:root{--navy:#063449;--blue:#087c9e;--green:#16734c;--mist:#f1f5f6;--line:#dce5e8;--muted:#526672;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;color:var(--navy);background:white;font:16px/1.65 'Segoe UI',Tahoma,sans-serif}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:4px}p{color:var(--muted);margin:0 0 22px}h1,h2,h3{font-family:Bahnschrift,'Segoe UI',sans-serif;line-height:1.15;font-weight:600;margin:0 0 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#c8d6db;padding-top:18px;display:flex;flex-direction:column;font-size:14px}.bench-foot span{color:var(--muted)}.offer-strip{border-block:1px solid var(--line);background:#fbfcfc}.offer-strip .wrap{display:flex;justify-content:space-between;gap:20px;padding-block:20px;font-size:13px;font-weight:600}.offer-strip span:before{content:'+';color:var(--green);margin-right:16px}.solution-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.solution-card{border:1px solid var(--line);padding:30px 28px;display:flex;flex-direction:column;border-radius:5px;transition:border-color .2s,background .2s}.solution-card:hover{border-color:var(--green);background:#f8fbf9}.solution-card svg{width:31px;height:31px;color:var(--green);margin-bottom:30px}.solution-card p{font-size:15px;flex:1}.solution-card:nth-child(4),.solution-card:nth-child(5){background:var(--mist)}.solution-card .text-link{display:flex;justify-content:space-between}.split{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:center}.service-band{background:var(--navy);padding-block:80px;color:white}.service-band p{color:#c4d7df}.service-band .eyebrow{color:#8ee1b4}.service-band em{color:#8ee1b4}.service-band h2{font-size:40px}.diagnostic{border:1px solid #53707d;padding:24px 30px;border-radius:5px;background:#103e52}.diagnostic-head{font:12px Consolas,monospace;display:flex;flex-wrap:wrap;justify-content:space-between;gap:15px;border-bottom:1px solid #53707d;padding-bottom:24px}.diagnostic-head span{color:#8ee1b4}.diagnostic-row{display:flex;gap:22px;padding-top:28px}.diagnostic-row svg{width:30px;min-width:30px;height:30px;color:#8ee1b4}.diagnostic-row h3{font-size:18px;margin-bottom:8px}.diagnostic-row p{font-size:14px;margin-bottom:4px}.consumable-photo{background:var(--mist);border-radius:5px;overflow:hidden}.consumable-photo 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var(--line)}.comparison>div:last-child{border-color:var(--green)}ul{padding-left:22px;color:var(--muted)}li{margin-bottom:10px}.contact-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:75px}.contact-details>a{display:block;margin-bottom:15px;overflow-wrap:anywhere}.contact-details h3{font-size:18px}.contact-details hr{border:0;border-top:1px solid var(--line);margin:30px 0}.contact-details .caption{margin-top:30px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-grid label:last-child{grid-column:1/-1}label{display:block;font-size:14px;font-weight:600;margin-bottom:20px}input,textarea{display:block;width:100%;min-height:48px;border:1px solid #9bb0ba;border-radius:3px;padding:12px;background:white;color:var(--navy);margin-top:8px}textarea{resize:vertical}.form-grid label{margin-bottom:0}.form-grid{margin-bottom:20px}#form-status{margin-top:18px;font-size:14px}footer{background:#edf2f4;padding-top:55px}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}.footer-grid .logo{margin-bottom:22px}.footer-grid h3{font-size:15px;margin-bottom:20px}.footer-grid p,.footer-grid a:not(.logo){font-size:13px}.footer-grid a:not(.logo){display:block;margin-bottom:9px;padding-block:4px}.footer-bottom{border-top:1px solid #ccdbe1;margin-top:35px;padding-block:22px;display:flex;justify-content:space-between;font-size:12px;color:var(--muted)}.floating-contact{position:fixed;bottom:18px;right:18px;z-index:15;display:flex;box-shadow:0 5px 20px #06344920;border:1px solid #becfd5;border-radius:5px;overflow:hidden}.floating-contact a{background:white;min-height:44px;padding:10px 17px;font-size:13px;font-weight:600}.floating-contact a:last-child{background:var(--navy);color:white}.skip-link{position:fixed;left:20px;top:-100px;z-index:100;background:white;padding:14px}.skip-link:focus{top:15px}[hidden]{display:none!important}
@media(min-width:1100px){.solution-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.solution-card{grid-column:span 2}.solution-card:nth-child(4),.solution-card:nth-child(5){grid-column:span 3}}
@media(max-width:1200px){nav{gap:13px}.header-inner{gap:18px;padding-inline:22px}.header-cta{display:none}.hero{gap:35px}.hero h1{font-size:55px}.wrap{padding-inline:36px}}
@media(max-width:950px){.header-inner{flex-wrap:wrap}.menu-toggle{display:flex;align-items:center;gap:18px;background:white;border:1px solid var(--line);border-radius:3px;padding:10px 15px;min-height:44px;color:var(--navy)}nav{display:none;width:100%;flex-direction:column;align-items:stretch;gap:0;padding-top:10px}nav.open{display:flex}nav a{padding:12px}.hero{gap:25px}.hero h1{font-size:45px}.hero-bench{padding:18px}.hero-bench img{height:300px}.bench-label{font-size:10px}.split{gap:35px}.service-band h2{font-size:33px}.solution-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.steps{grid-template-columns:repeat(3,minmax(0,1fr))}.contact-layout{gap:35px}.footer-grid{grid-template-columns:2fr 1fr;gap:25px}.three-col{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.wrap{padding-inline:22px}.header-inner{padding:12px 22px}.logo{width:125px}.hero{grid-template-columns:1fr;padding-top:40px;padding-bottom:40px;gap:35px}.hero h1,h1{font-size:44px;letter-spacing:-1.6px}.hero .eyebrow{font-size:10px;letter-spacing:.7px}.lead{font-size:17px}.hero-bench img{height:270px}.hero-note{margin-top:20px}.offer-strip .wrap{display:grid;grid-template-columns:1fr 1fr;gap:13px;font-size:11px}.offer-strip span:before{margin-right:8px}.section{padding-block:55px}.compact{padding-top:10px}.solution-grid,.split,.comparison,.contact-layout,.product-grid,.three-col{grid-template-columns:1fr}.solution-card{padding:25px}.solution-card svg{margin-bottom:20px}.section-heading{margin-bottom:30px}.service-band{padding-block:55px}.service-band h2{font-size:33px}.diagnostic{padding:24px}.gas-diagram{grid-template-columns:repeat(2,minmax(0,1fr));row-gap:30px}.gas-diagram>div:nth-child(2n):after{display:none}.steps{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.cta{margin:0 22px 50px;padding:30px 0;flex-direction:column;align-items:flex-start}.cta h2{font-size:32px}.page-hero{padding-block:42px 30px}.industry-grid{grid-template-columns:1fr 1fr}.industry-grid>div{padding:17px;font-size:14px}.filter-bar span{width:100%;margin-bottom:5px}.filter-bar button{padding-inline:12px;font-size:12px}.product-image{height:270px}.form-grid{grid-template-columns:1fr}.form-grid label:last-child{grid-column:auto}.contact-layout{gap:30px}.footer-grid{grid-template-columns:1fr 1fr;gap:25px}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid>div:last-child{grid-column:1/-1}.footer-bottom{flex-direction:column;gap:8px;padding-bottom:85px}.floating-contact{bottom:12px;right:12px}.eyebrow{font-size:11px}.comparison>div{padding:25px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Expanded supplier catalogue and installation photography */
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.catalogue-section{scroll-margin-top:105px}.catalogue-toolbar{display:grid;grid-template-columns:2fr 1.2fr 1fr auto;align-items:end;gap:16px;background:var(--mist);border:1px solid var(--line);padding:24px;border-radius:5px}.catalogue-toolbar label{margin:0;font-size:12px}.catalogue-toolbar input,.catalogue-toolbar select{font:14px 'Segoe UI',sans-serif;width:100%;height:48px;background:white;color:var(--navy);border:1px solid #9bb0ba;border-radius:3px;padding:10px;margin:8px 0 0;min-width:0}.catalogue-toolbar>label{min-width:0}.reset-filter{height:48px;padding:10px 16px;border:1px solid #a8bdc4;background:white;color:var(--navy);font-size:13px;border-radius:3px;cursor:pointer}.catalogue-summary{display:flex;justify-content:space-between;gap:20px;margin:24px 0}.catalogue-summary p{margin:0}.catalogue-summary>span{color:var(--muted)}.catalogue-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.catalogue-card{border:1px solid var(--line);border-radius:5px;overflow:hidden;display:flex;flex-direction:column;background:white;min-width:0}.catalogue-photo{height:225px;padding:20px;background:#f8fafb;border-bottom:1px solid var(--line)}.catalogue-photo img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply}.catalogue-copy{padding:24px;display:flex;flex:1;flex-direction:column}.catalogue-copy .eyebrow{margin-bottom:8px}.catalogue-copy .model{margin-bottom:12px;font-size:13px;overflow-wrap:anywhere}.catalogue-copy h3{font-size:21px;line-height:1.25}.catalogue-copy>p:not(.model):not(.eyebrow){font-size:14px}.catalogue-links{margin-top:auto;display:flex;flex-direction:column;align-items:flex-start}.source-link{font-size:12px;color:var(--muted);text-decoration:underline;text-underline-offset:3px;min-height:44px;display:flex;align-items:center}.catalogue-links .text-link{min-height:44px}.catalogue-pagination{display:flex;justify-content:center;align-items:center;gap:22px;margin:35px 0 25px}.catalogue-pagination button{min-height:46px;padding:10px 20px;border:1px solid #a8bdc4;border-radius:3px;color:var(--navy);background:white;cursor:pointer;font-size:14px}.catalogue-pagination button:disabled{opacity:.45;cursor:default}.catalogue-pagination span{font-size:13px}.catalogue-empty{text-align:center;padding:60px 24px;background:var(--mist)}.catalogue-note{max-width:850px;margin-top:30px}.installation-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:30px}.installation-photo{margin:0;min-width:0}.installation-photo>a{position:relative;display:block;overflow:hidden;background:#dae2e6;border-radius:5px}.installation-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .2s}.installation-photo a:hover img{transform:scale(1.025)}.photo-zoom{position:absolute;right:10px;bottom:10px;padding:7px 10px;color:white;background:var(--navy);border-radius:3px;font-size:11px}.installation-photo figcaption{display:flex;gap:12px;padding:16px 0;font-size:13px;line-height:1.5;color:var(--muted)}.photo-number{font:12px Consolas,monospace;color:var(--green);padding-top:3px}.installation-preview{display:grid;grid-template-columns:1.1fr 1fr;gap:70px;align-items:center}.installation-preview-image{display:block;height:410px;border-radius:5px;overflow:hidden}.installation-preview-image img{width:100%;height:100%;object-fit:cover}.gallery-dialog{width:min(1000px,94vw);max-height:94dvh;padding:20px;border:0;border-radius:6px;background:#fff;color:var(--navy);overflow:auto}.gallery-dialog::backdrop{background:#041f2cdb}.gallery-top{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:15px}.gallery-top h2{font-size:18px;letter-spacing:0;margin:0}.gallery-dialog button{min-height:44px;min-width:44px;padding:8px 14px;background:var(--mist);color:var(--navy);border:1px solid #b6c9d1;border-radius:3px;cursor:pointer;font-size:14px}.gallery-dialog>img{max-width:100%;height:65dvh;width:100%;object-fit:contain;background:#edf2f4}.gallery-bottom{display:flex;gap:18px;align-items:center;justify-content:space-between;padding-top:15px}.gallery-bottom p{font-size:14px;margin:0}.gallery-bottom span{font:12px Consolas,monospace;color:var(--green)}.gallery-open{overflow:hidden}
@media(max-width:1050px){.catalogue-toolbar{grid-template-columns:1fr 1fr}.catalogue-toolbar .search-label{grid-column:1/-1}.reset-filter{grid-column:1/-1;justify-self:start}.catalogue-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.installation-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:650px){.catalogue-toolbar{padding:18px;grid-template-columns:1fr;gap:14px}.catalogue-toolbar .search-label,.reset-filter{grid-column:auto}.catalogue-summary{flex-direction:column;gap:7px}.catalogue-grid{grid-template-columns:1fr}.catalogue-photo{height:240px}.catalogue-pagination{gap:10px}.catalogue-pagination button{padding-inline:12px}.installation-grid{grid-template-columns:1fr;gap:16px}.installation-preview{grid-template-columns:1fr;gap:30px}.installation-preview-image{height:360px}.gallery-dialog{padding:14px}.gallery-dialog>img{height:58dvh}.gallery-bottom{gap:10px}.gallery-bottom p{font-size:12px}.gallery-top h2{font-size:15px}}

.language-picker{flex-shrink:0;display:block}.language-picker select{min-height:44px;max-width:125px;padding:8px;border:1px solid var(--line);border-radius:4px;background:white;color:var(--navy);font:inherit;font-size:13px}.header-inner{gap:16px}html[lang="zh-CN"] body{font-family:"Microsoft YaHei","Noto Sans SC",sans-serif}@media(min-width:1051px){.header-cta{display:none}}@media(max-width:1050px){.language-picker{margin-left:auto}.menu-toggle{order:3}.header-inner .logo{margin-right:auto}}@media(max-width:420px){.header-inner{gap:8px}.language-picker select{max-width:104px;font-size:12px}.header-inner .logo{width:110px}.menu-toggle{padding:8px}}