:root{color:#29231d;font-family:Avenir Next,Segoe UI,Microsoft YaHei,sans-serif;font-synthesis:none;--ink: #29231d;--ivory: #f4eee6;--oak: #8f6540;--bronze: #886b43;--glass: rgba(245, 238, 228, .88)}*{box-sizing:border-box}html,body,#app-shell{width:100%;height:100%;margin:0;overflow:hidden}body{background:#d9e3e8}#dom-overlay{position:fixed;inset:0;z-index:4;pointer-events:none}#dom-overlay button,.museum-header,.help-panel{pointer-events:auto}body.is-vr #museum-header,body.is-vr #help-panel,body.is-vr #crosshair,body.is-vr .a-enter-vr{display:none!important}a-scene{width:100%!important;height:100%!important}.a-enter-vr{right:22px!important;bottom:22px!important}.a-enter-vr-button{width:54px!important;height:54px!important;border:1px solid rgba(255,255,255,.75)!important;border-radius:50%!important;background-color:#2a231cd6!important;box-shadow:0 12px 35px #221b1540}.loading-screen{position:fixed;inset:0;z-index:20;display:grid;place-content:center;justify-items:center;text-align:center;padding:32px;color:var(--ink);background:#ebe2d6;transition:opacity .7s ease,visibility .7s ease}.loading-screen.is-hidden{opacity:0;visibility:hidden;pointer-events:none}.loading-mark{width:46px;height:46px;margin-bottom:24px;border:1px solid var(--bronze);transform:rotate(45deg);animation:breathe 1.8s ease-in-out infinite}@keyframes breathe{50%{transform:rotate(45deg) scale(.72);opacity:.45}}.loading-screen h1{margin:7px 0 10px;font-family:Georgia,"Noto Serif SC",serif;font-size:clamp(30px,4vw,54px);font-weight:400}.loading-screen p{margin:0;color:#776858}.eyebrow{margin:0;color:var(--bronze);font-size:10px;letter-spacing:.25em;font-weight:700}.loading-track{width:min(300px,70vw);height:2px;margin-top:26px;overflow:hidden;background:#57433126}.loading-track span{display:block;width:12%;height:100%;background:var(--bronze);transition:width .35s ease}.museum-header{position:fixed;z-index:5;top:22px;left:24px;display:flex;gap:28px;align-items:flex-start;padding:15px 16px 14px 18px;border:1px solid rgba(112,86,60,.16);background:var(--glass);backdrop-filter:blur(14px);box-shadow:0 12px 36px #372a1f14;transition:opacity .25s ease}.museum-header h1{margin:4px 0 2px;font-family:Georgia,"Noto Serif SC",serif;font-size:20px;font-weight:400}.museum-header #room-title{margin:0;color:#796a5b;font-size:12px}.quiet-button,.close-button{border:0;color:#5e4b39;background:transparent;cursor:pointer;font:inherit}.quiet-button{padding:6px 0;border-bottom:1px solid #a99177;font-size:12px}.help-panel{position:fixed;z-index:7;top:22px;right:22px;width:min(340px,calc(100vw - 44px));padding:26px 28px;border:1px solid rgba(112,86,60,.16);background:#f6f0e8f5;box-shadow:0 18px 54px #372a1f26;transition:opacity .25s ease,transform .25s ease}.help-panel h2{margin:6px 0 18px;font-family:Georgia,"Noto Serif SC",serif;font-size:28px;font-weight:400}.help-panel dl{margin:0}.help-panel dl div{padding:13px 0;border-top:1px solid rgba(112,86,60,.15)}.help-panel dt{margin-bottom:4px;color:#6e5135;font-weight:700}.help-panel dd{margin:0;color:#74695e;font-size:13px;line-height:1.65}.close-button{position:absolute;top:10px;right:12px;font-size:24px}.is-hidden{opacity:0!important;pointer-events:none!important}.help-panel.is-hidden{transform:translateY(-8px)}.toast{position:fixed;z-index:8;left:50%;bottom:28px;transform:translate(-50%);max-width:min(520px,calc(100vw - 40px));padding:12px 17px;color:#fffaf2;background:#30271fe0;border:1px solid rgba(255,255,255,.14);backdrop-filter:blur(10px);font-size:13px;letter-spacing:.02em;transition:opacity .25s ease}#crosshair{position:fixed;z-index:4;left:50%;top:50%;width:6px;height:6px;margin:-3px 0 0 -3px;border:1px solid rgba(40,32,25,.8);border-radius:50%;box-shadow:0 0 0 2px #ffffff85;pointer-events:none}@media(max-width:700px){.museum-header{top:12px;left:12px;right:12px;justify-content:space-between}.museum-header h1{font-size:17px}.help-panel{top:12px;right:12px}}