:root{
  --bg:#fbfaf8; --fg:#1a1a1a; --muted:#6b6b6b; --rule:#e5e0d7;
  --accent:#2f6f4f; --code-bg:#f3f0ea; --code-border:#e6e1d8; --inline-bg:#eeeae2;
}
@media (prefers-color-scheme:dark){
  :root{--bg:#0f1113;--fg:#e6e3de;--muted:#9a958d;--rule:#252a2d;
        --accent:#7fb79a;--code-bg:#161a1c;--code-border:#232a2d;--inline-bg:#1c2225;}
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--fg);
  font:17px/1.75 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
.wrap{max-width:720px;margin:0 auto;padding:0 24px;min-height:100vh;display:flex;flex-direction:column}
header.site{display:flex;justify-content:space-between;align-items:baseline;
  padding:30px 0 18px;border-bottom:1px solid var(--rule)}
.wordmark{font-family:Georgia,"Songti SC","Noto Serif SC",serif;font-size:21px;
  letter-spacing:.04em;color:var(--fg);text-decoration:none}
nav{display:flex;gap:22px;font-size:13px;letter-spacing:.06em}
nav a{color:var(--muted);text-decoration:none}
nav a:hover{color:var(--fg)}
main{flex:1;padding:46px 0 72px}
.intro{font-size:20px;line-height:1.65;color:var(--muted);margin:0 0 2.2em;max-width:32em}
ul.posts{list-style:none;margin:0;padding:0}
ul.posts li{padding:24px 0;border-bottom:1px solid var(--rule)}
ul.posts li:first-child{padding-top:4px}
.date{font-family:ui-monospace,SFMono-Regular,"SF Mono",Consolas,monospace;
  font-size:12px;color:var(--muted);letter-spacing:.05em}
ul.posts h2{margin:.32em 0 .28em;font-size:22px;line-height:1.4;font-weight:600;letter-spacing:-.005em}
ul.posts h2 a{color:var(--fg);text-decoration:none}
ul.posts h2 a:hover{color:var(--accent)}
p.summary{margin:0;color:var(--muted);font-size:15px;line-height:1.65}
.pager{display:flex;justify-content:space-between;margin:46px 0 0;font-size:14px}
.pager a{color:var(--muted);text-decoration:none}
.pager a:hover{color:var(--fg)}
.pager .spacer{flex:1}
article h1{font-size:34px;line-height:1.28;margin:.15em 0 .45em;letter-spacing:-.015em;font-weight:650}
article .meta{font-size:13px;color:var(--muted);margin:0 0 2.4em;padding-bottom:1.5em;
  border-bottom:1px solid var(--rule)}
article .meta .tag{margin-left:.6em;padding-left:.7em;border-left:1px solid var(--rule)}
article p{margin:0 0 1.2em}
article h2{font-size:22px;margin:2.3em 0 .65em;letter-spacing:-.01em}
article ul,article ol{margin:0 0 1.3em;padding-left:1.35em}
article li{margin:.35em 0}
article a{color:var(--accent);text-decoration:underline;text-decoration-thickness:1px;
  text-underline-offset:3px;text-decoration-color:rgba(127,140,132,.5)}
pre{background:var(--code-bg);border:1px solid var(--code-border);border-radius:8px;
  padding:15px 17px;overflow-x:auto;font-size:13.5px;line-height:1.62;margin:0 0 1.4em}
code{font-family:ui-monospace,SFMono-Regular,"SF Mono",Consolas,monospace;font-size:.9em}
p code,li code{background:var(--inline-bg);border-radius:4px;padding:.06em .32em;font-size:.88em}
pre code{background:none;border:0;padding:0;font-size:inherit}
blockquote{margin:0 0 1.3em;padding-left:1.1em;border-left:3px solid var(--rule);color:var(--muted)}
.postnav{display:flex;justify-content:space-between;gap:24px;margin:56px 0 0;
  padding-top:22px;border-top:1px solid var(--rule);font-size:14px}
.postnav a{color:var(--muted);text-decoration:none;max-width:46%}
.postnav a:hover{color:var(--fg)}
.postnav .next{text-align:right;margin-left:auto}
.archive h2{font-size:15px;letter-spacing:.06em;color:var(--muted);margin:2.6em 0 .4em;font-weight:600}
.archive ul{list-style:none;margin:0;padding:0}
.archive li{display:flex;gap:18px;align-items:baseline;padding:8px 0;border-bottom:1px solid var(--rule)}
.archive li a{color:var(--fg);text-decoration:none}
.archive li a:hover{color:var(--accent)}
.archive .date{flex:0 0 auto;width:84px}
footer.site{border-top:1px solid var(--rule);padding:24px 0 44px;font-size:13px;
  color:var(--muted);display:flex;justify-content:space-between;align-items:baseline}
footer a{color:var(--muted);text-decoration:none}
footer a:hover{color:var(--fg)}
::selection{background:rgba(47,111,79,.18)}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 20px}
  main{padding:34px 0 52px}
  article h1{font-size:27px}
  ul.posts h2{font-size:20px}
  .archive li{flex-direction:column;gap:2px}
  .archive .date{width:auto}
}