/* Front-end collections and detail pages; retain the homepage brand and type scale. */
.case-archive-intro{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:26px;flex-wrap:wrap}
.case-archive-intro>p{font-size:1rem;line-height:1.85;color:var(--muted);max-width:44em}
.case-group-navigation{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:52px}
.case-group-navigation>a{font-size:1rem;color:var(--brand-link);padding:11px 18px;border:1px solid #c6daed;background:#f4f9ff;display:flex;align-items:center;gap:20px}
.case-group-navigation>a>span{font-size:.875rem;color:#526471}
.case-archive-group{margin-bottom:60px;scroll-margin-top:115px}
.case-archive-group .section-heading{margin-bottom:26px}.case-archive-group .section-description{font-size:1rem;max-width:30em}
.case-archive-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.case-archive-grid.two-columns{grid-template-columns:repeat(2,minmax(0,1fr))}
.case-archive-card{border:1px solid var(--line);background:white;min-width:0;display:flex;flex-direction:column}
.case-archive-image{height:245px;position:relative;overflow:hidden;display:block;background:#f0f5fa}
.case-archive-grid.two-columns .case-archive-image{height:280px}
.case-archive-image>img{width:100%;height:100%;object-fit:cover;transition:transform .4s}
.case-archive-image:hover>img{transform:scale(1.04)}
.case-archive-image>span{position:absolute;top:16px;left:18px;padding:3px 10px;background:#ffffffed;color:#526471;font-size:.875rem}
.case-archive-content{padding:24px;display:flex;flex-direction:column;flex:1}
.case-archive-content h3{font-size:1.25rem;line-height:1.65;font-weight:500;margin-bottom:20px}
.case-archive-content>.small-link{justify-content:space-between;border-top:1px solid var(--line);padding-top:16px;margin-top:auto}
.case-consult-panel{display:flex;align-items:center;justify-content:space-between;gap:25px;background:#f0f8ff;border:1px solid #d5e6f5;padding:30px;margin-top:15px}
.case-consult-panel h2{font-size:1.5rem;color:var(--brand-title);line-height:1.5}.case-consult-panel p{font-size:1rem;color:var(--muted);margin-top:14px;line-height:1.85}
@media(max-width:960px){.case-archive-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-archive-image,.case-archive-grid.two-columns .case-archive-image{height:235px}.case-consult-panel{flex-direction:column;align-items:flex-start}}
@media(max-width:640px){.case-group-navigation{gap:10px;margin-bottom:35px}.case-group-navigation>a{font-size:.9375rem;padding:10px 13px;gap:15px}.case-archive-grid,.case-archive-grid.two-columns{grid-template-columns:1fr;gap:23px}.case-archive-image,.case-archive-grid.two-columns .case-archive-image{height:230px}.case-archive-content{padding:22px}.case-archive-content h3{font-size:1.25rem}.case-archive-intro>.small-link{font-size:.9375rem}.case-archive-group{margin-bottom:42px}.case-archive-group .section-heading h2{font-size:1.75rem}.case-consult-panel{padding:23px}.case-consult-panel h2{font-size:1.375rem}.case-consult-panel .button{width:100%;justify-content:space-between}}
.page-faq{border-top:1px solid var(--line);padding-top:34px;margin-top:38px;scroll-margin-top:115px}
.page-faq-heading{margin-bottom:22px}
.page-faq-heading>.eyebrow{font-size:.8125rem;color:#526471;margin-bottom:13px}
.page-faq-heading h2{font-size:1.75rem;line-height:1.5;color:var(--brand-title);margin-bottom:12px}
.page-faq-heading>p:not(.eyebrow){font-size:.9375rem;line-height:1.85;color:#526471;max-width:46em}
.page-faq-items{max-width:860px}
.page-faq-item{border-bottom:1px solid var(--line)}
.page-faq-item>summary{list-style:none;display:flex;align-items:center;gap:15px;padding:20px 0;cursor:pointer}
.page-faq-item>summary::-webkit-details-marker{display:none}
.page-faq-number{font-size:.875rem;color:#627684;flex-shrink:0;min-width:20px}
.page-faq-item h3{font-size:1.125rem;line-height:1.8;font-weight:500;color:var(--ink);margin:0}
.page-faq-item[open] .faq-plus:after{transform:rotate(0)}
.page-faq-answer{padding:0 10px 24px 35px}
.page-faq-answer>p{font-size:1.125rem;line-height:1.9;color:var(--muted);margin:0;overflow-wrap:anywhere}
.article-body .page-faq-heading>p:not(.eyebrow){font-size:.9375rem;line-height:1.85}
.article-body .page-faq{margin-bottom:36px}
@media(max-width:640px){.page-faq{padding-top:28px;margin-top:30px}.page-faq-heading h2{font-size:1.5rem}.page-faq-heading>p:not(.eyebrow),.article-body .page-faq-heading>p:not(.eyebrow){font-size:.875rem}.page-faq-item h3,.page-faq-answer>p{font-size:1rem;line-height:1.85}.page-faq-item>summary{gap:10px;padding:20px 0}.page-faq-number{font-size:.8125rem;min-width:18px}.page-faq-answer{padding-left:28px;padding-right:0}}
.breadcrumbs{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding-top:25px;padding-bottom:25px;font-size:.875rem;color:#526471}
.breadcrumbs a:hover{color:var(--brand-link)}
.collection-hero{background:var(--paper);border-block:1px solid var(--line);padding:42px 0 48px}
.collection-hero h1{font-size:2.5rem;line-height:1.5;color:var(--brand-title);margin-top:16px}
.collection-hero>.container>p:last-child{font-size:1.125rem;line-height:1.85;color:var(--muted);max-width:48em;margin-top:16px}
.collection-section{padding:44px 0 75px}
.catalog-layout{display:grid;grid-template-columns:240px minmax(0,1fr);gap:38px;align-items:start}
.catalog-sidebar{position:sticky;top:112px}
.category-tree{border:1px solid var(--line);background:white}
.category-tree>summary{padding:18px 20px;font-size:1.125rem;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;list-style:none}
.category-tree>summary::-webkit-details-marker{display:none}
.category-tree>summary>span{color:var(--brand-link)}
.category-tree-body{padding:0 12px 14px}
.category-button{display:flex;width:100%;align-items:center;justify-content:space-between;gap:10px;padding:13px 12px;font-size:1rem;text-align:left;min-height:48px}
.category-button>span{font-size:.8125rem;color:#526471;font-weight:400}
.category-button.active,.category-children .active{background:#e9f4ff;color:var(--brand-link);font-weight:500}
.category-group{border-top:1px solid var(--line);padding:4px 0}
.category-children{padding:0 0 6px 15px;display:grid}
.category-children>a,.category-children>button{display:flex;justify-content:space-between;align-items:center;min-height:44px;font-size:.875rem;color:#526471;text-align:left;padding:7px 10px}
.category-children .icon{height:14px;width:14px;color:var(--brand-link)}
.sidebar-help{padding:22px 18px;background:#f0f8ff;margin-top:20px}
.sidebar-help h3{font-size:1.125rem}.sidebar-help p{font-size:.9375rem;line-height:1.85;color:var(--muted);margin:12px 0}
.sidebar-help .small-link{font-size:.9375rem}
.listing-toolbar{display:flex;justify-content:space-between;align-items:flex-end;gap:25px;flex-wrap:wrap;border-bottom:1px solid var(--line);padding-bottom:24px;margin-bottom:26px}
.listing-toolbar h2,.listing-heading h2{font-size:1.5rem;line-height:1.5}
.listing-toolbar p,.listing-heading p{font-size:.9375rem;color:var(--muted);margin-top:6px}
.listing-search{display:flex;min-width:220px;width:min(100%,340px);background:white;border:1px solid #b8cde1;align-items:center}
.listing-search input{min-width:0;width:100%;padding:13px 15px;border:0;background:transparent;font-size:1rem;color:var(--ink)}
.listing-search input::placeholder{color:#5e7485}
.listing-search>button{min-height:50px;padding:10px 14px;color:var(--brand-link)}
.catalog-product-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 20px}
.catalog-product-grid .product-image{height:240px}.catalog-product-grid .product-info h3{font-size:1.125rem}.catalog-product-grid .product-info p{font-size:1rem}
.catalog-note{margin-top:35px;padding-top:22px;border-top:1px solid var(--line);font-size:.875rem;line-height:1.8;color:#526471}
.listing-empty{text-align:center;border:1px dashed #b6cde3;padding:45px 25px;background:#f9fcff}
.listing-empty h3{font-size:1.25rem}.listing-empty p{font-size:1rem;color:var(--muted);margin:13px 0 22px}
.listing-empty .button{margin-right:15px}
.editorial-section{background:#f4f8fc;border-top:1px solid var(--line);margin-bottom:75px}
.editorial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;align-items:stretch}
.editorial-card{border:1px solid var(--line);background:white;display:flex;flex-direction:column;min-width:0}
.editorial-cover{display:block;height:215px;position:relative;overflow:hidden;background:#f0f4f7}
.editorial-cover img{width:100%;height:100%;object-fit:cover;object-position:center 38%;transition:transform .4s}
.editorial-cover:hover img{transform:scale(1.04)}.editorial-cover.contain img{object-fit:contain;padding:22px}
.editorial-cover>span{position:absolute;left:18px;top:16px;background:white;padding:3px 10px;color:var(--brand-link);font-size:.875rem}
.editorial-content{padding:24px;display:flex;flex-direction:column;flex:1}
.editorial-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:.8125rem;color:#526471}
.editorial-content h3{font-size:1.25rem;line-height:1.7;margin-top:14px;overflow-wrap:anywhere}
.editorial-content h3 a:hover{color:var(--brand-link)}
.editorial-content>p:not(.editorial-meta){font-size:1rem;line-height:1.85;color:var(--muted);margin:12px 0 20px}
.editorial-content>.small-link{margin-top:auto;font-size:1rem;justify-content:space-between;border-top:1px solid var(--line);padding-top:14px}
.article-topics,.article-filters{display:flex;align-items:center;flex-wrap:wrap;gap:10px 16px}
.article-topics{margin-bottom:26px}.article-topics>a{font-size:.9375rem;border:1px solid #c4d9ee;padding:5px 15px;background:white;color:var(--brand-link)}
.editorial-listing-heading{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:25px;margin-bottom:30px}
.article-filters>button{font-size:1rem;padding:10px 15px;border:1px solid var(--line);min-height:48px}
.article-filters>button.active{color:var(--brand-link);background:#e9f4ff;border-color:#a4d5ff}
.listing-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}
.draft-notice,.technical-note{border-left:3px solid #5a9ed6;padding:15px 20px;background:#eff7ff;color:#526471;font-size:.9375rem;line-height:1.85;margin-bottom:28px}
.product-detail-section{padding-bottom:75px}
.product-detail-hero{display:grid;grid-template-columns:1fr 1.1fr;gap:65px;align-items:center;padding:25px 0 45px}
.detail-product-image{background:#f2f6fb;border:1px solid var(--line);min-height:410px;display:flex;align-items:center;justify-content:center;overflow:hidden}
.detail-product-image>img{height:330px;width:auto;max-width:85%;object-fit:contain;mix-blend-mode:multiply}
.detail-product-image.product-equipment .tolube-crop{height:330px;width:238px}
.detail-product-image.product-equipment .tolube-crop>img{height:330px;width:auto}
.product-detail-intro h1{font-size:2.5rem;color:var(--brand-title);line-height:1.45;margin:15px 0}
.product-detail-intro>p:not(.eyebrow){font-size:1.125rem;line-height:1.85;color:var(--muted)}
.product-facts{margin:25px 0;font-size:1rem}.product-facts>div{display:grid;grid-template-columns:115px minmax(0,1fr);gap:15px;border-top:1px solid var(--line);padding:12px 0}
.product-facts dt{color:#526471}.product-facts dd{margin:0}.product-facts a{color:var(--brand-link)}
.detail-actions{display:flex;align-items:center;flex-wrap:wrap;gap:15px 24px}
.detail-section-nav{display:flex;flex-wrap:wrap;gap:35px;padding:18px 0;border-block:1px solid var(--line);font-size:1rem;color:var(--brand-link)}
.product-detail-copy{max-width:900px;padding-top:25px}
.product-detail-copy section{padding:20px 0}.product-detail-copy h2,.article-body h2{font-size:1.75rem;line-height:1.5;margin-bottom:20px;color:var(--brand-title)}
.product-detail-copy p,.product-detail-copy li{font-size:1.125rem;line-height:1.9;color:var(--muted)}
.product-detail-copy ul{padding-left:24px}.product-detail-copy li{margin:12px 0}.product-detail-copy .technical-note{font-size:.9375rem}
.related-section{border-top:1px solid var(--line);padding-top:40px;margin-top:30px}
.related-section .section-heading{align-items:center}.related-section h2{font-size:1.75rem;color:var(--brand-title)}
.related-products{grid-template-columns:repeat(2,minmax(0,1fr));max-width:650px}
.article-detail{padding-bottom:75px}.article-heading{max-width:1050px;margin:15px auto 45px}
.article-heading h1{font-size:2.5rem;line-height:1.55;color:var(--brand-title);margin:17px 0 20px}
.article-summary{font-size:1.125rem;line-height:1.9;color:var(--muted);max-width:48em}
.article-byline{display:flex;flex-wrap:wrap;gap:12px 25px;font-size:.9375rem;color:#526471;margin-top:24px;padding-bottom:25px;border-bottom:1px solid var(--line)}
.article-layout{display:grid;grid-template-columns:240px minmax(0,760px);justify-content:space-between;gap:50px;align-items:start}
.article-toc{position:sticky;top:115px;border-left:2px solid #c9e0f3;padding-left:20px}
.article-toc>strong{font-size:1.125rem;font-weight:500}.article-toc nav{display:grid;gap:12px;margin-top:20px}
.article-toc a{display:flex;gap:10px;align-items:flex-start;font-size:.9375rem;line-height:1.8;color:#526471;padding:5px 0}
.article-toc a:hover{color:var(--brand-link)}.article-toc a>span{font-size:.8125rem;line-height:2;color:#5d7d94}
.article-body{min-width:0}.article-body section{margin-bottom:36px;scroll-margin-top:115px}
.article-body p,.article-body li{font-size:1.125rem;line-height:1.95;color:var(--muted);overflow-wrap:anywhere}
.article-body section>p+p{margin-top:20px}.article-body ul{padding-left:24px;margin:20px 0}.article-body li{padding-left:3px;margin:10px 0}
.article-body .draft-notice{font-size:.9375rem;line-height:1.85}
.article-references{border-top:1px solid var(--line);padding-top:30px}.article-references a{color:var(--brand-link)}.article-references .icon{height:16px;width:16px;vertical-align:middle}
.article-contact{padding:27px;background:#f0f8ff;border:1px solid #d3e5f5;margin-top:35px}.article-contact p{margin-bottom:20px}
.article-pagination{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:35px;border-top:1px solid var(--line);padding-top:25px}
.article-pagination>a{display:block;position:relative;padding-right:22px}.article-pagination span{display:block;color:#526471;font-size:.875rem}
.article-pagination strong{display:block;font-size:1rem;line-height:1.8;font-weight:500;margin:10px 0;color:var(--brand-link)}.article-pagination .icon{width:15px;height:15px;position:absolute;right:0;top:5px}
.visit-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:28px;margin-top:35px;padding-top:35px;border-top:1px solid #26323830}
.visit-info{padding:30px;background:#fff;color:var(--ink)}.visit-info>.eyebrow{color:#526471;font-size:.8125rem}
.visit-info h3{font-size:1.75rem;line-height:1.5;margin:12px 0 17px;color:var(--brand-title)}
.visit-info>p:not(.eyebrow){font-size:1.125rem;line-height:1.85}.visit-info>.visit-note{font-size:1rem!important;color:var(--muted);margin-top:15px}
.visit-actions{display:flex;flex-wrap:wrap;align-items:center;gap:15px 23px;margin-top:24px}.visit-actions .button{font-size:1rem;gap:15px}.visit-actions .small-link{font-size:.9375rem}
.copy-address-status{width:100%;font-size:.9375rem;color:var(--muted)}
.amap-panel{display:flex;flex-direction:column;background:#edf5fc;border:1px solid #d4e4f2;min-width:0}
.amap-panel iframe{border:0;display:block;width:100%;height:300px;background:white;flex:1;min-height:300px}
.amap-panel>p{padding:12px 16px;font-size:.875rem;line-height:1.8;color:#526471;background:white}.amap-panel>p>a{color:var(--brand-link);text-decoration:underline;text-underline-offset:3px}
@media(max-width:1200px){.brand>span{display:none}.catalog-layout{grid-template-columns:215px minmax(0,1fr);gap:25px}.catalog-product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-grid{gap:20px}.editorial-content{padding:20px}.editorial-meta{font-size:.8125rem}.product-detail-hero{gap:35px}.article-layout{gap:35px;grid-template-columns:210px minmax(0,1fr)}}
@media(max-width:1000px){.header-cta{display:none}.main-nav{gap:20px}}
@media(max-width:900px){.catalog-layout{grid-template-columns:1fr}.catalog-sidebar{position:static}.sidebar-help{display:none}.category-tree-body{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.category-tree-body>.category-button{grid-column:1/-1}.category-group{border:1px solid var(--line);padding:5px}.article-layout{grid-template-columns:1fr;gap:25px}.article-toc{position:static;padding:20px;border:1px solid var(--line);background:#f9fcff}.article-toc nav{grid-template-columns:1fr 1fr;gap:5px 25px}.article-detail .related-products{max-width:none}.visit-grid{grid-template-columns:1fr}.editorial-grid{grid-template-columns:1fr}.editorial-card{display:grid;grid-template-columns:.7fr 1fr}.editorial-cover{height:100%;min-height:245px}.editorial-section{margin-bottom:52px}}
@media(max-width:820px){.main-nav{display:none;position:absolute;top:100%;left:0;right:0;height:auto;margin:0;padding:8px 20px 19px;background:white;border-bottom:1px solid var(--line);flex-direction:column;align-items:stretch;gap:0}.main-nav.is-open{display:flex}.main-nav>a{height:auto;padding:12px 3px;min-height:48px}.main-nav>a:after{left:auto;right:4px;bottom:23px}.menu-toggle{display:flex;height:38px;width:34px;flex-direction:column;align-items:center;justify-content:center;gap:5px;padding:0;margin-left:auto}.menu-toggle>span{height:1px;width:19px;background:var(--ink)}}
@media(max-width:640px){
  .breadcrumbs{font-size:.875rem;padding-top:19px;padding-bottom:19px;gap:8px 10px}
  .collection-hero{padding:30px 0 33px}.collection-hero h1{font-size:1.875rem;line-height:1.5}.collection-hero>.container>p:last-child{font-size:1rem;line-height:1.85}
  .collection-section{padding:30px 0 50px}.catalog-layout{gap:27px}.category-tree>summary{font-size:1rem;padding:15px 17px}
  .category-tree-body{grid-template-columns:1fr;gap:8px}.category-tree-body>.category-button{grid-column:auto}.category-group{border:0;border-top:1px solid var(--line)}
  .listing-toolbar{gap:20px}.listing-toolbar h2,.listing-heading h2{font-size:1.375rem}.listing-search{width:100%;min-width:0}.listing-toolbar p{font-size:.875rem}
  .catalog-product-grid{gap:27px 15px}.catalog-product-grid .product-image{height:180px}.catalog-product-grid .product-info h3{font-size:1.125rem}.catalog-product-grid .product-info p{font-size:1rem}
  .listing-empty{padding:30px 20px}.listing-empty .button{margin:0 0 12px}.listing-empty>.small-link{justify-content:center}
  .editorial-card{display:flex}.editorial-cover{height:200px;min-height:0}.editorial-content{padding:22px}.editorial-grid{gap:24px}
  .editorial-content h3{font-size:1.25rem}.editorial-content>p:not(.editorial-meta){font-size:1rem}.editorial-meta{font-size:.875rem}.editorial-section .section-heading{display:block}.editorial-section .section-heading>.small-link{margin-top:15px}
  .editorial-section{margin-bottom:50px}.article-filters{gap:9px}.article-filters>button{padding:8px 11px;font-size:.9375rem}.editorial-listing-heading{gap:20px}.listing-heading{align-items:flex-start;flex-direction:column;gap:3px}
  .draft-notice,.technical-note{font-size:.875rem;padding:14px 16px}
  .product-detail-hero{grid-template-columns:1fr;gap:28px;padding-top:5px}.detail-product-image{min-height:290px}.detail-product-image>img{height:245px}
  .detail-product-image.product-equipment .tolube-crop{height:245px;width:177px}.detail-product-image.product-equipment .tolube-crop>img{height:245px}
  .product-detail-intro h1{font-size:1.875rem}.product-detail-intro>p:not(.eyebrow){font-size:1rem}.product-facts{font-size:1rem}.product-facts>div{grid-template-columns:100px minmax(0,1fr);gap:10px}
  .detail-actions{display:block}.detail-actions>.button{width:100%;justify-content:space-between}.detail-actions>.small-link{margin-top:13px}
  .detail-section-nav{gap:15px 22px;font-size:.9375rem}.product-detail-copy h2,.article-body h2{font-size:1.5rem}.product-detail-copy p,.product-detail-copy li{font-size:1rem;line-height:1.9}
  .product-detail-copy .technical-note{font-size:.875rem}.related-section{padding-top:30px}.related-section h2{font-size:1.5rem}.related-products{gap:25px 15px}.related-section .section-heading{display:block}.related-section .small-link{margin-top:15px}
  .article-heading{margin-top:5px;margin-bottom:25px}.article-heading h1{font-size:1.875rem;line-height:1.6}.article-summary{font-size:1rem}.article-byline{font-size:.875rem;gap:8px 18px}
  .article-toc{padding:18px}.article-toc nav{grid-template-columns:1fr;gap:7px}.article-toc a{font-size:.9375rem}.article-body p,.article-body li{font-size:1rem;line-height:1.95}
  .article-body .draft-notice{font-size:.875rem}.article-contact{padding:22px}.article-contact>.button{width:100%;justify-content:space-between}.article-pagination{grid-template-columns:1fr;gap:24px}.article-pagination>a+a{border-top:1px solid var(--line);padding-top:20px}
  .article-detail,.product-detail-section{padding-bottom:50px}.visit-grid{padding-top:30px;gap:20px}.visit-info{padding:24px}.visit-info h3{font-size:1.5rem}.visit-info>p:not(.eyebrow){font-size:1rem}.visit-actions{display:block}.visit-actions>.button{width:100%;justify-content:space-between;font-size:.9375rem;padding:0 15px}.visit-actions>.small-link{margin-top:13px}.copy-address-status{display:block;font-size:.875rem}.amap-panel iframe{min-height:300px}.amap-panel>p{font-size:.875rem}
}

/* Static topic/category landing pages and source-backed case details. */
.breadcrumbs{flex-wrap:wrap;overflow-wrap:anywhere}
.seo-landing-grid{display:grid;grid-template-columns:240px minmax(0,1fr);gap:42px;align-items:start}
.seo-category-nav{border:1px solid var(--line);background:#f6faff;border-radius:10px;padding:20px}
.seo-category-nav summary{font-size:1rem;font-weight:600;cursor:pointer}
.seo-category-nav nav{display:flex;flex-direction:column;gap:2px;margin-top:14px}
.seo-category-nav a{padding:9px 10px;font-size:.9375rem;line-height:1.6;border-radius:6px}
.seo-category-nav a[aria-current=page],.seo-topic-links a[aria-current=page]{background:#dcefff;color:var(--brand-link);font-weight:600}
.seo-category-nav .seo-subcategory{padding-left:22px;color:var(--muted)}
.seo-tree-child{padding-left:24px!important;font-size:.875rem!important}
.seo-topic-links{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 30px}
.seo-topic-links a{display:inline-flex;gap:10px;align-items:center;min-height:44px;padding:8px 15px;border:1px solid var(--line);border-radius:8px;font-size:1rem}
.seo-topic-links a:hover,.seo-category-nav a:hover{background:#eef7ff;color:var(--brand-link)}
.seo-answer{padding:24px 26px;border-left:3px solid var(--brand-blue);background:#f2f8fe;margin-bottom:26px}
.seo-answer h2,.seo-guide h2,.seo-products h2,.seo-source h2,.seo-consult h2,.case-detail h2{font-size:1.5rem;line-height:1.5;margin-bottom:16px}
.seo-answer p,.seo-guide p,.seo-products>p,.seo-source p,.seo-consult p{font-size:1.125rem;line-height:1.85;color:var(--muted)}
.seo-answer .small-link,.seo-source .small-link{margin-top:16px}
.seo-guide,.seo-source,.seo-products{margin:32px 0}
.seo-guide ul{padding-left:24px;font-size:1.125rem;line-height:1.9;color:var(--muted)}
.seo-guide p+p{margin-top:16px}
.seo-consult{padding:28px;border:1px solid #d3e8fa;background:#f4faff;border-radius:12px;margin-top:38px}
.seo-consult .button{margin-top:20px}
.seo-card-summary,.seo-section-note{font-size:1rem;line-height:1.8;color:var(--muted);margin:12px 0 20px}
.article-filters>a{display:inline-flex;align-items:center;min-height:44px;padding:10px 18px;border:1px solid var(--line);border-radius:6px;font-size:1rem}
.article-filters>a:hover{background:#eef7ff;color:var(--brand-link)}
.product-detail-copy .product-technical{grid-column:1/-1}
.seo-spec-table-wrap{overflow-x:auto;margin:22px 0;border:1px solid var(--line);border-radius:8px}
.seo-spec-table{border-collapse:collapse;width:100%;text-align:left;font-size:1rem;line-height:1.8}
.seo-spec-table caption{text-align:left;padding:14px 18px;background:#f3f8fd;font-weight:600}
.seo-spec-table th,.seo-spec-table td{padding:12px 18px;border-top:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere}
.seo-spec-table thead{background:#edf6ff}
.seo-spec-table tbody th{width:40%;font-weight:500}
.seo-spec-table td{color:var(--muted)}
.product-technical>.technical-note{font-size:.875rem;line-height:1.85}
.product-technical>.technical-note>a{color:var(--brand-link);margin-left:8px;text-decoration:underline}
.case-detail{padding-bottom:70px}
.case-detail-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;align-items:start;gap:38px;margin-top:22px}
.case-detail-figure{margin:0}
.case-detail-photo{display:block;width:100%;height:auto;max-height:1000px;object-fit:contain;background:#f5f8fc;border:1px solid var(--line)}
.case-detail-figure figcaption{font-size:.875rem;line-height:1.8;color:var(--muted);margin-top:12px}
.case-detail-summary{position:sticky;top:116px;padding:24px;border:1px solid var(--line);border-top:3px solid var(--brand-blue);border-radius:8px;background:#f7fbff}
.case-detail-summary h2{font-size:1.25rem}
.case-detail-summary dl{margin:0}
.case-detail-summary dl>div{padding:13px 0;border-bottom:1px solid var(--line)}
.case-detail-summary dt{font-size:.875rem;color:var(--muted)}
.case-detail-summary dd{margin:5px 0 0;font-size:1rem;line-height:1.7;overflow-wrap:anywhere}
.case-detail-summary a:not(.button){color:var(--brand-link)}
.case-detail-summary .button{margin-top:24px;white-space:normal;width:100%;gap:16px}
@media(max-width:900px){
  .seo-landing-grid,.case-detail-layout{grid-template-columns:1fr;gap:26px}
  .seo-category-nav nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
  .case-detail-summary{position:static}
  .case-detail-summary dl{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}
  .case-detail-summary .button{width:auto}
}
@media(max-width:640px){
  .seo-answer{padding:20px}
  .seo-answer h2,.seo-guide h2,.seo-products h2,.seo-source h2,.seo-consult h2,.case-detail h2{font-size:1.25rem}
  .seo-answer p,.seo-guide p,.seo-guide ul,.seo-products>p,.seo-source p,.seo-consult p{font-size:1rem}
  .seo-consult{padding:22px}
  .seo-topic-links{gap:8px;margin-bottom:24px}
  .seo-topic-links a{font-size:.9375rem;padding:8px 12px}
  .seo-spec-table th,.seo-spec-table td{padding:10px 12px}
  .seo-category-nav{padding:16px}
  .seo-category-nav a{padding:8px 6px}
  .seo-category-nav .seo-subcategory{padding-left:12px}
  .case-detail{padding-bottom:45px}
  .case-detail-summary{padding:20px}
}
/* Synchronized company, product and application material. */
.source-copy { margin-top: 36px; }
.source-transcript { margin: 20px 0; padding: 20px 24px; border: 1px solid var(--border, #dfe8ee); border-radius: 12px; background: #f7fafc; }
.source-transcript summary { cursor: pointer; font-weight: 600; color: #168ad9; }
.source-transcript[open] summary { margin-bottom: 20px; }
.source-transcript p { overflow-wrap: anywhere; }
.source-video-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
.source-video { margin: 0; overflow: hidden; border-radius: 12px; background: #f2f6f9; }
.source-video video { display: block; width: 100%; aspect-ratio: 16 / 10; background: #18242d; object-fit: contain; }
.source-video figcaption { padding: 16px 20px; font-weight: 600; }
.source-company-intro { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px; align-items: start; }
.source-company-intro > img { width: 100%; height: auto; border-radius: 12px; }
.source-company p { margin: 16px 0; }
.source-company > section { margin-top: 44px; }
.source-company-contact { display: grid; grid-template-columns: minmax(0, 1fr) 200px; gap: 20px 36px; }
.source-company-contact h2 { grid-column: 1 / -1; }
.source-company-contact figure { margin: 0; text-align: center; }
.source-company-contact img { width: 180px; height: auto; max-width: 100%; }
.source-empty { padding: 24px; background: #f7fafc; border-radius: 12px; }
@media (max-width: 760px) {
  .source-company-intro, .source-video-grid, .source-company-contact { grid-template-columns: minmax(0, 1fr); }
  .source-company-intro { gap: 24px; }
  .source-company-contact figure { justify-self: start; }
  .source-transcript { padding: 16px; }
}