:root{
  --bg:#f6f1e7;
  --paper:#fffdf8;
  --ink:#2f2a24;
  --muted:#74685b;
  --line:#ded3c2;
  --link:#6a4b2f;
  --link-dot:#a88a68;
  --shadow:rgba(60,40,20,.08);
}
@media(prefers-color-scheme:dark){
  :root{
    --bg:#1a1a1a;
    --paper:#242424;
    --ink:#e0dcd6;
    --muted:#9a9088;
    --line:#3a3632;
    --link:#c9a87c;
    --link-dot:#8a7560;
    --shadow:rgba(0,0,0,.3);
  }
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Serif SC","Songti SC","STSong",serif;line-height:1.8}
.wrap{max-width:820px;margin:40px auto;padding:0 16px}
.paper{background:var(--paper);border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 30px var(--shadow);padding:36px 34px}
h1,h2{font-weight:600;letter-spacing:.3px}
h1{margin:0 0 6px;font-size:34px}
h2{margin:0 0 12px;font-size:24px}
.sub{color:var(--muted);margin-bottom:28px}
a{color:var(--link);text-decoration:none;border-bottom:1px dotted var(--link-dot)}
a:hover{opacity:.8}
.list{padding-left:18px;margin:0}
.list li{margin:10px 0}
hr{border:none;border-top:1px solid var(--line);margin:28px 0}
footer{margin-top:26px;color:var(--muted);font-size:14px}
.meta{font-size:14px;color:var(--muted)}
blockquote{border-left:3px solid var(--line);padding-left:16px;color:var(--muted);margin:20px 0}
code{background:var(--line);padding:2px 6px;border-radius:4px;font-size:0.9em}