@charset "UTF-8";
:root{--teal:#0B555B;--deep:#073D43;--paper:#F3F2EC;--white:#fff;--silver:#B5BDC2;--ink:#273E43;--muted:#53696D;--wash:#E4ECE7;--line:#CEDAD4;--display:"Bahnschrift","Aptos Display","Segoe UI","Microsoft YaHei",sans-serif;--body:"Aptos","Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;--utility:"Consolas","Courier New",monospace;--max:1360px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:28px}body{margin:0;color:var(--ink);background:var(--paper);font-family:var(--body);font-size:16px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img,svg{max-width:100%}img{display:block}figure{margin:0}h1,h2,h3,p{margin-top:0}h1,h2,h3{font-family:var(--display);font-weight:500}h1,h2{letter-spacing:-.045em}h2{font-size:clamp(32px,3.4vw,52px);line-height:1.12;margin-bottom:25px}h3{font-size:25px;line-height:1.15;letter-spacing:-.025em;margin-bottom:14px}p{line-height:1.75;color:var(--muted)}[hidden]{display:none!important}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--teal);outline-offset:5px;box-shadow:0 0 0 7px var(--paper)}.skip{position:absolute;left:-9999px;top:12px;padding:12px 20px;background:var(--paper);z-index:100}.skip:focus{left:15px}.wrap{width:min(calc(100% - 96px),var(--max));margin-inline:auto}.section{padding:108px 0}.eyebrow{display:block;font-family:var(--utility);font-size:11px;font-weight:700;letter-spacing:.16em;line-height:1.6;text-transform:uppercase;color:var(--teal);margin-bottom:24px}.section-heading{display:grid;grid-template-columns:1.1fr .9fr;gap:90px;align-items:end;margin-bottom:46px}.section-heading h2{max-width:720px;margin-bottom:0}.section-heading p{max-width:520px;margin-bottom:0}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;min-height:52px;background:var(--teal);border:1px solid var(--teal);color:var(--white);padding:14px 22px;font-size:13px;font-weight:600;line-height:1.45;transition:background .18s,transform .18s}.button>span{font-size:21px;line-height:1}.button:hover{background:var(--deep);transform:translateY(-2px)}.button-outline{background:transparent;color:var(--teal);border-color:#7A9C98}.button-outline:hover{background:var(--teal);color:var(--white)}.button-light{background:var(--paper);color:var(--teal);border-color:var(--paper)}.button-light:hover{background:var(--white)}.button-text{padding:6px 0;min-height:34px;background:transparent;color:var(--teal);border:0;border-bottom:1px solid #7A9C98}.button-text:hover{background:transparent}.text-link{display:inline-flex;gap:28px;align-items:center;color:var(--teal);font-size:13px;font-weight:600}.text-link>span{font-size:20px}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.tag-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:30px}.tag{display:inline-flex;gap:18px;align-items:center;font-size:12px;color:var(--teal);border:1px solid #A4BCB5;padding:9px 12px}.tag:hover{background:var(--wash)}
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.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-card{display:flex;flex-direction:column;background:var(--white);border:1px solid #D6DFD9;transition:transform .2s,box-shadow .2s}.product-card:hover{transform:translateY(-5px);box-shadow:0 15px 30px #0B555B0D}.product-visual{background:var(--wash);aspect-ratio:1.48;display:flex;align-items:center;justify-content:center;overflow:hidden}.panel-sketch{display:block;width:100%;height:auto}.product-card-copy{padding:26px 23px 25px;display:flex;flex-direction:column;flex:1}.product-card h3{font-size:25px;color:var(--teal)}.product-card p{font-size:13px;line-height:1.8;margin-bottom:27px}.product-card .text-link{margin-top:auto;font-size:11px;gap:15px}.scope-note{font-size:12px;border-top:1px solid var(--line);padding-top:20px;margin-top:28px}.applications-section{background:var(--wash)}.application-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px}.application-card .photo{aspect-ratio:1.65}.application-copy{padding:28px 0 0}.application-copy h3{font-size:33px;color:var(--teal);margin-bottom:13px}.application-copy p{max-width:520px;font-size:14px;margin-bottom:20px}.residential-strip{display:grid;grid-template-columns:1fr 1.4fr 40px;gap:45px;align-items:center;border-top:1px solid #B7CDC4;margin-top:48px;padding:28px 0 0}.residential-strip>span:first-child{font-family:var(--display);font-size:26px;letter-spacing:-.03em;color:var(--teal)}.residential-strip p{font-size:13px;margin:0}.residential-strip>span:last-child{font-size:30px;color:var(--teal)}
.design-preview{background:var(--teal);color:var(--paper)}.design-preview .eyebrow{color:#BBD4CC}.design-preview .section-heading{align-items:start}.design-preview h2{color:var(--paper)}.design-preview p{color:#D2E1DB}.design-preview .section-heading .button{margin-top:27px}.process-title{display:flex;align-items:center;gap:45px;margin:50px 0 32px;border-top:1px solid #51858A;padding-top:30px}.process-title>span{font-family:var(--display);font-size:80px;font-weight:300;line-height:1;letter-spacing:-.07em;color:var(--paper)}.process-title i{font-style:normal;font-weight:300;font-size:66px;margin-inline:10px}.process-title p{font-size:14px;margin:0}.process-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:34px 50px}.process-grid>li{border-top:1px solid #51858A;padding-top:23px}.step-number{display:block;font-family:var(--utility);font-size:11px;color:#B5D0C5;letter-spacing:.12em;margin-bottom:25px}.process-grid h3{font-size:24px;margin-bottom:13px}.process-grid p{font-size:13px;line-height:1.85;max-width:370px;margin-bottom:0}.deliverable{margin-top:25px;font-size:12px;line-height:1.8;color:var(--paper);border-top:1px solid #51858A;padding-top:15px}.deliverable>span{display:block;font-family:var(--utility);font-size:10px;letter-spacing:.08em;color:#B5D0C5;text-transform:uppercase;margin-bottom:6px}.story-layout{display:grid;grid-template-columns:1fr 1fr;gap:85px;align-items:center}.story-layout>.photo{aspect-ratio:1.3}.story-layout h2{color:var(--teal);font-size:clamp(33px,3.5vw,52px);line-height:1.16}.story-layout p{font-size:15px}.story-layout .button{margin-top:16px}.closing{background:var(--wash);border-top:1px solid var(--line)}.closing-inner{display:flex;justify-content:space-between;gap:60px;align-items:end}.closing h2{color:var(--teal);max-width:760px;margin-bottom:20px}.closing p{max-width:670px;margin-bottom:0;font-size:15px}.closing .button{flex:none;min-width:190px}
.site-footer{background:var(--deep);color:var(--paper);padding:64px 0 24px}.footer-main{display:grid;grid-template-columns:1.45fr .8fr 1fr;gap:70px;padding-bottom:55px}.footer-logo{display:block;width:180px;margin-bottom:28px}.footer-logo img{width:100%;height:auto}.footer-identity>p{font-size:21px;color:var(--paper);margin-bottom:9px}.footer-identity small{font-size:12px;line-height:1.8;color:#C4D8CF;display:block;max-width:300px}.footer-main h2{font-family:var(--utility);font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:#B5D0C5;margin-bottom:23px}.footer-main nav{display:grid;gap:12px;font-size:13px}.footer-main p{font-size:13px;color:#D1E1D8;line-height:1.9}.footer-main nav a:hover,.footer-phone:hover{text-decoration:underline;text-underline-offset:4px}.footer-phone{display:inline-block;font-size:19px;letter-spacing:-.01em;margin:0 0 14px}.footer-bottom{border-top:1px solid #3F7176;padding-top:22px;display:flex;gap:25px;flex-wrap:wrap;align-items:center;color:#BFD3CA;font-size:10px;line-height:1.7}.footer-bottom>span:last-child{margin-left:auto;max-width:420px}
.page-hero{border-bottom:1px solid var(--line);background:var(--wash)}.page-hero>.wrap{padding-top:41px;padding-bottom:75px}.breadcrumb{display:flex;gap:12px;font-size:10px;color:var(--muted);margin-bottom:55px;line-height:1.8}.breadcrumb a{text-decoration:underline;text-underline-offset:4px}.page-hero h1{color:var(--teal);font-size:clamp(50px,5.5vw,80px);line-height:1.04;max-width:1050px;margin-bottom:24px}.page-hero p{max-width:800px;margin-bottom:0;font-size:17px;line-height:1.8}.page-hero.with-image>.wrap{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center;padding-top:38px;padding-bottom:38px}.page-hero.with-image .breadcrumb{margin-bottom:35px}.page-hero.with-image h1{font-size:clamp(45px,4.7vw,68px)}.page-hero-photo{height:430px}.two-columns{display:grid;grid-template-columns:1fr 1fr;gap:100px}.two-columns p{font-size:16px}.soft{background:var(--wash)}.detail-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:center}.product-detail-art{background:var(--wash);position:relative;padding:35px}.product-detail-art .panel-sketch{height:360px}.visual-caption{font-family:var(--utility);font-size:10px;color:var(--muted);position:absolute;bottom:15px;left:25px}.product-detail h2{font-size:clamp(29px,3vw,43px);color:var(--teal);line-height:1.25}.plain-list{list-style:none;padding:0;margin:24px 0 0;border-top:1px solid var(--line)}.plain-list li{padding:12px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--muted)}.detail-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.detail-cards article{border-top:2px solid var(--teal);padding:27px 5px 0}.detail-cards h3,.detail-cards h2{font-size:25px;color:var(--teal);margin-bottom:17px}.detail-cards p{font-size:14px;margin-bottom:0}.check-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}.check-list li{border-bottom:1px solid var(--line);padding:19px 0 19px 26px;position:relative;font-size:15px;line-height:1.75;color:var(--muted)}.check-list li::before{content:"+";position:absolute;left:0;top:16px;font-size:22px;color:var(--teal)}.related{background:#EBEFE9}.related .product-grid{grid-template-columns:repeat(3,1fr)}.application-list{display:grid;gap:70px}.application-feature{display:grid;grid-template-columns:1.1fr 1fr;align-items:center;gap:75px}.application-feature:nth-child(even)>.photo{order:2}.application-feature .photo{aspect-ratio:1.5}.application-feature h2{color:var(--teal)}.application-feature p{font-size:16px}.component-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:35px 55px}.component-grid article{padding:30px 0 0;border-top:1px solid #A6BFB5}.component-label{font-family:var(--utility);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--teal);display:block;margin-bottom:20px}.component-grid h3{color:var(--teal);font-size:28px}.component-grid p{font-size:14px;max-width:550px}.narrow{max-width:880px}.narrow h2{color:var(--teal)}.zero-one{font-family:var(--display);font-weight:300;font-size:clamp(120px,17vw,250px);color:var(--teal);line-height:1;letter-spacing:-.09em;white-space:nowrap}.zero-one>span{font-size:.7em;margin-inline:15px}.design-intro .story-layout{gap:70px}.design-intro h2{font-size:clamp(30px,3vw,45px)}.faq{border-top:1px solid #A6BFB5}.faq details{border-bottom:1px solid #A6BFB5;padding:20px 0}.faq summary{cursor:pointer;font-size:15px;font-weight:600;line-height:1.6;padding-right:28px;position:relative;list-style:none}.faq summary::-webkit-details-marker{display:none}.faq summary::after{content:"+";font-size:22px;font-weight:400;color:var(--teal);position:absolute;right:2px;top:-3px}.faq details[open] summary::after{content:"−"}.faq p{font-size:13px;line-height:1.85;margin:16px 0 0}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.guide-card{display:flex;flex-direction:column;border:1px solid var(--line);background:var(--white);padding:35px 30px}.guide-mark{display:block;color:var(--teal);font-size:50px;line-height:1;margin-bottom:55px}.guide-card h2{font-size:30px;color:var(--teal)}.guide-card p{font-size:14px}.guide-card .text-link{margin-top:auto;padding-top:20px}.guide-body{max-width:1000px}.guide-body article{display:grid;grid-template-columns:80px 1fr;gap:35px;padding:37px 0;border-top:1px solid var(--line)}.guide-body .step-number{color:var(--teal);margin-top:6px}.guide-body h2{font-size:32px;color:var(--teal)}.guide-body p{font-size:16px;margin-bottom:0}.guide-body>.text-link{margin-top:35px}.identity>img{width:230px;height:auto;margin-bottom:40px}.identity dl{margin:0}.identity dl>div{display:grid;grid-template-columns:110px 1fr;gap:15px;padding:16px 0;border-top:1px solid var(--line)}.identity dt{font-size:12px;color:var(--muted)}.identity dd{font-size:14px;margin:0;line-height:1.8}.prose p{font-size:17px;line-height:1.9;margin-bottom:25px}
.rfq-layout{display:grid;grid-template-columns:.68fr 1.32fr;gap:105px}.rfq-aside{align-self:start;position:sticky;top:35px}.rfq-aside h2{font-size:39px;color:var(--teal)}.rfq-aside p{font-size:14px}.contact-phone{display:block;font-family:var(--display);font-size:28px;color:var(--teal);margin:32px 0 17px;letter-spacing:-.03em}.rfq-aside>.text-link{margin-top:20px}.form-notice{font-size:12px;background:var(--wash);border-left:2px solid var(--teal);padding:15px 18px;margin-bottom:28px}fieldset{border:0;padding:0;margin:0 0 30px;min-width:0}legend{font-size:13px;font-weight:600;margin-bottom:12px}.path-options{display:grid;grid-template-columns:1fr 1fr;gap:12px}.path-options legend{grid-column:1/-1}.path-options label{position:relative;cursor:pointer;display:flex}.path-options input{position:absolute;left:15px;top:18px;accent-color:var(--teal)}.path-options label>span{display:block;border:1px solid #90ABA2;padding:18px 15px 18px 41px;width:100%;font-size:13px;font-weight:600}.path-options label:has(input:checked)>span{border-color:var(--teal);background:var(--wash);color:var(--teal)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px 22px}.field{display:block;min-width:0;margin-bottom:22px}.form-grid .field{margin-bottom:0}.field>span{display:block;font-size:12px;font-weight:600;color:var(--ink);margin-bottom:9px}.field input,.field select,.field textarea{width:100%;min-width:0;border:1px solid #AFC2B9;background:#FCFCF8;border-radius:0;padding:13px 12px;color:var(--ink);font-size:14px;line-height:1.5}.field input,.field select{height:47px}.field textarea{resize:vertical}.component-options{margin-top:28px;display:flex;gap:10px;flex-wrap:wrap}.component-options label{display:flex;align-items:center;gap:9px;padding:11px 13px;border:1px solid #AFC2B9;font-size:12px;cursor:pointer}.component-options input{margin:0;accent-color:var(--teal)}.component-options label:has(input:checked){background:var(--wash);border-color:var(--teal);color:var(--teal)}.brief-result{margin-top:45px;padding:30px;background:var(--wash);border:1px solid #AFC2B9;scroll-margin-top:30px}.brief-result h2{font-size:27px;color:var(--teal);line-height:1.25}.brief-result p{font-size:13px}.brief-result textarea{font-family:var(--utility);font-size:12px}.result-actions{display:flex;gap:12px;flex-wrap:wrap}.copy-status{margin:18px 0 0;min-height:1em}
html[lang=zh-CN] h1,html[lang=zh-CN] h2,html[lang=zh-CN] h3{font-family:"PingFang SC","Microsoft YaHei",sans-serif;font-weight:500;letter-spacing:-.04em}html[lang=zh-CN] .hero-copy h1{font-size:clamp(48px,5vw,74px);line-height:1.2}html[lang=zh-CN] .hero-copy h1 span{margin-top:4px}html[lang=zh-CN] .hero-copy>p{line-height:1.95}html[lang=zh-CN] .section-heading h2{line-height:1.3}html[lang=zh-CN] .product-card h3{font-size:25px}html[lang=zh-CN] .process-grid p{line-height:1.95}
@media(min-width:1700px){.hero-copy{padding-right:85px}.hero-layout{min-height:680px}.hero-photo{min-height:680px}.hero-copy h1{font-size:104px}}
@media(max-width:1200px){.wrap{width:min(calc(100% - 64px),var(--max))}.header-inner{gap:25px}.desktop-nav{gap:19px}.header-tools{gap:20px}.header-cta{display:none}.hero-copy{padding-right:35px}.hero-copy h1{font-size:clamp(58px,7vw,84px)}.hero-layout,.hero-photo{min-height:590px}.hero-tags{gap:14px}.section-heading{gap:50px}.product-grid{gap:12px}.product-card-copy{padding:23px 18px}.product-card h3{font-size:23px}.product-card p{font-size:12px}.story-layout{gap:50px}.two-columns{gap:60px}.rfq-layout{gap:65px}.page-hero.with-image>.wrap{gap:40px}.page-hero-photo{height:400px}}
@media(max-width:960px){.desktop-nav{display:none}.header-tools{margin-left:auto}.header-cta{display:inline-flex}.mobile-nav{display:block;position:relative}.mobile-nav summary{display:flex;gap:15px;align-items:center;list-style:none;border:1px solid #9FB6AE;padding:11px 13px;font-size:12px;color:var(--teal);cursor:pointer}.mobile-nav summary::-webkit-details-marker{display:none}.mobile-nav nav{display:grid;position:absolute;right:0;top:50px;background:var(--paper);border:1px solid var(--line);width:min(300px,calc(100vw - 48px));padding:13px;box-shadow:0 12px 30px #073D4314}.mobile-nav nav a{padding:13px 10px;border-bottom:1px solid var(--line);font-size:14px}.mobile-nav nav a:last-child{border-bottom:0}.mobile-nav nav a[aria-current=page]{color:var(--teal);font-weight:700}.header-inner{height:94px}.logo{width:150px}.hero-layout{grid-template-columns:1fr 1fr;min-height:540px}.hero-photo{min-height:540px}.hero-copy h1{font-size:58px}.hero-copy>p{font-size:14px}.hero-tags{display:none}.hero-actions .button{font-size:12px;padding:12px 16px;gap:16px}.section{padding:82px 0}.product-grid{grid-template-columns:repeat(2,1fr);gap:20px}.product-visual{aspect-ratio:1.7}.product-card p{font-size:14px}.product-card h3{font-size:28px}.section-heading{grid-template-columns:1fr 1fr;gap:35px}.section-heading p{font-size:14px}.process-grid{gap:32px}.process-grid h3{font-size:22px}.story-layout{gap:35px}.story-layout h2{font-size:36px}.story-layout p{font-size:14px}.closing-inner{gap:35px}.closing h2{font-size:39px}.footer-main{gap:35px}.page-hero.with-image>.wrap{grid-template-columns:1fr 1fr;gap:30px}.page-hero.with-image h1{font-size:47px}.page-hero.with-image p{font-size:14px}.page-hero-photo{height:380px}.detail-layout{gap:45px}.product-detail-art{padding:15px}.product-detail-art .panel-sketch{height:300px}.detail-cards{gap:25px}.application-feature{gap:40px}.related .product-grid{grid-template-columns:repeat(3,1fr)}.related .product-card h3{font-size:22px}.related .product-card p{font-size:12px}.guide-grid{gap:17px}.guide-card{padding:25px 22px}.guide-card h2{font-size:26px}.rfq-layout{grid-template-columns:.62fr 1.38fr;gap:40px}.rfq-aside h2{font-size:32px}.contact-phone{font-size:23px}.two-columns{gap:45px}.zero-one{font-size:145px}.design-intro .story-layout{gap:40px}}
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@media(max-width:380px){.wrap{width:calc(100% - 32px)}.header-inner{gap:15px}.logo{width:123px}.header-tools{gap:16px}.hero-copy h1{font-size:51px}.hero-actions{display:grid}.hero-actions .button{justify-content:space-between}.product-grid{grid-template-columns:1fr}.product-visual{aspect-ratio:1.85}.product-card h3{font-size:28px}.product-card p{font-size:14px}.product-card .text-link{font-size:12px}.process-grid{grid-template-columns:1fr}.process-grid p{font-size:14px;max-width:none}.form-grid{grid-template-columns:1fr}.footer-main{grid-template-columns:1fr}.footer-identity{grid-column:auto}.path-options{grid-template-columns:1fr}.zero-one{font-size:150px}}
.company-facts{margin:0;min-width:0}.company-facts>div{border-top:1px solid var(--line);padding:18px 0;display:grid;grid-template-columns:minmax(100px,.7fr) minmax(0,1.5fr);gap:20px}.company-facts dt{font-size:12px;color:var(--muted);line-height:1.8}.company-facts dd{margin:0;font-size:14px;line-height:1.9;overflow-wrap:anywhere}.company-facts a{text-decoration:underline;text-underline-offset:3px}.company-facts a:hover{color:var(--teal)}
@media(max-width:700px){.company-facts>div{grid-template-columns:1fr;gap:5px}.company-facts dd{font-size:14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}.button:hover,.product-card:hover{transform:none}}