:root{--fg:#1f2328;--muted:#656d76;--bg:#fff;--link:#0b62c4;--code:#f6f8fa;--border:#d8dee4}
@media (prefers-color-scheme:dark){:root{--fg:#e6edf3;--muted:#9198a1;--bg:#0d1117;--link:#58a6ff;--code:#161b22;--border:#30363d}}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
header.site,main,footer{max-width:720px;margin:0 auto;padding-left:20px;padding-right:20px}
header.site{display:flex;justify-content:space-between;align-items:center;padding-top:28px;padding-bottom:28px}
.brand{font-weight:600;color:var(--fg);text-decoration:none}
nav a{margin-left:18px;color:var(--muted);text-decoration:none}
nav a:hover{color:var(--link)}
a{color:var(--link)}
h1{font-size:1.7em;line-height:1.3;margin:.2em 0 .3em}
h2{font-size:1.25em;margin-top:2em}
.meta{color:var(--muted);font-size:.9em;margin-bottom:2em}
pre{background:var(--code);border:1px solid var(--border);border-radius:6px;padding:14px 16px;overflow-x:auto;font-size:.88em;line-height:1.55}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace}
p code,li code{background:var(--code);padding:.1em .35em;border-radius:4px;font-size:.9em}
ul.posts{list-style:none;padding:0;margin:0}
ul.posts li{padding:18px 0;border-bottom:1px solid var(--border)}
ul.posts time{color:var(--muted);font-size:.9em;display:block}
ul.posts a{font-size:1.15em;font-weight:600;text-decoration:none}
ul.posts p{margin:.3em 0 0;color:var(--muted)}
footer{color:var(--muted);font-size:.85em;padding-top:48px;padding-bottom:40px}