:root { color-scheme: light; --ink:#1d2433; --soft:#4a5368; --line:#e2e5ea; --gold:#9b1c4a; --navy:#101418; --paper:#f6f7f9; }
* { box-sizing: border-box; }
body { margin:0; background:var(--paper); color:var(--ink); font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; }
.top { background:var(--navy); color:#f3e6c8; }
.top .in { max-width:880px; margin:0 auto; padding:22px 24px; display:flex; flex-wrap:wrap; gap:12px 28px; align-items:center; justify-content:space-between; }
.brand { font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif; font-weight:700; letter-spacing:.02em; font-size:19px; color:#ffffff; text-decoration:none; }
.top nav a { color:#f3e6c8; text-decoration:none; font-size:14px; margin-left:20px; opacity:.92; }
.top nav a:first-child { margin-left:0; }
.top nav a:hover, .top nav a[aria-current] { opacity:1; text-decoration:underline; text-underline-offset:4px; }
main { max-width:880px; margin:0 auto; padding:48px 24px 72px; }
.card { background:#fff; border:1px solid var(--line); border-radius:14px; padding:40px 44px; }
h1 { font-weight:700; letter-spacing:-.01em; font-size:34px; line-height:1.2; margin:0 0 6px; }
.updated { color:var(--soft); font-size:14px; margin:0 0 24px; }
h2 { font-size:19px; margin:36px 0 10px; }
h3 { font-size:16px; margin:22px 0 6px; }
p, li { color:#2a3142; }
ul { padding-left:22px; } li { margin:6px 0; }
a { color:var(--gold); }
.lead { background:#f3f5f8; border:1px solid #dfe3ea; border-radius:10px; padding:16px 20px; margin:8px 0 8px; }
table { width:100%; border-collapse:collapse; margin:12px 0; font-size:15px; }
th, td { text-align:left; vertical-align:top; padding:10px 12px; border:1px solid var(--line); }
th { background:#f1f3f6; }
.toc { columns:2; font-size:15px; margin:8px 0 0; }
footer { max-width:880px; margin:0 auto; padding:0 24px 48px; color:var(--soft); font-size:14px; }
@media (max-width:640px) { .card { padding:26px 20px; } h1 { font-size:27px; } .toc { columns:1; } .top nav a { margin-left:14px; } table { font-size:14px; } th, td { padding:8px; } }