:root { --fg: #24292f; --muted: #6a737d; --line: #e1e4e8; --link: #0366d6; --bg: #ffffff; }
@media (prefers-color-scheme: dark) {
  :root { --fg: #e6edf3; --muted: #8b949e; --line: #30363d; --link: #58a6ff; --bg: #0d1117; }
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif; color: var(--fg); background: var(--bg); line-height: 1.75; }
.wrap { max-width: 720px; margin: 0 auto; padding: 0 20px; }
.site-header { border-bottom: 1px solid var(--line); padding: 18px 0; margin-bottom: 36px; }
.site-header .wrap { display: flex; justify-content: space-between; align-items: baseline; }
.site-title { font-size: 22px; font-weight: 700; color: var(--fg); text-decoration: none; }
.site-header nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
.site-header nav a:hover { color: var(--link); }
.subtitle { color: var(--muted); margin-top: -8px; }
.section-title { font-size: 19px; margin: 24px 0 12px; }
.post-list { list-style: none; padding: 0; }
.post-list li { padding: 7px 0; border-bottom: 1px dashed var(--line); }
.post-list a { color: var(--fg); text-decoration: none; }
.post-list a:hover { color: var(--link); }
.post-date { color: var(--muted); font-size: 14px; margin-right: 14px; font-variant-numeric: tabular-nums; }
.post-meta { color: var(--muted); font-size: 14px; margin-top: -6px; }
article h1 { font-size: 27px; line-height: 1.4; margin-bottom: 6px; }
.content p { margin: 14px 0; }
.content code { background: rgba(127,127,127,.14); padding: 1px 5px; border-radius: 4px; font-size: 90%; }
.content pre { background: rgba(127,127,127,.12); padding: 12px 14px; border-radius: 6px; overflow-x: auto; }
.content pre code { background: none; padding: 0; }
.site-footer { border-top: 1px solid var(--line); margin-top: 56px; padding: 18px 0 30px; color: var(--muted); font-size: 14px; }
a { color: var(--link); }