:root{
  --bg0:#050b14;
  --bg1:#06101c;
  --panel: rgba(255,255,255,.06);
  --line: rgba(255,255,255,.14);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --muted2: rgba(255,255,255,.56);
  --accent:#22d3ee;
  --ok:#34d399;
  --radius:16px;
  --shadow:0 18px 44px rgba(0,0,0,.42);
  --max:1160px;
  --sans: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--sans);
  color:var(--text);
  line-height:1.55;
  background:
    radial-gradient(900px 520px at 14% 10%, rgba(34,211,238,.12), transparent 62%),
    radial-gradient(760px 520px at 84% 16%, rgba(34,211,238,.08), transparent 62%),
    radial-gradient(980px 640px at 50% 96%, rgba(34,211,238,.05), transparent 66%),
    linear-gradient(180deg, var(--bg1), var(--bg0));
}
body:before{
  content:"";
  position:fixed; inset:0;
  pointer-events:none; opacity:.14;
  background-image:
    linear-gradient(to right, rgba(255,255,255,.06) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,.06) 1px, transparent 1px);
  background-size:58px 58px;
  mask-image: radial-gradient(72% 55% at 50% 10%, black, transparent 75%);
}
a{color:inherit; text-decoration:none}
a:hover{text-decoration:underline; text-underline-offset:3px}
.container{width:100%; max-width:var(--max); margin:0 auto; padding:0 22px}
header.nav{
  position:sticky; top:0; z-index:120;
  border-bottom:1px solid rgba(255,255,255,.10);
  background:rgba(6,16,28,.74);
  backdrop-filter:blur(14px);
}
.nav-inner{display:flex; align-items:center; justify-content:space-between; gap:12px; width:100%; min-height:64px}
.brand{display:flex; align-items:center; gap:10px; font-weight:900; letter-spacing:.2px}
.mark{width:30px; height:30px; display:inline-flex; align-items:center; justify-content:center; flex:0 0 auto}
.mark svg{width:30px; height:30px}
nav.links{display:flex; align-items:center; gap:6px; color:rgba(255,255,255,.74); font-size:14px; flex-wrap:wrap}
nav.links a{padding:8px 10px; border-radius:12px}
nav.links a:hover{background:rgba(255,255,255,.06); text-decoration:none; color:var(--text)}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:10px;
  padding:11px 14px; border-radius:12px; border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06); color:var(--text); font-weight:900; font-size:14px;
  box-shadow:0 10px 26px rgba(0,0,0,.22); white-space:nowrap
}
.btn.primary{border-color:rgba(34,211,238,.50); background:linear-gradient(135deg, rgba(34,211,238,.22), rgba(34,211,238,.10))}
.btn:hover{transform:translateY(-1px); background:rgba(255,255,255,.10); border-color:rgba(255,255,255,.22); text-decoration:none}
.hero{padding:44px 0 24px}
.kicker{
  display:inline-flex; align-items:center; gap:10px; padding:8px 10px;
  border-radius:999px; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.05);
  color:rgba(255,255,255,.74); font-size:13px
}
.dot{width:10px; height:10px; border-radius:999px; background:var(--accent); box-shadow:0 0 0 4px rgba(34,211,238,.10)}
h1{margin:14px 0 10px; font-size:clamp(32px, 4.6vw, 54px); line-height:1.04; letter-spacing:-1px}
.lead{margin:0; font-size:18px; color:var(--muted); max-width:72ch}
section{padding:34px 0}
.section-title{margin:0; font-size:28px; line-height:1.14; letter-spacing:-.45px}
.section-desc{margin:10px 0 0; color:var(--muted); font-size:15px; max-width:82ch}
.panel{
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.06);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.panel.soft{background:rgba(255,255,255,.04); box-shadow:none}
.card{padding:18px}
.grid{display:grid; grid-template-columns: minmax(0, 1.35fr) minmax(0,.65fr); gap:18px; align-items:start}
.cards{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:14px}
.cards.two{grid-template-columns:repeat(2, minmax(0,1fr))}
.cards .panel h3{margin:0 0 8px; font-size:16px}
.cards .panel p{margin:0; color:var(--muted); font-size:14.6px}
.breadcrumb{display:flex; gap:8px; align-items:center; flex-wrap:wrap; color:var(--muted2); font-size:13px; margin-bottom:10px}
.breadcrumb a{color:rgba(255,255,255,.84)}
.prose{color:var(--muted); font-size:15px}
.prose p{margin:0 0 14px}
.prose ul, .prose ol{margin:0 0 16px 18px; padding:0}
.prose li{margin:7px 0}
.prose h2{margin:28px 0 10px; font-size:22px; color:var(--text)}
.prose h3{margin:20px 0 8px; font-size:18px; color:var(--text)}
.prose blockquote{
  margin:12px 0; padding:12px 14px; border-left:3px solid rgba(34,211,238,.44);
  background:rgba(255,255,255,.04); color:rgba(255,255,255,.82); border-radius:12px
}
.notice{
  padding:12px 14px; border-radius:14px; border:1px solid rgba(34,211,238,.26);
  background:linear-gradient(135deg, rgba(34,211,238,.10), rgba(34,211,238,.04));
  color:rgba(255,255,255,.86); font-size:14px
}
.meta-list{display:grid; gap:10px}
.meta-item{
  padding:12px 14px; border-radius:14px; border:1px solid rgba(255,255,255,.12); background:rgba(255,255,255,.04)
}
.meta-item strong{display:block; font-size:13px; margin-bottom:4px}
.toc a{
  display:block; padding:10px 12px; border-radius:12px; margin:0 0 8px;
  border:1px solid rgba(255,255,255,.10); background:rgba(255,255,255,.04); color:rgba(255,255,255,.82)
}
.toc a:hover{text-decoration:none; background:rgba(255,255,255,.08)}
.table-wrap{overflow:auto; border-radius:14px; border:1px solid rgba(255,255,255,.12)}
table{width:100%; border-collapse:collapse; font-size:14px}
th, td{padding:12px; text-align:left; border-bottom:1px solid rgba(255,255,255,.10)}
th{font-size:12px; text-transform:uppercase; letter-spacing:.18px; color:rgba(255,255,255,.62)}
.badge{
  display:inline-flex; align-items:center; gap:8px; padding:6px 8px; border-radius:999px;
  border:1px solid rgba(34,211,238,.30); background:rgba(34,211,238,.10); font-size:12px; color:rgba(255,255,255,.84)
}
footer{
  padding:28px 0 34px; border-top:1px solid rgba(255,255,255,.10); background:rgba(0,0,0,.10)
}
.foot-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:14px; align-items:start}
.foot-columns{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:14px; margin-top:14px}
.foot-group h4{margin:0 0 8px; font-size:12px; letter-spacing:.22px; text-transform:uppercase; color:rgba(255,255,255,.60)}
.foot-group a{display:block; color:rgba(255,255,255,.78); font-size:13.5px; margin:0 0 7px}
.foot-group a:last-child{margin-bottom:0}
.email{display:inline-flex; font-family:var(--mono); font-size:13px; padding:10px 12px; border-radius:12px; border:1px solid rgba(255,255,255,.14); background:rgba(255,255,255,.04)}
.fineprint{font-size:12.5px; color:rgba(255,255,255,.56)}
hr.sep{border:none; height:1px; background:rgba(255,255,255,.10); margin:20px 0}
@media (max-width: 980px){
  .grid{grid-template-columns:1fr}
}
@media (max-width: 860px){
  .cards{grid-template-columns:1fr}
  .cards.two{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .foot-columns{grid-template-columns:1fr 1fr}
}
@media (max-width: 620px){
  nav.links{display:none}
  .foot-columns{grid-template-columns:1fr}
  .container{padding:0 16px}
  .lead{font-size:16.8px}
  .section-title{font-size:24px}
}