:root{--night:#101d22;--night2:#1a2e34;--ink:#183039;--muted:#64747a;--teal:#197b84;--gold:#ba9672;--line:#d8e0e1;--fog:#f2f5f4;--max:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#f7f8f7;color:var(--ink);font-family:Inter,"Helvetica Neue",Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.container{width:min(var(--max),calc(100% - 48px));margin-inline:auto}
.topbar{background:var(--night);color:#edf3f2;border-bottom:1px solid #ffffff20}.topbar-inner{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-size:16px;letter-spacing:.08em;font-weight:700}.brand small{display:block;font-size:10px;color:#a8bcbd;letter-spacing:.15em;font-weight:500}.toplinks{display:flex;gap:22px;align-items:center;font-size:12px;color:#d4e1e0}.toplinks a:hover,.breadcrumbs a:hover{color:#8fd5d1}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;color:var(--teal)}.hero{background:linear-gradient(115deg,#111f25 0%,#21373d 58%,#22383e 100%);color:#fff}.hero-inner{padding:104px 0 88px;display:grid;grid-template-columns:minmax(0,1fr) minmax(260px,.55fr);gap:55px;align-items:end}.hero .eyebrow{color:#9fcfca}.hero h1{font-size:clamp(38px,5.5vw,78px);line-height:1.08;letter-spacing:-.04em;margin:22px 0 12px}.hero h2{font-size:clamp(20px,2.7vw,34px);font-weight:400;line-height:1.24;margin:0;color:#d8e7e6}.hero p{color:#c8d5d5;max-width:690px}.hero-side{border-left:1px solid #8cb6b280;padding-left:28px;font-size:13px;color:#d0dedd}.hero-side strong{display:block;color:#fff;font-size:40px;line-height:1;margin-bottom:16px;font-weight:500}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:30px;margin:70px 0 30px}.section-heading h2{font-size:clamp(28px,3.5vw,44px);margin:5px 0 0;line-height:1.2}.section-heading p{max-width:510px;color:var(--muted);font-size:14px;margin:0}
.catalog-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px;margin-bottom:90px}.card{background:#fff;border:1px solid var(--line);transition:transform .2s,box-shadow .2s;overflow:hidden}.card:hover{transform:translateY(-4px);box-shadow:0 18px 38px #152b3020}.card-media{aspect-ratio:1.45;background:#e8edeb;overflow:hidden}.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s}.card:hover img{transform:scale(1.035)}.card-body{padding:22px 23px 24px}.card-number{font-size:11px;letter-spacing:.14em;color:var(--teal);font-weight:700}.card h3{margin:9px 0 3px;font-size:21px;line-height:1.35}.card p{margin:0;color:var(--muted);font-size:13px;min-height:44px}.card-arrow{display:inline-block;margin-top:18px;color:var(--teal);font-size:12px;font-weight:700}
.breadcrumbs{font-size:12px;color:#a8babc;padding:17px 0}.detail-hero{background:var(--night);color:#fff}.detail-top{padding:20px 0 64px}.detail-header{display:grid;grid-template-columns:1fr auto;gap:22px;align-items:end}.detail-header h1{font-size:clamp(34px,4.7vw,66px);line-height:1.14;margin:11px 0 6px}.detail-header h2{font-size:clamp(17px,2.3vw,28px);margin:0;font-weight:400;color:#c4d9d7}.detail-index{font-size:80px;line-height:1;color:#ffffff16;font-weight:700}.detail-media{display:grid;grid-template-columns:1.2fr .8fr;gap:14px;margin-top:34px}.media-block{margin:0;background:#223238;overflow:hidden}.media-block img{width:100%;height:480px;object-fit:cover}.media-block.product-view img{object-fit:cover}.media-block figcaption{padding:13px 17px;font-size:12px;color:#c2d5d4;display:flex;justify-content:space-between;gap:15px}.media-block figcaption span:last-child{opacity:.7}
.detail-body{padding:68px 0 85px}.two-column{display:grid;grid-template-columns:.75fr 1.25fr;gap:70px}.sticky-label{position:sticky;top:22px;align-self:start}.sticky-label h3{font-size:34px;line-height:1.18;margin:9px 0 5px}.sticky-label .en{font-size:16px;color:var(--muted);margin:0}.narrative p{margin:0 0 13px;font-size:16px}.narrative p[lang=en]{color:#53666d}.rule{border:0;border-top:1px solid var(--line);margin:54px 0}.facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.fact{background:#fff;border-top:3px solid var(--teal);padding:21px 22px;min-height:116px}.fact .label{font-size:12px;color:var(--muted);margin-bottom:9px}.fact .value{font-size:16px;font-weight:600;line-height:1.4}.technical{margin-top:56px}.technical h3,.spec-section h3{font-size:29px;line-height:1.2;margin:0 0 17px}.subheading{display:block;color:var(--muted);font-size:14px;font-weight:400;margin-top:4px}.drawing-frame{background:#fff;border:1px solid var(--line);padding:25px}.drawing-frame img{max-height:450px;width:100%;object-fit:contain}.technical-note,.source-note{color:var(--muted);font-size:12px}.technical-note{margin:10px 0 0}.spec-section{margin-top:55px}.table-scroll{overflow-x:auto;background:#fff;border:1px solid var(--line)}.spec-table{border-collapse:collapse;min-width:100%;font-size:12px;white-space:normal}.spec-table td{border-right:1px solid #e2e8e7;border-bottom:1px solid #e2e8e7;padding:11px 10px;min-width:92px;vertical-align:middle}.spec-table tr:nth-child(even):not(.header){background:#f7faf9}.spec-table tr.header{background:#27444b;color:#fff;font-weight:700}.spec-table tr:last-child td{border-bottom:0}.spec-table td:last-child{border-right:0}.source-note{margin-top:15px}
.contact{background:#132329;color:#e6f0ef;padding:50px 0}.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.contact h2{font-size:25px;margin:0 0 6px}.contact p{margin:0;color:#a7bfbd;font-size:12px}.contact-card{border-left:2px solid var(--gold);padding-left:20px}.contact-card strong{font-size:17px;display:block}.contact-card span{font-size:12px;color:#b9cecc;display:block;margin:3px 0 13px}.contact-card a{font-size:20px;color:#fff}.footline{background:#0c171b;color:#8fa6a5;font-size:11px;padding:17px 0}.footline .container{display:flex;justify-content:space-between;gap:20px}
@media(max-width:1000px){.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-inner{grid-template-columns:1fr}.hero-side{max-width:500px}.media-block img{height:380px}.two-column{gap:35px}}
@media(max-width:680px){.container{width:min(var(--max),calc(100% - 32px))}.topbar-inner{min-height:70px}.toplinks{display:none}.hero-inner{padding:60px 0}.hero-side{display:none}.section-heading{display:block;margin:50px 0 23px}.catalog-grid{grid-template-columns:1fr;gap:18px;margin-bottom:50px}.detail-top{padding-bottom:28px}.detail-index{display:none}.detail-media{display:block}.media-block+.media-block{margin-top:12px}.media-block img{height:auto;aspect-ratio:1.42;object-fit:cover}.detail-body{padding:45px 0 55px}.two-column{display:block}.sticky-label{margin-bottom:24px}.facts{grid-template-columns:1fr}.technical{margin-top:40px}.contact-grid{grid-template-columns:1fr}.footline .container{display:block}}
@media print{body{background:#fff}.topbar,.breadcrumbs,.footline{display:none}.hero,.detail-hero,.contact{print-color-adjust:exact;-webkit-print-color-adjust:exact}.catalog-grid{grid-template-columns:repeat(2,1fr)}.card,.fact,.drawing-frame{break-inside:avoid}.detail-media{break-inside:avoid}.media-block img{height:65mm}.detail-body{padding:14mm 0}.rule{margin:8mm 0}.spec-table tr{break-inside:avoid}}
.drawing-frame{min-height:180px;display:flex;align-items:center;justify-content:center}.drawing-frame img{width:auto;max-width:100%;height:auto}

.main-nav{display:flex;gap:20px;align-items:center;font-size:12px;color:#d4e1e0}.main-nav a:hover,.lang-switch a:hover{color:#91d3ce}.lang-switch{font-size:12px;color:#bfd0ce;border:1px solid #ffffff45;padding:5px 9px}.lang-switch a[aria-current=page]{color:#fff;font-weight:700}.subhero{background:#122329;color:#fff;padding:55px 0 60px}.subhero h1{font-size:clamp(34px,5vw,64px);line-height:1.12;margin:12px 0}.subhero p{max-width:730px;color:#c7d8d6}.content-section{padding:65px 0 80px}.content-section h2{font-size:clamp(25px,3vw,38px)}.category-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.category-card{display:block;background:#fff;border:1px solid var(--line);padding:26px 28px;transition:.2s}.category-card:hover{border-color:var(--teal);transform:translateY(-2px)}.category-card h3{margin:5px 0;font-size:23px}.category-card p{color:var(--muted);font-size:14px}.category-card span:last-child{color:var(--teal);font-size:12px;font-weight:700}.product-list-intro{max-width:680px;color:var(--muted)}.breadcrumb-list{display:flex;gap:8px;flex-wrap:wrap;font-size:12px;color:#b7c9c8;padding:17px 0}.breadcrumb-list a:hover{color:#fff}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.related-card{background:#fff;border:1px solid var(--line);display:block}.related-card img{aspect-ratio:1.45;width:100%;object-fit:cover}.related-card div{padding:13px 16px}.related-card strong{display:block}.related-card small{display:block;color:var(--muted)}.contact-layout{display:grid;grid-template-columns:.85fr 1.15fr;gap:35px}.info-panel{background:#fff;border:1px solid var(--line);padding:28px}.info-panel h2{margin:0 0 15px}.info-panel p{margin:0 0 13px}.info-panel a{color:var(--teal);text-decoration:underline}.map-panel{background:#e9eeee;border:1px solid var(--line);overflow:hidden;min-height:380px}.map-panel iframe{width:100%;height:380px;border:0}.map-fallback{padding:12px 16px;background:#fff;font-size:13px}.social-list{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.social-list a,.social-list span{display:inline-block;border:1px solid #72918d;padding:6px 11px;font-size:11px;color:#fff}.social-list span{opacity:.55}.chat-widget{position:fixed;right:18px;bottom:18px;z-index:30;color:#fff;font-size:13px}.chat-widget summary{list-style:none;cursor:pointer;background:#167a73;box-shadow:0 8px 25px #0004;padding:13px 17px;border-radius:30px;font-weight:700}.chat-widget summary::-webkit-details-marker{display:none}.chat-content{width:min(310px,calc(100vw - 34px));background:#fff;color:var(--ink);box-shadow:0 15px 45px #0003;border:1px solid var(--line);margin-bottom:10px;padding:18px;position:absolute;right:0;bottom:45px}.chat-content strong{display:block;margin-bottom:12px}.chat-content a{display:block;background:#167a73;color:#fff;padding:10px 12px;margin-top:7px}.chat-content p{font-size:12px;color:var(--muted);margin:10px 0 0}.root-choices{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:35px auto}.root-choices a{background:#fff;padding:28px;border:1px solid var(--line);font-size:23px;font-weight:700}.root-choices a:hover{border-color:var(--teal)}.site-foot-contact{display:grid;grid-template-columns:1fr 1fr;gap:22px}.site-foot-contact strong{display:block}.site-foot-contact span{display:block;color:#abc4c1;font-size:12px}.site-foot-contact a{display:block;margin-top:8px;color:#fff}.callout{border-left:3px solid var(--teal);background:#edf4f3;padding:17px 20px;margin:25px 0;color:#385359}.selection-notes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.selection-notes article{background:#fff;border:1px solid var(--line);padding:20px}.selection-notes h3{margin:0 0 6px}.selection-notes p{font-size:13px;color:var(--muted);margin:0}.map-card-link{color:var(--teal);text-decoration:underline}
@media(max-width:700px){.main-nav{display:none}.category-grid,.related-grid,.contact-layout,.site-foot-contact,.selection-notes,.root-choices{grid-template-columns:1fr}.chat-widget{right:12px;bottom:12px}.content-section{padding:45px 0}}