:root{
  --bg:#ffffff;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#475569;
  --brand:#0ea5e9;
  --brand2:#22c55e;
  --brand3:#6366f1;
  --border:rgba(2,6,23,.12);
  --shadow:0 14px 40px rgba(2,6,23,.08);
  --radius:18px;
  --soft:rgba(14,165,233,.10);
  --soft2:rgba(34,197,94,.10);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color:var(--text);
  line-height:1.55;
  background:
    radial-gradient(1100px 520px at 10% 0%, rgba(14,165,233,.10), transparent 60%),
    radial-gradient(900px 520px at 95% 10%, rgba(99,102,241,.10), transparent 60%),
    radial-gradient(900px 520px at 40% 100%, rgba(34,197,94,.10), transparent 60%),
    #ffffff;
}
a{color:inherit;text-decoration:none}
.container{max-width:1100px;margin:0 auto;padding:0 18px}
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
.brand{display:flex;align-items:center;gap:10px}
.logo{
  width:34px;height:34px;border-radius:12px;
  background:linear-gradient(135deg, var(--brand), var(--brand2));
  box-shadow:var(--shadow)
}
.brand h1{font-size:15px;margin:0;font-weight:900;letter-spacing:.2px}
.brand small{display:block;color:var(--muted);font-weight:700;margin-top:1px}
.links{display:flex;gap:12px;flex-wrap:wrap}
.links a{
  padding:8px 10px;border-radius:12px;
  color:var(--muted);font-weight:800
}
.links a.active,.links a:hover{background:var(--soft);color:#0369a1}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:14px;
  border:1px solid var(--border);
  background:#fff;
  box-shadow:0 8px 24px rgba(2,6,23,.06);
  font-weight:900;
  cursor:pointer;
}
.btn.primary{
  background:linear-gradient(135deg, var(--brand), var(--brand2));
  color:#fff;border:0
}
.hero{padding:34px 0 18px}
.heroGrid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:stretch}
@media (max-width: 860px){.heroGrid{grid-template-columns:1fr}}
.card{
  background:rgba(255,255,255,.92);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow)
}
.pad{padding:18px}
.hTitle{font-size:36px;line-height:1.12;margin:0 0 10px;font-weight:950;letter-spacing:-.7px}
.hSub{margin:0 0 16px;color:var(--muted);font-weight:700}
.pillRow{display:flex;gap:10px;flex-wrap:wrap}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 10px;border-radius:999px;
  background:var(--soft2);
  color:#166534;
  border:1px solid rgba(34,197,94,.18);
  font-weight:900;font-size:13px
}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
@media (max-width: 900px){.grid3{grid-template-columns:1fr}}
.kicker{font-size:12px;text-transform:uppercase;letter-spacing:.14em;color:var(--muted);font-weight:900}
.title{font-size:20px;margin:6px 0 4px;font-weight:950}
.muted{color:var(--muted)}
.section{padding:18px 0}
.footer{margin-top:28px;padding:24px 0;border-top:1px solid var(--border);color:var(--muted);font-weight:700}
.footer a{color:#0369a1}
.notice{font-size:13px;color:var(--muted)}
.toolGrid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media (max-width: 900px){.toolGrid{grid-template-columns:1fr}}
input, textarea, select{
  width:100%;padding:12px 12px;
  border:1px solid var(--border);
  border-radius:14px;background:#fff;font:inherit
}
textarea{min-height:120px;resize:vertical}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row > *{flex:1}
.out{padding:12px;border-radius:14px;border:1px solid var(--border);background:#fff}
.tag{display:inline-block;padding:6px 10px;border:1px solid var(--border);border-radius:999px;font-size:12px;font-weight:900;color:var(--muted);background:rgba(2,6,23,.02)}
.crumbs{font-size:13px;color:var(--muted);font-weight:800}
.crumbs a{color:#0369a1}
.hr{height:1px;background:var(--border);margin:12px 0}
.callout{background:var(--soft);border:1px solid rgba(14,165,233,.18);border-radius:var(--radius);padding:14px}
.faq details{border:1px solid var(--border);border-radius:14px;background:#fff;padding:12px}
.faq details+details{margin-top:10px}
.faq summary{font-weight:950;cursor:pointer}
.small{font-size:13px}
pre{font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace}