/* 网站公共样式：沿用研究档案的配色、排版与响应式布局。 */
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@media(max-width:1100px){.frame{padding:0 32px}.edition{display:none}.head-inner nav{gap:25px}.brand{min-width:220px}.intro-note{max-width:240px}.library-grid{grid-template-columns:180px minmax(0,1fr);gap:29px}.record{grid-template-columns:85px minmax(0,1fr) 70px;gap:15px}.record h3{font-size:17px}.reader-layout{grid-template-columns:minmax(0,1fr) 200px;gap:40px}.reader-frame,.secondary-page{padding-top:35px}.footer:before{left:32px;right:32px}.footer{padding-top:23px;padding-bottom:25px}}
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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:760px){.collection-tabs{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:6px;overflow:visible}.collection-tabs button{white-space:normal;font-size:11px;min-height:58px;line-height:1.6;padding-top:9px;padding-bottom:9px}.collection-tabs span{display:block;margin:3px 0 0;font-size:9px}.record-body{grid-column:1/-1}.record-side{grid-column:1/-1;flex-direction:row;align-items:center;padding:0;margin-top:2px}.record-side a{align-items:center;min-height:28px}}
@media print{body{background:white}.masthead,.footer,.reader-aside,.reader-actions,.back-link,.reader-topics,.skip{display:none!important}.frame{max-width:none;padding:0}.reader-frame{padding:0}.reader-layout{display:block}.reader h1{font-size:26px}.reader h2{break-after:avoid}.quote-block{break-inside:avoid}a[href]:after{font-size:9px;color:#555}.doc-meta{grid-template-columns:2fr 1fr}.scope-note{background:white}}

.source-intro{display:flex;justify-content:space-between;align-items:center;gap:32px}
.source-intro .page-lead{margin-bottom:28px}
.source-total{font-size:13px;color:var(--muted);white-space:nowrap}
.source-total strong{font:500 36px/1.2 var(--serif);color:var(--ink);margin-right:5px}
.source-total span{display:block;font-size:11px;margin-top:8px}
.source-filters{display:grid;grid-template-columns:minmax(230px,2fr) minmax(160px,1fr) minmax(170px,1fr) auto;align-items:end;gap:16px;padding:22px;background:var(--white);border:1px solid var(--line);border-top:2px solid var(--ink)}
.source-filters>div{min-width:0}
.source-filters label{display:block;font-size:12px;margin-bottom:7px}
.source-filters input,.source-filters select{width:100%;min-height:48px;padding:9px 10px;border:1px solid var(--muted);border-radius:2px;background:var(--white);font-size:1rem;line-height:1.5}
.source-filter-actions{display:flex;gap:8px}
.source-filter-actions .button{min-height:48px;white-space:nowrap}
.source-page>#source-search-help{margin:10px 0 28px}
.source-layout{display:grid;grid-template-columns:205px minmax(0,1fr);gap:41px;align-items:start}
.source-directory{position:sticky;top:24px;padding-top:19px}
.source-directory h2{font-size:12px;font-weight:500;margin:0 0 17px;color:var(--muted)}
.source-directory nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:48px;border-top:1px solid var(--line);font-size:13px}
.source-directory nav a span:last-child{font-size:11px;color:var(--muted)}
.source-directory>.note{margin-top:24px}
.source-results{min-width:0}
.source-result-count{font-size:12px;color:var(--muted);margin:0;padding:17px 0;border-bottom:1px solid var(--ink)}
.source-category{margin-bottom:48px;scroll-margin-top:24px}
.source-category-heading{display:flex;align-items:center;gap:20px;padding:28px 0 25px;border-bottom:1px solid var(--line)}
.source-category-heading h2{font:600 27px/1.6 var(--serif);margin:0 0 5px}
.source-category-heading p{font-size:12px;color:var(--muted);margin:0}
.source-category-heading>span:last-child{margin-left:auto;white-space:nowrap;font-size:11px;color:var(--muted)}
.source-group{margin-top:26px;scroll-margin-top:24px}
.source-group-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-bottom:10px;border-bottom:1px solid var(--ink)}
.source-group-heading h3{font:600 19px/1.7 var(--serif);margin:0}
.source-group-heading>span{font-size:11px;color:var(--muted);white-space:nowrap}
.source-group-description{font-size:12px;line-height:2;color:var(--muted);padding:16px 0;margin:0;border-bottom:1px solid var(--line)}
.source-list{list-style:none;margin:0;padding:0}
.source-record{display:grid;grid-template-columns:minmax(160px,1fr) minmax(0,2fr);gap:26px;padding:22px 0;border-bottom:1px solid var(--line);scroll-margin-top:24px}
.source-heading h4{font:600 18px/1.8 var(--serif);margin:0 0 7px;overflow-wrap:anywhere}
.source-heading>span{font-size:11px;color:var(--muted);overflow-wrap:anywhere}
.source-detail{min-width:0}
.source-detail p{font-size:13px;line-height:2;color:var(--muted);margin:0;overflow-wrap:anywhere}
.source-links{display:flex;gap:6px 22px;flex-wrap:wrap;margin-top:8px}
.source-links a{font-size:12px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;min-height:48px;text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.source-results .empty .button{min-height:48px}
@media(max-width:1100px){.source-intro{align-items:start}.source-total strong{font-size:30px}.source-filters{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}.source-layout{grid-template-columns:180px minmax(0,1fr);gap:29px}.source-record{grid-template-columns:1fr;gap:8px}.source-heading>span{display:block}.source-category-heading{gap:14px}.source-category-heading h2{font-size:24px}}
@media(max-width:760px){.source-intro{display:block}.source-intro .page-lead{margin-bottom:20px}.source-total{margin-bottom:22px;white-space:normal}.source-total strong{font-size:30px}.source-filters{grid-template-columns:minmax(0,1fr);padding:16px;gap:16px}.source-filter-actions .button{flex:1}.source-layout{display:block}.source-directory{position:static;padding-top:0;margin-bottom:20px}.source-directory nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:18px}.source-directory h2{grid-column:1/-1;margin-bottom:10px}.source-directory nav a{font-size:12px;gap:6px}.source-directory>.note{margin-top:14px}.source-category-heading{align-items:start;flex-wrap:wrap;gap:10px 14px;padding:23px 0 18px}.source-category-heading .index-num{font-size:23px}.source-category-heading>div{flex:1;min-width:0}.source-category-heading h2{font-size:23px}.source-category-heading p{font-size:11px}.source-category-heading>span:last-child{flex-basis:100%;text-align:right}.source-record{padding:18px 0;gap:10px}.source-heading h4{font-size:18px}.source-group-description,.source-detail p{font-size:13px}.source-links{gap:4px 18px}.source-category{margin-bottom:32px}}
@media print{.source-filters,.source-directory,#source-search-help,.source-result-count{display:none!important}.source-layout{display:block}.source-record{break-inside:avoid}.source-group-heading{break-after:avoid}.source-page{padding:0}}

.library-search-label{display:block;font-size:12px;color:var(--muted);margin-bottom:8px}
.search-area input{font-size:1rem}
.search-submit{min-height:48px}
.collection-tabs{gap:30px;flex-wrap:wrap}
.collection-tabs a{position:relative;display:inline-flex;align-items:center;min-height:52px;padding:0 1px 14px;font-size:14px;color:var(--muted);white-space:nowrap}
.collection-tabs a[aria-current=true]{color:var(--accent);font-weight:600}
.collection-tabs a[aria-current=true]:after{content:"";position:absolute;bottom:-1px;left:0;right:0;height:3px;background:var(--accent)}
.filter-label select{font-size:1rem;min-height:48px}
.results-toolbar select{font-size:1rem;min-height:48px}
.filter-heading button,.filter-toggle{min-height:48px}
.record-scope{display:inline-block;color:var(--accent);margin-right:10px}
.record-tags .badge{white-space:normal;overflow-wrap:anywhere}
.badge.context{color:var(--accent);border-color:var(--accent)}
.source-link-count{font-size:10px;color:var(--muted);text-align:right}
.document-sources{list-style:none;margin:0;padding:0}
.document-sources li{padding:13px 0;border-bottom:1px solid var(--line)}
.document-sources a{display:block;min-height:40px;color:var(--blue);text-decoration:underline;text-underline-offset:4px;overflow-wrap:anywhere}
.document-sources span{display:block;font-size:11px;color:var(--muted);overflow-wrap:anywhere}
.doc-meta a{color:var(--blue);text-decoration:underline;text-underline-offset:4px}
.index-entries{margin-top:24px}
.index-entries article{border-top:1px solid var(--line);padding-top:15px;margin:16px 0}
.index-entries h3,.index-entries h4{font-family:var(--serif);font-weight:600}
.index-entries h4{font-size:16px;margin:0}
.reader .index-entries p{font-size:13px;color:var(--muted)}
@media(max-width:760px){.collection-tabs{grid-template-columns:repeat(3,minmax(0,1fr));gap:0 12px}.collection-tabs a{display:flex;flex-wrap:wrap;justify-content:center;min-height:58px;padding:8px 0;font-size:13px;line-height:1.6}.collection-tabs a span{margin:0 0 0 5px;font-size:10px}.search-area input{font-size:1rem}.search-area form{height:64px}.search-submit{min-width:60px}.filter-label select{font-size:1rem;min-height:48px}.source-link-count{margin-left:auto}.record-side{gap:12px}.results-toolbar select{font-size:1rem;max-width:145px;min-height:48px}}

/* 阅读优先：出处融入标题，维护信息只在文末按需展开。 */
.reader .article-source{text-decoration:none}
.reader .article-source:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:.15em}
.source-cue{font:400 .48em var(--sans);color:var(--muted);white-space:nowrap;vertical-align:middle}
.reader-meta{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:12px;line-height:1.9;color:var(--muted);padding-bottom:20px;border-bottom:1px solid var(--line);margin-bottom:25px}
.reader .coverage-note{font-size:12px;color:var(--muted);margin:20px 0}
.reader .fulltext{margin-top:24px}
.reader .version-note{font-size:13px}
.reader .version-note h2{font:500 13px var(--sans);color:var(--muted);margin:20px 0 8px}
.reader .version-note p{font-size:13px;margin:0}
.reader-info{border-top:1px solid var(--line);margin-top:38px;padding-top:8px;color:var(--muted);font-size:12px}
.reader-info>summary{cursor:pointer;padding:10px 0;min-height:44px}
.reader-info>summary:focus-visible{outline:3px solid var(--blue);outline-offset:4px}
.reader-info dl{margin:12px 0}
.reader-info dl>div{display:grid;grid-template-columns:100px minmax(0,1fr);gap:12px;padding:6px 0}
.reader-info dd{margin:0;overflow-wrap:anywhere}
.reader-info a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.reader-info .document-sources a{min-height:0}
.reader-info .index-entries h2{font:500 13px var(--sans)}
.reader-info .index-entries h3{font:500 14px var(--serif)}
@media print{.reader-info{display:none}.reader-meta{color:var(--ink)}.article-source .source-cue{display:none}}

#search-help:empty{display:none}

/* PDF入口按语言与范围逐项列出，长题名和附件说明允许自然换行。 */
.pdf-links{list-style:none;margin:10px 0;padding:0;min-width:0}
.pdf-links li{display:flex;flex-wrap:wrap;align-items:baseline;gap:0 12px;min-width:0}
.pdf-links a{color:var(--blue);font:12px/1.8 var(--sans);text-decoration:underline;text-underline-offset:3px;min-height:44px;display:inline-flex;align-items:center;overflow-wrap:anywhere;max-width:100%}
.pdf-size,.pdf-scope{font:12px/1.8 var(--sans);color:var(--muted)}
.pdf-scope{flex-basis:100%;margin:0 0 8px;overflow-wrap:anywhere}
.reader .pdf-scope{font:12px/1.8 var(--sans);margin:0 0 8px}
.reader .pdf-originals{border-block:1px solid var(--line);margin:24px 0;padding:12px 0}
.reader .pdf-originals h2{font:500 14px var(--sans);margin:8px 0}
.pdf-links .pdf-source{font-size:11px;color:var(--muted)}

/* 信源只显示标题入口与实际说明，减少重复链接和空白。 */
.intro{padding:28px 0 22px}
.intro h1{margin:0}
.source-page{padding-top:28px}
.source-intro{align-items:center;margin-bottom:18px}
.source-intro h1,.source-total{margin:0}
.source-total{font:13px var(--sans)}
.source-filters{padding:16px;gap:12px;margin-bottom:20px}
.source-category{margin-bottom:30px}
.source-category-heading{padding:20px 0 14px;gap:12px}
.source-category-heading h2{font:600 24px/1.5 var(--serif);margin:0}
.source-group{margin-top:20px}
.source-record{grid-template-columns:minmax(200px,1fr) minmax(0,1.6fr);gap:20px;padding:14px 0}
.source-heading h4{font:500 18px/1.6 var(--serif);margin:0}
.source-heading a{display:inline-block;min-height:44px;padding:6px 0;color:var(--blue)}
.source-heading a:hover{text-decoration:underline;text-underline-offset:4px}
.source-detail p{font-size:13px;line-height:1.8;padding:7px 0}
.source-links{margin:0;gap:4px 16px}
.source-links a{min-height:36px}
@media(max-width:1100px){.source-record{grid-template-columns:1fr;gap:0}.source-detail p{padding:0 0 5px}}
@media(max-width:760px){.source-intro{display:flex;gap:12px}.source-total{white-space:nowrap}.source-category-heading h2{font-size:22px}.source-category-heading>span:last-child{flex-basis:auto}.source-record{padding:12px 0}.source-category-heading{align-items:center}.source-intro h1{font-size:26px}}

.record.undated{grid-template-columns:minmax(0,1fr) 120px}
@media(max-width:760px){.record.undated{grid-template-columns:minmax(0,1fr) 65px}}