:root{--ink:#0B1F3A;--accent:#2563EB;--accent2:#0891b2;--surface:#f8fafc;--card:#fff;--text:#0f172a;--muted:#475569;--border:#e2e8f0;--ok:#15803d;--warn:#b45309;--shadow:0 1px 3px rgba(15,23,42,.05),0 8px 24px rgba(15,23,42,.05);--radius:12px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100dvh;display:flex;flex-direction:column;overflow-x:hidden;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,sans-serif;background:var(--surface);color:var(--text);line-height:1.6}h1,h2,h3,h4{color:var(--ink);line-height:1.2;letter-spacing:-.02em}h1{font-size:clamp(1.8rem,4vw,2.6rem);margin:.2em 0 .3em}h2{font-size:clamp(1.3rem,2.6vw,1.7rem);margin:0 0 .3em}h3{font-size:1.1rem;margin:0 0 .3em}a{color:var(--accent)}main{flex:1;width:100%;max-width:1100px;margin:0 auto;padding:40px 22px 72px}main.wide{max-width:1280px}header.nav{position:sticky;top:0;z-index:50;display:flex;justify-content:space-between;align-items:center;gap:14px;padding:12px 22px;background:#ffffffe6;backdrop-filter:blur(10px);border-bottom:1px solid var(--border)}header.nav .brand{display:inline-flex;align-items:center;gap:9px;text-decoration:none;color:var(--ink);font-weight:700;white-space:nowrap}header.nav .brand small{display:block;font-weight:500;font-size:11px;color:var(--muted);letter-spacing:0}header.nav nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap}header.nav nav a{color:var(--muted);text-decoration:none;font-weight:500;font-size:14px;padding:7px 11px;border-radius:8px}header.nav nav a:hover{color:var(--ink);background:#f1f5f9}header.nav nav a[aria-current]{color:var(--accent);background:#eff6ff;font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:10px 18px;border-radius:10px;text-decoration:none;font-weight:600;font-size:14.5px;cursor:pointer;border:1px solid transparent}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 16px #2563eb38}.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--border)}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.grid{display:grid;gap:16px}@media (max-width:920px){.grid{grid-template-columns:repeat(2,1fr)!important}}@media (max-width:640px){.grid{grid-template-columns:1fr!important}}.muted{color:var(--muted)}.pill{display:inline-block;padding:3px 10px;border-radius:999px;background:#eff6ff;color:var(--accent);font-size:12px;font-weight:600}.pill.g{background:#dcfce7;color:#166534}.pill.o{background:#fef3c7;color:#92400e}.pill.d{background:#f1f5f9;color:#334155}.tw{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--card);box-shadow:var(--shadow)}table{border-collapse:collapse;width:100%;font-size:13.5px;min-width:560px}th,td{text-align:left;padding:9px 12px;border-bottom:1px solid var(--border);vertical-align:top}thead th{background:#f1f5f9;font-weight:700;color:var(--ink)}tbody tr:last-child td{border-bottom:none}tbody tr:nth-child(2n){background:#fbfdff}code{background:#f1f5f9;padding:1px 6px;border-radius:5px;font-size:12.5px}.chip{display:inline-block;background:#f1f5f9;color:#334155;font-size:12px;font-weight:500;padding:3px 9px;border-radius:6px;margin:2px 3px 0 0}.scn{background:#f0fdf4;border:1px solid #bbf7d0;border-radius:10px;padding:13px 15px;font-size:13.5px;color:#14532d}.note{background:#eff6ff;border:1px solid #bfdbfe;border-radius:10px;padding:13px 15px;font-size:13.5px;color:#1e3a8a}.warnbox{background:#fffbeb;border:1px solid #fde68a;border-radius:10px;padding:13px 15px;font-size:13.5px;color:#713f12}ul.tight{margin:6px 0;padding-left:20px}ul.tight li{margin:3px 0}footer.site{border-top:1px solid var(--border);background:#fff}footer.site .inner{max-width:1100px;margin:0 auto;padding:30px 22px;display:grid;gap:20px;grid-template-columns:2fr 1fr 1fr;color:var(--muted);font-size:13.5px}@media (max-width:760px){footer.site .inner{grid-template-columns:1fr}}footer.site h4{font-size:13px;margin:0 0 8px}footer.site a{color:var(--muted);text-decoration:none;display:block;padding:3px 0}@media (max-width:860px){header.nav nav a:not(.cta){display:none}}