:root{
  --bg:#07111f;
  --panel:#0f1d31;
  --panel2:#142843;
  --text:#f7fbff;
  --muted:#aebed2;
  --blue:#1687ff;
  --cyan:#35d3ff;
  --purple:#7d34ff;
  --green:#31cf83;
  --line:#274365;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:linear-gradient(180deg,#06101d 0%,#0a1425 100%);
  color:var(--text);
  line-height:1.6;
}
a{color:#7fc7ff;text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:1040px;margin:auto;padding:0 22px}
header{
  position:sticky;top:0;z-index:10;
  background:rgba(6,16,29,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{font-weight:800;font-size:1.2rem;letter-spacing:.2px}
.brand span{color:var(--cyan)}
nav a{margin-left:18px;color:#dce8f7;font-size:.95rem}
.hero{padding:80px 0 56px}
.kicker{color:var(--cyan);font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.82rem}
h1{font-size:clamp(2.3rem,6vw,4.5rem);line-height:1.04;margin:.35em 0 .25em}
h2{font-size:clamp(1.55rem,3vw,2.2rem);margin-top:0}
h3{font-size:1.18rem;margin-bottom:.35rem}
.lead{font-size:1.2rem;color:var(--muted);max-width:780px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.btn{
  display:inline-block;padding:13px 20px;border-radius:14px;
  background:linear-gradient(90deg,var(--blue),var(--purple));
  color:#fff;font-weight:750;
}
.btn.secondary{background:transparent;border:1px solid var(--line);color:#dce8f7}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:linear-gradient(180deg,var(--panel),#0c192b);
  border:1px solid var(--line);border-radius:20px;padding:24px;
}
.card p,.muted{color:var(--muted)}
.section{padding:38px 0 64px}
.notice{
  border-left:4px solid var(--cyan);background:#0e2239;
  padding:16px 18px;border-radius:12px;color:#dce8f7
}
footer{border-top:1px solid var(--line);margin-top:40px;padding:30px 0 46px;color:#91a6bf}
footer .links{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:10px}
article{max-width:900px}
article h1{font-size:2.7rem}
article h2{margin-top:2.2rem}
article ul{padding-left:22px}
.meta{color:#8ea4bd;font-size:.92rem;margin-bottom:26px}
.badge{
  display:inline-block;padding:6px 10px;border-radius:999px;
  background:#11375d;border:1px solid #245d91;color:#a9d9ff;font-weight:700;font-size:.84rem
}
.feature{display:flex;gap:14px;align-items:flex-start}
.dot{
  min-width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--blue),var(--purple));font-weight:900
}
@media(max-width:780px){
  .grid{grid-template-columns:1fr}
  nav{display:none}
  .hero{padding-top:56px}
}