:root{--bg:#ffffff;--ink:#14202e;--muted:#5a6878;--line:#dde3ea;--tint:#f2f6fa;--brand:#0f1c2b;--accent:#2f6fb0;--accent-ink:#ffffff}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){--bg:#0d1621;--ink:#e6edf4;--muted:#9fb0c2;--line:#22313f;--tint:#132131;--brand:#0a121b;--accent:#66b2ff;--accent-ink:#0b1622}}
:root[data-theme="dark"]{--bg:#0d1621;--ink:#e6edf4;--muted:#9fb0c2;--line:#22313f;--tint:#132131;--brand:#0a121b;--accent:#66b2ff;--accent-ink:#0b1622}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif}
a{color:var(--accent)}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
header.site{background:var(--brand);color:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:60px;flex-wrap:wrap}
header.site a.mark{color:#fff;text-decoration:none;font-weight:700;font-size:1.15rem;letter-spacing:.2px}
header.site a.mark span{color:#66b2ff}
header.site nav{display:flex;gap:16px;flex-wrap:wrap}
header.site nav a{color:#c9d8e8;text-decoration:none;font-size:.95rem}
header.site nav a[aria-current="page"],header.site nav a:hover{color:#fff;text-decoration:underline}
main{padding:32px 0 48px}
h1{font-size:2rem;line-height:1.2;margin:0 0 8px}
h2{font-size:1.25rem;margin:32px 0 8px}
h3{font-size:1.05rem;margin:20px 0 6px}
.meta{color:var(--muted);font-size:.95rem;margin:0 0 24px}
.lead{font-size:1.1rem}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:.95rem}
th,td{text-align:left;vertical-align:top;padding:10px 12px;border-bottom:1px solid var(--line)}
th{background:var(--tint)}
.table{overflow-x:auto}
.box{background:var(--tint);border:1px solid var(--line);border-radius:10px;padding:14px 18px;margin:16px 0}
.steps{padding-left:22px}
.steps li{margin:6px 0}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px;margin:24px 0}
.cards a{display:block;border:1px solid var(--line);border-radius:10px;padding:16px;text-decoration:none;color:var(--ink);background:var(--tint)}
.cards a strong{display:block;color:var(--accent);margin-bottom:4px}
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;padding:20px 0 32px}
footer.site p{margin:4px 0}