weight:500}.reference-head button{font-size:23px;padding:3px 11px}#reference-image{width:100%;max-height:57vh;object-fit:contain;background:#0d1317}#photo-picker{display:flex;gap:8px;margin-top:16px}#photo-picker button{padding:3px;flex:1}#photo-picker img{width:100%;height:55px;object-fit:cover;display:block}#reference-panel p{font-size:14px;line-height:1.9;color:#a0acae}body.immersive header,body.immersive .catalog,body.immersive footer{display:none}body.immersive main{height:100dvh;min-height:0}body.immersive .viewer-heading,body.immersive .viewer-bottom,body.immersive .view-controls,body.immersive .axis{display:none}#exit-immersive{position:absolute;right:20px;top:20px;opacity:.45}#exit-immersive:hover{opacity:1}.muted{font-size:14px;color:#8a9a98}#poster[hidden],#retry[hidden]{display:none}#photo-picker button.active{border-color:#c8e6a0}#retry{margin-top:12px}@media(max-width:1100px){.catalog{width:245px;padding:25px 16px}.view-controls{top:auto;bottom:82px;right:24px}.gesture{display:none}.viewer-bottom{justify-content:flex-end}.viewer-heading>div{max-width:240px;line-height:1.8}}@media(max-width:700px){header{height:70px;padding:0 16px}.brand{font-size:18px}.brand-sub,.edition{display:none}.quiet{font-size:12px;padding:8px}main{height:auto;min-height:calc(100dvh - 70px);flex-direction:column}.catalog{order:2;width:100%;height:auto;padding:20px;border-right:0;border-top:1px solid #37423f}.catalog .eyebrow,.catalog h1,.catalog .intro,.catalog-foot{display:none}.scene-card{display:flex;align-items:center}.scene-card img{width:90px;height:62px}.scene-card .arrow{bottom:7px}.section-label{margin:20px 0 12px}#asset-list{max-height:250px;min-height:0;display:grid;grid-template-columns:1fr 1fr}.asset{font-size:13px;gap:7px;padding:10px 5px}.asset .kind{display:none}.viewer{height:64dvh;min-height:460px;flex:auto}.viewer-heading{left:20px;top:24px}.viewer-heading h2{font-size:23px}.viewer-heading>div{font-size:12px}.view-controls{right:16px;bottom:74px}.view-controls button{padding:8px 12px}.viewer-bottom{left:16px;right:16px;bottom:20px}.tools{width:100%;justify-content:center}.tools button{font-size:13px}.axis{display:none}#loading{left:16px;bottom:132px}.viewer-heading .eyebrow{font-size:11px}footer{height:auto;min-height:50px;padding:14px 20px;gap:12px;font-size:10px;flex-wrap:wrap}footer>span:last-child{display:none}body.immersive .viewer{height:100dvh}#reference-panel{position:fixed;top:70px}body.immersive #reference-panel{top:0}}
@media(max-width:700px){.tools button{padding:10px 7px;font-size:12px;white-space:nowrap}.tools{gap:5px}.viewer-heading>div{max-width:300px}}

/* Compact navigation: show every model without a nested scroll area. */
header{height:64px;padding:0 24px}
.mark{width:38px;height:38px;flex-shrink:0}
.brand{font-size:20px;gap:12px}
.quiet{padding:6px 12px}
.catalog{overflow:visible}
#asset-list{overflow:visible;max-height:none;min-height:0;flex-shrink:0}
@media(min-width:701px){
  main{height:auto;min-height:calc(100dvh - 64px);align-items:stretch}
  .catalog{width:332px;padding:14px 16px 12px}
  .catalog h1{font-size:23px;margin:7px 0 6px}
  .catalog .intro{margin:0 0 10px;line-height:1.5}
  .scene-card{display:flex;align-items:center;min-height:66px}
  .scene-card img{width:82px;height:66px;flex-shrink:0}
  .scene-card>span{padding:9px 10px}
  .scene-card small{margin-top:4px}
  .scene-card .arrow{padding:0;right:10px;bottom:23px}
  .section-label{margin:12px 0 8px;align-items:center}
  #asset-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:2px 6px}
  .asset{padding:3px 5px;gap:6px;min-height:28px;line-height:20px;font-size:14px}
  .asset .num{flex-shrink:0;font-size:12px}
  .asset .name{min-width:0;overflow-wrap:anywhere}
  .asset .kind{display:none}
  .catalog-foot{padding-top:12px;line-height:1.5;margin-top:auto}
  .viewer{height:calc(100dvh - 64px);min-height:480px;min-width:0;position:sticky;top:0;align-self:flex-start}
  footer{height:32px;padding:0 24px}
  body.immersive .viewer{height:100dvh;min-height:0}
}
@media(min-width:701px) and (max-width:1100px){
  .catalog{width:300px;padding:14px 12px}
  .catalog h1{font-size:22px}
  .catalog .intro{font-size:14px}
  .asset{gap:4px;padding:4px 3px}
}
@media(max-width:700px){
  header{height:56px;padding:0 16px}
  main{min-height:calc(100dvh - 56px)}
  .catalog{padding:16px}
  #asset-list{gap:3px 8px}
  .asset{padding:7px 5px;line-height:20px;font-size:14px;min-height:36px}
  #reference-panel{top:56px}
  body.immersive #reference-panel{top:0}
}
.asset:disabled{opacity:.45;cursor:progress}
.viewer-heading{padding:12px 16px;background:rgba(17,24,30,.58);border:1px solid rgba(210,230,240,.12);border-radius:8px;backdrop-filter:blur(8px)}