.sk[data-astro-cid-rscfn2zr]{--pink:#d1039e;--pink-d:#a80280;--violet:#7c3aed;--violet-d:#6d28d9;--indigo:#4f46e5;--indigo-d:#4338ca;--teal:#0891b2;--teal-d:#0e7490;--blue:#2563eb;--green:#059669;--amber:#d97706;--rose:#e11d48;--ink:#0f172a;--muted:#5b6472;--line:#e6e8f0;--sidew:280px;display:grid;grid-template-columns:var(--sidew) minmax(0,1fr);align-items:start}.sk-toggle[data-astro-cid-rscfn2zr],.sk-overlay[data-astro-cid-rscfn2zr]{display:none}.sk-side[data-astro-cid-rscfn2zr]{position:sticky;top:0;align-self:start;height:100dvh;overflow-y:auto;overscroll-behavior:contain;border-right:1px solid var(--line);background:#fff;padding:18px 14px 16px;display:flex;flex-direction:column}.sk-brand[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);padding:2px 6px}.sk-brand-mark[data-astro-cid-rscfn2zr]{width:34px;height:34px;border-radius:10px;flex-shrink:0;background:linear-gradient(135deg,var(--violet),var(--indigo));color:#fff;display:flex;align-items:center;justify-content:center;font-size:.95rem}.sk-brand-txt[data-astro-cid-rscfn2zr]{font-size:1.02rem;font-weight:700;letter-spacing:-.01em}.sk-brand-txt[data-astro-cid-rscfn2zr] b[data-astro-cid-rscfn2zr]{font-weight:800;color:var(--violet-d)}.sk-classbar[data-astro-cid-rscfn2zr]{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:14px 6px 6px}.sk-classbar-now[data-astro-cid-rscfn2zr]{font-size:.74rem;font-weight:800;color:var(--indigo-d);background:#4f46e517;border-radius:8px;padding:5px 10px;display:inline-flex;align-items:center;gap:6px}.sk-classbar-all[data-astro-cid-rscfn2zr]{font-size:.72rem;font-weight:700;color:#94a3b8;text-decoration:none}.sk-classbar-all[data-astro-cid-rscfn2zr]:hover{color:var(--violet)}.sk-nav[data-astro-cid-rscfn2zr]{display:flex;flex-direction:column;gap:3px;flex:1;margin-top:10px}.sk-home[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:9px;padding:9px 10px;border-radius:9px;text-decoration:none;color:#3f4756;font-size:.9rem;font-weight:700}.sk-home[data-astro-cid-rscfn2zr] i[data-astro-cid-rscfn2zr]{color:#94a3b8;width:16px;text-align:center}.sk-home[data-astro-cid-rscfn2zr]:hover{background:#f5f7fb;color:var(--ink)}.sk-home[data-astro-cid-rscfn2zr].active{background:linear-gradient(90deg,#7c3aed1a,#4f46e50f);color:var(--violet-d)}.sk-home[data-astro-cid-rscfn2zr].active i[data-astro-cid-rscfn2zr]{color:var(--violet)}.sk-sub[data-astro-cid-rscfn2zr]{margin-top:5px}.sk-sum[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:9px;cursor:pointer;list-style:none;user-select:none}.sk-sum[data-astro-cid-rscfn2zr]::-webkit-details-marker{display:none}.sk-sum[data-astro-cid-rscfn2zr]:hover{background:#f5f7fb}.sk-sum-ic[data-astro-cid-rscfn2zr]{width:26px;height:26px;flex-shrink:0;border-radius:7px;display:flex;align-items:center;justify-content:center;font-size:.78rem;color:#fff}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-violet{background:linear-gradient(135deg,#8b5cf6,#7c3aed)}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-green{background:linear-gradient(135deg,#10b981,#059669)}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-blue{background:linear-gradient(135deg,#3b82f6,#2563eb)}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-amber{background:linear-gradient(135deg,#f59e0b,#d97706)}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-pink{background:linear-gradient(135deg,#ec4899,#d1039e)}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-teal{background:linear-gradient(135deg,#06b6d4,#0891b2)}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-indigo{background:linear-gradient(135deg,#6366f1,#4f46e5)}.sk-sum-ic[data-astro-cid-rscfn2zr].tint-rose{background:linear-gradient(135deg,#fb7185,#e11d48)}.sk-sum-name[data-astro-cid-rscfn2zr]{flex:1;min-width:0;font-size:.9rem;font-weight:800;color:var(--ink)}.sk-chev[data-astro-cid-rscfn2zr]{color:#cbd5e1;font-size:.72rem;transition:transform .18s}.sk-sub[data-astro-cid-rscfn2zr][open]>.sk-sum[data-astro-cid-rscfn2zr]>.sk-chev[data-astro-cid-rscfn2zr]{transform:rotate(90deg)}.sk-sub-body[data-astro-cid-rscfn2zr]{padding:4px 0 9px 11px;margin-left:14px;border-left:1.5px solid #eef1f6;display:flex;flex-direction:column;gap:2px}.sk-chap-link[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:7px;padding:7px 9px;border-radius:8px;text-decoration:none;color:#4b5563;font-size:.84rem;font-weight:600;line-height:1.35}.sk-chap-txt[data-astro-cid-rscfn2zr]{flex:1;min-width:0}.sk-chap-link[data-astro-cid-rscfn2zr]:hover{background:#f5f7fb;color:var(--ink)}.sk-chap-link[data-astro-cid-rscfn2zr].active{background:linear-gradient(90deg,#7c3aed1f,#4f46e50f);color:var(--violet-d);font-weight:700}.sk-tag[data-astro-cid-rscfn2zr]{font-size:.58rem;font-weight:800;letter-spacing:.03em;text-transform:uppercase;color:#94a3b8;background:#f1f5f9;padding:2px 6px;border-radius:50px;flex-shrink:0}.sk-res[data-astro-cid-rscfn2zr]{display:flex;flex-direction:column;gap:2px;margin:3px 0 8px 8px;padding-left:10px;border-left:1.5px solid #eef1f6}.sk-res-link[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:8px;padding:6px 9px;border-radius:7px;text-decoration:none;color:#64748b;font-size:.78rem;font-weight:600}.sk-res-link[data-astro-cid-rscfn2zr] i[data-astro-cid-rscfn2zr]{width:14px;text-align:center;color:#94a3b8;font-size:.85em}.sk-res-link[data-astro-cid-rscfn2zr]:hover{background:#f5f7fb;color:var(--violet-d)}.sk-res-link[data-astro-cid-rscfn2zr]:hover i[data-astro-cid-rscfn2zr]{color:var(--violet)}.sk-res-link[data-astro-cid-rscfn2zr].soon{color:#b6becb;cursor:default}.sk-res-link[data-astro-cid-rscfn2zr].soon em[data-astro-cid-rscfn2zr]{margin-left:auto;font-style:normal;font-size:.64rem;font-weight:800;text-transform:uppercase;letter-spacing:.03em;color:#c3cad8}.sk-sub-all[data-astro-cid-rscfn2zr]{display:inline-flex;align-items:center;gap:6px;margin-top:4px;padding:5px 9px;font-size:.76rem;font-weight:700;color:var(--indigo-d);text-decoration:none}.sk-sub-all[data-astro-cid-rscfn2zr] i[data-astro-cid-rscfn2zr]{font-size:.8em}.sk-sub-all[data-astro-cid-rscfn2zr]:hover{color:var(--pink-d)}.sk-sub-soon[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:9px;padding:7px 10px;border-radius:9px;margin-top:2px}.sk-sub-soon[data-astro-cid-rscfn2zr] .sk-sum-ic[data-astro-cid-rscfn2zr]{background:#eef1f6;color:#aeb7c5}.sk-sub-soon[data-astro-cid-rscfn2zr] .sk-sum-name[data-astro-cid-rscfn2zr]{font-weight:700;color:#8592a6}.sk-sub[data-astro-cid-rscfn2zr]+.sk-sub-soon[data-astro-cid-rscfn2zr]{margin-top:7px}.sk-soon-pill[data-astro-cid-rscfn2zr]{font-size:.6rem;font-weight:800;text-transform:uppercase;letter-spacing:.04em;color:#94a3b8;background:#f1f5f9;padding:2px 8px;border-radius:50px}.sk-labs[data-astro-cid-rscfn2zr]{margin-top:16px;padding-top:14px;border-top:1px solid var(--line)}.sk-other[data-astro-cid-rscfn2zr]{margin-top:3px}.sk-labs[data-astro-cid-rscfn2zr] .sk-sub-body[data-astro-cid-rscfn2zr]{border-left-color:#eadcf9}.sk-lab[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:8px;padding:6px 9px;border-radius:8px;text-decoration:none;color:#3f4756;font-size:.84rem;font-weight:700}.sk-lab-ic[data-astro-cid-rscfn2zr]{width:24px;height:24px;flex-shrink:0;border-radius:7px;background:#faf5ff;border:1px solid #eadcf9;color:var(--violet-d);display:flex;align-items:center;justify-content:center;font-size:.74rem}.sk-lab[data-astro-cid-rscfn2zr]:hover{background:#f5f7fb;color:var(--ink)}.sk-lab[data-astro-cid-rscfn2zr].active{background:linear-gradient(90deg,#7c3aed1f,#0891b20f);color:var(--violet-d)}.sk-live[data-astro-cid-rscfn2zr]{width:7px;height:7px;border-radius:50%;background:#10b981;flex-shrink:0;box-shadow:0 0 0 3px #10b98126}.sk-class-soon[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:9px;padding:6px 9px;border-radius:8px;text-decoration:none;color:#64748b;font-size:.84rem;font-weight:600}.sk-class-soon[data-astro-cid-rscfn2zr]:hover{background:#f5f7fb}.sk-bundle[data-astro-cid-rscfn2zr]{display:flex;align-items:center;gap:8px;margin-top:14px;font-size:.76rem;font-weight:700;color:var(--pink-d);background:linear-gradient(135deg,#fdf2fb,#f3eefe);border:1px solid #f2d6ec;border-radius:10px;padding:9px 11px;text-decoration:none}.sk-main[data-astro-cid-rscfn2zr]{min-width:0;max-width:1200px}@media(prefers-color-scheme:dark){.sk[data-astro-cid-rscfn2zr]{--line:#242c3a}.sk-side[data-astro-cid-rscfn2zr]{background:#0d121b;border-right-color:#1e2634}.sk-brand[data-astro-cid-rscfn2zr]{color:#eef2f8}.sk-brand-txt[data-astro-cid-rscfn2zr] b[data-astro-cid-rscfn2zr]{color:#c4b5fd}.sk-sum[data-astro-cid-rscfn2zr]:hover,.sk-home[data-astro-cid-rscfn2zr]:hover,.sk-chap-link[data-astro-cid-rscfn2zr]:hover,.sk-res-link[data-astro-cid-rscfn2zr]:hover,.sk-lab[data-astro-cid-rscfn2zr]:hover,.sk-class-soon[data-astro-cid-rscfn2zr]:hover{background:#161d29}.sk-sum-name[data-astro-cid-rscfn2zr],.sk-chap-link[data-astro-cid-rscfn2zr].active,.sk-home[data-astro-cid-rscfn2zr]{color:#eef2f8}.sk-chap-link[data-astro-cid-rscfn2zr],.sk-class-soon[data-astro-cid-rscfn2zr],.sk-home[data-astro-cid-rscfn2zr]{color:#aab4c4}.sk-sub-body[data-astro-cid-rscfn2zr],.sk-res[data-astro-cid-rscfn2zr]{border-left-color:#232b39}.sk-tag[data-astro-cid-rscfn2zr],.sk-soon-pill[data-astro-cid-rscfn2zr]{background:#161d29;color:#8592a6}.sk-sub-soon[data-astro-cid-rscfn2zr] .sk-sum-ic[data-astro-cid-rscfn2zr]{background:#161d29;color:#5b6472}.sk-sub-soon[data-astro-cid-rscfn2zr] .sk-sum-name[data-astro-cid-rscfn2zr]{color:#7a8496}.sk-labs[data-astro-cid-rscfn2zr]{border-top-color:#1e2634}.sk-lab[data-astro-cid-rscfn2zr]{color:#c3cad8}.sk-lab-ic[data-astro-cid-rscfn2zr]{background:#141a24;border-color:#2c2542;color:#c4b5fd}.sk-chap-link[data-astro-cid-rscfn2zr].active,.sk-lab[data-astro-cid-rscfn2zr].active{background:linear-gradient(90deg,#7c3aed33,#4f46e51a);color:#d6c9ff}.sk-classbar-now[data-astro-cid-rscfn2zr]{background:#6366f129;color:#c4b5fd}.sk-bundle[data-astro-cid-rscfn2zr]{background:linear-gradient(135deg,#1a1420,#171326);border-color:#3a2440;color:#f7b8e6}}@media(max-width:900px){.sk[data-astro-cid-rscfn2zr]{grid-template-columns:1fr;max-width:none}.sk-toggle[data-astro-cid-rscfn2zr]{display:inline-flex;align-items:center;gap:8px;margin:14px 16px 0;padding:9px 15px;border:1px solid var(--line);background:#fff;color:var(--ink);font:inherit;font-size:.9rem;font-weight:700;border-radius:10px;cursor:pointer;position:sticky;top:8px;z-index:30;box-shadow:0 2px 8px #0000000d}.sk-side[data-astro-cid-rscfn2zr]{position:fixed;top:0;left:0;bottom:0;height:100dvh;width:300px;max-width:88vw;z-index:60;transform:translate(-102%);transition:transform .22s ease;box-shadow:2px 0 24px #0000002e}.sk-side[data-astro-cid-rscfn2zr].open{transform:translate(0)}.sk-overlay[data-astro-cid-rscfn2zr]{display:block;position:fixed;inset:0;background:#0f172a73;opacity:0;pointer-events:none;transition:opacity .2s;z-index:55}.sk-overlay[data-astro-cid-rscfn2zr].show{opacity:1;pointer-events:auto}}@media(prefers-color-scheme:dark)and (max-width:900px){.sk-toggle[data-astro-cid-rscfn2zr]{background:#141a24;color:#eef2f8}}