:root{--orange:#e9510b;--orange-dark:#b93c04;--ink:#252729;--muted:#686c70;--paper:#fff;--soft:#f5f6f7;--line:#e3e5e7;--radius:2px;--header:78px;color-scheme:light;font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}button{cursor:pointer}button{color:inherit}img{max-width:100%;display:block}svg{width:20px;height:20px;stroke-width:1.6;flex-shrink:0}button{border:0;background:none}a,button{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--orange);outline-offset:5px}p,h1,h2,h3{margin:0}button:active,.button:active{transform:translateY(1px)}.container{width:min(1240px,calc(100% - 96px));margin-inline:auto}.utility{background:#f5f5f5;font-size:12px;color:#62666a;height:34px}.utility .container{display:flex;align-items:center;gap:28px;height:100%}.utility span{margin-right:auto}.utility a{display:flex;align-items:center;gap:7px}.utility svg{width:14px;height:14px}.utility a:hover{color:var(--orange-dark)}.header{height:var(--header);background:var(--paper);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.nav-inner{display:flex;align-items:center;height:100%;gap:36px}.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}.brand img{width:46px;height:46px;object-fit:contain}.brand strong{font-size:26px;line-height:1.3;display:block;font-weight:750}.brand small{font-size:8px;display:block;margin-top:2px}.nav-inner nav{display:flex;align-self:stretch;align-items:center;gap:32px;margin-left:auto}.nav-inner nav a{height:100%;display:flex;align-items:center;position:relative;font-size:14px;font-weight:550;white-space:nowrap}.nav-inner nav a:hover,.nav-inner nav a.active{color:var(--orange-dark)}.nav-inner nav a.active:after{content:"";position:absolute;height:3px;bottom:0;left:0;right:0;background:var(--orange)}.nav-contact{background:var(--orange);color:#fff;display:flex;gap:18px;align-items:center;padding:14px 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button:hover{color:var(--orange)}.slide-controls{display:flex;align-items:center;gap:10px;position:absolute;left:0;bottom:35px}.slide-dot{padding:0;width:27px;height:18px;position:relative}.slide-dot:after{content:"";height:3px;position:absolute;inset:7px 0 auto;background:#c7c9cc}.slide-dot.active:after{background:var(--orange)}.slide-count{margin-left:14px;color:var(--muted);font-size:11px;font-variant-numeric:tabular-nums}.strengths{border-bottom:1px solid var(--line);background:var(--paper)}.strengths-grid{display:grid;grid-template-columns:repeat(3,1fr);padding-block:29px}.strengths-grid>div{display:flex;align-items:center;gap:19px;justify-content:center;border-right:1px solid var(--line)}.strengths-grid>div:first-child{justify-content:flex-start}.strengths-grid>div:last-child{border:0;justify-content:flex-end}.strengths-grid svg{color:var(--orange);width:32px;height:32px;stroke-width:1.3}.strengths strong{font-size:16px;font-weight:600;display:block}.strengths small{font-size:12px;color:var(--muted);display:block;margin-top:7px}.section{padding:88px 0}.section-heading{margin-bottom:35px}.section-heading .eyebrow{margin-bottom:12px}h2{font-size:34px;line-height:1.4;font-weight:650}h3{font-weight:600}.section-heading>p:last-child{font-size:14px;color:var(--muted);line-height:1.9;margin-top:12px}.product-toolbar{display:flex;gap:20px;border-bottom:1px solid var(--line);margin-bottom:30px;align-items:center;justify-content:space-between}.filters{display:flex;gap:25px}.filters button{padding:17px 0;font-size:14px;white-space:nowrap;border-bottom:2px solid transparent;color:var(--muted)}.filters button.selected{border-color:var(--orange);color:var(--orange-dark);font-weight:600}.search{display:flex;align-items:center;gap:8px;max-width:180px;min-width:120px;color:var(--muted)}.search svg{width:17px}.search input{width:100%;min-width:0;border:0;background:transparent;padding:12px 0;font-size:13px;color:var(--ink)}.product-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.product-card{display:grid;grid-template-columns:1fr 48%;min-height:255px;background:var(--soft);padding:30px;position:relative;text-align:left;overflow:hidden;border:1px solid transparent;border-radius:var(--radius);transition:border-color .2s}.product-card:hover{border-color:var(--orange)}.product-card>div{position:relative;z-index:1;display:flex;align-items:flex-start;flex-direction:column}.product-type{font-size:11px;color:var(--muted);margin-bottom:10px}.product-card h3{font-size:21px;line-height:1.55;max-width:240px}.product-card p{font-size:12px;line-height:1.9;margin-top:12px;color:var(--muted);max-width:235px}.product-card .card-more{display:flex;gap:12px;align-items:center;color:var(--orange-dark);font-size:12px;margin-top:auto;padding-top:23px}.card-more svg{width:15px;height:15px}.product-card img{object-fit:contain;width:100%;height:190px;mix-blend-mode:multiply;align-self:center;transition:transform .3s}.product-card:hover img{transform:scale(1.035)}.products-bottom{display:flex;justify-content:center;gap:30px;align-items:center;margin-top:34px}.outline{border:1px solid #b8bdc0;background:transparent}.outline:hover{border-color:var(--orange);color:var(--orange-dark)}.text-link{display:inline-flex;gap:12px;align-items:center;font-size:13px;padding:5px 0;color:var(--orange-dark)}.text-link:hover{text-decoration:underline}.text-link svg{width:17px;height:17px}.empty{grid-column:1/-1;padding:60px 20px;text-align:center;background:var(--soft);color:var(--muted)}.about{background:var(--soft)}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.about-visual{position:relative;padding-bottom:35px}.about-visual>img{width:100%;height:335px;object-fit:cover}.experience{position:absolute;right:-24px;bottom:0;background:var(--orange);color:#fff;min-width:180px;padding:22px 28px}.experience strong{font-size:56px;font-weight:500;line-height:1.05}.experience span{font-size:18px;margin-left:8px}.experience p{font-size:13px;margin-top:10px}.about-copy h2{margin-bottom:20px}.about-copy h3{font-size:19px;margin-bottom:17px}.about-copy>p{font-size:14px;color:var(--muted);line-height:2;margin-bottom:13px}.about-tags{display:flex;gap:20px;flex-wrap:wrap;margin:22px 0}.about-tags span{font-size:12px;display:flex;gap:6px;align-items:center}.about-tags svg{color:var(--orange);width:16px;height:16px}.custom .section-heading{text-align:center}.custom-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;align-items:center;margin-top:44px}.drawing{padding:22px;background:#fff}.drawing img{width:100%;height:220px;object-fit:contain}.custom-facts{display:grid;grid-template-columns:1fr 1fr;gap:25px}.custom-facts>div{border-left:1px solid var(--line);padding-left:25px}.custom-facts svg{color:var(--orange);width:32px;height:32px;margin-bottom:23px}.custom-facts h3{font-size:18px;margin-bottom:12px}.custom-facts p{font-size:13px;line-height:1.8;color:var(--muted)}.catalog{background:var(--soft);padding:35px 0;border-block:1px solid var(--line)}.catalog-inner{display:flex;gap:26px;align-items:center}.catalog-icon{width:65px;height:70px;display:flex;align-items:center;justify-content:center;color:var(--orange)}.catalog-icon svg{width:52px;height:52px;stroke-width:1}.catalog h2{font-size:23px}.catalog p{font-size:13px;line-height:1.8;color:var(--muted);margin-top:10px}.catalog .button{margin-left:auto}.contact-layout{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:50px;align-items:center}.contact h2{font-size:28px}.contact .eyebrow{margin-bottom:14px}.contact p:not(.eyebrow){font-size:13px;color:var(--muted);margin-top:15px}.contact-person{padding:20px 0;border-bottom:1px solid var(--line)}.contact-person>span{display:block;font-size:14px;margin-bottom:17px}.contact-person a{font-size:24px;display:flex;align-items:center;justify-content:space-between;gap:12px;white-space:nowrap}.contact-person a:hover{color:var(--orange-dark)}.contact-person svg{width:19px;color:var(--orange)}.contact-person small{display:block;margin-top:10px;font-size:12px;color:var(--muted)}footer{border-top:1px solid var(--line);font-size:12px;color:var(--muted);padding:26px 0}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.footer-inner>div{display:flex;gap:25px}.back-top{display:flex;align-items:center;gap:12px}.footer-inner a:hover{color:var(--orange-dark)}.back-top svg{width:16px}.skip-link{position:fixed;top:-100px;left:15px;z-index:100;background:var(--orange);color:#fff;padding:15px}.skip-link:focus{top:15px}dialog{width:min(880px,calc(100% - 32px));max-height:90svh;border:0;padding:0;background:var(--paper);color:var(--ink);border-radius:4px}dialog::backdrop{background:rgb(20 24 28 / .6)}.dialog-top{position:sticky;top:0;display:flex;justify-content:space-between;align-items:center;background:var(--paper);padding:22px 28px;border-bottom:1px solid var(--line);z-index:1}.dialog-top p{font-size:12px;color:var(--orange-dark);margin-bottom:5px}.dialog-top h2{font-size:22px}.dialog-content{padding:24px 28px}.dialog-content>p{font-size:14px;line-height:1.9;color:var(--muted)}.dialog-actions{display:flex;justify-content:space-between;gap:20px;align-items:center;margin:18px 0;font-size:12px;color:var(--muted)}.dialog-content>img{width:100%;height:auto;background:white}.dialog-open{overflow:hidden}
@media(min-width:1600px){.hero-inner{height:590px}.hero-copy{padding-top:90px}}
@media(max-width:1150px){.container{width:calc(100% - 64px)}.nav-inner{gap:22px}.nav-inner nav{gap:22px}.brand strong{font-size:23px}.nav-contact{padding:13px}.hero-copy{padding-top:68px}h1{font-size:49px}.hero-product{right:0}.product-card{padding:24px;grid-template-columns:1fr 43%}.product-card h3{font-size:19px}.filters{gap:20px}.about-grid{gap:55px}.contact-layout{gap:28px}.contact-person a{font-size:20px}}
@media(max-width:950px){.nav-contact{display:none}.nav-inner nav{gap:25px}.nav-inner{justify-content:space-between}.hero-inner{min-height:470px}.hero-caption{bottom:30px}.product-toolbar{flex-wrap:wrap;gap:0}.search{margin:0 0 10px auto;max-width:160px}.about-grid{gap:40px}.about-visual>img{height:300px}.custom-layout{gap:28px}.contact-layout{grid-template-columns:1fr 1fr}.contact-layout>div:first-child{grid-column:1/-1}.contact h2 br{display:none}}
@media(max-width:700px){:root{--header:68px}.container{width:calc(100% - 40px)}.utility{height:29px;font-size:10px}.utility .container{gap:10px}.utility .container>span{font-size:10px}.utility a:last-child{display:none}.utility a svg{display:none}.brand strong{font-size:23px}.brand small{font-size:7px}.brand img{width:40px;height:40px}.menu-toggle{display:inline-flex}.nav-inner nav{display:none;position:absolute;top:68px;left:0;right:0;background:var(--paper);padding:12px 20px 20px;border-bottom:1px solid var(--line);box-shadow:0 12px 15px #2527290a}.nav-inner nav.open{display:flex;flex-direction:column;align-items:stretch;gap:0}.nav-inner nav a{padding:14px 8px}.nav-inner nav a.active:after{display:none}.hero-inner{height:660px;min-height:0}.hero-copy{padding-top:35px;max-width:100%}.hero .eyebrow{font-size:11px;margin-bottom:14px}h1{font-size:38px;line-height:1.25}.hero-description{font-size:13px;margin-top:15px;max-width:100%;line-height:1.8}.desktop-br{display:none}.hero-copy .button{margin-top:19px;min-height:44px;padding:11px 19px;gap:25px;font-size:12px}.hero-product{height:280px;width:78%;top:318px;right:0}.hero-caption{bottom:18px;min-width:0;max-width:60%;column-gap:8px;padding-left:10px}.hero-caption strong{font-size:12px}.hero-caption span{font-size:10px}.hero-caption .icon-button{height:34px;width:34px}.slide-controls{bottom:23px;gap:7px}.slide-dot{width:20px}.slide-count{display:none}.strengths-grid{padding-block:21px;gap:12px}.strengths-grid>div,.strengths-grid>div:first-child,.strengths-grid>div:last-child{flex-direction:column;align-items:flex-start;justify-content:flex-start;gap:11px;padding-right:5px}.strengths-grid svg{width:25px;height:25px}.strengths strong{font-size:11px;line-height:1.6}.strengths small{font-size:10px;line-height:1.6;margin-top:3px}.section{padding:55px 0}h2{font-size:27px}.section-heading{margin-bottom:24px}.section-heading>p:last-child{font-size:12px}.eyebrow{font-size:11px}.product-toolbar{display:block;position:relative}.filters{gap:22px;overflow-x:auto;padding-bottom:0;scrollbar-width:thin}.filters button{font-size:12px;padding-block:14px}.search{margin:10px 0 4px;max-width:none;width:100%}.search input{font-size:12px}.product-grid{grid-template-columns:1fr;gap:12px}.product-card{min-height:225px;padding:22px;grid-template-columns:1fr 43%}.product-card h3{font-size:18px}.product-card p{font-size:11px}.product-card img{height:155px}.products-bottom{gap:20px;flex-wrap:wrap;margin-top:26px}.button{font-size:12px;min-height:44px;padding:12px 20px;gap:18px}.text-link{font-size:12px}.about-grid{grid-template-columns:1fr;gap:30px}.about-visual{padding:0 20px 28px 0}.about-visual>img{height:auto;aspect-ratio:1.45;object-fit:cover}.experience{right:0;min-width:140px;padding:17px 22px}.experience strong{font-size:42px}.experience span{font-size:14px}.experience p{font-size:11px}.about-copy h2{margin-bottom:15px}.about-copy h3{font-size:17px}.about-copy>p{font-size:13px}.about-tags{gap:15px}.custom .section-heading{text-align:left}.custom-layout{grid-template-columns:1fr;gap:23px;margin-top:25px}.drawing{padding:10px 0}.drawing img{height:auto}.custom-facts{gap:20px}.custom-facts>div{padding-left:18px}.custom-facts h3{font-size:16px}.custom-facts p{font-size:12px}.catalog{padding:30px 0}.catalog-inner{flex-wrap:wrap;gap:14px}.catalog-icon{display:none}.catalog h2{font-size:21px}.catalog p{font-size:11px}.catalog .button{margin:7px 0 0}.contact-layout{gap:23px;grid-template-columns:1fr}.contact h2{font-size:26px}.contact-person{padding:15px 0}.contact-person>span{margin-bottom:11px}.contact-person a{font-size:25px;justify-content:flex-start;gap:20px}.contact-person small{margin-top:7px}.footer-inner{flex-wrap:wrap;gap:20px}.footer-inner>span{width:100%;font-size:11px}.footer-inner>div{gap:20px;font-size:11px}.back-top{font-size:11px;margin-left:auto}.dialog-top{padding:16px}.dialog-top h2{font-size:18px}.dialog-content{padding:16px}.dialog-actions{flex-wrap:wrap;gap:8px}}
@media(max-width:360px){.container{width:calc(100% - 32px)}.utility .container>span{font-size:9px}.hero-inner{height:650px}h1{font-size:34px}.hero-caption{max-width:65%}.product-card{padding:18px}.product-card h3{font-size:16px}.strengths strong{font-size:10px}}
[hidden]{display:none!important}
.hero-product[src$="/connector.webp"]{transform:scale(.72);transform-origin:center}
.button.primary,.nav-contact{background:#c84308}
.button.primary:hover,.nav-contact:hover{background:var(--orange-dark)}
.experience{background:#c84308}
.experience p{color:#fff;font-weight:600}
@media(max-width:700px){.hero-inner{height:min(660px,calc(100svh - 150px));min-height:510px}.hero-product{top:auto;bottom:70px;height:calc(100% - 370px);min-height:175px;max-height:280px}.hero-copy{padding-top:30px}}
@media(prefers-reduced-motion:no-preference){
  .button svg,.text-link svg,.nav-contact svg,.card-more svg,.back-top svg{transition:transform .25s ease}
  .button:hover svg,.text-link:hover svg,.card-more svg{transform:translateX(0)}
  .button:hover svg,.text-link:hover svg,.product-card:hover .card-more svg{transform:translateX(4px)}
  .nav-contact:hover svg{transform:translate(2px,-2px)}
  .back-top:hover svg{transform:translateY(-3px)}
  .product-card{transition:border-color .25s,transform .3s}
  .product-card:hover{transform:translateY(-3px)}
  .slide-dot:after{transition:transform .25s,background .25s}
  .slide-dot.active:after{transform:scaleX(1.12)}
  .nav-inner nav a:after{transform-origin:left;animation:nav-line .3s ease both}
  @keyframes nav-line{from{transform:scaleX(0)}to{transform:scaleX(1)}}
  @keyframes menu-entry{from{opacity:0;translate:0 -8px}to{opacity:1;translate:0 0}}
  .nav-inner nav.open{animation:menu-entry .25s ease both}
}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}