:root{
  --bg:#020617;
  --panel:#0f172a;
  --panel2:#111827;
  --text:#e5e7eb;
  --muted:#94a3b8;
  --line:#334155;
  --accent:#38bdf8;
  --accent2:#22c55e;
  --warn:#fbbf24;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--text);
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  background:
    radial-gradient(circle at top left,rgba(56,189,248,.10),transparent 30%),
    radial-gradient(circle at top right,rgba(34,197,94,.08),transparent 28%),
    linear-gradient(180deg,#020617,#07101f 55%,#020617);
  line-height:1.65;
}
a{color:#7dd3fc}
a:hover{color:#bae6fd}
.shell{width:min(920px,calc(100% - 28px));margin:0 auto;padding:24px 0 48px}
.topbar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:22px;padding:12px 14px;border:1px solid rgba(148,163,184,.18);
  border-radius:16px;background:rgba(15,23,42,.78);backdrop-filter:blur(10px);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:900;text-decoration:none;color:#f8fafc}
.logo{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  color:#00111f;background:linear-gradient(135deg,#22c55e,#38bdf8 65%,#a78bfa)
}
.back{font-size:14px;text-decoration:none}
.hero{
  padding:26px;border:1px solid rgba(148,163,184,.18);border-radius:22px;
  background:linear-gradient(180deg,rgba(15,23,42,.94),rgba(8,15,30,.92));
  box-shadow:0 18px 50px rgba(0,0,0,.25);margin-bottom:18px
}
.hero h1{margin:0 0 8px;font-size:clamp(30px,6vw,46px);line-height:1.1;letter-spacing:-.035em}
.hero p{margin:0;color:#cbd5e1}
.card{
  margin:14px 0;padding:22px;border:1px solid rgba(148,163,184,.16);
  border-radius:18px;background:rgba(15,23,42,.86);box-shadow:0 12px 34px rgba(0,0,0,.20)
}
.card h2{margin:0 0 10px;font-size:22px}
.card h3{margin:18px 0 6px;font-size:17px}
.card p{margin:8px 0;color:#cbd5e1}
.card ul{margin:8px 0 0;padding-left:22px;color:#cbd5e1}
.notice{
  border-left:4px solid var(--accent);padding:14px 16px;border-radius:12px;
  background:rgba(56,189,248,.08);color:#dbeafe
}
.warning{
  border-left-color:var(--warn);background:rgba(251,191,36,.08);color:#fef3c7
}
.meta{
  display:grid;grid-template-columns:190px 1fr;gap:8px 16px;
  padding:0;margin:0
}
.meta dt{font-weight:800;color:#f8fafc}
.meta dd{margin:0;color:#cbd5e1}
.footer{
  display:flex;flex-wrap:wrap;gap:10px 18px;justify-content:center;
  margin-top:26px;padding-top:20px;border-top:1px solid rgba(148,163,184,.14);
  font-size:14px;color:var(--muted)
}
.footer a{text-decoration:none}
details{
  border:1px solid rgba(148,163,184,.16);border-radius:14px;
  background:rgba(2,6,23,.30);margin:10px 0;overflow:hidden
}
summary{cursor:pointer;padding:14px 16px;font-weight:800;color:#f8fafc}
details p{padding:0 16px 14px;margin:0}
.badge{
  display:inline-flex;align-items:center;gap:7px;padding:6px 10px;border-radius:999px;
  background:rgba(34,197,94,.12);border:1px solid rgba(34,197,94,.28);color:#bbf7d0;
  font-weight:800;font-size:13px;margin-bottom:12px
}
@media(max-width:640px){
  .shell{width:min(100% - 18px,920px);padding-top:12px}
  .topbar{padding:10px 12px}
  .hero,.card{padding:17px;border-radius:17px}
  .meta{grid-template-columns:1fr;gap:2px}
  .meta dd{margin-bottom:10px}
}