:root {
  color-scheme: light;
  --ink: #151515;
  --muted: #626262;
  --line: #e5e1da;
  --paper: #fffdfa;
  --wash: #f6f4ef;
  --brand: #245f53;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--wash);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans TC", "PingFang TC", sans-serif;
  line-height: 1.78;
}
main {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  padding: 44px 0 56px;
}
a { color: var(--brand); text-underline-offset: 3px; }
.hero {
  border-bottom: 1px solid var(--line);
  padding-bottom: 24px;
  margin-bottom: 12px;
}
h1 { font-size: clamp(30px, 5vw, 54px); line-height: 1.12; margin: 0 0 12px; }
article h1 { font-size: clamp(28px, 4vw, 42px); }
h2, h3 { margin-top: 1.6em; line-height: 1.25; }
.meta, time, footer { color: var(--muted); font-size: 14px; }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}
.post-list a { font-size: 18px; font-weight: 650; }
.tag {
  display: inline-block;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 2px 9px;
  margin: 2px 6px 2px 0;
  color: var(--muted);
  font-size: 13px;
}
.content {
  background: var(--paper);
  border: 1px solid var(--line);
  padding: clamp(18px, 4vw, 40px);
  margin-top: 24px;
}
img { max-width: 100%; height: auto; }
figure { margin: 24px 0; }
blockquote { border-left: 4px solid var(--line); margin-left: 0; padding-left: 16px; color: var(--muted); }
hr { border: 0; border-top: 1px solid var(--line); margin: 28px 0; }
footer {
  width: min(860px, calc(100% - 32px));
  margin: 0 auto;
  border-top: 1px solid var(--line);
  padding: 20px 0 36px;
}
@media (max-width: 640px) {
  .post-list li { grid-template-columns: 1fr; gap: 4px; }
}