[data-astro-cid-42l26kiy],[data-astro-cid-42l26kiy]:before,[data-astro-cid-42l26kiy]:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #fff;--fg: #0a0a0a;--fg-muted: #525252;--border: #e5e5e5;--accent: #0070f3}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--fg);-webkit-font-smoothing:antialiased}.nav[data-astro-cid-42l26kiy]{position:sticky;top:0;z-index:100;background:#ffffffe6;backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}.nav-logo[data-astro-cid-42l26kiy]{font-size:18px;font-weight:700;color:var(--fg);text-decoration:none}.nav-logo[data-astro-cid-42l26kiy] span[data-astro-cid-42l26kiy]{color:var(--accent)}.nav-links[data-astro-cid-42l26kiy]{display:flex;gap:20px;align-items:center;font-size:14px}.nav-links[data-astro-cid-42l26kiy] a[data-astro-cid-42l26kiy]{color:var(--fg-muted);text-decoration:none}.nav-links[data-astro-cid-42l26kiy] a[data-astro-cid-42l26kiy]:hover{color:var(--fg)}.btn-primary-nav[data-astro-cid-42l26kiy]{background:var(--accent);color:#fff!important;padding:7px 14px;border-radius:6px;font-weight:600}article[data-astro-cid-42l26kiy]{max-width:720px;margin:0 auto;padding:56px 24px 96px}.breadcrumb[data-astro-cid-42l26kiy]{font-size:13px;color:var(--fg-muted);margin-bottom:32px}.breadcrumb[data-astro-cid-42l26kiy] a[data-astro-cid-42l26kiy]{color:var(--accent);text-decoration:none}.post-meta[data-astro-cid-42l26kiy]{display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:12px;color:var(--fg-muted);margin-bottom:16px}.post-category[data-astro-cid-42l26kiy]{background:#0070f314;color:var(--accent);padding:2px 8px;border-radius:4px;font-weight:600}h1[data-astro-cid-42l26kiy]{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-.8px;line-height:1.2;margin-bottom:24px}.lead[data-astro-cid-42l26kiy]{font-size:18px;color:var(--fg-muted);line-height:1.7;margin-bottom:28px}.toc[data-astro-cid-42l26kiy]{background:#f9fafb;border:1px solid var(--border);border-radius:10px;padding:18px 22px;margin:0 0 36px}.toc[data-astro-cid-42l26kiy] strong[data-astro-cid-42l26kiy]{display:block;font-size:13px;text-transform:uppercase;letter-spacing:.06em;color:var(--fg-muted);margin-bottom:8px}.toc[data-astro-cid-42l26kiy] ol[data-astro-cid-42l26kiy]{margin:0}.toc[data-astro-cid-42l26kiy] li[data-astro-cid-42l26kiy]{font-size:15px;margin-bottom:2px}.toc[data-astro-cid-42l26kiy] a[data-astro-cid-42l26kiy]{color:var(--accent);text-decoration:none}h2[data-astro-cid-42l26kiy]{font-size:24px;font-weight:700;letter-spacing:-.3px;margin:44px 0 12px;scroll-margin-top:80px}h3[data-astro-cid-42l26kiy]{font-size:18px;font-weight:700;margin:28px 0 8px}p[data-astro-cid-42l26kiy]{font-size:16px;line-height:1.8;color:#1a1a1a;margin-bottom:16px}ul[data-astro-cid-42l26kiy],ol[data-astro-cid-42l26kiy]{padding-left:24px;margin-bottom:16px}li[data-astro-cid-42l26kiy]{font-size:16px;line-height:1.8;color:#1a1a1a;margin-bottom:6px}a[data-astro-cid-42l26kiy]{color:var(--accent)}.formula[data-astro-cid-42l26kiy]{font-family:JetBrains Mono,ui-monospace,monospace;background:#0a0a0a;color:#ededed;border-radius:10px;padding:16px 20px;font-size:14px;line-height:1.7;margin:16px 0 20px;overflow-x:auto}.table-wrap[data-astro-cid-42l26kiy]{overflow-x:auto;margin:16px 0 24px}table[data-astro-cid-42l26kiy]{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}th[data-astro-cid-42l26kiy],td[data-astro-cid-42l26kiy]{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border);vertical-align:top;line-height:1.5}th[data-astro-cid-42l26kiy]{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--fg-muted);background:#f9fafb}td[data-astro-cid-42l26kiy].num{font-variant-numeric:tabular-nums;white-space:nowrap}.callout[data-astro-cid-42l26kiy]{background:#0070f30d;border-left:3px solid var(--accent);padding:16px 20px;border-radius:0 8px 8px 0;margin:24px 0}.callout[data-astro-cid-42l26kiy] p[data-astro-cid-42l26kiy]{margin:0;color:var(--fg)}.checklist[data-astro-cid-42l26kiy] li[data-astro-cid-42l26kiy]{list-style:none;margin-left:-24px;padding-left:28px;position:relative}.checklist[data-astro-cid-42l26kiy] li[data-astro-cid-42l26kiy]:before{content:"☐";position:absolute;left:0;color:var(--accent)}.faq-item[data-astro-cid-42l26kiy]{border-top:1px solid var(--border);padding:18px 0}.faq-item[data-astro-cid-42l26kiy] h3[data-astro-cid-42l26kiy]{margin:0 0 6px;font-size:17px}.faq-item[data-astro-cid-42l26kiy] p[data-astro-cid-42l26kiy]{margin:0}.cta-box[data-astro-cid-42l26kiy]{background:#0a0a0a;color:#fff;border-radius:12px;padding:36px;text-align:center;margin:48px 0}.cta-box[data-astro-cid-42l26kiy] h3[data-astro-cid-42l26kiy]{font-size:22px;font-weight:700;margin:0 0 10px;color:#fff}.cta-box[data-astro-cid-42l26kiy] p[data-astro-cid-42l26kiy]{color:#ffffffb3;margin-bottom:20px}.cta-btn[data-astro-cid-42l26kiy]{display:inline-block;background:var(--accent);color:#fff;text-decoration:none;padding:11px 24px;border-radius:7px;font-weight:600;font-size:15px;margin:4px}.cta-btn[data-astro-cid-42l26kiy].ghost{background:transparent;border:1px solid rgba(255,255,255,.35)}footer[data-astro-cid-42l26kiy]{text-align:center;padding:32px 24px;border-top:1px solid var(--border);font-size:13px;color:var(--fg-muted)}footer[data-astro-cid-42l26kiy] a[data-astro-cid-42l26kiy]{color:var(--fg-muted);text-decoration:none}@media(max-width:560px){.nav-links[data-astro-cid-42l26kiy] a[data-astro-cid-42l26kiy]:not(.btn-primary-nav){display:none}.cta-box[data-astro-cid-42l26kiy]{padding:28px 20px}}