:root{--bg:#fff;--fg:#18181b;--muted:#71717a;--accent:#2563eb;--border:#e4e4e7;--code:#f4f4f5}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:720px;margin:0 auto;padding:0 24px}
header.site{border-bottom:1px solid var(--border)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:600;text-decoration:none;color:var(--fg);letter-spacing:-.01em}
nav a{color:var(--muted);text-decoration:none;margin-left:20px;font-size:15px}
nav a:hover{color:var(--fg)}
main{padding:56px 0}
h1{font-size:1.9rem;line-height:1.25;letter-spacing:-.02em;margin:0 0 10px}
h2{font-size:1.15rem;margin:40px 0 12px}
p{margin:0 0 18px}
.lead{font-size:1.08rem;color:var(--muted)}
ul.posts{list-style:none;padding:0;margin:0}
ul.posts li{padding:18px 0;border-bottom:1px solid var(--border)}
ul.posts li:last-child{border-bottom:0}
ul.posts a{color:var(--fg);text-decoration:none;font-weight:500}
ul.posts a:hover{color:var(--accent)}
.post-meta{display:block;color:var(--muted);font-size:14px;margin-top:4px}
article p{color:#27272a}
blockquote{border-left:3px solid var(--border);margin:24px 0;padding:2px 0 2px 18px;color:var(--muted)}
code{background:var(--code);padding:2px 6px;border-radius:4px;font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,monospace}
pre{background:var(--code);padding:16px;border-radius:8px;overflow:auto;font-size:14px;line-height:1.5}
pre code{background:none;padding:0}
footer.site{border-top:1px solid var(--border);padding:28px 0;color:var(--muted);font-size:14px;margin-top:40px}
a{color:var(--accent)}
@media(max-width:520px){h1{font-size:1.55rem}main{padding:36px 0}nav a{margin-left:14px}}