:root{
  --bg:#faf9f7;
  --surface:#ffffff;
  --ink:#1b1b1a;
  --ink-2:#45443f;
  --ink-3:#8b8a83;
  --line:#e5e1d9;
  --line-2:#d2cec4;
  --accent:#1c3d5a;
  --accent-soft:#eef2f6;
  --serif:"Songti SC","Source Han Serif SC","Noto Serif SC",Georgia,"Times New Roman",serif;
  --sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  min-height:100vh;
  display:flex;
  flex-direction:column;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
}
main{flex:1 0 auto}
a{color:inherit;text-decoration:none}
.wrap{max-width:760px;margin:0 auto;padding:0 24px;width:100%}

.site-header{
  position:sticky;top:0;z-index:10;
  background:rgba(250,249,247,.9);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(1.4) blur(6px);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:62px}
.brand{font-family:var(--serif);font-size:19px;letter-spacing:.03em}
.nav{display:flex;gap:22px;font-size:14.5px;color:var(--ink-2)}
.nav a{padding:4px 0;border-bottom:1px solid transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--line-2)}
.nav a.active{color:var(--ink);border-bottom-color:var(--accent)}

.hero{padding:64px 0 40px}
.hero h1{font-family:var(--serif);font-size:30px;line-height:1.5;font-weight:400;margin:0 0 16px}
.hero-sub{margin:0;color:var(--ink-2);max-width:580px}

.list-head{display:flex;align-items:baseline;justify-content:space-between;border-top:1px solid var(--line);padding-top:20px;margin-bottom:4px}
.list-head h2{font-size:14px;font-weight:400;letter-spacing:.16em;color:var(--ink-3);margin:0}
.count{font-size:13px;color:var(--ink-3)}

.post-list{list-style:none;margin:0 0 84px;padding:0}
.post-item{border-bottom:1px solid var(--line);list-style:none}
.post-link{display:block;padding:24px 4px;transition:background .15s ease}
.post-link:hover{background:var(--surface)}
.post-link time{display:block;font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums}
.post-link h3{font-family:var(--serif);font-size:21px;font-weight:400;margin:6px 0 8px;line-height:1.5}
.post-link p{margin:0;color:var(--ink-2);font-size:15px}
.tags{margin-top:10px;display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:12px;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 10px}
.empty{color:var(--ink-3);padding:32px 4px;font-size:15px}

.article{padding:56px 0 20px}
.article-head{border-bottom:1px solid var(--line);padding-bottom:20px;margin-bottom:32px}
.article-head h1{font-family:var(--serif);font-size:30px;font-weight:400;line-height:1.5;margin:0 0 12px}
.article-meta{font-size:13px;color:var(--ink-3);display:flex;gap:14px;align-items:center;flex-wrap:wrap}

.prose{font-size:16.5px;line-height:1.95;color:#26251f}
.prose h1{font-family:var(--serif);font-size:26px;font-weight:400;margin:0 0 16px}
.prose h2{font-family:var(--serif);font-size:22px;font-weight:400;margin:44px 0 14px}
.prose h3{font-size:17px;font-weight:500;margin:32px 0 10px}
.prose p{margin:0 0 20px}
.prose strong{font-weight:500}
.prose a{color:var(--accent);border-bottom:1px solid rgba(28,61,90,.3)}
.prose ul,.prose ol{padding-left:22px;margin:0 0 20px}
.prose li{margin:6px 0}
.prose li:has(> input[type="checkbox"]){list-style:none;margin-left:-18px}
.prose input[type="checkbox"]{margin-right:8px;vertical-align:-1px}
.prose blockquote{margin:0 0 20px;padding:2px 0 2px 18px;border-left:2px solid var(--line-2);color:var(--ink-2)}
.prose code{font-family:ui-monospace,Consolas,"Courier New",monospace;font-size:.9em;background:#f1efe9;padding:1px 5px;border-radius:4px}
.prose pre{background:#f1efe9;padding:16px 18px;border-radius:8px;overflow:auto;font-size:13.5px;line-height:1.7}
.prose pre code{background:none;padding:0}
.prose img{max-width:100%;height:auto;border-radius:8px}
.prose hr{border:0;border-top:1px solid var(--line);margin:36px 0}
.prose table{width:100%;border-collapse:collapse;font-size:14.5px;margin:0 0 20px}
.prose th,.prose td{border-bottom:1px solid var(--line);padding:9px 10px;text-align:left}

.back{margin:0 0 72px;font-size:14.5px;color:var(--ink-3)}
.back a{color:var(--accent)}

.about{padding:56px 0 12px}
.about h1{font-family:var(--serif);font-size:28px;font-weight:400;margin:0 0 22px}
.about h2{font-family:var(--serif);font-size:19px;font-weight:400;margin:38px 0 12px}
.about p,.about li{color:#26251f}
.about ul{padding-left:22px}
.about .muted{color:var(--ink-3);font-size:14px;line-height:1.75}

.site-footer{border-top:1px solid var(--line);padding:26px 0 40px;font-size:13px;color:var(--ink-3)}
.site-footer .dot{margin:0 8px}
.site-footer a{border-bottom:1px solid transparent}
.site-footer a:hover{border-bottom-color:var(--line-2)}

@media (max-width:640px){
  .hero{padding:44px 0 28px}
  .hero h1{font-size:25px}
  .post-link h3{font-size:19px}
  .article{padding:36px 0 16px}
  .article-head h1{font-size:24px}
  .prose{font-size:16px}
  .prose h2{font-size:20px}
}