:root {
  --paper: #f5f2ec;
  --ink: #1c1b19;
  --ink2: #6b6862;
  --line: #e3dfd6;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #161513;
    --ink: #ece9e2;
    --ink2: #9c988f;
    --line: #2c2a26;
  }
}
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.7 -apple-system, "PingFang SC", "Helvetica Neue", sans-serif;
}
main { max-width: 680px; margin: 0 auto; padding: 24px 20px 64px; }
h1 { font-size: 26px; line-height: 1.3; margin: 8px 0 4px; }
h2 { font-size: 18px; margin: 32px 0 8px; }
h3 { font-size: 16px; margin: 20px 0 4px; }
.meta, .lang { color: var(--ink2); font-size: 14px; }
.lang { text-align: right; margin: 0; }
a { color: inherit; text-underline-offset: 3px; }
ul { padding-left: 1.2em; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; vertical-align: top; padding: 10px 8px; border-top: 1px solid var(--line); }
th { width: 30%; color: var(--ink2); font-weight: 500; }