:root{font-family:Inter,"Microsoft YaHei",sans-serif;color:#183a33;background:#fafaf6;font-synthesis:none;--green:#173e34;--muted:#6e7b74;--lime:#dceda4}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0}a{color:inherit;text-decoration:none}button,input{font:inherit}button,a,input{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid #879b43;outline-offset:5px}[hidden]{display:none!important}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:10;background:white;padding:10px}.demo{text-align:center;background:#dceda4;padding:8px;font-size:12px;letter-spacing:1px}header{max-width:1440px;margin:auto;display:flex;justify-content:space-between;align-items:center;padding:28px 6%;border-bottom:1px solid #e2e6dd}.brand{display:flex;gap:12px;align-items:center;font-size:21px;font-weight:700;letter-spacing:3px}.brand small{display:block;font-size:9px;letter-spacing:3px;margin-top:5px}.mark{background:var(--green);color:var(--lime);width:43px;height:43px;display:grid;place-items:center;font-size:30px;font-family:Georgia;font-style:italic;border-radius:2px}nav{display:flex;align-items:center;gap:35px;font-size:13px}.nav-contact{padding:11px 18px;border:1px solid #b9c3b9;border-radius:4px}main{max-width:1440px;margin:auto}.hero{display:grid;grid-template-columns:1.15fr 1fr;min-height:515px;padding:66px 6%;gap:40px;background:#f0f2e8}.eyebrow{font-size:10px;letter-spacing:2.6px;font-weight:600;color:#65786b}h1{font-size:clamp(34px,4.1vw,58px);line-height:1.3;font-weight:600;letter-spacing:-1px;margin:26px 0}h1>span{color:#869c50}.hero p{font-size:15px;line-height:1.9;color:var(--muted);margin-bottom:29px}.button{display:inline-flex;align-items:center;gap:35px;padding:16px 23px;border-radius:3px;background:var(--green);color:white;font-size:13px}.hero-art{position:relative;display:flex;align-items:center;justify-content:center;background:radial-gradient(ellipse,#e8ebdf 0,#dce2d2 65%,#e6eadd);min-height:350px;border-radius:50% 50% 5px 5px;overflow:hidden}.hero-art>span{position:absolute;bottom:22px;right:22px;font-size:10px;line-height:1.9;letter-spacing:2px;color:#6a7768}.lock-plate{width:78px;height:240px;background:linear-gradient(100deg,#858d89,#e0e4df 23%,#a6aeaa 45%,#d5d9d4 80%,#767e77);border-radius:8px;transform:rotate(-24deg);box-shadow:24px 32px 32px #59644940, inset 1px 0 2px #fff}.lock-handle{position:absolute;top:74px;left:25px;width:194px;height:32px;background:linear-gradient(#c3c9c5,#eff2ee 25%,#949e98 70%,#737e76);border-radius:12px 8px 8px 12px;box-shadow:4px 12px 15px #3c453740}.keyhole{position:absolute;bottom:41px;left:31px;width:15px;height:27px;background:#525e56;border-radius:10px;border:3px solid #a8b1aa}.catalog{padding:66px 6%}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:25px}h2{font-size:29px;font-weight:500;line-height:1.5;margin:12px 0 25px}h2>span{font-size:11px;color:#7b857b;margin-left:15px;letter-spacing:1px}.search>span{display:block;font-size:11px;margin-bottom:8px;color:var(--muted)}.search input{width:255px;background:transparent;border:0;border-bottom:1px solid #aab5a8;padding:10px 3px;font-size:13px;border-radius:0}.catalog-tools{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #dfe4d9;padding:22px 0 27px;gap:20px}.filters{display:flex;gap:9px;flex-wrap:wrap}.filters button,#reset{border:1px solid #d7dfd1;color:var(--green);background:transparent;padding:10px 19px;border-radius:3px;font-size:12px;cursor:pointer}.filters button.active{background:var(--green);border-color:var(--green);color:white}#count{font-size:12px;color:var(--muted);white-space:nowrap}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:38px 24px}.product-image{aspect-ratio:1.2;background:#eef0e9;position:relative;overflow:hidden}.product-image img{width:100%;height:100%;object-fit:contain;transition:transform .25s}.product:hover img{transform:scale(1.035)}.arrow{position:absolute;bottom:14px;right:14px;display:grid;place-items:center;background:#fafaf6;width:30px;height:30px;border-radius:50%}.placeholder{height:100%;min-height:220px;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#7e8c79;background:linear-gradient(145deg,#e9ede3,#f2f3ed)}.placeholder>span{font-size:75px;font-family:Georgia;font-style:italic;color:#a7b29b}.placeholder small{font-size:11px;letter-spacing:2px;margin-top:12px}.product-meta{display:flex;justify-content:space-between;color:#7b8676;font-size:10px;gap:10px;margin:18px 0 10px}.product h3{font-size:18px;font-weight:500;margin:0 0 9px}.product p{font-size:12px;color:var(--muted);line-height:1.8;margin:0}.about{margin:10px 6% 60px;border-top:1px solid #dbe1d4;padding:44px 0;max-width:900px}.about p{max-width:660px;font-size:14px;line-height:2;color:var(--muted)}.notice{border-left:3px solid #aabd7a;padding-left:15px}.contact{background:var(--green);color:#f3f6e9;margin:0 6% 50px;padding:45px;display:flex;justify-content:space-between;align-items:center;gap:30px}.contact .eyebrow{color:var(--lime)}.contact h2{font-size:30px}.contact p{font-size:12px;line-height:1.8;color:#c2cdbd}.contact .button{background:var(--lime);color:var(--green)}footer{max-width:1440px;margin:auto;padding:0 6% 30px;display:flex;justify-content:space-between;color:#83907b;font-size:11px}.breadcrumb{margin:30px 6%;font-size:12px;color:var(--muted)}.detail{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding:20px 6% 65px}.detail-image{background:#eef0e9;min-height:360px}.detail-image img{width:100%;height:100%;max-height:520px;object-fit:contain}.detail-image .placeholder{min-height:400px}.detail-info{padding:35px 0}.detail h1{font-size:38px}.model{letter-spacing:2px;color:var(--muted);font-size:14px}.summary{line-height:1.9;font-size:15px;margin:30px 0}.hint{font-size:11px;color:var(--muted);margin-top:18px}.details{margin:0 6% 60px;padding-top:30px;border-top:1px solid #dce2d5;display:grid;grid-template-columns:1fr 2fr;gap:35px}.details h3{font-size:17px;font-weight:500;margin:20px 0}.details dl{margin:0}.details dl>div{display:grid;grid-template-columns:1fr 2fr;padding:16px 10px;border-bottom:1px solid #e1e5db;font-size:13px;gap:15px}.details dt{color:var(--muted)}dd{margin:0}.prose{white-space:pre-wrap;overflow-wrap:anywhere;line-height:1.9;font-size:14px;color:#65705f}.gallery{display:grid;grid-template-columns:1fr 1fr;gap:15px;margin:25px 0}.gallery img{width:100%;height:240px;object-fit:contain;background:#eff1ea}.download{display:flex;justify-content:space-between;padding:18px 0;border-bottom:1px solid #dde2d5;font-size:13px}#empty{text-align:center;padding:50px;color:var(--muted)}@media(max-width:700px){header{padding:20px 5%}.brand{font-size:17px;letter-spacing:1px}.brand small{font-size:8px}.mark{width:34px;height:34px}nav{gap:15px;font-size:12px}nav a:nth-child(2){display:none}.nav-contact{padding:8px}.hero{grid-template-columns:1fr;padding:38px 5%;gap:30px}.hero-art{min-height:260px;border-radius:3px}.lock-plate{transform:rotate(-24deg) scale(.8)}h1{font-size:39px}.catalog{padding:40px 5%}.section-heading{align-items:stretch;flex-direction:column;gap:0}.search input{width:100%;margin-bottom:24px}.grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px 15px}.placeholder{min-height:150px}.product h3{font-size:16px}.product-meta{flex-direction:column;gap:5px}.catalog-tools{align-items:flex-start}.filters button{padding:9px 12px}.contact{margin:0 5% 30px;padding:28px;flex-direction:column;align-items:flex-start}.contact h2{font-size:26px}footer{gap:15px;line-height:1.8}.detail{grid-template-columns:1fr;gap:10px;padding:10px 5% 35px}.detail-image,.detail-image .placeholder{min-height:280px}.detail-info{padding:20px 0}.detail h1{font-size:32px}.details{grid-template-columns:1fr;gap:0}.about{margin-bottom:30px}.gallery img{height:160px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
/* Real-catalog layout: model-led industrial product browsing. */
.topline{background:#173e34;color:#d3e0ce;display:flex;justify-content:space-between;padding:9px 6%;font-size:10px;letter-spacing:1px}.hero{grid-template-columns:1.1fr 1fr;background:#f0f2e9;padding:50px 6%;min-height:440px;gap:60px}.hero h1{font-size:clamp(35px,3.8vw,53px);margin:22px 0}.hero p{margin:20px 0 25px}.hero-product{position:relative;background:white;display:flex;flex-direction:column;border-radius:3px;overflow:hidden;padding:20px 28px 16px;min-width:0}.hero-product>img{width:100%;height:270px;object-fit:contain}.hero-label{font-size:10px;letter-spacing:1.5px;color:#697762}.hero-product>div{display:flex;justify-content:space-between;align-items:center;border-top:1px solid #e3e8dd;padding-top:15px;gap:10px}.hero-product strong{display:block;font-size:22px;font-weight:500;letter-spacing:1px}.hero-product small{display:block;color:#62715c;font-size:12px;line-height:1.6;margin-top:5px}.hero-arrow{font-size:24px}.hero-stats{display:flex;gap:35px;margin-top:35px}.hero-stats>div{display:flex;flex-direction:column;gap:6px}.hero-stats strong{font-size:27px;font-weight:500}.hero-stats span{font-size:10px;color:#63735c}.series-strip{display:grid;grid-template-columns:repeat(6,1fr);padding:0 6%;background:#e9ede1}.category-link{display:flex;align-items:center;justify-content:space-between;gap:7px;border-right:1px solid #d3ddca;padding:21px 13px;font-size:12px}.category-link:first-child{border-left:1px solid #d3ddca}.category-link small{color:#66765f;font-size:10px;white-space:nowrap}.category-link:hover{background:#dfe6d5}.catalog{padding-top:58px}.section-heading>p{font-size:12px;color:#65725e}.catalog-layout{display:grid;grid-template-columns:190px minmax(0,1fr);gap:32px;margin-top:20px}.catalog-sidebar h3{font-size:13px;font-weight:500;padding-bottom:18px;margin:0;border-bottom:1px solid #d8dfd0}.filters{flex-direction:column;gap:0;padding-top:10px}.filters button{display:flex;justify-content:space-between;align-items:center;text-align:left;border:0;border-radius:2px;padding:13px 14px;font-size:13px}.filters small{font-size:11px;opacity:.8}.sidebar-note{padding:23px 15px;background:#eff2e9;margin-top:30px}.sidebar-note>span{font-size:12px;font-weight:600}.sidebar-note p{font-size:11px;color:#66755d;line-height:1.9}.sidebar-note a{font-size:11px}.catalog-toolbar{display:flex;gap:14px;scroll-margin-top:20px}.catalog-toolbar .search{flex:1}.catalog-toolbar input{width:100%;background:white;border:1px solid #d9e0d0;border-radius:3px;padding:13px 16px;height:44px}.sort select{height:44px;border:1px solid #d9e0d0;border-radius:3px;background:white;color:#28442f;padding:0 12px;font-size:12px}.results-line{display:flex;justify-content:space-between;margin:19px 0;font-size:11px;color:#677660}.grid{gap:30px 18px}.product-image{background:white;border:1px solid #e4e8de;aspect-ratio:1.13}.product-image img{background:white;padding:7px}.product-meta{margin:15px 0 9px;align-items:center}.product-meta strong{color:#173e34;font-size:17px;letter-spacing:.6px;font-weight:600}.product-meta>span{font-size:10px}.product h3{font-size:13px;font-weight:400;line-height:1.8;min-height:46px;overflow-wrap:anywhere}.card-link{display:flex;justify-content:space-between;border-top:1px solid #e0e5d8;padding:12px 0;font-size:10px;color:#52684b;margin-top:12px}.product:hover .card-link{color:#173e34}.pagination{display:flex;justify-content:center;align-items:center;gap:24px;margin-top:30px}.pagination button{background:transparent;border:1px solid #cdd7c2;color:#173e34;padding:10px 16px;border-radius:3px;cursor:pointer;font-size:12px}.pagination button:disabled{opacity:.4;cursor:default}.pagination span{font-size:12px}.guide{margin:0 6% 60px;border-top:1px solid #d4dfca;padding-top:40px;display:grid;grid-template-columns:1fr 2fr;gap:40px}.guide p{font-size:12px;color:#66765e;line-height:1.9}.guide ol{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:25px}.guide li>span{font-size:25px;color:#718663;font-family:Georgia}.guide h3{font-size:14px;font-weight:500}.notice{margin:0 6% 40px;font-size:13px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.detail{grid-template-columns:1.15fr 1fr;gap:60px}.main-photo{position:relative;background:white;border:1px solid #e0e6d7}.main-photo img{width:100%;height:420px;object-fit:contain}.photo-hint{display:block;text-align:right;padding:0 15px 12px;color:#607255;font-size:10px}.thumbs{display:flex;gap:12px;margin-top:13px}.thumbs button{position:relative;width:82px;height:82px;padding:4px;border:1px solid #d9e0d0;background:white;cursor:pointer}.thumbs button[aria-pressed=true]{border:2px solid #173e34}.thumbs img{width:100%;height:100%;object-fit:contain}.thumbs span{position:absolute;bottom:2px;right:4px;font-size:9px;background:white;color:#55654a}.detail-info{padding:15px 0}.model-line{display:flex;justify-content:space-between;align-items:center;gap:15px;margin:25px 0 15px}.model-line strong{font-size:39px;font-weight:500;letter-spacing:1px}.text-button{border:0;border-bottom:1px solid #adbc9e;background:transparent;padding:5px 0;font-size:11px;color:#345b28;cursor:pointer}.detail h1{font-size:23px;line-height:1.7;letter-spacing:0;margin:15px 0 24px}.quick-facts{font-size:12px;margin:25px 0}.quick-facts>div{display:flex;justify-content:space-between;padding:12px 0;border-bottom:1px solid #dfe6d6}.quick-facts dt{color:#6a795f}.secondary{display:inline-block;font-size:12px;margin:15px 0 15px 18px}.copy-status{font-size:12px;color:#375f2a;min-height:18px}.breadcrumb{display:flex;flex-wrap:wrap;gap:10px}.details{grid-template-columns:1fr 2fr}.details>div>p{font-size:12px;line-height:1.9;color:#65765b}.related{padding:0 6% 50px}.related .grid{grid-template-columns:repeat(3,minmax(0,1fr))}.related .section-heading>a{font-size:12px}.contact{margin-bottom:35px}footer .brand{font-size:15px;letter-spacing:1px}footer{align-items:center}select:focus-visible{outline:3px solid #879b43;outline-offset:3px}
@media(max-width:1000px){.series-strip{grid-template-columns:repeat(3,1fr)}.category-link{border-bottom:1px solid #d3ddca}.catalog-layout{grid-template-columns:150px minmax(0,1fr);gap:20px}.catalog-results .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero{gap:30px}.hero-product>img{height:250px}.hero-stats{gap:24px}}
@media(max-width:700px){.topline{padding:8px 5%;font-size:9px}.topline span:last-child{display:none}.hero{grid-template-columns:1fr;padding:30px 5%;gap:25px}.hero h1{font-size:37px}.hero-stats{margin-top:25px}.hero-product{padding:17px 20px}.hero-product>img{height:225px}.series-strip{padding:0 5%;grid-template-columns:repeat(2,1fr)}.category-link{padding:16px 10px}.catalog{padding:35px 5%}.catalog-layout{grid-template-columns:1fr;gap:15px;margin-top:10px}.catalog-sidebar h3,.sidebar-note{display:none}.filters{flex-direction:row;flex-wrap:nowrap;overflow:auto;padding:0 0 8px;gap:8px}.filters button{white-space:nowrap;gap:12px;background:#edf1e5;padding:11px 13px;flex:none}.catalog-toolbar{gap:8px}.catalog-toolbar input{margin:0;padding:12px 9px;font-size:12px;min-width:0}.catalog-toolbar .search{min-width:0}.sort select{padding:0 7px;font-size:11px}.results-line span:last-child{display:none}.catalog-results .grid{gap:20px 12px}.product-meta{flex-direction:row;flex-wrap:wrap;gap:6px}.product h3{font-size:12px}.product-meta strong{font-size:16px}.product-meta>span{font-size:9px}.product-image{aspect-ratio:1}.guide{grid-template-columns:1fr;margin-bottom:35px;gap:15px}.guide ol{grid-template-columns:1fr;gap:10px}.guide li{display:flex;gap:20px;border-bottom:1px solid #e0e5d8}.guide li>span{margin-top:9px}.guide h3{margin:8px 0}.guide li p{margin:5px 0 15px}.detail{grid-template-columns:1fr;gap:25px}.main-photo img{height:310px}.detail-info{padding:0}.detail h1{font-size:21px}.model-line strong{font-size:34px}.details{grid-template-columns:1fr;gap:12px}.related .grid{grid-template-columns:repeat(2,minmax(0,1fr))}.related .product:last-child{display:none}.contact-info{width:100%}footer{flex-wrap:wrap}.pagination{gap:15px}.section-heading h2{margin-bottom:10px}}
@media print{header,nav,.topline,.contact,footer,.related,.thumbs,.text-button,.button,.secondary,.skip{display:none!important}.detail,.details{margin:0;padding:15px;break-inside:avoid}.detail{grid-template-columns:1fr 1fr}.main-photo img{height:260px}body{background:white;color:black}.photo-hint{display:none}}
.catalog-layout>*{min-width:0}.photo-column{min-width:0}.series-strip{grid-template-columns:repeat(auto-fit,minmax(145px,1fr))}@media(max-width:700px){.series-strip{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-layout{grid-template-columns:minmax(0,1fr)}.thumbs{flex-wrap:wrap}}
.language-switch{font-size:12px;border:1px solid #9faf92;border-radius:3px;padding:9px 12px;white-space:nowrap}.translation-note{font-size:12px;line-height:1.7;color:#64735d;background:#eef2e7;padding:12px 15px;border-left:3px solid #a4b793}html:not([lang=zh-CN]) .hero h1{max-width:480px}html:not([lang=zh-CN]) .category-link{flex-wrap:wrap}html:not([lang=zh-CN]) .hero-stats{flex-wrap:wrap}html:not([lang=zh-CN]) .contact{gap:40px}html:not([lang=zh-CN]) .contact>div{flex:1;min-width:0}html:not([lang=zh-CN]) .section-heading{flex-wrap:wrap}html:not([lang=zh-CN]) .catalog-sidebar{min-width:0}html:not([lang=zh-CN]) .filters button{gap:8px}html:not([lang=zh-CN]) .contact h2{max-width:440px}@media(max-width:700px){header{flex-wrap:wrap;gap:15px}nav{width:100%;justify-content:space-between;gap:10px}.language-switch{padding:8px 12px}.hero-copy h1{max-width:350px}html:not([lang=zh-CN]) .catalog-toolbar{flex-wrap:wrap}html:not([lang=zh-CN]) .catalog-toolbar .search{flex-basis:100%}html:not([lang=zh-CN]) .catalog-toolbar .sort{margin-left:auto}html:not([lang=zh-CN]) .hero h1{font-size:38px}html:not([lang=zh-CN]) .product-meta{align-items:flex-start;flex-direction:column}html:not([lang=zh-CN]) .contact{gap:10px}}

.language-switch{padding:0}.language-switch select{max-width:150px;padding:10px 12px;border:0;border-radius:3px;background:transparent;color:inherit;font:inherit;cursor:pointer}.language-links{display:flex;gap:10px}.contact h2{overflow-wrap:anywhere}html[lang=vi] .filters button{white-space:normal}html[lang=vi] .category-link{overflow-wrap:anywhere}@media(max-width:700px){html[lang=vi] .filters button{white-space:nowrap}.language-switch select{max-width:125px}html[lang=vi] .hero h1{font-size:36px}}