:root {
  --bg: #ffffff;
  --surface: #f5f7fa;
  --text: #172b4d;
  --muted: #5e6c84;
  --accent: #0b66e4;
  --accent-2: #1f845a;
  --border: #dfe1e6;
  --radius: 10px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #161a1d;
    --surface: #1f2428;
    --text: #dee4ea;
    --muted: #9fadbc;
    --accent: #579dff;
    --accent-2: #4bce97;
    --border: #2c333a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
a { color: var(--accent); }
.wrap { max-width: 880px; margin: 0 auto; padding: 0 16px; }
header.site { border-bottom: 1px solid var(--border); }
header.site .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--text); text-decoration: none; }
.brand svg { width: 28px; height: 28px; }
nav a { color: var(--muted); text-decoration: none; margin-left: 16px; font-size: 15px; }
nav a:first-child { margin-left: 0; }
nav a:hover { color: var(--text); }
main { padding: 40px 0 56px; }
h1 { font-size: 34px; line-height: 1.2; margin: 0 0 12px; }
h2 { font-size: 22px; margin: 36px 0 10px; }
h3 { font-size: 18px; margin: 24px 0 8px; }
.lede { font-size: 19px; color: var(--muted); margin: 0 0 24px; max-width: 680px; }
.cta { display: inline-block; background: var(--accent); color: #fff; padding: 11px 20px; border-radius: 8px; font-weight: 600; text-decoration: none; }
.cta:hover { filter: brightness(1.08); }
.note { color: var(--muted); font-size: 14px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin: 24px 0; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.card h3 { margin-top: 0; }
.card p { margin: 0 0 12px; }
ul.checks { padding-left: 20px; }
ul.checks li { margin: 6px 0; }
table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 15px; }
th, td { text-align: left; padding: 8px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
.table-scroll { overflow-x: auto; }
footer { border-top: 1px solid var(--border); padding: 24px 0 40px; color: var(--muted); font-size: 14px; }
footer a { color: var(--muted); }
code { background: var(--surface); padding: 1px 5px; border-radius: 4px; font-size: 14px; }