:root {
  color-scheme: light dark;
  --bg: #ffffff;
  --fg: #1d1d1f;
  --muted: #6e6e73;
  --rule: #e3e3e6;
  --link: #0066cc;
  --chip: rgba(127, 127, 127, 0.08);
  --maxw: 720px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1c1e;
    --fg: #f2f2f7;
    --muted: #9a9aa0;
    --rule: #38383a;
    --link: #4ea1ff;
    --chip: rgba(127, 127, 127, 0.16);
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 17px;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 32px 20px 80px; }
header.site { border-bottom: 1px solid var(--rule); padding-bottom: 16px; margin-bottom: 24px; }
header.site .app { font-size: 15px; color: var(--muted); margin: 0 0 6px; }
h1 { font-size: 28px; line-height: 1.2; margin: 0 0 8px; }
.updated { color: var(--muted); font-size: 14px; margin: 0; }
h2 { font-size: 20px; margin: 34px 0 10px; }
h3 { font-size: 17px; margin: 22px 0 6px; }
p, li { font-size: 17px; }
.lead { font-size: 18px; }
a { color: var(--link); }
ul { padding-left: 22px; }
code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 0.9em; }
.entity {
  background: var(--chip);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 14px 16px;
  margin: 20px 0;
  font-size: 15px;
  line-height: 1.5;
}
footer.site {
  margin-top: 56px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 14px;
  color: var(--muted);
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.home { display: flex; flex-direction: column; gap: 14px; margin-top: 28px; }
.home a {
  display: block;
  padding: 16px 18px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  text-decoration: none;
  font-size: 18px;
  font-weight: 600;
}
@media (max-width: 480px) {
  body { font-size: 16px; }
  h1 { font-size: 24px; }
  .wrap { padding: 24px 16px 64px; }
}
.langbar {
  display: flex; flex-wrap: wrap; gap: 6px 14px;
  margin: 0 0 20px; padding-bottom: 14px;
  border-bottom: 1px solid var(--rule);
  font-size: 14px;
}
.langbar a { color: var(--link); text-decoration: none; }
.langbar a:hover { text-decoration: underline; }
.langbar .cur { color: var(--fg); font-weight: 600; }
.transnote {
  background: var(--chip);
  border: 1px solid var(--rule);
  border-radius: 10px;
  padding: 10px 14px;
  margin: 18px 0;
  font-size: 14px;
  color: var(--muted);
}
@media print {
  :root { --bg: #fff; --fg: #000; --link: #000; --chip: #f4f4f4; }
  a { text-decoration: underline; }
  .wrap { max-width: none; }
  .langbar { display: none; }
}