*{box-sizing:border-box;margin:0;padding:0}
:root{--ink:#161b22;--mut:#5b6472;--line:#e6e8ee;--bg:#f6f7f9;--card:#fff;--gold:#b8860b;--dark:#0d1017}
html{scroll-behavior:smooth}
body{font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;color:var(--ink);background:var(--bg)}
.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
 padding:14px 26px;background:var(--dark);color:#fff}
.logo{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;letter-spacing:.13em;text-transform:uppercase;font-size:12.5px}
.logo .mark{width:28px;height:28px;border-radius:50%;background:#fff;overflow:hidden;flex:none;display:block}
.logo .mark img{width:100%;height:100%;object-fit:cover;display:block}
.topbar nav{display:flex;gap:6px;flex-wrap:wrap}
.topbar nav a{color:#c7cfdb;text-decoration:none;font-size:14px;padding:7px 13px;border-radius:8px}
.topbar nav a:hover{color:#fff;background:rgba(255,255,255,.07)}
.topbar nav a.on{color:var(--dark);background:var(--gold)}
main{max-width:900px;margin:0 auto;padding:40px 24px 60px}
h1{font-size:30px;letter-spacing:-.02em;margin:0 0 8px}
.lead{color:var(--mut);font-size:17px;margin-bottom:30px}
.lock{display:inline-block;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);border:1px solid var(--gold);border-radius:999px;padding:3px 10px;margin-bottom:18px}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:18px}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:24px;text-decoration:none;color:inherit;transition:.15s}
.card:hover{border-color:var(--gold);box-shadow:0 12px 30px rgba(0,0,0,.06);transform:translateY(-2px)}
.card h3{font-size:19px;margin-bottom:6px}
.card .meta{color:var(--mut);font-size:14px;margin-bottom:14px}
.card .go{color:var(--gold);font-weight:600;font-size:14px}
.hero{background:var(--dark);color:#fff;border-radius:18px;padding:56px 44px;margin-bottom:34px;
 background-image:radial-gradient(900px 400px at 80% -20%,rgba(184,134,11,.18),transparent 60%)}
.hero h1{font-size:38px;margin-bottom:14px}
.hero h1 em{color:var(--gold);font-style:normal}
.hero p{color:#aeb7c6;font-size:17px;max-width:56ch}
.grp{margin-top:30px}
.grp h2{font-size:15px;text-transform:uppercase;letter-spacing:.08em;color:var(--mut);border-bottom:1px solid var(--line);padding-bottom:8px;margin-bottom:12px}
.grp ul{list-style:none;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:8px 22px}
.grp li a{color:var(--ink);text-decoration:none;display:block;padding:8px 12px;border-radius:8px;border:1px solid transparent}
.grp li a:hover{background:#fff;border-color:var(--line)}
.grp li a:before{content:"›";color:var(--gold);margin-right:9px;font-weight:700}
.doc{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:40px 46px}
.doc h1{border-bottom:2px solid var(--gold);padding-bottom:12px;margin-bottom:20px}
.doc h2{font-size:21px;margin:28px 0 10px}
.doc h3{font-size:17px;margin:20px 0 8px}
.doc p,.doc li{color:#2a313c}
.doc ul,.doc ol{padding-left:22px;margin:10px 0}
.doc li{margin:4px 0}
.doc table{width:100%;border-collapse:collapse;margin:16px 0;font-size:14.5px}
.doc th,.doc td{border:1px solid var(--line);padding:8px 11px;text-align:left;vertical-align:top}
.doc th{background:#f0f2f5}
.doc code{background:#eef0f4;padding:1px 6px;border-radius:5px;font-size:.9em}
.doc blockquote{border-left:3px solid var(--gold);background:#fbf7ee;padding:10px 16px;margin:14px 0;color:#4a4030}
.doc hr{border:0;border-top:1px solid var(--line);margin:26px 0}
.doc a{color:var(--gold)}
footer{text-align:center;color:var(--mut);font-size:13px;padding:30px 20px;border-top:1px solid var(--line)}
footer a{color:var(--mut)}
@media(max-width:600px){.doc{padding:26px 20px}.hero{padding:40px 26px}.hero h1{font-size:30px}}