:root{font-family:'Malgun Gothic','Segoe UI',sans-serif;color:#152c3d;background:#eef2f4;font-synthesis:none}*{box-sizing:border-box}body{margin:0}button{font:inherit;font-size:14px;cursor:pointer;border:1px solid #d0d9df;background:#fff;color:#183448;border-radius:8px;padding:11px 15px;min-height:44px;transition:background .18s}button:hover{background:#eef4f7}button:focus-visible{outline:3px solid #226db8;outline-offset:3px}button[aria-pressed=true]{background:#173d68;color:#fff;border-color:#173d68}.primary{background:#143f73;color:white;border-color:#143f73;font-weight:700}.primary:hover{background:#1e5795}.quiet{background:transparent}header{height:90px;background:#fff;display:flex;align-items:center;padding:14px 30px;border-bottom:1px solid #dae2e7;gap:20px}.brand{display:flex;align-items:center;gap:18px;margin-right:auto}.brand img{width:130px;height:52px;object-fit:contain}.brand span{font-size:17px;letter-spacing:-.4px;font-weight:700;border-left:1px solid #cbd5de;padding-left:18px}.brand small{display:block;font-size:13px;font-weight:400;margin-top:4px;color:#657685}.preview{font-size:13px;color:#657685}main{display:grid;grid-template-columns:minmax(0,1fr) 338px;min-height:540px}#hall{position:relative;height:calc(100vh - 230px);min-height:530px;overflow:hidden;background:#e7eef2}#scene,#scene canvas{display:block;width:100%;height:100%}#scene canvas{touch-action:none}.scene-heading{position:absolute;left:32px;top:25px;pointer-events:none;max-width:65%}.scene-heading span{font-size:12px;font-weight:700;letter-spacing:3px;color:#6c7d87}.scene-heading h1{font-size:25px;line-height:1.45;margin:8px 0 0;font-weight:500;letter-spacing:-1px;color:#203d4c;text-shadow:0 1px 6px #ffffffb0}#loading{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#fff;padding:16px 24px;border-radius:10px;box-shadow:0 8px 24px #173d6820;white-space:nowrap;font-size:15px}#sceneHint{position:absolute;bottom:84px;left:25px;font-size:12px;color:#536a7b;background:#ffffffd9;padding:6px 10px;border-radius:4px}.tour-controls{position:absolute;bottom:20px;left:24px;right:24px;display:flex;gap:8px;align-items:center;flex-wrap:wrap}#guideBubble{position:absolute;background:#154578;color:#fff;padding:5px 10px;border-radius:10px;font-size:12px;pointer-events:none;display:none;white-space:nowrap}aside{background:#fff;padding:29px 25px 22px;border-left:1px solid #d5e0e7;overflow:auto;max-height:calc(100vh - 230px)}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.4px;color:#9a4b14}h2{font-size:29px;letter-spacing:-1px;margin:10px 0 14px}#description{font-size:16px;line-height:1.8;margin:0 0 24px;color:#4b6172}#viewControls{display:flex;gap:6px;flex-wrap:wrap}#viewControls button{font-size:13px;padding:10px}.guide-note{display:flex;align-items:flex-start;gap:10px;margin:23px 0 18px;padding-top:20px;border-top:1px solid #e2e8ec}.guide-note img{width:65px;height:90px;object-fit:contain}.guide-note div{flex:1}.guide-note span{font-size:13px;color:#215487;font-weight:700}.guide-note p{font-size:14px;line-height:1.75;margin:7px 0 0;color:#324e62}#detailActions{display:flex;flex-direction:column;gap:7px}#detailActions button{text-align:left;display:flex;justify-content:space-between;gap:10px}.source-note{font-size:12px;color:#71808b;line-height:1.7;margin-top:17px}#products{display:flex;gap:9px;align-items:stretch;background:#fff;border-top:1px solid #d6e0e6;padding:15px 26px;overflow-x:auto}#products button{display:flex;align-items:center;gap:10px;min-width:143px;flex:1;text-align:left;padding:8px 12px}#products img{width:37px;height:43px;object-fit:contain;background:#fff;border-radius:3px}#products strong{font-size:14px;white-space:nowrap}#products small{display:block;font-size:12px;font-weight:400;margin-top:3px;opacity:.78}footer{display:flex;justify-content:space-between;gap:15px;padding:10px 28px;font-size:12px;color:#71818d}dialog{border:0;padding:0;width:min(1050px,95vw);max-height:94vh;border-radius:14px;box-shadow:0 20px 70px #061a3860;background:#fff;color:#183448}dialog::backdrop{background:#0b203db3;backdrop-filter:blur(5px)}.dialog-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;gap:15px}.dialog-head span{font-size:12px;color:#647e91}.dialog-head h2{font-size:21px;margin:4px 0 0}dialog video,dialog>img{display:block;width:100%;max-height:65vh;object-fit:contain;background:#edf1f3}dialog [hidden]{display:none}#mediaCaption{font-size:14px;line-height:1.7;padding:0 22px 8px;color:#627586}
@media(max-width:1000px){main{grid-template-columns:minmax(0,1fr) 300px}aside{padding:24px 19px}.scene-heading h1{font-size:21px}#products{padding:12px 15px}header{padding:13px 20px}}@media(max-width:760px){header{height:74px;padding:10px 14px;gap:10px}.brand{gap:10px}.brand img{width:90px;height:41px}.brand span{font-size:14px;padding-left:10px}.brand small,.preview{display:none}header button{font-size:12px;padding:8px 10px}main{display:block}#hall{height:59vh;min-height:420px}.scene-heading{left:18px;top:18px}.scene-heading h1{font-size:20px}.scene-heading span{font-size:10px}aside{max-height:none;overflow:visible;border-left:0;padding:23px 20px}.guide-note{margin:18px 0}.tour-controls{left:15px;right:15px;bottom:16px}.tour-controls button{font-size:13px;padding:10px}#sceneHint{left:15px;bottom:77px;font-size:11px}#products{position:sticky;bottom:0;z-index:3;padding:9px 12px}#products button{min-width:129px}footer{padding:14px 18px;flex-direction:column;line-height:1.6}h2{font-size:26px}#detailActions{display:grid;grid-template-columns:1fr 1fr}#detailActions button{font-size:13px;padding:10px}dialog{width:96vw}.dialog-head{padding:14px}}@media(prefers-reduced-motion:reduce){button{transition:none}}

[hidden]{display:none!important}

/* R02 exhibition demo: architecture is the main surface. */
.scene-heading{top:18px;left:24px;background:#ffffffd9;padding:10px 16px;border-radius:4px;max-width:80%}.scene-heading h1{font-size:19px;margin:5px 0 0}.scene-heading span{font-size:11px;letter-spacing:2px}header{height:76px}.brand img{width:105px;height:50px;object-fit:cover;object-position:center}.wide-view main{grid-template-columns:1fr}.wide-view aside{display:none}.wide-view #hall{height:calc(100vh - 196px);min-height:460px}.tour-controls{background:#ffffffed;border:1px solid #d5dfe6;border-radius:10px;padding:8px;right:auto;max-width:calc(100% - 32px)}#sceneHint{bottom:104px}#products button{min-width:140px}#loading{max-width:90%;white-space:normal;text-align:center}.preview{font-size:12px}#wideView{white-space:nowrap}
@media(max-width:760px){header{height:auto;min-height:70px;flex-wrap:wrap;gap:7px}.brand{gap:5px}.brand img{width:68px;height:32px}.brand span{font-size:13px}#overview,#wideView{min-height:38px;padding:7px;font-size:12px}.scene-heading{left:14px;top:14px;padding:8px 12px}.scene-heading h1{font-size:17px}.wide-view #hall{height:calc(100dvh - 182px);min-height:420px}.tour-controls{bottom:13px;left:12px;max-width:calc(100% - 24px);gap:5px;padding:6px}.tour-controls button{font-size:12px;padding:8px;min-height:40px}#sceneHint{bottom:88px}#products{position:relative}.preview{display:none}}

/* R03 articulated guide controls */
.gesture-controls{position:absolute;bottom:93px;left:24px;display:flex;gap:6px;flex-wrap:wrap;max-width:calc(100% - 48px)}.gesture-controls button{min-height:38px;font-size:13px;padding:8px 12px;background:#fffffff2}.gesture-controls button[aria-pressed=true]{background:#173d68;color:#fff}#guideStatus{position:absolute;bottom:141px;left:26px;color:#274864;font-size:14px;background:#ffffffdb;border-radius:5px;padding:6px 10px;max-width:85%}#sceneHint{display:none}@media(max-width:760px){.gesture-controls{left:12px;bottom:81px;gap:4px;max-width:calc(100% - 24px)}.gesture-controls button{font-size:12px;padding:7px 9px;min-height:34px}#guideStatus{left:14px;bottom:126px;font-size:12px}.scene-heading{max-width:90%}}

#products{display:flex;flex-wrap:wrap;justify-content:center}#products button{min-width:110px;padding:12px}#detailPhoto{max-width:100%;max-height:75vh;object-fit:contain}#detailPhoto[hidden],#detailVideo[hidden]{display:none}header button{cursor:pointer}footer{text-align:center;font-size:13px;padding:10px}#detailActions{margin-top:24px}
#salesActions{margin:22px 0;padding:16px;background:#eef4f8;border-radius:12px}#salesActions h3{margin:0 0 12px;font-size:16px}.sales-buttons{display:flex;gap:8px;flex-wrap:wrap}.sales-buttons button{padding:12px 16px;border:1px solid #aec3d5;border-radius:8px;cursor:pointer;background:white;color:#193f61}#quoteButton{background:#193f61;color:white}#salesActions[hidden]{display:none}#quoteDialog{width:min(560px,90vw);max-height:90vh;padding:22px;border:0;border-radius:14px;color:#193f61}#quoteDialog::backdrop{background:#10203099}#quoteForm{display:grid;gap:12px}#quoteForm label{display:grid;gap:5px;font-size:14px;font-weight:bold}#quoteForm input,#quoteForm textarea{box-sizing:border-box;width:100%;padding:10px;border:1px solid #b9c8d5;border-radius:6px;font:inherit}#quoteStatus{font-size:13px;line-height:1.6}.sales-buttons button[hidden]{display:none}
#products button{white-space:normal;line-height:1.45;min-height:54px}#unitCheck{flex-shrink:0}body{overflow-y:auto}

.home-link{display:inline-flex;align-items:center;padding:10px 12px;border:1px solid #bdcbd7;border-radius:8px;color:#173e68;text-decoration:none;background:white;white-space:nowrap}

/* Keep the complete toolbar legible on laptop and tablet widths. */
@media(min-width:761px){header{height:auto;min-height:76px;flex-wrap:wrap;gap:10px}.brand{flex:1 0 240px}header button{flex-shrink:0;white-space:nowrap}.home-link{flex-shrink:0}}