@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;450;500;550;600;650;700&family=Space+Grotesk:wght@400;500;600;700&display=swap');
:root{--ink:#172022;--muted:#697174;--line:#dce0df;--orange:#f16835;--paper:#f5f6f3}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font-family:'DM Sans',Arial,'Microsoft YaHei',sans-serif;font-size:16px}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button,a,input,textarea{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:focus-visible,a:focus-visible{outline:3px solid var(--orange);outline-offset:5px}button{border:0;background:none;color:inherit}img{max-width:100%;display:block}h1,h2,h3,p{margin:0}h1,h2,h3,.brand{font-family:'Space Grotesk','DM Sans',Arial,'Microsoft YaHei',sans-serif}h2{font-size:clamp(34px,4vw,54px);font-weight:500;letter-spacing:-2px;line-height:1.12}p{line-height:1.7}em{font-style:normal;color:var(--orange)}.topline{background:var(--ink);color:#fff;min-height:34px;display:flex;justify-content:space-between;align-items:center;padding:8px 4.5%;font-size:11px;letter-spacing:1.2px}.topline a{letter-spacing:.1px}header{height:96px;display:flex;align-items:center;justify-content:space-between;padding:0 4.5%;border-bottom:1px solid var(--line);background:rgba(255,255,255,.97);position:sticky;top:0;z-index:10;gap:24px}.brand{display:flex;align-items:center;gap:13px;font-weight:700;font-size:25px;letter-spacing:1px}.brand small{display:block;font-size:10px;letter-spacing:5px;font-weight:500;margin-top:1px}.mark{font-size:43px;font-style:italic;line-height:1}.mark span{color:var(--orange);margin-left:-8px}nav{display:flex;gap:32px;font-size:14px}nav a:hover,.text-link:hover{color:var(--orange)}.nav-actions{display:flex;align-items:center;gap:25px;font-size:14px}#lang{white-space:nowrap;padding:12px 0}#lang span{color:#929697}.quote-button{background:var(--ink);color:#fff;padding:15px 19px;display:flex;gap:12px;align-items:center}#count{border:1px solid #657073;border-radius:50%;min-width:20px;height:20px;font-size:12px;display:grid;place-items:center}.hero{min-height:640px;display:grid;grid-template-columns:1fr 1.1fr;padding:58px 4.5% 38px;gap:15px;overflow:hidden;background:linear-gradient(115deg,#fff 25%,#f1f3f0)}.eyebrow{font-size:12px;font-weight:600;letter-spacing:1.7px;display:flex;align-items:center;gap:12px;line-height:1.7}.accent-line{display:inline-block;background:var(--orange);height:2px;width:27px}.hero h1{font-weight:500;font-size:clamp(60px,6.8vw,104px);letter-spacing:-5.5px;line-height:.99;margin:30px 0 25px}.hero p{max-width:400px;color:var(--muted);font-size:16px}.hero-buttons{display:flex;align-items:center;gap:28px;margin-top:30px}.button{min-height:49px;display:inline-flex;align-items:center;justify-content:center;gap:26px;padding:14px 22px;font-size:14px;font-weight:500}.orange{background:var(--orange);color:#101819}.orange:hover{background:#ff7f4d}.text-link{font-size:14px;font-weight:500}.hero-visual{position:relative;display:flex;align-items:center;justify-content:center;min-width:0;background-image:linear-gradient(#cbd3cf22 1px,transparent 1px),linear-gradient(90deg,#cbd3cf22 1px,transparent 1px);background-size:42px 42px;margin-top:16px}.hero-visual img{mix-blend-mode:multiply;width:112%;max-width:none;position:relative;transform:rotate(-11deg);filter:drop-shadow(0 30px 13px #22312d15);z-index:1}.hero-number{position:absolute;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:clamp(100px,12vw,180px);color:#dce2de70;letter-spacing:-10px;top:95px;left:5%}.technical-top,.technical-bottom{position:absolute;left:22px;right:5px;display:flex;justify-content:space-between;font-family:monospace;font-size:11px;letter-spacing:1px;color:#66726b}.technical-top{top:0;border-top:1px solid #a7b2ab;padding-top:13px}.technical-bottom{bottom:15px;border-bottom:1px solid #a7b2ab;padding-bottom:13px}.image-label{position:absolute;bottom:95px;left:40px;right:0;display:flex;align-items:center;gap:10px;font-size:10px;letter-spacing:1.3px}.image-label>span:last-child{margin-left:auto}.cross{color:var(--orange);font-size:27px;font-weight:400}.range-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:26px 4.5%;display:flex;justify-content:space-between;align-items:center;gap:25px;background:#fafbf9}.range-strip>span:first-child{font-size:11px;letter-spacing:1.3px;color:var(--muted);margin-right:8%}.range-strip>span{font-size:19px}.range-strip i{font-style:normal;color:#a4ada6}.section{padding:86px 4.5%}.section-head{display:flex;justify-content:space-between;gap:60px;align-items:flex-end;margin-bottom:42px}.section-head h2{margin-top:18px}.section-head p{max-width:360px;color:var(--muted);font-size:15px}.catalog-controls{border-bottom:1px solid var(--line);display:flex;justify-content:space-between;gap:18px;align-items:flex-start;padding-bottom:17px}#filters{display:flex;gap:7px;flex-wrap:wrap}#filters button{padding:9px 12px;font-size:13px;color:#626b6d;border:1px solid transparent}#filters button.active{background:var(--ink);color:#fff}#filters button:hover{border-color:var(--line)}.search{display:flex;align-items:center;gap:8px;min-width:230px;border-bottom:1px solid #aeb4af;padding:7px 0}.search>span{font-size:22px}.search input{width:100%;background:none;border:0;font-size:13px;outline:none}.results-line{display:flex;justify-content:space-between;color:var(--muted);font-size:11px;letter-spacing:1px;margin:23px 0}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 22px}.product{border:1px solid var(--line);transition:transform .25s,border-color .25s;background:#fff}.product:hover{transform:translateY(-4px);border-color:#929f97}.product-img{position:relative;background:var(--paper);height:245px;width:100%;padding:36px;display:flex;align-items:center;justify-content:center}.product-img img{max-height:175px;max-width:87%;object-fit:contain;mix-blend-mode:multiply}.product-category{position:absolute;left:18px;top:17px;font-size:10px;letter-spacing:1.2px;color:#727a74}.product-index{position:absolute;right:18px;top:17px;font:11px monospace;color:#89928b}.product-body{padding:22px}.series{font:11px monospace;color:var(--muted);letter-spacing:.7px}.product h3{font-size:22px;font-weight:500;letter-spacing:-.7px;margin:9px 0}.product p{font-size:14px;color:var(--muted);min-height:48px}.product-actions{margin-top:24px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid var(--line);padding-top:17px}.details-btn{font-size:13px;padding:4px 0}.add-btn{font-size:13px;display:flex;gap:15px;align-items:center}.add-btn span{font-size:21px;color:var(--orange)}.more{display:block;margin:36px auto 0;border-bottom:1px solid var(--ink);padding:12px 4px;font-size:14px}#empty{padding:55px;text-align:center;color:var(--muted)}.system{display:grid;grid-template-columns:1fr 1fr;background:#172022;color:#fff;min-height:600px}.system-image{background:#e8ece8;position:relative;display:flex;align-items:center;justify-content:center;padding:50px}.system-image img{width:100%;mix-blend-mode:multiply}.system-image>span{position:absolute;bottom:28px;left:35px;right:20px;color:var(--ink);font:11px monospace;letter-spacing:1px}.system-copy{padding:65px 10%}.system-copy .eyebrow{color:#abb8b0;font-size:11px}.system h2{margin:25px 0}.system p{font-size:15px;color:#b5bfba}.steps{margin:26px 0 28px}.steps>div{display:flex;gap:20px;padding:14px 0;border-top:1px solid #ffffff25;font-size:14px}.steps>div>span:first-child{color:#a1aaa4;font:12px monospace}.about{display:grid;grid-template-columns:1fr 1fr;gap:70px}.about h2{margin-top:25px}.about p{color:var(--muted);margin-bottom:22px}.about .about-lead{color:var(--ink);font-size:20px;line-height:1.6}.contact{padding:75px 4.5%;background:var(--paper);border-top:1px solid var(--line);position:relative}.contact h2{font-size:clamp(40px,5.4vw,78px);margin:24px 0 35px}.contact>a{margin-left:25px;font-size:14px}.contact:after{content:'↗';position:absolute;right:7%;top:65px;font-size:180px;font-weight:300;color:#d3dcd3}footer{padding:37px 4.5%;display:flex;align-items:center;justify-content:space-between;gap:25px;font-size:12px;color:var(--muted)}footer .brand{color:var(--ink);font-size:20px}footer .brand small{font-size:9px;letter-spacing:2px}dialog{border:0;padding:45px;width:min(760px,calc(100% - 30px));max-height:90vh;color:var(--ink);box-shadow:0 20px 100px #0003}dialog::backdrop{background:#07131499;backdrop-filter:blur(5px)}body:has(dialog[open]){overflow:hidden}.close{position:absolute;right:15px;top:10px;font-size:30px;padding:0 10px;z-index:1}dialog h2{font-size:36px;letter-spacing:-1.3px;margin:12px 0 18px}.muted{color:var(--muted);font-size:14px}.detail-top{display:grid;grid-template-columns:.8fr 1fr;gap:25px;align-items:center;margin:15px 0 25px}.detail-top img{max-height:220px;object-fit:contain}.detail-top p{color:var(--muted);font-size:14px}.spec-list{margin:22px 0;border-top:1px solid var(--line)}.spec-list>div{display:flex;justify-content:space-between;gap:30px;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}.detail-source{display:block;margin:24px 0 0;font-size:14px;text-decoration:underline}.spec-image{margin-top:20px;border:1px solid var(--line);width:100%}form{margin-top:24px}form label{display:flex;flex-direction:column;gap:8px;font-size:14px;margin-bottom:18px}form input,form textarea{border:1px solid #bcc5bf;padding:12px;width:100%;border-radius:0;background:#fff}form input:focus,form textarea:focus{outline:2px solid var(--orange);outline-offset:1px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-note{font-size:12px;line-height:1.6;color:var(--muted);margin:0 0 18px}.form-actions{display:flex;gap:12px}.outline{border:1px solid var(--ink)}.quote-item{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 0;border-bottom:1px solid var(--line);font-size:14px}.quote-item input{width:65px;padding:7px;border:1px solid var(--line)}.quote-item button{font-size:22px}.quote-item strong{font-weight:500;flex:1}.quantity{display:flex;align-items:center;gap:8px}.quote-empty{font-size:14px;color:var(--muted);padding:20px 0;border-bottom:1px solid var(--line)}.toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(100px);background:var(--ink);color:#fff;padding:15px 25px;z-index:100;font-size:14px;transition:transform .3s;pointer-events:none}.toast.visible{transform:translateX(-50%) translateY(0)}#formStatus{font-size:14px;color:#45674c;margin-top:15px}[hidden]{display:none!important}html[lang=zh] h1{font-size:clamp(58px,5.8vw,88px);line-height:1.15;letter-spacing:-2px}html[lang=zh] h2{line-height:1.25;letter-spacing:-1px}
@media(min-width:1550px){main,header,footer,.topline{padding-left:max(4.5%,calc((100vw - 1500px)/2));padding-right:max(4.5%,calc((100vw - 1500px)/2))}main{padding:0}.hero{min-height:710px}.hero h1{font-size:112px}}
@media(max-width:1050px){nav{gap:18px}.nav-actions{gap:15px}.hero{min-height:570px}.hero h1{font-size:74px}.hero-buttons{gap:18px}.catalog-controls{flex-direction:column}.search{width:100%}.range-strip>span:first-child{margin-right:0}.product-img{height:210px;padding:30px}.system-copy{padding:48px 8%}.section{padding-top:65px;padding-bottom:65px}footer{flex-wrap:wrap}.topline{font-size:10px}}
@media(max-width:760px){.topline{justify-content:center;font-size:9px}.topline a{display:none}header{height:78px;gap:10px;padding:0 5%}.brand{font-size:20px;gap:9px}.brand small{font-size:8px;letter-spacing:4px}.mark{font-size:35px}nav{display:none}.nav-actions{gap:15px}.quote-button{padding:12px;font-size:12px}.quote-button>span:first-child{display:none}#lang{font-size:12px}.hero{grid-template-columns:1fr;padding:38px 6% 22px;gap:10px}.hero h1{font-size:73px;letter-spacing:-4px;margin:24px 0}.hero p{font-size:15px;max-width:360px}.hero .eyebrow{font-size:9px;letter-spacing:1px}.hero-buttons{margin-top:24px;gap:22px}.text-link{font-size:12px}.hero-visual{min-height:340px;margin:25px 0 0}.hero-visual img{width:103%}.hero-number{font-size:105px;top:60px;left:15%}.technical-top,.technical-bottom{font-size:9px;left:0;right:0}.image-label{bottom:59px;left:10px;font-size:8px}.technical-bottom{bottom:0}.range-strip{padding:22px 6%;flex-wrap:wrap;gap:12px}.range-strip>span:first-child{width:100%;margin-bottom:10px}.range-strip>span{font-size:15px}.section{padding:55px 6%}.section-head{display:block;margin-bottom:27px}.section-head h2{font-size:37px;letter-spacing:-1.6px}.section-head p{margin-top:22px;font-size:14px}.eyebrow{font-size:10px}.catalog-controls{gap:20px}#filters{gap:2px}#filters button{font-size:12px;padding:8px 10px}.results-line{font-size:9px;gap:20px}.product-grid{grid-template-columns:1fr 1fr;gap:16px 12px}.product-img{height:170px;padding:23px 10px}.product-img img{max-height:108px}.product-category{font-size:8px;left:10px;right:20px;top:12px}.product-index{font-size:8px;right:8px;top:12px}.product-body{padding:14px 12px}.product h3{font-size:18px;line-height:1.2;min-height:44px}.product p{font-size:12px;min-height:62px;line-height:1.6}.series{font-size:10px}.product-actions{margin-top:15px;padding-top:12px;gap:5px;flex-wrap:wrap}.details-btn,.add-btn{font-size:12px}.add-btn{gap:6px}.system{grid-template-columns:1fr}.system-image{min-height:320px;padding:35px}.system-image img{max-height:270px;object-fit:contain}.system-copy{padding:45px 6%}.system h2{font-size:43px}.about{grid-template-columns:1fr;gap:30px}.about h2{font-size:38px}.about .about-lead{font-size:18px}.contact{padding:55px 6%}.contact:after{font-size:95px;right:5%;top:25px}.contact h2{font-size:42px;letter-spacing:-1.8px}.contact>a{display:block;margin:24px 0 0}footer{padding:30px 6%;gap:22px;font-size:11px}footer>*{width:calc(50% - 12px)}footer .brand{font-size:18px}dialog{padding:35px 22px}.detail-top{grid-template-columns:1fr}.detail-top img{height:150px;margin:auto}.form-row{grid-template-columns:1fr;gap:0}.form-actions{flex-wrap:wrap}dialog h2{font-size:30px}.quote-item{gap:10px}.quote-item input{width:52px}.toast{width:85%;text-align:center}.button{padding:13px 18px;font-size:13px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

#detail{width:min(1100px,calc(100% - 30px))}.detail-top{grid-template-columns:240px 1fr}.detail-actions{display:flex;flex-wrap:wrap;gap:12px;padding-bottom:28px;border-bottom:1px solid var(--line)}.specification-intro{margin:30px 0}.specification-intro h3{font-size:25px;font-weight:500;letter-spacing:-.7px}.specification-intro p{margin-top:10px;color:var(--muted);font-size:14px}.data-section{margin:30px 0}.data-heading{display:flex;gap:20px;align-items:baseline;justify-content:space-between;margin-bottom:13px}.data-heading h3{font-size:19px;font-weight:500}.data-heading>span{font:12px monospace;color:var(--muted);white-space:nowrap}.table-scroll{width:100%;overflow:auto;border:1px solid var(--line);overscroll-behavior-x:contain}.table-scroll:focus-visible{outline:2px solid var(--orange);outline-offset:3px}table{border-collapse:separate;border-spacing:0;min-width:100%;font-size:14px;text-align:left;line-height:1.5}th,td{padding:13px 17px;border-right:1px solid var(--line);border-bottom:1px solid var(--line);vertical-align:top}thead th{background:var(--ink);color:#fff;font-weight:500;white-space:nowrap}tbody th{font-weight:500;background:#f4f6f3;min-width:140px}tbody td{background:#fff;min-width:100px}tbody tr:nth-child(even) td{background:#fafbf9}th:last-child,td:last-child{border-right:0}tbody tr:last-child>*{border-bottom:0}tbody tr:hover td{background:#f0f3ee}.data-note{font-size:13px;color:#5b5f54;line-height:1.7;margin-top:12px;padding:14px 18px;border-left:3px solid var(--orange);background:#faf6f0}.data-footnote{font-size:12px;color:var(--muted);margin-top:30px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}input[aria-invalid=true],textarea[aria-invalid=true]{border-color:#b73e22}html[lang=zh] .brand{letter-spacing:1px}@media(max-width:760px){.detail-top{grid-template-columns:1fr}.detail-actions .button{width:100%}.data-heading{align-items:flex-start;gap:12px}.data-heading h3{font-size:17px}.data-heading>span{font-size:11px}th,td{padding:11px 13px}.data-section{margin:28px 0}.specification-intro h3{font-size:22px}.table-scroll table{min-width:500px}.table-scroll tbody th:first-child{position:sticky;left:0;z-index:1;box-shadow:2px 0 3px #00000006}}

footer .company-address{font-style:normal;font-size:14px;line-height:1.65;max-width:390px;flex:1 1 260px}footer{flex-wrap:wrap}@media(max-width:760px){footer .company-address{width:100%;max-width:none;flex-basis:100%}}

footer.site-footer{display:grid;grid-template-columns:minmax(200px,1fr) minmax(0,1.65fr);align-items:start;gap:30px 65px;padding-top:44px;padding-bottom:23px;border-top:1px solid var(--line)}.site-footer>.brand{padding-top:3px;width:auto}.site-footer>.footer-contacts{width:auto;display:grid;grid-template-columns:1fr 1fr;gap:19px 32px}.site-footer .footer-contact{display:flex;align-items:flex-start;gap:13px;font-size:14px;line-height:1.7;color:var(--muted);min-width:0}.site-footer a.footer-contact:hover{color:var(--ink)}.site-footer .contact-icon{color:var(--orange);flex:0 0 20px;width:20px;height:20px;margin-top:2px}.site-footer .footer-contact span{overflow-wrap:anywhere}.site-footer .company-address{grid-column:1/-1;margin:0;max-width:600px;width:auto;font-style:normal}.site-footer>.footer-bottom{grid-column:1/-1;width:auto;border-top:1px solid var(--line);padding-top:20px;font-size:12px;letter-spacing:.2px;color:var(--muted)}@media(max-width:760px){footer.site-footer{grid-template-columns:1fr;gap:27px;padding-top:34px}.site-footer>.footer-contacts{grid-template-columns:1fr;gap:19px}.site-footer .company-address{max-width:100%}.site-footer>.footer-bottom{padding-top:19px}.site-footer .footer-contact{font-size:14px}}

/* Shared quotation emphasis and interaction feedback. */
.quote-button,.sticky-inquiry,.orange,.add-btn{background:var(--orange);color:var(--ink);font-weight:650;border:1px solid #da5326;box-shadow:0 3px 0 #ad391f;position:relative;isolation:isolate;overflow:hidden;cursor:pointer;transition:background .2s,box-shadow .2s,transform .2s,border-color .2s}.quote-button{min-height:48px;padding:13px 18px;border-radius:3px}.quote-button #count{border-color:#17202250;background:#ffffff35;color:var(--ink)}.add-btn{padding:9px 12px;min-height:42px;border-radius:3px;gap:10px}.add-btn span{color:var(--ink)}.quote-button::after,.sticky-inquiry::after,.orange::after,.add-btn::after{content:'';position:absolute;inset:0;z-index:-1;background:linear-gradient(110deg,transparent 20%,#ffffff45 50%,transparent 80%);transform:translateX(-140%);transition:transform .5s;pointer-events:none}.cta-arrow{display:inline-block;transition:transform .2s}.hero-buttons>.button:first-child{background:transparent;box-shadow:none;border:1px solid var(--ink)}.inquiry-dock{position:fixed;right:28px;bottom:26px;z-index:20}.sticky-inquiry{display:flex;align-items:center;justify-content:center;gap:13px;padding:17px 23px;min-height:58px;border-radius:5px;font-size:16px;box-shadow:0 4px 0 #ad391f,0 9px 28px #17202229}.sticky-inquiry svg{flex-shrink:0}.dock-count{border:1px solid #17202245;min-width:24px;height:24px;border-radius:50%;display:grid;place-items:center;font-size:12px;background:#ffffff35}body:has(dialog[open]) .inquiry-dock{display:none}.toast{bottom:100px}.site-footer{padding-bottom:100px!important}.quote-button:focus-visible,.sticky-inquiry:focus-visible,.orange:focus-visible,.add-btn:focus-visible{outline:3px solid var(--ink);outline-offset:4px}.quote-button:active,.sticky-inquiry:active,.orange:active,.add-btn:active{transform:translateY(2px);box-shadow:0 1px 0 #ad391f;background:#e75b28}
@media(hover:hover){.quote-button:hover,.sticky-inquiry:hover,.orange:hover,.add-btn:hover{background:#ff824c;border-color:#d04a20;transform:translateY(-3px);box-shadow:0 5px 0 #ad391f,0 10px 22px #ef67332b}.quote-button:hover::after,.sticky-inquiry:hover::after,.orange:hover::after,.add-btn:hover::after{transform:translateX(140%)}.sticky-inquiry:hover .cta-arrow,.inquiry-hero:hover .cta-arrow{transform:translate(3px,-3px)}}
@media(max-width:760px){.quote-button>span:first-child{display:inline}.quote-button{padding:10px 11px;min-height:43px;font-size:12px;gap:7px}.quote-button #count{min-width:18px;height:18px;font-size:11px}.inquiry-dock{left:0;right:0;bottom:0;padding:12px 6% calc(12px + env(safe-area-inset-bottom));background:#ffffffed;backdrop-filter:blur(12px);border-top:1px solid var(--line)}.sticky-inquiry{width:100%;min-height:50px;padding:13px 20px;font-size:15px}.sticky-inquiry .cta-arrow{margin-left:auto}.inquiry-dock .sticky-inquiry>span[data-i]{margin-right:auto}.site-footer{padding-bottom:calc(110px + env(safe-area-inset-bottom))!important}.hero-buttons{flex-wrap:wrap;gap:15px}.add-btn{padding:8px 9px;font-size:12px;min-height:40px}.product-actions{gap:12px}.toast{bottom:100px}header .nav-actions{gap:10px}}
@media(max-width:440px){header .brand .mark{display:none}header .brand{font-size:18px}header .brand small{font-size:8px;letter-spacing:3px}header{gap:8px;padding-left:4%;padding-right:4%}.nav-actions{gap:8px}.quote-button{gap:5px;font-size:11px;padding:10px 8px}#lang{font-size:11px}}
@media(prefers-reduced-motion:reduce){.quote-button::after,.sticky-inquiry::after,.orange::after,.add-btn::after{display:none}.quote-button:hover,.sticky-inquiry:hover,.orange:hover,.add-btn:hover,.cta-arrow{transform:none!important}}
html{scroll-padding-bottom:115px}button,a{scroll-margin-bottom:110px}.quote-button:active,.sticky-inquiry:active,.orange:active,.add-btn:active{transform:translateY(2px);box-shadow:0 1px 0 #ad391f;background:#e75b28}
/* Product engineering documentation */
.product-section-nav{display:flex;gap:10px;margin:0 0 38px;border-bottom:1px solid var(--line);padding-bottom:18px;flex-wrap:wrap}.product-section-nav a{display:inline-flex;padding:12px 20px;background:var(--paper);border:1px solid var(--line);font-size:14px;font-weight:600;transition:background .2s,transform .2s}.product-section-nav a:hover{background:#f16835;color:#fff;transform:translateY(-2px)}#engineering-drawings,#technical-specifications{scroll-margin-top:110px}.engineering-drawings{margin:64px 0}.drawings-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.drawings-heading h2{font-size:clamp(28px,3.2vw,42px);letter-spacing:-1px;margin-top:12px}.drawings-heading>span{font-size:12px;letter-spacing:1px;color:var(--muted)}.drawings-intro{max-width:750px;color:var(--muted);margin:20px 0 28px}.drawings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.drawing-card{border:1px solid var(--line);background:white;min-width:0;margin:0}.drawing-open{display:flex;position:relative;align-items:center;justify-content:center;min-height:275px;padding:24px 24px 55px;cursor:zoom-in;overflow:hidden}.drawing-open img{width:100%;height:280px;object-fit:contain;transition:transform .25s}.drawing-open:hover img{transform:scale(1.025)}.drawing-open:focus-visible{outline:3px solid var(--orange);outline-offset:-3px}.drawing-enlarge{position:absolute;right:16px;bottom:15px;background:#172022;color:white;border-radius:3px;padding:9px 12px;font-size:12px;transition:background .2s}.drawing-open:hover .drawing-enlarge{background:var(--orange)}.drawing-card figcaption{display:flex;justify-content:space-between;gap:16px;border-top:1px solid var(--line);padding:18px 20px;background:var(--paper)}.drawing-card h3{font-size:15px;font-weight:600;margin:0 0 6px;line-height:1.5}.drawing-card figcaption span{font-size:12px;color:var(--muted)}.drawing-card figcaption>a{white-space:nowrap;align-self:center;color:#a13c18;font-weight:600;font-size:13px}.module-cell{display:flex;align-items:center;gap:14px;min-width:225px}.module-cell img{width:84px;height:75px;object-fit:contain;background:white;flex-shrink:0}.module-cell span{font-size:13px;overflow-wrap:anywhere}.drawing-viewer{width:calc(100vw - 40px);max-width:1400px;height:calc(100dvh - 40px);max-height:none;border:0;padding:0;border-radius:8px;background:#e9ece9;overflow:hidden}.drawing-viewer::backdrop{background:rgba(12,21,23,.8);backdrop-filter:blur(5px)}.drawing-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;background:#172022;color:#fff;padding:16px 20px}.drawing-toolbar h2{font-size:16px;letter-spacing:0;line-height:1.4}.drawing-tools{display:flex;align-items:center;gap:8px;flex-shrink:0}.drawing-tools button,.drawing-tools a{background:#303c3f;color:white;border:1px solid #576266;padding:9px 12px;font:inherit;font-size:14px;cursor:pointer;border-radius:3px}.drawing-tools button:hover,.drawing-tools a:hover{background:#f16835;border-color:#f16835}.drawing-canvas{height:calc(100% - 85px);overflow:auto;padding:24px;display:block;overscroll-behavior:contain}.drawing-canvas img{display:block;max-width:none;height:auto;background:white;margin:0 auto;box-shadow:0 5px 25px #0001}.drawing-zoom-status{min-width:42px;text-align:center;font-size:12px}.drawing-tools :focus-visible{outline:2px solid #ffb394;outline-offset:2px}@media(max-width:760px){.drawings-grid{grid-template-columns:1fr}.drawings-heading{align-items:start}.drawings-heading>span{margin-top:8px;white-space:nowrap}.drawing-open{min-height:210px;padding:18px 18px 52px}.drawing-open img{height:220px}.drawing-card figcaption{padding:15px;gap:12px}.drawing-viewer{width:100vw;height:100dvh;margin:0;border-radius:0}.drawing-toolbar{align-items:start;flex-direction:column;padding:15px}.drawing-toolbar h2{font-size:14px;max-width:100%}.drawing-tools{width:100%;justify-content:space-between;gap:5px}.drawing-tools button,.drawing-tools a{padding:9px 11px;font-size:12px}.drawing-canvas{height:calc(100% - 125px);padding:12px}.product-section-nav a{padding:11px 14px;font-size:13px}}@media(prefers-reduced-motion:reduce){.drawing-open img,.product-section-nav a{transition:none}}

/* Native input preserves keyboard and file upload behavior; visible labels follow site language. */
.attachment-field{margin:18px 0}.file-upload{position:relative;display:flex;align-items:center;gap:16px;padding:16px;border:1px dashed var(--line);background:var(--paper);min-width:0}.file-upload #inquiryAttachment{position:absolute;inset:0;opacity:0;width:100%;height:100%;margin:0;padding:0;cursor:pointer;z-index:1}.file-upload-button{flex-shrink:0;background:var(--ink,#182223);color:white;padding:12px 18px;font-size:14px;transition:background .2s,transform .2s}.file-upload:hover .file-upload-button{background:var(--orange);transform:translateY(-1px)}.file-upload:focus-within{outline:2px solid var(--orange);outline-offset:3px}#attachmentFilename{min-width:0;overflow-wrap:anywhere;font-size:14px}#attachmentHelp{display:block;margin-top:8px}

.file-upload-button{background:var(--orange,#fa6938);border:0;color:#fff;font:inherit;font-weight:600;cursor:pointer;box-shadow:0 4px 12px #fa693829}.file-upload:hover .file-upload-button{background:var(--orange,#fa6938)}.file-upload-button:hover{filter:brightness(.92);transform:translateY(-2px)}.file-upload-button:focus-visible{outline:2px solid var(--ink,#182223);outline-offset:3px}.file-upload #inquiryAttachment[hidden]{display:none!important}

img{height:auto}header .brand{font-size:24px}.brand .mark{font-size:39px}.category-directory{margin-top:50px;padding-top:30px;border-top:1px solid var(--line)}.category-directory h3{font-size:23px;font-weight:500}.category-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}.category-links a{border:1px solid var(--line);padding:13px 17px;font-size:14px;background:#fafbf9}.category-links a:hover{border-color:var(--orange)}.breadcrumbs{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-start;gap:12px;font-size:13px;color:var(--muted);margin-bottom:40px}.breadcrumbs a:hover{color:var(--orange)}.category-page h1,.product-page h1,.guide-page h1{font-size:clamp(36px,4.5vw,66px);font-weight:500;letter-spacing:-2px;line-height:1.1;margin:18px 0 25px}.page-intro{max-width:830px;color:var(--muted);font-size:18px;margin-bottom:40px}.selection-note{margin:65px 0;padding:35px;background:var(--paper);border-left:3px solid var(--orange)}.selection-note h2{font-size:29px;letter-spacing:-.8px}.selection-note p{margin:17px 0;color:var(--muted);max-width:850px}.category-page>h2{font-size:30px;letter-spacing:-1px}.product-overview{display:grid;grid-template-columns:.8fr 1fr;gap:65px;align-items:center;margin-bottom:60px}.product-photo{background:var(--paper);min-height:340px;padding:40px;display:grid;place-items:center}.product-photo img{max-width:90%;max-height:300px;mix-blend-mode:multiply;object-fit:contain}.product-overview .detail-actions{margin:25px 0;border:0;padding:0}.product-specs{max-width:1200px}.product-specs>h2{font-size:36px}.product-page .form-note{margin-top:16px}.guide-page{max-width:1120px;margin:auto}.guide-page h1{max-width:850px}.guide-step{margin:38px 0;padding:26px 0;border-top:1px solid var(--line)}.guide-step h2{font-size:30px;letter-spacing:-1px;line-height:1.2}.guide-step p{color:var(--muted);margin:20px 0}.guide-step li{margin:13px 0;font-size:14px}.guide-step li a{text-decoration:underline}.faq-block h2{font-size:36px;letter-spacing:-1px;margin-bottom:30px}.faq-block details{border-top:1px solid var(--line);padding:20px 0}.faq-block details:last-child{border-bottom:1px solid var(--line)}.faq-block summary{font-size:18px;cursor:pointer;font-weight:500}.faq-block details p{max-width:900px;margin-top:16px;color:var(--muted)}.guide-promo{display:grid;grid-template-columns:1fr 1fr;gap:60px;background:var(--paper)}.guide-promo h2{margin-top:20px}.guide-promo p{color:var(--muted);margin-bottom:25px}.product-img:focus-visible{outline:3px solid var(--orange);outline-offset:0}
@media(max-width:1150px){header nav{display:none}}@media(max-width:760px){header .brand{font-size:20px}.brand .mark{font-size:33px}.product-overview,.guide-promo{grid-template-columns:1fr;gap:30px}.product-photo{min-height:240px}.product-photo img{max-height:220px}.product-page h1,.category-page h1,.guide-page h1{font-size:37px;letter-spacing:-1px;overflow-wrap:anywhere}.breadcrumbs{font-size:12px;gap:9px;margin-bottom:30px}.page-intro{font-size:16px}.selection-note{padding:25px 20px;margin:40px 0}.selection-note h2,.guide-step h2{font-size:26px}.product-specs>h2,.faq-block h2{font-size:30px}.guide-promo h2{font-size:35px}.faq-block summary{font-size:16px}.category-links a{padding:12px;font-size:13px}.product-page .detail-actions .button{width:100%}footer>*{overflow-wrap:anywhere}}