:root{--bg:#fbfbfa;--fg:#1c1c1a;--muted:#6b6b66;--line:#e6e6e2;--accent:#3b5bdb}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
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}
.wrap{max-width:720px;margin:0 auto;padding:0 24px}
header{padding:48px 0 32px}
.brand{display:flex;align-items:center;gap:10px;font-weight:650;letter-spacing:.02em;text-decoration:none;color:var(--fg)}
.mark{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,#3b5bdb,#7c5cff)}
nav{margin-top:18px;display:flex;gap:20px;font-size:14px}
nav a{color:var(--muted);text-decoration:none}
nav a:hover{color:var(--fg)}
h1{font-size:30px;line-height:1.3;margin:32px 0 12px;letter-spacing:-.01em}
h2{font-size:20px;margin:36px 0 10px}
p{color:#2b2b28}
.lede{color:var(--muted);font-size:17px}
ul.posts{list-style:none;padding:0;margin:28px 0 0}
ul.posts li{padding:18px 0;border-top:1px solid var(--line)}
ul.posts li:first-child{border-top:0}
ul.posts a{text-decoration:none;color:var(--fg);font-weight:600}
ul.posts a:hover{color:var(--accent)}
.meta{display:block;color:var(--muted);font-size:13px;margin-top:4px}
article{max-width:680px}
article time{color:var(--muted);font-size:14px}
code{background:#f1f1ee;padding:1px 5px;border-radius:4px;font-size:14px}
pre{background:#f1f1ee;padding:14px 16px;border-radius:8px;overflow:auto;font-size:14px}
pre code{background:none;padding:0}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
footer{padding:48px 0 64px;color:var(--muted);font-size:13px}
footer a{color:var(--muted)}
.center{text-align:center;padding:96px 0}