:root{--fg:#1d1d1f;--muted:#555;--accent:#b4530a;--bg:#fff;--line:#e3e3e3}
*{box-sizing:border-box}body{margin:0;font:17px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;color:var(--fg);background:var(--bg)}
header,main,footer{max-width:820px;margin:0 auto;padding:16px 20px}
header nav{display:flex;flex-wrap:wrap;gap:4px 14px;font-size:15px}header nav a{display:inline-flex;align-items:center;min-height:44px}header a[aria-current]{font-weight:700}
a{color:var(--accent)}a:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:2px}h1{font-size:clamp(1.65rem,5vw,2rem);line-height:1.2}h2{margin-top:2.2rem}
.answer{font-size:1.1rem;border-left:4px solid var(--accent);padding-left:12px}
.cta{display:inline-block;padding:10px 16px;border:2px solid var(--accent);border-radius:8px;text-decoration:none;font-weight:600}
.card{border:1px solid var(--line);border-radius:10px;padding:4px 18px;margin:16px 0}
table{border-collapse:collapse;width:100%;font-size:15px;display:block;overflow-x:auto}
caption{text-align:left;font-weight:600;padding:6px 0}th,td{border:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
thead th{background:#f6f6f6}footer{font-size:14px;color:var(--muted);border-top:1px solid var(--line);margin-top:40px}
.updated{color:var(--muted);font-size:14px}code{background:#f3f3f3;padding:1px 4px;border-radius:4px}
@media(max-width:600px){header,main,footer{padding:12px 20px}.card{margin:14px 0;padding:4px 16px}th,td{min-width:130px}}