:root{--bg:#fbfaf7;--fg:#1d1c1a;--muted:#6b675f;--accent:#2f6f5e;--line:#e6e2d9}
@media (prefers-color-scheme:dark){:root{--bg:#161614;--fg:#ecebe6;--muted:#a19c91;--accent:#7cc4ad;--line:#2c2b27}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 Georgia,"Times New Roman",serif}
.wrap{max-width:680px;margin:0 auto;padding:48px 20px 64px}
header{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:36px}
header a.brand{font-weight:bold;font-size:20px;color:var(--fg);text-decoration:none}
nav a{margin-left:18px;color:var(--muted);text-decoration:none;font:15px system-ui,sans-serif}
nav a:hover,a{color:var(--accent)}
h1{font-size:30px;line-height:1.25;margin:0 0 8px}
h2{font-size:21px;margin:36px 0 4px}
.date{color:var(--muted);font:14px system-ui,sans-serif}
article{margin-bottom:30px}
footer{margin-top:56px;border-top:1px solid var(--line);padding-top:14px;color:var(--muted);font:14px system-ui,sans-serif}
article img{display:block;max-width:100%;height:auto;border-radius:8px;margin:14px 0}
blockquote{margin:14px 0;padding:2px 16px;border-left:3px solid var(--accent);color:var(--muted)}
pre,code{font:14px/1.5 ui-monospace,Menlo,monospace}
pre{overflow-x:auto;background:var(--line);padding:12px;border-radius:6px}