:root{
  --bg:#0b1220;
  --card:#111a2e;
  --card-2:#17233d;
  --text:#e8eefc;
  --muted:#a9b7d0;
  --line:#263657;
  --accent:#68a4ff;
  --accent-2:#9cc2ff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Arial,Helvetica,sans-serif;
  background:linear-gradient(180deg,#09101d 0%,#0c1425 100%);
  color:var(--text);
  line-height:1.7;
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.container{width:min(1120px,92%);margin:0 auto}
.topbar{position:sticky;top:0;z-index:9;background:rgba(9,16,29,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;padding:16px 0}
.brand{display:flex;gap:12px;align-items:center;font-weight:700;font-size:1.15rem;color:#fff}
.brand-badge{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--accent),#b2caff);display:grid;place-items:center;color:#08111d;font-weight:800}
.nav-links{display:flex;gap:18px;flex-wrap:wrap}
.hero{padding:72px 0 34px}
.hero h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;margin:0 0 14px}
.hero p{font-size:1.08rem;color:var(--muted);max-width:820px}
.button-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 18px;border-radius:14px;border:1px solid var(--line);background:var(--card);color:#fff;font-weight:700}
.btn.primary{background:linear-gradient(135deg,#5c95ff,#8ab5ff);color:#08111d;border:none}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{background:linear-gradient(180deg,var(--card),var(--card-2));border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.card h2,.card h3{margin-top:0;line-height:1.25}
.card p{color:var(--muted)}
.section{padding:26px 0}
.section-title{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}
.section-title h2{margin:0;font-size:1.8rem}
.kicker{color:var(--accent-2);text-transform:uppercase;letter-spacing:.12em;font-size:.8rem;font-weight:700}
.feature-list{padding-left:18px;color:var(--muted)}
.feature-list li{margin:8px 0}
.article{padding:38px 0 62px}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:22px}
.article-content h1{font-size:clamp(2rem,4vw,3rem);line-height:1.15;margin:0 0 14px}
.meta{display:flex;flex-wrap:wrap;gap:14px;color:var(--muted);font-size:.95rem;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:12px 0;margin:18px 0 24px}
.article-content h2{margin-top:30px;font-size:1.45rem}
.article-content p,.article-content li{color:#d6e0f3}
.sidebar .card{position:sticky;top:92px}
.breadcrumbs{font-size:.95rem;color:var(--muted);margin-bottom:20px}
.tag-list{display:flex;gap:10px;flex-wrap:wrap}
.tag{font-size:.85rem;padding:8px 11px;border-radius:999px;background:#0d1629;border:1px solid var(--line);color:var(--accent-2)}
.footer{border-top:1px solid var(--line);padding:26px 0 46px;color:var(--muted);margin-top:22px}
.table-like{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:18px}
.mini{padding:14px;border-radius:16px;background:#0d1628;border:1px solid var(--line)}
@media (max-width:980px){
  .grid{grid-template-columns:repeat(2,1fr)}
  .article-wrap{grid-template-columns:1fr}
  .sidebar .card{position:static}
}
@media (max-width:640px){
  .grid{grid-template-columns:1fr}
  .nav{gap:14px;align-items:flex-start;flex-direction:column}
}