*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Georgia,"Noto Serif SC","Songti SC","SimSun",serif;
  color:#1a1a1a;
  background:#fff;
  line-height:2;
  -webkit-font-smoothing:antialiased;
  font-size:17px;
  letter-spacing:.02em;
}
.sans{font-family:"PingFang SC","Microsoft YaHei",system-ui,sans-serif;letter-spacing:0}
img{display:block;max-width:100%;height:auto}
a{color:#5c4033;text-decoration:none;border-bottom:1px solid rgba(92,64,51,.25)}
a:hover{color:#3d2a1f;border-bottom-color:#3d2a1f}

.col{width:min(560px,calc(100% - 48px));margin:0 auto}

.site-head{padding:36px 0 24px;text-align:center}
.head-row{display:flex;align-items:center;justify-content:space-between;gap:16px;text-align:left}
.brand{display:flex;align-items:center;gap:10px;color:#111;font-weight:600;font-size:14px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;letter-spacing:.08em;text-transform:uppercase;border-bottom:none}
.brand:hover{border-bottom:none;color:#111}
.brand img{width:32px;border-radius:6px}
.menu-btn{display:none;border:1px solid #ddd;background:#fff;padding:6px 10px;border-radius:4px;font-size:13px;cursor:pointer;font-family:inherit;color:#555}
.top-nav{display:flex;gap:16px;flex-wrap:wrap;font-family:"PingFang SC","Microsoft YaHei",sans-serif}
.top-nav a{color:#666;font-size:12px;font-weight:500;letter-spacing:.04em;border-bottom:none;text-transform:uppercase}
.top-nav a:hover{color:#111;border-bottom:none}
.mnav{display:none;flex-direction:column;padding:16px 0 8px;border-top:1px solid #f0f0f0;margin-top:16px;font-family:"PingFang SC","Microsoft YaHei",sans-serif;text-align:left}
.mnav.open{display:flex}
.mnav a{padding:10px 0;border-bottom:1px solid #f8f8f8;color:#444;font-size:14px;border-bottom-width:1px}

.book-rule{width:48px;height:1px;background:#ccc;margin:0 auto 32px}

.article{padding:8px 0 72px;text-align:left}
.article h1{
  font-size:clamp(26px,5vw,34px);
  line-height:1.45;
  font-weight:400;
  margin:0 0 28px;
  color:#111;
  text-align:center;
  letter-spacing:.04em;
}
.deck{
  font-size:clamp(16px,2.8vw,18px);
  line-height:1.75;
  color:#555;
  margin:0 0 24px;
  text-align:center;
  font-style:italic;
}
.byline{
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:12px;
  color:#999;
  text-align:center;
  padding-bottom:28px;
  margin-bottom:36px;
  border-bottom:1px solid #ececec;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.byline strong{color:#666;font-weight:500;letter-spacing:.08em}

.article h2{
  font-size:20px;
  line-height:1.5;
  margin:48px 0 16px;
  color:#222;
  font-weight:400;
  text-align:center;
  letter-spacing:.06em;
}
.article h2::before,.article h2::after{content:"— ";color:#ccc;font-weight:300}
.article h3{font-size:17px;line-height:1.5;margin:32px 0 12px;color:#333;font-weight:600;font-style:italic}
.article p{margin:0 0 20px;color:#333;font-size:17px;text-indent:2em}
.article p.no-indent{text-indent:0}
.article ul,.article ol{margin:0 0 20px;padding-left:28px;color:#333;font-size:16px}
.article li{margin-bottom:8px;line-height:1.85}
.article li::marker{color:#aaa}

.dropcap::first-letter{
  float:left;
  font-size:3.6em;
  line-height:.78;
  padding:6px 12px 0 0;
  font-weight:400;
  color:#111;
  font-family:Georgia,"Noto Serif SC",serif;
}

.verse{
  margin:36px 0;
  padding:24px 0;
  text-align:center;
  font-style:italic;
  color:#666;
  line-height:2.2;
  border-top:1px solid #eee;
  border-bottom:1px solid #eee;
}
.verse p{margin:0;text-indent:0;font-size:16px}

.pullquote{
  margin:36px 0;
  padding:20px 0;
  font-size:18px;
  line-height:1.7;
  font-style:italic;
  color:#444;
  text-align:center;
  text-indent:0!important;
}
.pullquote cite{
  display:block;
  margin-top:12px;
  font-size:11px;
  font-style:normal;
  color:#aaa;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  letter-spacing:.1em;
  text-transform:uppercase;
}

.fig{margin:32px 0;text-align:center}
.fig img{border-radius:2px;margin:0 auto;box-shadow:0 2px 16px rgba(0,0,0,.06)}
.fig figcaption{
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:12px;
  color:#999;
  margin-top:12px;
  line-height:1.6;
  letter-spacing:.04em;
}

.fig-row{display:flex;justify-content:center;gap:12px;margin:28px 0;flex-wrap:wrap}
.fig-row figure{margin:0;flex:0 0 calc(33.333% - 8px);max-width:140px}
.fig-row img{border-radius:2px;border:1px solid #f0f0f0;aspect-ratio:9/16;object-fit:cover;width:100%}
.fig-row figcaption{font-size:11px;color:#999;margin-top:6px;font-family:"PingFang SC","Microsoft YaHei",sans-serif}

.divider{text-align:center;margin:40px 0;color:#ddd;font-size:14px;letter-spacing:1em}

.note-box{
  margin:28px 0;
  padding:20px 22px;
  background:#fafafa;
  border:1px solid #f0f0f0;
  font-size:15px;
  color:#555;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  line-height:1.75;
  text-indent:0;
}
.note-box strong{display:block;margin-bottom:8px;color:#333;font-size:13px;letter-spacing:.06em}

.link-row{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:10px;
  margin:28px 0;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.link-chip{
  display:inline-block;
  padding:6px 14px;
  border:1px solid #e0e0e0;
  border-radius:20px;
  font-size:13px;
  color:#555;
  border-bottom:1px solid #e0e0e0;
}
.link-chip:hover{background:#fafafa;color:#111;border-color:#ccc}

.faq-block{margin:48px 0 0;padding-top:32px;border-top:1px solid #ececec}
.faq-block h2{font-size:18px;margin-bottom:16px}
.faq-block details{border-bottom:1px solid #f0f0f0;padding:14px 0}
.faq-block summary{
  cursor:pointer;
  font-weight:500;
  font-size:15px;
  color:#333;
  list-style:none;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
}
.faq-block summary::-webkit-details-marker{display:none}
.faq-block p{margin:10px 0 0;font-size:15px;color:#666;text-indent:0;line-height:1.75}

.prose-page{padding:32px 0 64px}
.prose-page h1{font-size:28px;line-height:1.4;margin:0 0 24px;text-align:center;font-weight:400;letter-spacing:.04em}
.prose-page h2{font-size:18px;margin:36px 0 12px;color:#333;text-align:left;font-weight:600}
.prose-page h2::before,.prose-page h2::after{content:none}
.prose-page p,.prose-page li{font-size:16px;color:#444;line-height:1.85}
.prose-page p{text-indent:2em}
.prose-page ul,.prose-page ol{padding-left:24px;margin-bottom:18px}
.related-box{
  margin-top:36px;
  padding:20px 22px;
  border:1px solid #eee;
  background:#fafafa;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  text-indent:0;
}
.related-box h3{margin:0 0 10px;font-size:12px;color:#999;letter-spacing:.08em;text-transform:uppercase}
.related-box a{display:block;padding:4px 0;font-size:14px;border-bottom:none}

.site-foot{
  padding:36px 0 48px;
  border-top:1px solid #ececec;
  font-family:"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:12px;
  color:#999;
  text-align:center;
}
.site-foot a{color:#888;margin:0 12px;border-bottom:none;letter-spacing:.04em}
.site-foot a:hover{color:#555}
.site-foot p{margin:16px 0 0;letter-spacing:.06em}

.err-page{min-height:55vh;display:grid;place-items:center;text-align:center;padding:48px 20px}
.err-page h1{font-size:48px;margin:0 0 12px;color:#ddd;font-weight:300;font-family:Georgia,serif}
.err-page p{font-size:16px;color:#888;font-family:"PingFang SC","Microsoft YaHei",sans-serif}

@media(max-width:600px){
  body{font-size:16px;line-height:1.9}
  .article h1{font-size:24px}
  .article h2{font-size:18px}
  .article p{font-size:16px}
  .head-row{flex-wrap:wrap}
  .menu-btn{display:block;margin-left:auto}
  .top-nav{display:none}
  .fig-row figure{flex:0 0 calc(50% - 6px)}
}