/* 正文保持完整；蓝白阅读层次、原件按组展开、读后沿真实关系继续浏览。 */
.reading-article{--article-blue:var(--c-brand-2);--article-ink:var(--c-brand-2);--article-line:var(--c-line);--article-muted:var(--c-muted)}
.reading-article .article-sheet{border-color:var(--article-line);border-radius:12px;padding:30px 34px}
.reading-article .article-header h1{color:var(--article-ink);font-size:30px;line-height:1.5;margin:12px 0 14px;letter-spacing:-.015em;text-wrap:pretty}
.reading-article .article-header .tags>span{background:var(--c-brand-tint);color:var(--c-brand-2);border-radius:4px;padding:4px 8px;font-size:12px}
.reading-article .article-meta{color:var(--c-muted);font-size:12px;line-height:1.85;gap:5px 15px}
.reading-article .article-summary{background:var(--c-brand-tint);border:0;border-left:3px solid var(--c-brand-2);border-radius:0 8px 8px 0;margin:17px 0;padding:14px 17px}
.reading-article .article-summary>b{color:var(--c-brand-2);font-size:12px;font-weight:600}.reading-article .article-summary p{font-size:14px;color:var(--c-text);line-height:1.9;margin-top:5px}
.reading-article .article-quick-links{gap:9px;margin:15px 0}.reading-article .article-quick-links>a{border-color:var(--c-line);background:var(--c-brand-tint);color:var(--article-blue);font-size:13px;min-height:44px;border-radius:7px}.reading-article .article-quick-links>a:first-child{background:var(--article-blue);border-color:var(--article-blue);color:white}
.reading-article .article-intro-with-art{border-color:var(--c-brand-2);background:var(--c-brand-tint);border-radius:0 9px 9px 0;padding:16px;grid-template-columns:minmax(0,1fr) 160px;gap:18px}.reading-article .article-intro-with-art .article-summary{background:none;padding:0;border:0;margin:0}.reading-article .article-intro-with-art .editorial-article-cover img{height:auto;max-height:140px;object-fit:contain}.reading-article .editorial-article-cover{background:var(--c-brand-tint);border-radius:8px;margin:17px 0}.reading-article .editorial-article-cover figcaption{color:var(--c-muted);font-size:11px;line-height:1.7;text-align:left;padding:7px 11px}
.reading-article .richtext h2{color:var(--article-ink);border-color:var(--c-faint);font-size:22px;line-height:1.6;padding-left:12px;margin:28px 0 15px}.reading-article .richtext h3{color:var(--c-brand-2);font-size:18px;line-height:1.7}.reading-article .richtext p{color:var(--c-text);line-height:1.95}.reading-article .richtext li{color:var(--c-text);line-height:1.9}.reading-article .richtext .check-list{padding:16px 19px 16px 36px;border:1px solid var(--c-line);background:#f8faff;border-radius:8px}
.reading-article .article-toc{border-color:var(--article-line)}.reading-article .desktop-toc a{font-size:13px;line-height:1.8;color:var(--c-text);min-height:42px}.reading-article .desktop-toc a>span{color:var(--c-faint)}.reading-article .sidebar-box{border-color:var(--article-line);border-radius:10px}.reading-article .sidebar-box h2{font-size:18px;color:var(--article-ink)}.reading-article .sidebar-box>a{font-size:13px;min-height:44px;color:var(--c-brand-2)}
.article-next{margin:28px 0 0;padding:22px;border:1px solid var(--c-line);border-radius:10px;background:linear-gradient(135deg,var(--c-brand-tint),#fff)}.article-next-heading .eyebrow{font-size:11px;color:var(--c-muted);line-height:1.8}.article-next-heading h2{font-size:22px;line-height:1.5;color:var(--article-ink);margin:5px 0 17px}
.article-entity-links{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.article-entity-links>a{display:flex;align-items:center;gap:10px;min-width:0;min-height:77px;padding:12px;background:#fff;border:1px solid var(--c-line);border-radius:8px}.article-entity-links>a>.school-logo,.article-entity-links>a>.school-monogram,.article-entity-icon{width:36px;height:36px;flex:none}.article-entity-icon{display:flex;align-items:center;justify-content:center;color:var(--article-blue);background:var(--c-brand-tint);border-radius:8px}.article-entity-icon .icon{width:20px;height:20px}.article-entity-links>a>span:not(.article-entity-icon){min-width:0;flex:1}.article-entity-links small{display:block;color:var(--c-muted);font-size:11px;line-height:1.7}.article-entity-links b{display:block;font-size:14px;color:var(--c-brand-2);line-height:1.6;margin-top:3px}.article-entity-links>a>.icon{width:14px;height:14px;color:var(--c-muted)}.article-more-entities{margin:12px 0;color:var(--c-muted);font-size:13px}.article-more-entities summary{min-height:44px;padding:10px 0;cursor:pointer}.article-more-entities>a{display:block;padding:9px 0;min-height:44px}
.reading-article .article-next .article-decision-links{background:transparent;border:0;padding:0;margin:18px 0 0}.reading-article .article-next .article-decision-links>b{font-size:13px;color:var(--c-muted)}.reading-article .article-next .article-decision-links a{background:white;border:1px solid var(--c-line);border-radius:6px;padding:9px 11px;min-height:44px;font-size:13px;color:var(--c-brand-2)}.reading-article .article-next .article-decision-links>div{gap:8px;margin-top:9px}.reading-article .article-next .article-decision-links summary{font-size:13px;min-height:44px;padding:10px 0}
.article-browse-links{display:flex;gap:16px;margin:14px 0}.article-browse-links>a{display:inline-flex;gap:7px;align-items:center;min-height:44px;color:var(--article-blue);font-size:13px}.article-browse-links .icon{width:16px;height:16px}
.article-next-consult{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:65px;padding:14px 16px;background:var(--article-blue);color:white;border-radius:7px}.article-next-consult:hover{color:white;background:var(--c-brand-2)}.article-next-consult>span{display:grid;grid-template-columns:21px minmax(0,1fr);gap:3px 9px;align-items:center}.article-next-consult>span>.icon{grid-row:1/3;width:20px;height:20px}.article-next-consult b{font-size:14px;font-weight:600}.article-next-consult small{font-size:11px;color:var(--c-line);line-height:1.7}.article-next-consult>.icon{width:17px;height:17px}
.article-related{margin:28px 0 25px}.article-related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.article-related-card{display:flex;align-items:flex-start;gap:12px;min-width:0;padding:14px 12px;border:1px solid var(--article-line);border-radius:8px;background:#fff}.article-related-card>img{flex:none;display:block;width:80px;height:68px;object-fit:contain;background:var(--c-brand-tint);border-radius:5px}.article-related-card>span{display:block;flex:1;min-width:0}.article-related-card small{font-size:11px;line-height:1.7;color:var(--c-muted)}.article-related-card b{display:block;font-size:14px;line-height:1.75;color:var(--c-brand-2);margin:5px 0}.article-related-read{display:block;font-size:12px;color:var(--c-muted);margin-top:6px;line-height:1.7}
.reading-article .source-shortcuts{border-color:var(--c-line);background:var(--c-brand-tint)}.reading-article .source-preview-disclosure{margin-top:12px;border:1px solid var(--c-line);border-radius:7px;padding:0 11px;background:white}.reading-article .source-preview-disclosure>summary{display:flex;justify-content:space-between;align-items:center;gap:10px;min-height:44px;font-size:13px;color:var(--c-muted);cursor:pointer;list-style:none}.reading-article .source-preview-disclosure>summary::-webkit-details-marker{display:none}.reading-article .source-preview-disclosure>summary>span{font-size:11px;color:var(--c-muted)}.reading-article .source-shortcuts .source-action.primary{background:var(--article-blue);border-color:var(--article-blue)}
.reading-article .source-material{border-color:var(--c-line);background:var(--c-brand-tint);border-radius:10px}.reading-article .source-material .source-entry-disclosure{padding:0;border:1px solid var(--c-line);background:#fff;border-radius:8px;margin-top:12px}.source-entry-disclosure>summary{display:flex;align-items:flex-start;justify-content:space-between;gap:13px;padding:15px;cursor:pointer;list-style:none}.source-entry-disclosure>summary::-webkit-details-marker{display:none}.reading-article .source-entry-disclosure>summary h3{margin:0 0 6px;font-size:15px;color:var(--c-brand-2);line-height:1.7}.reading-article .source-entry-disclosure>summary .article-meta{display:block;font-size:12px;line-height:1.85}.source-entry-disclosure>summary .article-meta>span{display:block}.source-entry-disclosure>summary>b{color:var(--c-muted);font-weight:500;font-size:11px;white-space:nowrap;padding-top:3px}.source-entry-disclosure>summary i{display:inline-block;font-style:normal}.source-entry-disclosure[open]>summary i{transform:rotate(180deg)}.source-entry-content{padding:0 15px 16px}.source-entry-disclosure>summary:focus-visible,.source-preview-disclosure>summary:focus-visible{outline:3px solid var(--c-accent);outline-offset:3px}
.source-entry-disclosure>summary>div{min-width:0}.source-group-location{display:block;color:var(--c-brand-2);font-size:12px;line-height:1.8;margin-bottom:6px}
@media(max-width:1050px){.article-related-grid,.article-entity-links{grid-template-columns:minmax(0,1fr)}}
@media(max-width:760px){
 body:has(.reading-article){background:var(--c-brand-tint)}body:has(.reading-article) .mobile-bar .mobile-consult{background:var(--c-brand-2);color:#fff}
 .reading-article .article-sheet{padding:20px 17px;border-radius:9px}.reading-article .article-header h1{font-size:24px;line-height:1.5;margin:11px 0 13px}.reading-article .article-header .tags{gap:5px}.reading-article .article-header .tags>span{font-size:11px;padding:3px 7px}.reading-article .article-meta{font-size:12px}.reading-article .article-summary{margin:14px 0;padding:12px 14px}.reading-article .article-summary p{font-size:14px;line-height:1.85}.reading-article .article-quick-links{gap:8px;margin:13px 0}.reading-article .article-quick-links>a{font-size:13px;padding:9px 11px}.reading-article .article-intro-with-art{padding:12px;grid-template-columns:minmax(0,1fr) 86px;gap:12px;margin:14px 0}.reading-article .article-intro-with-art .article-summary p{color:var(--c-text)}.reading-article .article-intro-with-art .editorial-article-cover img{height:auto;max-height:128px;object-fit:contain}
 .reading-article .mobile-toc{background:var(--c-brand-tint);border-color:var(--c-line);margin:13px 0 17px;border-radius:7px;box-shadow:0 3px 8px #24508906}.reading-article .mobile-toc summary{color:var(--c-brand-2)}.reading-article .mobile-toc [data-reading-current],.reading-article .reading-toc-chevron{color:var(--c-muted)}.reading-article .reading-navigation-ready .mobile-toc>nav{background:var(--c-brand-tint);border-color:var(--c-line);box-shadow:0 8px 16px #24508910}.reading-article .mobile-toc nav>a{color:var(--c-brand-2)}.reading-article [data-reading-toc] a[aria-current=location]{background:var(--c-brand-soft);color:var(--c-brand-2)}
 .reading-article .richtext h2{font-size:20px;line-height:1.6;margin:25px 0 15px;padding-left:11px}.reading-article .richtext h3{font-size:17px}.reading-article .richtext p,.reading-article .richtext li{font-size:16px;line-height:1.95}.reading-article .richtext .check-list{padding:12px 13px 12px 29px}.reading-article .richtext .check-list li{font-size:15px;line-height:1.9}.reading-article .editorial-article-cover{margin:15px 0}.reading-article .editorial-article-cover figcaption{font-size:11px}
 .article-next{margin-top:25px;padding:17px 13px;border-radius:8px}.article-next-heading h2{font-size:20px;margin:5px 0 14px}.article-entity-links{gap:9px}.article-entity-links>a{min-height:74px;padding:10px}.article-entity-links b{font-size:15px}.article-entity-links small{font-size:11px}.article-next-consult{padding:13px 12px;gap:8px}.article-next-consult b{font-size:14px}.article-next-consult small{font-size:11px}.article-next-consult>.icon{display:none}.article-browse-links{gap:14px;margin:12px 0}.article-browse-links>a{font-size:13px}.article-related{margin:25px 0}.article-related-grid{gap:0;border-top:1px solid var(--article-line)}.article-related-card{padding:16px 0;border:0;border-bottom:1px solid var(--article-line);border-radius:0;gap:12px}.article-related-card>img{width:80px;height:70px;margin-top:3px}.article-related-card b{font-size:15px;line-height:1.7}.article-related-card small{font-size:11px}.article-related-read{font-size:12px;margin-top:5px}
 .reading-article .source-shortcuts{padding:14px 12px;margin-bottom:18px}.reading-article .source-shortcuts-heading{gap:9px}.reading-article .source-shortcuts h2{font-size:16px}.reading-article .source-shortcuts-actions{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:12px}.reading-article .source-shortcuts-actions>a:only-child{grid-column:1/-1}.reading-article .source-shortcuts .source-action{font-size:12px;padding:9px 7px;gap:5px;white-space:normal;text-align:center}.reading-article .source-shortcuts .source-action .icon{display:none}.reading-article .source-shortcuts-note{font-size:12px;line-height:1.85}
 .source-entry-disclosure>summary{padding:12px;gap:9px}.reading-article .source-entry-disclosure>summary h3{font-size:15px}.reading-article .source-entry-disclosure>summary .article-meta{font-size:11px}.source-entry-disclosure>summary>b{font-size:11px}.source-entry-content{padding:0 12px 14px}.reading-article .source-file-card .source-action{min-height:44px;font-size:12px}.reading-article #article-next{scroll-margin-top:calc(var(--reading-header-height,67px) + 58px - 82px)}
}
@media(max-width:360px){.reading-article .article-header h1{font-size:23px}.reading-article .article-quick-links>a{padding:9px;font-size:12px}.article-related-card>img{width:66px;height:63px}.source-entry-disclosure>summary{flex-wrap:wrap}.source-entry-disclosure>summary>b{padding:0}.reading-article .source-shortcuts-actions{grid-template-columns:minmax(0,1fr)}}
.article-body-art{margin:20px 0 24px;max-width:640px}.article-body-art img{display:block;width:100%;height:auto;border-radius:10px;background:var(--c-brand-tint);box-shadow:0 1px 2px rgb(15 39 66/.06),0 8px 24px -12px rgb(15 39 66/.22)}
@media(max-width:760px){.article-body-art{margin:16px 0 20px}.article-body-art img{border-radius:8px}}
.article-siblings{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:30px 0 0;padding-top:24px;border-top:1px solid var(--article-line)}
.article-sibling{position:relative;display:flex;flex-direction:column;gap:7px;min-width:0;min-height:96px;padding:16px 18px;border:1px solid var(--article-line);border-radius:10px;background:#fff;color:var(--article-ink);transition:border-color .2s,box-shadow .2s,transform .2s}
a.article-sibling:hover{border-color:var(--article-blue);box-shadow:0 6px 18px #0e20361a;transform:translateY(-1px);color:var(--article-ink)}
a.article-sibling:focus-visible{outline:3px solid var(--c-accent-strong);outline-offset:3px}
.article-sibling__label{display:inline-flex;align-items:center;gap:6px;font-size:12px;letter-spacing:.06em;color:var(--article-blue);font-weight:600}
.article-sibling__label .icon{width:14px;height:14px;flex:none}
.article-sibling--prev .article-sibling__label .icon{transform:scaleX(-1)}
.article-sibling--next .article-sibling__label{flex-direction:row-reverse;justify-content:flex-end}
.article-sibling b{font-size:15px;line-height:1.65;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;text-wrap:pretty}
.article-sibling small{font-size:11px;color:var(--article-muted)}
.article-sibling--empty{background:var(--c-brand-tint);border-style:dashed}
.article-sibling--empty b{font-size:13px;font-weight:400;color:var(--article-muted)}
.article-sibling--empty .article-sibling__label{color:var(--article-muted)}
@media(prefers-reduced-motion:reduce){.article-sibling{transition:none}a.article-sibling:hover{transform:none}}
@media(max-width:760px){
 .article-siblings{grid-template-columns:1fr;gap:0;margin-top:24px;padding-top:0;border:1px solid var(--article-line);border-radius:10px;overflow:hidden;background:#fff}
 .article-sibling{min-height:0;padding:13px 14px;border:0;border-radius:0;gap:4px}
 .article-sibling--prev:not(.article-sibling--empty)+.article-sibling--next{border-top:1px solid var(--article-line)}
 .article-sibling b{font-size:14px;-webkit-line-clamp:2}
 a.article-sibling:hover{box-shadow:none;transform:none;background:var(--c-brand-tint)}
 .article-sibling--empty{display:none}
}