@import url('/site-assets/navigation.css');
:root{--paper:#f6f8fb;--white:#fff;--ink:#1d2b3a;--muted:#617084;--line:#dce4ec;--accent:#245ddd;--dark:#152123;--lime:#d1ed70;--max:1200px;--gutter:clamp(20px,4vw,48px);--font:Arial,'Microsoft YaHei','PingFang SC',sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:var(--paper);font:16px/1.75 var(--font);-webkit-font-smoothing:antialiased}body:lang(en){font-family:Arial,Helvetica,sans-serif}button,input,textarea,select{font:inherit}button,a,input,textarea,select{touch-action:manipulation}a{color:inherit;text-decoration:none}button{cursor:pointer}img{display:block;width:100%;height:auto}h1,h2,h3,p,figure{margin:0}h1,h2,h3{line-height:1.23;font-weight:600}p{color:var(--muted)}h1{font-size:clamp(40px,5.25vw,80px);letter-spacing:-.055em}h2{font-size:clamp(30px,3.5vw,52px);letter-spacing:-.045em}h3{font-size:23px;letter-spacing:-.025em}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:5px}[hidden]{display:none!important}.wrap{max-width:calc(var(--max) + 2*var(--gutter));padding-inline:var(--gutter);margin-inline:auto}.section{padding-block:clamp(64px,8vw,120px)}.white{background:var(--white)}.dark{background:var(--dark);color:#fff}.dark p{color:#b6c2c4}.eyebrow{display:flex;align-items:center;gap:12px;color:var(--muted);font-size:13px;letter-spacing:.09em;margin-bottom:24px;font-weight:600}.eyebrow:before{content:'';width:7px;height:7px;background:var(--accent);flex-shrink:0}.dark .eyebrow{color:#becbc9}.dark .eyebrow:before{background:var(--lime)}.skip{position:fixed;top:-80px;left:20px;z-index:100;background:#fff;padding:12px}.skip:focus{top:10px}.site-header{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:88px}.wordmark{line-height:1;display:flex;gap:13px;align-items:center;flex-shrink:0}.wordmark .seal{display:grid;place-items:center;width:40px;height:40px;background:var(--accent);color:#fff;font-size:25px;font-weight:650}.wordmark strong{display:block;font-size:24px;font-weight:750;letter-spacing:.06em}.wordmark small{display:block;font-size:10px;letter-spacing:.21em;margin-top:8px}.nav{display:flex;gap:clamp(20px,2.8vw,44px);align-items:center;font-size:15px;font-weight:550}.nav a{position:relative;padding:31px 0;white-space:nowrap}.nav a:after{content:'';position:absolute;bottom:20px;left:0;width:0;height:2px;background:var(--accent);transition:width .2s}.nav a:hover:after,.nav a[aria-current=page]:after{width:100%}.nav .nav-quote{color:var(--accent)}.locale{border-left:1px solid var(--line);padding-left:23px;font-size:13px;font-weight:600;white-space:nowrap}.menu-button{display:none;border:1px solid var(--line);background:#fff;padding:7px 12px;font-size:14px}.btn{display:inline-flex;align-items:center;justify-content:space-between;gap:28px;background:var(--accent);color:#fff;padding:15px 22px;border:1px solid transparent;font-size:15px;font-weight:600;line-height:1.45;min-height:54px;transition:background .2s,transform .2s}.btn:hover{background:#174abc;transform:translateY(-2px)}.btn:after{content:'↗';font-size:22px;line-height:1}.btn.light{background:#fff;color:var(--ink)}.btn.outline{background:transparent;border-color:var(--line);color:var(--ink)}.dark .btn.outline{border-color:#617271;color:#fff}.btn.lime{background:var(--lime);color:var(--dark)}.text-link{display:inline-flex;align-items:center;gap:25px;border-bottom:1px solid currentColor;padding-bottom:7px;font-size:15px;font-weight:600}.text-link:after{content:'↗';font-size:20px}.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}.hero{position:relative;overflow:hidden;background:var(--dark);color:#fff}.hero-grid{display:grid;grid-template-columns:1.03fr 1fr;min-height:650px}.hero-copy{position:relative;z-index:2;padding-block:clamp(60px,7vw,112px);padding-right:36px}.hero h1{max-width:740px}.hero h1 em{font-style:normal;color:var(--lime)}.hero .lead{max-width:500px;margin-top:30px;color:#c0cdcc;font-size:17px;line-height:1.9}.hero .eyebrow{color:#bfcdca}.hero .eyebrow:before{background:var(--lime)}.hero-photo{position:relative;min-width:0;margin-right:calc(-1*var(--gutter));overflow:hidden}.hero-photo img{height:100%;object-fit:cover;min-height:460px}.hero-photo:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,var(--dark) 0%,transparent 22%)}.image-caption{font-size:12px;letter-spacing:.06em;margin-top:10px;color:var(--muted)}.hero-photo figcaption{position:absolute;right:30px;bottom:24px;z-index:2;color:#fff;background:#152123b8;padding:5px 10px;font-size:12px}.hero-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;border-top:1px solid #ffffff26;padding:22px 0;font-size:13px;letter-spacing:.04em;color:#b8c4c2}.hero-bottom a{color:#fff}.module-index{display:grid;grid-template-columns:repeat(4,1fr);background:#fff;border-bottom:1px solid var(--line)}.module-index a{display:grid;grid-template-columns:24px 1fr 18px;gap:14px;padding:27px 24px;border-right:1px solid var(--line);align-items:center}.module-index a:last-child{border-right:0}.module-index span{color:var(--accent);font-size:12px}.module-index b{font-size:16px;font-weight:550}.module-index i{font-style:normal;font-size:22px}.module-index a:hover{background:#edf2fe}.section-head{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:end;margin-bottom:48px}.section-head p{max-width:490px;margin-top:20px}.section-head .head-aside{justify-self:end;max-width:420px}.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,92px);align-items:center}.split-copy p{margin-top:24px}.split-copy .text-link{margin-top:35px}.photo-frame{overflow:hidden;background:#dce2e1}.photo-frame img{height:510px;object-fit:cover}.photo-frame.short img{height:340px}.inline-facts{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);margin-top:40px}.inline-facts div{padding:20px 18px 0 0}.inline-facts strong{display:block;font-size:17px;font-weight:600}.inline-facts small{font-size:13px;color:var(--muted)}.service-list{list-style:none;padding:0;margin:30px 0 0;border-top:1px solid var(--line)}.service-list li{display:grid;grid-template-columns:35px 1fr 24px;gap:16px;align-items:start;padding:24px 0;border-bottom:1px solid var(--line)}.service-list .num{font-size:13px;color:var(--accent)}.service-list h3{font-size:20px}.service-list p{font-size:15px;margin-top:9px}.service-list a:hover h3{color:var(--accent)}.material-section{background:#e8eeed}.material-strip{display:flex;gap:10px;margin-top:28px}.material-strip span{height:12px;flex:1;background:#1d3332}.material-strip span:nth-child(2){background:#3b66bd}.material-strip span:nth-child(3){background:#ebc948}.material-strip span:nth-child(4){background:#e1784d}.material-strip span:nth-child(5){background:#a7bbaa}.material-strip span:nth-child(6){background:#e4dfd0}.product-duo{display:grid;grid-template-columns:1fr 1fr;gap:26px}.product-card{background:#fff}.product-card figure{position:relative;overflow:hidden;background:#e4e7e6}.product-card img{height:360px;object-fit:cover;transition:transform .7s}.product-card:hover img{transform:scale(1.035)}.product-card figcaption{position:absolute;bottom:13px;right:17px;color:#fff;background:#152123c4;padding:3px 8px;font-size:12px}.product-copy{padding:28px 30px 34px}.product-copy .category{font-size:12px;letter-spacing:.1em;color:var(--accent);display:block;margin-bottom:12px}.product-copy p{margin-top:18px;margin-bottom:25px;max-width:520px}.quote-banner{display:grid;grid-template-columns:1.4fr 1fr;gap:45px;align-items:center}.quote-banner h2{max-width:690px}.quote-banner p{margin-top:24px;max-width:570px}.quote-banner .actions{justify-content:flex-end;margin:0}.site-footer{background:#fff;padding-top:60px}.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:45px;padding-bottom:56px}.footer-brand{font-size:26px;font-weight:750;letter-spacing:.03em}.footer-grid p{max-width:360px;font-size:14px;margin-top:15px}.footer-grid h3{font-size:14px;margin-bottom:18px}.footer-links{display:grid;gap:9px;font-size:14px}.footer-links a:hover{color:var(--accent)}.footer-bottom{display:flex;justify-content:space-between;gap:22px;border-top:1px solid var(--line);padding-block:22px;font-size:12px;color:var(--muted)}.page-hero{padding-block:65px 70px}.page-hero .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:70px;align-items:end}.page-hero h1{font-size:clamp(38px,4.5vw,64px)}.page-hero p{max-width:480px}.breadcrumb{font-size:13px;color:var(--muted);margin-bottom:32px;display:flex;gap:12px}.full-photo img{max-height:620px;object-fit:cover}.full-photo{position:relative}.full-photo figcaption{position:absolute;bottom:20px;left:var(--gutter);color:#fff;padding:5px 12px;background:#152123b3;font-size:13px}.process{display:grid;grid-template-columns:repeat(4,1fr);margin-top:46px;border-top:1px solid var(--line)}.process article{padding:30px 26px 0 0}.process .number{font-size:36px;color:var(--accent);font-weight:500;display:block;margin-bottom:35px;letter-spacing:-.05em}.process h3{font-size:21px}.process p{font-size:15px;margin-top:18px}.dark .process{border-color:#ffffff30}.dark .process .number{color:var(--lime)}.spec-table{width:100%;border-collapse:collapse;margin-top:35px}.spec-table th,.spec-table td{padding:22px 15px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.spec-table th{font-weight:550;width:26%}.spec-table td{color:var(--muted)}.three-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}.feature{padding-top:28px;border-top:2px solid var(--ink)}.feature h3{margin-bottom:20px}.feature p{font-size:16px}.feature small{color:var(--accent);font-size:13px;display:block;margin-bottom:18px}.note{padding:20px 24px;background:#e9eeec;color:var(--muted);font-size:14px;margin-top:30px;border-left:2px solid var(--accent)}.accordion{border-top:1px solid var(--line)}.accordion details{border-bottom:1px solid var(--line)}.accordion summary{padding:25px 40px 25px 0;font-size:20px;cursor:pointer;position:relative;list-style:none}.accordion summary::-webkit-details-marker{display:none}.accordion summary:after{content:'+';position:absolute;right:0}.accordion details[open] summary:after{content:'−'}.accordion details p{padding:0 45px 26px 0;max-width:750px}.product-section{scroll-margin-top:110px}.product-section+.product-section{border-top:1px solid var(--line)}.tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:25px}.tags span{border:1px solid var(--line);padding:5px 12px;font-size:13px}.rfq-layout{display:grid;grid-template-columns:1fr 1.6fr;gap:clamp(30px,6vw,85px)}.rfq-intro h1{font-size:clamp(38px,4vw,56px)}.rfq-intro p{margin-top:25px}.rfq-intro .text-link{margin-top:25px}.rfq-steps{padding:28px 0 0;list-style:none;border-top:1px solid var(--line);margin-top:45px}.rfq-steps li{display:flex;gap:20px;margin-bottom:22px;font-size:15px}.rfq-steps span{color:var(--accent)}.rfq-panel{background:#fff;padding:clamp(24px,3.2vw,50px)}.rfq-form fieldset{border:0;padding:0;margin:0 0 30px}.rfq-form legend{font-size:19px;font-weight:600;margin-bottom:24px}.field-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}.field-grid .full{grid-column:1/-1}.rfq-form label{display:block;font-size:14px;font-weight:550}.rfq-form label small{color:var(--muted);font-weight:400}.rfq-form input:not([type=radio]):not([type=checkbox]),.rfq-form select,.rfq-form textarea{display:block;width:100%;border:1px solid #b9c4c6;border-radius:0;background:#fff;color:var(--ink);padding:12px;margin-top:8px;min-width:0;font-size:16px}.rfq-form textarea{resize:vertical;min-height:140px}.choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}.choice-grid label{position:relative;border:1px solid var(--line);padding:14px 12px;display:flex;align-items:center;gap:8px;font-size:14px;cursor:pointer}.choice-grid label:has(:checked){border-color:var(--accent);background:#edf2fe;color:var(--accent)}.choice-grid input{accent-color:var(--accent)}.check-label{display:flex!important;align-items:flex-start;gap:10px;color:var(--muted);font-weight:400!important;margin-block:24px}.check-label input{margin-top:5px;accent-color:var(--accent)}.form-status{font-size:15px;margin-top:18px;white-space:pre-line}.form-status.error{color:#a52722}.success-panel{padding:26px;background:#eef4e7;border-left:3px solid #507c25;margin-top:22px}.success-panel h2{font-size:26px}.success-panel strong{font-size:21px;display:block;margin-block:14px;overflow-wrap:anywhere}.upload-list{font-size:14px;color:var(--muted);margin-top:12px}.upload-row{display:flex;justify-content:space-between;gap:16px;padding:8px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.upload-row button{background:none;border:0;color:var(--accent)}.form-hint{font-size:13px;margin-top:8px}.rfq-form button:disabled{opacity:.6;cursor:wait}.loading-note{padding:30px;border:1px solid var(--line);font-size:15px}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}.catalog-item{border:1px solid var(--line);padding:26px;background:#fff}.catalog-item h3{font-size:21px}.catalog-item p{font-size:14px;margin-top:12px}.catalog-item a{margin-top:22px}.catalog-item dl{font-size:14px;margin-top:20px}.catalog-item dt{color:var(--muted)}.catalog-item dd{margin:0 0 10px}.to-top{border:1px solid var(--line);padding:7px 12px;font-size:13px}.en-site .wordmark strong{font-size:21px;letter-spacing:-.025em}.en-site .wordmark small{font-size:9px;letter-spacing:.16em}.en-site .hero h1{font-size:clamp(44px,5.1vw,76px);line-height:1.05}.en-site .hero .lead{line-height:1.7}.en-site .page-hero h1{line-height:1.08}.en-site .nav{font-size:14px;gap:28px}
@media(min-width:1650px){.hero-photo{margin-right:0}}@media(max-width:1100px){.nav{gap:18px}.locale{padding-left:16px}.header-inner{gap:20px}.hero-grid{min-height:570px}.hero-copy{padding-right:15px}.module-index a{padding:23px 14px;gap:9px}.module-index b{font-size:14px}.en-site .nav{gap:16px;font-size:13px}.en-site .wordmark strong{font-size:18px}.rfq-layout{grid-template-columns:.85fr 1.3fr}}@media(max-width:1000px){.header-inner{min-height:74px}.menu-button{display:block;margin-left:auto}.locale{border:0;padding:0}.nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;padding:20px var(--gutter);border-bottom:1px solid var(--line)}.site-header.menu-open .nav{display:grid;gap:0}.nav a{padding:15px 0}.nav a:after{bottom:8px}.hero-grid{grid-template-columns:1fr}.hero-copy{padding:55px 0 42px}.hero h1{max-width:700px}.hero-photo{margin-inline:calc(-1*var(--gutter));max-height:440px}.hero-photo img{min-height:320px;max-height:440px}.hero-photo:after{background:linear-gradient(180deg,var(--dark),transparent 18%)}.hero .lead{max-width:540px}.hero-bottom{font-size:12px}.module-index{grid-template-columns:1fr 1fr}.module-index a:nth-child(2){border-right:0}.module-index a:nth-child(-n+2){border-bottom:1px solid var(--line)}.split,.section-head,.page-hero .wrap,.quote-banner,.rfq-layout{grid-template-columns:1fr;gap:32px}.section-head .head-aside{justify-self:start}.split.reverse-mobile .split-copy{order:-1}.photo-frame img{height:410px}.quote-banner .actions{justify-content:flex-start}.process{grid-template-columns:1fr 1fr;row-gap:25px}.process .number{margin-bottom:16px}.three-cols{grid-template-columns:1fr;gap:32px}.footer-grid{grid-template-columns:1.3fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.rfq-intro .rfq-steps{display:flex;flex-wrap:wrap;gap:20px;margin-top:25px;padding-top:20px}.rfq-steps li{margin:0}.product-card img{height:280px}.catalog-grid{grid-template-columns:1fr 1fr}.page-hero{padding-block:42px 50px}}
@media(max-width:550px){body{line-height:1.7}.wordmark strong{font-size:21px}.wordmark small{font-size:9px}.wordmark .seal{width:34px;height:34px;font-size:22px}.locale{font-size:12px}.header-inner{gap:12px}.en-site .wordmark .seal{display:none}.hero-bottom>span:last-child{display:none}.hero-copy{padding-top:44px}.hero h1{font-size:41px;letter-spacing:-.04em}.hero .lead{font-size:16px;margin-top:23px}.hero-photo img{min-height:280px}.hero-photo{max-height:330px}.module-index a{padding:22px 15px;grid-template-columns:18px 1fr 13px}.module-index b{font-size:14px}.section-head{margin-bottom:30px}.product-duo,.field-grid,.choice-grid,.catalog-grid{grid-template-columns:1fr}.product-card img{height:310px}.product-copy{padding:25px}.choice-grid label{padding:13px}.choice-grid{gap:8px}.inline-facts strong{font-size:15px}.inline-facts small{font-size:12px}.photo-frame img{height:340px}.footer-grid{gap:26px}.footer-bottom{display:block}.footer-bottom>span{display:block;margin-top:8px}.process{gap:25px 16px}.process article{padding-right:0}.process h3{font-size:19px}.spec-table th,.spec-table td{padding:18px 8px;font-size:15px}.spec-table th{width:32%}.page-hero .wrap{gap:25px}.en-site .hero h1{font-size:46px}.rfq-intro .rfq-steps{display:none}.rfq-panel{margin-inline:calc(-1*var(--gutter));padding:30px var(--gutter)}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
/* Shared detail and long-form edge states. */
[data-content-key]{white-space:pre-line}.tags{list-style:none;padding-left:0}.tags li{border:1px solid var(--line);padding:5px 12px;font-size:14px}.spec-table caption{text-align:left;font-size:15px;color:var(--muted)}.upload-row>span{min-width:0}.upload-row button{flex-shrink:0}.rfq-form>details.accordion{border-bottom:1px solid var(--line)}.rfq-form>details.accordion>p{padding-bottom:20px;font-size:14px}.rfq-form>details.accordion[open]>summary:after{content:'−'}.rfq-intro,.rfq-panel,.split-copy,.page-hero .wrap>*{min-width:0}.rfq-form input[type=file]{max-width:100%}h1,h2,h3,.footer-brand{overflow-wrap:break-word}