:root{--navy:#0b223a;--ink:#142a3e;--gold:#eebc2e;--blue:#185b9c;--muted:#64717c;--line:#dbe2e8;--light:#f2f5f7;--white:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;color:var(--ink);font-size:16px;line-height:1.7}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,select,textarea{touch-action:manipulation}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #d89b00;outline-offset:5px}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.25}h1{font-size:clamp(2.6rem,5.4vw,5.5rem);letter-spacing:-.04em;font-weight:600}h2{font-size:clamp(1.9rem,3.2vw,3rem);letter-spacing:-.035em;font-weight:500}h3{font-size:1.25rem;font-weight:600}p{color:var(--muted)}.wrap{width:min(1320px,88%);margin:auto}.section{padding:96px 0}.eyebrow{font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;font-weight:600;margin-bottom:22px;color:var(--blue);display:flex;align-items:center;gap:14px}.eyebrow:before{content:'';height:2px;width:26px;background:var(--gold)}.row{display:flex;justify-content:space-between;align-items:center;gap:28px}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:38px}.section-head h2{margin-bottom:0}.section-head p{max-width:490px;margin-bottom:4px}.btn{display:inline-flex;justify-content:space-between;align-items:center;gap:35px;min-height:52px;padding:13px 24px;background:var(--gold);color:var(--navy);border:1px solid var(--gold);font-weight:600;font-size:.94rem;transition:.2s}.btn:hover{background:#ffd65c;border-color:#ffd65c}.btn.outline{background:transparent;border-color:#9aabb8;color:inherit}.btn.outline:hover{background:#eebc2e;color:var(--navy);border-color:var(--gold)}.btn.dark{background:var(--navy);color:white;border-color:var(--navy)}.links{display:flex;flex-wrap:wrap;gap:16px}.text-link{border-bottom:1px solid currentColor;padding-bottom:6px;font-weight:600;display:inline-flex;gap:24px;align-items:center}.text-link:hover{color:var(--blue)}.skip{position:fixed;left:20px;top:-80px;z-index:100;background:white;padding:10px}.skip:focus{top:10px}header{position:sticky;top:0;z-index:20;background:var(--navy);color:white}.utility{height:31px;display:flex;justify-content:space-between;align-items:center;font-size:.75rem;color:#b8c6d3;border-bottom:1px solid #ffffff18;letter-spacing:.07em}.header-main{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:82px}.brand{display:flex;align-items:center;gap:17px;flex-shrink:0}.brand img{width:99px;height:61px;object-fit:contain}.brand span{border-left:1px solid #ffffff35;padding-left:17px;font-size:14px;line-height:1.5;letter-spacing:.08em}.brand small{font-size:10px;letter-spacing:.11em;color:#a8b8c6}nav{display:flex;align-items:center;gap:28px}nav a{font-size:14px;white-space:nowrap;position:relative;padding:29px 0}nav a.active:after,nav a:hover:after{content:'';position:absolute;bottom:15px;left:0;width:100%;height:2px;background:var(--gold)}.lang{background:transparent;color:white;border:1px solid #ffffff50;padding:6px 11px;white-space:nowrap;font-size:14px}.menu{display:none;border:0;color:white;background:transparent;font-size:24px}.hero{position:relative;min-height:640px;height:calc(90vh - 113px);max-height:900px;background:var(--navy);color:white;overflow:hidden}.hero>img{position:absolute;width:100%;height:100%;object-fit:cover;object-position:center}.hero:after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,24,42,.93),rgba(6,24,42,.58) 42%,rgba(6,24,42,.03) 80%)}.hero-content{position:relative;z-index:1;padding-top:85px;padding-bottom:135px}.hero .eyebrow{color:#c2d2df}.hero h1{max-width:760px;line-height:1.2;margin-bottom:25px}.hero h1 em{font-style:normal;color:var(--gold)}.hero p{color:#d0dbe4;max-width:530px;font-size:1.08rem;margin-bottom:34px}.hero-bottom{position:absolute;z-index:2;bottom:0;width:100%;border-top:1px solid #ffffff35;color:#d1dce5}.hero-bottom .wrap{display:flex;justify-content:space-between;padding:20px 0;font-size:13px;letter-spacing:.07em}.facts{display:grid;grid-template-columns:1.4fr repeat(3,1fr);padding:38px 0;border-bottom:1px solid var(--line);align-items:center;gap:30px}.facts>div+div{border-left:1px solid var(--line);padding-left:35px}.facts strong{font-size:2.6rem;line-height:1.2;display:block;font-weight:500}.facts small{color:var(--muted);font-size:.88rem}.facts h3{margin:0;line-height:1.5}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}.card{display:block;border:1px solid var(--line);background:white;transition:transform .25s,border-color .25s}.card:hover{transform:translateY(-5px);border-color:#91a4b5}.card-picture{height:220px;background:#f6f7f8;overflow:hidden;padding:24px}.card-picture img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;transition:transform .4s}.card:hover img{transform:scale(1.035)}.card-body{padding:24px}.card-body .meta{font-size:12px;letter-spacing:.08em;color:var(--blue);margin-bottom:10px}.card h3{margin-bottom:12px}.card p{font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.card-foot{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px;margin-top:20px;font-size:13px;font-weight:600}.feature{background:var(--navy);color:white}.split{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}.split>img{width:100%;height:460px;object-fit:cover}.feature p{color:#b7c8d7}.feature .eyebrow{color:#b7c8d7}.numbered{margin-top:30px}.numbered a{display:flex;gap:22px;border-top:1px solid #ffffff25;padding:20px 0}.numbered b{color:var(--gold);font-size:13px}.numbered h3{margin:0 0 5px}.numbered p{font-size:14px;margin:0}.project-photo{position:relative}.project-photo img{height:460px;object-fit:cover;width:100%}.photo-label{position:absolute;bottom:18px;left:20px;background:white;padding:8px 15px;font-size:12px}.tag{display:inline-block;padding:4px 12px;background:#e9f0f6;color:var(--blue);font-size:12px;letter-spacing:.06em;margin:0 8px 13px 0}.light{background:var(--light)}.cta{padding:60px 0;background:var(--gold)}.cta h2{margin:0;font-size:2rem}.cta p{color:#425061;margin:8px 0 0}.page-hero{background:var(--navy);color:white;padding:54px 0 66px}.page-hero h1{font-size:clamp(2.3rem,4vw,3.9rem);margin-bottom:20px;max-width:1050px}.page-hero p{color:#bccbd7;max-width:730px;margin-bottom:0}.page-hero .eyebrow{color:#c4d4e0}.crumb{color:#a8bbcb;font-size:13px;margin-bottom:40px}.crumb a:hover{color:var(--gold)}.catalog-tools{display:grid;grid-template-columns:1fr 310px;gap:20px;margin-bottom:25px}.search-box{position:relative}.search-box input{width:100%;padding:16px 20px;border:1px solid #b4c2cc;background:white}.catalog-tools select{padding:12px;border:1px solid #b4c2cc;background:white;min-width:0}.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px}.filters button{padding:8px 15px;border:1px solid var(--line);background:white;font-size:14px}.filters button.active{background:var(--navy);color:white;border-color:var(--navy)}.results-bar{display:flex;justify-content:space-between;align-items:center;font-size:14px;color:var(--muted);margin:0 0 25px}.empty{padding:60px;text-align:center;border:1px solid var(--line);grid-column:1/-1}.pagination{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:40px}.pagination button{width:44px;height:44px;border:1px solid var(--line);background:white}.pagination .active{color:white;background:var(--navy)}.detail-intro{display:grid;grid-template-columns:1.2fr 1fr;gap:70px;align-items:center}.detail-image{background:var(--light);padding:30px;min-height:340px;display:grid;place-items:center}.detail-image img{width:100%;height:330px;object-fit:contain;mix-blend-mode:multiply}.detail-data{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.spec{border:1px solid var(--line);padding:20px 24px;white-space:pre-line;font-size:15px;overflow-wrap:anywhere}.spec.wide{grid-column:1/-1}.spec:first-line{font-weight:600}.source-note{font-size:13px;margin-top:25px}.detail-source{margin-top:30px}.detail-source summary{cursor:pointer;padding:16px;background:var(--light)}.detail-source p{padding:20px}.service-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:25px}.service-grid article{border-top:2px solid var(--gold);padding-top:25px}.service-grid b{font-size:2rem;color:#9aabb8;font-weight:400}.service-grid h3{font-size:1.05rem;margin:20px 0 12px}.service-grid p{font-size:14px}.about-facts{grid-template-columns:repeat(4,1fr)}.about-facts>div:first-child{border:0;padding:0}.engineering-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:20px;margin-top:45px}.engineering-grid article{border-top:1px solid var(--line);padding:25px 0}.engineering-grid strong{font-size:2rem;color:var(--blue)}.engineering-grid p{font-size:14px;margin:12px 0}.download{display:flex;align-items:center;gap:25px;padding:30px;border:1px solid var(--line);margin-bottom:18px;background:white}.download .file-icon{font-size:14px;border:1px solid var(--blue);padding:20px 14px;color:var(--blue)}.download h3{margin:0 0 8px}.download p{margin:0;font-size:14px}.download .btn{margin-left:auto;flex-shrink:0}.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:80px}.contact-item{padding:20px 0;border-bottom:1px solid var(--line)}.contact-item small{display:block;color:var(--muted);font-size:14px}.contact-item a{font-size:1.25rem}.contact-item p{margin-bottom:0;color:var(--ink)}.form{background:var(--light);padding:36px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form label{display:block;font-size:14px}.form input,.form textarea,.form select{display:block;width:100%;margin-top:8px;padding:12px;border:1px solid #bcc8d0;background:white;min-width:0}.form textarea{min-height:140px;resize:vertical}.full{grid-column:1/-1}.form .note{font-size:13px;margin:20px 0;color:var(--muted)}#mail-status{font-size:14px;margin-top:15px}.list-clean{padding-left:20px;color:var(--muted)}.research{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.research article{border:1px solid var(--line);padding:26px}.research h3{margin-bottom:10px}.research p{margin:0;font-size:14px}footer{background:#081b2e;color:white;padding:60px 0 0}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:50px}.footer-brand img{width:125px;height:85px;object-fit:contain;margin-bottom:20px}.footer-brand p{font-size:14px;color:#a9becf;max-width:320px}.footer-grid h3{font-size:14px;color:white;margin-bottom:20px}.footer-grid a{display:block;color:#a9becf;font-size:14px;margin-bottom:10px;overflow-wrap:anywhere}.footer-grid a:hover{color:var(--gold)}.footer-end{border-top:1px solid #ffffff20;margin-top:45px;padding:23px 0;font-size:12px;display:flex;justify-content:space-between;gap:20px;color:#94aabd}#top{position:fixed;bottom:22px;right:22px;height:44px;width:44px;border:1px solid #ffffff50;color:white;background:var(--navy);z-index:10;font-size:20px}.route-404{text-align:center;padding:100px 0}.mobile-only{display:none}@media(min-width:1500px){.hero-content{padding-top:115px}}@media(max-width:1200px){nav{gap:15px}.brand span{display:none}.wrap{width:90%}.hero h1{font-size:4.4rem}.split{gap:40px}.grid{gap:18px}.card-picture{height:190px}.footer-grid{gap:25px}}@media(max-width:900px){.header-main{min-height:74px}.utility{display:none}.menu{display:block;margin-left:auto}nav{display:none;position:absolute;top:74px;left:0;right:0;background:var(--navy);padding:20px 5%;flex-direction:column;align-items:stretch;gap:0;border-top:1px solid #ffffff25}nav.open{display:flex}nav a{padding:13px 0}nav a.active:after{bottom:4px;width:30px}.hero{min-height:620px;height:auto}.hero-content{padding-top:85px}.hero h1{font-size:3.7rem}.facts{grid-template-columns:repeat(3,1fr)}.facts>div:first-child{grid-column:1/-1}.facts>div:nth-child(2){border:0;padding-left:0}.split,.detail-intro{gap:32px}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.section{padding:65px 0}.section-head{align-items:start;flex-direction:column}.service-grid{grid-template-columns:repeat(3,1fr)}.contact-grid{grid-template-columns:1fr;gap:35px}.footer-grid{grid-template-columns:2fr 1fr}.about-facts{grid-template-columns:repeat(2,1fr)}.about-facts>div:first-child{grid-column:auto}.engineering-grid{grid-template-columns:repeat(3,1fr)}}@media(max-width:600px){.wrap{width:89%}.brand img{width:86px}.lang{font-size:12px}.header-main{gap:16px}.hero{min-height:620px}.hero>img{object-position:64% center}.hero:after{background:linear-gradient(90deg,#06182aeb,#06182a75)}.hero h1{font-size:2.8rem;line-height:1.35;letter-spacing:-.025em}.hero-content{padding-top:65px}.hero p{font-size:15px}.hero-bottom .wrap{font-size:11px}.hero-bottom .wrap span:last-child{display:none}.eyebrow{font-size:11px;letter-spacing:.12em}.facts{gap:16px;padding:28px 0}.facts strong{font-size:2rem}.facts small{font-size:11px}.facts>div+div{padding-left:16px}.facts h3{font-size:18px}.split,.detail-intro{grid-template-columns:1fr}.split>img,.project-photo img{height:300px}.section{padding:52px 0}.grid{grid-template-columns:1fr}.card-picture{height:220px}.cta .row{align-items:start;flex-direction:column}.catalog-tools{grid-template-columns:1fr}.filters{gap:7px}.filters button{font-size:12px;padding:7px 10px}.page-hero{padding:30px 0 45px}.crumb{margin-bottom:27px}.detail-data{grid-template-columns:1fr}.detail-image{padding:20px;min-height:200px}.detail-image img{height:230px}.service-grid,.engineering-grid,.research{grid-template-columns:1fr 1fr}.service-grid{gap:18px}.download{flex-wrap:wrap;padding:22px;gap:18px}.download .btn{margin:0;width:100%}.download .file-icon{display:none}.form{padding:22px}.form-grid{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:30px}.footer-brand{grid-column:1/-1}.footer-end{flex-direction:column}.about-facts>div{padding-left:16px}.about-facts strong{font-size:2rem}.research{grid-template-columns:1fr}.btn{gap:20px;padding:12px 19px}.section-head{gap:20px}h2{font-size:1.9rem}.contact-item a{font-size:1.1rem}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:600px){.light>.row{flex-direction:column;align-items:flex-start}.engineering-grid strong{font-size:1.5rem}}

[hidden]{display:none!important}.filters a{padding:8px 15px;border:1px solid var(--line);background:white;font-size:14px}.filters a.active{background:var(--navy);color:white}.filters a:hover{border-color:var(--blue)}.fact-heading{font-size:1.25rem!important;font-weight:600!important;letter-spacing:normal!important;line-height:1.5!important;margin:0}.footer-end a{text-decoration:underline}.catalog-empty{padding:35px;text-align:center}.lang{cursor:pointer}.search-box input{margin-top:0}.brand img{height:61px}.footer-brand img{height:85px}@media(max-width:900px){.no-js nav{display:flex;position:static;flex-direction:row;flex-wrap:wrap;padding:10px 0}.no-js .header-main{flex-wrap:wrap}.no-js .menu{display:none}}@media(max-width:600px){.filters a{font-size:12px;padding:7px 10px}}