/* Scoped exhibition design; no dependency on legacy site.js or global assets. */
:root{--paper:#f7f3ec;--white:#fffcf6;--ink:#29271f;--muted:#6e685c;--line:#dcd5c7;--red:#9b3e2f;--green:#3d5142;--serif:'Noto Serif SC','Songti SC','SimSun',serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:148px}body{margin:0;background:var(--paper);color:var(--ink);font-family:'Microsoft YaHei','PingFang SC',sans-serif;font-size:15px;line-height:1.9}h1,h2,h3,p,figure{margin:0}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:wait;opacity:.55}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--red);outline-offset:5px}[hidden]{display:none!important}.wt-wrap{width:min(1200px,calc(100% - 80px));margin-inline:auto}.eyebrow{font-size:11px;letter-spacing:.16em;color:var(--red);line-height:1.8}.fine{font-size:12px;color:var(--muted)}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link{position:fixed;top:-80px;left:20px;background:var(--white);z-index:100;padding:12px}.skip-link:focus{top:10px}
.wt-header{position:sticky;top:0;z-index:30;background:rgba(247,243,236,.98);border-bottom:1px solid var(--line)}.header-row{min-height:80px;display:flex;align-items:center;justify-content:space-between;gap:24px}.wt-brand{font-family:var(--serif);font-size:23px;font-weight:bold;display:flex;align-items:center;gap:12px;letter-spacing:.09em;white-space:nowrap}.brand-seal{background:var(--red);color:var(--paper);font-size:22px;line-height:36px;width:34px;text-align:center}.wt-brand small{font-family:sans-serif;font-size:10px;color:var(--muted);font-weight:normal;letter-spacing:.06em;margin-left:6px}.wt-header nav{display:flex;gap:24px;font-size:13px}.wt-header nav a{padding:24px 0}.wt-header nav a:hover,.wt-header nav a[aria-current]{color:var(--red)}.menu-toggle{display:none}.breadcrumbs{display:flex;gap:12px;align-items:center;font-size:12px;color:var(--muted);padding-top:24px}.breadcrumbs a:hover{color:var(--red)}
.hero{padding-top:54px;padding-bottom:64px;display:grid;grid-template-columns:1fr 1.05fr;gap:80px;align-items:center}.hero-location{margin-top:28px;color:var(--muted);font-size:12px;letter-spacing:.2em;display:flex;gap:9px;align-items:center}.hero-location span{height:5px;width:5px;background:var(--red);border-radius:50%}.hero h1{font:500 clamp(64px,6vw,84px)/1.18 var(--serif);letter-spacing:.1em;margin:16px 0 20px}.hero h1 span{color:#766044}.hero-en{font:italic 17px/1.5 Georgia,serif;color:#766044}.hero-lead{font:22px/1.8 var(--serif);margin-top:30px}.hero-description{color:var(--muted);max-width:440px;margin-top:13px;line-height:2}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:28px 0 18px}.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:46px;padding:10px 22px;border:1px solid var(--line);font-size:13px;border-radius:2px;line-height:1.5}.primary{background:var(--green);color:#fff;border-color:var(--green)}.primary:hover{background:#2c3e31}.secondary{background:transparent;color:var(--ink)}.secondary:hover{border-color:var(--red);color:var(--red)}
.type-art{position:relative;background:#292720;color:#eee4d2;min-height:530px;padding:30px 38px 36px;box-shadow:12px 14px 0 #e7e0d3}.board-top{display:flex;justify-content:space-between;font-size:10px;letter-spacing:.16em;color:#c5b497;border-bottom:1px solid #70644e;padding-bottom:20px}.type-tray{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;border:8px solid #534734;outline:1px solid #9b845f;padding:12px;margin:24px 0 22px;background:#1e1c17;transform:rotate(-3deg)}.type-tray span{aspect-ratio:1;display:grid;place-items:center;font-family:var(--serif);font-size:clamp(23px,3.2vw,44px);line-height:1;box-shadow:inset 0 0 0 1px #7e6b50,3px 3px 0 #16140f;background:linear-gradient(125deg,#716047,#443c2d);color:#e3d2ac;transform:scaleX(-1)}.type-tray span:nth-child(3n){background:linear-gradient(100deg,#675943,#403729);color:#c4b18a}.board-caption{font-size:13px;letter-spacing:.25em;text-align:center;color:#dfcfb0}.art-seal{position:absolute;right:13px;bottom:44px;border:2px solid #aa5340;color:#c87159;font:30px var(--serif);padding:2px}.art-note{font-size:10px;color:#b3a58c;text-align:center;margin-top:15px;letter-spacing:.12em}
.section-nav{position:sticky;top:80px;z-index:20;border-block:1px solid var(--line);background:var(--paper)}.section-nav>div{display:flex;gap:42px;align-items:center;min-height:58px}.section-nav a{font-size:13px;white-space:nowrap}.section-nav a:hover{color:var(--red)}.wt-section{padding-block:84px}.section-heading{margin-bottom:36px}.section-heading h2{font:500 34px/1.5 var(--serif);margin:12px 0 14px}.section-heading>p:last-child{max-width:670px;color:var(--muted);font-size:14px}.process-grid{list-style:none;padding:0;display:grid;grid-template-columns:repeat(4,1fr);margin:0;border-left:1px solid var(--line);border-top:1px solid var(--line)}.process-grid li{border-bottom:1px solid var(--line);border-right:1px solid var(--line);padding:25px;position:relative;display:flex;flex-direction:column;align-items:flex-start}.step-index{font:italic 14px Georgia,serif;color:#8d806b;position:absolute;right:23px;top:23px}.step-character{font:28px/1.5 var(--serif);color:var(--red);margin-bottom:22px}.process-grid h3{font-size:15px;font-weight:500;margin-bottom:8px}.process-grid p{font-size:13px;color:var(--muted);margin-bottom:16px}.source-ref{display:inline-block;font-size:11px;color:var(--red);line-height:1.8;margin-top:10px}.source-ref:hover{text-decoration:underline}.process-grid .source-ref,.knowledge-card .source-ref{margin-top:auto;padding-top:12px}.editor-note{font-size:12px;color:var(--muted);padding:18px 22px;background:#eee8db;border-left:2px solid #9c8060;margin-top:24px}.editor-note .source-ref{margin:0 0 0 8px}.print-demo{display:grid;grid-template-columns:1fr auto;align-items:center;gap:25px;margin-top:40px;padding:28px;border:1px solid var(--line);background:var(--white)}.print-demo>div:first-child{grid-column:1/-1}.print-demo h3{font:24px var(--serif);margin:8px 0 14px}.print-demo p:not(.eyebrow){font-size:13px;color:var(--muted)}.demo-faces{display:flex;gap:24px;align-items:center}.demo-faces>div{display:grid;gap:8px}.demo-faces small{font-size:11px;color:var(--muted)}.demo-faces .mirror-type,.paper-type{display:block;padding:12px 22px;font:26px/1.5 var(--serif);letter-spacing:.25em}.mirror-type{transform:scaleX(-1);color:#eee1c7;background:#594a34}.paper-type{color:var(--red);background:#f2eadb;min-width:142px}.print-demo.is-printed .paper-type{box-shadow:inset 0 0 0 1px #bc9f82}
.knowledge-section{background:#eee9df;border-block:1px solid var(--line)}.reading-tools{display:flex;justify-content:space-between;gap:20px;align-items:center;margin-bottom:24px}.audience-switch{display:flex;background:#e1dbcf;padding:4px;gap:4px}.audience-switch button{border:0;background:transparent;padding:10px 20px;color:#635b4f;font-size:13px}.audience-switch button[aria-pressed=true]{background:var(--green);color:white}.search-box{display:flex;align-items:center;gap:10px;background:var(--paper);border:1px solid #c4bcad;padding:10px 14px;max-width:360px;width:100%}.search-box input{border:0;background:transparent;width:100%;min-width:0;font-size:13px;color:var(--ink)}.search-box span{font-size:24px;line-height:1}.topic-filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}.topic-filters button{background:transparent;border:1px solid transparent;color:var(--muted);padding:4px 13px;font-size:12px;min-height:36px}.topic-filters button[aria-pressed=true]{border-color:#b5a38c;color:var(--red);background:#f7f3ec}.knowledge-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.knowledge-card{padding:26px;background:var(--white);border:1px solid #ded6c7;display:flex;flex-direction:column}.card-meta{font-size:10px;color:#84745d;letter-spacing:.08em}.knowledge-card h3{font:19px/1.6 var(--serif);margin:16px 0 14px}.knowledge-card p{font-size:13px;line-height:1.95;color:var(--muted);margin-bottom:12px}.no-results{padding:40px 0;color:var(--muted)}
.history-section{display:grid;grid-template-columns:.9fr 1.1fr;gap:100px}.history-motif{display:flex;gap:22px;align-items:center;margin-top:60px;color:#a99678}.history-motif>span{font:100px var(--serif);line-height:1;opacity:.6}.history-motif p{font:18px/2 var(--serif);letter-spacing:.2em}.timeline{list-style:none;margin:0;padding:0 0 0 24px;border-left:1px solid #b5a183}.timeline li{position:relative;display:grid;grid-template-columns:95px 1fr;gap:20px;padding:0 0 32px}.timeline li:last-child{padding-bottom:0}.timeline li:before{content:'';position:absolute;width:7px;height:7px;border-radius:50%;background:var(--red);left:-28px;top:12px}.time-label{font:18px/1.7 Georgia,var(--serif);color:var(--red)}.timeline h3{font:19px/1.6 var(--serif);margin-bottom:8px}.timeline p{font-size:13px;color:var(--muted)}.people-section{background:#34473c;color:var(--paper)}.people-section .eyebrow{color:#d5b887}.people-section .section-heading>p:last-child,.people-section .fine{color:#d2d8ca}.stories{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;margin-bottom:32px}.story{border-top:1px solid #738474;padding-top:26px}.story h3{font:22px/1.7 var(--serif);margin:18px 0}.story>p:not(.eyebrow){color:#e0e4d8;font-size:13px}.story .source-ref{color:#e0c89f;margin-top:20px}
.archive-meta{display:flex;justify-content:space-between;gap:20px;border-block:1px solid var(--line);font-size:11px;color:var(--muted);padding:15px 0;margin-bottom:14px}.source-document{border-bottom:1px solid var(--line)}.source-document summary{list-style:none;cursor:pointer;display:flex;align-items:center;gap:24px;padding:24px 0}.source-document summary::-webkit-details-marker{display:none}.doc-number{color:#9c8566;font:italic 20px Georgia,serif}.source-document summary>span:nth-child(2){flex:1;min-width:0}.source-document summary strong{font:18px/1.7 var(--serif);overflow-wrap:anywhere;display:block}.source-document summary small{display:block;color:var(--muted);font-size:11px;margin-top:6px}.expand{color:var(--red);font-size:22px;flex-shrink:0}.source-document[open] .expand{transform:rotate(45deg)}.document-body{padding:10px 25px 28px 50px}.document-body>p:first-child{margin-bottom:10px}.evidence{padding:22px 0;border-bottom:1px dashed var(--line);scroll-margin-top:155px}.evidence:last-child{border:0}.evidence blockquote{margin:10px 0 0;font-size:14px;line-height:2.05;color:#5c564a}.evidence:target{background:#ece2cc;padding:22px 16px}.ask-section{background:#e9e3d7}.ask-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px}.ask-panel{background:var(--white);padding:30px;border:1px solid var(--line)}.ask-panel label{font:19px var(--serif);display:block;margin-bottom:16px}.ask-panel textarea{display:block;width:100%;background:#f6f1e7;border:1px solid var(--line);padding:14px;resize:vertical;color:var(--ink);font-size:14px;max-height:350px}.ask-actions{display:flex;gap:10px;flex-wrap:wrap;margin:16px 0}.ask-panel #ask-status{margin:10px 0}.ask-panel #ask-result{white-space:pre-wrap;overflow-wrap:anywhere;font-size:14px}.ask-match{display:block;padding:12px 0;color:var(--red);border-bottom:1px solid var(--line)}.ai-answer{border-top:1px solid var(--line);padding-top:18px}.wt-footer{border-top:1px solid var(--line);padding:45px 0;background:#eee9df}.wt-footer .wt-brand{margin-bottom:15px}.wt-footer p{font-size:13px}.wt-footer .fine{font-size:11px;margin-top:18px}
.museum-intro{text-align:center;padding-top:95px;padding-bottom:70px}.museum-intro h1{font:50px/1.5 var(--serif);margin:15px 0}.museum-intro>p:last-child{color:var(--muted)}.museum-exhibition{padding-bottom:90px}.museum-feature{margin-top:22px;display:grid;grid-template-columns:.7fr 1fr;border:1px solid var(--line);background:var(--white)}.museum-mark{background:#34473c;color:#dfc79e;display:grid;place-content:center;text-align:center;font:90px/1.2 var(--serif);letter-spacing:.1em}.museum-feature>div:last-child{padding:48px}.museum-feature h2{font:34px/1.6 var(--serif);margin-top:14px}.museum-feature .hero-lead{margin-top:5px;margin-bottom:18px}.museum-feature .fine{margin-top:18px}.museum-paths{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:40px}.museum-paths a{border-top:1px solid var(--line);padding-top:24px}.museum-paths a:hover h3{color:var(--red)}.museum-paths span{font-size:10px;letter-spacing:.12em;color:var(--muted)}.museum-paths h3{font:23px/1.7 var(--serif);margin:15px 0 10px}.museum-paths p{font-size:13px;color:var(--muted)}
@media(min-width:1500px){.hero{gap:100px}.type-art{padding-inline:50px}}
@media(max-width:1100px){.wt-brand small{display:none}.hero{gap:45px}.type-art{padding:24px}.wt-header nav{gap:17px}.history-section{gap:50px}.ask-layout{gap:45px}.process-grid li{padding:20px}.knowledge-card{padding:22px}.section-nav>div{gap:32px}}
@media(max-width:760px){html{scroll-padding-top:128px}.wt-wrap{width:calc(100% - 36px)}.header-row{min-height:64px;flex-wrap:wrap;gap:0}.wt-brand{font-size:21px}.brand-seal{width:29px;line-height:32px}.menu-toggle{display:block;background:none;border:1px solid var(--line);font-size:12px;padding:7px 12px;color:var(--ink)}.wt-header nav{display:none;flex-basis:100%;padding:10px 0 16px;gap:0;flex-wrap:wrap}.wt-header nav.is-open{display:flex}.wt-header nav a{width:33.33%;padding:9px 0}.breadcrumbs{padding-top:18px;font-size:11px;gap:8px}.hero{grid-template-columns:1fr;gap:38px;padding-top:32px;padding-bottom:40px}.hero h1{font-size:66px;margin-top:14px}.hero h1 br{display:none}.hero h1 span{font-size:42px;display:block}.hero-location{margin-top:22px}.hero-lead{font-size:21px;margin-top:22px}.hero-description{font-size:14px}.hero-en{font-size:14px}.type-art{width:100%;min-height:0;padding:23px 30px 26px;box-shadow:6px 7px 0 #e7e0d3}.type-tray{grid-template-columns:repeat(5,1fr);gap:6px;padding:8px;border-width:6px;transform:rotate(-2deg);margin-top:26px}.type-tray span{font-size:29px}.board-top{font-size:9px}.board-caption{font-size:12px}.art-seal{font-size:23px;bottom:30px}.section-nav{top:64px}.section-nav>div{min-height:51px;gap:0;justify-content:space-between}.section-nav a{font-size:12px}.wt-section{padding-block:54px}.section-heading{margin-bottom:27px}.section-heading h2{font-size:27px;margin-top:10px}.section-heading>p:last-child{font-size:13px}.process-grid{grid-template-columns:repeat(2,1fr)}.process-grid li{padding:20px 15px}.step-character{font-size:25px;margin-bottom:17px}.step-index{right:15px;top:18px;font-size:12px}.process-grid h3{font-size:14px}.process-grid p{font-size:12px}.source-ref{font-size:11px}.editor-note{padding:15px;font-size:11px}.print-demo{padding:20px;grid-template-columns:1fr;gap:22px}.print-demo>div:first-child{grid-column:auto}.demo-faces{gap:14px;justify-content:space-between}.demo-faces .mirror-type,.paper-type{font-size:22px;padding:10px 14px;letter-spacing:.1em;min-width:105px}.reading-tools{flex-direction:column;align-items:stretch;gap:14px}.audience-switch{justify-content:space-between}.audience-switch button{padding:10px 12px;flex:1;font-size:12px}.search-box{max-width:none}.topic-filters{gap:4px}.topic-filters button{padding:4px 10px;font-size:11px}.knowledge-grid{grid-template-columns:1fr;gap:12px}.knowledge-card{padding:22px}.knowledge-card h3{font-size:20px;margin:12px 0}.knowledge-card p{font-size:14px}.history-section{grid-template-columns:1fr;gap:25px}.history-section .section-heading{margin-bottom:5px}.history-motif{display:none}.timeline{margin-left:5px;padding-left:20px}.timeline li{grid-template-columns:77px 1fr;gap:10px}.timeline li:before{left:-24px}.time-label{font-size:16px}.timeline h3{font-size:18px}.stories{grid-template-columns:1fr;gap:28px}.story h3{font-size:22px;margin:12px 0}.story>p:not(.eyebrow){font-size:14px}.archive-meta{gap:8px;font-size:10px;flex-wrap:wrap}.source-document summary{gap:14px;padding:21px 0}.source-document summary strong{font-size:17px}.document-body{padding:0 0 22px 0}.evidence blockquote{font-size:13px}.evidence{scroll-margin-top:130px}.ask-layout{grid-template-columns:1fr;gap:28px}.ask-panel{padding:22px}.ask-actions .button{flex:1;padding-inline:10px}.wt-footer{padding:32px 0}.museum-intro{padding-top:62px;padding-bottom:45px}.museum-intro h1{font-size:38px}.museum-feature{grid-template-columns:1fr}.museum-mark{font-size:66px;padding:40px;display:block}.museum-mark br{display:none}.museum-feature>div:last-child{padding:28px}.museum-feature h2{font-size:29px}.museum-paths{grid-template-columns:1fr;gap:28px}.museum-exhibition{padding-bottom:55px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}@media print{.wt-header,.section-nav,.reading-tools,.topic-filters,.ask-section,.print-demo,.wt-footer{display:none}.wt-wrap{width:100%}.wt-section{padding-block:25px}body{color:#000;background:#fff}.knowledge-card,.process-grid li{break-inside:avoid}.type-art{box-shadow:none}}

/* V1.0 incremental reading and knowledge-service improvements. */
.hero{padding-top:36px;padding-bottom:48px;gap:64px}.hero h1{font-size:68px}.type-art{min-height:0;padding:25px 30px}.type-tray{grid-template-columns:repeat(5,1fr);gap:7px;padding:10px}.type-tray span{font-size:32px}.hero-lead{margin-top:22px}.hero-actions{margin-top:22px}.section-nav a{min-height:44px;display:inline-flex;align-items:center}.reading-guide{padding-block:20px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;align-items:center}.reading-guide>p{font-size:13px}.reading-guide>p>span{display:block;font-size:11px;color:var(--muted)}.recognition-layout{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.recognition-questions{display:grid;grid-template-columns:1fr 1fr;gap:28px}.recognition-questions h3{font:19px/1.7 var(--serif);margin-bottom:10px}.recognition-questions p{font-size:13px;color:var(--muted)}.knowledge-figure{margin:0;scroll-margin-top:150px}.knowledge-figure img{width:100%;height:auto;display:block;border:1px solid #c9bda9}.knowledge-figure figcaption{font-size:11px;color:var(--muted);margin-top:10px}.knowledge-figure figcaption .source-ref{margin:0}.craft-diagrams{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:35px}.related-card,.question-link,.back-reading{display:block;min-height:44px;padding:10px 0;font-size:12px;color:var(--red);line-height:1.8}.related-card:hover,.question-link:hover,.back-reading:hover{text-decoration:underline}.source-ref{min-height:44px;padding-block:10px}.card-explore,.process-depth{width:100%;margin-top:12px;border-top:1px solid var(--line)}.card-explore summary,.process-depth summary,.result-source summary,.collection-gaps summary{min-height:44px;padding-block:10px;cursor:pointer;font-size:12px;color:var(--red)}.process-depth h4{font-size:16px;font-weight:500;margin:8px 0 12px}.process-depth>p{font-size:14px}.process-depth .fine{font-size:12px}.process-grid li:has(.process-depth[open]){grid-column:1/-1}.process-depth[open]{max-width:860px}.card-reference{border-top:1px dashed var(--line);padding-top:12px;margin-top:12px;font-size:12px}.card-reference strong{display:block;font-weight:500;line-height:1.8}.card-reference small{display:block;color:var(--muted);font-size:11px;margin-top:4px}.card-reference blockquote{margin:10px 0;color:var(--muted);line-height:1.9}.card-reference .source-ref{margin:0}.reading-label{font-size:10px!important;color:#886e4e!important;line-height:1.7!important}.research-basis{width:100%;margin-top:16px}.knowledge-card p[data-version]{font-size:14px}.knowledge-grid{align-items:start}.knowledge-card{min-height:350px}.card-explore .fine{margin:14px 0 0}.audience-switch button{min-height:44px}.topic-filters button{min-height:44px}.search-box{min-height:48px}.search-sources{margin-top:20px}.search-sources h4,#ask-result h4{font:19px/1.7 var(--serif);margin-top:24px}.result-source{margin:16px 0;padding:15px;background:#f3ede1;border:1px solid var(--line)}.result-source>.source-ref{font-size:13px;white-space:normal;margin:0}.result-source blockquote{white-space:pre-wrap;line-height:2;font-size:13px;margin:10px 0;max-height:400px;overflow:auto;padding-right:8px}.result-source .fine{white-space:normal}.document-search-label{font-size:13px;display:block;margin-bottom:10px}#document-search{width:100%;max-width:620px;min-height:48px;padding:10px 15px;border:1px solid #b7a991;background:var(--white);font:14px inherit;color:var(--ink)}.collection-gaps{margin-top:18px;border:1px solid var(--line);padding:10px 18px}.collection-gaps p{font-size:13px;color:var(--muted);margin:12px 0}.qa-depth{margin:22px 0 14px;font-size:13px}.ask-layout{gap:55px;grid-template-columns:.85fr 1.15fr}.ask-panel #ask-result{white-space:normal}.ai-answer{white-space:pre-wrap}.ask-actions .button{min-height:48px}.question-link{white-space:normal}.story>p:not(.eyebrow){font-size:14px}.process-grid p{font-size:14px}.process-grid h3{font-size:16px}.hero-actions .button{min-height:48px}.menu-toggle{min-height:44px}
@media(max-width:900px){.recognition-layout{gap:30px}.hero{gap:35px}.hero h1{font-size:58px}.type-tray span{font-size:26px}.reading-guide{align-items:flex-start}.reading-guide .audience-switch button{padding-inline:12px}.ask-layout{gap:30px}.knowledge-grid{grid-template-columns:repeat(2,1fr)}}
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