:root{--bg:#0f1226;--card:#161a36;--text:#e8eaf6;--muted:#a6abd1;--accent:#6b7bff;--accent2:#9b6bff;--line:#262b52}
*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--text);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif}
a{color:#9aa6ff}header{border-bottom:1px solid var(--line)}.wrap{max-width:980px;margin:0 auto;padding:0 20px}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}.nav img{height:36px}.nav nav a{color:var(--muted);text-decoration:none;margin-left:22px;font-size:15px}.nav nav a:hover{color:#fff}
.btn{display:inline-block;background:linear-gradient(90deg,var(--accent),var(--accent2));color:#fff!important;text-decoration:none;padding:12px 22px;border-radius:10px;font-weight:600}
.hero{padding:84px 0 56px;text-align:center}.hero h1{font-size:44px;line-height:1.15;margin:0 0 16px}.hero p{color:var(--muted);font-size:19px;max-width:680px;margin:0 auto 30px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px;padding:10px 0 70px}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:22px}.card h3{margin:0 0 8px;font-size:18px}.card p{margin:0;color:var(--muted);font-size:15px}
.doc{padding:48px 0 70px;max-width:820px}.doc h1{font-size:34px;margin:0 0 6px}.doc .upd{color:var(--muted);margin:0 0 28px}.doc h2{font-size:21px;margin:34px 0 8px}.doc p,.doc li{color:#cfd3f0}
footer{border-top:1px solid var(--line);color:var(--muted);font-size:14px}footer .wrap{display:flex;flex-wrap:wrap;gap:18px;justify-content:space-between;padding:26px 20px}footer a{color:var(--muted)}
@media(max-width:640px){.hero h1{font-size:32px}.nav nav a{margin-left:12px;font-size:14px}}