:root{color-scheme:light;--paper:#faf9f5;--ink:#252926;--muted:#656b66;--gold:#846222;--line:#deddd4;--card:#fff}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:2rem}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.85 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
a{color:var(--gold);text-underline-offset:.22em}a:hover{color:#4f3b12}a:focus-visible,summary:focus-visible{outline:3px solid #385b76;outline-offset:5px}
.skip{position:absolute;left:-9999px;top:.5rem;z-index:9;background:white;padding:1rem}.skip:focus{left:1rem}.wrap{max-width:1200px;margin:auto;padding:0 32px}
.masthead{border-bottom:1px solid var(--line);background:var(--paper)}.bar{display:flex;align-items:center;justify-content:space-between;gap:25px;min-height:92px}
.brand{font-family:Georgia,serif;color:var(--ink);font-size:32px;letter-spacing:-1px;font-weight:bold;text-decoration:none}.brand small{font:11px/1.4 sans-serif;letter-spacing:3px;display:block;color:var(--gold)}
nav{display:flex;gap:24px;flex-wrap:wrap}nav a{font-size:14px;text-decoration:none;color:var(--ink);padding:8px 0}
.eyebrow{font-size:12px;color:var(--gold);letter-spacing:2px;font-weight:700}.hero{padding:32px 0 24px;border-bottom:1px solid var(--line)}
h1{font-family:Georgia,"Songti SC","SimSun",serif;font-size:clamp(30px,4vw,46px);line-height:1.35;font-weight:600;letter-spacing:-.02em;margin:12px 0 16px}h2{line-height:1.5;font-size:25px;margin:40px 0 14px}h3{line-height:1.5;font-size:21px}
.dek{font-size:18px;line-height:1.8;color:var(--muted);max-width:820px;margin:0 0 26px}.stats{display:flex;gap:28px;flex-wrap:wrap;font-size:13px;color:var(--muted)}.stats strong{font-family:Georgia,serif;font-size:28px;color:var(--ink);margin-right:6px}
.disclosure{border-left:3px solid var(--gold);background:#f1eee4;padding:14px 20px;font-size:14px;line-height:1.8;margin:24px 0;color:#4d514d}.featured{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center;padding:42px 0;border-bottom:1px solid var(--line)}
.featured img{width:100%;height:auto;border:1px solid var(--line)}.featured h2{font:600 31px/1.5 Georgia,"SimSun",serif;margin:15px 0}.featured h2 a,.card h2 a{color:var(--ink);text-decoration:none}
.number{font:20px Georgia,serif;color:var(--gold)}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px;padding:28px 0 60px}.card{border-bottom:1px solid var(--line);padding-bottom:25px;min-width:0}
.card img{width:100%;height:auto;aspect-ratio:1.6;object-fit:contain;background:#fff;border:1px solid var(--line)}.card h2{font:600 22px/1.6 Georgia,"SimSun",serif;margin:12px 0}.card p{font-size:14px;line-height:1.9;color:var(--muted)}
.meta{font-size:13px;color:var(--muted)}.article-head{max-width:960px;margin:auto;padding:55px 0 25px}.article-head .dek{max-width:900px}.article-layout{display:grid;grid-template-columns:210px minmax(0,1fr);gap:50px;align-items:start;padding-bottom:70px}
.toc{position:sticky;top:25px;font-size:12px;border-top:2px solid var(--gold);padding-top:14px}.toc ol{padding-left:18px}.toc li{margin:0 0 9px}.toc a{text-decoration:none;color:var(--muted)}.prose{max-width:820px;min-width:0}.prose p{margin:0 0 20px;text-align:justify;overflow-wrap:anywhere}
.prose h2{font-family:Georgia,"SimSun",serif;font-weight:600;border-top:1px solid var(--line);padding-top:22px}.english{font:15px/1.9 Georgia,serif;color:var(--muted)}sup{font-size:11px;margin-left:5px;white-space:nowrap}
figure{margin:32px 0}figure img{display:block;width:100%;height:auto;background:#fff;border:1px solid var(--line)}figcaption{font-size:13px;line-height:1.9;color:var(--muted);padding-top:12px}
.table-wrap{overflow:auto;margin:28px 0}table{border-collapse:collapse;width:100%;font-size:14px;min-width:520px}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--gold);background:#f1eee5}
.refs{padding-left:22px;font-size:14px}.refs li{margin:0 0 22px;overflow-wrap:anywhere}.refs strong{display:block}.refs span{display:block;color:var(--muted)}details{border:1px solid var(--line);padding:12px 16px;margin:24px 0;font-size:13px}summary{cursor:pointer;color:var(--gold)}pre{white-space:pre-wrap;overflow-wrap:anywhere;max-height:30rem;overflow:auto}
.end-nav{display:flex;justify-content:space-between;gap:20px;margin:30px 0;font-size:14px}footer{padding:35px 0;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}footer p{max-width:900px}footer a{margin-right:20px}.back{font-size:13px}
@media(max-width:880px){.bar{align-items:flex-start;padding-top:20px;padding-bottom:18px;flex-direction:column;gap:12px}nav{gap:18px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.article-layout{grid-template-columns:1fr;gap:15px}.toc{position:static}.toc ol{columns:2}.featured{gap:22px}.featured h2{font-size:26px}}
@media(max-width:560px){body{font-size:16px;line-height:1.95}.wrap{padding:0 20px}.hero{padding:35px 0 28px}.dek{font-size:17px}.featured{grid-template-columns:1fr;padding:26px 0}.grid{grid-template-columns:1fr;gap:25px}.card h2{font-size:22px}.article-head{padding-top:32px}.toc ol{columns:1}.prose p{text-align:left}.stats{gap:16px}.stats strong{font-size:24px}nav{gap:14px}nav a{font-size:13px}.end-nav{flex-direction:column}}
@media print{nav,.toc,.back,.end-nav,.skip{display:none}.wrap{max-width:none;padding:0}.article-layout{display:block}.prose{max-width:none}body{background:#fff;font-size:11pt}figure{break-inside:avoid}h2{break-after:avoid}a{color:#222}.article-head h1{font-size:26pt}}