:root{
  --bg:#0b1020;
  --card:#111831;
  --text:#edf2ff;
  --muted:#aab6d3;
  --line:#24304f;
  --accent:#7dd3fc;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  background:linear-gradient(180deg,#0b1020 0%,#0f1730 100%);color:var(--text);line-height:1.7;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}
header{position:sticky;top:0;z-index:20;background:rgba(11,16,32,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}
.brand{font-weight:800;letter-spacing:.2px;color:#fff}
nav{display:flex;gap:16px;flex-wrap:wrap}
nav a{color:#d7def2;font-size:.95rem}
.hero{padding:78px 0 46px}
.hero h1{font-size:clamp(2.4rem,6vw,4.8rem);line-height:1.02;margin:0 0 18px;letter-spacing:-.04em}
.hero p{max-width:780px;font-size:1.12rem;color:var(--muted)}
.badge{display:inline-block;border:1px solid var(--line);background:#0f1730;border-radius:999px;padding:7px 12px;color:#c6d3ef;font-size:.85rem;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:rgba(17,24,49,.9);border:1px solid var(--line);border-radius:18px;padding:24px}
.card h2,.card h3{margin-top:0}
main section{padding:34px 0}
main h2{font-size:clamp(1.7rem,3vw,2.5rem);margin-bottom:12px}
main p, main li{color:#d4ddf3}
.muted{color:var(--muted)}
.notice{border-left:4px solid var(--accent);padding:14px 18px;background:#0f1730;border-radius:10px;margin:20px 0}
ul{padding-left:22px}
footer{border-top:1px solid var(--line);margin-top:50px;padding:30px 0 50px;color:var(--muted)}
.breadcrumb{font-size:.9rem;color:var(--muted);margin-top:28px}
.article{max-width:860px}
.article h1{font-size:clamp(2.2rem,5vw,3.8rem);line-height:1.08}
.kicker{color:var(--accent);font-weight:700;text-transform:uppercase;letter-spacing:.08em;font-size:.8rem}
.cta{display:inline-block;background:#eaf6ff;color:#0b1020;padding:11px 16px;border-radius:10px;font-weight:700}
@media (max-width:820px){
  .grid{grid-template-columns:1fr}
  .nav{align-items:flex-start;flex-direction:column}
  .hero{padding-top:52px}
}