:root{--bg:#fdfdfc;--fg:#222;--muted:#777;--accent:#2f6f5e;--line:#e6e4df;--code:#f3f2ee}
@media (prefers-color-scheme:dark){:root{--bg:#1b1c1e;--fg:#ddd;--muted:#999;--accent:#7cc3ad;--line:#333;--code:#26272a}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.75 -apple-system,"PingFang SC","Microsoft YaHei",sans-serif}
.wrap{max-width:720px;margin:0 auto;padding:32px 16px 64px}
header{display:flex;justify-content:space-between;align-items:baseline;border-bottom:1px solid var(--line);padding-bottom:12px;margin-bottom:28px}
header a.logo{font-weight:700;font-size:20px;color:var(--fg);text-decoration:none}
nav a{margin-left:16px;color:var(--muted);text-decoration:none}
nav a:hover,a{color:var(--accent)}
.post-list{list-style:none;padding:0}
.post-list li{margin:0 0 22px}
.post-list a{font-size:18px;text-decoration:none}
.meta{color:var(--muted);font-size:14px}
pre,code{background:var(--code);border-radius:4px;font-family:Menlo,Consolas,monospace;font-size:14px}
code{padding:1px 4px}pre{padding:12px;overflow-x:auto}pre code{padding:0}
h1{font-size:26px;line-height:1.4}h2{font-size:20px;margin-top:32px}
footer{margin-top:56px;border-top:1px solid var(--line);padding-top:12px;color:var(--muted);font-size:13px}