:root{
  --bg:#f7f8fb;--card:#fff;--text:#0f172a;--muted:#64748b;--line:rgba(15,23,42,.08);
  --shadow:0 10px 30px rgba(0,0,0,.06);
  --radius:16px;--brand:#459FD1;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text)}
.wrap{max-width:980px;margin:0 auto;padding:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.hero{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:10px}
.brand{display:flex;gap:12px;align-items:center}
.logo{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:rgba(69,159,209,.12);color:var(--brand);font-weight:800}
h1{margin:0;font-size:22px}
h2{margin:0 0 10px 0;font-size:16px}
.muted{color:var(--muted)}
.cta{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 12px;border-radius:12px;border:1px solid rgba(69,159,209,.35);
 background:var(--brand);color:#fff;text-decoration:none;font-weight:700}
.btn-ghost{background:#fff;color:var(--brand)}
.grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:14px}
@media(min-width:900px){.grid{grid-template-columns:1fr 1fr}}
.list{margin:0;padding-left:18px;line-height:1.55}
code{background:rgba(15,23,42,.06);padding:2px 6px;border-radius:8px}
.foot{margin-top:18px;font-size:13px}
.table{width:100%;border-collapse:collapse}
.table th,.table td{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left;font-size:14px;vertical-align:top}
.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:999px;background:rgba(15,23,42,.06);font-size:12px}
.row{display:flex;gap:10px;flex-wrap:wrap}
.input{width:100%;padding:10px 12px;border:1px solid rgba(15,23,42,.14);border-radius:12px;outline:none}
.input:focus{border-color:rgba(69,159,209,.75);box-shadow:0 0 0 3px rgba(69,159,209,.18)}
.btn-small{padding:8px 10px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);text-decoration:none;font-weight:700}
.btn-danger{border-color:rgba(239,68,68,.35);color:#b91c1c}
.note{font-size:13px;color:var(--muted);margin-top:8px}