:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --ink: #14213d;
  --text: #2b344a;
  --muted: #5b6478;
  --primary: #2546c7;
  --primary-soft: #e8edfb;
  --border: #dfe3ee;
  --accent: #b7791f;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1526;
    --surface: #16203a;
    --ink: #eef1f8;
    --text: #d5dae6;
    --muted: #9aa3b8;
    --primary: #8ea5ff;
    --primary-soft: #1d2b52;
    --border: #2a3552;
    --accent: #f2b654;
  }
}
* { 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;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }
header.site { background: var(--surface); border-bottom: 1px solid var(--border); }
header.site .wrap { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; padding-top: 12px; padding-bottom: 12px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
nav.site { display: flex; flex-wrap: wrap; gap: 4px 16px; }
nav.site a { color: var(--primary); text-decoration: none; font-weight: 600; font-size: 15px; }
nav.site a[aria-current="page"] { color: var(--ink); }
main { padding-top: 28px; padding-bottom: 40px; }
h1 { color: var(--ink); font-size: 30px; line-height: 1.2; margin: 8px 0 4px; }
h2 { color: var(--ink); font-size: 20px; line-height: 1.3; margin: 32px 0 8px; }
a { color: var(--primary); }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 20px; }
.lead { font-size: 17px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 4px 18px; }
.note { background: var(--primary-soft); border-radius: 14px; padding: 4px 18px; }
ul, ol { padding-left: 22px; }
li { margin: 4px 0; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 8px 10px; border-bottom: 1px solid var(--border); }
th { color: var(--ink); }
.table-scroll { overflow-x: auto; }
.contact { font-size: 18px; font-weight: 600; }
footer.site { border-top: 1px solid var(--border); color: var(--muted); font-size: 14px; padding: 18px 0 32px; }
footer.site a { color: var(--muted); }