.site-ad-area{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(280px,100%),1fr));gap:18px;margin:24px 0}.site-ad-card{border:1px solid #dce6f2;border-radius:12px;background:#fff;overflow:hidden;min-width:0}.site-ad-card>a,.site-ad-card>div{display:block;text-decoration:none;color:#18385d}.site-ad-card img{display:block;width:100%;height:auto;object-fit:contain;background:#f4f7fc}.site-ad-copy{padding:20px}.site-ad-copy strong{font-size:18px;overflow-wrap:anywhere}.site-ad-copy p{font-size:14px;line-height:1.7;color:#637896;margin:8px 0;overflow-wrap:anywhere}.site-ad-copy span{color:#066cea;font-size:13px}.site-contact-bar{text-align:center;padding:22px}.site-support-button{border:1px solid #ccdbee!important;background:white!important;color:#215185!important;font:inherit!important;font-size:14px!important;border-radius:8px!important;padding:10px 18px!important;min-height:44px!important;cursor:pointer;margin-top:12px}.customer-summary-panel>.site-support-button{width:100%}.site-support-dialog{box-sizing:border-box;width:min(440px,calc(100vw - 32px));max-width:calc(100vw - 32px);max-height:calc(100dvh - 32px);overflow:auto;background:white;border:1px solid #cedded;border-radius:14px;padding:24px;color:#173653;font:15px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;box-shadow:0 18px 70px #132d5540}.site-support-dialog::backdrop{background:#11294477}.site-support-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.site-support-head h2{font-size:22px;margin:0}.site-support-head button{border:1px solid #cedded;background:#f4f8fd;border-radius:7px;padding:8px 13px;min-height:44px;font:inherit;color:#173653;cursor:pointer}.site-support-dialog p{font-size:14px;color:#536c88;margin:16px 0;overflow-wrap:anywhere}.site-support-dialog p span{display:block;font-size:12px;color:#72839a}.site-support-dialog a{color:#066cea}.site-support-qr{display:block;width:220px;max-width:100%;height:auto;margin:20px auto 10px}.site-support-dialog small{display:block;text-align:center;color:#657b97}.site-support-button:focus-visible,.site-ad-card a:focus-visible,.site-support-head button:focus-visible{outline:3px solid #1a73e8;outline-offset:3px}

.site-menu-toggle{display:none}
.site-support-dialog [data-copy-wechat]{margin:8px 0 0;padding:10px 14px;min-height:44px;border:1px solid #cbdcf0;border-radius:7px;background:#f3f7ff;color:#1767e8;cursor:pointer}
.site-support-dialog [data-copy-status]{display:block;margin-top:6px}
@media(max-width:760px){
 body .official-top:not(#modal .official-top),body .account-header{position:relative!important;top:auto!important;height:auto!important;min-height:56px!important;padding:6px 14px!important;display:flex!important;flex-wrap:wrap!important;align-items:center;justify-content:space-between;gap:0;box-sizing:border-box}
 body .official-top .official-brand,body .account-header .account-brand{font-size:19px;gap:8px}
 body .official-top .official-brand img,body .account-header .account-brand img{width:32px;height:32px}
 body .official-top .official-brand small{display:none}
 body .site-menu-toggle{display:block;min-width:60px;min-height:44px;border:1px solid #d6e3f4;border-radius:7px;background:white;color:#173b68;font:14px inherit}
 body .official-top:not(#modal .official-top)>nav,body .account-header>nav{display:none!important}
 body .official-top:not(#modal .official-top).site-menu-open>nav,body .account-header.site-menu-open>nav{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));flex:0 0 100%;width:100%;padding:8px 0;gap:8px;margin:0}
 body .official-top.site-menu-open>nav a,body .account-header.site-menu-open>nav a,body .account-header.site-menu-open>nav button{display:flex;align-items:center;justify-content:center;min-height:44px;margin:0;padding:6px;font-size:14px;box-sizing:border-box}
 .official-home .official-hero{padding-top:24px;padding-bottom:24px;gap:18px;min-height:0}
 .official-home .official-hero h1{font-size:29px;line-height:1.4;margin:10px 0 14px}
 .official-home .hero-product{min-height:0;max-height:210px}
 .official-home .hero-product img{max-height:180px;width:auto;max-width:100%;object-fit:contain}
 .official-home .catalog-heading{padding-top:16px}
 .official-home .catalog-back{margin-bottom:10px}
 .official-home .catalog-heading>.official-kicker{display:none}
 .official-home .catalog-heading h1{font-size:25px;margin:6px 0 8px}
 .official-home .catalog-heading>p:not(.official-kicker){margin-bottom:14px}
 .official-home .catalog-tabs{margin-bottom:16px;gap:24px}
 .official-home .official-section{scroll-margin-top:16px}
 .official-home .case-photo{aspect-ratio:4/3;max-height:220px}
 .official-home .case-card-copy{padding:14px 16px}
 .account-page .account-intro{gap:12px;padding-top:18px}
 .account-page .account-tabs{position:static;overflow-x:auto;white-space:nowrap}
}
@media(max-width:760px){
 .account-page .account-main{margin-top:18px}
 .account-page .account-intro{padding-top:0;margin-bottom:18px}
 .account-page .account-card>img{height:130px}
 .account-page .account-card-copy{padding:14px 16px}
 .account-page .account-card-actions{margin-top:14px}
 .account-page .account-card-actions a,.account-page .account-card-actions button{min-height:44px;display:inline-flex;align-items:center}
 .account-page .account-quote-product-image{height:120px}
 .account-page .account-quote-row{padding:18px;gap:12px}
}
/* Shared catalogue proportions: compact browsing, detailed images on demand. */
.official-home .official-products,.official-home .case-gallery{grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
.official-home .product-visual{height:180px}.official-home .product-visual img{height:160px}
.official-home .product-copy{padding:16px}.official-home .case-card{display:flex;flex-direction:column;height:100%}
.official-home .case-photo{aspect-ratio:1;max-height:none}.official-home .case-photo img{display:block;object-fit:contain}
.official-home .case-card-copy{padding:14px;display:flex;flex-direction:column;flex:1}
.official-home .case-card h3{font-size:17px;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:3em}
.official-home .case-tags{margin:10px 0 12px;gap:5px}.official-home .case-tags span{padding:3px 6px}
.official-home .case-card b{margin-top:auto;min-height:36px;display:flex;align-items:center}
.official-home .case-photo small{top:auto;bottom:8px;left:8px;font-size:11px;padding:3px 6px}
.catalog-load-more{display:block;min-height:44px;margin:24px auto;padding:10px 24px;border:1px solid #c7d8ed;border-radius:8px;background:white;color:#1767e8}
.catalog-case-detail{box-sizing:border-box;width:min(1000px,calc(100vw - 32px));max-height:90dvh;overflow:auto;border:1px solid #dae5f1;border-radius:14px;padding:24px;color:#17304e;background:white}
.catalog-case-detail::backdrop{background:#17304e88}.case-detail-close{display:block;margin:0 0 16px auto;min-height:44px;padding:8px 16px;border:1px solid #cfdeee;border-radius:7px;background:white;color:#17304e}
.case-detail-content{display:grid;grid-template-columns:1.2fr 1fr;gap:28px}.case-detail-large img{display:block;width:100%;height:380px;object-fit:contain;background:white}
.case-detail-thumbs{display:flex;gap:8px;overflow:auto}.case-detail-thumbs button{flex:0 0 64px;border:1px solid #cfdeee;border-radius:6px;padding:3px;background:white}.case-detail-thumbs button[aria-pressed=true]{border:2px solid #1767e8}.case-detail-thumbs img{width:56px;height:56px;object-fit:contain}
.case-detail-copy h1{font-size:25px;margin:0 0 16px}.case-detail-copy h2{font-size:17px;margin-top:24px}.case-detail-copy p{font-size:14px;white-space:pre-wrap;overflow-wrap:anywhere;color:#526780}.case-detail-caption{font-size:12px;color:#526780}.case-detail-copy .official-primary{margin-top:20px}
@media(min-width:761px) and (max-width:1100px){.official-home .official-products,.official-home .case-gallery{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){
 .official-home main{padding-left:16px;padding-right:16px}.official-home .official-section{padding:28px 0}
 .official-home .official-products,.official-home .case-gallery{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
 .official-home .product-card{display:flex;flex-direction:column;min-height:0}.official-home .product-visual{width:100%;height:120px}.official-home .product-visual img{width:100%;height:110px}
 .official-home .product-copy{padding:10px}.official-home .product-copy h3{font-size:16px;margin:5px 0;line-height:1.5}.official-home .product-copy>span{font-size:12px;color:#526780}
 .official-home #catalog-grid.official-products{grid-template-columns:1fr}.official-home #catalog-grid .product-card{flex-direction:row;align-items:center;min-height:126px;padding:10px;gap:10px}
 .official-home #catalog-grid .product-visual{flex:0 0 88px;width:88px;height:96px}.official-home #catalog-grid .product-visual img{height:88px}.official-home #catalog-grid .product-copy{padding:4px 44px 4px 0}
 .official-home .case-card-copy{padding:10px}.official-home .case-card h3{font-size:14px}.official-home .case-card b{font-size:12px}
 .official-home .case-tags{gap:4px;margin:8px 0}.official-home .case-tags span{font-size:11px;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
 .official-home .library-favorite{font-size:11px!important;padding:6px 8px!important;min-height:36px;right:6px;top:6px}
 .catalog-case-detail{padding:16px}.case-detail-content{grid-template-columns:1fr;gap:20px}.case-detail-large img{height:240px}.case-detail-copy h1{font-size:22px}
 .account-page .account-card{display:grid;grid-template-columns:88px minmax(0,1fr);align-items:start;padding:14px;gap:12px}.account-page .account-card>img{width:88px;height:96px}.account-page .account-card-copy{padding:0}.account-page .account-card h2{font-size:17px}.account-page .account-card-actions{gap:8px}.account-page .account-card-actions a{font-size:13px}
}
@media(max-width:760px){
 .official-home .product-visual{min-height:0!important}
 .official-home .case-card-copy{padding:10px;gap:0}
 .official-home .case-card h3{min-height:0}
 .official-home .case-card b{min-height:32px}
 .official-home .product-copy b{display:inline-flex;align-items:center;min-height:36px}
}
@media(max-width:760px){
 .case-quote-body .case-quote-main{margin-top:16px}
 .case-quote-body .case-quote-visual{display:grid;grid-template-columns:96px minmax(0,1fr);gap:10px 14px;padding:16px}
 .case-quote-body #case-image-gallery{grid-column:1;grid-row:1 / span 3;min-width:0}
 .case-quote-body .case-gallery-main{padding:0;border:0}
 .case-quote-body .case-gallery-main img{height:96px;aspect-ratio:auto;max-height:none}
 .case-quote-body .case-gallery-caption{font-size:11px;line-height:1.5;margin:6px 0}
 .case-quote-body .case-gallery-thumbs button{flex-basis:40px;padding:2px}
 .case-quote-body .case-gallery-thumbs img{width:32px;height:32px}
 .case-quote-body .case-quote-visual>h1{grid-column:2;margin:0;font-size:19px;line-height:1.5}
 .case-quote-body .case-quote-visual>p{grid-column:2;margin:0;font-size:12px}
 .case-quote-body .case-quote-visual>.case-tags{grid-column:2;margin:0;gap:4px}
 .case-quote-body .case-tags span{font-size:11px;padding:3px 5px}
 .case-quote-body .case-copy-section,.case-quote-body .case-quote-meta{grid-column:1 / -1;margin-top:6px}
 .case-quote-body .case-quote-form{padding:18px}
 .case-quote-body .case-quote-form h2{font-size:21px}
}
@media(max-width:760px){
 .case-catalog .product-filters{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px 8px;align-items:end}
 .case-catalog .product-filters>label{display:flex;flex-direction:column;align-items:stretch;gap:5px;min-width:0;margin:0}
 .case-catalog .product-filters>label:first-child{grid-column:1 / -1;flex-direction:row;align-items:center;white-space:nowrap}
 .case-catalog .product-filters>label:first-child input{flex:1;width:0}
 .case-catalog .product-filters>label[hidden],.case-catalog .catalog-clear-filters[hidden]{display:none!important}
 .case-catalog .product-filters :is(input,select){width:100%;min-width:0;box-sizing:border-box;font-size:13px}
 .case-catalog .product-filters>[role=status]{font-size:12px;align-self:center}
 .case-catalog .catalog-clear-filters{justify-self:end;min-height:36px;padding:6px 10px;font-size:12px}
}

/* Compact case detail: shared heading, balanced overview, full-width information and action row. */
.catalog-case-detail{width:min(960px,calc(100vw - 32px));padding:22px 24px 0}
.case-detail-header{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid #e4ebf4}
.case-detail-header h1{margin:0;font-size:26px;line-height:1.4;overflow-wrap:anywhere}
.case-detail-header .case-detail-close{margin:0;flex-shrink:0;min-height:40px;padding:6px 12px}
.catalog-case-detail .case-detail-content{align-items:start;grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:20px 28px}
.catalog-case-detail .case-detail-large img{height:300px}
.case-detail-gallery{min-width:0}.case-detail-caption{text-align:center;margin:8px 0 0;font-size:12px}
.case-detail-thumbs{margin-top:10px}
.catalog-case-detail .case-detail-copy{min-width:0}
.catalog-case-detail .case-intro-section{margin:0}
.catalog-case-detail .case-intro-section+.case-intro-section{margin-top:14px}
.catalog-case-detail .case-intro-section h2{margin:0 0 8px;font-size:18px;line-height:1.5}
.catalog-case-detail .case-intro-section p{margin:0;font-size:16px;line-height:1.75;color:#40556f;white-space:pre-wrap;overflow-wrap:anywhere}
.catalog-case-detail .case-detail-copy .case-demo-note{font-size:14px;line-height:1.6;color:#796126;background:#fff8e9;padding:8px 10px;border-radius:6px;margin:0 0 14px}
.case-detail-information{grid-column:1/-1;display:block;padding:16px 18px;background:#f6f8fc;border:1px solid #e8eef6;border-radius:10px;align-items:start}
.catalog-case-detail .case-detail-information>.case-intro-section{margin:0}
.case-effect-list{padding:0;list-style:none;margin:0;display:grid;gap:8px}
.case-effect-list li{display:grid;grid-template-columns:80px minmax(0,1fr);gap:10px;font-size:16px;line-height:1.7}
.case-effect-list strong{color:#17304e;font-weight:600}.case-effect-list span{color:#526780}
.catalog-case-detail .case-intro-section .case-custom-note{font-size:14px;color:#526780;margin-top:8px}
.case-detail-footer{grid-column:1/-1;display:flex;align-items:center;justify-content:space-between;gap:20px;position:sticky;bottom:0;padding:14px 0;background:#fff;border-top:1px solid #e4ebf4;z-index:1}
.case-technical-details{min-width:0;flex:1}
.case-technical-details summary{cursor:pointer;font-size:14px;color:#526780;min-height:32px;line-height:32px}
.case-technical-details .case-tags{margin-top:6px}
.case-detail-footer .official-primary{margin:0;min-height:44px;flex-shrink:0;justify-content:center;padding:10px 24px}
@media(max-width:700px){
 .catalog-case-detail{padding:16px 16px 0}
 .case-detail-header{gap:10px;margin-bottom:12px;padding-bottom:12px}.case-detail-header h1{font-size:22px}.case-detail-header .case-detail-close{font-size:12px;padding:6px 10px}
 .catalog-case-detail .case-detail-content{grid-template-columns:minmax(0,1fr);gap:16px}.catalog-case-detail .case-detail-large img{height:190px}
 .case-detail-information{grid-template-columns:minmax(0,1fr);gap:16px;padding:14px}.case-detail-information>.case-intro-section+.case-intro-section{padding-top:14px;border-top:1px solid #e1e8f2}
 .case-detail-footer{gap:10px;flex-wrap:wrap;padding:12px 0}.case-detail-footer .official-primary{padding:10px 14px;font-size:13px}.case-technical-details summary{font-size:14px}
}

/* Brief case selection: image, sentence, three tags and a single action. */
.catalog-case-detail.case-detail-minimal{width:min(900px,calc(100vw - 32px));padding:20px 24px}
.case-detail-minimal .case-detail-close{margin:0 0 12px auto}
.catalog-case-detail.case-detail-minimal .case-detail-content{grid-template-columns:minmax(0,1fr) minmax(0,1fr);align-items:center;gap:20px 28px}
.case-detail-minimal .case-detail-copy h1{font-size:26px;line-height:1.4;margin:0 0 18px}
.case-detail-minimal .case-short-intro{font-size:16px;line-height:1.7;margin:0;color:#40556f}
.case-short-tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 24px}.case-short-tags span{font-size:15px;line-height:1.5;padding:7px 12px;background:#edf4ff;border-radius:6px;color:#24538c;overflow-wrap:anywhere}
.case-detail-minimal .case-detail-copy .official-primary{margin:0;display:inline-flex;min-height:46px;align-items:center;padding:10px 24px;font-size:16px}
.case-detail-minimal .case-detail-copy .case-action-note{font-size:14px;line-height:1.7;margin:10px 0 0;color:#526780}
.case-demo-caption{font-size:13px;text-align:center;color:#796126;margin:6px 0 0}
.case-detail-disclosures{grid-column:1/-1;border-top:1px solid #e4ebf4;padding-top:10px}.case-detail-disclosures summary{font-size:14px;cursor:pointer;line-height:2.3;color:#526780}.case-detail-disclosures .case-intro-section{margin:12px 0!important}
@media(max-width:700px){.catalog-case-detail.case-detail-minimal{padding:16px}.catalog-case-detail.case-detail-minimal .case-detail-content{grid-template-columns:minmax(0,1fr);gap:18px}.case-detail-minimal .case-detail-copy h1{font-size:22px;margin-bottom:12px}.case-short-tags{margin:14px 0 18px}.case-detail-minimal .case-detail-copy .official-primary{display:flex;justify-content:center}}
/* Manual gallery navigation: the browser retains vertical touch scrolling. */
.case-carousel{position:relative}.case-carousel .case-detail-large{display:block;touch-action:pan-y;user-select:none}
.case-carousel-prev,.case-carousel-next{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border:1px solid #cbd9ec;border-radius:50%;background:#fffffff0;color:#17304e;font:30px/1 sans-serif;cursor:pointer;box-shadow:0 2px 8px #17304e14}
.case-carousel-prev{left:6px}.case-carousel-next{right:6px}.case-carousel-count{position:absolute;bottom:8px;right:10px;border-radius:14px;padding:3px 10px;background:#17304ed9;color:#fff;font-size:13px;pointer-events:none}
.case-carousel button:focus-visible{outline:3px solid #1767e8;outline-offset:2px}.case-detail-thumbs{position:relative}
.catalog-case-detail .case-carousel button{font-size:30px;line-height:1;padding:0;display:grid;place-items:center}

.case-detail-caption:empty{display:none}
@media(max-width:760px){
 .case-quote-body .case-quote-form{padding:14px;border-radius:10px;font-size:13px;line-height:1.5}
 .case-quote-body .case-quote-form h2{font-size:16px;margin:0 0 12px}
 .case-quote-body .case-quote-form :is(label,summary,p,small){font-size:13px;font-weight:400}
 .case-quote-body .case-quote-form input[type=number],.case-quote-body .case-quote-form select{height:40px;min-height:40px;padding:8px 10px;margin:6px 0 12px;border:1px solid #c6d7ee;border-radius:6px;font-size:13px;box-sizing:border-box}
 .case-quote-body .case-size-grid{gap:8px}
 .case-quote-body .case-quote-form button{min-height:40px;padding:8px 12px;font-size:13px;font-weight:400}
 .case-quote-body .case-quote-form details{margin-top:16px;padding-top:12px}
 .case-quote-body .case-quote-form summary{margin-bottom:0}
 .case-quote-body .case-quote-form details[open]>summary{margin-bottom:10px}
 .case-quote-body .case-quote-form .dimension-help{border:0;background:none;padding:0;margin:0 0 12px}
 .case-quote-body .case-quote-form #dimension-unit{margin:8px 0 4px;font-size:12px}
 .case-quote-body .case-price{min-height:0;padding:12px 0;margin-top:16px}
 .case-quote-body .case-price strong{font-size:26px}
 .case-quote-body .case-quote-actions{gap:8px}
 .case-quote-body .case-save-guide{margin-top:12px}
 .case-quote-body .case-save-guide p{font-size:12px;margin:6px 0}
 .case-quote-body #case-save-status:empty{display:none}
}
/* Quiet close controls: retain a neutral keyboard-only focus indicator. */
button[aria-label^="关闭"],button.auth-dismiss,button.case-viewer-close,button.detail-close,button[data-support-close],button[data-box-close]{color:#52616f!important;border-color:transparent!important;box-shadow:none!important}
button[aria-label^="关闭"]:focus,button.auth-dismiss:focus,button.case-viewer-close:focus,button.detail-close:focus,button[data-support-close]:focus,button[data-box-close]:focus{outline:none!important;box-shadow:none!important}
button[aria-label^="关闭"]:focus-visible,button.auth-dismiss:focus-visible,button.case-viewer-close:focus-visible,button.detail-close:focus-visible,button[data-support-close]:focus-visible,button[data-box-close]:focus-visible{outline:2px solid #87929d!important;outline-offset:2px}
/* Give mobile catalog structure diagrams their own full-width preview. */
@media(max-width:760px){
 .official-home #catalog-grid .product-card{flex-direction:column;align-items:stretch;padding:0;gap:0}
 .official-home #catalog-grid .product-visual[data-structure-visual]{flex:none;width:100%;height:180px;padding:4px 8px}
 .official-home #catalog-grid .product-visual[data-structure-visual] img{width:100%;height:100%;max-height:100%;object-fit:contain}
 .official-home #catalog-grid .product-copy{padding:4px 16px 16px}
}