@charset "UTF-8";
:root{--navy:#102d4a;--blue:#175ca4;--orange:#ed921d;--ink:#142b40;--muted:#72808b;--line:#dde4eb;--pale:#f3f6f9;--container:1240px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:102px}body{margin:0;color:var(--ink);background:#fff;font-family:"Inter","Segoe UI","Microsoft YaHei","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}body.dialog-open{overflow:hidden}button,input,select,textarea{font:inherit}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}a{color:inherit;text-decoration:none}button{cursor:pointer}button{color:inherit}button:disabled{cursor:default}img{max-width:100%;display:block}svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round}h1,h2,h3,p{margin:0}button{border:0;background:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--orange);outline-offset:5px}::selection{background:#dbe9fa}.container{max-width:var(--container);width:calc(100% - 112px);margin:auto}.section{padding:104px 0}.eyebrow{display:flex;align-items:center;gap:12px;font-size:11px;letter-spacing:1.8px;font-weight:600;color:var(--blue)}.eyebrow.light{color:#cad6e3}.orange-line{width:25px;height:2px;background:var(--orange);display:inline-block;flex-shrink:0}.section-number{color:var(--muted);font-size:11px;letter-spacing:.4px;font-weight:400;margin-left:12px}h2{font-weight:600;font-size:39px;line-height:1.55;letter-spacing:-1.1px}.eyebrow+h2{margin-top:22px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:40px;padding:17px 25px;min-height:54px;font-size:13px;letter-spacing:.4px;font-weight:600;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.button span{font-size:20px;line-height:1}.button-white{background:white;color:var(--navy)}.button-white:hover{background:#e8eef5}.button-blue{background:var(--blue);color:white}.button-blue:hover{background:#11477f}.button-outline{border:1px solid var(--line);color:var(--blue)}.text-link{display:inline-flex;align-items:center;gap:26px;font-size:13px;font-weight:600;padding:10px 0}.text-link>span:last-child{font-size:20px}.text-link:hover{color:var(--blue)}.text-link .file-note{font-size:10px;font-weight:400;color:var(--muted)}.skip-link{position:fixed;top:-90px;left:15px;z-index:1000;background:var(--blue);color:white;padding:15px}.skip-link:focus{top:15px}.mobile-break{display:none}
.header{position:sticky;top:0;z-index:40;background:rgba(255,255,255,.97);border-bottom:1px solid #e8edf1;height:84px;backdrop-filter:blur(16px)}.nav-wrap{width:calc(100% - 96px);max-width:1344px;height:100%;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:26px}.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}.brand img{width:57px;height:auto}.brand-name{font-size:23px;font-weight:700;letter-spacing:2.5px;line-height:1.2}.brand-name small{display:block;font-size:7px;font-weight:500;letter-spacing:1.3px;margin-top:7px}.nav{display:flex;align-items:center;gap:32px}.nav a{font-size:13px;position:relative;white-space:nowrap;padding:31px 0}.nav a::after{content:"";position:absolute;bottom:20px;left:0;right:100%;height:2px;background:var(--blue);transition:right .2s}.nav a:hover::after,.nav a.active::after{right:0}.nav-actions{display:flex;align-items:center;gap:24px}.search-toggle{padding:6px;line-height:0}.nav-contact{background:var(--blue);color:white;font-size:12px;padding:12px 16px;display:flex;gap:22px;align-items:center}.nav-contact span{font-size:18px}.menu-toggle{display:none}
.hero{position:relative;background:var(--navy);color:white;height:655px;overflow:hidden}.hero-image{width:100%;height:100%;position:absolute;inset:0;object-fit:cover;object-position:center 48%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,31,52,.97) 0%,rgba(11,38,65,.87) 31%,rgba(14,42,69,.38) 64%,rgba(6,23,42,.19) 100%),linear-gradient(0deg,rgba(10,34,59,.65),transparent 35%)}.hero-grid{position:absolute;right:10%;top:-100px;width:430px;height:1000px;transform:rotate(25deg);border-left:1px solid #ffffff1a;border-right:1px solid #ffffff1a}.hero-grid::after{content:"";position:absolute;left:50%;height:100%;border-left:1px solid #ffffff17}.hero-content{position:relative;padding-top:82px}.hero .eyebrow{font-size:12px;letter-spacing:2.5px}.hero h1{font-size:68px;font-weight:600;line-height:1.38;letter-spacing:1px;margin-top:25px}.hero-english{font-size:9px;font-weight:500;letter-spacing:3.3px;color:#a7bed4;margin-top:17px}.hero-description{margin-top:24px;font-size:14px;line-height:1.95;color:#d0d9e2}.hero-buttons{display:flex;align-items:center;gap:31px;margin-top:34px}.hero-link{display:flex;gap:18px;font-size:12px;color:#e2e8ed}.hero-link:hover{color:white}.hero-location{position:absolute;right:56px;bottom:122px;font-size:11px;letter-spacing:1.5px;padding-left:18px}.hero-location small{display:block;font-size:9px;letter-spacing:3px;color:#c8d4df;margin-top:8px}.location-dot{position:absolute;top:3px;left:0;width:5px;height:5px;background:var(--orange);border-radius:50%;box-shadow:0 0 0 4px #ed921d26}.hero-bottom{position:absolute;left:0;right:0;bottom:25px;display:flex;justify-content:space-between;align-items:center;border-top:1px solid #ffffff2a;padding-top:20px;font-size:10px;color:#b9c7d4;letter-spacing:1px}.hero-bottom a{display:flex;gap:26px;color:white}.hero-bottom a span{font-size:18px}.hero-index{position:absolute;right:56px;top:44px;font-size:10px;color:#c5d1dc;display:flex;gap:13px;letter-spacing:2px}.hero-index b{color:var(--orange);font-weight:500}.hero-index span{color:#ffffff50}
.stats-wrap{border-bottom:1px solid var(--line)}.stats{display:grid;grid-template-columns:repeat(4,1fr);padding:37px 0 35px}.stat{padding:0 36px;border-right:1px solid var(--line)}.stat:first-child{padding-left:0}.stat:last-child{border:0}.stat strong{font-size:39px;font-weight:500;letter-spacing:-1.7px;color:var(--navy);font-variant-numeric:tabular-nums}.stat strong span{font-size:23px;color:var(--blue);font-weight:400;margin-left:4px}.stat p{font-size:11px;color:var(--muted);margin-top:8px;letter-spacing:.7px}
.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:88px;align-items:center}.about-visual{position:relative;height:470px;padding-right:20px;padding-bottom:23px}.about-visual>img{width:100%;height:100%;object-fit:cover;object-position:60% center;filter:saturate(.65)}.about-visual::before{content:"";position:absolute;left:25px;right:0;top:25px;bottom:0;background:#eef2f5;z-index:-1}.image-caption{position:absolute;bottom:52px;left:0;background:var(--navy);padding:22px 32px;color:white;min-width:235px}.image-caption span{font-size:14px;letter-spacing:1px}.image-caption small{display:block;margin-top:10px;font-size:8px;letter-spacing:2px;color:#a9bfd5}.visual-corner{width:36px;height:36px;border-left:3px solid var(--orange);border-top:3px solid var(--orange);position:absolute;top:-12px;left:-12px}.about-copy h2{margin-bottom:27px}.about-copy>p{font-size:13px;color:#687987;line-height:2.2;margin-top:14px}.about-signature{display:flex;gap:24px;margin-top:25px;padding-bottom:24px;border-bottom:1px solid var(--line)}.about-signature span{font-size:12px}.about-signature span::before{content:"+";font-size:16px;color:var(--blue);margin-right:8px}.about-copy>.text-link{margin-top:12px}
.materials{background:var(--pale)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:43px}.section-heading>p{font-size:13px;color:var(--muted);line-height:1.9;padding-bottom:6px}.material-tabs{display:grid;grid-template-columns:repeat(4,1fr);border-bottom:1px solid #d4dee7}.material-tabs button{display:flex;align-items:center;gap:15px;padding:22px 25px;position:relative;transition:background .2s;color:#74818d;border-right:1px solid #dde4ea}.material-tabs button:last-child{border-right:0}.material-tabs b{font-weight:500;font-size:24px;letter-spacing:-.7px}.material-tabs button span{font-size:12px}.material-tabs button.active{color:var(--blue);background:white}.material-tabs button.active::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:3px;background:var(--blue)}.material-tabs button:hover{background:#fff8}.material-panel{display:grid;grid-template-columns:1fr 1.6fr;gap:50px;padding:48px 0 35px;min-height:375px}.material-intro .material-code{font-size:62px;letter-spacing:-3px;line-height:1.15;color:var(--navy);font-weight:500}.material-intro .material-code small{font-size:19px;letter-spacing:0;margin-left:15px;color:#98a4af;font-weight:400}.material-intro h3{font-size:20px;font-weight:500;margin-top:16px}.material-intro p{font-size:12px;color:#71808b;line-height:2;margin-top:14px;max-width:310px}.material-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:23px}.material-tags span{border:1px solid #d5dfe8;color:#61778b;padding:5px 9px;font-size:10px}.material-products{display:grid;grid-template-columns:1fr 1fr;gap:22px}.product-card{position:relative;background:white;display:flex;flex-direction:column;text-align:left;padding:25px 23px 20px;min-width:0;transition:box-shadow .2s,transform .2s}.product-card:hover{box-shadow:0 12px 25px #153a5a12;transform:translateY(-4px)}.product-card img{width:100%;height:130px;object-fit:contain;mix-blend-mode:multiply;margin-bottom:14px}.product-code{font-size:9px;letter-spacing:1px;color:var(--blue)}.product-card h4{font-size:14px;font-weight:500;margin:9px 0 5px}.product-card .product-name{font-size:10px;color:var(--muted)}.product-card .product-arrow{position:absolute;right:22px;bottom:22px;color:var(--blue);font-size:19px}.material-footer{border-top:1px solid #d4dee7;display:flex;align-items:center;justify-content:space-between;padding-top:16px}.material-footer p{font-size:11px;color:var(--muted);display:flex;gap:10px;align-items:center}.tiny-dot{width:4px;height:4px;background:var(--blue);border-radius:50%;display:inline-block}
.application-tabs{display:flex;border-bottom:1px solid var(--line);gap:58px}.application-tabs button{position:relative;font-size:14px;padding:19px 0 21px;color:var(--muted);white-space:nowrap}.application-tabs button span{font-size:10px;margin-right:12px;font-weight:400;color:#a4adb4}.application-tabs button.active{color:var(--blue);font-weight:600}.application-tabs button.active::after{position:absolute;content:"";height:3px;bottom:-1px;left:0;right:0;background:var(--blue)}.application-panel{display:grid;grid-template-columns:1.15fr 1fr;gap:70px;align-items:center;padding-top:40px;min-height:390px}.application-visual{position:relative;min-height:330px;background:#f6f8fa;overflow:hidden;display:flex;align-items:center;justify-content:center}.application-visual img{width:87%;height:275px;object-fit:contain;mix-blend-mode:multiply;transition:transform .4s}.application-visual:hover img{transform:scale(1.035)}.application-visual .visual-label{position:absolute;bottom:17px;left:20px;font-size:9px;color:#8c9aab;letter-spacing:2px}.application-visual .visual-plus{position:absolute;top:15px;right:19px;font-size:25px;color:#c7d2de;font-weight:300}.application-copy>.eyebrow{font-size:10px}.application-copy h3{font-size:25px;line-height:1.55;font-weight:500;margin-top:13px}.application-copy>p{font-size:12px;line-height:1.9;color:var(--muted);margin-top:14px}.application-parts{margin-top:23px}.application-part{display:flex;align-items:center;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:14px 0;font-size:12px;text-align:left;width:100%}.application-part>span{display:flex;align-items:center;gap:10px}.application-part small{color:var(--muted);font-size:10px}.application-part .part-arrow{font-size:17px;color:var(--blue)}.application-part:hover{color:var(--blue)}
.innovation{background:#112d48;color:white;padding:94px 0 48px;position:relative;overflow:hidden}.innovation::before{content:"";width:520px;height:520px;position:absolute;right:-180px;top:10px;border:1px solid #ffffff0b;border-radius:50%;box-shadow:0 0 0 100px #ffffff03,0 0 0 200px #ffffff02;pointer-events:none}.innovation .container{position:relative}.innovation .section-heading{margin-bottom:35px}.innovation h2{font-size:39px}.innovation .section-heading>p{color:#a3b6c7}.innovation .section-number{color:#7891a9}.research-layout{display:grid;grid-template-columns:1.05fr 1fr;gap:70px;align-items:center}.research-photo{height:310px;position:relative}.research-photo img{width:100%;height:100%;object-fit:cover;object-position:center 58%;filter:saturate(.5)}.research-photo::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#061e42a6,transparent 40%)}.research-photo>span{position:absolute;bottom:19px;left:24px;color:#dce5ee;z-index:1;font-size:10px;letter-spacing:1px}.research-item{display:flex;gap:24px;border-bottom:1px solid #ffffff1b;padding:22px 0}.research-item:first-child{padding-top:0}.research-item:last-child{border-bottom:0;padding-bottom:0}.research-index{font-size:12px;color:var(--orange);padding-top:3px;letter-spacing:1px}.research-item h3{font-size:18px;font-weight:500;letter-spacing:.4px}.research-item p{font-size:11px;color:#a4b7c9;line-height:1.9;margin-top:10px}.production-lines{display:grid;grid-template-columns:repeat(3,1fr) 1.1fr;gap:35px;margin-top:45px;padding:30px 0 36px;border-top:1px solid #ffffff24;border-bottom:1px solid #ffffff24}.production-lines strong{font-size:38px;font-weight:400;letter-spacing:-1px}.production-lines strong span{font-size:10px;color:#a3b7c7;margin-left:10px}.production-lines p{font-size:11px;color:#a4b7c9;margin-top:8px;line-height:1.8}.production-note{display:flex;gap:16px;align-items:center}.production-note p{margin:0}.certifications{display:flex;align-items:center;justify-content:space-between;gap:18px;padding-top:28px;font-size:12px;color:#d1dde7}.cert-label{font-size:10px!important;color:#829bb1;letter-spacing:1px}.certifications small{display:block;margin-top:4px;font-size:8px;color:#829bb1}
.partner-heading{text-align:center}.partner-heading .eyebrow{justify-content:center}.partner-heading h2{font-size:30px;margin-top:20px}.partner-heading p{font-size:11px;color:var(--muted);margin-top:12px}.partner-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:25px;align-items:center;margin-top:49px;text-align:center;color:#5c6a79}.partner-grid>span{font-size:23px;letter-spacing:1px;font-weight:650}.partner-grid small{display:block;font-size:8px;letter-spacing:1.1px;margin-top:8px;font-weight:400;color:#8f9aa5}.partner-grid .partner-gwm{font-size:29px;letter-spacing:-1px}.partner-grid .partner-hongqi{font-family:KaiTi,STKaiti,serif;font-size:34px}.partner-grid .partner-byd{font-size:31px;letter-spacing:0;font-weight:500;font-style:italic}.partner-grid .partner-haier{font-size:29px;letter-spacing:-1px}.partner-grid .partner-midea{font-size:27px;font-style:italic;letter-spacing:-1.2px}.more-partners{font-size:10px;letter-spacing:1px;color:#99a4ad;text-align:center;margin-top:32px}
.contact{background:#f0f4f7;padding:88px 0 86px;position:relative;overflow:hidden}.contact::after{content:"BM";font-size:320px;line-height:1;font-weight:800;color:#e7edf2;position:absolute;left:-70px;bottom:-140px;letter-spacing:-20px;pointer-events:none}.contact-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:110px;position:relative;z-index:1}.contact h2{font-size:36px;margin-top:23px}.contact-intro>p{color:var(--muted);font-size:12px;line-height:2;margin-top:18px}.contact-intro>.button{margin-top:25px}.contact-details{padding-top:5px}.contact-row{padding:21px 0;border-bottom:1px solid #d6e0e8;position:relative}.contact-row>span{display:block;font-size:10px;color:var(--muted);margin-bottom:12px;letter-spacing:1px}.contact-row>a{display:flex;justify-content:space-between;font-size:29px;font-weight:500;letter-spacing:-.7px;color:var(--navy)}.contact-row>a span{font-size:25px;color:var(--blue)}.contact-row p{font-size:13px;line-height:1.8}.copy-address{position:absolute;right:0;bottom:25px;color:var(--blue);font-size:10px;display:flex;gap:9px;padding:5px}.copy-address span{font-size:14px}.brochure-link{margin-top:18px;display:flex}.brochure-link>span:last-child{margin-left:auto}
.footer{background:#fff;padding:39px 0 24px}.footer-top{display:flex;align-items:center;border-bottom:1px solid var(--line);padding-bottom:29px;gap:45px}.footer-top>p{font-size:12px;color:var(--muted);letter-spacing:1px}.footer-brand .brand-name{font-size:20px}.footer-brand img{width:48px}.footer-brand small{font-size:6px}.back-top{margin-left:auto;font-size:11px;color:var(--muted);display:flex;gap:23px;align-items:center}.back-top span{font-size:20px;color:var(--blue)}.footer-bottom{display:flex;justify-content:space-between;gap:20px;padding-top:23px;font-size:9px;color:#8b98a4;line-height:1.8}
.dialog{padding:43px;border:0;width:min(720px,calc(100% - 40px));max-height:calc(100dvh - 60px);color:var(--ink);border-radius:0;box-shadow:0 25px 90px #00152b44;overflow:auto}.dialog::backdrop{background:#071e35a1;backdrop-filter:blur(5px)}.dialog-close{position:absolute;top:12px;right:16px;font-size:28px;color:var(--muted);height:36px;width:36px;z-index:1}.dialog h2{font-size:27px;margin-top:17px;line-height:1.6}.dialog .eyebrow{font-size:10px}.dialog-subtitle{font-size:12px;line-height:1.8;color:var(--muted);margin-top:10px;margin-bottom:27px}.detail-top{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center;margin-top:26px}.detail-top img{width:100%;height:190px;object-fit:contain;mix-blend-mode:multiply}.detail-material{font-size:28px;font-weight:500;margin-bottom:14px;color:var(--blue)}.detail-meta{font-size:12px;line-height:2;color:var(--muted)}.detail-features{display:flex;gap:8px;flex-wrap:wrap;margin-top:25px}.detail-features span{padding:7px 11px;background:var(--pale);font-size:11px;color:#5c7488}.detail-description{font-size:13px;line-height:2;color:#617789;margin-top:21px}.detail-facts{margin-top:25px;width:100%;border-collapse:collapse;font-size:12px}.detail-facts th,.detail-facts td{padding:13px 0;text-align:left;border-top:1px solid var(--line);font-weight:400}.detail-facts th{color:var(--muted);width:45%}.detail-note{font-size:10px;line-height:1.8;color:#8a99a6;margin:17px 0 25px}.detail-actions{display:flex;gap:15px;align-items:center}.detail-actions>a{font-size:13px;color:var(--blue)}.catalog-dialog{width:min(830px,calc(100% - 40px))}.search-label{font-size:11px;color:var(--muted);display:block;margin-bottom:8px}.catalog-search-wrap{display:flex;align-items:center;gap:13px;border:1px solid #ccd7e2;background:#f7f9fb;padding:13px 15px}.catalog-search-wrap svg{color:#6a849b;flex-shrink:0}.catalog-search-wrap input{background:transparent;border:0;outline:none;width:100%;font-size:13px;color:var(--ink)}.catalog-filters{display:flex;flex-wrap:wrap;gap:9px;margin-top:18px}.catalog-filters button{padding:8px 12px;background:var(--pale);font-size:11px;color:var(--muted)}.catalog-filters button.active{background:var(--blue);color:white}.catalog-count{font-size:10px;color:var(--muted);margin-top:24px}.catalog-results{margin-top:12px}.catalog-result{width:100%;text-align:left;display:flex;align-items:center;gap:15px;padding:14px 0;border-bottom:1px solid var(--line)}.catalog-result img{width:65px;height:55px;object-fit:contain;mix-blend-mode:multiply}.catalog-result>div{flex:1}.catalog-result strong{font-size:13px;font-weight:500;display:block}.catalog-result small{font-size:10px;color:var(--muted);display:block;margin-top:7px}.catalog-result>span{font-size:20px;color:var(--blue)}.catalog-empty{padding:36px 0;text-align:center;color:var(--muted);font-size:13px;line-height:1.8}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.inquiry-dialog label{display:block;font-size:12px;margin-bottom:9px;margin-top:20px}.inquiry-dialog label span{font-size:10px;color:var(--muted);margin-left:8px}.inquiry-dialog select,.inquiry-dialog textarea{padding:13px;background:#f6f8fa;border:1px solid #d3dee7;border-radius:0;width:100%;font-size:12px;color:var(--ink)}.inquiry-dialog textarea{resize:vertical;line-height:1.9}.privacy-note{font-size:10px;line-height:1.8;color:var(--muted);margin:17px 0 22px}.inquiry-result{margin-top:27px}.inquiry-result h3{font-size:18px;font-weight:500}.inquiry-result pre{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--pale);font:12px/2 "Segoe UI","Microsoft YaHei",sans-serif;padding:20px;margin:20px 0}.result-actions{display:flex;gap:13px}.inquiry-result>p{font-size:12px;line-height:1.9;margin-top:20px;color:var(--muted)}.inquiry-result>p a{color:var(--blue)}.inquiry-result>.text-link{margin-top:10px}.toast{position:fixed;bottom:30px;left:50%;transform:translate(-50%,15px);background:var(--navy);color:white;box-shadow:0 5px 20px #102d4a22;padding:14px 23px;font-size:12px;max-width:calc(100% - 30px);width:max-content;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:1000;line-height:1.8}.toast.visible{opacity:1;transform:translate(-50%,0)}
@media(min-width:1700px){.hero{height:720px}.hero-content{padding-top:112px}.hero h1{font-size:76px}.hero-image{object-position:center 55%}}
@media(max-width:1150px){.container{width:calc(100% - 72px)}.nav-wrap{width:calc(100% - 56px)}.nav{gap:20px}.nav-actions{gap:14px}.brand-name{font-size:20px}.brand img{width:47px}.brand-name small{font-size:6px;letter-spacing:.9px}.nav-contact{gap:12px}.about-layout{gap:50px}.about-copy .section-number{display:none}.material-tabs button{padding:20px 15px;gap:10px}.material-tabs b{font-size:22px}.material-tabs button span{font-size:10px}.application-panel{gap:40px}.research-layout{gap:40px}.contact-layout{gap:65px}.hero-location{right:36px}.hero-index{right:36px}}
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