.page-header[data-astro-cid-plhneaz7]{border-bottom:1px solid var(--color-border-subtle,#e2e8f0);margin-bottom:2rem;padding-bottom:1.5rem}.header-tags[data-astro-cid-plhneaz7]{align-items:center;gap:.5rem;margin-bottom:.75rem;display:flex}.subject-tag[data-astro-cid-plhneaz7]{text-transform:uppercase;background-color:var(--color-primary,#1464e8);color:#fff;letter-spacing:.04em;border-radius:4px;padding:.2rem .5rem;font-size:.75rem;font-weight:700}.page-title[data-astro-cid-plhneaz7]{color:var(--color-text-main,#0f172a);margin:0 0 .75rem;font-size:1.85rem;font-weight:900;line-height:1.3}.page-lead[data-astro-cid-plhneaz7]{color:var(--color-text-muted,#475569);margin:0 0 1rem;font-size:1.05rem;line-height:1.6}.article-meta[data-astro-cid-plhneaz7]{color:var(--color-text-light,#64748b);align-items:center;gap:.5rem;font-size:.85rem;display:flex}.meta-dot[data-astro-cid-plhneaz7]{color:#cbd5e1}.toc-card[data-astro-cid-plhneaz7]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:8px;margin-bottom:2rem;padding:1.25rem 1.5rem}.toc-title[data-astro-cid-plhneaz7]{color:var(--color-text-main,#0f172a);margin:0 0 .75rem;font-size:1.05rem;font-weight:800}.toc-list[data-astro-cid-plhneaz7]{margin:0;padding-left:1.25rem;font-size:.95rem;line-height:1.7}.toc-list[data-astro-cid-plhneaz7] li[data-astro-cid-plhneaz7] a[data-astro-cid-plhneaz7]{color:var(--color-brand-blue,#1464e8);font-weight:600;text-decoration:none}.toc-list[data-astro-cid-plhneaz7] li[data-astro-cid-plhneaz7] a[data-astro-cid-plhneaz7]:hover{text-decoration:underline}.content-card[data-astro-cid-plhneaz7]{border:1px solid var(--color-border-subtle,#e2e8f0);background:#fff;border-radius:8px;margin-bottom:2rem;padding:1.5rem 1.75rem;box-shadow:0 1px 3px #0f172a0a}.content-card[data-astro-cid-plhneaz7] h2[data-astro-cid-plhneaz7]{color:var(--color-text-main,#0f172a);border-bottom:1px solid #f1f5f9;margin:0 0 1rem;padding-bottom:.5rem;font-size:1.4rem;font-weight:800}.content-card[data-astro-cid-plhneaz7] h3[data-astro-cid-plhneaz7]{color:#1e293b;margin:1.25rem 0 .5rem;font-size:1.15rem;font-weight:700}.content-card[data-astro-cid-plhneaz7] p[data-astro-cid-plhneaz7]{color:#334155;margin:0 0 1rem;line-height:1.65}.content-card[data-astro-cid-plhneaz7] ul[data-astro-cid-plhneaz7],.content-card[data-astro-cid-plhneaz7] ol[data-astro-cid-plhneaz7]{color:#334155;margin:0 0 1rem;padding-left:1.5rem;line-height:1.65}.math-block[data-astro-cid-plhneaz7]{border:1px solid #e2e8f0;border-left:4px solid var(--color-brand-blue,#1464e8);background:#f8fafc;border-radius:6px;margin:1rem 0;padding:1rem 1.25rem;font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace}.math-equation[data-astro-cid-plhneaz7]{color:#0f172a;flex-wrap:wrap;align-items:center;gap:.5rem;font-size:1.1rem;font-weight:700;display:flex}.math-var[data-astro-cid-plhneaz7]{color:#1464e8;font-style:italic;font-weight:700}.math-fraction[data-astro-cid-plhneaz7]{vertical-align:middle;text-align:center;flex-direction:column;margin:0 .25rem;font-size:.95em;display:inline-flex}.frac-num[data-astro-cid-plhneaz7]{border-bottom:1.5px solid;padding-bottom:2px}.frac-denom[data-astro-cid-plhneaz7]{padding-top:2px}.math-legend[data-astro-cid-plhneaz7]{color:#64748b;margin:.25rem 0 1rem;font-size:.85rem}.comparison-grid[data-astro-cid-plhneaz7]{grid-template-columns:1fr 1fr;gap:1.25rem;margin:1.25rem 0;display:grid}@media (width<=640px){.comparison-grid[data-astro-cid-plhneaz7]{grid-template-columns:1fr}}.comp-box[data-astro-cid-plhneaz7]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:6px;padding:1.25rem}.comp-box[data-astro-cid-plhneaz7] h3[data-astro-cid-plhneaz7]{color:#0f172a;margin-top:0;font-size:1.05rem}.math-mini[data-astro-cid-plhneaz7]{background:#fff;border:1px dashed #cbd5e1;border-radius:4px;padding:.75rem;font-family:monospace;font-size:.95rem;line-height:1.5}.note-box[data-astro-cid-plhneaz7]{color:#1e3a8a;background:#eff6ff;border:1px solid #bfdbfe;border-radius:6px;padding:1rem 1.25rem;font-size:.95rem;line-height:1.6}.table-container[data-astro-cid-plhneaz7]{margin:1rem 0;overflow-x:auto}.comparison-table[data-astro-cid-plhneaz7]{border-collapse:collapse;width:100%;font-size:.95rem}.comparison-table[data-astro-cid-plhneaz7] th[data-astro-cid-plhneaz7],.comparison-table[data-astro-cid-plhneaz7] td[data-astro-cid-plhneaz7]{text-align:left;border:1px solid #e2e8f0;padding:10px 14px}.comparison-table[data-astro-cid-plhneaz7] th[data-astro-cid-plhneaz7]{color:#0f172a;background:#f1f5f9;font-weight:700}.comparison-table[data-astro-cid-plhneaz7] tr[data-astro-cid-plhneaz7]:nth-child(2n){background:#f8fafc}.example-params[data-astro-cid-plhneaz7]{color:#334155;background:#f1f5f9;border-radius:4px;margin-bottom:1rem;padding:8px 12px;font-size:.9rem}.btn-calc-cta[data-astro-cid-plhneaz7]{color:#fff;background:linear-gradient(135deg,#1464e8 0%,#123b80 100%);border-radius:9999px;align-items:center;gap:.5rem;padding:12px 24px;font-size:.95rem;font-weight:800;text-decoration:none;display:inline-flex}.btn-calc-cta[data-astro-cid-plhneaz7]:hover{background:#0f53c4;transform:translateY(-1px)}.checklist[data-astro-cid-plhneaz7]{list-style:none;padding-left:0!important}.checklist[data-astro-cid-plhneaz7] li[data-astro-cid-plhneaz7]{background:#f8fafc;border:1px solid #e2e8f0;border-radius:6px;margin-bottom:6px;padding:8px 12px}