.model-viewer-module__wn25pW__root{--mv-bg:#f1f4f8;--mv-panel:#fff;--mv-border:#d3dae4;--mv-text:#16202e;--mv-muted:#5a6a7d;--mv-accent:#0e7c86;--mv-accent-weak:#d5eef1;--mv-viewport:#05070a;--mv-overlay:#e7edf3;border:1px solid var(--mv-border);background:var(--mv-bg);color:var(--mv-text);border-radius:12px;flex-direction:column;gap:10px;padding:10px;display:flex;container-type:inline-size}@media (prefers-color-scheme:dark){.model-viewer-module__wn25pW__root{--mv-bg:#10151c;--mv-panel:#171e28;--mv-border:#2a3644;--mv-text:#e7edf3;--mv-muted:#93a2b5;--mv-accent:#35c9d6;--mv-accent-weak:#12333a;--mv-overlay:#eef3f8}}:root[data-theme=dark] .model-viewer-module__wn25pW__root{--mv-bg:#10151c;--mv-panel:#171e28;--mv-border:#2a3644;--mv-text:#e7edf3;--mv-muted:#93a2b5;--mv-accent:#35c9d6;--mv-accent-weak:#12333a;--mv-overlay:#eef3f8}:root[data-theme=light] .model-viewer-module__wn25pW__root{--mv-bg:#f1f4f8;--mv-panel:#fff;--mv-border:#d3dae4;--mv-text:#16202e;--mv-muted:#5a6a7d;--mv-accent:#0e7c86;--mv-accent-weak:#d5eef1;--mv-overlay:#e7edf3}.model-viewer-module__wn25pW__toolbar{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.model-viewer-module__wn25pW__group{border:1px solid var(--mv-border);background:var(--mv-panel);border-radius:10px;align-items:center;gap:4px;padding:3px;display:flex}.model-viewer-module__wn25pW__btn{min-width:44px;min-height:44px;color:var(--mv-text);font:inherit;cursor:pointer;background:0 0;border:0;border-radius:8px;justify-content:center;align-items:center;padding:0 10px;transition:background-color .14s,color .14s;display:inline-flex}.model-viewer-module__wn25pW__btn:hover{background:var(--mv-accent-weak)}.model-viewer-module__wn25pW__btn:focus-visible{outline:2px solid var(--mv-accent);outline-offset:2px}.model-viewer-module__wn25pW__btn[aria-pressed=true]{background:var(--mv-accent);color:#fff}:root[data-theme=dark] .model-viewer-module__wn25pW__btn[aria-pressed=true]{color:#04181b}.model-viewer-module__wn25pW__presets{border:1px solid var(--mv-border);background:var(--mv-panel);scrollbar-width:thin;border-radius:10px;gap:4px;padding:3px;display:flex;overflow-x:auto}.model-viewer-module__wn25pW__chip{min-height:38px;color:var(--mv-muted);font:inherit;white-space:nowrap;cursor:pointer;background:0 0;border:1px solid #0000;border-radius:8px;flex:none;padding:0 12px;font-size:12px;font-weight:600;transition:background-color .14s,color .14s}.model-viewer-module__wn25pW__chip:hover{color:var(--mv-text);background:var(--mv-accent-weak)}.model-viewer-module__wn25pW__chip:focus-visible{outline:2px solid var(--mv-accent);outline-offset:2px}.model-viewer-module__wn25pW__chip[aria-pressed=true]{color:var(--mv-accent);border-color:var(--mv-accent);background:var(--mv-accent-weak)}.model-viewer-module__wn25pW__chipAction{border-style:dashed;border-color:var(--mv-border);color:var(--mv-accent)}.model-viewer-module__wn25pW__stage{aspect-ratio:4/3;background:var(--mv-viewport);touch-action:none;border-radius:10px;min-height:340px;position:relative;overflow:hidden}.model-viewer-module__wn25pW__stage:focus-visible{outline:2px solid var(--mv-accent);outline-offset:-2px}.model-viewer-module__wn25pW__canvas{width:100%;height:100%;display:block}.model-viewer-module__wn25pW__mode_orbit .model-viewer-module__wn25pW__canvas{cursor:grab}.model-viewer-module__wn25pW__mode_orbit .model-viewer-module__wn25pW__canvas:active{cursor:grabbing}.model-viewer-module__wn25pW__mode_pan .model-viewer-module__wn25pW__canvas{cursor:move}.model-viewer-module__wn25pW__mode_annotate .model-viewer-module__wn25pW__canvas{cursor:crosshair}.model-viewer-module__wn25pW__leaders{pointer-events:none;width:100%;height:100%;color:var(--mv-accent);position:absolute;inset:0}.model-viewer-module__wn25pW__leaders line{stroke:currentColor;stroke-width:1.5px;opacity:.9}.model-viewer-module__wn25pW__label{background:color-mix(in srgb, var(--mv-viewport) 55%, #10151c);border:1px solid color-mix(in srgb, var(--mv-accent) 55%, transparent);max-width:240px;color:var(--mv-overlay);-webkit-user-select:none;user-select:none;border-radius:8px;align-items:center;gap:6px;padding:6px 10px;font-size:13px;line-height:1.35;display:inline-flex;position:absolute;transform:translate(-50%,-100%);box-shadow:0 2px 10px #00000073}.model-viewer-module__wn25pW__labelText{overflow-wrap:anywhere}.model-viewer-module__wn25pW__labelInput{border:0;border-bottom:1px solid var(--mv-accent);min-width:140px;color:inherit;font:inherit;background:0 0}.model-viewer-module__wn25pW__labelInput:focus{outline:none}.model-viewer-module__wn25pW__labelRemove{width:20px;height:20px;color:inherit;cursor:pointer;opacity:.7;background:0 0;border:0;border-radius:50%;place-items:center;font-size:14px;line-height:1;display:inline-grid}.model-viewer-module__wn25pW__labelRemove:hover{opacity:1;background:#b4231866}.model-viewer-module__wn25pW__labelRemove:focus-visible{outline:2px solid var(--mv-accent)}.model-viewer-module__wn25pW__triad{pointer-events:none;width:64px;height:64px;position:absolute;bottom:10px;right:10px}.model-viewer-module__wn25pW__triad line{stroke-width:2px}.model-viewer-module__wn25pW__triad text{fill:var(--mv-overlay);text-anchor:middle;dominant-baseline:middle;font-size:9px}.model-viewer-module__wn25pW__axisX line{stroke:#e2685f}.model-viewer-module__wn25pW__axisY line{stroke:#67c98c}.model-viewer-module__wn25pW__axisZ line{stroke:#5fa8e2}.model-viewer-module__wn25pW__glError{text-align:center;color:#ffb4a8;background:color-mix(in srgb, var(--mv-viewport) 88%, #000);place-items:center;padding:24px;font-size:14px;display:grid;position:absolute;inset:0}.model-viewer-module__wn25pW__hint{pointer-events:none;max-width:60%;color:color-mix(in srgb, var(--mv-overlay) 70%, transparent);text-shadow:0 1px 3px #000000e6;font-size:12px;position:absolute;bottom:10px;left:12px}@media (prefers-reduced-motion:reduce){.model-viewer-module__wn25pW__btn,.model-viewer-module__wn25pW__chip{transition:none}}
.model-viewer-demo-module__mCUxEq__wrap{flex-direction:column;gap:14px;display:flex}.model-viewer-demo-module__mCUxEq__controls{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.model-viewer-demo-module__mCUxEq__file{display:none}.model-viewer-demo-module__mCUxEq__primary,.model-viewer-demo-module__mCUxEq__secondary{min-height:44px;font:inherit;cursor:pointer;border:1px solid var(--color-border,#d3dae4);border-radius:10px;align-items:center;gap:8px;padding:0 16px;font-size:14px;font-weight:600;display:inline-flex}.model-viewer-demo-module__mCUxEq__primary{background:var(--color-accent,#0e7c86);color:#fff;border-color:#0000}.model-viewer-demo-module__mCUxEq__primary:hover{filter:brightness(1.05)}.model-viewer-demo-module__mCUxEq__secondary{color:inherit;background:0 0}.model-viewer-demo-module__mCUxEq__secondary:hover{background:color-mix(in srgb, currentColor 8%, transparent)}.model-viewer-demo-module__mCUxEq__primary:focus-visible,.model-viewer-demo-module__mCUxEq__secondary:focus-visible{outline:2px solid var(--color-accent,#0e7c86);outline-offset:2px}.model-viewer-demo-module__mCUxEq__teacherToggle{border:1px dashed var(--color-border,#d3dae4);cursor:pointer;border-radius:10px;align-items:center;gap:8px;min-height:44px;padding:0 12px;font-size:14px;display:inline-flex}.model-viewer-demo-module__mCUxEq__teacherToggle input{width:18px;height:18px;accent-color:var(--color-accent,#0e7c86)}.model-viewer-demo-module__mCUxEq__source{opacity:.75;font-size:13px}.model-viewer-demo-module__mCUxEq__error{color:#b42318;background:#b4231824;border-radius:10px;margin:0;padding:10px 14px;font-size:14px}:root[data-theme=dark] .model-viewer-demo-module__mCUxEq__error{color:#ffb4a8}.model-viewer-demo-module__mCUxEq__notice{background:#0e7c861f;border-radius:10px;margin:0;padding:10px 14px;font-size:14px}.model-viewer-demo-module__mCUxEq__help{font-size:13px}.model-viewer-demo-module__mCUxEq__help summary{cursor:pointer;padding:6px 0;font-weight:600}.model-viewer-demo-module__mCUxEq__help ul{opacity:.85;gap:4px;margin:8px 0 0;padding-left:18px;display:grid}
.page-module__wBNOPq__page{padding:48px 0 72px}.page-module__wBNOPq__header{gap:12px;max-width:68ch;margin-bottom:28px;display:grid}.page-module__wBNOPq__header h1{text-wrap:balance;margin:0;font-size:clamp(1.75rem,1.2rem + 2vw,2.6rem);line-height:1.15}.page-module__wBNOPq__header p{color:var(--color-text-muted,#5a6a7d);margin:0;line-height:1.6}