:root {
  --bg: #fafaf8;
  --text: #1c1c1e;
  --dim: #5f6168;
  --line: #dedfe3;
  --card: #ffffff;
  --link: #1f5fbf;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141416;
    --text: #ececef;
    --dim: #a3a5ad;
    --line: #2f3036;
    --card: #1d1e21;
    --link: #8db6ff;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 42rem; margin: 0 auto; padding: 2.5rem 1rem 3rem; }
header.site { margin-bottom: 2.5rem; }
header.site a.name { color: var(--text); text-decoration: none; font-weight: 700; font-size: 1.05rem; }
h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 .5rem; }
h2 { font-size: 1.2rem; margin: 2.2rem 0 .5rem; }
p, ul { margin: 0 0 1rem; }
ul { padding-left: 1.25rem; }
li { margin: .3rem 0; }
a { color: var(--link); }
.lead { color: var(--dim); font-size: 1.1rem; margin-bottom: 2.5rem; }
.meta { color: var(--dim); font-size: .95rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.25rem 1.4rem;
}
.card h2 { margin: 0 0 .35rem; }
.card p:last-child { margin-bottom: 0; }
.tag {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: .1rem .7rem;
  font-size: .9rem;
  color: var(--dim);
}
.box {
  border: 1px dashed var(--line);
  border-radius: 12px;
  padding: .25rem 1.2rem 1rem;
  margin-top: 1.5rem;
}
footer.site {
  margin-top: 3.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: .92rem;
}
footer.site a { color: var(--dim); }