:root {
  --bg: #fbfbf9;
  --fg: #23272b;
  --muted: #6d757d;
  --line: #e6e4de;
  --accent: #3f6f9f;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16181a;
    --fg: #d8dbde;
    --muted: #8b939a;
    --line: #2a2e32;
    --accent: #8fb3d9;
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  padding: 0 20px 64px;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", "Source Han Sans SC", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

.wrap { max-width: 720px; margin: 0 auto; }

header.site { padding: 56px 0 32px; border-bottom: 1px solid var(--line); margin-bottom: 40px; }
header.site h1 { margin: 0 0 6px; font-size: 26px; font-weight: 600; letter-spacing: .5px; }
header.site h1 a { color: var(--fg); text-decoration: none; }
header.site p { margin: 0; color: var(--muted); font-size: 14px; }

nav { margin-top: 18px; }
nav a { color: var(--muted); text-decoration: none; font-size: 14px; margin-right: 20px; }
nav a:hover { color: var(--accent); }

article.post { margin-bottom: 44px; }
article.post h2 { margin: 0 0 4px; font-size: 20px; font-weight: 600; line-height: 1.5; }
article.post h2 a { color: var(--fg); text-decoration: none; }
article.post h2 a:hover { color: var(--accent); }
article.post .meta { color: var(--muted); font-size: 13px; margin-bottom: 10px; }
article.post p { margin: 0 0 12px; }
article.post .more { font-size: 14px; }
article.post .more a { color: var(--accent); text-decoration: none; }

.post-body h1 { font-size: 24px; font-weight: 600; margin: 0 0 6px; }
.post-body .meta { color: var(--muted); font-size: 13px; margin-bottom: 28px; }
.post-body h2 { font-size: 18px; margin: 32px 0 10px; }
.post-body p { margin: 0 0 16px; }
.post-body ul, .post-body ol { padding-left: 22px; margin: 0 0 16px; }
.post-body li { margin-bottom: 6px; }
.post-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 14px;
  background: rgba(127, 127, 127, .12);
  padding: 2px 5px;
  border-radius: 3px;
}
.post-body pre {
  background: rgba(127, 127, 127, .1);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 14px 16px;
  overflow-x: auto;
  font-size: 13px;
  line-height: 1.65;
}
.post-body pre code { background: none; padding: 0; }
.post-body blockquote {
  margin: 0 0 16px;
  padding: 2px 0 2px 16px;
  border-left: 3px solid var(--line);
  color: var(--muted);
}

.back { font-size: 14px; margin-top: 40px; }
.back a { color: var(--accent); text-decoration: none; }

footer.site {
  margin-top: 64px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

a { color: var(--accent); }