:root {
  --bg: #fbf8f4;
  --ink: #1d1a17;
  --soft: #6b635b;
  --line: #e7dfd5;
  --gold: #a8740f;
  --card: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141318;
    --ink: #f3efe9;
    --soft: #a8a09a;
    --line: #2a2730;
    --gold: #f2c45a;
    --card: #1c1a21;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 56px 20px 80px; }
.mark { display: inline-flex; align-items: center; gap: 10px; color: var(--soft); text-decoration: none; font-weight: 600; font-size: 15px; }
.mark svg { width: 30px; height: auto; }
h1, h2 { font-family: ui-serif, "New York", Georgia, serif; font-weight: 600; line-height: 1.2; }
h1 { font-size: 40px; margin: 28px 0 6px; }
h2 { font-size: 23px; margin: 40px 0 8px; }
.updated { color: var(--soft); font-size: 15px; margin: 0 0 28px; }
.lead { font-size: 19px; }
p, li { color: var(--ink); }
ul { padding-left: 22px; }
li { margin: 6px 0; }
a { color: var(--gold); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 18px 20px; margin: 20px 0; }
.card p { margin: 0; }
details { border-top: 1px solid var(--line); padding: 14px 0; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 600; }
footer { margin-top: 56px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--soft); font-size: 14px; }
footer a { color: var(--soft); margin-right: 16px; }