:root{
  --electric:#0072FF; --aqua:#00E0FF; --bg:#0A0F1E; --panel:#0F162D; --panel2:#101838; --line:#1B2342; --text:#E8EEFF; --muted:#A0ACD2;
}
@media (prefers-color-scheme: light){
  :root{ --bg:#f7faff; --panel:#ffffff; --panel2:#f3f6ff; --line:#dfe5ff; --text:#0b1221; --muted:#47507a; }
}
*{box-sizing:border-box}
body{
  margin:0;background:radial-gradient(1100px 560px at 12% -8%, #182759 0%, transparent 55%), var(--bg);
  color:var(--text); font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial;
}
.wrap{max-width:860px;margin:0 auto;padding:28px}
.head .brand{display:flex;align-items:center;gap:12px}
.mark{width:34px;height:34px;border-radius:10px;background:conic-gradient(from 180deg,var(--electric),var(--aqua),var(--electric));box-shadow:0 6px 18px rgba(0,114,255,.35)}
h1{margin:0;font-weight:800;font-size:28px}
.lead{color:var(--muted);margin:8px 0 14px}
.card{
  background:linear-gradient(180deg,var(--panel),var(--panel2));
  border:1px solid var(--line); border-radius:16px; padding:18px; box-shadow:0 20px 40px rgba(2,8,28,.35); margin:16px 0;
}
h2{margin:0 0 10px;font-weight:800;font-size:18px}
.hint{color:var(--muted);margin:4px 0 12px}
.grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
@media (max-width:900px){.grid{grid-template-columns:1fr}}
label{display:flex;flex-direction:column;gap:6px;font-weight:600}
input,select{
  padding:12px;border-radius:12px;border:1px solid var(--line);background:#0d142b;color:var(--text)
}
.q{margin:12px 0}
.actions{display:flex;flex-direction:column;gap:8px;margin-top:10px}
button{
  background:linear-gradient(90deg,var(--electric),var(--aqua));color:#001534;font-weight:800;
  border:0;padding:14px 18px;border-radius:14px;cursor:pointer
}
button:hover{filter:brightness(1.05)}
.fine{color:var(--muted);font-size:12px}
.foot{color:var(--muted);text-align:center;margin-top:22px;font-size:12px}