:root{
  --bg:#0b1220;
  --card:#101a2e;
  --text:#e8eefc;
  --muted:#b7c4e6;
  --muted2:#8fa1cc;
  --line:#223356;
  --accent:#2f6df6;
  --accent2:#0fb6d6;
  --warn:#f59e0b;
  --ok:#22c55e;
  --max:1100px;
  --radius:14px;
  --shadow: 0 10px 35px rgba(0,0,0,.25);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --sans: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:linear-gradient(180deg,#071022 0%, #070b14 100%);color:var(--text);font-family:var(--sans);line-height:1.55}
a{color:inherit;text-decoration:none}
a:hover{text-decoration:underline}
.skip{position:absolute;left:-9999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip:focus{left:14px;top:14px;width:auto;height:auto;padding:10px 12px;background:#000;color:#fff;border-radius:10px;z-index:999}

.header{
  position:sticky;top:0;z-index:20;
  background:rgba(7,16,34,.86);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.header-inner{
  max-width:var(--max);margin:0 auto;padding:14px 18px;
  display:flex;align-items:center;gap:14px;justify-content:space-between;
}
.brand{display:flex;align-items:center;gap:10px;min-width:220px}
.mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--accent) 0%, var(--accent2) 100%);
  box-shadow:0 10px 20px rgba(47,109,246,.22);
  display:grid;place-items:center;
}
.mark svg{width:20px;height:20px;opacity:.95}
.brand-name{display:flex;flex-direction:column}
.brand-name strong{font-size:14px;letter-spacing:.2px}
.brand-name span{font-size:12px;color:var(--muted2)}
.nav{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end}
.nav a{
  padding:8px 10px;border-radius:10px;
  color:var(--muted);
  border:1px solid rgba(255,255,255,.06);
  background:rgba(255,255,255,.02);
}
.nav a[aria-current="page"]{color:var(--text);border-color:rgba(47,109,246,.45);background:rgba(47,109,246,.10)}
.nav a:hover{color:var(--text);border-color:rgba(255,255,255,.16);text-decoration:none}

.main{max-width:var(--max);margin:0 auto;padding:22px 18px 46px}
.hero{
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, rgba(16,26,46,.92), rgba(16,26,46,.70));
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  padding:22px 22px 18px;
}
.kicker{
  display:flex;flex-wrap:wrap;gap:8px;margin:0 0 10px;
}
.pill{
  font-size:12px;color:var(--muted);
  padding:6px 10px;border-radius:999px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.03);
}
.pill strong{color:var(--text);font-weight:600}
.hero h1{margin:0 0 10px;font-size:28px;letter-spacing:.2px;line-height:1.22}
.hero p{margin:0 0 14px;color:var(--muted);max-width:70ch}
.hero .meta{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:14px
}
.meta .box{
  padding:10px 12px;border-radius:12px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(0,0,0,.18);
  color:var(--muted);font-size:13px
}
.meta .box code{font-family:var(--mono);color:var(--text)}

.grid{
  display:grid;gap:14px;margin-top:16px;
  grid-template-columns:repeat(12, 1fr);
}
.card{
  grid-column:span 6;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(16,26,46,.55);
  border-radius:var(--radius);
  padding:16px 16px 14px;
}
.card h2{margin:0 0 8px;font-size:16px}
.card p{margin:0 0 10px;color:var(--muted);font-size:14px}
.card ul{margin:0;padding-left:18px;color:var(--muted);font-size:14px}
.card li{margin:6px 0}
.card a.inline{color:var(--text);text-decoration:underline}
.card a.inline:hover{text-decoration:none}

.section{
  margin-top:18px;
  border:1px solid rgba(255,255,255,.08);
  background:rgba(16,26,46,.45);
  border-radius:var(--radius);
  padding:18px 18px 12px;
}
.section h2{margin:0 0 10px;font-size:18px}
.section h3{margin:18px 0 8px;font-size:15px}
.section p{margin:0 0 12px;color:var(--muted);max-width:80ch}
.section ul{margin:0 0 12px;padding-left:18px;color:var(--muted);max-width:86ch}
.section code, .section pre{font-family:var(--mono)}
.section pre{
  background:rgba(0,0,0,.22);
  border:1px solid rgba(255,255,255,.08);
  padding:12px;border-radius:12px;overflow:auto
}
hr.sep{border:none;border-top:1px solid rgba(255,255,255,.08);margin:18px 0}

.notice{
  border:1px solid rgba(255,255,255,.10);
  background:rgba(0,0,0,.18);
  border-radius:12px;
  padding:14px 14px 10px;
}
.notice h3{margin:0 0 6px;font-size:14px}
.notice p{margin:0 0 10px;color:var(--muted);font-size:13px}
.notice ul{margin:0;padding-left:18px;color:var(--muted);font-size:13px}

.footer{
  margin-top:18px;padding-top:14px;
  border-top:1px solid rgba(255,255,255,.08);
  color:var(--muted2);font-size:13px
}
.footer a{color:var(--muted);text-decoration:underline}
.footer a:hover{text-decoration:none}
.footer .links{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
.small{font-size:12px;color:var(--muted2)}
kbd{font-family:var(--mono);background:rgba(0,0,0,.24);border:1px solid rgba(255,255,255,.12);padding:2px 6px;border-radius:8px}
table{width:100%;border-collapse:separate;border-spacing:0;overflow:hidden;border-radius:12px;border:1px solid rgba(255,255,255,.08)}
th,td{padding:10px 12px;border-bottom:1px solid rgba(255,255,255,.08);text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted2);letter-spacing:.2px;background:rgba(0,0,0,.18)}
tr:last-child td{border-bottom:none}
td{color:var(--muted);font-size:14px}

@media (max-width: 900px){
  .card{grid-column:span 12}
  .brand{min-width:auto}
  .nav{gap:8px}
  .nav a{padding:8px 9px}
  .hero h1{font-size:24px}
}