*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:#16293b;background:#fff;font:15px/1.75 "Microsoft YaHei",Arial,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:5px}button{cursor:pointer}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h2{font-size:36px;line-height:1.4;letter-spacing:-1px}h3{font-size:23px}p{color:#687784}.wrap{width:min(1240px,88%);margin:auto}header{height:92px;display:flex;align-items:center;justify-content:space-between;padding:0 6%;background:#fff;position:sticky;top:0;z-index:20;border-bottom:1px solid #e4eaf0}.brand img{width:180px;max-height:44px;object-fit:contain;object-position:left}.brand span{font-size:11px;letter-spacing:2px;display:block}nav{display:flex;gap:32px;align-items:center;font-size:14px}nav a:hover,.textlink:hover{color:#147bb9}.nav-cta{padding:10px 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img{transform:scale(1.035)}.product-photo>span{position:absolute;top:22px;left:26px;z-index:1;font-size:10px;letter-spacing:2px;color:#8c9ba7}.product-copy{padding:28px 32px}.tag{font-size:11px;color:#1386b9}.product-copy h3{margin:5px 0 12px}.product-copy p{font-size:14px;min-height:74px}.product-copy a{display:flex;justify-content:space-between;border-top:1px solid #e4ebf0;margin-top:25px;padding-top:18px;font-size:13px}.product-copy b{color:#0084bd}.custom{margin-top:28px;border-left:3px solid #168abd;display:flex;justify-content:space-between;align-items:center;padding:20px 28px;background:#e9f0f5}.custom h3{font-size:18px}.custom p{font-size:12px;margin-top:4px}.custom>a{font-size:13px;color:#0868a5}.solutions{padding-top:88px;padding-bottom:88px}.solution-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:55px}.scene{position:relative;min-height:390px;background:#173b57}.scene img{width:100%;height:100%;object-fit:cover;position:absolute}.scene:after{content:"";position:absolute;inset:0;background:linear-gradient(transparent 25%,#071d32da)}.scene>div{position:absolute;z-index:1;bottom:30px;left:30px;right:25px;color:#fff}.scene span{font-size:10px;letter-spacing:2px}.scene h3{margin-top:12px}.scene p{color:#d3e1ed;font-size:13px;margin-top:10px}details{border-bottom:1px solid #dae3e9;padding:21px 0}summary{display:flex;gap:20px;cursor:pointer;align-items:center;color:#718696;font-size:12px;list-style:none}summary::-webkit-details-marker{display:none}summary b{font-size:18px;color:#18384f;font-weight:500}summary span{margin-left:auto;font-size:24px}details[open] summary span{transform:rotate(45deg)}details p{font-size:14px;padding:15px 30px 0 36px}.service{background:#10364f;color:#fff;padding:75px 0}.service .eyebrow{color:#72b4d8}.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:40px;margin-top:50px}.steps article{border-top:1px solid #ffffff33;padding-top:24px}.steps span{color:#79bcdf;font-size:12px}.steps h3{font-size:20px;margin:12px 0}.steps p{color:#a9c0d0;font-size:13px}.about{padding-top:82px;padding-bottom:82px;max-width:850px;text-align:center}.about p{margin:24px 0}.contact{background:#eaf2f7;padding:75px 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:90px}.contact h2{font-size:40px}.contact p{margin-top:22px}.email{display:block;font-size:23px;margin-top:30px;color:#086da8}form label{display:block;font-size:12px;color:#496173;margin-bottom:16px}input,select,textarea{display:block;width:100%;border:1px solid #cbdbe6;background:#f8fbfd;padding:12px;color:#1b3446;margin-top:6px;border-radius:0}textarea{min-height:100px;resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}form .button{width:100%}form small{display:block;font-size:10px;color:#667b8b;margin-top:12px}#form-status{font-size:12px;margin:8px 0}footer{display:flex;align-items:center;justify-content:space-between;padding-top:32px;padding-bottom:32px;font-size:12px}footer strong{font-size:16px}footer p{font-size:11px;margin-top:5px}.skip{position:fixed;top:-100px;z-index:100;background:#fff;padding:12px}.skip:focus{top:0}[hidden]{display:none!important}@media(max-width:1000px){nav{gap:16px}.brand span{display:none}.hero-content{width:65%}.intro{gap:25px}.range{padding-left:20px}.range strong{font-size:27px}.contact-grid{gap:45px}.section-head p{max-width:250px}}@media(max-width:720px){header{height:74px}.brand img{width:150px}.menu{display:block;border:0;background:none;font-size:25px;color:#18384f}nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;padding:25px 6%;box-shadow:0 8px 15px #16293b15}nav.open{display:flex;flex-direction:column;align-items:stretch}.hero-content{width:100%;padding:48px 6% 20px}.hero-content p{font-size:14px}.hero-photo{position:relative;width:100%;height:340px}.hero-photo>img{height:100%}.hero-photo:before{display:none}.photo-caption{bottom:12px;right:6%}.photo-caption small{font-size:8px}.hero-note{margin-top:25px}.hero-bottom span:nth-child(2){display:none}.eyebrow{font-size:9px}.actions{gap:20px}.button{padding:13px 20px;gap:20px;font-size:13px}.textlink{font-size:13px}.intro{grid-template-columns:1fr;gap:25px;padding-top:42px;padding-bottom:42px}.range{border-left:0;border-top:1px solid #dbe3e9;padding:20px 0 0}.range strong{font-size:35px}h2{font-size:28px}.section-head{display:block}.section-head p{margin-top:15px;max-width:none}.products,.service,.contact{padding:50px 0}.product-grid,.solution-grid,.contact-grid{grid-template-columns:1fr}.product-photo{height:260px}.product-copy{padding:24px}.product-copy p{min-height:0}.custom{align-items:start;gap:20px;flex-direction:column}.solutions{padding-top:50px;padding-bottom:50px}.scene{min-height:330px}.solution-grid{gap:15px}.steps{grid-template-columns:1fr 1fr;gap:28px;margin-top:30px}.about{padding-top:50px;padding-bottom:50px}.contact-grid{gap:35px}.contact h2{font-size:34px}footer{gap:20px;flex-wrap:wrap}footer>span{display:none}.desktop{display:none}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Product catalog: fuel type and engine brand */
.fuel-overview{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:35px}.fuel-overview>div{display:flex;align-items:center;background:white;border:1px solid #e0e7ed;padding:12px 22px 12px 8px;gap:12px}.fuel-overview img{width:40%;height:155px;object-fit:contain}.fuel-overview span{font-size:10px;color:#397caa;letter-spacing:2px}.fuel-overview h3{font-size:22px;margin:7px 0}.fuel-overview p{font-size:12px}.catalog-controls{display:flex;align-items:center;justify-content:space-between;gap:20px}.catalog-controls .filters{margin:0}.brand-select{display:flex;align-items:center;gap:12px;font-size:12px;color:#536a7d;white-space:nowrap}.brand-select select{width:230px;margin:0;padding:9px 12px;background:white}.catalog-meta{display:flex;align-items:center;justify-content:space-between;margin:22px 0 18px;font-size:12px;color:#738596}.brand-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.brand-card{background:white;border:1px solid #dce5ec;padding:26px;display:flex;flex-direction:column;transition:border-color .2s,box-shadow .2s}.brand-card:hover{border-color:#6aa8d0;box-shadow:0 8px 25px #123c5709}.brand-card-top{display:flex;justify-content:space-between;align-items:center}.brand-symbol{color:#739bb5}.brand-name{margin:24px 0 16px;min-height:72px}.brand-name>span{font-size:10px;letter-spacing:1.6px;color:#718899}.brand-name h3{font-size:25px;margin-top:5px;color:#123c57}.brand-series{font-size:12px;color:#277caf;padding-bottom:14px;border-bottom:1px solid #e5edf2}.brand-card>p{font-size:13px;margin:17px 0 24px;flex:1}.brand-links{display:flex;justify-content:space-between;gap:14px;font-size:12px}.brand-links a:first-child{color:#60798b}.brand-links a:last-child{color:#0868a5;font-weight:600}.brand-links a:hover{text-decoration:underline}.catalog-empty{padding:40px 20px;text-align:center;border:1px dashed #b9cad7}.catalog-meta p{font-size:12px}@media(max-width:1000px){.brand-grid{grid-template-columns:repeat(2,1fr)}.catalog-controls{align-items:flex-start;flex-direction:column}.fuel-overview h3{font-size:18px}}@media(max-width:720px){.fuel-overview{grid-template-columns:1fr;gap:12px}.fuel-overview img{height:120px;width:35%}.brand-grid{grid-template-columns:1fr}.brand-select{width:100%}.brand-select select{flex:1;min-width:0}.catalog-meta{gap:15px;align-items:start}.catalog-meta>span{white-space:nowrap}.catalog-controls .filters{gap:7px}.catalog-controls .filters button{padding:9px 13px;font-size:12px}.brand-name{min-height:0;margin:17px 0}.brand-card{padding:23px}}

/* Original seven-column navigation and dropdown hierarchy */
.site-header{gap:24px;padding:0 4%;height:92px}.site-header .brand{flex-shrink:0}.site-header nav{display:block}.nav-list,.dropdown{list-style:none;margin:0;padding:0}.nav-list{display:flex;align-items:center;gap:clamp(10px,1.5vw,26px)}.nav-item{position:relative}.nav-row{display:flex;align-items:center;height:92px;white-space:nowrap}.nav-row>a{font-size:16px;padding:14px 0}.submenu-toggle{border:0;background:none;color:#708594;padding:12px 3px;margin-left:4px;font-size:15px}.expanded .submenu-toggle{color:#0874b4}.expanded .submenu-toggle span{display:inline-block;transform:rotate(180deg)}.dropdown{display:none;position:absolute;top:100%;left:-20px;min-width:216px;background:white;border-top:3px solid #0874b4;box-shadow:0 12px 30px #153c5726;padding:10px 0;z-index:40}.nav-item:last-child .dropdown{left:auto;right:0}.nav-item.expanded>.dropdown{display:block}.dropdown a{display:block;padding:10px 22px;font-size:14px;white-space:nowrap;color:#3c5364}.dropdown a:hover,.dropdown a:focus-visible{background:#edf5fa;color:#0874b4}.special-section{padding-top:75px;padding-bottom:15px}.special-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.special-links>a{border:1px solid #dce5ec;padding:25px}.special-links h3{font-size:19px}.special-links p{font-size:13px;margin:12px 0 20px}.special-links span{font-size:12px;color:#0874b4}.special-links>a:hover{border-color:#0874b4;background:#f8fbfd}.case-links{width:min(1240px,88%);margin:-45px auto 70px;display:flex;flex-wrap:wrap;gap:12px}.case-links a{padding:9px 18px;background:#edf3f7;font-size:13px}.detail-hero{padding:55px 0;background:#edf3f7}.detail-hero .eyebrow{margin-top:30px}.detail-hero h1{font-size:44px}.detail-hero p{margin-top:15px}.detail-layout{display:grid;grid-template-columns:220px 1fr;gap:65px;padding-top:55px;padding-bottom:70px}.detail-layout aside{align-self:start;border:1px solid #dce5ec}.detail-layout aside>span{display:block;background:#123c57;color:white;padding:18px}.detail-layout aside a{display:block;padding:13px 18px;border-bottom:1px solid #e4ebf0;font-size:14px}.detail-layout aside a[aria-current],.detail-layout aside a:hover{background:#edf5fa;color:#0874b4}.detail-body article{padding-bottom:27px;margin-bottom:27px;border-bottom:1px solid #e0e8ee}.detail-body h2{font-size:25px;margin-bottom:14px}.detail-body p{line-height:1.95}.detail-cta{background:#edf3f7;padding:28px;margin-top:35px}.detail-cta p{margin:12px 0 20px}.detail-note{font-size:12px}.contact-phone{font-size:14px}
@media(max-width:1100px){.site-header{height:74px;padding:0 6%}.site-header .brand span{display:none}.site-header .menu{display:block;border:0;background:none;font-size:25px;color:#18384f}.site-header nav{display:none;position:absolute;top:74px;left:0;right:0;padding:15px 6%;background:white;max-height:calc(100dvh - 74px);overflow:auto;box-shadow:0 8px 20px #16344b20}.site-header nav.open{display:block}.nav-list{display:block}.nav-row{height:auto;justify-content:space-between;border-bottom:1px solid #e4ebf0}.nav-row>a{flex:1;padding:13px 0}.submenu-toggle{width:46px;height:46px}.dropdown{position:static;box-shadow:none;border:0;background:#f4f8fb;padding:6px 0;min-width:0}.dropdown a{padding:11px 20px}.site-header .brand img{width:160px}.special-links{grid-template-columns:repeat(2,1fr)}}
@media(max-width:720px){.special-section{padding-top:50px}.special-links{grid-template-columns:1fr}.case-links{margin-top:-20px;margin-bottom:45px}.detail-hero h1{font-size:32px}.detail-layout{grid-template-columns:1fr;gap:30px;padding-top:30px}.detail-layout aside{display:flex;flex-wrap:wrap;padding:8px;gap:6px}.detail-layout aside>span{width:100%;padding:8px 12px}.detail-layout aside a{font-size:12px;padding:8px 10px;border:0}.detail-hero{padding:30px 0}}

.brand-product-image{margin:18px 0 0;padding:8px 0 0;background:#fff}.brand-product-image img{width:100%;height:auto;aspect-ratio:8/5;object-fit:contain}.brand-product-image figcaption{text-align:center;font-size:10px;color:#7b8c99;margin-top:8px;line-height:1.6}

/* Unified series card layout: white product stage, complete equipment, no overlays */
.brand-card{padding:28px;display:flex;flex-direction:column;background:#fff}.brand-name{margin:24px 0 16px;min-height:72px}.brand-series{padding-bottom:18px}.brand-product-image{margin:20px 0 0;padding:0;background:#fff}.brand-image-stage{aspect-ratio:8/5;display:flex;align-items:center;justify-content:center;background:#fff;padding:8px;width:100%}.brand-product-image .brand-image-stage img{display:block;width:100%;height:100%;aspect-ratio:auto;object-fit:contain;object-position:center;max-width:100%;filter:none;mix-blend-mode:normal}.brand-product-image figcaption{margin-top:14px;color:#7b8c99;font-size:11px;line-height:1.7;text-align:center;min-height:38px}.brand-card>p{margin:18px 0 26px;min-height:68px;flex:1}.brand-links{margin-top:auto;padding-top:8px}.product-image-note{font-size:11px;color:#7b8c99;margin-top:18px}.brand-card:hover{border-color:#6aa8d0}.hero-photo>img{mix-blend-mode:normal}.fuel-overview img{object-fit:contain;background:white}@media(max-width:720px){.brand-card{padding:25px}.brand-name{min-height:0}.brand-product-image{margin-top:20px}.brand-image-stage{aspect-ratio:8/5;padding:8px}.brand-product-image figcaption{min-height:0;margin-top:12px}.brand-card>p{min-height:0;margin:22px 0 26px}}

/* Subject-based positioning: consistent visual scale, original pixels retained. */
.brand-image-stage{position:relative;display:block;overflow:hidden;padding:0;aspect-ratio:8/5}.brand-product-image .brand-image-stage img{position:absolute;max-width:none;height:auto;object-fit:contain;}
.brand-product-image .brand-image-stage img[src$="weichai-baudouin-open.png.webp"]{width:102.5855%;left:-1.2714%;top:-1.3269%;}
.brand-product-image .brand-image-stage img[src$="cummins-gas-open.jpg"]{width:84.2466%;left:6.8782%;top:-17.4971%;}
.brand-product-image .brand-image-stage img[src$="weichai-diesel-open.jpg"]{width:66.6034%;left:16.8064%;top:-5.5316%;}
.brand-product-image .brand-image-stage img[src$="ccec-diesel-open.jpg"]{width:83.4606%;left:7.6438%;top:-17.6865%;}
.brand-product-image .brand-image-stage img[src$="dcec-diesel-open.jpg"]{width:88.0537%;left:4.5973%;top:-22.8204%;}
.brand-product-image .brand-image-stage img[src$="mitsubishi-diesel-open.jpg"]{width:100.1527%;left:0.487%;top:-28.72%;}
.brand-product-image .brand-image-stage img[src$="sdec-diesel-open.jpg"]{width:86.3764%;left:4.6524%;top:-6.6629%;}
.brand-product-image .brand-image-stage img[src$="yuchai-diesel-open.png"]{width:101.2346%;left:-0.516%;top:-31.1496%;}
.brand-product-image .brand-image-stage img[src$="perkins-diesel-open.jpg"]{width:76.6262%;left:10.5674%;top:-10.5049%;}
.brand-product-image .brand-image-stage img[src$="volvo-diesel-open.jpg"]{width:75.6458%;left:12.4135%;top:-12.786%;}

/* Compact image-led series cards */
.brand-card{padding:22px 24px;min-height:0}.brand-name{margin:16px 0 10px;min-height:0}.brand-name h3{margin-top:7px}.brand-series{padding-bottom:12px}.brand-product-image{margin-top:12px}.brand-product-image figcaption{min-height:0;margin-top:8px;padding-bottom:0}.series-image-link{display:block}.series-image-link:hover{background:#f7fbfd}.series-image-link:focus-visible{outline:3px solid #168abd;outline-offset:3px}.series-detail{padding-top:38px;padding-bottom:60px}.series-detail>section{margin-bottom:44px}.series-detail h2{font-size:28px;margin-bottom:16px}.series-intro{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}.series-intro p{margin-top:20px}.table-scroll{overflow-x:auto;margin:20px 0}.selection-table{width:100%;border-collapse:collapse;white-space:nowrap}.selection-table th{background:#123c57;color:white;text-align:left}.selection-table td,.selection-table th{padding:14px 18px;border-bottom:1px solid #dbe5ed}.selection-table tbody tr:nth-child(even){background:#f2f7fa}.model-pick{border:1px solid #0874b4;color:#0874b4;background:white;padding:5px 16px}.model-pick[aria-pressed=true]{background:#0874b4;color:white}.source-note{font-size:12px;margin:14px 0 20px}.source-note a{color:#0874b4;text-decoration:underline}fieldset{border:1px solid #dbe5ed;margin:18px 0;padding:18px}.config-options{display:flex;flex-wrap:wrap;gap:14px 26px}.spec-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#dbe5ed;border:1px solid #dbe5ed}.spec-grid>div{padding:17px 20px;background:#f8fbfd}.spec-grid dt{font-size:12px;color:#718596}.spec-grid dd{margin:5px 0 0;color:#123c57;font-weight:600}.catalog-case{margin:26px 0}.catalog-window{position:relative;overflow:hidden;background:#edf3f7;aspect-ratio:1.67}.catalog-window img{position:absolute;max-width:none}.catalog-case figcaption{margin-top:12px;color:#607687;font-size:13px}@media(max-width:720px){.series-intro{grid-template-columns:1fr;gap:10px}.spec-grid{grid-template-columns:1fr 1fr}.brand-card{padding:20px}.series-detail h2{font-size:24px}}

/* Subject-based positioning: consistent visual scale, original pixels retained. */
.brand-image-stage{position:relative;display:block;overflow:hidden;padding:0;aspect-ratio:8/5}.brand-product-image .brand-image-stage img{position:absolute;max-width:none;height:auto;object-fit:contain;}
.brand-product-image .brand-image-stage img[src$="weichai-baudouin-open.png.webp"]{width:102.5855%;left:-1.2714%;top:-1.3269%;}
.brand-product-image .brand-image-stage img[src$="cummins-gas-open.jpg"]{width:84.2466%;left:6.8782%;top:-17.4971%;}
.brand-product-image .brand-image-stage img[src$="weichai-diesel-catalog.png.webp"]{width:87.7544%;left:6.0121%;top:5.4256%;}
.brand-product-image .brand-image-stage img[src$="ccec-diesel-open.jpg"]{width:83.4606%;left:7.6438%;top:-17.6865%;}
.brand-product-image .brand-image-stage img[src$="dcec-diesel-open.jpg"]{width:88.0537%;left:4.5973%;top:-22.8204%;}
.brand-product-image .brand-image-stage img[src$="mitsubishi-open-clean.png.webp"]{width:103.5529%;left:-1.3223%;top:-33.3047%;}
.brand-product-image .brand-image-stage img[src$="sdec-diesel-open.jpg"]{width:86.3764%;left:4.6524%;top:-6.6629%;}
.brand-product-image .brand-image-stage img[src$="yuchai-diesel-open.png"]{width:101.2346%;left:-0.516%;top:-31.1496%;}
.brand-product-image .brand-image-stage img[src$="perkins-diesel-open.jpg"]{width:76.6262%;left:10.5674%;top:-10.5049%;}
.brand-product-image .brand-image-stage img[src$="volvo-diesel-open.jpg"]{width:75.6458%;left:12.4135%;top:-12.786%;}
/* Homepage equipment carousel */
.hero-carousel{background:#edf3f7;display:flex;flex-direction:column;justify-content:center;padding:30px 3% 35px 0}.hero-carousel:before{display:none}.hero-slides{width:100%;overflow:hidden}.hero-slide{margin:0}.hero-slide[hidden]{display:none}.hero-slide img{width:100%;height:360px;object-fit:contain}.hero-slide figcaption{text-align:center;color:#315b74;font-size:14px;margin-top:12px}.carousel-controls{display:flex;justify-content:center;align-items:center;gap:18px;margin-top:18px}.carousel-controls button{background:white;border:1px solid #b8d0df;padding:6px 14px;color:#14516f}.hero-slide{animation:slide-in .6s ease}.category-entry{display:block}.category-entry:focus-visible{outline:3px solid #0874b4}.category-entry .product-copy{padding-top:14px}.category-entry h3 span{float:right;color:#0874b4}.brand-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}@keyframes slide-in{from{opacity:.4;transform:translateX(25px)}to{opacity:1;transform:translateX(0)}}@media(max-width:900px){.hero-carousel{position:relative;width:100%;padding:10px 6% 28px;height:auto}.hero-content{width:100%;padding:45px 6% 24px}.hero-slide img{height:300px}.brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:600px){.brand-grid{grid-template-columns:1fr}.hero-slide img{height:240px}}@media(prefers-reduced-motion:reduce){.hero-slide{animation:none}}
.model-search-label{display:block;margin-top:20px;color:#315b74}.model-search-label input{display:block;width:min(100%,420px);margin-top:8px;padding:10px 14px;border:1px solid #bdd0dc;background:white}.selection-table tr[hidden]{display:none}.table-scroll{max-height:620px;overflow:auto}.selection-table thead{position:sticky;top:0;z-index:1}#model-count{font-size:12px;margin-top:8px}

/* Four consistent hero product stages */
.hero-carousel{background:#fff}.hero-slide img{background:#fff;object-fit:contain;padding:12px;width:100%;height:360px}.hero-slide figcaption{min-height:25px}.hero-slide img[src$="container-4x300.png.webp"]{padding:24px 12px}@media(max-width:900px){.hero-slide img{height:300px}}@media(max-width:600px){.hero-slide img{height:240px}}

/* A single white first-screen background, controls above the bottom divider. */
.hero{background:#fff;display:grid;grid-template-columns:1fr 1fr;align-items:center}.hero-content{width:auto;padding:70px 5% 55px 12%;grid-column:1}.hero-carousel{position:relative;inset:auto;width:100%;height:auto;background:#fff;padding:35px 10% 35px 2%;grid-column:2}.hero-bottom{grid-column:1/-1;width:auto;align-self:end}.hero-slides{touch-action:pan-y}.carousel-controls{position:relative;margin-top:16px;padding-bottom:6px}.hero-slide img{background:#fff}@media(max-width:900px){.hero{grid-template-columns:1fr}.hero-content{grid-column:1;padding:45px 6% 20px}.hero-carousel{grid-column:1;padding:10px 6% 28px}.hero-bottom{grid-column:1}}
/* Align the company name to the exact logo box on every page. */
.site-header .brand{display:block;flex:0 0 190px;width:190px}.site-header .brand img{display:block;width:100%;height:auto;max-height:none;object-fit:contain}.site-header .brand span{display:block;width:100%;white-space:nowrap;font-size:12px;line-height:1.6;letter-spacing:0;text-align:justify;text-align-last:justify;margin-top:3px}@media(max-width:1100px){.site-header .brand{flex-basis:160px;width:160px}.site-header .brand img{width:100%}.site-header .brand span{display:block;font-size:10px}}
/* Minimal reference-style navigation: dot with a ring on the active slide. */
.carousel-dots{display:flex;justify-content:center;align-items:center;gap:18px;margin:12px 0 0;padding:0;position:relative}.carousel-dot{width:42px;height:42px;border:2px solid transparent;border-radius:50%;padding:0;display:grid;place-items:center;background:transparent;color:#187bad;cursor:pointer}.carousel-dot span{display:block;width:6px;height:6px;border-radius:50%;background:#b8ccd8}.carousel-dot[aria-pressed=true]{border-color:#187bad}.carousel-dot[aria-pressed=true] span,.carousel-dot:hover span{background:#187bad}.carousel-dot:focus-visible{outline:2px solid #123c57;outline-offset:4px}

/* Blue circumference drains to white over each five-second slide. */
.carousel-dot{position:relative;border:0}.carousel-dot[aria-pressed=true]{border:0}.countdown-ring{display:none;position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg);pointer-events:none}.carousel-dot[aria-pressed=true] .countdown-ring{display:block}.countdown-ring circle{fill:none;stroke-width:2}.ring-base{stroke:#fff}.ring-progress{stroke:#187bad;stroke-dasharray:100;stroke-dashoffset:calc(100 - var(--ring-remaining,100));stroke-linecap:butt}

/* Half-size visible ring; retain the original clickable area. */
.carousel-dot .countdown-ring{width:50%;height:50%;inset:25%}

/* Desktop section-by-section scrolling with a persistent navigation header. */
html.scroll-home{--header-height:92px;scroll-padding-top:var(--header-height);scroll-snap-type:y mandatory}.scroll-home-body #main>section{min-height:calc(100svh - var(--header-height));scroll-snap-align:start;scroll-snap-stop:always}.scroll-home-body .hero{grid-template-rows:1fr auto}.scroll-home-body .hero-content{padding-top:50px;padding-bottom:45px}.scroll-home-body .hero-carousel{align-self:center}.scroll-home-body .hero-slide img{height:clamp(260px,47svh,560px)}.scroll-home-body #products{padding:30px 0 45px}.scroll-home-body #products .intro{padding-top:15px;padding-bottom:28px;gap:30px}.scroll-home-body #products .product-photo{height:clamp(180px,30svh,330px)}.scroll-home-body #special,.scroll-home-body #solutions{display:flex;flex-direction:column;justify-content:center;padding-top:45px;padding-bottom:45px}.scroll-home-body .case-links{width:100%;margin:24px 0 0}.scroll-home-body #service,.scroll-home-body #about,.scroll-home-body #contact{display:flex;flex-direction:column;justify-content:center;padding-top:50px;padding-bottom:50px}.scroll-home-body footer{scroll-snap-align:end}@media(max-width:900px),(max-height:620px){html.scroll-home{scroll-snap-type:none}.scroll-home-body #main>section{min-height:0;scroll-snap-align:none}.scroll-home-body .hero-slide img{height:300px}.scroll-home-body #products .intro{padding-top:20px;padding-bottom:30px}}@media(max-width:600px){.scroll-home-body .hero-slide img{height:240px}}
/* Isolated desktop screens: overflow stays inside its own section. */
@media(min-width:901px){html.scroll-home{height:100%;overflow:hidden;scroll-snap-type:none;scroll-padding-top:0}.scroll-home-body{height:100dvh;overflow:hidden}.scroll-home-body #main{height:calc(100dvh - var(--header-height));overflow-y:auto;overflow-x:hidden;scroll-snap-type:y mandatory;scroll-behavior:smooth;overscroll-behavior-y:contain;position:relative;outline:none}.scroll-home-body #main>section{height:100%;min-height:100%;max-height:100%;overflow-y:auto;overflow-x:hidden;overscroll-behavior:contain;scroll-snap-align:start;scroll-snap-stop:always;box-sizing:border-box;position:relative;flex-shrink:0}.scroll-home-body #main>section> *{flex-shrink:0}.scroll-home-body #about,.scroll-home-body #special,.scroll-home-body #solutions,.scroll-home-body #service,.scroll-home-body #contact{justify-content:safe center;padding-top:32px;padding-bottom:32px}.scroll-home-body .hero{grid-template-rows:minmax(0,1fr) auto}.scroll-home-body .hero-content{padding-top:24px;padding-bottom:24px}.scroll-home-body .hero-content h1{font-size:clamp(36px,3.6vw,60px)}.scroll-home-body .hero-slide img{height:clamp(190px,43dvh,480px)}.scroll-home-body .hero-bottom{margin-top:0}.scroll-home-body #products .intro{padding:0 0 20px;gap:24px}.scroll-home-body #products .intro h3{font-size:24px}.scroll-home-body #products .section-head{margin-bottom:20px}.scroll-home-body #products .product-photo{height:clamp(140px,27dvh,280px)}.scroll-home-body .section-head h2{font-size:32px}.scroll-home-body .solutions .scene{min-height:280px}.scroll-home-body .solutions .solution-grid{gap:32px}.scroll-home-body .solutions details{padding:13px 0}.scroll-home-body .steps{margin-top:28px}.scroll-home-body #contact .contact-grid{gap:45px}.scroll-home-body #contact footer{margin-top:24px;padding-top:16px;padding-bottom:0;min-height:0;scroll-snap-align:none}.nav-row>a[aria-current=page]{color:#0874b4}.scroll-home-body #main>section::-webkit-scrollbar{width:5px}.scroll-home-body #main>section::-webkit-scrollbar-thumb{background:#b9cfdd;border-radius:4px}}

/* Third screen: title and two complete category cards fit the available viewport. */
@media(min-width:901px){.scroll-home-body #products{padding:clamp(18px,4dvh,40px) 0;display:flex;flex-direction:column;justify-content:center}.scroll-home-body #products>.wrap{height:100%;min-height:0;display:flex;flex-direction:column;justify-content:center}.scroll-home-body #products .section-head{flex:0 0 auto;margin-bottom:clamp(12px,3dvh,28px)}.scroll-home-body #products .eyebrow{margin-bottom:8px}.scroll-home-body #products h2{font-size:clamp(26px,3.2dvh,36px)}.scroll-home-body #products .product-grid{min-height:0;flex:1 1 auto;max-height:520px;align-items:stretch}.scroll-home-body #products .product-grid article{min-height:0;overflow:hidden}.scroll-home-body #products .category-entry{height:100%;display:flex;flex-direction:column}.scroll-home-body #products .product-photo{height:auto;min-height:0;flex:1 1 auto;padding:12px 20px}.scroll-home-body #products .product-photo img{height:100%;width:100%;object-fit:contain}.scroll-home-body #products .product-copy{flex:0 0 auto;padding:16px 24px 20px}.scroll-home-body #products .product-copy h3{font-size:clamp(18px,2vw,25px);line-height:1.5;margin:0}.scroll-home-body #products .category-entry:hover img{transform:scale(1.02)}}

/* A larger equipment presentation without cropping the machines. */
.scroll-home-body .hero-bottom{justify-content:center;gap:28px}.hero-promise{font-size:clamp(18px,1.65vw,26px);font-weight:750;line-height:1.5;color:#254e68;text-align:center}.scroll-home-body .hero-bottom>a{margin-left:auto}.scroll-home-body .hero-bottom .hero-promise{margin-left:auto}
@media(min-width:901px){.scroll-home-body .hero{grid-template-columns:40% 60%}.scroll-home-body .hero-content{padding-left:15%;padding-right:3%}.scroll-home-body .hero-content h1{font-size:clamp(34px,3.2vw,56px)}.scroll-home-body .hero-carousel{padding:10px 2% 10px 0;width:100%;min-height:0;align-self:stretch;justify-content:center}.scroll-home-body .hero-slides{min-height:0}.scroll-home-body .hero-slide img{height:clamp(250px,61dvh,760px);padding:0;object-fit:contain}.scroll-home-body .hero-slide img[src$="container-4x300.png.webp"]{padding:0}.scroll-home-body .carousel-dots{margin-top:2px}.scroll-home-body .hero-bottom{padding:14px 0}}
@media(max-width:900px){.scroll-home-body .hero-carousel{padding:0 2% 18px}.scroll-home-body .hero-slide img{height:clamp(280px,48vw,460px);padding:0}.scroll-home-body .hero-bottom{gap:12px}.hero-promise{font-size:18px}}

.industry-switcher{display:grid;grid-template-columns:190px minmax(0,1fr);gap:32px;align-items:stretch;min-height:0}.industry-tabs{display:flex;flex-direction:column;gap:10px}.industry-tabs button{display:flex;align-items:center;justify-content:space-between;flex:1;min-height:42px;padding:12px 20px;border:1px solid #dbe6ed;background:#edf4f8;color:#173c54;text-align:left;font-size:17px}.industry-tabs button[aria-selected=true]{background:#0874b4;border-color:#0874b4;color:#fff}.industry-tabs button:hover{border-color:#0874b4}.industry-panels{min-width:0;min-height:0}.industry-panel{margin:0}.industry-panel[hidden]{display:none}.industry-photo{height:clamp(300px,52dvh,560px);width:100%;overflow:hidden;background:#edf3f7}.industry-photo img{width:100%;height:100%;object-fit:cover;object-position:center}.industry-panel figcaption{font-size:11px;color:#7b8c99;margin-top:8px}.industry-panel figcaption a{text-decoration:underline}.scroll-home-body #solutions .section-head{margin-bottom:24px}@media(max-width:900px){.industry-switcher{grid-template-columns:1fr;gap:18px}.industry-tabs{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.industry-tabs button{font-size:14px;padding:10px 12px}.industry-photo{height:clamp(240px,48vw,450px)}}@media(max-width:500px){.industry-tabs{grid-template-columns:repeat(2,1fr)}}

/* Coordinated industry controls and service support screen. */
.industry-tabs button{position:relative;overflow:hidden;border-radius:8px;font-weight:600;background:#f0f5f8;transition:background .25s,border-color .25s,box-shadow .25s,transform .25s}
.industry-tabs button:hover{transform:translateX(4px);background:#e3eff6;box-shadow:0 6px 18px #123c5710}
.industry-tabs button[aria-selected=true]{background:linear-gradient(120deg,#0874b4,#1595c3);border-color:transparent;box-shadow:0 8px 22px #0874b42a}
.industry-tabs button span:last-child{transition:transform .25s;opacity:.7}.industry-tabs button:hover span:last-child,.industry-tabs button[aria-selected=true] span:last-child{transform:translate(2px,-2px);opacity:1}
.industry-tabs button:focus-visible{outline:3px solid #167eb3;outline-offset:3px}
.industry-photo{border-radius:10px}.industry-panel:not([hidden]) img{animation:industry-reveal .55s ease both}
@keyframes industry-reveal{from{opacity:.25;transform:scale(1.025)}to{opacity:1;transform:scale(1)}}
#service{background:#f4f7f9;color:#173c54}#service .eyebrow{color:#3189b3}#service .section-head{margin-bottom:24px}#service h2{color:#152f42;margin:0}
.service-layout{display:grid;grid-template-columns:1.15fr 1fr;gap:32px;align-items:stretch}
.service-visual{margin:0;position:relative;overflow:hidden;border-radius:10px;height:clamp(300px,49dvh,520px);background:#dce8ee}
.service-visual>img{width:100%;height:100%;object-fit:cover;object-position:center;display:block}
.service-photo-copy{position:absolute;bottom:0;left:0;right:0;padding:60px 28px 26px;background:linear-gradient(transparent,#102e43d9);color:white;display:grid;gap:9px}.service-photo-copy span{font-size:11px;letter-spacing:2px}.service-photo-copy strong{font-size:clamp(17px,1.5vw,24px)}
#service .steps{margin:0;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
#service .steps article{border:1px solid #dfe9ef;background:white;border-radius:8px;padding:clamp(16px,2vw,28px);transition:transform .25s,box-shadow .25s,border-color .25s}
#service .steps article:hover{transform:translateY(-4px);border-color:#a5cddd;box-shadow:0 10px 24px #123c5710}
#service .steps article>span{color:#1688b8;font-size:14px;font-weight:600}#service .steps h3{font-size:clamp(19px,1.65vw,25px);margin:14px 0 10px;color:#173c54}#service .steps p{font-size:14px;line-height:1.8;color:#6b7f8d;margin:0}
@media(max-width:900px){.service-layout{grid-template-columns:1fr;gap:20px}.service-visual{height:clamp(280px,52vw,460px)}#service .steps article{padding:22px}.industry-tabs button:hover{transform:translateY(-2px)}}
@media(max-width:500px){#service .steps{gap:10px}#service .steps article{padding:16px}.service-photo-copy{padding:50px 20px 20px}}
@media(prefers-reduced-motion:reduce){.industry-tabs button,.industry-tabs button span:last-child,#service .steps article{transition:none}.industry-panel:not([hidden]) img{animation:none}.industry-tabs button:hover,#service .steps article:hover{transform:none}}

@media(min-width:901px){.industry-switcher{height:clamp(360px,54dvh,580px);align-items:stretch}.industry-tabs{min-height:0;display:grid;grid-template-rows:repeat(6,minmax(0,1fr));gap:10px}.industry-tabs button{min-height:0;padding:8px 20px}.industry-panels,.industry-panel,.industry-photo{height:100%}.industry-panel[hidden]{display:none}}
.certificate-gallery{padding-top:40px;padding-bottom:60px}.cert-section{margin-bottom:48px}.cert-section h2{font-size:28px;margin-bottom:24px}.cert-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.cert-card{width:100%;text-align:left;padding:20px;border:1px solid #dce7ee;background:#fff;border-radius:10px;color:#173c54;cursor:pointer;transition:transform .3s,box-shadow .3s}.cert-card:hover{transform:translateY(-6px);box-shadow:0 16px 32px #173c5418}.cert-image{height:300px;background:#fff;display:flex;align-items:center;justify-content:center;padding:16px;overflow:hidden}.cert-image img{width:100%;height:100%;object-fit:contain}.cert-card h3{font-size:17px;margin:20px 0 8px}.cert-card>span{color:#3189b3;font-size:12px}.cert-card.cert-enter{animation:cert-enter .65s both}.cert-card:focus-visible{outline:3px solid #0874b4;outline-offset:3px}@keyframes cert-enter{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
#certificate-viewer{border:0;border-radius:10px;padding:24px;max-width:94vw;max-height:94dvh;background:white;color:#173c54}#certificate-viewer::backdrop{background:#09283de0}#certificate-viewer h2{font-size:18px;padding-right:40px;margin:0 0 16px}#certificate-viewer img{display:block;max-width:85vw;max-height:78dvh;object-fit:contain;margin:auto}.cert-close{position:absolute;right:12px;top:8px;border:0;background:#edf4f8;color:#173c54;font-size:28px;width:40px;height:40px;border-radius:50%}.special-product{margin:0 0 32px;background:#f2f7fa;padding:24px;border-radius:10px}.special-product img{width:100%;height:clamp(220px,34vw,400px);object-fit:contain}.special-copy h2{margin-top:30px}.special-copy li{margin:10px 0;line-height:1.8}.special-product figcaption{font-size:13px;color:#668194;text-align:center}@media(max-width:900px){.cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.cert-grid{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){.cert-card.cert-enter{animation:none}.cert-card{transition:none}}

.special-overview{display:grid;grid-template-columns:40% minmax(0,1fr);gap:30px;align-items:stretch}.special-showcase{display:flex;flex-direction:column;justify-content:center;background:#edf4f8;padding:22px;border-radius:10px;color:#0874b4}.special-showcase img{width:100%;height:clamp(180px,32dvh,380px);object-fit:contain}.special-showcase span{margin-top:16px;font-weight:600}.special-overview .special-links{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.special-overview .special-links a{padding:20px}.special-overview .special-links h3{font-size:20px;margin:0 0 8px}.special-overview .special-links p{font-size:13px;margin:0 0 8px}@media(max-width:900px){.special-overview{grid-template-columns:1fr}.special-showcase img{height:280px}}@media(max-width:500px){.special-overview .special-links{grid-template-columns:1fr}}

.cert-image img.cert-landscape{transform:rotate(90deg);max-width:250px;max-height:250px}

/* Keep the entire homepage special-application overview within its screen. */
@media(min-width:901px){.scroll-home-body #special{padding-top:24px;padding-bottom:24px;display:flex;justify-content:center;gap:0}.scroll-home-body #special .section-head{flex:0 0 auto;margin:0 0 20px}.scroll-home-body #special .section-head h2{margin:6px 0 0;font-size:clamp(26px,3.5dvh,36px)}.scroll-home-body #special .section-head .eyebrow{margin-bottom:6px}.scroll-home-body #special .special-overview{flex:0 1 auto!important;height:calc(100dvh - var(--header-height) - 190px);max-height:510px;min-height:270px;grid-template-columns:minmax(0,.85fr) minmax(0,1.35fr);gap:24px}.scroll-home-body #special .special-showcase{min-height:0;padding:18px}.scroll-home-body #special .special-showcase img{height:0;min-height:0;flex:1;object-fit:contain}.scroll-home-body #special .special-showcase span{flex:0 0 auto;margin-top:10px}.scroll-home-body #special .special-links{height:100%;min-height:0;grid-template-rows:repeat(3,minmax(0,1fr));gap:12px}.scroll-home-body #special .special-links a{min-height:0;padding:clamp(10px,1.7dvh,18px);display:flex;flex-direction:column;justify-content:center}.scroll-home-body #special .special-links h3{font-size:clamp(16px,1.6vw,21px);margin:0 0 6px}.scroll-home-body #special .special-links p{line-height:1.5;margin:0 0 6px;font-size:12px}.scroll-home-body #special .special-links span{font-size:11px}}
.special-detail-main{background:#f5f8fa;padding:24px 0 40px;min-height:calc(100dvh - 180px)}.special-breadcrumb{font-size:13px;color:#718795;margin:0 0 20px}.special-detail-heading{margin-bottom:24px}.special-detail-heading h1{font-size:clamp(28px,3vw,42px);margin:8px 0 0}.special-detail-grid{display:grid;grid-template-columns:220px minmax(0,1fr);gap:28px;align-items:start}.special-detail-tabs{display:grid;gap:10px}.special-detail-tabs a{display:flex;justify-content:space-between;align-items:center;padding:18px;background:white;border:1px solid #dce7ee;border-radius:8px;font-size:15px;color:#173c54;transition:background .2s,box-shadow .2s}.special-detail-tabs a[aria-current=page]{color:white;background:#0874b4;border-color:#0874b4;box-shadow:0 6px 20px #0874b422}.special-detail-content{background:white;border:1px solid #dce7ee;border-radius:10px;padding:24px 30px;min-height:430px}.special-panel[hidden]{display:none}.special-panel:not([hidden]){animation:industry-reveal .3s ease}.special-panel .special-copy{display:grid;grid-template-columns:90px minmax(0,1fr);gap:22px 24px;align-items:start}.special-panel .special-copy h2{font-size:20px;margin:0;color:#0874b4;line-height:1.8}.special-panel .special-copy p,.special-panel .special-copy ul{font-size:15px;line-height:1.85;margin:0;color:#415b6d}.special-panel .special-copy ul{padding-left:20px}.special-panel .special-copy li{margin:0 0 8px;line-height:1.85}
@media(max-width:900px){.special-detail-grid{grid-template-columns:1fr;gap:18px}.special-detail-tabs{grid-template-columns:repeat(3,minmax(0,1fr))}.special-detail-tabs a{padding:12px;font-size:13px}.special-detail-content{min-height:0;padding:22px}.special-panel .special-copy{grid-template-columns:1fr;gap:12px}.special-panel .special-copy h2:not(:first-child){margin-top:12px}}@media(max-width:500px){.special-detail-tabs{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(prefers-reduced-motion:reduce){.special-panel:not([hidden]){animation:none}}

/* Shared compact inner-page heading: reserve the viewport for page content. */
.detail-hero.compact-page-head{padding:18px 0 20px;background:#f7fafb;border-bottom:1px solid #e1eaf0;min-height:0}
.compact-page-head>.wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:8px 28px;align-items:center}
.detail-hero.compact-page-head p:first-child{grid-column:1/-1;margin:0;font-size:12px;line-height:1.6;color:#718592}
.detail-hero.compact-page-head h1{margin:0;font-size:clamp(23px,2.1vw,30px);line-height:1.4;font-weight:700;color:#173c54}
.detail-hero.compact-page-head h1+p{margin:0;font-size:13px;line-height:1.7;text-align:right;color:#718592}
.compact-page-head+.detail-layout{padding-top:28px;gap:38px}.compact-page-head+.series-detail{padding-top:26px}.compact-page-head+.certificate-gallery{padding-top:28px}
@media(max-width:700px){.detail-hero.compact-page-head{padding:14px 0 16px}.compact-page-head>.wrap{grid-template-columns:minmax(0,1fr);gap:7px}.detail-hero.compact-page-head h1{font-size:23px}.detail-hero.compact-page-head h1+p{text-align:left;font-size:12px}.compact-page-head+.detail-layout{padding-top:22px;gap:22px}}

/* Align the service photo with the complete two-row card group. */
@media(min-width:901px){.service-layout{align-items:stretch}.service-visual{height:auto;min-height:clamp(320px,49dvh,520px);align-self:stretch}.service-visual>img{position:absolute;inset:0;width:100%;height:100%}#service .steps{grid-template-rows:repeat(2,minmax(0,1fr))}#service .steps article:hover{transform:none}}
.special-text-photo{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:26px;align-items:center}.special-panel .special-copy{grid-template-columns:1fr;gap:8px}.special-panel .special-copy h2:not(:first-child){margin-top:12px}.special-panel .special-copy h2{font-size:18px}.special-panel .special-copy p,.special-panel .special-copy ul{font-size:14px;line-height:1.8}.special-application-image{margin:0;min-width:0;background:#f5f8fa;border-radius:8px;padding:12px}.special-photo-stage{width:100%;aspect-ratio:4/3;position:relative;overflow:hidden;display:grid;place-items:center}.special-photo-stage img{width:100%;height:100%;object-fit:contain}.silent-catalog-stage{aspect-ratio:1.5;background:white}.silent-catalog-stage img{position:absolute;width:384%;max-width:none;height:auto;left:-42%;top:-67%;object-fit:initial}
@media(max-width:1100px){.special-text-photo{grid-template-columns:1fr}.special-application-image{max-width:560px;width:100%;justify-self:center}.special-photo-stage{max-height:300px}}
/* Product category pages occupy the available desktop viewport. */
@media(min-width:901px){body.category-screen{height:100dvh;display:flex;flex-direction:column;overflow:hidden}.category-screen>.site-header{flex:0 0 auto}.category-screen>#main{flex:1;min-height:0;display:flex;flex-direction:column}.category-screen .compact-page-head{flex:0 0 auto;padding:12px 0}.category-screen #main>.products{flex:1;min-height:0;padding:18px 0 22px}.category-screen .products>.wrap{height:100%;min-height:0}.category-screen .brand-grid{height:100%;min-height:0;gap:16px}.category-gas .brand-grid{grid-template-columns:repeat(2,minmax(0,1fr));grid-template-rows:minmax(0,1fr);max-width:1120px;margin:auto}.category-diesel .brand-grid{grid-template-columns:repeat(4,minmax(0,1fr));grid-template-rows:repeat(2,minmax(0,1fr))}.category-screen .brand-card{min-height:0;padding:14px 18px;display:flex;flex-direction:column;overflow:hidden}.category-screen .brand-card-top{flex:0 0 auto;font-size:11px}.category-screen .brand-name{margin:8px 0 4px;flex:0 0 auto}.category-screen .brand-name>span{font-size:9px;letter-spacing:1px}.category-screen .brand-name h3{font-size:21px;margin:4px 0}.category-screen .brand-series{font-size:11px;padding-bottom:8px}.category-screen .brand-product-image{min-height:0;flex:1;display:flex;flex-direction:column;margin:8px 0 0}.category-screen .series-image-link{min-height:0;flex:1;display:grid;place-items:center;overflow:hidden}.category-screen .brand-image-stage{width:100%;height:100%;aspect-ratio:auto}.category-screen .brand-product-image .brand-image-stage img{position:static;width:100%;height:100%;object-fit:contain}.category-screen .brand-product-image figcaption{font-size:10px;line-height:1.4;margin-top:5px;flex:0 0 auto}.category-diesel .brand-card-top{display:none}.category-diesel .brand-name{margin-top:0}.category-diesel .brand-name h3{font-size:17px}.category-diesel .brand-name>span{font-size:8px}.category-diesel .brand-card{padding:10px 14px}}

.reserved-gas-card{background:#fff}.reserved-product-space{flex:1;min-height:120px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;margin-top:14px;border:1px dashed #c9dce7;border-radius:6px;background:#f7fafc;color:#8196a4;font-size:13px}.reserved-product-symbol{font-size:34px;line-height:1;color:#b1c9d7}
@media(min-width:901px){.category-gas .brand-grid{grid-template-columns:repeat(4,minmax(0,1fr));max-width:none}.category-gas .brand-name h3{font-size:clamp(17px,1.6vw,23px)}.category-gas .brand-card{padding:16px}.category-gas .reserved-product-space{min-height:0}.category-gas .brand-product-image figcaption{font-size:10px}}
@media(min-width:601px) and (max-width:900px){.category-gas .brand-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Consistent pale-blue product image surfaces. */
:root{--product-surface:#edf4f8}.special-application-image,.special-photo-stage,.brand-image-stage,.product-photo,.hero,.hero-carousel,.hero-slide img,.special-showcase,.special-product{background:var(--product-surface)}
.special-photo-stage img,.brand-image-stage img,.product-photo img,.hero-slide img,.special-showcase img,.special-product img{mix-blend-mode:multiply}.special-application-image{isolation:isolate}.hero-content,.hero-bottom{background:var(--product-surface)}

.special-photo-stage img[src$="silent-clean.png.webp"],.special-photo-stage img[src$="ultra-silent-ivory.png.webp"]{mix-blend-mode:normal;object-fit:contain;width:100%;height:100%}.scroll-home-body .hero,.scroll-home-body .hero-carousel,.scroll-home-body .hero-slide img{background:var(--product-surface)}

/* Stable single-screen special application layout across all six tabs. */
@media(min-width:901px){body.special-detail-page{height:100dvh;display:flex;flex-direction:column;overflow:hidden}.special-detail-page>.site-header{flex:0 0 auto}.special-detail-main{flex:1;min-height:0;padding:18px 0 22px;display:flex}.special-detail-main>.wrap{display:flex;flex-direction:column;min-height:0;width:88%}.special-breadcrumb{flex:0 0 auto;margin:0 0 14px}.special-detail-grid{flex:1;min-height:0;grid-template-columns:clamp(175px,18vw,240px) minmax(0,1fr);gap:22px;align-items:stretch}.special-detail-tabs{height:100%;min-height:0;grid-template-rows:repeat(6,minmax(0,1fr));gap:10px}.special-detail-tabs a{padding:12px 16px;font-size:14px;min-height:0}.special-detail-content{height:100%;min-height:0;padding:20px;overflow:hidden}.special-panel{height:100%}.special-panel:not([hidden]){animation:none}.special-text-photo{height:100%;grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);gap:22px;align-items:stretch}.special-panel .special-copy{align-self:stretch;min-height:0;display:flex;flex-direction:column;justify-content:center;gap:8px;overflow-y:auto;padding-right:4px}.special-panel .special-copy h2{font-size:clamp(16px,2.3dvh,20px);margin:0}.special-panel .special-copy h2:not(:first-child){margin-top:clamp(6px,1.5dvh,16px)}.special-panel .special-copy p,.special-panel .special-copy ul{font-size:clamp(12px,1.7dvh,15px);line-height:1.7}.special-panel .special-copy li{line-height:1.7;margin-bottom:5px}.special-application-image{width:100%;max-width:none;align-self:center;justify-self:stretch;height:72%;max-height:none;min-height:0;padding:12px;display:flex;align-items:center}.special-photo-stage{height:100%;max-height:none;aspect-ratio:auto}.special-photo-stage img{object-fit:contain;width:100%;height:100%}}

/* Keep intrinsic image dimensions from enlarging or clipping the product stage. */
.special-application-image{box-sizing:border-box;min-width:0;overflow:visible}.special-photo-stage{display:block;position:relative;min-width:0;min-height:0;box-sizing:border-box}.special-photo-stage img{position:absolute;inset:0;display:block;width:100%;height:100%;max-width:100%;max-height:100%;min-width:0;min-height:0;object-fit:contain;object-position:center;padding:12px;box-sizing:border-box;transform:none}.special-photo-stage img[src$="ultra-silent-branded.png.webp"]{mix-blend-mode:normal}

.home-gas-detail{padding-top:28px;padding-bottom:40px}.home-gas-gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin-bottom:32px}.home-gas-gallery img{width:100%;height:180px;object-fit:contain;background:#edf4f8;mix-blend-mode:multiply;border-radius:8px}.home-spec-table{width:100%;border-collapse:collapse;margin-top:18px;font-size:13px}.home-spec-table th,.home-spec-table td{padding:10px;border-bottom:1px solid #dce7ee;text-align:left}.home-spec-table th{width:55%;font-weight:500}.home-model-detail summary{font-weight:600;color:#0874b4;cursor:pointer}.home-gas-detail h2{font-size:26px;margin:24px 0 16px}@media(max-width:700px){.home-gas-gallery{grid-template-columns:repeat(2,minmax(0,1fr))}}
.special-overview .special-links a{position:relative;border-radius:10px;transition:transform .25s,box-shadow .25s,background .25s,border-color .25s}.special-overview .special-links a:hover{transform:translateY(-3px);box-shadow:0 10px 24px #0874b41a;background:#eef7fc;border-color:#63b0d2}.special-overview .special-links a:active{transform:translateY(0) scale(.99)}.special-overview .special-links a:focus-visible{outline:3px solid #0874b4;outline-offset:3px}.special-overview .special-links a:after{content:'↗';position:absolute;right:14px;top:12px;color:#0874b4;transition:transform .25s}.special-overview .special-links a:hover:after{transform:translate(2px,-2px)}
@media(min-width:901px){.special-detail-main{padding:12px 0 16px}.special-detail-main>.wrap{width:94%;max-width:none}.special-detail-grid{grid-template-columns:clamp(170px,16vw,230px) minmax(0,1fr);gap:18px}.special-detail-content{padding:20px}.special-text-photo{grid-template-columns:minmax(0,1fr) minmax(0,1.15fr)}.special-application-image{height:86%;padding:6px}.special-photo-stage img{padding:6px}}
@media(prefers-reduced-motion:reduce){.special-overview .special-links a,.special-overview .special-links a:after{transition:none;transform:none}}

/* One compositing surface for every hero frame, including letterboxed areas. */
.scroll-home-body #home,.scroll-home-body #home .hero-content,.scroll-home-body #home .hero-carousel,.scroll-home-body #home .hero-bottom,.scroll-home-body #home .carousel-dots{background:#edf4f8}
.scroll-home-body #home .hero-slides{background:#edf4f8;isolation:isolate}
.scroll-home-body #home .hero-slide{background:transparent;mix-blend-mode:multiply;opacity:1;animation:hero-frame-enter .45s ease}
.scroll-home-body #home .hero-slide img{background:transparent;mix-blend-mode:normal;opacity:1;object-fit:contain}
@keyframes hero-frame-enter{from{transform:translateX(12px)}to{transform:translateX(0)}}
@media(prefers-reduced-motion:reduce){.scroll-home-body #home .hero-slide{animation:none}}

.qualification-title{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}.qualification-title h2{font-size:24px;margin:0}.qualification-title>span{color:#7992a2;font-size:14px}.qualification-screen{padding:24px 0}.qualification-screen .cert-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(min-width:901px){body.qualification-page{height:100dvh;overflow:hidden;display:flex;flex-direction:column}.qualification-page>.site-header{flex:0 0 auto}.qualification-page #main{min-height:0;flex:1;display:flex;flex-direction:column}.qualification-page .compact-page-head{flex:0 0 auto;padding:12px 0}.qualification-screens{flex:1;min-height:0;padding-top:0;padding-bottom:0;overflow-y:auto;scroll-snap-type:y mandatory;overscroll-behavior:contain;scrollbar-width:none}.qualification-screens::-webkit-scrollbar{display:none}.qualification-screen{height:100%;box-sizing:border-box;display:flex;flex-direction:column;scroll-snap-align:start;scroll-snap-stop:always;padding:18px 0 22px}.qualification-title{flex:0 0 auto;margin-bottom:14px}.qualification-screen .cert-grid{flex:1;min-height:0;grid-template-rows:minmax(0,1fr)}.qualification-screen .cert-card{height:100%;min-height:0;display:flex;flex-direction:column;padding:14px;animation:none;transform:none}.qualification-screen .cert-image{flex:1;height:auto;min-height:0;position:relative;display:block;padding:10px}.qualification-screen .cert-image img{position:absolute;inset:10px;width:calc(100% - 20px);height:calc(100% - 20px);object-fit:contain}.qualification-screen .cert-card h3{font-size:15px;margin:12px 0 5px;flex:0 0 auto}.qualification-screen .cert-card>span{flex:0 0 auto;font-size:11px}.qualification-screen .cert-image img.cert-landscape{position:absolute;left:50%;top:50%;inset:auto;transform:translate(-50%,-50%) rotate(90deg);width:230px;height:230px;max-width:80%;max-height:80%}}
@media(max-width:900px){.qualification-screen .cert-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.qualification-screen .cert-grid{grid-template-columns:1fr}}

html.special-restoring .special-detail-grid{visibility:hidden}.special-detail-tabs a,.special-detail-tabs a:hover,.special-detail-tabs a:active{animation:none;transition:none;transform:none;box-shadow:none}.special-panel:not([hidden]),.special-panel .special-application-image,.special-panel img{animation:none;transition:none}

.special-preview{position:relative;min-height:0;display:flex;flex-direction:column;align-items:stretch;justify-content:center;isolation:isolate}.special-preview-link{display:block;position:relative;min-height:0;flex:1;width:100%}.scroll-home-body #special .special-showcase .special-preview-link img{position:absolute;inset:0;width:100%;height:100%;min-height:0;object-fit:contain;padding:10px;box-sizing:border-box;mix-blend-mode:multiply}.special-preview-next{position:relative;display:grid;place-items:center;align-self:center;flex:0 0 34px;width:34px;height:34px;padding:0;margin:10px 0 0;border:0;border-radius:50%;background:transparent;cursor:pointer}.special-preview-next svg{position:absolute;inset:0;width:100%;height:100%;transform:rotate(-90deg)}.special-preview-next circle{fill:none;stroke-width:2}.preview-ring-base{stroke:white}.preview-ring-progress{stroke:#087fb6;stroke-dasharray:100;stroke-dashoffset:0}.special-preview-next>span{width:5px;height:5px;border-radius:50%;background:#087fb6;margin:0}.special-preview-next:focus-visible{outline:2px solid #087fb6;outline-offset:4px}.special-overview .special-links>a.preview-active{background:#eaf5fb;border-color:#60aed1;box-shadow:0 6px 20px #0874b414}.special-overview .special-links>a.preview-active h3{color:#0874b4}@media(max-width:900px){.special-preview-link{flex:0 0 280px;height:280px}.special-preview{min-height:340px}}

/* Product cards use their own white surface, without colored image bands. */
.brand-card .brand-image-stage,.brand-card .brand-product-image,.brand-card .series-image-link{background:transparent}.brand-card .brand-image-stage img{mix-blend-mode:normal}.brand-product-image .brand-image-stage img[src$="cummins-gas-red.png.webp"]{position:static;width:100%;height:100%;object-fit:contain}

.category-gas .brand-name{min-height:74px}.category-gas .brand-name h3{font-size:clamp(16px,1.45vw,22px);line-height:1.45}.brand-product-image .brand-image-stage img[src$="other-gas.png"]{position:static;width:100%;height:100%;object-fit:contain}.service-visual>img[src$="service-selected.png.webp"]{object-position:60% center}

.home-gas-gallery img{mix-blend-mode:normal;padding:10px;box-sizing:border-box;background:#edf4f8}

.category-diesel .brand-card[hidden]{display:none}.diesel-pagination{display:flex;justify-content:center;gap:12px;padding:0 0 14px;flex:0 0 auto}.diesel-pagination button{width:34px;height:34px;border:1px solid #cbdde8;border-radius:50%;background:white;color:#0874b4;cursor:pointer}.diesel-pagination button[aria-current]{background:#0874b4;color:white;border-color:#0874b4}
@media(min-width:901px){.category-diesel .brand-grid{grid-template-rows:minmax(0,1fr)}.category-diesel .brand-card{padding:16px}.category-diesel .brand-card-top{display:flex}.category-diesel .brand-name{margin:8px 0 4px;min-height:74px}.category-diesel .brand-name h3{font-size:clamp(16px,1.45vw,22px)}.category-diesel .brand-name>span{font-size:9px}}
.industry-photo img[src*="scene-data-"]{object-fit:contain;object-position:center}

.industry-photo img[src*="scene-oil-"]{object-fit:contain;object-position:center}

.brand-product-image .brand-image-stage img[src$="sdec-selected.jpg"]{position:static;width:100%;height:100%;object-fit:contain}

#about.about>p{text-align:left;text-indent:2em;width:100%;box-sizing:border-box}
.qualification-screen .cert-image:has(.cert-landscape){container-type:size}.qualification-screen .cert-image img.cert-landscape{inset:auto;left:50%;top:50%;width:calc(100cqh - 24px);height:calc(100cqw - 24px);max-width:none;max-height:none;object-fit:contain;transform:translate(-50%,-50%) rotate(90deg)}

.local-company-content{padding-top:32px;padding-bottom:48px}.company-style-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.company-style-grid figure{margin:0}.company-style-grid img{width:100%;height:300px;object-fit:contain;background:#edf4f8}.company-style-grid figcaption{padding:12px 0;color:#173c54}.local-news{padding:24px 0;border-bottom:1px solid #dbe6ed}.local-news time{color:#7391a4}.local-news h2{font-size:23px}.local-news p{text-align:left;line-height:1.8}@media(max-width:700px){.company-style-grid{grid-template-columns:1fr}}

#about.about{position:relative;isolation:isolate}#about.about:before{content:"";position:absolute;inset:4% 3%;background:url('assets/about-lineart.png.webp') center/contain no-repeat;opacity:.075;z-index:-1;pointer-events:none}#about.about>p{text-align:left!important;text-indent:2em}
.unified-footer{display:flex;flex-direction:column;align-items:flex-start;gap:14px}.unified-footer .footer-line{display:flex;align-items:baseline;gap:24px;white-space:nowrap;font-size:clamp(12px,1.3vw,18px);font-weight:600}.unified-footer .footer-line a,.unified-footer .footer-line span{font:inherit}.unified-footer p{margin:0;font-size:12px;color:#78909e}@media(max-width:500px){.unified-footer .footer-line{gap:10px;font-size:11px}}

.brand-product-image:has(img[src$="weichai-diesel-no-logo.png.webp"]),.brand-image-stage:has(img[src$="weichai-diesel-no-logo.png.webp"]){background:transparent!important}.brand-image-stage img[src$="weichai-diesel-no-logo.png.webp"]{position:static!important;width:100%!important;height:100%!important;object-fit:contain;mix-blend-mode:normal}

.unified-footer{align-items:center;text-align:center}.unified-footer .footer-line{justify-content:center}.unified-footer p{text-align:center}.industry-photo img[src$="scene-special-snow.png.webp"]{object-fit:contain;object-position:center}

.special-detail-tabs a{background:#edf4f8;border-color:#dbe6ed}.special-detail-tabs a[aria-current="page"],.special-detail-tabs a.active{background:#0874b4;border-color:#0874b4;color:#fff}

.original-intro{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}.original-intro img{width:100%;max-height:420px;object-fit:contain}.original-class-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:36px}.original-class-grid article{padding:24px;background:#edf4f8;border:1px solid #dbe6ed;border-radius:10px}.original-class-grid h3{margin:10px 0}.original-catalog-tables details{margin:14px 0;border:1px solid #dbe6ed;border-radius:8px;padding:18px}.original-catalog-tables summary{cursor:pointer;color:#0874b4;font-weight:600}.original-catalog-tables img{width:100%;height:auto;margin-top:16px}@media(max-width:700px){.original-intro{grid-template-columns:1fr}.original-class-grid{grid-template-columns:repeat(2,1fr)}}

/* Service navigation uses the same blue palette as applications. */
.service-detail-layout .service-sidebar{border:0;background:#edf4f8;padding:14px;border-radius:12px;display:flex;flex-direction:column;gap:10px}
.service-detail-layout .service-sidebar>span{background:transparent;color:#173c54;padding:8px 12px 12px;font-weight:700}
.service-detail-layout .service-sidebar>a{background:#f0f5f8;border:1px solid #dbe6ed;border-radius:8px;color:#173c54;padding:14px 16px}
.service-detail-layout .service-sidebar>a:hover{background:#e3eff6;border-color:#0874b4}
.service-detail-layout .service-sidebar>a[aria-current="page"],#submenu-5 a[aria-current="page"]{background:linear-gradient(120deg,#0874b4,#1595c3);color:#fff;border-color:transparent}
.service-sidebar a:focus-visible{outline:3px solid #167eb3;outline-offset:3px}
.service-detail-layout>.local-company-content{padding:0;margin:0;max-width:none}
@media(max-width:720px){.service-detail-layout .service-sidebar{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.service-detail-layout .service-sidebar>span{grid-column:1/-1}.service-detail-layout .service-sidebar>a{padding:12px}}

.original-class-grid>article{position:relative;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);column-gap:14px;align-items:center}
.original-class-grid>article>small,.original-class-grid>article>h3,.original-class-grid>article>span{grid-column:1}
.original-class-grid .original-form-picture{grid-column:2;grid-row:1/4;width:100%;height:150px;display:block;overflow:hidden}
@media(max-width:600px){.original-class-grid .original-form-picture{height:130px}}

.original-emissions{margin-bottom:48px}.original-emission-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.original-emission-card{display:block;text-align:left;background:#fff;border:1px solid #dbe6ed;padding:28px;color:#173c54;cursor:pointer;font:inherit}.emission-card-top{display:flex;justify-content:space-between;color:#0874b4;font-size:16px}.original-emission-card small{display:block;color:#7b8c99;letter-spacing:2px;margin:24px 0 12px}.original-emission-card h2{font-size:28px;margin:0 0 20px}.original-emission-card p{color:#0874b4;border-bottom:1px solid #dbe6ed;padding-bottom:18px}.original-emission-card img{display:block;width:100%;height:300px;object-fit:contain;margin-top:22px}.original-emission-card:hover,.original-emission-card[aria-current=true]{border-color:#0874b4;box-shadow:0 8px 24px #123c5710}.original-emission-card:focus-visible{outline:3px solid #0874b4;outline-offset:4px}#original-models{scroll-margin-top:120px}@media(max-width:700px){.original-emission-grid{grid-template-columns:1fr}.original-emission-card img{height:240px}}

/* Original cards match the diesel category card scale. */
.original-emissions{padding:18px 0 22px;background:#f3f7fa}
.original-emission-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.original-emission-card{padding:16px;min-width:0;height:clamp(390px,calc(100dvh - 240px),650px);display:flex;flex-direction:column;overflow:hidden}
.original-emission-card .emission-card-top{font-size:11px;flex:none}
.original-emission-card small{font-size:9px;letter-spacing:1px;margin:16px 0 4px}
.original-emission-card h2{font-size:clamp(16px,1.45vw,22px);margin:4px 0;min-height:56px;line-height:1.4}
.original-emission-card p{font-size:11px;margin:0;padding-bottom:8px;flex:none}
.original-emission-card img{height:0;min-height:0;flex:1;width:100%;object-fit:contain;margin:8px 0 0}
@media(min-width:601px) and (max-width:900px){.original-emission-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){.original-emission-grid{grid-template-columns:1fr}.original-emission-card{height:440px}.original-emission-card h2{font-size:22px}}

.original-reference{width:min(1240px,88%);margin:48px auto;scroll-margin-top:110px}.original-reference img{width:100%;height:auto}.original-reference h2{margin-bottom:20px}
.room-diagram{display:block;width:100%;height:auto;aspect-ratio:2430/620;margin:20px 0 30px}.parameter-tools{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin:24px 0 12px}.parameter-tools label{display:grid;gap:6px;flex:1;min-width:200px}.parameter-tools input{margin:0;padding:10px;border:1px solid #b8ccda}.parameter-tools button{padding:10px 18px;border:1px solid #0874b4;color:#0874b4;background:#fff;cursor:pointer}.parameter-tools button[aria-pressed=true]{background:#0874b4;color:#fff}#parameter-status{font-size:13px;color:#607687}#editable-parameters td[contenteditable=plaintext-only]{background:#fffce7;outline:1px dashed #c4b16d}#editable-parameters tr[hidden]{display:none}

.room-diagram{aspect-ratio:2300/590;cursor:default}

.parameter-table-fit{width:100%;height:auto;max-height:none;overflow:visible;margin:20px 0}
.parameter-table-fit #editable-parameters{table-layout:fixed;width:100%;min-width:0;white-space:normal;font-size:11px}
.parameter-table-fit #editable-parameters th,.parameter-table-fit #editable-parameters td{padding:7px 3px;font-size:11px;line-height:1.45;white-space:normal;overflow-wrap:anywhere;text-align:center}
.parameter-table-fit #editable-parameters th:first-child,.parameter-table-fit #editable-parameters td:first-child{width:15%;text-align:left}
.parameter-table-fit #editable-parameters thead th{position:static}
@media(max-width:600px){.parameter-table-fit #editable-parameters th,.parameter-table-fit #editable-parameters td{font-size:9px;padding:5px 1px}}

.original-emission-card .reference-card-image{display:block;width:100%;height:0;min-height:0;flex:1;margin:8px 0 0}

.original-reference.silent-parameter-page{width:94%;max-width:1600px}
.silent-parameter-intro{display:grid;grid-template-columns:1.6fr 1fr;align-items:center;gap:40px;margin-bottom:24px}
.silent-product-image{display:block;width:100%;height:250px;overflow:hidden}
@media(max-width:700px){.silent-parameter-intro{grid-template-columns:1fr;gap:16px}.silent-product-image{height:210px}}
.site-header .header-tools{display:flex;align-items:center;justify-content:flex-end;gap:10px;flex:0 0 auto;margin-left:auto}
.site-header .site-search{display:flex;align-items:center;flex-wrap:nowrap;gap:0;width:180px;height:38px;margin:0;border:1px solid #cfdee8;border-radius:7px;overflow:hidden;background:#f7fafc}
.site-header .site-search input{width:0;min-width:0;flex:1;height:100%;margin:0;padding:0 10px;border:0;border-radius:0;background:transparent;font:14px/1.2 inherit;box-shadow:none}
.site-header .site-search button{display:flex;align-items:center;justify-content:center;flex:0 0 36px;width:36px;height:36px;margin:0;padding:0;border:0;background:transparent;color:#0874b4;cursor:pointer}
.site-header .site-search:focus-within{border-color:#0874b4;box-shadow:0 0 0 2px #0874b419}
.site-header .site-language{width:105px;min-width:105px;height:38px;margin:0;padding:0 9px;border:1px solid #cfdee8;border-radius:7px;background:#f7fafc;color:#173c54;font-size:14px;line-height:normal}
#site-search-dialog{width:min(700px,90vw);max-height:80vh;border:1px solid #cfdee8;border-radius:12px;padding:28px;color:#173c54}#site-search-dialog::backdrop{background:#123c5766}#site-search-dialog>button{float:right;border:0;background:none;font-size:28px;cursor:pointer}#site-search-dialog>a{display:block;color:#0874b4;font-weight:700;margin-top:20px}#site-search-dialog p{font-size:14px;line-height:1.7}
@media(min-width:1101px){.site-header{gap:14px;padding-left:2%;padding-right:2%}.site-header .nav-list{gap:clamp(8px,1vw,18px)}.site-header .nav-row>a{font-size:16px}.site-header .site-search{width:150px}}
@media(max-width:1100px){.site-header .header-tools{margin-left:0}.site-header .site-search{width:150px}}
@media(max-width:600px){.site-header .header-tools{gap:6px}.site-header .site-search{width:112px}.site-header .site-language{width:86px;min-width:86px;font-size:12px}.site-header .site-search input{font-size:12px;padding-left:7px}}
.contact-invite{display:inline-flex;align-items:center;justify-content:center;gap:14px;padding:17px 30px;border-radius:10px;background:#0874b4;color:#fff!important;font-size:24px!important;font-weight:700;box-shadow:0 8px 22px #0874b42a;transition:background .2s,transform .2s}.contact-invite:hover{background:#075e93;transform:translateY(-2px)}.contact-invite:focus-visible{outline:3px solid #123c57;outline-offset:4px}.contact-invite svg{width:26px;height:26px}

/* Align the desktop menu beside the right-hand header tools. */
@media(min-width:1101px){.site-header>#nav{margin-left:auto}.site-header>.header-tools{margin-left:12px}}

.site-header .site-language{width:88px;min-width:88px;padding-left:7px;padding-right:5px}@media(max-width:600px){.site-header .site-language{width:80px;min-width:80px}}

/* Consistent image stage for the four original-product entry cards. */
.original-emission-card .original-card-media{flex:1;min-height:0;width:100%;display:flex;align-items:center;justify-content:center;margin-top:16px;padding:8px;box-sizing:border-box;overflow:hidden}
.original-emission-card .original-card-media>img,.original-emission-card .original-card-media>svg.reference-card-image{display:block;flex:none;width:100%;height:100%;max-height:260px;margin:0;object-fit:contain;object-position:center;aspect-ratio:auto}
.original-emission-grid>.original-emission-card h2{height:62px;min-height:62px;flex:none}
.original-emission-grid>.original-emission-card p{min-height:34px;box-sizing:border-box}

.original-reference.spectrum-page{width:96%;max-width:1800px}.spectrum-page #editable-parameters th:first-child,.spectrum-page #editable-parameters td:first-child{width:6%}.spectrum-page #editable-parameters th:nth-child(2){width:12%}.spectrum-page #editable-parameters th:nth-child(7){width:14%}

.spectrum-page .parameter-tools label{flex:0 1 360px;width:360px;max-width:100%;min-width:0}.spectrum-page .parameter-tools input{width:100%;box-sizing:border-box}
/* Service cards share the special-application blue hover state. */
#service .steps article:hover,#service .steps article:focus-within{background:#0874b4;border-color:#0874b4;box-shadow:0 8px 22px #0874b42a}
#service .steps article:hover>span,#service .steps article:hover h3,#service .steps article:hover p,#service .steps article:focus-within>span,#service .steps article:focus-within h3,#service .steps article:focus-within p{color:#fff}

/* Homepage service cards follow the service navigation. */
#service .steps article{position:relative;transition:background-color .2s,border-color .2s,box-shadow .2s}
#service .service-card-link{color:inherit;text-decoration:none}
#service .service-card-link::after{content:"";position:absolute;inset:0;border-radius:inherit}
#service .service-card-link:focus-visible{outline:none}
#service .steps article:focus-within{outline:2px solid #0874b4;outline-offset:4px}

/* Link the homepage About heading to the company introduction. */
#about .about-title-link{color:inherit;text-decoration:none;transition:color .2s}
#about .about-title-link:hover{color:#0874b4}
#about .about-title-link:focus-visible{outline:2px solid #0874b4;outline-offset:6px;border-radius:4px}

/* Certificates and authorizations are static displays. */
.certificate-gallery .cert-card{cursor:default}
.certificate-gallery .cert-card:hover{transform:none;box-shadow:none}

.company-style-grid img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:10px}
.company-style-grid figcaption{font-size:20px;font-weight:600}
.style-image-note{font-size:13px;color:#708391;margin-top:20px}

/* Branding and basic image interaction protection on the five hero slides. */
.hero-carousel .hero-slide{position:relative;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.hero-carousel .hero-slide>img{-webkit-user-drag:none;user-select:none;-webkit-touch-callout:none}

/* Basic interaction protection for all certificate and authorization images. */
.certificate-gallery .cert-image{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
.certificate-gallery .cert-image img{pointer-events:none;user-select:none;-webkit-user-select:none;-webkit-user-drag:none;-webkit-touch-callout:none}

img[data-protected-product]{user-select:none;-webkit-user-select:none;-webkit-user-drag:none;-webkit-touch-callout:none}

/* Brand detail images must show the complete machine, including its base. */
.series-intro .brand-product-image{min-width:0}
.series-intro .brand-product-image .brand-image-stage{position:relative;aspect-ratio:8/5;display:block;padding:0}
.series-intro .brand-product-image .brand-image-stage img{position:absolute;inset:0;left:0;top:0;width:100%;height:100%;max-width:100%;object-fit:contain;object-position:center;transform:none}

/* White-backed product photographs share a white image surface. */
.brand-product-image .brand-image-stage,
.brand-card .brand-image-stage,
.product-photo,
.special-application-image,
.special-photo-stage,
.special-product,
.home-gas-gallery img,
.original-card-media,
.original-class-grid>article{isolation:isolate}
.original-class-grid .original-form-picture{background:transparent;mix-blend-mode:multiply}
.brand-product-image .brand-image-stage img,
.product-photo img,
.special-photo-stage img,
.special-product img,
.home-gas-gallery img{mix-blend-mode:normal}

/* Updated sales and regional contact information. */
.contact-information{min-width:0}
#contact .contact-main-lines p{margin:7px 0;font-size:15px;line-height:1.7}
.contact-main-lines a,.regional-contact a{color:#0874b4;overflow-wrap:anywhere}
.regional-contacts{display:grid;gap:12px;margin-top:20px}
.regional-contact{display:flex;justify-content:space-between;gap:18px;padding:16px 18px;border:1px solid #cddfe9;border-radius:10px;background:#f7fafc}
.contact-region{color:#0874b4;font-size:13px;font-weight:700}
.regional-contact h3{font-size:20px;margin:6px 0 9px}
.regional-contact h3 span{font-size:15px;font-weight:400;margin-left:6px}
#contact .regional-contact p{margin:4px 0;font-size:14px;line-height:1.55}
.contact-qr{margin:0;flex:0 0 104px;align-self:center;text-align:center}
.contact-qr img{display:block;width:104px;height:auto;background:white}
.contact-qr figcaption{font-size:11px;color:#657d8b;margin-top:5px}
@media(max-width:480px){.regional-contact{padding:12px;gap:10px}.contact-qr{flex-basis:86px}.contact-qr img{width:86px}#contact .regional-contact p{font-size:13px}}

/* Frame the enquiry form and align it with the contact information column. */
#contact .contact-grid{align-items:stretch}
#contact #inquiry{box-sizing:border-box;min-width:0;margin:0;padding:24px;border:1px solid #cddfe9;border-radius:10px;background:#f7fafc;align-self:stretch;display:flex;flex-direction:column;gap:0}
#contact #inquiry>label,#contact #inquiry>.form-row{flex-shrink:0}
#contact #inquiry>small{display:block;line-height:1.6;margin-top:12px}
#contact #inquiry #form-status:empty{display:none}
@media(max-width:600px){#contact #inquiry{padding:18px}}

/* Dedicated enquiry page and homepage company QR. */
.inquiry-page{max-width:960px;padding-top:24px;padding-bottom:48px}
.inquiry-page #inquiry{padding:28px;border:1px solid #cddfe9;border-radius:12px;background:#f7fafc}
.inquiry-page #form-status:empty{display:none}
#contact .contact-grid{grid-template-columns:1fr}
#contact .contact-information{width:100%}
#contact .regional-contacts{grid-template-columns:repeat(2,minmax(0,1fr))}
.site-header>.header-company-qr{width:64px;height:64px;object-fit:contain;flex:0 0 64px;align-self:center;margin-left:10px;background:#fff}
@media(max-width:720px){#contact .regional-contacts{grid-template-columns:1fr}.site-header>.header-company-qr{width:48px;height:48px;flex-basis:48px;margin-left:0}.inquiry-page #inquiry{padding:18px}}

/* Shared navigation typography across homepage and detail pages. */
.site-header{font-family:"Microsoft YaHei",Arial,sans-serif;line-height:1.6}
.site-header .nav-row>a{font-size:16px;font-weight:400;letter-spacing:0}
.site-header .dropdown a{font-size:14px;font-weight:400;letter-spacing:0}

/* Prevent page-specific flex layouts and native controls from changing the header. */
.site-header{box-sizing:border-box;flex-shrink:0;width:100%;min-height:92px}
.site-header .site-search input{font-family:inherit;font-size:14px;line-height:1.2}
.site-header .site-language,.site-header .submenu-toggle{font-family:inherit}
@media(max-width:1100px){.site-header{height:74px;min-height:74px}}
@media(max-width:600px){.site-header .site-search input{font-size:12px}}

/* Special application page headings match the compact product headings. */
.special-detail-main>.wrap{margin:0 auto}
.special-detail-main .special-breadcrumb{margin:0 0 10px}
.special-detail-main .special-detail-heading{flex:0 0 auto;margin:0 0 22px}
.special-detail-main .special-detail-heading h1{margin:0;font-size:clamp(26px,2.4vw,36px);line-height:1.3;letter-spacing:0;color:#173c54}

/* Product classification SVG images share image interaction protection. */
.original-form-picture{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;-webkit-user-drag:none}
.original-form-picture image{pointer-events:none;-webkit-user-drag:none}
/* Longer operating descriptions must remain reachable in the fixed-height panel. */
.special-panel[data-special-panel="grid-parallel"] .special-copy,.special-panel[data-special-panel="parallel"] .special-copy{justify-content:flex-start}
.special-panel .special-copy ol{font-size:clamp(12px,1.7dvh,15px);line-height:1.7;margin:0;padding-left:20px;color:#415b6d}
/* Remove the colored backing around special-application product images. */
.special-panel .special-application-image,.special-panel .special-photo-stage{background:#fff;border:0;border-radius:0;box-shadow:none;padding:0}
.special-panel .special-photo-stage img{padding:0;mix-blend-mode:normal}
/* Compact special-application navigation: do not stretch buttons to panel height. */
.special-detail-tabs{height:auto;align-self:start;align-content:start;grid-template-rows:none;grid-auto-rows:auto;gap:8px}
.special-detail-tabs a{min-height:42px;padding:8px 16px;line-height:1.45}

/* Keep the preview countdown and its dot concentric, including desktop span rules. */
.special-preview-next{flex-basis:26px;width:26px;height:26px}
.scroll-home-body #special .special-showcase .special-preview-next>span,
.special-preview-next>span{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:5px;height:5px;margin:0}