:root{--bg:#fff;--fg:#1a1d21;--muted:#5c6570;--line:#e3e7eb;--link:#0b63c5;--code-bg:#f5f7f9;}
@media (prefers-color-scheme:dark){:root{--bg:#15181c;--fg:#e6e9ec;--muted:#9aa4af;--line:#2a2f36;--link:#63a8f0;--code-bg:#1c2127;}}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;-webkit-text-size-adjust:100%}
.wrap{max-width:760px;margin:0 auto;padding:0 16px}
a{color:var(--link);text-decoration:none}
a:hover{text-decoration:underline}
.site-header{border-bottom:1px solid var(--line);padding:14px 0;margin-bottom:32px}
.site-header .wrap{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:baseline}
.brand{font-weight:700;font-size:19px;color:var(--fg)}
.site-header nav{display:flex;flex-wrap:wrap;gap:16px}
.site-header nav a{color:var(--muted);font-size:15px}
h1{font-size:30px;line-height:1.25;margin:0 0 16px}
h2{font-size:23px;line-height:1.3;margin:36px 0 12px}
h3{font-size:19px;margin:28px 0 10px}
.hero h1{font-size:34px}
.lead{font-size:19px;color:var(--muted);margin:0 0 8px}
.meta{color:var(--muted);font-size:14px;margin:-8px 0 26px}
.meta a{color:var(--muted)}
.muted{color:var(--muted)}
.post-list{list-style:none;padding:0;margin:0}
.post-list li{padding:18px 0;border-bottom:1px solid var(--line)}
.post-list li a{font-size:19px;font-weight:600}
.post-list time{display:block;color:var(--muted);font-size:14px;margin-top:4px}
.post-list p{margin:8px 0 0;color:var(--muted);font-size:16px}
.tag{font-size:14px}
article img{max-width:100%;height:auto;border-radius:6px}
pre{background:var(--code-bg);padding:14px;border-radius:6px;overflow-x:auto;font-size:14px;line-height:1.5}
code{background:var(--code-bg);padding:2px 5px;border-radius:4px;font-size:.9em}
pre code{background:none;padding:0}
table{border-collapse:collapse;width:100%;margin:20px 0;font-size:15px;display:block;overflow-x:auto}
th,td{border:1px solid var(--line);padding:9px 11px;text-align:left}
th{background:var(--code-bg)}
blockquote{margin:20px 0;padding:2px 0 2px 16px;border-left:3px solid var(--line);color:var(--muted)}
.site-footer{margin-top:64px;padding:24px 0;border-top:1px solid var(--line);color:var(--muted);font-size:15px}
.site-footer p{margin:4px 0}
@media (max-width:600px){body{font-size:16px}h1,.hero h1{font-size:26px}h2{font-size:21px}}