:root {
  --fg: #1a1a1a;
  --bg: #fdfdfa;
  --muted: #777;
  --accent: #b86b3c;
  --rule: #ddd;
  --code-bg: #f3f1ec;
}
@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e6e2dc;
    --bg: #1c1b18;
    --muted: #888;
    --accent: #d49870;
    --rule: #333;
    --code-bg: #2a2925;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Source Han Sans CN", "Noto Sans CJK SC",
    "Microsoft YaHei", sans-serif;
  font-size: 17px;
  line-height: 1.75;
  color: var(--fg);
  background: var(--bg);
  max-width: 38rem;
  margin: 0 auto;
  padding: 3rem 1.25rem 6rem;
}

header { margin-bottom: 3rem; }
header .site {
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--muted);
}
header .site a { color: inherit; text-decoration: none; }
header .site a:hover { color: var(--fg); }

h1 { font-size: 1.6rem; line-height: 1.35; margin: 0 0 0.4em; font-weight: 600; }
h2 { font-size: 1.15rem; margin: 2em 0 0.6em; font-weight: 600; }
h3 { font-size: 1rem; margin: 1.6em 0 0.4em; font-weight: 600; color: var(--muted); }

p { margin: 1em 0; }
a { color: var(--accent); text-decoration: none; border-bottom: 1px solid currentColor; }
a:hover { opacity: 0.7; }

ul, ol { padding-left: 1.4em; }
li { margin: 0.3em 0; }

blockquote {
  border-left: 3px solid var(--rule);
  padding: 0.1em 1em;
  margin: 1.5em 0;
  color: var(--muted);
  font-style: italic;
}

code {
  background: var(--code-bg);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  font-family: ui-monospace, "SF Mono", "Cascadia Mono", Menlo, monospace;
  font-size: 0.92em;
}
pre {
  background: var(--code-bg);
  padding: 0.9em 1em;
  border-radius: 4px;
  overflow-x: auto;
  font-size: 0.88em;
  line-height: 1.55;
}
pre code { background: none; padding: 0; font-size: 1em; }

hr { border: none; border-top: 1px solid var(--rule); margin: 3em 0; }

.meta { color: var(--muted); font-size: 0.9rem; margin-bottom: 2em; }

.post-list { list-style: none; padding: 0; }
.post-list li { margin: 1.6em 0; }
.post-list .title { display: block; font-size: 1.1rem; font-weight: 500; }
.post-list .desc { display: block; color: var(--muted); margin-top: 0.3em; }
.post-list .date { color: var(--muted); font-size: 0.88rem; }

footer {
  margin-top: 5rem;
  padding-top: 1.5em;
  border-top: 1px solid var(--rule);
  color: var(--muted);
  font-size: 0.88rem;
}