:root { color-scheme: light; }
* { box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6; color: #1c1c1e; background: #f7f8fa; margin: 0;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
header.site { background: #0f1b2d; color: #fff; padding: 16px 0; }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; }
.brand { font-size: 20px; font-weight: 700; letter-spacing: -0.3px; color: #fff; text-decoration: none; }
nav a { color: #c7d2e0; text-decoration: none; margin-left: 18px; font-size: 14px; }
nav a:hover { color: #fff; }
main { padding: 40px 0 72px; }
h1 { font-size: 30px; margin: 0 0 6px; letter-spacing: -0.5px; }
.tagline { color: #5b6370; font-size: 17px; margin: 0 0 24px; }
.updated { color: #8e8e93; font-size: 14px; margin: -2px 0 26px; }
h2 { font-size: 19px; margin: 32px 0 8px; }
h3 { font-size: 15px; margin: 18px 0 2px; font-weight: 600; }
p { color: #3a3a3c; margin: 8px 0; }
.card { background: #fff; border: 1px solid #e6e8ec; border-radius: 14px; padding: 16px 20px; margin: 14px 0; }
.card h3:first-child { margin-top: 0; }
.disclaimer { background: #fff5f5; border: 1px solid #f3c2c2; border-radius: 12px; padding: 14px 16px; color: #7a2e2e; font-size: 14px; }
a { color: #2563eb; }
.lead { font-weight: 600; color: #1c1c1e; }
footer.site { border-top: 1px solid #e6e8ec; padding: 22px 0; color: #8e8e93; font-size: 13px; }
footer.site a { color: #8e8e93; margin-right: 14px; }