:root{--blue:#2b6aaa;--ink:#1f2c39;--muted:#6d7883;--line:#dfe4e9;--soft:#f3f5f7;--shell:1200px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;color:var(--ink);background:#fff;font:14px/1.7 "Segoe UI","Microsoft YaHei",sans-serif}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}button{cursor:pointer}img{max-width:100%;display:block}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid #2b6aaa;outline-offset:4px}h1,h2,h3,p{margin:0}h2{font-size:28px;font-weight:600;letter-spacing:.02em}h3{font-weight:600}.shell{width:min(var(--shell),calc(100% - 80px));margin-inline:auto}.skip{position:fixed;top:-80px;left:16px;z-index:5;background:#fff;padding:10px}.skip:focus{top:10px}.site-header{background:linear-gradient(110deg,#e7f0f7,#eff4f8 65%,#e6eef5);border-bottom:1px solid #d5e2ec}.utility{background:#2b6aaa;border-bottom:1px solid #ffffff18;font-size:12px;color:#eff6fc}.utility-inner{display:flex;align-items:center;justify-content:space-between;min-height:32px}.utility-inner div{display:flex;gap:25px}.utility a:hover{color:#fff;text-decoration:underline}/* Brand header: logo, navigation and search share one baseline. */
.masthead{min-height:102px;display:grid;grid-template-columns:160px minmax(0,1fr) 218px;align-items:center;gap:30px}
.brand img{width:160px;height:50px}
.search{display:flex;width:100%;height:40px;border:1px solid #c8d8e5;background:#ffffffc9}
.search:focus-within{border-color:var(--blue);background:#fff}
.search input{width:100%;min-width:0;border:0;padding:0 12px;outline:none;font-size:12px;color:var(--ink);background:transparent}
.search input::placeholder{color:#84909a}
.search button{flex:0 0 40px;display:grid;place-items:center;border:0;background:transparent;color:var(--blue)}
.navigation nav{display:flex;justify-content:center;align-items:center;gap:clamp(18px,2.15vw,34px)}
.navigation a{position:relative;display:flex;align-items:center;min-height:48px;font-size:15px;font-weight:500;white-space:nowrap;color:#25465f}
.navigation a:after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;background:var(--blue);transform:scaleX(0);transition:transform .18s}
.navigation a:hover,.navigation a[aria-current="location"]{color:var(--blue)}
.navigation a:hover:after,.navigation a:focus-visible:after,.navigation a[aria-current="location"]:after{transform:scaleX(1)}
.hero{height:416px;position:relative;isolation:isolate;overflow:hidden;color:#fff;background:#725c42}.hero-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 54%;z-index:-2}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,28,40,.78),rgba(15,28,40,.38) 38%,rgba(15,28,40,0) 70%);z-index:-1}.hero-inner{height:100%;display:flex;align-items:center}.hero-copy{padding-bottom:7px}.hero-rule{width:40px;height:3px;background:#fff;margin-bottom:24px}.hero h1{font-size:44px;line-height:1.3;font-weight:600;letter-spacing:.06em}.hero p{margin-top:17px;font-size:16px;letter-spacing:.11em;color:#eee}.button{display:inline-flex;justify-content:center;align-items:center;gap:35px;min-height:46px;padding:10px 23px;font-size:14px;font-weight:500;border:1px solid transparent}.hero .button{margin-top:31px}.light{background:#fff;color:#263847}.light:hover{background:#e9f0f6}.image-note{position:absolute;right:22px;bottom:14px;font-size:11px;color:#fff;text-shadow:0 1px 5px #222}.section{padding-block:48px}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:24px}.more{font-size:13px;display:inline-flex;align-items:center;gap:20px;color:var(--blue);white-space:nowrap}.more:hover{text-decoration:underline}.category-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border:1px solid var(--line)}.category{border-right:1px solid var(--line);padding:19px 15px 18px;min-width:0;transition:background .2s}.category:last-child{border:0}.category:hover{background:#f5f8fb}.category-picture{height:146px;display:grid;place-items:center;margin-bottom:15px}.category-picture img{width:142px;height:142px;object-fit:contain;mix-blend-mode:multiply}.category-title{display:flex;justify-content:space-between;align-items:center;gap:8px}.category h3{font-size:16px}.category-title span{color:var(--blue)}.category small{font-size:12px;color:var(--muted);display:block;margin-top:4px}.additional-series{display:flex;justify-content:center;flex-wrap:wrap;gap:12px 0;margin-top:23px;color:#596775;font-size:13px}.additional-series a{padding-inline:27px;border-right:1px solid var(--line);line-height:1.3}.additional-series a:last-child{border:0}.additional-series a:hover{color:var(--blue)}.applications{background:var(--soft);padding-bottom:43px}.section-caption{font-size:13px;color:var(--muted)}.application-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.application-image{aspect-ratio:1.8;overflow:hidden;background:#e4e9ed}.application-image img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.application:hover img{transform:scale(1.035)}.application h3{font-size:18px;display:flex;align-items:center;justify-content:space-between;margin-top:15px}.application h3 span{font-size:20px;color:var(--blue)}.resources{display:grid;grid-template-columns:1fr 2fr;gap:70px;padding-block:52px}.resource-intro p{font-size:13px;color:var(--muted);margin:12px 0 24px}.article-list{border-top:1px solid var(--line)}.article-list a{display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);min-height:64px;font-size:15px}.article-list a:hover{color:var(--blue)}.article-list span{color:var(--blue);flex:none}/* One composed footer replaces the separate company banner. */
.site-footer{background:#182d3e;color:#c1ccd5}
.footer-main{display:grid;grid-template-columns:1.25fr .45fr .45fr 1.05fr 1.5fr;gap:28px;padding-block:48px 40px}
.footer-brand h2{font-size:24px;font-weight:500;letter-spacing:.08em;color:#fff;line-height:1.4;margin-bottom:17px}
.footer-brand p{font-size:13px;color:#a8b8c5;line-height:1.8}
.footer-brand .company-name{font-size:14px;color:#d3dce3;margin-bottom:5px}
.footer-about,.footer-inquiry{display:inline-flex;align-items:center;gap:25px;min-height:40px;margin-top:12px;font-size:13px;color:#b9d6ed}
.footer-about:hover,.footer-inquiry:hover{color:#fff}
.footer-group{display:flex;align-items:flex-start;flex-direction:column}
.footer-group h3,.footer-contact h3,.footer-wechat h3{font-size:14px;font-weight:500;color:#fff;margin:3px 0 15px}
.footer-group>a{display:flex;align-items:center;min-height:36px;font-size:13px;color:#b5c4cf}
.footer-group>a:hover{color:#fff}
.footer-contact{display:flex;align-items:flex-start;flex-direction:column;padding:0;border:0}
.footer-contact .phone{font-size:25px;font-weight:500;letter-spacing:.025em;color:#fff;line-height:1.6;min-height:44px}
.footer-contact .email{font-size:13px;color:#b5c4cf;margin-top:3px;min-height:30px;display:flex;align-items:center}
.footer-contact .footer-inquiry{margin-top:4px}
.wechat-codes{display:flex;gap:14px;align-items:flex-start}
.wechat-codes figure{margin:0;width:144px;min-width:0}
.wechat-codes a{display:block;background:#fff}
.wechat-codes img{width:100%;height:auto;aspect-ratio:1;object-fit:contain}
.wechat-codes figcaption{text-align:center;font-size:12px;color:#b5c4cf;margin-top:9px}
.wechat-codes a:hover{outline:2px solid #8cbce0;outline-offset:3px}
.wechat-preview img{width:320px;height:auto;max-width:100%;margin:0 auto 18px}
.wechat-preview .more{display:flex;justify-content:center;min-height:44px}
#wechat-dialog{width:min(408px,calc(100% - 32px))}
.footer-bottom{border-top:1px solid #ffffff1f;padding-block:18px;display:flex;justify-content:space-between;gap:20px;color:#8fa3b3;font-size:11px}
.footer-bottom a{margin-left:14px;color:#b4c8d8}
dialog{width:min(690px,calc(100% - 32px));border:0;padding:28px;color:var(--ink);box-shadow:0 16px 70px #15263840;max-height:85vh}dialog::backdrop{background:#14233180}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin-bottom:18px}.dialog-heading h2{font-size:23px}.dialog-close{background:transparent;border:0;font-size:29px;width:44px;height:44px;color:var(--muted)}.preview-note{font-size:11px;color:var(--muted);margin-top:24px;padding-top:14px;border-top:1px solid var(--line)}.category-preview{display:flex;align-items:center;gap:30px}.category-preview img{width:180px;height:180px;object-fit:contain}.category-preview p{margin-bottom:18px;color:var(--muted)}.blue{color:white;background:var(--blue)}.result-list{display:grid;gap:0}.result-list a{display:flex;justify-content:space-between;gap:18px;align-items:center;padding-block:13px;border-bottom:1px solid var(--line)}.result-list a:hover{color:var(--blue)}.result-list small{color:var(--muted)}.no-results{padding:15px 0;color:var(--muted)}
@media(min-width:1600px){.hero{height:470px}.hero h1{font-size:48px}}
@media(max-width:1100px){.shell{width:calc(100% - 48px)}.masthead{grid-template-columns:160px minmax(0,1fr);gap:14px 28px;padding-block:23px}.navigation nav{justify-content:flex-end;gap:26px}.search{grid-column:2;width:260px;justify-self:end}.brand{grid-row:1/3}.navigation a{font-size:14px}.category-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.category:nth-child(3){border-right:0}.category:nth-child(-n+3){border-bottom:1px solid var(--line)}.category-picture{height:130px}.category-picture img{height:130px;width:130px}.category{padding-inline:24px}.additional-series a{padding-inline:17px}.resources{gap:40px}.footer-main{grid-template-columns:1.4fr .6fr .6fr 1.1fr;gap:28px}.footer-contact .phone{font-size:21px}.footer-wechat{grid-column:1/-1;display:flex;align-items:flex-start;gap:44px;padding-top:24px;border-top:1px solid #ffffff1f}.footer-wechat h3{margin-top:0}}
@media(max-width:760px){.shell{width:calc(100% - 36px)}.utility-inner{min-height:29px;font-size:10px}.utility-inner div{gap:16px}.masthead{min-height:120px;grid-template-columns:1fr auto;gap:12px;padding-block:17px}
.brand{grid-column:1;grid-row:1}.brand img{width:144px;height:45px}
.utility-inner div a:first-child{display:inline}.utility-inner div a:last-child{display:none}
.search{grid-column:1/-1;grid-row:2;max-width:none;width:100%;height:40px}
.hero{height:340px}.hero-photo{object-position:57% center}.hero:after{background:linear-gradient(90deg,#0f1c28b8,#0f1c2855 60%,#0f1c2810)}.hero h1{font-size:34px}.hero-rule{margin-bottom:22px;width:32px}.hero p{font-size:14px;letter-spacing:.06em}.hero .button{margin-top:25px}.button{min-height:44px;padding-inline:20px}.image-note{right:15px;bottom:10px;font-size:10px}.section{padding-block:32px}h2{font-size:23px}.section-heading{margin-bottom:20px}.category-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.category{padding:14px 16px}.category:nth-child(3){border-right:1px solid var(--line)}.category:nth-child(2n){border-right:0}.category:nth-child(-n+4){border-bottom:1px solid var(--line)}.category-picture{height:120px;margin-bottom:9px}.category-picture img{width:120px;height:120px}.category h3{font-size:15px}.additional-series{justify-content:flex-start;gap:14px 0;margin-top:20px}.additional-series a{padding-inline:14px;font-size:12px}.additional-series a:first-child{padding-left:0}.section-caption{font-size:11px}.application-grid{grid-template-columns:1fr;gap:26px}.application-image{aspect-ratio:1.9}.application h3{font-size:17px;margin-top:11px}.resources{grid-template-columns:1fr;gap:22px}.resource-intro{display:grid;grid-template-columns:1fr auto;align-items:center}.resource-intro p{grid-row:2;grid-column:1/-1;margin:7px 0 0;font-size:12px}.resource-intro .more{grid-row:1;grid-column:2}.article-list a{font-size:14px;min-height:61px}.footer-main{grid-template-columns:repeat(2,minmax(0,1fr));gap:27px 24px;padding-block:32px 25px}
.footer-brand{grid-column:1/-1}.footer-brand h2{font-size:22px;margin-bottom:12px}
.footer-group h3{margin-bottom:8px}.footer-group>a{min-height:40px}
.footer-contact{grid-column:1/-1;border-top:1px solid #ffffff1f;padding-top:22px}
.footer-contact h3{margin-top:0;margin-bottom:8px}.footer-wechat{display:block;grid-column:1/-1;padding-top:22px}.footer-wechat h3{margin-bottom:16px}.wechat-codes{gap:18px}.wechat-codes figure{width:min(144px,calc((100% - 18px)/2))}.wechat-codes img{width:100%}.footer-contact .phone{font-size:24px}
.footer-contact .footer-inquiry{min-height:44px}.footer-bottom{flex-direction:column;gap:7px;font-size:10px;padding-block:16px}
.category-preview{display:block}.category-preview img{margin:auto auto 20px;width:150px;height:150px}.result-list a{align-items:flex-start;flex-direction:column;gap:3px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}

/* Integrate the approved home treatment with the existing content and business pages. */
.site-header,.site-footer{max-width:none;margin:0;padding:0}.site-header nav{flex-wrap:nowrap}.site-main{width:min(1200px,calc(100% - 80px));max-width:none;margin:0 auto;padding:32px 0 48px;min-height:45vh}.site-main.home-main{width:100%;padding:0}.brand img{object-fit:contain;mix-blend-mode:multiply}.search input,.search button{min-height:0}.navigation a[aria-current=page]{color:var(--blue)}.navigation a[aria-current=page]:after{transform:scaleX(1)}.full-catalog{border-top:1px solid var(--line);margin-top:28px;padding-top:17px}.full-catalog summary,.home-extras summary{cursor:pointer;color:#42617b;min-height:44px;padding:9px 0}.full-catalog summary span{font-size:12px;color:var(--muted);margin-left:12px}.series-directory{list-style:none;margin:18px 0 0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px 25px}.series-directory a:hover{text-decoration:underline;color:var(--blue)}.series-directory small{color:var(--muted);white-space:nowrap}.home-extras{padding-bottom:30px}.home-extras details{border-top:1px solid var(--line)}.home-extras section{margin-block:24px}.home-extras h2{font-size:22px}.site-main:not(.home-main)>h1{font-size:30px;line-height:1.4;margin:18px 0 24px}.site-main:not(.home-main)>section{margin-block:30px}.site-main:not(.home-main) p{margin:.75em 0}.site-main:not(.home-main) a:hover{color:var(--blue)}.product-grid li{border:1px solid var(--line);padding:18px;min-width:0}.product-grid a{gap:6px}.product-grid img{align-self:center}.product-grid strong{font-size:17px}.product-grid small{color:var(--muted)}.rich p{margin:.8em 0}.breadcrumb{display:flex;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:13px;margin-bottom:22px}.btn{display:inline-flex;align-items:center;min-height:44px;border:1px solid #b7cedf;padding:8px 18px;color:var(--blue)}.btn-primary{background:var(--blue);color:#fff}.site-main .btn-primary:hover{color:#fff;background:#21568a}.footer-bottom a:hover{color:#fff}dialog img:not([src]){display:none}
@media(max-width:1100px){.site-main{width:calc(100% - 48px)}.series-directory{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media(max-width:760px){.site-main{width:calc(100% - 36px);padding-top:22px}.site-header nav{flex-wrap:wrap}.series-directory{grid-template-columns:repeat(2,minmax(0,1fr));font-size:13px}.site-main:not(.home-main)>h1{font-size:26px}}
.site-header{display:block}.site-footer{border-top:0}.utility-inner>span{white-space:nowrap}.utility-inner>div{flex-shrink:0}
.product-unlisted{display:flex;flex-direction:column;gap:6px}.product-image-missing{display:grid;place-items:center;align-self:center;width:160px;max-width:100%;aspect-ratio:1;color:#7c8b97;background:#f2f5f7;font-size:13px}.product-unlisted>a{color:var(--blue);font-size:13px}

/* Native disclosure keeps the initial header stable, including without JS. */
.mobile-navigation{display:none}
@media(max-width:760px){
 .masthead{position:relative}.site-header .navigation{display:none}
 .mobile-navigation{display:block;grid-column:2;grid-row:1}
 .mobile-navigation summary{display:flex;align-items:center;gap:12px;min-height:44px;padding:8px 0 8px 12px;font-size:13px;cursor:pointer;list-style:none}
 .mobile-navigation summary::-webkit-details-marker{display:none}
 .mobile-navigation summary:focus-visible{outline:3px solid #2b6aaa;outline-offset:4px}
 .mobile-navigation[open] summary{color:var(--blue)}
 .mobile-navigation nav{position:absolute;top:100%;left:0;right:0;z-index:4;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 20px;padding:10px 18px 16px;background:#eff4f8;border:1px solid #d5e2ec;box-shadow:0 12px 22px #17364c24}
 .mobile-navigation nav a{display:flex;align-items:center;min-height:48px;font-size:14px;color:#25465f;border-bottom:1px solid #d5e2ec}
 .mobile-navigation nav a[aria-current=page]{color:var(--blue);font-weight:600}
}

/* Focus uses the catalog blue on light surfaces and white on dark navigation. */
.utility a:focus-visible,.site-footer a:focus-visible{outline-color:#fff}.site-main:focus-visible{outline:2px solid #2b6aaa;outline-offset:-2px}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.application img,.navigation a:after{transition:none}}

@media(min-width:761px) and (max-width:1100px){.category-picture{height:184px}.category-picture img{width:180px;height:180px}}
@media(max-width:760px){.category{padding-inline:10px}.category-picture{height:136px}.category-picture img{width:136px;height:136px}}