:root{color-scheme:dark;font-family:Inter,"Microsoft YaHei",system-ui,sans-serif;color:#f3f2ed;background:#101a20;font-synthesis:none;--accent:#e9c18a;--line:#b7c8cc30}
*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a,input{font:inherit}button{cursor:pointer;color:inherit;border:1px solid transparent;background:transparent;min-height:44px;padding:10px 17px;border-radius:8px;font-size:.9rem}button:hover{background:#ffffff10}button:disabled{opacity:.45;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,canvas:focus-visible{outline:2px solid var(--accent);outline-offset:4px}[hidden]{display:none!important}#scene{position:fixed;inset:0;width:100%;height:100%;display:block;touch-action:none}.site-head{position:fixed;top:max(26px,env(safe-area-inset-top));left:32px;right:32px;display:flex;align-items:center;justify-content:space-between;pointer-events:none}.site-head>*{pointer-events:auto}.brand{display:flex;gap:13px;align-items:center;color:inherit;text-decoration:none;font-size:1rem;letter-spacing:.035em}.brand small{display:block;font-size:.65rem;letter-spacing:.17em;color:#b3c0c6;margin-top:5px}.brand-mark{height:45px;width:45px;border:1px solid #e9c18a70;border-radius:12px;display:grid;place-content:center;font:28px Georgia,serif;color:var(--accent);position:relative}.brand-mark>span{font-size:14px;position:absolute;right:6px;top:3px}.icon-button{border:1px solid var(--line);background:#16232aaf;width:44px;padding:0;font-size:20px;border-radius:50%}.exhibit{position:fixed;top:125px;left:36px;pointer-events:none;max-width:360px;text-shadow:0 2px 18px #0005}.eyebrow{font-size:.75rem;letter-spacing:.18em;color:var(--accent);display:flex;align-items:center;gap:10px}.eyebrow i{width:32px;height:1px;background:#e9c18a70}h1{font-size:clamp(27px,3vw,40px);font-weight:500;letter-spacing:-.04em;line-height:1.2;margin:20px 0 12px}.exhibit>p:not(.eyebrow){font-size:.9rem;color:#bac8ce;line-height:1.7;margin-bottom:13px}.model-note{display:inline-block;font-size:.75rem;color:#abbac0;border:1px solid var(--line);border-radius:20px;padding:5px 10px}.collection{position:fixed;right:32px;top:125px;display:grid;gap:8px;width:164px}.collection button{display:grid;grid-template-columns:26px 1fr;text-align:left;gap:5px;background:#132128c9;border:1px solid var(--line);padding:15px 14px;backdrop-filter:blur(10px);border-radius:10px}.collection button>span{grid-row:span 2;font-size:.75rem;color:#8eaaaf;align-self:center}.collection strong{font-size:.95rem;font-weight:500}.collection small{font-size:.75rem;color:#91a9b2}.collection button.selected{border-color:#e9c18a90;background:#263335}.collection button.selected>span{color:var(--accent)}footer{position:fixed;bottom:max(20px,env(safe-area-inset-bottom));left:50%;transform:translateX(-50%);max-width:calc(100vw - 24px);width:max-content}.toolbar{display:flex;align-items:center;gap:7px;padding:8px;border:1px solid var(--line);background:#142128e8;backdrop-filter:blur(16px);border-radius:13px;box-shadow:0 12px 50px #0003}.view-controls{display:flex;gap:3px}.toolbar button{white-space:nowrap}.toolbar .active{background:#ffffff16}.toolbar .primary{background:var(--accent);color:#222d31}.toolbar .primary:disabled{background:#ffffff15;color:#aebfc6;opacity:1}.divider{width:1px;height:24px;background:var(--line);margin:0 6px}#phone{border-color:#e9c18a45}#hint{text-align:center;font-size:.8rem;color:#b5c6ca;margin:13px 0 0;text-shadow:0 1px 12px #000}.loading{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);background:#142128f2;border:1px solid var(--line);padding:28px 32px;border-radius:16px;width:min(340px,85vw);text-align:center;box-shadow:0 15px 80px #0005}.loading h2{font-size:1.05rem;font-weight:500;margin:15px 0}.loader-mark{display:inline-block;width:22px;height:22px;border:1px solid var(--accent);transform:rotate(45deg)}.track{height:3px;background:#ffffff16;border-radius:3px;overflow:hidden;margin-top:20px}#progress{height:100%;background:var(--accent);width:0;transition:width .2s}#load-detail{font-size:.8rem;color:#b5c5ca;line-height:1.7;margin-bottom:0}#retry{margin-top:15px;background:var(--accent);color:#142128}dialog{width:min(570px,calc(100vw - 28px));max-height:85dvh;overflow:auto;background:#16252d;color:#edf1ed;border:1px solid var(--line);border-radius:18px;padding:28px 30px;box-shadow:0 30px 100px #0008}dialog::backdrop{background:#071015ba;backdrop-filter:blur(6px)}dialog h2{font-size:1.55rem;font-weight:500}dialog h3{font-size:1rem;color:var(--accent);margin:26px 0 8px}dialog p{font-size:.95rem;line-height:1.85;color:#c0cdd0}#close-help{position:absolute;right:16px;top:16px}#touch-move{position:fixed;left:22px;bottom:140px;text-align:center}#touch-move button{background:#172a32c9;border:1px solid var(--line);font-size:22px;padding:8px 16px;touch-action:none;margin:2px}#phone-controls{position:fixed;top:max(8px,env(safe-area-inset-top));left:8px;right:8px;display:flex;gap:8px;align-items:center;justify-content:center;z-index:5;background:#101820c9;border:1px solid var(--line);border-radius:9px;padding:3px}#phone-controls button{padding:6px 12px;min-height:38px;font-size:.8rem}#phone-controls label{display:flex;align-items:center;gap:5px;font-size:.8rem}#phone-controls input{width:65px;accent-color:var(--accent)}#sensor-status{font-size:.75rem;color:#d4dadd;max-width:210px}#crosshairs{pointer-events:none;position:fixed;inset:0;display:flex;align-items:center;z-index:3}#crosshairs i{width:50%;text-align:center;font:20px monospace;font-style:normal;color:#fff8}#toast{position:fixed;bottom:115px;left:50%;transform:translateX(-50%);background:#142128f0;border:1px solid var(--line);border-radius:9px;padding:14px 20px;max-width:90vw;font-size:.9rem;z-index:10}.immersive .site-head,.immersive .exhibit,.immersive .collection,.immersive footer,.immersive #touch-move{display:none}.phone .site-head,.phone .exhibit,.phone .collection,.phone footer,.phone #touch-move{display:none}.phone .loading{top:58%}
@media(max-width:760px){.site-head{top:max(17px,env(safe-area-inset-top));left:18px;right:18px}.brand{font-size:.9rem;gap:10px}.brand-mark{width:39px;height:39px}.brand small{font-size:.6rem}.exhibit{top:87px;left:20px;max-width:calc(100vw - 40px)}.eyebrow{font-size:.7rem;margin:6px 0}h1{font-size:27px;margin:12px 0 5px}.exhibit>p:not(.eyebrow){font-size:.8rem;margin:6px 0}.model-note{display:none}.collection{top:auto;bottom:143px;right:auto;left:50%;transform:translateX(-50%);width:min(390px,calc(100vw - 32px));grid-template-columns:repeat(3,1fr);gap:7px}.collection button{padding:10px 11px;display:flex;flex-direction:column;gap:5px}.collection button>span{display:none}.collection strong{font-size:.85rem}.collection small{font-size:.7rem}.toolbar{gap:4px;padding:6px;flex-wrap:wrap;justify-content:center}.toolbar button{padding:10px 11px;font-size:.8rem}.divider{margin:0 1px}.site-head .icon-button{width:38px;min-height:38px}.toolbar .primary{min-width:100px}footer{bottom:max(17px,env(safe-area-inset-bottom))}#hint{font-size:.7rem}#touch-move{bottom:240px;left:15px}#touch-move button{padding:6px 12px;min-height:38px}.phone #sensor-status{position:absolute;top:50px;text-align:center;background:#101820a9;padding:5px 12px;border-radius:15px;max-width:90vw}.phone #phone-controls{gap:2px}.phone #phone-controls button{padding:6px 8px}.phone #phone-controls label{font-size:.7rem}.phone #phone-controls input{width:50px}}
@media(max-height:560px) and (min-width:600px){.exhibit{top:83px}.exhibit h1{font-size:26px}.collection{top:85px;right:20px;left:auto;bottom:auto;transform:none;width:140px;grid-template-columns:1fr}.collection button{display:grid;padding:9px 12px}.collection small{display:none}.exhibit .model-note{display:none}footer{bottom:12px}#hint{margin-top:7px}#touch-move{bottom:110px}.exhibit>p:not(.eyebrow){max-width:200px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important}}