:root{
  --bg0:#f7faff;
  --bg1:#eef4ff;
  --ink:#0b1220;
  --muted:#41506a;
  --line:rgba(11,18,32,.10);
  --line2:rgba(11,18,32,.14);
  --glass:rgba(255,255,255,.68);
  --shadow:0 20px 60px rgba(0,0,0,.10);
  --shadow2:0 10px 30px rgba(0,0,0,.08);
  --a:#2f6bff;
  --b:#00d4ff;
  --c:#7c4dff;
  --accent:linear-gradient(90deg,var(--a),var(--b),var(--c));
  --ok:#22c55e;
  --warn:#f59e0b;
  --danger:#ef4444;
  --max:980px;
  --r16:16px;
  --r20:20px;
  --r24:24px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  color:var(--ink);
  font:16px/1.6 ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
  background:
    radial-gradient(900px 520px at 18% 12%, rgba(0,212,255,.20), transparent 55%),
    radial-gradient(820px 520px at 86% 26%, rgba(124,77,255,.18), transparent 58%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:-2px;
  pointer-events:none;
  background:
    radial-gradient(1200px 700px at 40% -10%, rgba(47,107,255,.10), transparent 55%),
    radial-gradient(1000px 680px at 110% 25%, rgba(0,212,255,.10), transparent 58%),
    radial-gradient(980px 640px at 0% 70%, rgba(124,77,255,.09), transparent 62%);
  z-index:-2;
}
body::after{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  opacity:.10;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='160' height='160' filter='url(%23n)' opacity='.35'/%3E%3C/svg%3E");
  z-index:-1;
}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;display:block}

.container{width:min(var(--max), calc(100% - 40px));margin:0 auto}

.nav{position:sticky;top:14px;z-index:50;padding:10px 0}
.nav .inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:12px 14px;
  border-radius:999px;
  background:var(--glass);
  border:1px solid var(--line);
  box-shadow:var(--shadow2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.logo,.brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-weight:950;
  letter-spacing:.01em;
}
.logo img,.brand img{
  width:28px;height:28px;border-radius:9px;
  box-shadow:0 10px 22px rgba(0,0,0,.10);
}
.links{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}
.links a{
  font-weight:800;
  font-size:13px;
  color:rgba(11,18,32,.78);
  padding:10px 10px;
  border-radius:999px;
  border:1px solid transparent;
}
.links a:hover{
  background:rgba(255,255,255,.55);
  border-color:var(--line);
  text-decoration:none;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 14px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.60);font-weight:900;font-size:13px;
  box-shadow:0 10px 20px rgba(0,0,0,.06);text-decoration:none !important;
}
.btn:hover{background:rgba(255,255,255,.75)}
.btn.cta,.btn.primary{
  border-color:rgba(47,107,255,.22);
  background:linear-gradient(180deg, rgba(47,107,255,.16), rgba(255,255,255,.55));
}

main{padding:22px 0 84px}
.hero,
.card,
.notice,
.footerCard{
  border-radius:var(--r24);
  border:1px solid var(--line);
  background:linear-gradient(180deg, rgba(255,255,255,.72), rgba(255,255,255,.54));
  box-shadow:var(--shadow2);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  overflow:hidden;
  position:relative;
}
.hero::before,
.card::before,
.notice::before,
.footerCard::before{
  content:"";
  position:absolute;
  inset:-1px;
  pointer-events:none;
  background:
    radial-gradient(800px 240px at 10% 8%, rgba(0,212,255,.14), transparent 62%),
    radial-gradient(780px 240px at 92% 16%, rgba(124,77,255,.10), transparent 60%);
  opacity:.55;
}
.hero > *,
.card > *,
.notice > *,
.footerCard > *{position:relative}

.hero{margin-top:18px;box-shadow:var(--shadow)}
.heroInner{padding:22px 20px 18px}
.eyebrow{
  display:inline-flex;align-items:center;gap:10px;padding:10px 12px;
  border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.58);box-shadow:0 10px 20px rgba(0,0,0,.06);
  font-weight:900;font-size:13px
}
.eyebrow .dot{
  width:10px;height:10px;border-radius:999px;background:var(--ok);
  box-shadow:0 0 0 4px rgba(34,197,94,.12)
}
h1{
  margin:16px 0 0;
  font-size:clamp(30px,3.2vw,44px);
  line-height:1.08;
  letter-spacing:-.02em
}
h2{
  margin:0 0 12px;
  font-size:24px;
  line-height:1.18;
  letter-spacing:-.02em
}
h3{
  margin:18px 0 8px;
  font-size:17px;
  line-height:1.3
}
p,li{color:rgba(11,18,32,.88)}
.lead,.hero p{font-size:16px;color:rgba(11,18,32,.82);font-weight:600;margin:12px 0 0}
.shy,.meta{font-size:13px;color:rgba(65,80,106,.92)}
.grad{
  background:var(--accent);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.grid{display:grid;gap:14px}
.grid.two{grid-template-columns:1fr 1fr}
.card{padding:18px 16px;margin-top:18px}
.card h2:first-child{margin-top:0}
.card ul,.card ol{padding-left:20px;margin:8px 0 0}
.card li+li{margin-top:8px}
.card p+p{margin-top:10px}
.card code{
  padding:2px 6px;border-radius:8px;
  background:rgba(47,107,255,.08);
  border:1px solid rgba(47,107,255,.14);
  font-size:13px
}
.inlineLinks{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.58);font-weight:800;font-size:13px
}
.toc{
  display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:16px
}
.toc a{
  display:block;padding:14px;border-radius:18px;border:1px solid var(--line);
  background:rgba(255,255,255,.56);font-weight:800;text-decoration:none
}
.toc a small{display:block;margin-top:4px;color:var(--muted);font-weight:600}
.notice{
  padding:16px;
  border-left:4px solid var(--warn);
  margin-top:18px
}
.notice.danger{border-left-color:var(--danger)}
.notice.ok{border-left-color:var(--ok)}
.tableLike{
  width:100%;border-collapse:collapse;margin-top:10px
}
.tableLike tr+tr td,.tableLike tr+tr th{border-top:1px solid rgba(11,18,32,.08)}
.tableLike th,.tableLike td{padding:10px 0;vertical-align:top;text-align:left}
.tableLike th{width:220px;font-size:13px;color:var(--muted)}
.anchorList{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.anchorList a{
  padding:8px 10px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.55);font-weight:800;font-size:12px;text-decoration:none
}
.footerCard{margin-top:18px;padding:18px 16px}
.footerLinks{display:flex;flex-wrap:wrap;gap:10px;margin-top:10px}
.footerLinks a{
  padding:10px 12px;border-radius:999px;border:1px solid var(--line);
  background:rgba(255,255,255,.58);font-weight:800;font-size:13px;text-decoration:none
}
.hr{height:1px;background:rgba(11,18,32,.08);margin:16px 0}
blockquote{
  margin:12px 0;padding:12px 14px;border-left:4px solid rgba(47,107,255,.35);
  background:rgba(47,107,255,.06);border-radius:12px
}
.footer{
  padding:0 0 40px
}
.footer .inner{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap
}
.muted{color:var(--muted)}
.right{display:flex;flex-wrap:wrap;gap:10px}
.listReset{list-style:none;padding:0;margin:0}
.kv{display:flex;align-items:flex-start;gap:10px;justify-content:space-between;padding:10px 0;border-bottom:1px solid rgba(11,18,32,.06)}
.kv:last-child{border-bottom:0}
.kv b{font-weight:950}
.kv span{color:rgba(11,18,32,.78);font-weight:650}
@media (max-width:980px){.grid.two,.toc{grid-template-columns:1fr}}
@media (max-width:820px){
  .nav{top:10px}
  .links{display:none}
  main{padding:14px 0 70px}
  .container{width:min(var(--max), calc(100% - 28px))}
  .hero,.card,.notice,.footerCard{border-radius:20px}
  .heroInner{padding:18px 16px 14px}
}