:root{--bg:#0e1014;--canvas:#13161b;--panel:#16191f;--panel-2:#1c2027;--raised:#22272f;--hover:#ffffff0b;--press:#ffffff14;--line:#23272f;--line-2:#2e343e;--line-3:#3b4250;--text:#e3e6ec;--text-2:#b8bfcb;--muted:#8a92a1;--faint:#626a79;--accent:#ffb020;--accent-hover:#ffc04d;--accent-dim:#ffb02021;--accent-ink:#1a1407;--blue:#6ea0ff;--blue-dim:#6ea0ff21;--green:#4cc38a;--green-dim:#4cc38a1f;--red:#f26d6d;--red-dim:#f26d6d1a;--violet:#c9b3ff;--focus:#7aa7ff;--focus-ring:0 0 0 2px var(--bg), 0 0 0 4px #7aa7ffbf;--sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--fs-2xs:10.5px;--fs-xs:11px;--fs-sm:12px;--fs-md:13px;--fs-lg:15px;--fs-xl:18px;--fw-medium:550;--fw-semibold:650;--r-xs:3px;--r-sm:4px;--radius:6px;--r-lg:10px;--r-xl:14px;--shadow-1:0 1px 2px #00000059;--shadow-2:0 8px 24px #0006, 0 1px 0 #ffffff08 inset;--shadow-3:0 24px 64px #0000008c, 0 1px 0 #ffffff0a inset;--dur-1:.12s;--dur-2:.18s;--ease:cubic-bezier(.2, .8, .2, 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10px}.share-banner-btn:hover{background:var(--hover);border-color:#5a6476}.share-banner-btn.is-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink);font-weight:var(--fw-semibold)}.share-banner-btn.is-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover)}@keyframes share-banner-in{0%{opacity:0;transform:translateY(-4px)}}.quality-toggle{letter-spacing:.02em;cursor:pointer;min-width:46px;font-size:11px}.quality-toggle.is-interactive{color:var(--muted,#8b93a3)}.quality-toggle.is-poster{color:var(--accent,#ffb020)}.walk-layer{pointer-events:none;z-index:2;display:none;position:absolute;inset:0}.walk-layer.is-on{display:block}.viewport-body canvas.is-walking{cursor:crosshair}.viewport-body canvas.is-walking:active{cursor:grabbing}.walk-crosshair{width:6px;height:6px;transition:transform var(--dur-2) var(--ease), background var(--dur-2) var(--ease);background:#ffffffd9;border-radius:50%;margin:-3px 0 0 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