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@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.engineering-scroll{height:auto}.engineering-stage{position:relative;height:auto;min-height:650px}}
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html,body{overflow-x:clip}
@media(min-width:761px) and (max-width:1000px){.header{gap:24px}.header nav{gap:18px}.header-cta{font-size:14px;gap:10px;white-space:nowrap}.brand{width:140px}.section-heading{display:block}.section-heading>div,.section-heading>p{margin-top:28px}.enquiry{grid-template-columns:1fr}.enquiry-intro>p{max-width:540px}.engineering-stage{min-height:750px}.engineering-content h3{font-size:32px}.engineering-intro{gap:32px}.engineering-intro p{font-size:17px}.secondary-ranges{grid-template-columns:1fr 1.1fr}.workshop-text h3{font-size:30px}}
@media(max-width:760px){h2{font-size:clamp(32px,9.2vw,40px)}}
/* Independent page layouts */
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@media(max-width:1000px){.page-intro{gap:40px;grid-template-columns:1.2fr 1fr}.page-intro>p{font-size:18px}.page-intro h1{font-size:60px}.range-layout{gap:30px}.range-layout h3{font-size:26px}.overview-links{gap:20px}.overview-links h3{font-size:28px}}
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/* In-place automatic presentation replaces the scroll-held scene. */
.engineering-scroll{height:auto}.engineering-stage{position:relative;top:auto;height:auto;min-height:740px;max-height:none;padding-top:36px;padding-bottom:84px}.engineering-photo{height:590px}.engineering-content{min-width:0}#story-live{min-height:205px}.story-controls{margin-top:28px}.story-playback{display:flex;align-items:center;gap:12px;margin-top:24px}.story-playback button{min-width:44px;min-height:44px;background:#292e35;color:var(--paper);border:0;display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:10px;transition:background 180ms,transform 140ms}.story-playback button:hover{background:#414953}#story-play{min-width:114px;font-size:14px}#story-count{margin-left:auto;font-size:14px;font-variant-numeric:tabular-nums;color:#c4c8cb}.story-progress{height:2px;background:#454b52;overflow:hidden;margin-top:18px}.story-progress-fill{display:block;width:100%;height:100%;background:var(--coral);transform:scaleX(0);transform-origin:left}.engineering-content .power-diagram{margin-top:20px}
@media(max-width:1000px){#story-live{min-height:235px}.engineering-photo{height:570px}}
@media(max-width:760px){.engineering-stage{min-height:0;padding-top:0;padding-bottom:64px}.engineering-photo{height:340px}#story-live{min-height:185px}.story-playback{margin-top:20px}.engineering-content .power-diagram{margin-top:12px}}
@media(prefers-reduced-motion:reduce){.engineering-stage{min-height:0}.story-progress-fill{display:none}}
#story-live>p{margin-top:26px;max-width:460px;color:#c4c8cb}@media(max-width:760px){#story-live>p{margin-top:20px}}
@media(min-width:761px){.engineering-stage{min-height:0;padding-top:24px;padding-bottom:40px}.engineering-photo{height:clamp(340px,65svh,590px)}#story-live{min-height:160px}}@media(min-width:761px) and (max-width:1000px){#story-live{min-height:190px}}
/* One shared indigo treatment for the complete filter row. */
#filter-form label,#filter-form select,#filter-form input,#filter-form input::placeholder,#filter-form .reset{color:var(--blue);font-weight:500}
#filter-form select,#filter-form input{border-bottom:2px solid var(--blue)}
#filter-form input::placeholder{opacity:1}
#filter-form option{font-weight:500;color:var(--blue)}
#filter-form .reset:hover{color:#27296d}

/* Expanded engine-brand explorer. */
#series-view{grid-template-columns:repeat(3,minmax(0,1fr));margin-bottom:24px}.more-brands-action{display:flex;justify-content:center;margin:0 0 40px}.more-brands-action .button{min-width:190px;justify-content:space-between}.more-brands-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-bottom:42px}.more-brands-grid .series-item{min-width:0}.more-brands-grid h3{overflow-wrap:anywhere;font-size:24px}
@media(max-width:760px){#series-view{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));overflow:visible;gap:14px;contain:none}#series-view .series-item{min-width:0;padding:16px 12px}#series-view .series-item img{height:120px;margin-bottom:18px}#series-view .series-item h3{font-size:22px}#series-view .series-item p{font-size:13px}.more-brands-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.more-brands-grid .series-item{padding:16px 12px}.more-brands-grid .series-item img{height:120px;margin-bottom:18px}.more-brands-grid h3{font-size:21px}.more-brands-grid p{font-size:13px}}

/* Supplier brand marks sit inside the matching product image area. */
.series-media{display:block;position:relative;width:100%;height:244px;margin-bottom:26px}.series-item .series-media .series-product{height:100%;width:100%;margin:0;padding-top:58px;object-fit:contain}.series-item .series-media .brand-logo{position:absolute;left:0;top:0;width:128px;height:48px;object-fit:contain;padding:5px 8px;background:white;margin:0;mix-blend-mode:normal}.brand-wordmark{position:absolute;left:0;top:0;font-size:18px;font-weight:500;color:var(--ink)}
@media(max-width:760px){.series-media{height:180px;margin-bottom:18px}#series-view .series-item .series-media .series-product,.more-brands-grid .series-item .series-media .series-product{height:100%;margin:0;padding-top:46px}#series-view .series-item .series-media .brand-logo,.more-brands-grid .series-item .series-media .brand-logo{height:36px;width:100px;margin:0;padding:4px 6px}.brand-wordmark{font-size:15px}}

/* Independent brand selection and direct WhatsApp contact actions. */
.brand-select{display:block;width:100%;padding:0;text-align:left;border:0;background:transparent;color:inherit;cursor:pointer}.brand-whatsapp{display:flex;align-items:center;gap:10px;margin-top:22px;padding:13px 14px;background:var(--blue);color:white;font-size:14px;line-height:1.3;min-height:48px;transition:background 180ms,transform 140ms}.brand-whatsapp:hover{background:#27296d;color:white}.brand-whatsapp:active{transform:scale(.98)}.brand-whatsapp>svg{width:21px;height:21px}.brand-whatsapp .wa-arrow{margin-left:auto;width:18px;height:18px}.series-item>.brand-select{flex:1}.more-brands-grid .series-item h3{overflow-wrap:anywhere}@media(max-width:760px){.brand-whatsapp{font-size:13px;padding:12px 9px;gap:7px;flex-wrap:wrap}.brand-whatsapp .wa-arrow{display:none}.brand-whatsapp>svg{width:18px;height:18px}}
/* Compact bilingual switch, shared by every page. */
.language-switch{display:inline-flex;align-items:center;justify-content:center;gap:7px;background:transparent;border:1px solid #b9bdc0;border-radius:0;color:var(--blue);min-width:76px;min-height:40px;padding:7px 10px;font-size:14px;font-weight:500;white-space:nowrap;flex-shrink:0;transition:background 180ms,transform 140ms}.language-switch:hover{background:#e8e9e4}.language-switch svg{width:18px;height:18px}.language-switch:disabled{opacity:.5;cursor:wait}html[lang=zh-CN] body{font-family:Clash,'Microsoft YaHei','PingFang SC','Noto Sans CJK SC',sans-serif}html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3{letter-spacing:0;line-height:1.2}html[lang=zh-CN] p{line-height:1.7}html[lang=zh-CN] .header nav{white-space:nowrap}html[lang=zh-CN] .brand-whatsapp{font-size:15px}@media(max-width:1050px){.header{gap:22px}.header nav{gap:20px}}@media(max-width:760px){.header{gap:14px}.language-switch{margin-left:auto;min-width:66px;min-height:38px;font-size:13px}.language-switch svg{width:16px;height:16px}html[lang=zh-CN] .page-intro h1{font-size:clamp(36px,10vw,48px)}html[lang=zh-CN] .hero h1 span{white-space:normal}}

/* Preserve the complete engineering photographs rather than cropping a landscape into a portrait. */
.engineering-photo{height:auto;aspect-ratio:16/10;align-self:center;background:#20252c}.engineering-photo img{height:100%;width:100%;object-fit:contain;object-position:center}.engineering-photo span{max-width:calc(100% - 32px);left:16px;bottom:12px}.component-pair img{aspect-ratio:auto;height:auto;object-fit:contain}body:has(#engineering) .page-cover{height:auto;max-height:none}body:has(#engineering) .page-cover img{height:auto;aspect-ratio:auto;object-fit:contain}@media(max-width:760px){.engineering-photo{height:auto;aspect-ratio:16/10}}
.factory-slide-media{aspect-ratio:16/9;background:#181b20;overflow:hidden}.factory-slide-media img{display:block;width:100%;height:100%;object-fit:contain}.factory-slide-toolbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px 3.3%;background:#fff}.factory-slide-toolbar p{margin:0;font-size:16px}.factory-slide-controls{display:flex;align-items:center;gap:12px}.factory-slide-controls button,.lab-controls button{background:transparent;border:1px solid #b9bbc4;color:#37388c;min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer}.factory-slide-controls svg,.lab-controls svg{width:20px;height:20px;fill:none;stroke:currentColor;stroke-width:1.5}.factory-slide-controls #factory-auto{padding:0 14px}.factory-slide-controls #factory-slide-count{min-width:45px;white-space:nowrap;font-variant-numeric:tabular-nums}.learning-lab{background:#eeeee8}.lab-topics{display:flex;gap:28px;border-bottom:1px solid #c4c5cb;margin:40px 0}.lab-topics button{border:0;border-bottom:3px solid transparent;padding:14px 0;background:none;font:inherit;cursor:pointer;color:#555e68}.lab-topics button[aria-pressed=true]{border-color:#37388c;color:#37388c}.lab-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:5%;align-items:center}.lab-diagram svg{display:block;width:100%;height:auto}.lab-diagram text{font:16px sans-serif;fill:#373d48}.lab-outline,.lab-pipe{fill:none;stroke:#505b68;stroke-width:3}.lab-pipe{stroke-width:7}.lab-valve{stroke:#505b68;stroke-width:6;fill:none}.lab-flow{fill:none;stroke:#37388c;stroke-width:5;stroke-dasharray:9 7;animation:labflow 1s linear infinite}.lab-flow.hot{stroke:#d35b44}.lab-coil{fill:none;stroke:#b57c32;stroke-width:5}.lab-axis{stroke:#9ea4ad;fill:none}.lab-wave{stroke:#37388c;stroke-width:3;fill:none}.lab-box{fill:#f5f4ef;stroke:#505b68;stroke-width:2}.lab-circuit{stroke:#a2a7ae;stroke-width:4;fill:none}.lab-explanation h3{font-size:clamp(24px,2.5vw,36px);line-height:1.15;margin:0 0 20px}.lab-explanation>p{line-height:1.6}.lab-steps{display:flex;gap:8px;flex-wrap:wrap;margin:28px 0}.lab-steps button{border:1px solid #b9bbc4;background:none;padding:9px 12px;font:inherit;font-size:13px;cursor:pointer}.lab-steps button[aria-pressed=true]{background:#37388c;color:white;border-color:#37388c}.lab-controls{display:flex;align-items:center;gap:10px}.lab-controls #lab-play{padding:0 20px}.lab-controls label{margin-left:12px;font-size:13px}.lab-controls select{display:inline-block;width:auto;margin-left:8px;padding:8px;border:1px solid #b9bbc4;background:none}.lab-explanation .lab-note{font-size:12px;color:#646b75;margin-top:24px}.lab-sources{display:flex;flex-wrap:wrap;gap:18px;font-size:12px;margin-top:32px;color:#646b75}.lab-sources a{text-decoration:underline}@keyframes labflow{to{stroke-dashoffset:-32}}@media(max-width:700px){.factory-slide-toolbar{align-items:flex-start;flex-direction:column;gap:12px}.factory-slide-toolbar p{font-size:14px}.lab-layout{grid-template-columns:1fr}.lab-topics{gap:16px;margin:24px 0;overflow:auto}.lab-topics button{font-size:13px;flex-shrink:0}.lab-diagram{margin-bottom:28px}.lab-controls{gap:6px}.lab-controls label{margin-left:4px}}

.factory-slide-media{position:relative}.factory-side{position:absolute;top:50%;transform:translateY(-50%);z-index:2;display:flex;align-items:center;justify-content:center;width:52px;height:64px;padding:0;background:rgba(245,244,239,.94);color:#37388c;border:1px solid rgba(255,255,255,.65);cursor:pointer;box-shadow:0 2px 14px #0002}.factory-side-prev{left:24px}.factory-side-next{right:24px}.factory-side svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:1.8}.factory-side:hover{background:#37388c;color:#fff}.factory-side:focus-visible{outline:3px solid #f66b5b;outline-offset:3px}@media(max-width:700px){.factory-side{width:42px;height:52px}.factory-side-prev{left:12px}.factory-side-next{right:12px}}

.factory-side svg,.factory-side path{pointer-events:none}
.factory-subnav{display:flex;gap:28px;padding:22px 5%;border-top:1px solid #dcddd8;border-bottom:1px solid #dcddd8}.factory-subnav a[aria-current]{color:var(--blue);text-decoration:underline;text-underline-offset:8px}.factory-gallery .section-heading h1{font-size:clamp(36px,4.6vw,64px);line-height:1.1;margin:0}.factory-gallery .factory-photo-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px 24px}.factory-gallery .factory-photo-grid figure:nth-child(n){grid-column:auto;margin:0}.factory-gallery .factory-photo-grid figure[hidden]{display:none}.factory-gallery .factory-photo-grid figure img{width:100%;height:auto;aspect-ratio:4/3;object-fit:contain;background:#dce0d8;display:block}.factory-gallery .factory-photo-grid figcaption{font-size:13px;margin-top:10px}.gallery-pagination{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:36px}.gallery-pagination button{padding:12px 20px;border:1px solid #37388c;background:transparent;color:#37388c;cursor:pointer}.gallery-pagination button:disabled{opacity:.35;cursor:default}.gallery-footer{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;padding:30px 5%;font-size:14px}.gallery-entry p{margin:20px 0}.gallery-filters{scroll-margin-top:110px}@media(max-width:900px){.factory-gallery .factory-photo-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:550px){.factory-gallery .factory-photo-grid{grid-template-columns:1fr}.factory-subnav{gap:20px;font-size:13px}.gallery-pagination{gap:16px}.gallery-pagination button{padding:10px 14px}}

body:has(.gallery-pagination) .factory-gallery{padding-top:40px;padding-bottom:40px}body:has(.gallery-pagination) .section-heading{margin-bottom:28px}body:has(.gallery-pagination) .factory-gallery h1{font-size:clamp(34px,4vw,52px)}

.social-links{display:flex;align-items:center;gap:12px;margin-bottom:32px}.social-icon{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;border:0;color:white;padding:0;transition:transform .18s}.social-icon svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.6;pointer-events:none}.social-facebook{background:#3b5998}.social-instagram{background:#ed388d}.social-linkedin{background:#007da5}.social-whatsapp{background:#18b76a}.social-icon:hover{transform:translateY(-2px)}.social-icon:focus-visible{outline:3px solid #f66b5b;outline-offset:4px}.social-icon:disabled{cursor:default;opacity:.65}.gallery-footer .social-links{flex-basis:100%;margin:0}

body:has(.factory-carousel) .page-nav{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;padding:24px 5%;background:#f5f4ef}body:has(.factory-carousel) .page-nav a{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:19px 22px;background:#fff;border:2px solid #37388c;color:#37388c;font-size:18px;font-weight:700;text-decoration:none;transition:background .18s,color .18s}body:has(.factory-carousel) .page-nav a::after{content:'↗';font-size:25px;line-height:1}body:has(.factory-carousel) .page-nav a:hover,body:has(.factory-carousel) .page-nav a:focus-visible{background:#37388c;color:#fff}body:has(.factory-carousel) .page-nav a:focus-visible{outline:3px solid #f66b5b;outline-offset:3px}@media(max-width:600px){body:has(.factory-carousel) .page-nav{gap:8px;padding:18px 4%}body:has(.factory-carousel) .page-nav a{padding:14px 10px;font-size:14px;gap:5px}body:has(.factory-carousel) .page-nav a::after{font-size:18px}}

.factory-subnav a{font-weight:700}