.code-block{background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:14px 16px;font-family:ui-monospace,monospace;font-size:12px;line-height:1.7;overflow-x:auto;color:var(--text-m);margin:10px 0}.cc-table{width:100%;border-collapse:collapse;font-size:13.5px}.cc-table th{text-align:left;padding:8px 10px;color:var(--text-faint);font-weight:600;font-size:12px;border-bottom:1px solid var(--border)}.cc-table td{padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top}.cc-table td.k{font-family:ui-monospace,monospace;font-size:12.5px;color:var(--text-m);font-weight:700;white-space:nowrap}.cc-table td.k.hl{color:var(--danger)}.cc-table td.d{color:var(--text-sub)}.cc-table td.d code{font-family:ui-monospace,monospace;font-size:11.5px;background:var(--hover2);padding:1px 5px;border-radius:4px;color:var(--text-m)}.cc-table td.d b{color:var(--text-m)}.cc-table tr:last-child td{border-bottom:none}.bk-demo{padding:4px 0}.bk-bars{display:flex;align-items:flex-end;gap:8px;height:120px;margin-bottom:14px}.bk-bar{position:relative;background:var(--accent-soft);border:1px solid var(--accent-line);border-radius:6px 6px 0 0;flex:1;transition:all .2s}.bk-bar i{position:absolute;top:-20px;left:50%;transform:translate(-50%);font-style:normal;font-size:9.5px;color:var(--text-faint);white-space:nowrap}.bk-bar em{position:absolute;bottom:-20px;left:50%;transform:translate(-50%);font-style:normal;font-family:ui-monospace,monospace;font-size:10px;color:var(--text-faint)}.bk-bar.cur{background:var(--accent)}.bk-bar.cap{background:var(--amber-soft,#fff7e6);border-color:var(--amber)}.bk-bars{margin-bottom:34px}.bk-ctrl{display:flex;align-items:center;gap:14px;flex-wrap:wrap}.bk-lbl{font-size:12.5px;color:var(--text-sub);font-weight:600}.bk-lbl b{color:var(--accent);font-family:ui-monospace,monospace}.bk-out{font-family:ui-monospace,monospace;font-size:12.5px;color:var(--text-m);font-weight:700;background:var(--hover2);padding:5px 12px;border-radius:7px}input[type=range]{flex:1;min-width:160px;accent-color:var(--accent)}.fb-flow{display:flex;align-items:stretch;gap:8px;flex-wrap:wrap}.fb-step{flex:1;min-width:150px;background:var(--card);border:1px solid var(--border);border-radius:10px;padding:12px 14px}.fb-step b{font-size:12.5px;color:var(--text-m);display:block}.fb-step span{font-size:11px;color:var(--text-faint);display:block;margin-top:4px}.fb-step.hot{border-color:var(--danger);background:#dc26260d}.fb-step.hot b{color:var(--danger)}.fb-arr{align-self:center;font-size:16px;color:var(--text-faint);font-weight:700}.vis-note{margin-top:10px;font-size:12.5px;color:var(--text-sub)}.vis-note b{color:var(--text-m)}.vis-note code{font-family:ui-monospace,monospace;font-size:11.5px;background:var(--hover2);padding:1px 5px;border-radius:4px}.pre-note{margin-top:12px;font-size:12px;color:var(--text-faint);line-height:1.7}.pre-note b{color:var(--text-m)}.pre-note code{font-family:ui-monospace,monospace;font-size:11px;background:var(--hover2);padding:1px 5px;border-radius:4px}.l-card p b{color:var(--text-m)}.l-card p code{font-family:ui-monospace,monospace;font-size:12px;background:var(--hover2);padding:1px 5px;border-radius:4px;color:var(--text-m)}.draw-lab{display:grid;grid-template-columns:auto 1fr;gap:20px;background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px 20px;align-items:center}.draw-stage{display:flex;flex-direction:column;align-items:center;gap:12px}.draw-card{width:110px;height:140px;border-radius:14px;border:2px solid var(--border);background:var(--panel);display:flex;align-items:center;justify-content:center;font-family:ui-monospace,monospace;font-size:26px;font-weight:800;color:var(--text-faint);transition:all .5s cubic-bezier(.4,0,.2,1)}.draw-card.spin{transform:rotateY(180deg) scale(.9);border-color:var(--accent-line)}.draw-card.ok{border-color:var(--success);color:var(--success);background:#16a34a12;transform:none}.draw-card.err{border-color:var(--danger);color:var(--danger);background:#dc26260f;transform:none}.draw-btn{font-family:inherit;font-size:13.5px;font-weight:800;padding:10px 22px;border-radius:10px;border:none;background:var(--accent);color:#fff;cursor:pointer;transition:all .2s}.draw-btn:hover{transform:translateY(-1px);box-shadow:0 4px 14px var(--accent-soft)}.draw-side{display:flex;flex-direction:column;gap:12px}.draw-529bar{display:flex;align-items:center;gap:8px;font-size:11.5px;font-weight:700;color:var(--text-sub)}.draw-529bar i{width:26px;height:10px;border-radius:5px;background:var(--hover2);transition:background .3s}.draw-529bar i.lit{background:var(--danger)}.draw-log{font-size:12.5px;color:var(--text-sub);line-height:1.7;min-height:40px}.draw-log b{color:var(--danger)}.draw-fallback{display:none;font-size:12.5px;font-weight:700;color:var(--amber);background:#d9770614;border:1px solid rgba(217,119,6,.3);border-radius:9px;padding:10px 14px;animation:qqin .35s ease}.draw-fallback.show{display:block}qqin{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}@media(max-width:640px){.draw-lab{grid-template-columns:1fr;justify-items:center}}