:root{
  --blue:#005a9c;
  --blue-dark:#003a66;
  --blue-soft:#eef7ff;
  --blue-line:#b9d9f2;
  --ink:#10243a;
  --text:#243447;
  --muted:#64748b;
  --line:#d8e8f5;
  --surface:#ffffff;
  --surface-soft:#f7fbff;
  --ok:#0f766e;
  --warn:#a16207;
  --shadow:0 20px 60px rgba(16,36,58,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--text);background:#fff;line-height:1.55}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}.narrow{max-width:880px}
.top{border-bottom:1px solid var(--line);background:rgba(255,255,255,.94);position:sticky;top:0;z-index:5;backdrop-filter:blur(10px)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0;gap:18px}.brand{display:flex;align-items:center;gap:16px;color:var(--ink);font-weight:850}.brand img{height:52px;width:auto}.brand span{font-size:22px}.navlinks{display:flex;gap:18px;align-items:center;flex-wrap:wrap}.navlinks a{font-weight:650;color:#2f4660}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:12px 18px;background:var(--blue);color:white;font-weight:800;border:1px solid var(--blue);box-shadow:0 6px 18px rgba(0,90,156,.15)}.btn:hover{text-decoration:none;background:var(--blue-dark);border-color:var(--blue-dark)}.btn.secondary{background:white;color:var(--blue);box-shadow:none}.btn.ghost{background:transparent;color:var(--blue);box-shadow:none}.hero{background:linear-gradient(135deg,#f8fcff 0%,#eef7ff 58%,#ffffff 100%);border-bottom:1px solid var(--line);padding:76px 0 58px}.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(340px,.85fr);gap:42px;align-items:center}.eyebrow{display:inline-flex;align-items:center;border:1px solid var(--blue-line);color:var(--blue);background:#fff;border-radius:999px;padding:7px 13px;font-weight:800;font-size:14px}h1{font-size:56px;line-height:1.03;margin:18px 0 18px;color:var(--ink);letter-spacing:-.04em}h2{font-size:34px;line-height:1.14;color:var(--ink);margin:0 0 14px;letter-spacing:-.02em}h3{color:var(--ink);margin:0 0 8px}.lead{font-size:21px;color:#39506b;margin:0 0 24px}.cta{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}.muted{color:var(--muted)}.section{padding:58px 0}.band{background:var(--surface-soft);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.grid2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{border:1px solid var(--line);border-radius:24px;padding:24px;background:#fff;box-shadow:0 8px 26px rgba(16,36,58,.05)}.card.featured{border:2px solid var(--blue);position:relative;box-shadow:var(--shadow)}.badge{display:inline-flex;border-radius:999px;padding:6px 10px;background:#e7f7f4;color:var(--ok);border:1px solid #b7e5dc;font-weight:800;font-size:13px}.badge.blue{background:#eaf5ff;color:var(--blue);border-color:#badbf3}.badge.warn{background:#fff7ed;color:var(--warn);border-color:#fed7aa}.hero-card{background:#fff;border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow)}.code{background:#0b1726;color:#d9f99d;border-radius:18px;padding:18px;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.55;overflow:auto;white-space:pre}.code .comment{color:#93a4b8}.list{padding-left:20px;margin:12px 0}.list li{margin:8px 0}.usecase{display:flex;gap:14px}.usecase .num{flex:0 0 auto;display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--blue-soft);color:var(--blue);font-weight:900}.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:stretch}.price{font-size:40px;font-weight:900;color:var(--ink);letter-spacing:-.04em}.price small{font-size:15px;color:var(--muted);font-weight:700}.plan-meta{display:grid;gap:10px;margin:18px 0}.plan-meta div{display:flex;justify-content:space-between;gap:10px;border-bottom:1px solid #edf4fb;padding-bottom:8px}.notice{border:1px solid var(--blue-line);background:#f5fbff;border-radius:22px;padding:22px}.demo{display:grid;grid-template-columns:1fr 1fr;gap:20px;align-items:start}.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.field label{display:block;font-weight:800;color:var(--ink);margin-bottom:5px}.field input,.field select{width:100%;border:1px solid #b9c9d8;border-radius:12px;padding:11px 12px;font:inherit}.hint{display:block;margin-top:5px;color:var(--muted);font-size:12px}.code code, .muted code{background:#eef3f8;color:#10243a;border-radius:6px;padding:2px 5px}.resultbox{border:1px solid var(--line);border-radius:18px;background:#fff;padding:18px}.resultdate{font-size:30px;font-weight:900;color:var(--blue)}.footer{padding:34px 0;border-top:1px solid var(--line);color:var(--muted);font-size:14px}.footer-grid{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}.toc{border:1px solid var(--line);border-radius:20px;padding:18px;background:#fff}.doc-layout{display:grid;grid-template-columns:260px 1fr;gap:28px;align-items:start}.doc-main section{scroll-margin-top:96px}.table{width:100%;border-collapse:collapse;background:white;border:1px solid var(--line);border-radius:16px;overflow:hidden}.table th,.table td{text-align:left;border-bottom:1px solid var(--line);padding:12px;vertical-align:top}.table th{background:var(--surface-soft);color:var(--ink)}@media(max-width:930px){.hero-grid,.grid2,.grid3,.plans,.demo,.doc-layout{grid-template-columns:1fr}.nav{align-items:flex-start}.brand img{height:44px}.navlinks{justify-content:flex-start}.top{position:static}h1{font-size:42px}.lead{font-size:19px}.formgrid{grid-template-columns:1fr}}