:root{
  --orange:#ff5b00;
  --orange-2:#ff7a2a;
  --ink:#121619;
  --charcoal:#171c20;
  --charcoal-2:#0d1114;
  --steel:#e7e8e8;
  --silver:#f3f4f4;
  --line:#d9dcde;
  --muted:#687077;
  --white:#fff;
  --max:1440px;
  --shadow:0 12px 36px rgba(17,22,25,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:Inter,Arial,Helvetica,sans-serif;color:var(--ink);background:#fff;line-height:1.45;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{display:block;max-width:100%}
button,input,select,textarea{font:inherit}
.metal-surface,.products-section,.process,.global-main,.rfq-strip{
  background-color:#f2f3f3;
  background-image:
    linear-gradient(100deg,rgba(255,255,255,.72),rgba(202,205,207,.16) 46%,rgba(255,255,255,.58)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.3) 0,rgba(255,255,255,.3) 1px,rgba(120,125,128,.025) 2px,transparent 3px);
}
.container{width:min(var(--max),calc(100% - 64px));margin:auto}
.eyebrow{font-size:12px;letter-spacing:.08em;font-weight:800;color:var(--orange);text-transform:uppercase}
.section-title{font-size:clamp(28px,3.2vw,48px);line-height:1.02;margin:10px 0 14px;letter-spacing:-.035em}
.section-copy{color:var(--muted);max-width:650px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:14px;min-height:48px;padding:0 22px;border:1px solid #b9bec1;background:white;color:#111;font-weight:800;font-size:13px;letter-spacing:.01em;cursor:pointer;transition:.2s}
.btn:hover{transform:translateY(-1px);border-color:var(--orange)}
.btn-primary{background:var(--orange);color:white;border-color:var(--orange)}
.btn-dark{background:#171c20;color:#fff;border-color:#4f565b}
.btn-lg{min-height:56px;padding:0 30px}
.orange{color:var(--orange)}

/* Header */
.site-header{height:82px;background-color:rgba(242,243,243,.97);background-image:linear-gradient(100deg,rgba(255,255,255,.8),rgba(205,208,210,.22),rgba(255,255,255,.74)),repeating-linear-gradient(0deg,rgba(255,255,255,.35) 0,rgba(255,255,255,.35) 1px,rgba(100,105,108,.035) 2px,transparent 3px);backdrop-filter:blur(12px);border-bottom:1px solid #cdd1d3;position:sticky;top:0;z-index:50}
.header-inner{height:100%;display:grid;grid-template-columns:minmax(210px,260px) 1fr auto;align-items:center;gap:22px}
.brand{display:flex;align-items:center;width:max-content}
.brand .brand-lockup{width:218px;height:auto;max-height:62px;object-fit:contain;object-position:left center}
.main-nav{display:flex;align-items:center;justify-content:center;gap:clamp(18px,2vw,34px);height:100%;font-size:13px;font-weight:800}
.main-nav a{height:100%;display:flex;align-items:center;position:relative;white-space:nowrap}
.main-nav a:hover,.main-nav a.active{color:#111}
.main-nav a.active:after{content:"";position:absolute;height:3px;background:var(--orange);left:0;right:0;bottom:19px}
.header-actions{display:flex;align-items:center;gap:18px}
.lang{font-size:13px;font-weight:800;white-space:nowrap;border:0;background:transparent;color:#171c20;padding:10px 2px;cursor:pointer}
.quote-btn{min-height:48px;padding:0 20px;background:var(--orange);color:white;font-weight:800;font-size:12px;display:flex;align-items:center;gap:12px;white-space:nowrap}
.menu-toggle{display:none;background:none;border:0;font-size:26px}

/* Home hero */
.hero{background-color:#e8eaeb;background-image:linear-gradient(108deg,rgba(246,247,247,.96) 0 42%,#171c20 42.1%),repeating-linear-gradient(0deg,rgba(255,255,255,.35) 0,rgba(255,255,255,.35) 1px,rgba(112,117,120,.035) 2px,transparent 3px);min-height:650px;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;left:35%;top:0;width:15%;height:100%;background:linear-gradient(118deg,transparent 0 40%,rgba(231,233,234,.98) 46%,rgba(164,169,172,.92) 52%,rgba(83,89,93,.82) 57%,#171c20 64%);pointer-events:none}
.hero-inner{min-height:650px;display:grid;grid-template-columns:43% 57%;position:relative;z-index:2}
.hero-copy{padding:70px 32px 52px 0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center}
.hero h1{font-size:clamp(46px,4.4vw,70px);line-height:.95;letter-spacing:-.05em;margin:8px 0 20px;max-width:620px}
.hero p{font-size:16px;color:#383e42;max-width:450px;margin:0 0 30px}
.hero-actions{display:flex;gap:12px;margin-bottom:38px}
.hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;width:100%;max-width:430px}
.hero-point{display:grid;grid-template-columns:28px minmax(0,1fr);column-gap:8px;align-items:center;border-right:1px solid #aeb2b4;padding-right:10px;min-width:0}
.hero-point:last-child{border-right:0}
.hero-point:nth-child(3){grid-column:1/-1;max-width:210px}
.hero-point .icon{font-size:22px;color:#1b2023}
.hero-point b{font-size:11px;text-transform:uppercase}
.hero-point small{font-size:10px;line-height:1.3;color:#5b6267;grid-column:2}
.hero-media{display:flex;align-items:center;justify-content:center;padding:42px 0 42px 58px}
.hero-media img{width:100%;height:566px;object-fit:cover;object-position:58% center;border:1px solid rgba(255,255,255,.2);box-shadow:0 24px 60px rgba(0,0,0,.28)}

/* Products */
.products-section{padding:64px 0 72px}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}
.section-head h2{font-size:28px;margin:5px 0 0;letter-spacing:-.02em}
.text-link{font-size:12px;font-weight:800;color:var(--orange);border-bottom:1px solid var(--orange);padding-bottom:6px;text-transform:uppercase}
.product-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.product-card{border:1px solid #cbd0d2;background:rgba(255,255,255,.82);min-height:340px;padding:16px;display:flex;flex-direction:column;transition:.2s}
.product-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#c9cdcf}
.product-card img{width:100%;height:190px;object-fit:contain;object-position:center;margin-bottom:18px;image-rendering:auto;filter:contrast(1.04) saturate(.92);background:linear-gradient(135deg,#fafafa,#e6e8e9);padding:7px}
.product-card h3{font-size:18px;line-height:1.1;margin:0 0 7px}
.product-card p{font-size:12px;color:#50575c;margin:0 0 18px}
.card-link{font-size:12px;color:var(--orange);font-weight:900;margin-top:auto}

.stats-strip{background:linear-gradient(90deg,#0e1215,#1d2226,#0e1215);color:#fff}
.stats{min-height:96px;display:grid;grid-template-columns:repeat(4,1fr);align-items:center}
.stat{display:flex;align-items:center;justify-content:center;gap:18px;border-right:1px solid #3e454a}
.stat:last-child{border-right:0}
.stat .stat-icon{font-size:38px;color:var(--orange)}
.stat strong{display:block;color:var(--orange);font-size:28px}
.stat small{color:#c2c7ca}

.split-section{display:grid;grid-template-columns:1.1fr .9fr;min-height:440px;background-color:#e9ebeb;background-image:linear-gradient(100deg,rgba(250,250,250,.84),rgba(210,212,213,.58)),repeating-linear-gradient(0deg,rgba(255,255,255,.3) 0,rgba(255,255,255,.3) 1px,rgba(120,125,128,.035) 2px,transparent 3px)}
.split-media img{width:100%;height:100%;min-height:440px;object-fit:cover;object-position:center;filter:contrast(1.035) saturate(.9)}
.split-copy{padding:70px 8vw;display:flex;flex-direction:column;justify-content:center}
.split-copy h2{font-size:40px;line-height:1.02;margin:8px 0 18px}
.split-copy p{color:#555d62;max-width:560px}

.precision-banner{
  min-height:390px;
  position:relative;
  overflow:hidden;
  background-color:#e7e9ea;
  background-image:
    linear-gradient(101deg,#f3f4f4 0%,rgba(239,241,241,.99) 27%,rgba(224,227,228,.95) 38%,rgba(205,209,211,.72) 47%,rgba(205,209,211,.18) 57%,transparent 66%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.22) 0,rgba(255,255,255,.22) 1px,rgba(85,91,95,.028) 2px,transparent 3px),
    url('../img/factory-line-banner-v2.jpg');
  background-size:cover,auto,cover;
  background-position:center,center,center;
  background-repeat:no-repeat,repeat,no-repeat;
}
.precision-banner-inner{min-height:390px;display:flex;align-items:center}
.precision-banner-copy{max-width:390px;padding:56px 0;position:relative;z-index:2}
.precision-banner-copy h2{font-size:42px;line-height:1.02;letter-spacing:-.035em;margin:8px 0 18px}
.precision-banner-copy p{max-width:340px;color:#454c51;margin:0 0 24px}

.industries{padding:55px 0 60px;background:#111619;color:white}
.industries .section-head{margin-bottom:22px}
.industry-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}
.industry-card{height:190px;position:relative;overflow:hidden;border:1px solid #3b4247}
.industry-card img{width:100%;height:100%;object-fit:cover;filter:brightness(.78) contrast(1.07);transition:transform .35s ease}
.industry-card:hover img{transform:scale(1.025)}
.industry-card:after{content:"";position:absolute;inset:40% 0 0;background:linear-gradient(transparent,rgba(0,0,0,.78))}
.industry-card span{position:absolute;left:15px;bottom:14px;z-index:2;font-size:13px;font-weight:900;text-transform:uppercase}

.global-preview{background:#f3f4f4;padding:60px 0}
.global-preview-grid{display:grid;grid-template-columns:34% 66%;align-items:center;gap:40px}
.global-preview .map-img{width:100%;height:370px;object-fit:contain}

.rfq-strip{padding:24px 0;background:#efefef;border-top:1px solid #d6d8da;border-bottom:1px solid #d6d8da}
.rfq-row{display:grid;grid-template-columns:1.5fr auto auto 1fr;align-items:center;gap:14px}
.rfq-row h3{margin:0;font-size:21px}
.rfq-row p{margin:3px 0 0;color:#646c72;font-size:13px}

/* Generic page hero */
.page-hero{height:245px;color:white;background:#151a1e;position:relative;overflow:hidden}
.page-hero .container{height:100%;display:flex;flex-direction:column;justify-content:center;position:relative;z-index:2}
.page-hero h1{font-size:48px;margin:0 0 8px;letter-spacing:-.03em}
.page-hero p{margin:0;max-width:590px;color:#cfd3d6}
.page-hero.with-image:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,16,18,.98) 0 46%,rgba(12,16,18,.35) 70%,rgba(12,16,18,.1)),var(--hero-bg) center/cover no-repeat}

/* Products page */
.product-catalog{padding:55px 0 75px;background:#f4f5f5}
.catalog-layout{display:grid;grid-template-columns:240px 1fr;gap:36px}
.catalog-menu{border:1px solid var(--line);align-self:start;position:sticky;top:105px;background:#fff;z-index:5}
.catalog-menu a{display:block;padding:15px 17px;border-bottom:1px solid #e5e6e6;font-size:13px;font-weight:700}
.catalog-menu a.active,.catalog-menu a:hover{background:#fff4ed;color:var(--orange)}
.catalog-content{min-width:0}
.catalog-section{scroll-margin-top:112px;margin-bottom:52px}
.catalog-section:last-child{margin-bottom:0}
.catalog-section-head{display:flex;justify-content:space-between;align-items:end;gap:22px;margin-bottom:18px}
.catalog-section-head h2{font-size:28px;line-height:1.05;margin:5px 0}
.catalog-section-head p{margin:0;color:var(--muted);font-size:13px;max-width:620px}
.series-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.series-card{border:1px solid var(--line);padding:18px;background:#fff;display:flex;flex-direction:column;transition:.2s}
.series-card:hover{border-color:#b6bbbe;box-shadow:var(--shadow);transform:translateY(-2px)}
.series-card img{height:240px;width:100%;object-fit:contain;background:linear-gradient(135deg,#fafafa,#e7e9ea);padding:9px}
.series-card h3{font-size:20px;margin:16px 0 5px}
.series-card p{font-size:13px;color:var(--muted)}
.series-card .card-link{margin-top:auto;padding-top:12px}

/* Product detail */
.product-detail{display:grid;grid-template-columns:1fr 1fr;min-height:620px}
.product-gallery{background:#f3f3f3;padding:45px;display:flex;align-items:center;justify-content:center}
.product-gallery img{max-height:530px;width:100%;object-fit:contain;background:linear-gradient(135deg,#fbfbfb,#e1e4e5);padding:20px;border:1px solid #d3d6d8}
.product-info{padding:55px clamp(32px,5vw,80px)}
.product-info h1{font-size:74px;line-height:1;margin:8px 0 10px}
.product-info .lead{color:#5b6368;max-width:640px}
.spec-table{display:grid;grid-template-columns:1fr 1fr;gap:0 28px;margin:25px 0 30px}
.spec-row{display:flex;justify-content:space-between;gap:20px;padding:11px 0;border-bottom:1px solid #e1e3e4;font-size:13px}
.spec-row span:last-child{font-weight:700;text-align:right}
.product-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px}
.detail-subgrid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.detail-panel{padding:35px 40px;border-right:1px solid var(--line)}
.detail-panel:last-child{border-right:0}
.drawing-panel{background:#f8f9f9}
.technical-drawing-img{width:100%;height:270px;object-fit:contain;border:1px solid #d5d8da;background:#fff;margin-top:14px}
.drawing-note{font-size:11px;color:var(--muted);margin:10px 0 0}
.product-app-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:15px}
.product-app-grid .industry-card{position:relative;min-height:138px;height:auto;overflow:hidden;border:1px solid #d4d7d9}
.product-app-grid .industry-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.68) contrast(1.06)}
.product-app-grid .industry-card span{position:absolute;left:12px;bottom:10px;z-index:2;color:#fff;font-size:12px;font-weight:900;text-transform:uppercase}
.configuration-list{display:grid;gap:0;margin-top:14px;border-top:1px solid #dfe1e2}
.configuration-list>div{padding:12px 0;border-bottom:1px solid #dfe1e2}
.configuration-list b{display:block;font-size:13px}.configuration-list span{font-size:12px;color:var(--muted)}
.related-products{padding:60px 0;background:#f3f4f4}
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-top:24px}
.related-grid>a{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px;border:1px solid var(--line);background:#fff;transition:.2s}
.related-grid>a:hover{border-color:var(--orange);transform:translateY(-2px)}
.related-grid strong{font-size:27px}.related-grid span{font-size:12px;color:var(--muted);text-align:right}

/* Manufacturing/Quality */
.process{padding:52px 0}
.process-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:0;margin-top:30px;border:1px solid #ddd;background:#fff}
.process-step{padding:26px 18px;border-right:1px solid #ddd;min-height:170px}
.process-step:last-child{border-right:0}
.process-step .num{font-weight:900;color:var(--orange)}
.process-step h3{font-size:14px;margin:14px 0 5px;text-transform:uppercase}
.process-step p{font-size:12px;color:#687077}
.capability{padding:55px 0;background:#151a1e;color:#fff}
.cap-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:36px}
.cap-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.cap-card{background:#20262a;border:1px solid #394147;padding:0 0 18px}
.cap-card img{height:180px;width:100%;object-fit:cover}
.cap-card h3,.cap-card p{padding:0 16px}
.cap-card h3{font-size:15px}.cap-card p{color:#b7bec2;font-size:12px}
.quality-band{padding:60px 0;background:white}
.quality-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:25px}
.quality-card{border:1px solid var(--line);padding:28px;min-height:190px}
.quality-card .qicon{font-size:32px;color:var(--orange)}
.industry-page-grid{grid-template-columns:repeat(3,1fr)}
.industry-page-grid .industry-card{height:285px}

/* FAQ */
.faq-section{padding:60px 0 75px;background:#f4f5f5}
.faq-layout{display:grid;grid-template-columns:280px 1fr;gap:42px}
.faq-intro{align-self:start;position:sticky;top:112px}
.faq-intro h2{font-size:34px;line-height:1.05;margin:8px 0 15px}
.faq-list{display:grid;gap:11px}
.faq-list details{background:#fff;border:1px solid var(--line)}
.faq-list summary{cursor:pointer;list-style:none;padding:21px 54px 21px 22px;font-weight:800;position:relative}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:"+";position:absolute;right:22px;top:17px;color:var(--orange);font-size:24px}
.faq-list details[open] summary:after{content:"−"}
.faq-list details[open] summary{border-bottom:1px solid #e3e5e6}
.faq-list details p{margin:0;padding:19px 22px 23px;color:var(--muted)}

/* Global business */
.global-hero{height:185px;background:linear-gradient(90deg,#161b1f 0 50%,rgba(17,22,25,.45)),url('../img/hero-bearings-hd.jpg') 86% 50%/55% auto no-repeat;color:#fff}
.global-hero .container{height:100%;display:flex;flex-direction:column;justify-content:center}
.global-hero h1{font-size:42px;margin:0 0 7px}.global-hero p{margin:2px 0;color:#d6dadd}
.global-main{padding:20px 0 0}
.global-grid{display:grid;grid-template-columns:290px 1fr 310px;gap:18px;align-items:stretch}
.company-card{background:#fff;border:1px solid #d6d8da;border-top:3px solid var(--orange);box-shadow:0 5px 18px rgba(0,0,0,.06);padding:15px;min-height:425px}
.company-card h2{font-size:22px;margin:0 0 3px;line-height:1.1}.company-card .english{font-weight:800;font-size:14px;line-height:1.25}
.company-card .est{font-size:12px;color:#4f575c;margin:8px 0 12px}.company-card .location{font-size:12px;margin-top:9px;color:#454c51}
.company-card img{width:100%;height:220px;object-fit:cover}
.map-wrap{display:flex;align-items:center;justify-content:center;min-height:425px;position:relative}
.map-wrap img{width:100%;height:100%;max-height:430px;object-fit:contain}
.yiwu-slider{position:relative;margin-top:10px}
.slider-viewport{overflow:hidden}
.slider-track{display:flex;transition:transform .35s ease}
.slider-slide{min-width:100%}
.slider-slide img{height:220px}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);width:36px;height:36px;border-radius:50%;border:1px solid #d3d6d7;background:#fff;z-index:3;cursor:pointer;font-size:20px}
.slider-arrow.prev{left:-12px}.slider-arrow.next{right:-12px}
.slider-dots{display:flex;justify-content:center;gap:8px;margin-top:9px}
.slider-dot{width:7px;height:7px;border-radius:50%;background:#b7bbbd;border:0;padding:0}.slider-dot.active{width:22px;border-radius:5px;background:var(--orange)}
.value-strip{margin-top:18px;background:#111619;color:#fff}
.values{display:grid;grid-template-columns:repeat(4,1fr)}
.value{display:flex;align-items:center;gap:15px;padding:22px 28px;border-right:1px solid #3a4146}.value:last-child{border:0}.value .vicon{font-size:33px;color:var(--orange)}.value b{font-size:14px}.value p{margin:2px 0 0;font-size:12px;color:#c8cdd0}
.partner-strip{padding:14px 0;background:#f4f4f4}.partner-row{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:15px;align-items:center}

/* About / Contact */
.about-layout{display:grid;grid-template-columns:1fr 1fr;min-height:560px}
.about-copy{padding:70px 8vw}.about-copy h1{font-size:48px;line-height:1.02}.about-copy ul{list-style:none;padding:0}.about-copy li{margin:10px 0}.about-copy li:before{content:"✓";color:var(--orange);font-weight:900;margin-right:10px}
.about-photo{background:linear-gradient(rgba(10,14,16,.08),rgba(10,14,16,.08)),url('../img/manufacturing-hd.jpg') center/cover no-repeat;min-height:560px}
.about-facts{display:grid;grid-template-columns:repeat(4,1fr);padding:30px 0 60px;gap:14px}.fact{border:1px solid var(--line);padding:25px;text-align:center}.fact strong{font-size:28px;color:var(--orange);display:block}
.contact-layout{display:grid;grid-template-columns:320px 1fr;min-height:600px}
.contact-aside{background:#151a1e;color:white;padding:48px}.contact-aside h2{font-size:30px}.contact-item{margin:25px 0}.contact-item small{display:block;color:#adb4b8;text-transform:uppercase;font-size:10px;letter-spacing:.08em}.contact-form-wrap{padding:48px}
.form-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.form-field{display:flex;flex-direction:column;gap:7px}.form-field.full{grid-column:1/-1}.form-field.two{grid-column:span 2}.form-field label{font-size:12px;font-weight:800}.form-field input,.form-field select,.form-field textarea{border:1px solid #d4d7d8;min-height:46px;padding:10px 12px;background:white}.form-field textarea{min-height:130px;resize:vertical}.upload-box{border:1px dashed #bdc2c5;min-height:130px;display:flex;align-items:center;justify-content:center;text-align:center;padding:15px;color:#6b7378}.form-status{margin-top:14px;font-size:13px}.form-status.ok{color:#138a4b}.form-status.err{color:#b52828}

/* Footer */
.site-footer{background:#12171a;color:#d3d7d9;padding:32px 0 18px}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:34px}.footer-brand img{height:52px;filter:brightness(0) invert(1)}.footer-brand p{font-size:12px;max-width:260px;color:#aeb5b9}.footer-col h4{color:#fff;font-size:12px;margin:0 0 12px}.footer-col a,.footer-col p{display:block;margin:6px 0;font-size:12px;color:#b9c0c4}.footer-bottom{border-top:1px solid #343b40;margin-top:25px;padding-top:15px;font-size:11px;color:#8f989d;display:flex;justify-content:space-between}

@media(max-width:1100px){
 .container{width:min(var(--max),calc(100% - 36px))}
 .header-inner{grid-template-columns:205px 1fr auto}.main-nav{gap:14px;font-size:11px}.brand .brand-lockup{width:195px;max-height:56px}.quote-btn{padding:0 13px}
 .product-grid{grid-template-columns:repeat(3,1fr)}.industry-grid{grid-template-columns:repeat(3,1fr)}
 .global-grid{grid-template-columns:250px 1fr}.global-grid .company-card:last-child{grid-column:1/-1;display:grid;grid-template-columns:280px 1fr;gap:20px;min-height:unset}.global-grid .company-card:last-child .yiwu-slider{margin:0}
 .process-grid{grid-template-columns:repeat(4,1fr)}.process-step{border-bottom:1px solid #ddd}
}
@media(max-width:1020px){
 .site-header{height:70px}
 .header-inner{grid-template-columns:1fr auto}
 .main-nav{display:none;position:absolute;left:0;right:0;top:70px;background:white;flex-direction:column;gap:0;height:auto;box-shadow:0 8px 20px rgba(0,0,0,.12)}
 .main-nav.open{display:flex}
 .main-nav a{height:48px;width:100%;padding:0 20px;border-bottom:1px solid #eee}
 .main-nav a.active:after{display:none}
 .quote-btn{display:none}
 .menu-toggle{display:block}
 .brand .brand-lockup{width:150px;max-height:50px}
}
@media(max-width:800px){
 .site-header{height:70px}.header-inner{grid-template-columns:1fr auto}.main-nav{display:none;position:absolute;left:0;right:0;top:70px;background:white;flex-direction:column;gap:0;height:auto;box-shadow:0 8px 20px rgba(0,0,0,.12)}.main-nav.open{display:flex}.main-nav a{height:48px;width:100%;padding:0 20px;border-bottom:1px solid #eee}.main-nav a.active:after{display:none}.quote-btn{display:none}.menu-toggle{display:block}.brand .brand-lockup{width:162px;max-height:50px}.header-actions{gap:10px}.lang{font-size:12px}
 .hero{background:#e7e8e8}.hero:after{display:none}.hero-inner{grid-template-columns:1fr}.hero-copy{padding:48px 0 26px}.hero-media{padding:0 0 24px}.hero-media img{height:360px}.hero h1{font-size:52px}.hero-points{grid-template-columns:1fr;gap:12px}.hero-point{border-right:0}
 .product-grid,.industry-grid,.series-grid,.quality-cards,.industry-page-grid{grid-template-columns:repeat(2,1fr)}.stats{grid-template-columns:repeat(2,1fr)}.stat{padding:18px}.split-section,.global-preview-grid,.product-detail,.about-layout,.contact-layout,.cap-grid,.faq-layout{grid-template-columns:1fr}.detail-subgrid{grid-template-columns:1fr}.detail-panel{border-right:0;border-bottom:1px solid var(--line)}.faq-intro{position:static}
 .catalog-layout{grid-template-columns:1fr}.catalog-menu{position:static;display:flex;overflow:auto}.catalog-menu a{white-space:nowrap}
 .process-grid{grid-template-columns:repeat(2,1fr)}.cap-cards{grid-template-columns:1fr}.global-grid{grid-template-columns:1fr}.global-grid .company-card:last-child{grid-column:auto;display:block}.map-wrap{order:-1;min-height:290px}.company-card{min-height:auto}.values{grid-template-columns:repeat(2,1fr)}.partner-row{grid-template-columns:1fr}.rfq-row{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.form-field.two{grid-column:auto}.related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:520px){
 .container{width:calc(100% - 24px)}.hero h1{font-size:42px}.hero-actions{flex-direction:column;width:100%}.hero-actions .btn{width:100%}.product-grid,.industry-grid,.series-grid,.quality-cards,.stats,.process-grid,.values,.about-facts,.industry-page-grid,.related-grid{grid-template-columns:1fr}.product-card img{height:240px}.global-hero{height:225px;background-size:auto 100%;background-position:90% center}.global-hero h1{font-size:34px}.company-card h2{font-size:18px}.footer-grid{grid-template-columns:1fr}.footer-bottom{flex-direction:column;gap:8px}.product-info h1{font-size:56px}.spec-table{grid-template-columns:1fr}.contact-form-wrap,.contact-aside{padding:30px 20px}.lang{font-size:11px}.brand .brand-lockup{width:145px}.technical-drawing-img{height:auto}.product-app-grid{grid-template-columns:1fr}
}

/* V12 — product range, integrated hero and responsive refinements */
.brand .brand-lockup{width:236px;max-height:64px}
.nav-dropdown{position:relative;height:100%;display:flex;align-items:center}
.nav-caret{font-size:12px;margin-left:3px}
.nav-dropdown-menu{display:none;position:absolute;top:calc(100% - 10px);left:50%;transform:translateX(-50%);width:310px;padding:9px 0;background:#fff;border-top:3px solid var(--orange);box-shadow:0 16px 38px rgba(12,17,20,.18);z-index:80}
.nav-dropdown:hover .nav-dropdown-menu,.nav-dropdown:focus-within .nav-dropdown-menu{display:block}
.main-nav .nav-dropdown-menu a{height:auto;min-height:42px;padding:10px 20px;border-bottom:1px solid #eceeef;font-size:13px;font-weight:650}
.main-nav .nav-dropdown-menu a:last-child{border-bottom:0}
.main-nav .nav-dropdown-menu a:hover{color:var(--orange);background:#fff5ef}
.main-nav .nav-dropdown-menu a:after{display:none}

.hero .container{width:100%;max-width:none;margin:0;padding-left:max(32px,calc((100vw - var(--max))/2))}
.hero-inner{grid-template-columns:minmax(520px,43%) 1fr}
.hero-copy{padding-right:48px;max-width:650px}
.hero-media{position:relative;align-self:stretch;padding:0;overflow:hidden;background:#111619}
.hero-media:before{content:"";position:absolute;inset:0 auto 0 0;width:12%;z-index:2;background:linear-gradient(90deg,#171c20 0,rgba(23,28,32,.72) 25%,transparent 100%);pointer-events:none}
.hero-media img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;border:0;box-shadow:none;padding:0;background:none}
.hero-points{grid-template-columns:repeat(2,minmax(0,1fr));max-width:430px;gap:14px}
.hero-point{padding:0 14px;border-right:1px solid #aeb2b4}
.hero-point:first-child{padding-left:0}
.hero-point:nth-child(3){grid-column:1/-1;max-width:210px;padding-left:0}

.product-card img,.series-card img{aspect-ratio:1/1;height:auto;object-fit:contain;background:linear-gradient(135deg,#fbfbfb,#e7e9ea);padding:8px}
.product-card{min-height:390px}
.series-card{min-height:480px}
.series-card p{min-height:58px}
.series-grid-two{grid-template-columns:repeat(2,minmax(0,1fr))}
.series-grid-one{grid-template-columns:minmax(0,calc((100% - 36px)/3))}
.catalog-section-head .btn{flex:none}
.application-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.application-tags span{padding:11px 13px;border:1px solid #d8dbdd;background:#fff;font-size:12px;font-weight:750}
.detail-back{display:inline-block;margin-bottom:18px;font-size:11px;font-weight:850;color:var(--orange);letter-spacing:.04em}
.product-info h1{font-size:clamp(46px,5vw,74px)}

.about-factory-slider{position:relative;min-height:440px;overflow:hidden;background:#111619}
.about-factory-slider .slider-viewport,.about-factory-slider .slider-track,.about-factory-slider .slider-slide{height:100%;min-height:440px}
.about-factory-slider .slider-slide img{width:100%;height:100%;min-height:440px;object-fit:cover;object-position:center}
.about-factory-slider .slider-arrow.prev{left:20px}
.about-factory-slider .slider-arrow.next{right:20px}
.about-factory-slider .slider-dots{position:absolute;left:50%;bottom:18px;transform:translateX(-50%);z-index:4;margin:0;padding:8px 10px;background:rgba(12,16,19,.64)}
.contact-item a{color:#fff}

@media(max-width:1200px){
  .brand .brand-lockup{width:205px}
  .main-nav{gap:15px;font-size:11px}
  .hero .container{padding-left:30px}
  .hero-inner{grid-template-columns:minmax(470px,45%) 1fr}
  .hero h1{font-size:55px}
}

@media(max-width:1020px){
  .brand .brand-lockup{width:168px}
  .main-nav.open{max-height:calc(100vh - 70px);overflow-y:auto}
  .nav-dropdown{height:auto;width:100%;display:block}
  .nav-dropdown>a{width:100%}
  .nav-dropdown-menu{position:static;display:grid;width:100%;transform:none;padding:0 0 6px;border-top:0;box-shadow:none;background:#f5f6f6}
  .main-nav .nav-dropdown-menu a{min-height:38px;height:38px;padding-left:36px;font-size:12px}
  .hero .container{padding-left:24px}
  .hero-inner{grid-template-columns:minmax(430px,48%) 1fr}
  .hero h1{font-size:49px}
  .hero-points{grid-template-columns:1fr 1fr;gap:12px}
  .hero-point:nth-child(3){grid-column:1/-1}
}

@media(max-width:800px){
  .hero .container{padding:0;width:100%}
  .hero-inner{display:grid;grid-template-columns:1fr}
  .hero-copy{padding:48px 24px 32px;max-width:none}
  .hero-media{height:390px;min-height:390px}
  .hero-media:before{display:none}
  .hero-media img{position:absolute;object-position:center}
  .hero-points{grid-template-columns:repeat(3,minmax(0,1fr));max-width:none}
  .hero-point:nth-child(3){grid-column:auto}
  .catalog-section-head{align-items:flex-start;flex-direction:column}
  .catalog-section-head .btn{min-height:44px}
  .series-grid-one{grid-template-columns:1fr 1fr}
  .series-card{min-height:0}
  .series-card p{min-height:0}
  .about-factory-slider{min-height:360px}
  .about-factory-slider .slider-viewport,.about-factory-slider .slider-track,.about-factory-slider .slider-slide,.about-factory-slider .slider-slide img{min-height:360px}
  .product-gallery{padding:24px}
  .product-info{padding:38px 24px}
  .product-info h1{font-size:48px}
  .product-actions .btn{flex:1 1 220px}
  .precision-banner{
    min-height:390px;
    background-image:
      linear-gradient(90deg,rgba(242,243,243,.98) 0%,rgba(232,234,235,.94) 55%,rgba(218,221,222,.62) 80%,rgba(218,221,222,.24) 100%),
      url('../img/factory-line-banner-v2.jpg');
    background-size:cover,cover;
    background-position:center,63% center;
  }
  .precision-banner-inner{min-height:390px}
  .precision-banner-copy{padding:50px 0;max-width:360px}
}

@media(max-width:520px){
  .brand .brand-lockup{width:152px}
  .hero-copy{padding:38px 18px 26px}
  .hero h1{font-size:40px;line-height:.98;margin-bottom:18px}
  .hero p{font-size:15px;margin-bottom:24px}
  .hero-actions{gap:10px;margin-bottom:30px}
  .hero-points{grid-template-columns:1fr;gap:13px}
  .hero-point,.hero-point:first-child{padding:0;border-right:0}
  .hero-point:nth-child(3){grid-column:auto}
  .hero-media{height:285px;min-height:285px}
  .product-grid,.series-grid,.series-grid-two,.series-grid-one{grid-template-columns:1fr}
  .product-card{min-height:0}
  .product-card img,.series-card img{width:100%;aspect-ratio:1/1}
  .catalog-menu{margin:0 -12px;padding:0 12px;border-left:0;border-right:0}
  .catalog-menu a{padding:13px 15px}
  .page-hero{height:auto;min-height:220px;padding:30px 0}
  .page-hero h1{font-size:39px}
  .about-factory-slider{min-height:300px}
  .about-factory-slider .slider-viewport,.about-factory-slider .slider-track,.about-factory-slider .slider-slide,.about-factory-slider .slider-slide img{min-height:300px}
  .about-factory-slider .slider-arrow{width:34px;height:34px}
  .product-gallery{padding:14px}
  .product-gallery img{padding:10px}
  .product-info h1{font-size:42px}
  .product-actions{display:grid;grid-template-columns:1fr;width:100%}
  .product-actions .btn{width:100%}
  .detail-panel{padding:28px 20px}
  .contact-form-wrap,.contact-aside{padding:30px 18px}
  .form-field input,.form-field select,.form-field textarea{width:100%;font-size:16px}
  .precision-banner{min-height:420px;background-position:center,68% center}
  .precision-banner-inner{min-height:420px;align-items:flex-end}
  .precision-banner-copy{padding:42px 6px}
  .precision-banner-copy h2{font-size:36px}
}

/* V16 — reference-matched integrated silver hero and user factory image */
.hero{
  background-color:#e8eaeb;
  background-image:
    linear-gradient(100deg,rgba(255,255,255,.86),rgba(216,219,221,.38) 52%,rgba(255,255,255,.1)),
    repeating-linear-gradient(0deg,rgba(255,255,255,.28) 0,rgba(255,255,255,.28) 1px,rgba(103,108,111,.032) 2px,transparent 3px);
}
.hero:after{display:none}
.hero .container{position:relative}
.hero-inner{display:block;position:relative;z-index:1}
.hero-copy{
  position:relative;
  z-index:4;
  width:min(58vw,760px);
  max-width:760px;
  min-height:650px;
  padding:66px 36px 48px 0;
}
.hero h1{
  max-width:730px;
  font-size:clamp(48px,4.15vw,66px);
  line-height:.98;
  margin:8px 0 24px;
}
.hero p{max-width:520px}
.hero-media{
  position:absolute;
  inset:0 0 0 40%;
  z-index:1;
  padding:0;
  overflow:hidden;
  background:transparent;
}
.hero-media:before{
  display:none;
}
.hero-media img{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:56% center;
  border:0;
  box-shadow:none;
  filter:contrast(1.02) saturate(.88);
  -webkit-mask-image:linear-gradient(100deg,transparent 0%,rgba(0,0,0,.08) 12%,rgba(0,0,0,.32) 26%,rgba(0,0,0,.68) 42%,#000 58%);
  mask-image:linear-gradient(100deg,transparent 0%,rgba(0,0,0,.08) 12%,rgba(0,0,0,.32) 26%,rgba(0,0,0,.68) 42%,#000 58%);
  -webkit-mask-size:100% 100%;
  mask-size:100% 100%;
  -webkit-mask-repeat:no-repeat;
  mask-repeat:no-repeat;
}
.hero-points{
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  width:100%;
  max-width:720px;
}
.hero-point{padding:0 18px}
.hero-point:first-child{padding-left:0}
.hero-point:nth-child(3){
  grid-column:auto;
  max-width:none;
  padding-left:18px;
}
.about-photo{
  min-height:560px;
  background:url('../img/about-factory-line-user.png') center right/cover no-repeat;
}
.global-preview-grid{grid-template-columns:minmax(0,34fr) minmax(0,66fr)}

@media(max-width:1200px) and (min-width:801px){
  .hero-copy{width:61vw;max-width:690px}
  .hero h1{font-size:52px}
  .hero-media{left:38%}
}

@media(max-width:800px){
  .hero{background:#e7e8e8}
  .hero-inner{display:grid;grid-template-columns:1fr}
  .hero-copy{width:100%;max-width:none;min-height:auto;padding:48px 24px 32px}
  .hero-media{position:relative;inset:auto;height:390px;min-height:390px;background:#111619}
  .hero-media:before{display:none}
  .hero-media img{position:absolute;object-position:center;-webkit-mask-image:none;mask-image:none}
  .hero-points{grid-template-columns:repeat(3,minmax(0,1fr));max-width:none}
  .hero-point:nth-child(3){grid-column:auto;max-width:none}
  .about-photo{min-height:420px;background-position:70% center}
}

@media(max-width:520px){
  .hero-copy{padding:38px 18px 26px}
  .hero h1{font-size:40px}
  .hero-points{grid-template-columns:1fr;gap:13px}
  .hero-point,.hero-point:first-child,.hero-point:nth-child(3){padding:0;border-right:0}
  .hero-media{height:285px;min-height:285px}
  .about-photo{min-height:310px;background-position:72% center}
}