:root{
  --bg:#f5f7fc;
  --card:#fff;
  --text:#121212;
  --muted:#4f5b6a;
  --border:#dce3ef;
  --accent:#111;
  --accent-soft:#eef2ff;
  --success:#1f7a3f;
  --warning:#8a5a00;
}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(circle at top right,#e9eefb 0%,var(--bg) 55%);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.6}
a{color:#0b57d0;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1020px;margin:0 auto;padding:20px 16px 44px}
.top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.hero,.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px;margin-top:14px;content-visibility:auto;contain-intrinsic-size:1px 360px}
.hero h1{margin:0;font-size:34px;line-height:1.2}
.sub{margin:8px 0 0;color:var(--muted);font-weight:600}
.breadcrumb{font-size:13px;color:var(--muted);margin-top:10px}
.breadcrumb a{color:#0b57d0}
h2{margin:0 0 8px;font-size:24px}
h3{margin:14px 0 6px;font-size:19px}
p{margin:0 0 10px}
.help{color:var(--muted);font-size:14px}
label{display:block;font-weight:700;margin-top:10px}
input,select,button,textarea{width:100%;margin-top:6px;padding:13px;border-radius:10px;border:1px solid var(--border);font-size:16px;background:#fff}
button{background:var(--accent);color:#fff;border:none;font-weight:700;cursor:pointer}
.result{margin-top:12px;padding:14px;border:1px solid var(--border);border-radius:12px;background:#fbfcff}
.result h3{margin-top:0}
.small{font-size:13px;color:var(--muted)}
.grid{display:grid;gap:12px}
@media(min-width:860px){.grid.cols-2{grid-template-columns:1fr 1fr}.grid.cols-3{grid-template-columns:1fr 1fr 1fr}}
.links{margin:0;padding-left:18px}
.links li{margin-bottom:7px}
.faq details{border:1px solid var(--border);border-radius:10px;padding:10px;margin-top:8px;background:#fafbff}
summary{font-weight:700;cursor:pointer}
.pill-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.pill{background:var(--accent-soft);border:1px solid var(--border);border-radius:999px;padding:6px 10px;font-size:13px;color:#263252}
.callout{border:1px solid var(--border);padding:12px;background:#f8f9ff;border-radius:10px}
.table{width:100%;border-collapse:collapse;margin-top:8px}
.table th,.table td{border:1px solid var(--border);padding:8px;text-align:left}
.cta-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.btn{display:inline-block;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#fff;color:#111;text-decoration:none;font-weight:700}
.btn.primary{background:#111;color:#fff;border-color:#111}
.toc{margin-top:10px;padding-left:18px}
.toc li{margin-bottom:6px}
.result-metrics{display:grid;gap:10px;margin:10px 0}
@media(min-width:760px){.result-metrics{grid-template-columns:1fr 1fr 1fr}}
.metric{background:#fff;border:1px solid var(--border);border-radius:10px;padding:10px}
.metric strong{display:block;font-size:15px}
.metric span{font-size:22px;font-weight:800;line-height:1.2}
.zone-list{margin:0;padding-left:18px}
.zone-list li{margin-bottom:6px}
.related-card{background:#fff;border:1px solid var(--border);border-radius:12px;padding:12px}
.related-card p{margin:6px 0 0;font-size:14px;color:var(--muted)}
.section-lead{color:var(--muted);max-width:860px}
.kbd{display:inline-block;padding:2px 8px;border:1px solid var(--border);border-radius:999px;background:#fff;font-size:12px}
.alert{padding:10px;border-radius:10px;border:1px solid var(--border);background:#fffbe9;color:#604300}
.good{padding:10px;border-radius:10px;border:1px solid var(--border);background:#f2fff5;color:#1e6a3c}