:root{--accent:#3dffa0;--danger:#ff4757;--text:#e8ecf2;--muted:#9aa3b2;--panel:#12161ddb;--hud-text:#171b20;--hud-muted:#3f4752}*{box-sizing:border-box}html,body{height:100%;color:var(--text);-webkit-user-select:none;user-select:none;background:#0e1014;margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;overflow:hidden}#app,#app canvas{position:fixed;inset:0}#boot{z-index:40;color:#171b20;background:#d7dade;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.boot-content{width:min(420px,86vw)}#boot-title{letter-spacing:.04em;margin-bottom:18px;font-size:22px;display:block}.boot-progress{background:#171b2024;border-radius:4px;height:8px;overflow:hidden}#boot-progress-bar{border-radius:inherit;transform-origin:0;background:#16794f;width:100%;height:100%;transition:transform .18s 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var(--text);outline-offset:4px}.model-viewer-screen{-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;display:block;overflow:hidden}.model-viewer-stage,#app .model-viewer-stage canvas{width:100%;height:100%;position:absolute;inset:0}.model-viewer-stage{pointer-events:none}.model-viewer-heading{top:max(28px, env(safe-area-inset-top));z-index:1;text-align:center;text-shadow:0 2px 18px #000000e6;width:min(680px,100vw - 160px);position:absolute;left:50%;transform:translate(-50%)}.model-viewer-heading h1{letter-spacing:.02em;margin:0;font-size:clamp(26px,4vw,44px);line-height:1.1}.model-viewer-heading p{color:var(--muted);font-variant-numeric:tabular-nums;margin:8px 0 0;font-size:13px}.model-nav,.model-viewer-back,.model-color{z-index:2;color:var(--text);cursor:pointer;background:#0e1014b8;border:1px solid #ffffff38;position:absolute;box-shadow:0 10px 32px 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var(--text);outline-offset:3px}.model-nav:hover,.model-viewer-back:hover{background:#1f252ee6}.model-nav:focus-visible,.model-viewer-back:focus-visible,.model-color:focus-visible{outline:3px solid var(--accent);outline-offset:4px}.model-colors.hidden{display:none}@media (max-width:600px){.model-nav{width:48px;height:48px}.model-nav-prev{left:12px}.model-nav-next{right:12px}.model-viewer-heading{width:calc(100vw - 120px)}.model-viewer-back{padding:10px 14px;font-size:13px;bottom:14px;left:14px}.model-colors{bottom:14px;right:14px}.model-colors>span{margin-bottom:8px}#model-color-list{gap:7px}.model-color{width:30px;height:30px}}