:root{
  --bg:#0b0f14;--panel:#111823;--panel2:#151f2c;--line:#28384a;
  --text:#f3f6fa;--muted:#a9bacb;--accent:#58d68d;--accent2:#62b6ff;
  --warn:#ffcc66;--shadow:0 12px 34px rgba(0,0,0,.25);--radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--text);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:
    radial-gradient(circle at 15% 0%,rgba(98,182,255,.10),transparent 28rem),
    radial-gradient(circle at 90% 8%,rgba(88,214,141,.08),transparent 25rem),
    var(--bg);
}
a{color:#8ed3ff}
a:hover{color:#c5e8ff}
.wrap{max-width:960px;margin:auto;padding:26px 20px 70px}
.sitebar{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:24px}
.brand{display:flex;align-items:center;gap:11px;color:var(--text);text-decoration:none;font-weight:800}
.logo{width:42px;height:42px;border-radius:13px;background:linear-gradient(135deg,var(--accent2),var(--accent));display:grid;place-items:center;color:#071018;font-size:12px;box-shadow:var(--shadow)}
.nav{display:flex;gap:14px;flex-wrap:wrap;font-size:13px}
.nav a{text-decoration:none;color:var(--muted)}
.nav a:hover{color:var(--text)}
.breadcrumb{font-size:12px;color:#8296a9;margin-bottom:15px}
.breadcrumb a{color:#9fb8cf;text-decoration:none}
.hero{
  border:1px solid var(--line);border-radius:24px;padding:28px;
  background:linear-gradient(180deg,rgba(255,255,255,.04),rgba(255,255,255,.015));
  box-shadow:var(--shadow);margin-bottom:20px
}
.eyebrow{font-size:11px;text-transform:uppercase;letter-spacing:.09em;color:#8ed3ff;font-weight:800}
h1{font-size:clamp(32px,6vw,49px);line-height:1.04;margin:8px 0 13px;letter-spacing:-.025em}
.hero p{font-size:17px;color:var(--muted);line-height:1.62;max-width:820px;margin:0}
.quick{border:1px solid rgba(88,214,141,.35);background:rgba(88,214,141,.07);border-radius:16px;padding:18px;margin:20px 0}
.quick strong{color:#b9f4cf}
.content{background:linear-gradient(180deg,var(--panel),#0f1620);border:1px solid var(--line);border-radius:20px;padding:28px;box-shadow:var(--shadow)}
h2{font-size:26px;margin:34px 0 10px}
h2:first-child{margin-top:0}
h3{font-size:19px;margin:25px 0 8px}
p,li{color:var(--muted);line-height:1.72}
strong{color:#edf5fc}
ul,ol{padding-left:22px}
li{margin:6px 0}
.table-scroll{overflow-x:auto;margin:18px 0}
.table-scroll table{min-width:720px;margin:0}
table{width:100%;border-collapse:collapse;margin:18px 0;font-size:14px}
th,td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{color:#dceaf6;background:#101923}
td{color:var(--muted)}
code,.formula{font-family:Consolas,Monaco,monospace}
.formula{display:block;background:#0a1119;border:1px solid var(--line);border-radius:12px;padding:15px;margin:15px 0;color:#dbeeff;overflow:auto}
.note,.warning{border-radius:14px;padding:15px 17px;margin:18px 0}
.note{border:1px solid rgba(98,182,255,.35);background:rgba(98,182,255,.07)}
.warning{border:1px solid rgba(255,204,102,.35);background:rgba(255,204,102,.07)}
.note p,.warning p{margin:0}
.cta{margin:26px 0;border:1px solid var(--line);border-radius:17px;padding:20px;background:linear-gradient(135deg,rgba(98,182,255,.10),rgba(88,214,141,.07))}
.cta h3{margin:0 0 7px}
.cta p{margin:0 0 14px}
.button{display:inline-block;background:linear-gradient(135deg,var(--accent2),#7bd4ff);color:#071018!important;text-decoration:none;font-weight:800;border-radius:10px;padding:11px 15px}
.related{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.related a{border:1px solid var(--line);border-radius:12px;padding:12px;text-decoration:none;background:#0d151e}
.sources{font-size:13px}
.sources li{margin:8px 0}
.footer{color:#72869a;font-size:11px;line-height:1.5;text-align:center;margin-top:22px}
.footer a{color:#8fa6bb}
@media(max-width:650px){
  .sitebar{align-items:flex-start;flex-direction:column}
  .hero,.content{padding:20px}
  .related{grid-template-columns:1fr}
  table{font-size:12px}
  th,td{padding:9px}
}