/* dzh3100 original-template refinement; shared desktop/mobile presentation. */
:root{--blue:#1688cb;--dark:#0872b2;--ink:#24394a;--muted:#647886;--line:#e0e8ee;--pale:#f3f8fc}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#fff;color:var(--ink);font:16px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-wrap:break-word}a{color:inherit;text-decoration:none}a:hover{color:var(--blue)}img{display:block;max-width:100%;height:auto}button,input{font:inherit}button{cursor:pointer}a,button,input,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #f7a824;outline-offset:4px}h1,h2,h3,p,figure,dl,dd{margin:0}h1,h2,h3{line-height:1.45;font-weight:600}h1{font-size:32px}h2{font-size:28px}h3{font-size:20px}ul,ol{padding:0;margin:0;list-style:none}.wrap{width:min(1200px,calc(100% - 48px));margin-inline:auto;min-width:0}.icon{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;flex:none}.svg-defs{position:absolute;overflow:hidden}.sr-only{position:absolute!important;width:1px;height:1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;left:16px;top:-70px;z-index:100;padding:10px 20px;background:#fff;color:var(--blue)}.skip-link:focus{top:12px}
.utility{background:#f1f5f8;color:var(--muted);font-size:12px}.utility .wrap{display:flex;justify-content:space-between;align-items:center;min-height:34px;gap:20px}.header-inner{display:flex;justify-content:space-between;align-items:center;gap:45px;min-height:125px}.brand{display:block;flex:1;min-width:0;max-width:780px}.brand img{width:100%;height:auto}.header-contact{flex:none;display:grid;gap:4px}.header-contact span{font-size:14px;color:var(--muted)}.header-contact strong{font-size:28px;color:var(--blue);font-weight:500}.nav-band{background:var(--blue)}.desktop-nav{display:flex;flex-wrap:wrap;justify-content:space-between}.desktop-nav>a{flex:1;text-align:center;color:#fff;padding:16px 20px;white-space:nowrap;font-size:17px;min-height:58px}.desktop-nav>a:hover,.desktop-nav>a.active{background:var(--dark);color:#fff}.mobile-nav{display:none}
.carousel{background:#fff}.slides{position:relative;aspect-ratio:16/5;overflow:hidden}.slide{position:absolute;inset:0;visibility:hidden;opacity:0;transition:opacity .25s ease}.slide.is-active{visibility:visible;opacity:1}.slide a{display:block;height:100%}.slide img{width:100%;height:100%;object-fit:contain}.carousel-controls{display:flex;justify-content:center;align-items:center;gap:15px;height:52px;color:var(--muted);font-size:12px}.carousel-controls button{color:var(--muted);border:0;background:none;min-width:28px;min-height:32px;padding:4px}.carousel-controls button:hover{color:var(--blue)}.carousel-dots{display:flex;align-items:center;gap:8px}.carousel-dots button{position:relative;min-width:18px;width:18px;height:32px;padding:0}.carousel-dots button:before{content:"";position:absolute;left:50%;top:50%;width:6px;height:6px;border-radius:6px;background:#c7d6df;transform:translate(-50%,-50%)}.carousel-dots button[aria-current=true]:before{width:18px;background:var(--blue)}.mobile-call{display:none}
.home-finder{display:grid;grid-template-columns:minmax(0,1fr) minmax(350px,440px);gap:35px;align-items:center;background:var(--pale);padding:18px 24px;margin-top:20px;border-radius:4px}.home-finder h1{font-size:19px}.home-finder p{font-size:13px;color:var(--muted);margin-top:5px}.search-field{display:flex;align-items:center;min-width:0;gap:12px;background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden}.search-field>.icon{margin-left:15px;width:19px;color:var(--muted)}.search-field input{min-width:0;width:100%;height:46px;border:0;background:none;padding:8px 0;color:var(--ink);font-size:14px;outline-offset:-4px}.search-field button{align-self:stretch;border:0;padding:0 24px;background:var(--blue);color:#fff;white-space:nowrap;font-size:14px}.search-field button:hover{background:var(--dark)}
.home-catalog,.catalog-layout{display:grid;grid-template-columns:248px minmax(0,1fr);gap:32px;align-items:start}.home-catalog{margin-top:38px;margin-bottom:50px}.sidebar{min-width:0}.sidebar>h2{padding:15px 22px;background:var(--blue);color:#fff;font-size:24px;border-radius:4px 4px 0 0}.category-nav{display:grid}.category-nav>a{display:flex;justify-content:space-between;align-items:center;gap:10px;border:1px solid var(--line);border-top:0;padding:17px 18px;min-height:59px;font-size:15px}.category-nav>a.active,.category-nav>a:hover{background:#eef7fd;color:var(--blue)}.consult-box{margin-top:20px;background:var(--pale);border-radius:4px;padding:20px 22px}.consult-box h3{font-size:18px;margin-bottom:12px}.consult-box p{font-size:13px;color:var(--muted);margin-top:9px}.consult-phone{display:block;font-size:22px;color:var(--blue);font-weight:500;white-space:nowrap;margin-top:6px}.catalog-content{min-width:0}.section-head{display:flex;justify-content:space-between;align-items:flex-start;gap:24px;margin-bottom:28px}.section-head h2{font-size:26px;border-left:4px solid var(--blue);padding-left:14px}.section-head p{font-size:14px;color:var(--muted);margin-top:9px;padding-left:18px}.more{font-size:14px;color:var(--blue);white-space:nowrap}.section-head>.more{padding-top:8px}.product-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}.product-card{min-width:0;background:#fff;border:1px solid var(--line);border-radius:4px;overflow:hidden;transition:border-color .15s}.product-card:hover{border-color:var(--blue)}.product-card>a{height:100%;display:flex;flex-direction:column}.product-photo{aspect-ratio:1.15;padding:18px;display:grid;place-items:center;overflow:hidden}.product-photo img{width:100%;height:100%;object-fit:contain}.product-caption{margin:0 15px;padding:14px 0 17px;border-top:1px solid var(--line);flex:1}.product-caption h3{font-size:14px;font-weight:400;line-height:1.65}.products-footer{text-align:right;margin-top:25px}
.about{background:var(--pale);padding:32px 0}.about-layout{display:grid;grid-template-columns:minmax(0,1fr) 330px;gap:100px;align-items:center}.eyebrow{font-size:12px;letter-spacing:1.2px;color:var(--blue);margin-bottom:14px}.about-copy h2{font-size:32px;margin-bottom:20px}.about-copy h3{font-size:22px;margin-bottom:20px}.about-intro{color:var(--muted);font-size:16px;line-height:1.95;margin-bottom:27px}.about-cover{margin:0;display:flex;justify-content:center}.about-cover img{width:auto;max-height:351px;object-fit:contain}.btn{display:inline-flex;justify-content:center;align-items:center;gap:8px;min-height:44px;border:1px solid var(--line);padding:10px 22px;background:#fff;color:var(--ink);font-size:15px;border-radius:4px}.btn:hover{border-color:var(--blue);color:var(--blue)}.btn-blue{background:var(--blue);border-color:var(--blue);color:#fff}.btn-blue:hover{background:var(--dark);color:#fff}
.section{padding:48px 0}.home-news{padding-top:52px}.news-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}.news-column-head{display:flex;justify-content:space-between;align-items:center;border-bottom:2px solid var(--line);padding:8px 0 18px}.news-column-head h3{font-size:21px}.news-column-head>a{font-size:14px;color:var(--blue)}.news-teaser{border-bottom:1px solid var(--line);padding:23px 0;min-height:155px}.news-teaser time{font-size:13px;color:var(--blue)}.news-teaser h3{font-size:18px;font-weight:500;margin:12px 0 10px}.news-excerpt{color:var(--muted);font-size:14px;line-height:1.8;overflow-wrap:anywhere}.news-teaser .news-excerpt{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.home-contact{margin-bottom:54px}.contact-hub{padding:30px 34px 38px;border-left:6px solid var(--blue);border-radius:4px;background:var(--pale)}.contact-hub h2{font-size:30px;margin-bottom:14px}.contact-company{font-size:19px;margin-bottom:30px}.contact-columns{display:grid;grid-template-columns:1.3fr 1fr 1fr;gap:36px}.contact-columns>div+div{border-left:1px solid #cfdfeb;padding-left:36px}.contact-label{color:var(--muted);font-size:14px!important;margin-bottom:18px!important}.contact-columns p{font-size:17px;margin-bottom:14px}.contact-number{display:block;color:var(--blue);font-size:30px;line-height:1.4;margin-bottom:22px;white-space:nowrap}.contact-address{max-width:310px;line-height:1.9}.footer{background:#117cb8;color:#fff;padding:30px 0}.footer a:hover{color:#fff;text-decoration:underline}.footer-nav{display:flex;flex-wrap:wrap;gap:14px 28px;font-size:15px;margin-bottom:24px}.footer-info{display:flex;flex-wrap:wrap;gap:12px 32px;font-size:14px;color:#e3f2fb}.footer-bottom{display:flex;flex-wrap:wrap;gap:12px 28px;font-size:12px;color:#d9ecf7;margin-top:16px}
/* Lists, details, single pages, search and error pages. */
.page-banner{background:var(--pale);padding:38px 0 26px;border-bottom:1px solid var(--line)}.page-banner h1{font-size:30px;max-width:1050px;overflow-wrap:anywhere}.page-banner .eyebrow{margin-bottom:10px}.page-intro{margin-top:13px;color:var(--muted);font-size:15px}.breadcrumbs{margin-top:23px;font-size:13px;color:var(--muted)}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px 10px}.breadcrumbs li:not(:last-child):after{content:"/";margin-left:10px;color:#a0b2c0}.catalog-title{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:28px 0 22px}.catalog-title h2{font-size:23px}.catalog-title p{font-size:13px;color:var(--muted)}.catalog-layout .product-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.pagination{margin:35px 0 10px}.pagination ul{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}.pagination li{display:flex}.pagination a,.pagination span{min-width:40px;min-height:40px;display:flex;align-items:center;justify-content:center;border:1px solid var(--line);padding:5px 13px;font-size:14px;border-radius:3px}.pagination li.active a,.pagination li.active span,.pagination a:hover{color:#fff;background:var(--blue);border-color:var(--blue)}.pagination .disabled{color:#9aa6af}.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}.tabs a{padding:9px 22px;border:1px solid var(--line);border-radius:3px;font-size:15px}.tabs a.active,.tabs a:hover{background:var(--blue);border-color:var(--blue);color:#fff}.news-row{display:flex;gap:30px;padding:28px 0;border-bottom:1px solid var(--line)}.news-row:first-child{padding-top:0}.news-row-image{flex:0 0 240px;align-self:flex-start;background:var(--pale);border-radius:4px;overflow:hidden}.news-row-image img{width:100%;height:auto;aspect-ratio:32/21;object-fit:cover}.news-row-copy{flex:1;min-width:0}.news-tag{font-size:13px;color:var(--blue);margin-bottom:10px}.news-row h2{font-size:21px;margin-bottom:12px}.news-row .news-excerpt{margin-bottom:13px}.news-row .more{display:inline-block}.article-wrap{max-width:960px}.article-meta{display:flex;flex-wrap:wrap;gap:8px 25px;font-size:13px;color:var(--muted);padding-bottom:25px;border-bottom:1px solid var(--line);margin-bottom:30px}.rich-text{font-size:16px;line-height:1.9;overflow-wrap:anywhere;min-width:0;overflow-x:auto}.rich-text p,.rich-text ul,.rich-text ol{margin:0 0 18px}.rich-text ul,.rich-text ol{padding-left:24px;list-style:revert}.rich-text h2,.rich-text h3{margin:26px 0 16px}.rich-text img{max-width:100%!important;height:auto!important;margin:18px auto;object-fit:contain}.rich-text iframe,.rich-text video{max-width:100%}.rich-text table{max-width:100%;border-collapse:collapse}.rich-text td,.rich-text th{padding:10px;border:1px solid var(--line)}.rich-text a{color:var(--blue);text-decoration:underline}.article-neighbors{display:grid;gap:14px;padding:25px 0;border-top:1px solid var(--line);margin-top:35px;font-size:15px}.article-back{margin-top:20px}.single-layout{display:flex;gap:55px;align-items:flex-start}.single-layout>.rich-text{flex:1}.single-layout>.about-cover{flex:0 0 277px}.single-layout>.about-cover img{max-height:438px}.tabs+.contact-hub{margin-bottom:35px}.content-note{font-size:13px;color:var(--muted);padding-top:20px}.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}.detail-photo{padding:25px;border:1px solid var(--line);border-radius:4px}.detail-photo img{width:100%;aspect-ratio:72/51;object-fit:contain}.product-facts h2{font-size:26px;margin-bottom:22px}.product-facts dl{margin-bottom:28px}.product-facts dl>div{display:grid;grid-template-columns:105px minmax(0,1fr);gap:15px;border-bottom:1px solid var(--line);padding:14px 0;font-size:15px}.product-facts dt{color:var(--muted)}.detail-phone{font-size:23px;color:var(--blue);margin-top:15px}.detail-body{padding-top:45px;margin-top:45px;border-top:1px solid var(--line)}.detail-body>h2,.related>h2{font-size:26px;margin-bottom:25px}.related{margin-top:50px}.cases-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.case{border:1px solid var(--line);border-radius:4px;overflow:hidden}.case-photo{aspect-ratio:3/2;overflow:hidden}.case-photo img{width:100%;height:100%;object-fit:contain}.case-info{display:flex;justify-content:space-between;gap:15px;align-items:center;padding:18px;border-top:1px solid var(--line)}.case-info h3{font-size:18px}.case-detail-cover{max-height:560px;object-fit:contain;margin:0 auto 35px}.search-page{max-width:1040px}.search-page>.search-field{max-width:760px;margin-bottom:28px}.search-summary{color:var(--muted);margin-bottom:25px}.search-suggestions,.error-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:15px;margin-top:30px}.search-guidance{padding:24px 0}.search-guidance h2{font-size:28px;margin-bottom:13px}.search-guidance>p{color:var(--muted);margin-bottom:28px}.search-guidance>h3{font-size:20px;margin-bottom:20px}.categories{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:15px}.category{display:flex;align-items:center;gap:12px;padding:20px;background:var(--pale);border:1px solid var(--line);border-radius:4px}.category h3{font-size:16px}.category .icon{width:32px;height:32px;color:var(--blue)}.category .cat-arrow{margin-left:auto;color:var(--blue)}.empty-state{grid-column:1/-1;padding:65px 20px;text-align:center;color:var(--muted);background:var(--pale);border-radius:4px}.empty-state h2{font-size:24px;color:var(--ink);margin-bottom:15px}.error-code{color:var(--blue);font-size:88px;line-height:1.2;margin-bottom:20px}
@media(min-width:1600px){.slides{max-height:600px;aspect-ratio:auto;height:31.25vw}}
@media(max-width:1100px){.header-inner{min-height:110px;gap:30px}.brand{max-width:70%}.header-contact strong{font-size:23px}.desktop-nav>a{font-size:15px;padding-inline:12px}.home-catalog,.catalog-layout{grid-template-columns:218px minmax(0,1fr);gap:24px}.home-catalog .product-grid{gap:14px;grid-template-columns:repeat(3,minmax(0,1fr))}.consult-box{padding:18px}.consult-phone{font-size:20px}.about-layout{gap:55px;grid-template-columns:minmax(0,1fr) 277px}.contact-columns{gap:24px}.contact-columns>div+div{padding-left:24px}.contact-number{font-size:25px}.contact-columns p{font-size:15px}.news-columns{gap:32px}.single-layout{gap:30px}}
@media(max-width:800px){.wrap{width:calc(100% - 36px)}.utility,.header-contact,.desktop-nav{display:none}.header-inner{min-height:83px;padding:20px 0}.brand{max-width:600px;margin-inline:auto}.mobile-nav{display:flex;justify-content:space-between;align-items:center;position:relative;min-height:46px}.mobile-nav>nav{display:flex;align-items:center;gap:23px}.mobile-nav>nav a{color:#fff;font-size:15px;padding:10px 0}.mobile-menu{position:static}.mobile-menu summary{list-style:none;color:white;display:flex;align-items:center;justify-content:center;width:40px;height:44px;cursor:pointer}.mobile-menu summary::-webkit-details-marker{display:none}.mobile-menu>nav{position:absolute;top:100%;right:-18px;left:-18px;padding:16px 18px;z-index:20;background:#fff;box-shadow:0 12px 24px #123b5626;max-height:75vh;overflow:auto;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:5px 18px}.mobile-menu>nav>a{padding:10px;border-bottom:1px solid var(--line);font-size:15px}.mobile-menu>nav>a.active{color:var(--blue);background:var(--pale)}.mobile-product-links{grid-column:1/-1;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:8px}.mobile-product-links strong{grid-column:1/-1;font-size:14px;padding:9px 0}.mobile-product-links a{padding:8px;font-size:13px;background:var(--pale)}.carousel-controls{height:44px;gap:7px}.carousel-controls [data-counter],.carousel-controls [data-pause]{font-size:11px}.carousel-dots{gap:3px}.mobile-call{display:flex;justify-content:space-between;align-items:center;padding:13px 15px;background:var(--pale);border-radius:4px;margin-top:12px}.mobile-call>div{display:grid;gap:4px}.mobile-call span{font-size:12px;color:var(--muted)}.mobile-call>div>a{font-size:21px;color:var(--blue)}.mobile-call>.btn{font-size:14px;min-height:38px;padding:6px 18px}.home-finder{margin-top:20px;padding:0;background:none;grid-template-columns:1fr;gap:12px}.home-finder h1{font-size:16px}.home-finder p{display:none}.home-catalog,.catalog-layout{grid-template-columns:1fr;gap:28px}.home-catalog{margin-top:28px;margin-bottom:38px}.sidebar>h2{font-size:23px;padding:0;background:none;color:var(--ink);margin-bottom:16px}.category-nav{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}.category-nav>a{min-height:40px;padding:9px 10px;border:0;background:#f3f7fa;border-radius:4px;font-size:13px}.category-nav>a>span+span{display:none}.home-catalog .consult-box{display:none}.catalog-layout .consult-box{margin-top:16px;padding:14px 18px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 15px}.consult-box h3{margin:0;font-size:15px}.consult-box p{margin:0;font-size:12px}.consult-phone{margin:0;font-size:19px}.home-catalog .product-grid,.product-grid,.catalog-layout .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.section-head{margin-bottom:22px;gap:12px}.section-head h2{font-size:23px;padding-left:0;border:0}.section-head p{padding-left:0;font-size:13px}.section-head .more{font-size:13px}.product-caption h3{font-size:14px}.product-photo{padding:16px;aspect-ratio:1.18}.about{padding:28px 0}.about-layout{grid-template-columns:1fr;gap:27px}.about-copy h2{font-size:27px;margin-bottom:16px}.about-copy h3{font-size:19px;margin-bottom:16px}.about-intro{font-size:15px;margin-bottom:22px}.about-cover img{max-height:310px}.section{padding:35px 0}.news-columns{grid-template-columns:1fr;gap:30px}.news-column-head h3{font-size:20px}.news-teaser{padding:20px 0;min-height:0}.news-teaser h3{font-size:17px}.home-contact{margin-bottom:35px}.contact-hub{padding:23px 20px 25px;border-left-width:4px}.contact-hub h2{font-size:25px}.contact-company{font-size:17px;margin-bottom:25px}.contact-columns{grid-template-columns:1fr;gap:20px}.contact-columns>div+div{border-left:0;border-top:1px solid #cfdfeb;padding:20px 0 0}.contact-number{font-size:28px;margin-bottom:15px}.contact-columns p{font-size:16px;margin-bottom:12px}.contact-label{margin-bottom:15px!important}.footer{padding:25px 0}.footer-nav{gap:15px 23px;font-size:14px}.footer-info{display:grid;gap:8px;font-size:13px}.page-banner{padding:27px 0 23px}.page-banner h1{font-size:26px}.page-intro{font-size:14px}.breadcrumbs{font-size:12px;margin-top:18px}.catalog-title{align-items:flex-start;flex-direction:column;gap:8px;margin-top:23px}.catalog-title h2{font-size:21px}.product-detail{grid-template-columns:1fr;gap:28px}.detail-photo{padding:20px}.product-facts h2{font-size:24px}.detail-body{margin-top:30px;padding-top:30px}.detail-body>h2,.related>h2{font-size:24px}.related{margin-top:35px}.rich-text{font-size:15px;line-height:1.9}.single-layout{flex-direction:column;gap:28px}.single-layout>.about-cover{flex:auto;width:100%}.single-layout>.rich-text{width:100%}.news-row{gap:18px}.news-row-image{flex-basis:170px}.news-row h2{font-size:18px}.news-tag{font-size:12px}.cases-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.categories{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.category{padding:15px}.category h3{font-size:14px}.category .icon{width:24px;height:24px}.tabs{gap:8px;margin-bottom:25px}.tabs a{padding:8px 14px;font-size:14px}.empty-state{padding:40px 18px}.error-code{font-size:70px}}
@media(max-width:480px){.header-inner{min-height:76px}.mobile-nav>nav{gap:20px}.search-field{gap:9px}.search-field input{font-size:13px}.search-field button{padding-inline:18px}.product-photo{padding:12px}.product-caption{margin:0 12px;padding:11px 0 14px}.product-caption h3{font-size:13px;line-height:1.6}.product-grid,.home-catalog .product-grid{gap:14px}.news-row{flex-direction:column;gap:16px}.news-row-image{flex:auto;width:100%;max-width:100%}.news-row-image img{max-height:220px}.news-row h2{font-size:19px}.news-row .news-excerpt{font-size:14px}.article-meta{gap:7px 14px}.cases-grid,.categories{grid-template-columns:1fr}.category-nav>a{font-size:12px}.product-facts dl>div{grid-template-columns:90px minmax(0,1fr)}.pagination ul{gap:5px}.pagination a,.pagination span{padding:5px 10px;min-width:34px}.contact-number{font-size:27px}.contact-address{max-width:100%}}
.carousel-controls{visibility:hidden}.carousel.is-ready .carousel-controls{visibility:visible}
.contact-extra{border:1px solid var(--line);border-radius:4px;margin-top:26px}.contact-extra summary{padding:16px 22px;color:var(--blue);cursor:pointer}.contact-extra .rich-text{padding:4px 22px 18px}
.skip-link:not(:focus){clip-path:inset(100%);pointer-events:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}