:root{--bg:#0b1020;--panel:#121a33;--line:#24305a;--fg:#e9edf7;--muted:#a7b0c8;--accent:#6ea8ff;--accent2:#ffd36e}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
a{color:var(--accent)}
a:hover{color:#9cc3ff}
header.site{border-bottom:1px solid var(--line);background:rgba(11,16,32,.9);position:sticky;top:0;z-index:5;backdrop-filter:blur(6px)}
header.site .wrap{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;color:var(--fg);text-decoration:none;font-weight:700;font-size:1.1rem}
.brand svg{width:30px;height:30px}
nav.main{display:flex;gap:18px;flex-wrap:wrap;margin-left:auto}
nav.main a{color:var(--muted);text-decoration:none;font-size:.95rem}
nav.main a:hover,nav.main a[aria-current]{color:var(--fg)}
.wrap{max-width:900px;margin:0 auto;padding:0 16px}
main{padding:36px 0 64px}
h1{font-size:2rem;line-height:1.25;margin:0 0 12px}
h2{font-size:1.4rem;margin:40px 0 10px}
h3{font-size:1.1rem;margin:26px 0 6px}
p,li{color:var(--fg)}
.lead{font-size:1.15rem;color:var(--muted);margin-bottom:24px}
.muted{color:var(--muted)}
.crumbs{font-size:.9rem;color:var(--muted);margin-bottom:14px}
.crumbs a{color:var(--muted)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:20px 0}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px}
.card h3{margin-top:0}
.card p{margin:0 0 10px;color:var(--muted)}
.tag{display:inline-block;font-size:.8rem;padding:2px 10px;border-radius:999px;background:#1d2a52;color:var(--accent2);margin-bottom:8px}
ol.steps{padding-left:22px}
ol.steps li{margin:0 0 10px}
.note{border-left:3px solid var(--accent2);background:#151d39;padding:12px 16px;border-radius:0 10px 10px 0;margin:18px 0}
code,kbd{background:#1a2445;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:.92em}
table{border-collapse:collapse;width:100%;margin:14px 0}
th,td{border-bottom:1px solid var(--line);padding:8px 6px;text-align:left;vertical-align:top}
th{color:var(--muted);font-weight:600}
.btn{display:inline-block;background:var(--accent);color:#0b1020;text-decoration:none;font-weight:700;padding:10px 18px;border-radius:10px;margin:6px 8px 6px 0}
.btn.ghost{background:transparent;color:var(--fg);border:1px solid var(--line)}
.hero{padding:20px 0 10px}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:24px 0 40px}
footer.site a{color:var(--muted)}
footer.site .cols{display:flex;gap:24px;flex-wrap:wrap;justify-content:space-between}
@media (max-width:600px){h1{font-size:1.6rem}nav.main{margin-left:0}}