:root{font-family:system-ui,-apple-system,Noto Sans TC,sans-serif;color:#293b3b;background:#f5f5f0;font-synthesis:none}*{box-sizing:border-box}body{margin:0}main{max-width:1100px;margin:auto;padding:28px 24px}header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}.eyebrow{font-size:11px;letter-spacing:.15em;margin:0 0 8px;color:#677975}h1{font-size:28px;font-weight:600;margin:0}.badge{border:1px solid #cbd3cc;border-radius:30px;padding:8px 12px;font-size:12px;white-space:nowrap}#stage{position:relative;width:100%;height:clamp(300px,57vh,590px);overflow:hidden;border-radius:14px;background:#e9e9e4}canvas{display:block;width:100%;height:100%}.scene-label{position:absolute;bottom:16px;left:18px;font-size:12px;color:#52645f;pointer-events:none}.scene-label span{color:#687972}.controls{margin-top:20px;padding:20px;background:#fff;border:1px solid #e0e5dd;border-radius:14px}.control-row{display:flex;align-items:center;gap:10px;margin-bottom:22px}button{min-height:44px;padding:10px 23px;border:0;border-radius:8px;background:#315b57;color:#fff;font:inherit;cursor:pointer}button.secondary{background:#edf1eb;color:#3c554f}button:focus-visible,input:focus-visible{outline:3px solid #db9652;outline-offset:3px}output{margin-left:auto;font-size:14px;font-variant-numeric:tabular-nums;white-space:nowrap}label{display:block;font-size:12px;color:#60746c}input[type=range]{width:100%;height:44px;margin:0;accent-color:#315b57;cursor:pointer}.ticks{display:flex;justify-content:space-between;gap:8px;font-size:11px;color:#78877f}footer{display:flex;justify-content:space-between;gap:12px;margin-top:16px;font-size:11px;color:#76847b}#error{position:absolute;padding:24px;color:#8a3434;z-index:1}@media(max-width:540px){main{padding:20px 12px}h1{font-size:24px}.badge{font-size:11px;padding:7px 9px}.controls{padding:14px}.control-row{gap:8px}button{padding:10px 14px}output{font-size:12px}.ticks span:nth-child(2){display:none}.scene-label span{display:none}footer{flex-direction:column;gap:5px}}