@charset "UTF-8";
:root{--ink:#182626;--muted:#61706c;--blue:#225ce5;--blue-dark:#1744b7;--paper:#f5f5ef;--line:#d7ddd5;--mint:#d8e4d9;--serif:Georgia,"Times New Roman",serif;--sans:Arial,"Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:105px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{max-width:100%;display:block}button{color:inherit}::selection{background:var(--blue);color:white}:focus-visible{outline:3px solid var(--blue);outline-offset:5px}h1,h2,h3,h4,p{margin-top:0}p{line-height:1.9}h1,h2,h3{font-weight:600}svg{display:block}.wrap{width:min(1380px,calc(100% - 96px));margin:auto}.narrow{max-width:900px}.eyebrow{font-size:11px;letter-spacing:.15em;text-transform:uppercase;display:flex;align-items:center;gap:11px;font-weight:600}.eyebrow:before{content:"";width:7px;height:7px;background:var(--blue);display:inline-block}.muted{color:var(--muted)}.mono{font-family:Consolas,"Courier New",monospace}.label{font-size:11px;letter-spacing:.09em}.skip{position:fixed;top:-100px;left:15px;padding:16px;background:var(--blue);color:#fff;z-index:100}.skip:focus{top:10px}
.header{height:90px;border-bottom:1px solid var(--line);display:flex;align-items:center;position:sticky;top:0;background:rgba(245,245,239,.97);z-index:40;backdrop-filter:blur(16px)}.header-inner{display:flex;align-items:center;justify-content:space-between;width:calc(100% - 96px);max-width:1600px;margin:auto;gap:28px}.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}.brand-mark{width:35px;height:38px;position:relative;transform:skew(-14deg);display:flex;align-items:flex-end;gap:4px}.brand-mark i{display:block;width:8px;background:var(--blue)}.brand-mark i:nth-child(1){height:22px}.brand-mark i:nth-child(2){height:36px}.brand-mark i:nth-child(3){height:28px}.brand-cn{font-size:26px;font-weight:800;letter-spacing:3px;line-height:1}.brand-en{display:block;font-size:8px;letter-spacing:3px;margin-top:6px;font-weight:600}.nav{display:flex;align-items:center;gap:28px}.nav a{font-size:13px;white-space:nowrap;position:relative;padding:35px 0}.nav a:after{content:"";height:2px;position:absolute;bottom:24px;left:0;right:100%;background:var(--blue);transition:right .25s}.nav a:hover:after,.nav a.active:after{right:0}.header-actions{display:flex;align-items:center;gap:20px}.icon-button{border:0;background:none;padding:8px;font-size:23px;line-height:1}.header-cta{font-size:12px;display:flex;gap:20px;align-items:center;border-left:1px solid var(--line);padding-left:22px}.header-cta span{font-size:19px;color:var(--blue)}.menu-button{display:none;font-size:14px;border:1px solid var(--line);background:none;padding:10px}
.hero{position:relative;min-height:690px;height:calc(100vh - 140px);max-height:900px;isolation:isolate;overflow:hidden;background:#e7e5dd}.hero-image{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center;z-index:-3}.hero:before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(242,241,232,.92),rgba(242,241,232,.72) 25%,rgba(242,241,232,0) 56%);z-index:-2}.hero .wrap{height:100%;position:relative;min-height:inherit}.hero-copy{padding-top:85px;max-width:600px}.hero h1{font-size:clamp(58px,6.15vw,102px);letter-spacing:-.065em;line-height:1.17;margin:35px 0 25px;font-weight:600}.hero h1 em{font-family:var(--serif);font-weight:400;font-style:italic}.hero-lead{font-size:15px;line-height:1.95;max-width:355px;margin-bottom:30px}.buttons{display:flex;align-items:center;gap:18px;flex-wrap:wrap}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:17px 23px;background:var(--blue);color:#fff;border:1px solid var(--blue);font-size:13px;min-height:51px;transition:background .2s,transform .2s}.button:hover{background:var(--blue-dark);transform:translateY(-2px)}.button.light{background:var(--paper);border-color:var(--line);color:var(--ink)}.button.line{background:transparent;border-color:var(--ink);color:var(--ink)}.text-link{display:inline-flex;align-items:center;gap:24px;font-size:13px;border-bottom:1px solid currentColor;padding:10px 0}.text-link:hover{color:var(--blue)}.hero-foot{position:absolute;left:0;right:0;bottom:27px;display:flex;justify-content:space-between;align-items:flex-end}.hero-coordinate{font-size:10px;letter-spacing:.1em;line-height:1.9}.hero-note{font-size:10px;color:#35403e;margin-top:14px;max-width:240px}.element-pair{display:flex;gap:7px}.element{width:78px;height:85px;background:rgba(245,245,239,.88);border:1px solid rgba(51,65,64,.3);padding:9px 12px;position:relative}.element small{font-size:10px;display:block}.element b{font-family:var(--serif);font-size:33px;font-weight:400;display:block;line-height:1.15}.element span{font-size:8px;letter-spacing:.1em}.hero-stamp{color:var(--ink);display:flex;gap:12px;align-items:center}.hero-stamp .label{writing-mode:vertical-rl;font-size:9px}.marquee-strip{display:grid;grid-template-columns:1.1fr 1fr 1fr 1fr;border-bottom:1px solid var(--line);min-height:75px;align-items:center}.marquee-strip div{padding:10px 25px;border-right:1px solid var(--line);font-size:12px;display:flex;gap:15px;align-items:center}.marquee-strip div:first-child{padding-left:0}.marquee-strip div:last-child{border:0}.marquee-strip span{font-family:var(--serif);font-size:23px;font-style:italic;color:var(--blue)}
.section{padding:100px 0}.section-top{display:grid;grid-template-columns:1fr 1.6fr;gap:60px;margin-bottom:50px}.section-top h2{font-size:clamp(30px,3.4vw,52px);line-height:1.3;letter-spacing:-.045em;margin:0}.section-top .intro{max-width:520px;margin-top:22px;color:var(--muted);font-size:14px}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:40px;gap:30px}.section-heading h2{font-size:40px;letter-spacing:-.04em;margin:16px 0 0}.product-pair{display:grid;grid-template-columns:1fr 1fr;gap:22px}.product-feature{position:relative;min-height:460px;background:#e7ebe4;border:1px solid var(--line);overflow:hidden;padding:30px 35px;display:flex;flex-direction:column;transition:background .3s}.product-feature:hover{background:#dde5da}.product-feature.oxygen{background:#e0e7ee}.product-feature.oxygen:hover{background:#d6e3ed}.product-feature .formula{font-family:var(--serif);font-size:86px;letter-spacing:-7px;line-height:1;color:var(--blue)}.product-feature .formula sub{font-size:40px;letter-spacing:-2px}.product-feature .feature-top{display:flex;justify-content:space-between;align-items:start}.product-feature .feature-top .label{text-align:right;line-height:1.7;color:var(--muted)}.product-feature .equipment{position:absolute;width:62%;height:260px;right:18px;top:75px;transition:transform .6s}.product-feature:hover .equipment{transform:translateY(-8px)}.feature-bottom{margin-top:auto;position:relative;z-index:2}.feature-bottom h3{font-size:26px;margin-bottom:9px;letter-spacing:-.03em}.feature-bottom p{font-size:12px;color:var(--muted);margin-bottom:0;max-width:75%}.round-arrow{position:absolute;bottom:32px;right:32px;border:1px solid #9cabaa;width:45px;height:45px;border-radius:50%;display:grid;place-items:center;font-size:20px}.all-products{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);padding:25px 0;font-size:14px}.all-products span{color:var(--muted);font-size:12px}.all-products b{font-size:22px;font-weight:400}
.process-section{background:var(--ink);color:#edf2e9;position:relative;overflow:hidden}.process-section .eyebrow:before{background:#91b5fa}.process-section .muted{color:#acbbb3}.process-section .text-link{color:#dfe9e1}.process-diagram{display:grid;grid-template-columns:repeat(5,1fr);margin:70px 0 40px;border-top:1px solid #52615b;position:relative}.process-step{position:relative;padding:35px 25px 0 0}.process-step:before{content:"";width:10px;height:10px;background:#8db0f6;position:absolute;top:-6px;left:0;border-radius:50%;box-shadow:0 0 0 8px var(--ink)}.process-step .num{font-family:var(--serif);font-style:italic;font-size:46px;color:#95a99e}.process-step h3{font-size:19px;margin:26px 0 14px}.process-step p{color:#aebdb3;font-size:12px;max-width:190px}.process-bottom{border-top:1px solid #43544b;padding-top:22px;display:flex;justify-content:space-between;gap:25px;align-items:center;font-size:12px;color:#aebdb3}
.industry-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:start}.industry-picture{height:540px;position:relative;background:#dfe5e1;overflow:hidden}.industry-picture img{width:100%;height:100%;object-fit:cover;filter:saturate(.6)}.industry-picture:after{content:"";position:absolute;inset:50% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.5))}.picture-caption{position:absolute;left:28px;bottom:25px;color:#fff;font-size:11px;letter-spacing:.06em;z-index:1}.industry-list a{display:grid;grid-template-columns:35px 1fr 30px;gap:15px;border-top:1px solid var(--line);padding:25px 0;align-items:start}.industry-list a:last-child{border-bottom:1px solid var(--line)}.industry-list .num{font-size:11px;color:var(--muted);padding-top:7px}.industry-list h3{font-size:23px;margin:0 0 8px}.industry-list p{font-size:12px;margin:0;color:var(--muted);line-height:1.7}.industry-list .arrow{font-size:24px}.industry-list a:hover h3,.industry-list a:hover .arrow{color:var(--blue)}.industry-list>a:nth-child(1){padding-top:20px}.industry-list .text-link{display:inline-flex;border-top:0;border-bottom:1px solid;padding:12px 0;font-size:12px;margin-top:20px}
.knowledge{border-top:1px solid var(--line);background:#ecf0e8}.editorial-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:80px}.feature-article{border-top:2px solid var(--ink);padding-top:26px}.feature-article .article-graphic{height:200px;display:flex;align-items:center;gap:35px;margin:15px 0;color:var(--blue)}.article-graphic .big-num{font-size:94px;letter-spacing:-8px;font-family:var(--serif)}.article-graphic .graphic-rule{height:110px;border-left:1px solid #a6b8b0}.article-graphic .micro{font-size:11px;line-height:2;letter-spacing:.04em}.feature-article h3{font-size:27px;line-height:1.5;margin:0 0 12px}.feature-article p{font-size:13px;color:var(--muted)}.article-list a{display:block;padding:24px 0;border-top:1px solid #c6cfc4;position:relative;padding-right:30px}.article-list a:first-child{border-top:2px solid var(--ink)}.article-list h3{font-size:18px;line-height:1.6;margin:13px 0 0}.article-list a:after{content:"↗";position:absolute;right:0;top:45px;font-size:22px}.article-list .label{color:var(--muted)}.news-band{display:grid;grid-template-columns:.7fr 2fr;gap:70px;border-top:1px solid var(--line);padding:50px 0}.news-band h2{font-size:23px;line-height:1.5;margin:12px 0}.news-row{display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid var(--line);padding:22px 0;font-size:14px}.news-row:first-child{padding-top:0}.news-row small{font-size:11px;color:var(--muted);white-space:nowrap}
.cta-section{padding:65px 0;background:var(--blue);color:#fff}.cta-section .wrap{display:flex;align-items:center;justify-content:space-between;gap:40px}.cta-section h2{font-size:43px;line-height:1.35;letter-spacing:-.04em;margin:0 0 16px}.cta-section p{font-size:13px;margin:0;color:#d1ddff}.cta-section .button{border-color:#c0d1fb;background:transparent;min-width:200px}.cta-section .button:hover{background:#fff;color:var(--blue)}.footer{padding:60px 0 20px;background:#eef0e9}.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr 1.2fr;gap:35px;padding-bottom:45px}.footer-brand p{font-size:12px;margin:24px 0;color:var(--muted)}.footer h4{font-size:12px;margin-bottom:22px}.footer-links{display:flex;flex-direction:column;gap:14px;font-size:12px;color:var(--muted)}.footer-links a:hover{color:var(--blue)}.footer-phone{font-family:Arial,sans-serif;font-size:27px;letter-spacing:-1px;white-space:nowrap}.footer-phone.secondary{display:block;font-size:18px;margin:12px 0 20px}.footer address{font-size:12px;line-height:1.8;font-style:normal;color:var(--muted)}.footer-bottom{border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:20px;padding-top:22px;color:var(--muted);font-size:10px;line-height:1.8}.footer-bottom div{display:flex;flex-wrap:wrap;gap:22px}.float-contact{position:fixed;bottom:22px;right:22px;display:flex;align-items:center;gap:15px;background:var(--ink);color:#fff;padding:14px 18px;z-index:30;box-shadow:0 5px 20px #18262620;font-size:12px}.float-contact b{color:#a5c2ff;font-size:17px}.back-top{position:fixed;bottom:80px;right:22px;background:var(--paper);border:1px solid var(--line);padding:8px 13px;z-index:30;opacity:0;pointer-events:none;transition:opacity .2s}.back-top.visible{opacity:1;pointer-events:auto}
.breadcrumbs{font-size:11px;display:flex;gap:12px;align-items:center;padding:28px 0;color:var(--muted);flex-wrap:wrap}.breadcrumbs a:hover{color:var(--blue)}.page-hero{padding:30px 0 65px;border-bottom:1px solid var(--line)}.page-hero h1{font-size:clamp(40px,4.4vw,68px);line-height:1.25;letter-spacing:-.045em;max-width:960px;margin:25px 0}.page-hero p{max-width:660px;color:var(--muted);font-size:15px}.page-hero .hero-line{display:flex;justify-content:space-between;align-items:flex-end;gap:50px}.page-hero .index-number{font-family:var(--serif);font-size:130px;letter-spacing:-8px;font-style:italic;line-height:1;color:#bdcabe}.subnav{display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--line);padding:25px 0}.chip{border:1px solid #cbd3cb;border-radius:0;background:transparent;padding:10px 18px;font-size:12px;display:inline-block;transition:.2s}.chip:hover,.chip.active{background:var(--ink);border-color:var(--ink);color:#fff}.listing-tools{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:35px 0}.listing-tools input{width:340px;max-width:100%;border:0;border-bottom:1px solid #a7b4ab;padding:12px 0;background:transparent;outline-offset:2px}.listing-tools label{display:flex;align-items:center;gap:12px;font-size:12px}.listing-tools .count{font-size:12px;color:var(--muted)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px 23px}.product-card{border-bottom:1px solid var(--line);padding-bottom:25px;position:relative}.product-card .drawing{height:245px;background:#e8ede5;position:relative;overflow:hidden;padding:22px}.product-card .drawing.oxygen{background:#e0e8ef}.product-card .drawing.support{background:#e8e6de}.product-card .drawing svg{height:100%;width:100%;transition:transform .4s}.product-card:hover svg{transform:scale(1.04)}.product-card .drawing .label{position:absolute;left:18px;top:18px;font-size:9px;color:#4f6963}.product-card .tag{font-size:10px;color:var(--blue);display:block;margin:21px 0 12px;letter-spacing:.05em}.product-card h2{font-size:20px;line-height:1.5;margin:0 25px 12px 0}.product-card p{font-size:12px;line-height:1.8;color:var(--muted);margin-bottom:12px}.product-card .card-arrow{position:absolute;right:0;bottom:23px;font-size:23px}.list-bottom{margin:40px 0 0;font-size:12px;color:var(--muted)}.empty-state{padding:45px;border:1px solid var(--line);width:100%;text-align:center}.hidden,[hidden]{display:none!important}
.document-list{margin:0 0 55px}.document-row{display:grid;grid-template-columns:70px 1fr 120px 30px;gap:25px;align-items:center;padding:26px 0;border-bottom:1px solid var(--line)}.document-row .row-index{font-family:var(--serif);font-size:28px;font-style:italic;color:#8c9d91}.document-row h2{font-size:21px;line-height:1.5;margin:0 0 7px}.document-row p{font-size:12px;color:var(--muted);margin:0;max-width:790px}.document-row .row-cat{font-size:11px;color:var(--muted)}.document-row .arrow{font-size:24px}.document-row:hover h2{color:var(--blue)}
.detail-top{display:grid;grid-template-columns:1fr 1fr;gap:65px;padding:35px 0 65px;align-items:center}.detail-top h1{font-size:48px;line-height:1.3;letter-spacing:-.04em;margin:25px 0}.detail-top .lead{font-size:14px;line-height:1.95;color:var(--muted);margin-bottom:30px}.detail-drawing{position:relative;min-height:450px;background:#e7ede4;display:flex;align-items:center;justify-content:center}.detail-drawing.oxygen{background:#e2eaf0}.detail-drawing svg{height:360px;width:85%}.detail-drawing .drawing-caption{position:absolute;left:25px;bottom:22px;font-size:10px;color:var(--muted)}.detail-drawing .drawing-label{position:absolute;top:25px;left:25px;font-size:10px;color:var(--muted)}.detail-drawing .technical-cross{position:absolute;right:24px;top:15px;font-size:25px;font-weight:300;color:#8b9d92}.notice{padding:18px 22px;background:#e8eee2;border-left:2px solid #7b927f;font-size:12px;line-height:1.9;margin:25px 0;color:#536255}.notice.blue{background:#e5ecfa;border-color:var(--blue);color:#364c75}.details-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:90px;padding:60px 0 80px;border-top:1px solid var(--line)}.toc{position:sticky;top:125px;align-self:start}.toc .label{color:var(--muted);display:block;margin-bottom:24px}.toc a{display:block;padding:10px 0;border-bottom:1px solid var(--line);font-size:12px;line-height:1.7}.toc a:hover{color:var(--blue)}.toc .button{color:white;margin-top:25px;padding:15px;border:0;display:flex}.body-content{max-width:850px}.body-content section{margin-bottom:48px;scroll-margin-top:120px}.body-content h2{font-size:28px;line-height:1.5;margin:0 0 20px;letter-spacing:-.025em}.body-content h2 .section-num{font:italic 20px var(--serif);color:#87998a;margin-right:15px}.body-content p{font-size:15px;line-height:2.1;color:#4a5c53}.body-content ul{padding-left:20px;color:#4a5c53;font-size:14px;line-height:2.1}.body-content li{padding:4px 0}.spec-table{width:100%;border-collapse:collapse;font-size:13px}.spec-table th{text-align:left;padding:17px 18px;background:var(--ink);color:#fff;font-weight:400}.spec-table td{padding:19px 18px;border-bottom:1px solid var(--line);line-height:1.8;vertical-align:top}.spec-table td:first-child{width:24%;color:var(--muted)}.spec-table small{display:block;color:var(--muted);line-height:1.7;margin-top:6px}.source-list{border-top:1px solid var(--line);padding-top:24px;margin-top:30px;font-size:11px;color:var(--muted);line-height:1.9}.source-list a{text-decoration:underline;overflow-wrap:anywhere}.source-list ul{padding-left:18px;font-size:11px}.article-head{max-width:1000px;padding:22px 0 55px}.article-head h1{font-size:clamp(32px,4vw,58px);line-height:1.4;letter-spacing:-.035em;margin:25px 0}.article-head .lead{font-size:17px;line-height:1.9;color:var(--muted);max-width:850px}.article-meta{display:flex;gap:25px;font-size:11px;color:var(--muted);margin-top:30px;flex-wrap:wrap}.article-actions{display:flex;gap:10px;margin-top:25px}.article-actions button{font-size:11px;border:1px solid var(--line);background:transparent;padding:10px 18px}.related{background:#eaf0e5;padding:65px 0}.related h2{font-size:28px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.related-grid a{border-top:1px solid #b7c8b6;padding-top:22px;display:flex;flex-direction:column}.related-grid h3{font-size:18px;line-height:1.6;margin:13px 0}.related-grid p{font-size:12px;color:var(--muted);margin-bottom:10px}.related-grid .label{color:var(--muted)}
.solution-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.solution-card{padding:30px;border:1px solid var(--line);display:grid;grid-template-columns:1fr 70px;gap:25px;background:#eef1e9;min-height:215px}.solution-card .gas-symbol{font-family:var(--serif);font-size:52px;font-style:italic;color:#a8b7ab;text-align:right;line-height:1}.solution-card h2{font-size:25px;margin:15px 0}.solution-card p{font-size:13px;color:var(--muted);line-height:1.8}.solution-card:hover{border-color:var(--blue)}.solution-banner{display:grid;grid-template-columns:1fr 1fr;gap:65px;padding:25px 0 65px;align-items:center}.solution-banner h1{font-size:46px;line-height:1.4;letter-spacing:-.04em}.solution-banner p{color:var(--muted)}.solution-banner img{height:365px;width:100%;object-fit:cover;filter:saturate(.6)}.photo-label{font-size:10px;color:var(--muted);margin-top:12px}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;padding:65px 0 100px}.contact-phone{font-size:48px;letter-spacing:-2px;display:block;margin:20px 0 12px}.contact-phone.small{font-size:26px;letter-spacing:0}.address-block{padding-top:30px;margin-top:35px;border-top:1px solid var(--line);max-width:430px}.address-block p{font-size:14px}.contact-card{background:#e9eee3;padding:38px;margin-top:35px}.contact-card h3{font-size:21px}.contact-card p{font-size:13px;color:var(--muted)}.form-panel{border-top:2px solid var(--ink);padding-top:30px}.form-panel h2{font-size:25px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.form-grid .full{grid-column:1/-1}.field{display:flex;flex-direction:column;gap:9px;font-size:12px}.field input,.field select,.field textarea{border:1px solid #c4cec1;border-radius:0;padding:14px;background:#fbfcf7;width:100%;font-size:14px;color:var(--ink);min-width:0}.field textarea{min-height:110px;resize:vertical}.form-note{font-size:11px;color:var(--muted);line-height:1.9}.form-result{font-size:13px;color:var(--blue);line-height:1.8;margin-top:20px}.tool-layout{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:60px 0 90px;align-items:start}.result-panel{background:var(--ink);color:#fff;padding:40px;position:sticky;top:120px}.result-panel .result-number{font-family:var(--serif);font-size:56px;line-height:1.25;margin:20px 0;letter-spacing:-2px}.result-panel p{font-size:13px;color:#b7c9bb}.result-panel dl{font-size:13px;border-top:1px solid #516359}.result-panel dt{color:#abc1b1;margin:22px 0 8px}.result-panel dd{margin:0;line-height:1.8}.result-panel .button{background:transparent;border-color:#9fb8a8;margin-top:20px}.about-hero{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:40px 0 70px}.about-hero h1{font-size:53px;line-height:1.4;letter-spacing:-.05em}.about-hero p{font-size:15px;color:var(--muted)}.about-hero .giant-word{font-family:Arial;font-weight:800;line-height:.9;font-size:130px;letter-spacing:-10px;color:var(--blue);word-break:break-all}.about-hero .giant-word span{display:block;font-size:17px;letter-spacing:9px;margin-top:30px;font-weight:400;color:var(--ink)}.value-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:40px}.value-grid article{border-top:1px solid var(--line);padding-top:28px}.value-grid h3{font-size:23px;margin:24px 0 15px}.value-grid p{font-size:14px;color:var(--muted)}.downloads-list .document-row{grid-template-columns:60px 1fr 110px 30px}.sitemap-group{margin-bottom:45px}.sitemap-group h2{font-size:26px;padding-bottom:20px;border-bottom:1px solid var(--line)}.sitemap-links{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;font-size:13px;line-height:1.7}.sitemap-links a:hover{color:var(--blue)}.search-main{font-size:26px;width:100%;border:0;border-bottom:2px solid var(--ink);background:transparent;padding:22px 0;margin:35px 0}.search-counter{font-size:12px;color:var(--muted);margin-bottom:20px}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;padding:40px 0}.pagination button{border:1px solid var(--line);background:none;padding:12px 18px;font-size:12px}.pagination button:disabled{opacity:.35;cursor:default}.pagination span{font-size:12px;color:var(--muted)}.compare-table{width:100%;border-collapse:collapse;min-width:630px}.compare-table td,.compare-table th{padding:20px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;line-height:1.8}.compare-table th{background:#e0e8dc}.table-scroll{overflow-x:auto}.faq details{border-bottom:1px solid var(--line);padding:25px 0}.faq summary{cursor:pointer;font-size:18px;line-height:1.6}.faq p{font-size:14px;max-width:800px;color:var(--muted);padding-top:20px;margin-bottom:0}
@media(min-width:1700px){.hero-copy{padding-top:110px}.hero-image{object-position:50% 52%}}
@media(max-width:1200px){.wrap{width:calc(100% - 64px)}.header-inner{width:calc(100% - 64px);gap:20px}.nav{gap:18px}.header-cta{display:none}.hero{min-height:640px}.hero-copy{padding-top:75px}.hero h1{font-size:76px}.hero-lead{max-width:310px}.section{padding:75px 0}.industry-grid{gap:40px}.industry-picture{height:490px}.footer-grid{gap:25px}.footer-phone{font-size:23px}.details-layout{gap:50px}.contact-grid{gap:55px}.contact-phone{font-size:40px}.detail-top{gap:40px}.detail-top h1{font-size:40px}}
@media(max-width:960px){.header{height:76px}.header-inner{gap:12px}.nav{gap:15px}.nav a{font-size:12px;padding:29px 0}.brand-cn{font-size:22px}.brand-mark{transform:scale(.85) skew(-14deg)}.hero{height:690px;min-height:0}.hero-copy{padding-top:60px}.hero h1{font-size:66px}.hero:before{background:linear-gradient(90deg,rgba(242,241,232,.96),rgba(242,241,232,.78) 30%,rgba(242,241,232,0) 65%)}.hero-image{object-position:58% center}.hero-lead{max-width:280px;font-size:13px}.hero-coordinate{font-size:8px}.section-top{grid-template-columns:1fr 1.8fr;gap:25px}.section-heading h2{font-size:34px}.feature-bottom h3{font-size:22px}.product-feature{min-height:410px;padding:25px}.product-feature .equipment{width:72%;top:65px;height:250px}.feature-bottom p{max-width:80%}.editorial-grid{gap:35px}.industry-grid{gap:30px;grid-template-columns:1fr 1fr}.industry-picture{height:490px}.industry-list h3{font-size:20px}.industry-list a{gap:8px;padding:20px 0}.product-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:1.4fr 1fr 1fr}.footer-grid>div:last-child{grid-column:1/-1;display:flex;align-items:center;gap:30px;flex-wrap:wrap}.footer-grid>div:last-child h4{display:none}.footer-phone.secondary{margin:0}.footer-bottom{flex-direction:column}.process-step{padding-right:14px}.process-step h3{font-size:16px}.details-layout{grid-template-columns:170px 1fr;gap:30px}.detail-top h1{font-size:36px}.detail-drawing{min-height:360px}.detail-drawing svg{height:300px}.document-row{grid-template-columns:45px 1fr 90px 20px;gap:18px}.document-row h2{font-size:19px}.contact-grid{gap:35px}.contact-phone{font-size:34px}.tool-layout{gap:30px}.result-panel{padding:30px}.about-hero{gap:40px}.about-hero .giant-word{font-size:98px}.about-hero h1{font-size:43px}.news-band{gap:35px}.solution-banner{gap:35px}.solution-banner h1{font-size:38px}.cta-section h2{font-size:35px}}
@media(max-width:760px){.wrap{width:calc(100% - 40px)}.header-inner{width:calc(100% - 40px)}.header{height:72px}.brand-cn{font-size:23px}.brand-en{font-size:7px}.brand{gap:7px}.brand-mark{width:29px}.menu-button{display:block}.header-actions{gap:10px}.icon-button{font-size:21px}.nav{display:none;position:absolute;left:0;right:0;top:71px;background:var(--paper);padding:15px 20px 25px;border-bottom:1px solid var(--line);box-shadow:0 15px 20px #18262610}.nav.open{display:grid;grid-template-columns:1fr 1fr;gap:0 25px}.nav a{padding:17px 0;border-bottom:1px solid var(--line);font-size:14px}.nav a:after{bottom:0}.hero{height:790px;max-height:none;min-height:0}.hero .wrap{min-height:0}.hero-copy{padding-top:37px}.hero h1{font-size:58px;letter-spacing:-.06em;margin:23px 0 18px;line-height:1.15}.hero .eyebrow{font-size:9px;letter-spacing:.1em}.hero-lead{max-width:310px;font-size:12px;line-height:1.9;margin-bottom:22px}.hero-image{height:58%;top:auto;bottom:0;object-fit:cover;object-position:73% center}.hero:before{background:linear-gradient(180deg,#eeeee6 0%,#eeeee6 35%,rgba(238,238,230,.78) 45%,rgba(238,238,230,0) 63%)}.hero .button{padding:13px 19px;font-size:12px;min-height:45px}.hero .text-link{font-size:12px}.hero-foot{bottom:18px}.hero-coordinate{background:rgba(245,245,239,.8);padding:7px 10px;font-size:8px}.hero-note{font-size:8px;max-width:180px;margin:5px 0 0}.hero-stamp{gap:0}.hero-stamp>.label{display:none}.element{width:51px;height:62px;padding:5px 8px}.element small{font-size:8px}.element b{font-size:25px}.element span{font-size:6px}.element-pair{gap:5px}.marquee-strip{grid-template-columns:1fr 1fr;padding:10px 0;gap:0}.marquee-strip div{padding:12px 0;font-size:10px;border:0}.marquee-strip div:nth-child(2n){padding-left:10px}.marquee-strip span{font-size:20px}.section{padding:58px 0}.section-top{grid-template-columns:1fr;gap:23px;margin-bottom:30px}.section-top h2{font-size:33px}.section-top .intro{font-size:13px;margin-top:18px}.section-heading{margin-bottom:28px;align-items:start;gap:10px}.section-heading h2{font-size:29px;line-height:1.3}.section-heading>.text-link{font-size:11px;white-space:nowrap;margin-top:22px;gap:10px}.eyebrow{font-size:9px}.product-pair{grid-template-columns:1fr;gap:16px}.product-feature{min-height:375px;padding:25px}.product-feature .formula{font-size:75px}.product-feature .equipment{width:65%;height:230px;top:45px;right:8px}.feature-bottom h3{font-size:25px}.feature-bottom p{font-size:11px;max-width:82%}.round-arrow{width:36px;height:36px;right:23px;bottom:28px}.all-products{padding:22px 0;font-size:12px;gap:15px}.all-products span{display:none}.process-diagram{grid-template-columns:1fr;margin:25px 0 30px;border-top:0;border-left:1px solid #52615b;margin-left:6px}.process-step{padding:0 0 25px 30px;display:grid;grid-template-columns:45px 1fr;gap:5px 20px}.process-step:before{left:-5px;top:10px;width:8px;height:8px}.process-step .num{font-size:34px;grid-row:1/3}.process-step h3{font-size:18px;margin:5px 0 0}.process-step p{grid-column:2;font-size:12px;max-width:none;margin:0}.process-bottom{display:block;font-size:11px}.process-bottom .text-link{margin-top:10px;font-size:12px}.industry-grid{grid-template-columns:1fr;gap:30px}.industry-picture{height:330px}.industry-list a{padding:22px 0;grid-template-columns:32px 1fr 20px}.industry-list h3{font-size:23px}.industry-list p{font-size:12px}.editorial-grid{grid-template-columns:1fr;gap:30px}.feature-article .article-graphic{height:150px}.article-graphic .big-num{font-size:83px}.feature-article h3{font-size:23px}.article-list h3{font-size:17px}.news-band{grid-template-columns:1fr;gap:15px;padding:40px 0}.news-band h2{font-size:26px}.news-row{font-size:13px;line-height:1.7;gap:15px;align-items:start}.news-row small{font-size:9px}.cta-section{padding:45px 0}.cta-section .wrap{display:block}.cta-section h2{font-size:31px}.cta-section p{font-size:12px;margin-bottom:25px}.cta-section .button{padding:14px 20px;min-width:180px}.footer{padding:40px 0 22px}.footer-grid{grid-template-columns:1fr 1fr;gap:35px 25px}.footer-brand{grid-column:1/-1}.footer-brand p{margin-bottom:0}.footer-grid>div:last-child{display:block}.footer-phone{font-size:31px}.footer-phone.secondary{font-size:20px;margin:12px 0 20px}.footer h4{margin-bottom:18px}.footer-links{font-size:12px}.footer-bottom{font-size:9px;padding-bottom:50px}.float-contact{bottom:12px;right:12px;font-size:11px;padding:12px 15px}.back-top{bottom:65px;right:12px}.page-hero{padding:18px 0 38px}.page-hero h1{font-size:39px;margin:22px 0}.page-hero p{font-size:13px}.page-hero .index-number{font-size:75px;letter-spacing:-4px;display:none}.breadcrumbs{padding:22px 0;font-size:10px;gap:8px}.subnav{gap:6px;padding:20px 0}.chip{padding:9px 12px;font-size:11px}.listing-tools{display:block;padding:25px 0}.listing-tools input{width:100%;font-size:13px}.listing-tools label{display:block}.listing-tools .count{display:block;margin-top:15px;font-size:11px}.product-grid{gap:30px 14px}.product-card .drawing{height:165px;padding:17px 6px}.product-card .drawing .label{font-size:7px;left:10px;top:12px}.product-card h2{font-size:16px;margin-right:0}.product-card p{font-size:11px;line-height:1.7}.product-card .tag{font-size:9px;line-height:1.6;margin:14px 0 8px}.product-card .card-arrow{position:static;display:block;text-align:right;font-size:18px}.document-row{grid-template-columns:26px 1fr 16px;gap:12px;padding:23px 0}.document-row .row-index{font-size:20px}.document-row .row-cat{display:none}.document-row h2{font-size:17px;line-height:1.6}.document-row p{font-size:11px;line-height:1.8}.document-row .arrow{font-size:18px}.detail-top{grid-template-columns:1fr;gap:30px;padding:15px 0 40px}.detail-top h1{font-size:35px;margin:20px 0}.detail-top .lead{font-size:13px}.detail-drawing{min-height:320px}.detail-drawing svg{height:280px}.details-layout{display:block;padding:35px 0 45px}.toc{position:static;margin-bottom:35px;display:flex;flex-wrap:wrap;gap:6px}.toc .label{width:100%;margin:0 0 12px}.toc a{padding:8px 10px;border:1px solid var(--line);font-size:10px}.toc .button{display:none}.body-content section{margin-bottom:35px}.body-content h2{font-size:23px}.body-content p{font-size:14px;line-height:2}.body-content ul{font-size:13px;line-height:1.9}.notice{font-size:11px;padding:15px}.spec-table{font-size:11px}.spec-table th,.spec-table td{padding:13px 10px}.spec-table td:first-child{width:30%}.article-head{padding:15px 0 35px}.article-head h1{font-size:32px}.article-head .lead{font-size:14px}.article-meta{gap:12px;font-size:10px}.related{padding:40px 0}.related-grid{grid-template-columns:1fr;gap:20px}.related-grid h3{font-size:18px}.solution-grid{grid-template-columns:1fr;gap:15px}.solution-card{padding:25px;min-height:0;gap:15px}.solution-card h2{font-size:23px}.solution-banner{grid-template-columns:1fr;gap:25px;padding:20px 0 40px}.solution-banner h1{font-size:36px}.solution-banner img{height:270px}.solution-banner p{font-size:14px}.contact-grid{grid-template-columns:1fr;gap:45px;padding:35px 0 60px}.contact-phone{font-size:41px}.contact-phone.small{font-size:27px}.contact-card{padding:25px}.form-grid{gap:18px 14px}.field{font-size:11px}.field input,.field select,.field textarea{padding:12px;font-size:13px}.tool-layout{grid-template-columns:1fr;gap:30px;padding:35px 0 55px}.result-panel{position:static;padding:28px}.result-panel .result-number{font-size:44px}.about-hero{grid-template-columns:1fr;gap:35px;padding:20px 0 45px}.about-hero h1{font-size:38px}.about-hero .giant-word{font-size:100px;letter-spacing:-7px;max-width:350px}.about-hero .giant-word span{font-size:12px;letter-spacing:6px}.value-grid{grid-template-columns:1fr;gap:30px}.value-grid h3{font-size:22px;margin-top:20px}.downloads-list .document-row{grid-template-columns:28px 1fr 25px}.downloads-list .file-type{display:none}.sitemap-links{grid-template-columns:1fr 1fr;gap:15px;font-size:11px}.search-main{font-size:19px}.faq summary{font-size:16px}.faq p{font-size:13px}.search-counter{font-size:11px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{transition:none!important;animation:none!important}}
@media print{.header,.footer,.cta-section,.float-contact,.back-top,.toc,.related,.article-actions,.breadcrumbs{display:none!important}body{background:white;color:#111}.wrap{width:100%}.details-layout{display:block;border:0;padding:0}.body-content{max-width:none}.article-head h1{font-size:28px}.body-content p{font-size:12px}.body-content h2{font-size:20px}.body-content section{break-inside:avoid}.detail-top{grid-template-columns:1fr 1fr}.notice{border:1px solid #aaa}.source-list a{overflow-wrap:anywhere}.page-hero{padding:20px 0}.section{padding:20px 0}}
/* Original photographic direction: all equipment visuals are source photographs. */
.hero{background:var(--paper)}.hero:before{display:none}.hero-image{left:49%;top:26px;width:51%;height:calc(100% - 52px);object-position:66% center}.hero-copy{max-width:47%}.hero-coordinate{color:var(--ink)}.hero-stamp{padding:10px;background:rgba(245,245,239,.78)}.hero-note{max-width:320px}.product-feature .equipment{width:75%;right:8px;top:60px;height:270px;display:flex;justify-content:center;align-items:center}.product-feature .equipment img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply}.product-card .drawing{display:flex;align-items:center;justify-content:center;background:#f0f2ec}.product-card .drawing img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .4s}.product-card:hover .drawing img{transform:scale(1.035)}.product-card .drawing .label{background:rgba(245,245,239,.82);padding:4px 6px;z-index:1}.detail-drawing{background:#eef1e9;padding:50px 20px 70px}.detail-drawing .product-photo{width:auto;height:auto;max-width:100%;max-height:365px;object-fit:contain;mix-blend-mode:multiply}.detail-drawing .drawing-caption{right:20px;max-width:85%;font-size:10px;line-height:1.7;bottom:18px}.source-list h3{font-size:16px;line-height:1.7}.source-list p{font-size:12px}
@media(max-width:960px){.hero-image{left:48%;width:52%}.hero h1{font-size:62px}.hero-copy{max-width:46%}.product-feature .equipment{height:235px;top:60px}.detail-drawing .product-photo{max-height:285px}}
@media(max-width:760px){.hero{height:820px}.hero-copy{max-width:100%;padding-top:37px}.hero h1{font-size:58px}.hero-image{top:auto;left:0;bottom:0;width:100%;height:46%;object-position:65% center}.hero-coordinate{background:rgba(245,245,239,.88)}.hero-note{max-width:185px;padding:4px 7px;background:rgba(245,245,239,.88);font-size:8px}.hero-stamp{padding:0;background:transparent}.product-feature .equipment{top:55px;height:225px;width:75%}.detail-drawing{min-height:330px;padding:45px 20px 70px}.detail-drawing .product-photo{max-height:260px}.detail-drawing .drawing-caption{font-size:9px}}
/* Typography revision — readable engineering content in both site languages. */
:root{--muted:#4e6258;--sans:"Microsoft YaHei","PingFang SC",Arial,sans-serif}
body{font-size:17px;font-weight:400;line-height:1.75;-webkit-font-smoothing:auto;text-rendering:optimizeLegibility}
html[lang^="en"]{--sans:Arial,"Helvetica Neue",sans-serif}
h1,h2,h3,h4{font-weight:700}p{line-height:1.85}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:5px}
.eyebrow,.label{font-size:13px;font-weight:700;letter-spacing:.07em;line-height:1.65}.header-inner{gap:22px}.brand-en{font-size:10px;letter-spacing:2.2px}.nav{gap:23px}.nav a{font-size:16px;font-weight:600;padding:32px 0;line-height:1.6}.header-cta{font-size:14px;font-weight:600;padding-left:18px}.header-actions{gap:14px}.menu-button{font-size:16px;font-weight:600;min-height:44px}.icon-button{min-width:44px;min-height:44px}.language-switch,.language-toggle,.lang-switch,.lang-toggle{font-size:14px;font-weight:700;min-height:44px;display:inline-flex;align-items:center;gap:5px}
.hero h1{font-weight:700;letter-spacing:-.055em}.hero-lead{font-size:18px;line-height:1.85;max-width:440px}.button{font-size:16px;font-weight:600;line-height:1.6;min-height:54px;gap:22px}.text-link{font-size:16px;font-weight:600;line-height:1.6}.hero-coordinate{font-size:12px;letter-spacing:.035em;font-weight:600}.hero-note{font-size:12px;line-height:1.7;max-width:340px}.element{width:82px;height:90px}.element small{font-size:12px}.element span{font-size:10px;letter-spacing:.04em}.hero-stamp .label{font-size:11px}.marquee-strip div{font-size:15px;font-weight:600;line-height:1.65;padding-right:20px}.section-top .intro{font-size:17px;line-height:1.9}.section-heading h2{font-weight:700}.feature-bottom h3{font-size:29px;line-height:1.45}.feature-bottom p{font-size:15px;line-height:1.85;max-width:83%}.product-feature{min-height:490px}.all-products{font-size:17px;font-weight:600}.all-products span{font-size:14px;font-weight:400}.process-step h3{font-size:21px;line-height:1.5}.process-step p{font-size:15px;line-height:1.85;max-width:215px;color:#c5d2ca}.process-bottom{font-size:14px;color:#c5d2ca}.picture-caption{font-size:14px;line-height:1.75;letter-spacing:.02em}.industry-list .num{font-size:14px}.industry-list h3{font-size:25px}.industry-list p{font-size:15px;line-height:1.8}.industry-list .text-link{font-size:16px}.article-graphic .micro{font-size:14px;line-height:1.85}.feature-article h3{font-size:29px}.feature-article p{font-size:16px}.article-list h3{font-size:21px;line-height:1.65}.news-row{font-size:17px;line-height:1.7}.news-row small{font-size:13px}.cta-section p{font-size:17px;line-height:1.8;color:#eef3ff}.footer h4{font-size:16px;font-weight:700}.footer-brand p,.footer address{font-size:15px;line-height:1.85}.footer-links{font-size:15px;gap:13px}.footer-links a{line-height:1.7}.footer-bottom{font-size:13px;line-height:1.85}.float-contact{font-size:15px;font-weight:600}.back-top{font-size:16px;min-width:44px;min-height:44px}
.breadcrumbs{font-size:14px;line-height:1.8}.page-hero p{font-size:18px;line-height:1.85;max-width:760px}.chip{font-size:15px;font-weight:600;line-height:1.6;min-height:46px}.listing-tools label,.listing-tools .count{font-size:15px}.listing-tools input{font-size:17px}.product-card .drawing .label{font-size:12px;line-height:1.6;color:#36544a}.product-card .tag{font-size:13px;font-weight:700;letter-spacing:.025em}.product-card h2{font-size:23px;line-height:1.5}.product-card p{font-size:16px;line-height:1.85}.list-bottom{font-size:15px;line-height:1.8}.document-row h2{font-size:24px;line-height:1.5}.document-row p{font-size:16px;line-height:1.85}.document-row .row-cat{font-size:14px;line-height:1.7}.detail-top .lead{font-size:18px;line-height:1.85}.detail-drawing .drawing-caption{font-size:12px;line-height:1.75;max-width:90%}.notice{font-size:15px;line-height:1.85;color:#3c5046}.details-layout{grid-template-columns:235px minmax(0,1fr);gap:65px}.toc .label{font-size:14px}.toc a{font-size:15px;line-height:1.7;padding:12px 0;font-weight:500}.toc .button{font-size:16px;padding:14px 17px}.body-content h2{font-size:31px;line-height:1.5}.body-content h3{font-size:23px;line-height:1.6}.body-content p{font-size:18px;line-height:1.95;color:#324a3e}.body-content ul,.body-content ol{font-size:17px;line-height:1.95;color:#324a3e}.body-content li{padding:5px 0}.spec-table{font-size:16px;line-height:1.75}.spec-table th{font-weight:700}.spec-table small{display:block;font-size:14px;line-height:1.7;color:#4e6258;margin-top:5px}.source-list,.source-list ul{font-size:14px;line-height:1.85}.source-list h3{font-size:19px}.source-list p{font-size:14px;line-height:1.85}.article-head .lead{font-size:20px;line-height:1.85}.article-meta{font-size:14px;line-height:1.8}.article-actions button{font-size:14px;font-weight:600;min-height:44px}.related-grid h3{font-size:22px;line-height:1.5}.related-grid p{font-size:16px;line-height:1.8}.solution-card h2{font-size:28px;line-height:1.45}.solution-card p{font-size:16px;line-height:1.85}.solution-banner p{font-size:18px;line-height:1.85}.field{font-size:15px;line-height:1.7;font-weight:600}.field input,.field select,.field textarea{font-size:17px;font-weight:400;line-height:1.6;min-height:50px}.field small,.form-note,.form-status{font-size:14px;line-height:1.8}.result-panel p,.result-panel dl{font-size:16px;line-height:1.85}.about-hero p{font-size:18px;line-height:1.85}.value-grid p{font-size:17px;line-height:1.85}.sitemap-links{font-size:16px;line-height:1.8}.search-counter{font-size:15px}.pagination button,.pagination span{font-size:15px;min-height:44px}.compare-table{font-size:16px;line-height:1.8}.faq summary{font-size:21px;line-height:1.7}.faq p{font-size:17px;line-height:1.9}
html[lang^="en"] .hero h1{font-size:clamp(48px,5.2vw,83px);letter-spacing:-.055em;line-height:1.06}html[lang^="en"] .brand-en{letter-spacing:1px}html[lang^="en"] .nav{gap:18px}html[lang^="en"] .nav a{font-size:15px}html[lang^="en"] .hero-copy{padding-top:65px}html[lang^="en"] .hero-lead{font-size:18px;line-height:1.65}html[lang^="en"] .product-card h2{font-size:23px;line-height:1.35}html[lang^="en"] .body-content p,html[lang^="en"] .body-content ul{line-height:1.85}html[lang^="en"] .eyebrow,html[lang^="en"] .label{letter-spacing:.04em}html[lang^="en"] .hero-note{max-width:370px}
@media(min-width:1101px) and (max-width:1350px){.header-inner{width:calc(100% - 64px);gap:18px}.nav{gap:17px}.nav a{font-size:15px}.header-cta{display:none}.header-actions{gap:8px}html[lang^="en"] .nav{gap:15px}html[lang^="en"] .nav a{font-size:14px}}
@media(max-width:1100px){.header{height:80px}.header-inner{gap:16px}.menu-button{display:block}.header-cta{display:none}.nav{display:none;position:absolute;left:0;right:0;top:100%;background:var(--paper);padding:12px 32px 24px;border-bottom:1px solid var(--line);box-shadow:0 15px 20px #18262610;max-height:calc(100dvh - 80px);overflow:auto}.nav.open{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:0 25px}.nav a,html[lang^="en"] .nav a{font-size:17px;font-weight:600;padding:17px 0;border-bottom:1px solid var(--line);white-space:normal;line-height:1.5}.nav a:after{bottom:0}.header-actions{margin-left:auto}.hero-lead{font-size:17px}.process-step h3{font-size:19px}.process-step p{font-size:14px}.details-layout{grid-template-columns:195px minmax(0,1fr);gap:35px}.toc a{font-size:14px}.footer-grid{gap:35px 25px}.hero-note{max-width:300px}html[lang^="en"] .hero h1{font-size:58px}html[lang^="en"] .hero-copy{padding-top:45px}.product-feature{min-height:480px}}
@media(max-width:760px){body{font-size:16px}.header{height:76px}.brand-cn{font-size:24px}.brand-en{font-size:9px;letter-spacing:1.8px}.header-actions{gap:5px}.header-inner{gap:10px}.nav{padding:10px 20px 20px;max-height:calc(100dvh - 76px)}.nav.open{grid-template-columns:1fr 1fr;gap:0 22px}.nav a,html[lang^="en"] .nav a{font-size:16px;padding:16px 0}.language-switch,.language-toggle,.lang-switch,.lang-toggle{font-size:13px}.hero{height:920px}.hero-copy{padding-top:35px}.hero .eyebrow,.eyebrow,.label{font-size:12px;letter-spacing:.05em}.hero h1{font-size:58px;line-height:1.15}.hero-lead{font-size:17px;line-height:1.8;max-width:370px;margin-bottom:24px}.hero .button{font-size:15px;min-height:50px;padding:13px 17px}.hero .text-link{font-size:15px}.hero-image{height:42%}.hero-coordinate{font-size:11px;letter-spacing:.01em}.hero-note{font-size:11px;line-height:1.6;max-width:220px}.element{width:60px;height:77px;padding:7px}.element small{font-size:11px}.element b{font-size:28px}.element span{font-size:9px;letter-spacing:0}.marquee-strip div{font-size:13px;line-height:1.6;gap:10px;padding:13px 5px}.section-top .intro{font-size:16px;line-height:1.85}.section-heading h2{font-size:30px}.section-heading>.text-link{font-size:14px;margin-top:17px}.product-feature{min-height:425px;padding:25px}.feature-bottom h3{font-size:27px}.feature-bottom p{font-size:15px;line-height:1.8;max-width:82%}.all-products{font-size:16px}.text-link{font-size:15px}.process-step h3{font-size:21px}.process-step p{font-size:15px;line-height:1.85}.process-bottom{font-size:14px}.process-bottom .text-link{font-size:15px}.picture-caption{font-size:13px;left:20px;right:20px;bottom:20px}.industry-list h3{font-size:25px}.industry-list p{font-size:15px}.industry-list .num{font-size:13px}.feature-article h3{font-size:25px}.feature-article p{font-size:16px}.article-list h3{font-size:20px}.article-graphic .micro{font-size:13px}.news-row{font-size:16px;gap:12px}.news-row small{font-size:12px}.cta-section h2{font-size:33px}.cta-section p{font-size:16px}.footer-links{font-size:15px;gap:12px}.footer h4{font-size:16px}.footer-brand p,.footer address{font-size:14px}.footer-bottom{font-size:12px;gap:15px;padding-bottom:65px}.footer-bottom div{gap:12px 20px}.float-contact{font-size:14px;padding:13px 16px}.page-hero h1{font-size:40px;line-height:1.3}.page-hero p{font-size:17px;line-height:1.85}.breadcrumbs{font-size:13px;line-height:1.7}.chip{font-size:14px;padding:10px 14px;min-height:44px}.listing-tools input{font-size:16px}.listing-tools label,.listing-tools .count{font-size:14px}.product-grid{gap:32px 20px}.product-card .drawing{height:210px;padding:25px 10px}.product-card .drawing .label{font-size:11px;top:12px;left:12px}.product-card .tag{font-size:12px;line-height:1.65}.product-card h2{font-size:21px;line-height:1.5}.product-card p{font-size:15px;line-height:1.85}.document-row{gap:12px}.document-row h2{font-size:20px;line-height:1.55}.document-row p{font-size:15px;line-height:1.85}.detail-top h1{font-size:36px;line-height:1.35}.detail-top .lead{font-size:17px;line-height:1.85}.detail-drawing{padding-bottom:90px;min-height:365px}.detail-drawing .drawing-caption{font-size:12px;line-height:1.65;left:20px;right:20px;max-width:none}.toc .label{font-size:13px}.toc a{font-size:14px;line-height:1.7;padding:10px 12px}.body-content h2{font-size:26px;line-height:1.5}.body-content h3{font-size:22px}.body-content p{font-size:17px;line-height:1.95}.body-content ul,.body-content ol{font-size:16px;line-height:1.9}.notice{font-size:14px;line-height:1.85}.spec-table{font-size:14px;line-height:1.8;overflow-wrap:anywhere}.spec-table th,.spec-table td{padding:14px 10px}.spec-table small{font-size:13px;line-height:1.75}.article-head h1{font-size:34px;line-height:1.4}.article-head .lead{font-size:18px;line-height:1.85}.article-meta{font-size:13px;gap:10px}.article-actions button{font-size:14px}.related-grid h3{font-size:21px}.related-grid p{font-size:15px}.solution-card h2{font-size:26px}.solution-card p{font-size:16px}.solution-banner h1{font-size:36px;line-height:1.3}.solution-banner p{font-size:17px}.field{font-size:15px}.field input,.field select,.field textarea{font-size:16px;padding:13px;min-height:50px}.field small,.form-note,.form-status{font-size:14px}.result-panel p,.result-panel dl{font-size:15px}.about-hero p,.value-grid p{font-size:17px}.about-hero .giant-word span{font-size:14px;letter-spacing:4px}.sitemap-links{font-size:15px;gap:18px}.search-counter{font-size:14px}.faq summary{font-size:19px}.faq p{font-size:16px}html[lang^="en"] .hero h1{font-size:52px;line-height:1.07}html[lang^="en"] .hero-copy{padding-top:35px}html[lang^="en"] .hero-lead{font-size:17px;line-height:1.7}html[lang^="en"] .hero-note{max-width:225px}html[lang^="en"] .product-card h2{font-size:22px}html[lang^="en"] .page-hero h1,html[lang^="en"] .detail-top h1{font-size:36px;line-height:1.2}}
@media(max-width:540px){.product-grid{grid-template-columns:1fr}.product-card .drawing{height:270px}.product-card h2{font-size:24px}.product-card p{font-size:16px}.product-card .card-arrow{position:absolute;font-size:24px}.product-card{padding-bottom:30px}.product-card .tag{font-size:13px}.product-card h2,.product-card p{margin-right:30px}.hero{height:920px}.hero h1{font-size:54px}.hero-coordinate{max-width:205px}.hero-note{max-width:205px}.hero-stamp{padding:0}.element-pair{gap:4px}.element{width:56px}.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.section-heading{flex-wrap:wrap;gap:8px}.section-heading>.text-link{margin-top:0}.news-row{flex-wrap:wrap}.news-row small{font-size:12px}.solution-card{padding:24px}.footer-grid{gap:30px 20px}html[lang^="en"] .hero h1{font-size:48px}html[lang^="en"] .hero-note{max-width:205px}}
@media print{body{font-size:12pt}.body-content p,.body-content ul,.body-content ol{font-size:11pt;line-height:1.7}.body-content h2{font-size:18pt}.spec-table{font-size:10pt}.notice,.source-list,.source-list p,.source-list ul{font-size:9pt}.hero{height:auto}.hero-copy{max-width:none}.hero-image{position:static;width:100%;height:auto}.details-layout{display:block}.page-hero p,.detail-top .lead{font-size:12pt}}
/* Strong sans-serif headings, informed by the requested RFI reading weight. */
.pagination{flex-wrap:wrap}.solution-card>div{min-width:0}.solution-card h2{overflow-wrap:anywhere;hyphens:auto}@media(max-width:760px){.solution-grid{grid-template-columns:minmax(0,1fr)}.solution-card{grid-template-columns:minmax(0,1fr) 48px}}
h1,h2,h3,h4,.hero h1,.section-heading h2{font-family:var(--sans);font-weight:800}.hero h1 em,.page-hero h1 em,.section-top h2 em,.section-heading h2 em,.about-hero h1 em{font-family:var(--sans);font-weight:800;font-style:normal}.nav a,.footer h4,.product-card h2,.article-list h3,.document-row h2{font-weight:700}
.inquiry-trap{position:absolute!important;left:-10000px!important;top:auto!important;width:1px!important;height:1px!important;overflow:hidden!important;clip-path:inset(50%)!important;white-space:nowrap!important}.consent-label{display:block;font-size:15px;font-weight:400;line-height:1.8}.consent-label input[type="checkbox"]{display:inline-block;width:18px;height:18px;min-height:0;padding:0;margin:0 9px 0 0;vertical-align:-3px;accent-color:var(--blue)}#inquiry-source{overflow-wrap:anywhere;font-size:14px;line-height:1.75}.header-actions .language-switch{padding:7px 9px;line-height:1.3;white-space:nowrap;flex-shrink:0;border:1px solid var(--line);color:var(--ink)}@media(max-width:540px){.header-inner{gap:5px}.header-actions{gap:3px}.header-actions .language-switch{font-size:12px;padding:7px 6px;max-width:76px;white-space:normal;text-align:center}.menu-button{padding:9px 7px}.brand{flex-shrink:0}.consent-label{font-size:14px}}

/* Shared presentation classes previously repeated in page markup. */
.text-brand{color:var(--blue)}.not-found-title{font-size:60px;margin-top:35px}.space-60{height:60px}.space-65{height:65px}.mb-60{margin-bottom:60px}.m-0{margin:0}.pt-20{padding-top:20px}.consent-layout{display:block;line-height:1.8}.consent-checkbox{width:auto;vertical-align:middle;margin-right:6px}

.selection-heading{font-size:34px}.mt-25{margin-top:25px}.result-caption{font:13px var(--sans);display:block;letter-spacing:0;margin-top:12px}
.product-line-nav{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;padding:28px 0 34px;border-bottom:1px solid var(--line);margin-bottom:24px}.product-line-nav h2{font-size:19px;margin:0 0 14px}.product-line-nav ul{list-style:none;margin:0;padding:0}.product-line-nav li{margin:10px 0;font-size:15px;line-height:1.65}.product-line-nav a:hover{color:var(--blue);text-decoration:underline}.product-line-nav a:focus-visible{outline:2px solid var(--blue);outline-offset:4px}
@media(max-width:900px){.product-line-nav{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:540px){.product-line-nav{grid-template-columns:1fr;gap:18px}.product-line-nav h2{font-size:20px}.product-line-nav li{font-size:16px}}