:root{--bg:#07090d;--surface:#0d1117;--line:rgba(255,255,255,.08);--line2:rgba(255,255,255,.14);--text:#e8eef5;--dim:#9aa7b8;--faint:#5f6d80;--cyan:#22d3ee;--amber:#fbbf24;--font:"Segoe UI Variable Display","Segoe UI",Inter,system-ui,-apple-system,Roboto,sans-serif}
*{box-sizing:border-box}
body{margin:0;background:radial-gradient(60% 40% at 80% 0%,rgba(34,211,238,.10),transparent 70%),var(--bg);color:var(--text);font:16px/1.75 var(--font);-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:var(--cyan);text-decoration:none}a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.wrap{max-width:1120px;margin:0 auto;padding:0 24px}
nav.top{border-bottom:1px solid var(--line);background:rgba(7,9,13,.7);backdrop-filter:blur(12px);position:sticky;top:0;z-index:5}
nav.top .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;color:var(--text)}.brand:hover{text-decoration:none}
.back{color:var(--dim);font-size:14.5px}
.doc{max-width:780px;margin:0 auto;padding:56px 24px 96px}
.upd{margin:0 0 10px;color:var(--faint);font-size:14px}
h1{margin:0 0 18px;font-size:clamp(32px,5vw,46px);line-height:1.1;letter-spacing:-.03em}
h2{margin:40px 0 10px;font-size:20px;letter-spacing:-.01em}
p{margin:0 0 14px;color:var(--dim)}
.lead{font-size:18px;color:var(--text);margin-bottom:8px}
ul{margin:0 0 14px;padding-left:22px;color:var(--dim)}li{margin:6px 0}
strong{color:var(--text)}
.card{margin:22px 0 8px;padding:24px 26px;border:1px solid var(--line2);border-radius:18px;background:linear-gradient(180deg,rgba(255,255,255,.035),rgba(255,255,255,.01)),var(--surface)}
dl{margin:0;display:grid;grid-template-columns:150px 1fr;gap:12px 20px}dt{color:var(--faint)}dd{margin:0}
.todo{background:rgba(251,191,36,.16);color:var(--amber);padding:1px 7px;border-radius:6px;font-size:.92em}
footer{border-top:1px solid var(--line);padding:30px 0 44px;color:var(--faint);font-size:14px}
footer .wrap{display:flex;flex-wrap:wrap;gap:12px 28px;align-items:center}
footer .r2{margin-left:auto;display:flex;flex-wrap:wrap;gap:8px 22px}
footer a{color:var(--dim)}footer a:hover{color:var(--text);text-decoration:none}footer a[aria-current]{color:var(--cyan)}
@media (max-width:640px){.wrap,.doc{padding-left:16px;padding-right:16px}dl{grid-template-columns:1fr;gap:2px}dd{margin-bottom:12px}footer .r2{margin-left:0}}
@media print{body{background:#fff;color:#000}p,ul,dd{color:#222}nav.top,footer{display:none}}