.model-section{padding-top:65px}.model-shell{border:1px solid var(--line);border-radius:8px;overflow:hidden;background:#e9ece3}.model-tools{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding:14px 18px;background:#fff;border-bottom:1px solid var(--line)}.model-tools button{border:1px solid var(--line);border-radius:4px;background:#f8f9f5;padding:8px 12px;font-size:12px;cursor:pointer}.model-tools button[aria-pressed=true]{background:#172b25;color:white}.explode-control{margin-left:auto;display:flex;gap:12px;align-items:center;font-size:12px}.explode-control input{width:120px;margin:0}.model-grid{display:grid;grid-template-columns:minmax(0,1fr) 300px}.model-stage{position:relative;min-width:0;height:570px;background:radial-gradient(ellipse at center,#fafbf7,#dce1d5)}#drone-canvas{display:block;width:100%;height:100%;touch-action:none}.model-hint{position:absolute;left:19px;bottom:16px;right:19px;font-size:11px;color:#63705f;pointer-events:none}.model-badge{position:absolute;top:18px;left:19px;font-size:10px;letter-spacing:1.4px;text-transform:uppercase;color:#5b6b55;pointer-events:none}.model-panel{background:#fff;padding:20px;border-left:1px solid var(--line);min-width:0}.model-panel label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:1px;color:var(--muted);margin-bottom:8px}.model-panel select{width:100%;padding:9px;border:1px solid var(--line);border-radius:4px;background:#f7f8f3;color:var(--ink);font-size:12px}.part-preview{height:170px;margin:15px 0;background:#eef1e7;border-radius:5px;position:relative}.part-preview canvas{width:100%;height:100%;display:block;touch-action:none}.part-preview span{position:absolute;bottom:6px;left:10px;font-size:9px;color:#63705f;pointer-events:none}.model-panel h3{font-size:18px;margin-bottom:10px}.model-panel p{font-size:12px;color:var(--muted);margin:0 0 12px}.part-specs{font-size:12px;margin:0}.part-specs div{display:grid;grid-template-columns:1fr 1.2fr;gap:8px;padding:8px 0;border-top:1px solid #e2e7dd}.part-specs dt{color:var(--muted)}.part-specs dd{margin:0;font-weight:600}.model-bottom{display:flex;justify-content:space-between;gap:15px;padding:13px 18px;background:#fff;border-top:1px solid var(--line);font-size:10px;color:var(--muted)}.viewer-error{position:absolute;inset:60px 30px;display:grid;place-content:center;text-align:center;color:#714d12}.model-panel button{margin-top:14px;width:100%;padding:10px;background:var(--dark);color:white;border:0;border-radius:4px;cursor:pointer;font-size:12px}@media(max-width:900px){.model-grid{grid-template-columns:minmax(0,1fr) 265px}.model-stage{height:590px}}@media(max-width:650px){.model-grid{grid-template-columns:1fr}.model-stage{height:390px}.model-panel{border-left:0;border-top:1px solid var(--line)}.model-tools{padding:12px;gap:7px}.model-tools button{padding:7px 9px}.explode-control{width:100%;margin:5px 0 0;justify-content:space-between}.explode-control input{width:60%}.model-panel{display:grid;grid-template-columns:1fr 1fr;gap:0 15px}.model-panel label,.model-panel select,.model-panel h3,.model-panel>p,.part-specs,.model-panel button{grid-column:1/-1}.part-preview{grid-column:1/-1;height:190px}.model-bottom{flex-direction:column;gap:4px}}@media print{.model-tools,.model-hint,.model-panel select,.model-panel label,.model-panel button{display:none}.model-stage{height:360px}.model-grid{grid-template-columns:1fr 240px}.model-panel{padding:15px}.model-shell{break-inside:avoid}}