.zx-lab{--base:#0a0a0f;--subtle:#111118;--card:#16161f;--elevated:#1e1e2a;--overlay:#24242f;--line:#26262f;--text:#f4f4f6;--text2:#a6a6b5;--text3:#70707f;--zx-accent:#7c5cff;--zx-accent-strong:#6344e0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;font-size:13px}.zx-lab .lab-panel-cat{font-size:10px;text-transform:uppercase;letter-spacing:1px;color:var(--text3);margin:14px 4px 6px}.zx-lab .lab-panel-cat:first-child{margin-top:2px}.zx-lab .ctl-card{background:var(--card);border:1px solid var(--line);border-radius:8px;margin-bottom:8px;overflow:hidden}.zx-lab .ctl-card-head{width:100%;text-align:left;background:none;border:none;color:var(--text);font-size:12.5px;font-weight:600;padding:8px 10px;cursor:pointer;display:flex;align-items:center;gap:6px}.zx-lab .ctl-card-head:hover{background:var(--elevated)}.zx-lab .ctl-caret{color:var(--text3);font-size:10px}.zx-lab .ctl-badge{margin-left:auto;font-size:9px;font-weight:600;color:var(--zx-accent);border:1px solid 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#34343f;border-radius:8px;display:flex;align-items:center;justify-content:center}.zx-lab .lab-stage-caption{font-size:11px;color:var(--text3);text-align:center}.zx-lab .lab-explainer{margin:0 22px 22px;border:1px solid var(--line);border-left:3px solid var(--zx-accent);border-radius:8px;background:var(--card);padding:12px 16px;min-height:72px}.zx-lab .lab-explainer-title{font-weight:700;font-size:13px;margin-bottom:4px;color:var(--zx-accent)}.zx-lab .lab-explainer-body{color:var(--text2);line-height:1.45}.zx-lab .lab-explainer-opt{color:var(--text2);line-height:1.4;margin-top:4px}.zx-lab .lab-explainer-opt b{color:var(--text)}.zx-lab .lab-explainer-empty{color:var(--text3);line-height:1.5;padding-top:6px}@media (max-width:900px){.zx-playground-body{flex-direction:column}.zx-playground-side{width:100%;min-width:0;max-height:340px;border-right:none;border-bottom:1px solid var(--line)}}.zxg-article b{color:var(--text-primary);font-weight:600}.zxg-article 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.ng-row-label:hover{color:var(--zx-accent)}.zx-lab .ng-info{font-size:10px;color:var(--text3)}.zx-lab .ng-toggles{display:grid;grid-template-columns:1fr 1fr;gap:8px}.zx-lab .ng-toggle{font-size:11.5px;font-weight:600;padding:8px 10px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--text2);cursor:pointer;text-align:left;transition:border-color .14s,background .14s,color .14s}.zx-lab .ng-toggle:hover{border-color:var(--zx-accent-strong)}.zx-lab .ng-toggle.is-on{background:rgba(124,92,255,.15);border-color:var(--zx-accent);color:#cfc3ff}.ng-figrow{display:grid;grid-template-columns:1fr;gap:18px;margin:20px 0}@media (min-width:640px){.ng-figrow{grid-template-columns:1fr 1fr}}.ng-fig{margin:0;min-width:0}.ng-fig-frame{width:100%;background:var(--bg-card);border:1px solid var(--border-primary);border-radius:12px;overflow:hidden;pointer-events:none}.ng-figcap{font-size:12.5px;color:var(--text-tertiary);margin-top:8px;line-height:1.5}