/* 中文八页专用：不改变共享样式及英文站。 */
body.cn-hierarchy :is(dt,dd,th,td,label,input,button,summary,figcaption,small){font-size:18px!important}
body.cn-hierarchy .ch-card :is(p,span),body.cn-hierarchy .ch-secondary :is(p,a),body.cn-hierarchy .ch-data :is(p,li){font-size:18px}
body.cn-hierarchy :is(h1,h2,h3,h4,h5,h6){min-width:0}
body.cn-hierarchy :is(h4,h5,h6){font-size:20px}
.cn-hierarchy .ch-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.cn-hierarchy .ch-grid.ch-four{grid-template-columns:repeat(2,minmax(0,1fr))}
.cn-hierarchy .ch-card{display:flex;flex-direction:column;min-width:0;border:1px solid #e4e0d9;background:#fff;transition:border-color .2s,transform .2s}
.cn-hierarchy .ch-card:hover{border-color:#e68908;transform:translateY(-3px)}
.cn-hierarchy .ch-card:focus-visible{outline:3px solid #e68908;outline-offset:4px}
.cn-hierarchy .ch-card .ch-image{overflow:hidden;background:#f5f5f3;display:block}
.cn-hierarchy .ch-card img{display:block;width:100%;height:260px!important;object-fit:contain;background:#f5f5f3;transition:transform .25s}
.cn-hierarchy .ch-card:hover img{transform:scale(1.035)}
.cn-hierarchy .ch-copy{display:flex;flex-direction:column;flex:1;padding:28px}
.cn-hierarchy .ch-copy h3{font-size:28px;line-height:1.4;margin:0 0 18px;color:#171824}
.cn-hierarchy .ch-copy p{margin:0 0 24px;line-height:1.8;color:#555963}
.cn-hierarchy .ch-link{margin-top:auto;color:#945300;font-weight:500}
.cn-hierarchy .ch-secondary{display:flex;align-items:center;gap:24px;padding:24px 28px;margin-top:28px;border-left:4px solid #e68908;background:#f5f3ef}
.cn-hierarchy .ch-secondary h3{margin:0;white-space:nowrap;font-size:26px}
.cn-hierarchy .ch-secondary p{margin:0;flex:1}
.cn-hierarchy .ch-secondary a{white-space:nowrap;color:#945300}
.cn-hierarchy .ch-return{display:flex;flex-wrap:wrap;gap:16px 28px;margin:24px 0}
.cn-hierarchy .ch-data{margin:24px 0;padding:24px;border-left:3px solid #e68908;background:#f5f3ef}
.cn-hierarchy .ch-data ul{margin:16px 0 0;padding-left:24px}
.cn-hierarchy .ch-data li{padding:6px 0}
.cn-hierarchy .ch-data h3{font-size:24px}
.cn-hierarchy .ch-checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 40px;padding-left:24px}
.cn-hierarchy .ch-media-note{color:#555963;padding-top:12px}
.cn-hierarchy .ch-archive summary{font-size:22px!important}
.cn-hierarchy .ch-archive .cn-section{width:100%;max-width:none}
.cn-hierarchy .ch-intro{margin-bottom:32px}
.cn-hierarchy .ch-card :is(h3,p){overflow-wrap:anywhere}
@media(max-width:900px){.cn-hierarchy .ch-grid{grid-template-columns:1fr}.cn-hierarchy .ch-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.3fr)}.cn-hierarchy .ch-card img{height:100%!important;min-height:240px}.cn-hierarchy .ch-secondary{flex-wrap:wrap}.cn-hierarchy .ch-secondary p{flex-basis:65%}}
@media(max-width:600px){.cn-hierarchy .ch-grid.ch-four,.cn-hierarchy .ch-card,.cn-hierarchy .ch-checks{grid-template-columns:1fr}.cn-hierarchy .ch-grid{gap:22px}.cn-hierarchy .ch-card img{height:230px!important;min-height:0}.cn-hierarchy .ch-copy{padding:22px}.cn-hierarchy .ch-copy h3{font-size:26px}.cn-hierarchy .ch-secondary{padding:22px;gap:12px}.cn-hierarchy .ch-secondary p{flex-basis:100%}.cn-hierarchy .ch-secondary a{white-space:normal}.cn-hierarchy .ch-data{padding:20px}.cn-hierarchy .cn-links a{max-width:100%}}
@media(prefers-reduced-motion:reduce){body.cn-hierarchy *,body.cn-hierarchy *::before,body.cn-hierarchy *::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* 仅三类产品总览：平板双列，卡内图文上下排列；桌面和手机规则保持。 */
@media (min-width:601px) and (max-width:900px){
body.cn-hierarchy.product-overview .ch-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
body.cn-hierarchy.product-overview .ch-card{display:flex;flex-direction:column}
body.cn-hierarchy.product-overview .ch-card img{height:240px!important;min-height:0}
}