:root{--blue:#075bad;--navy:#132e46;--ink:#1d3347;--text:#647582;--line:#dce4ea;--pale:#f3f7fa;--ice:#eaf3fa;--white:#fff;--container:1280px}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:150px}body{margin:0;color:var(--ink);font-family:"Microsoft YaHei","PingFang SC",Arial,sans-serif;font-size:16px;line-height:1.85;-webkit-font-smoothing:antialiased}button,input{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{text-decoration:none;color:inherit}img{display:block;max-width:100%}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:500;line-height:1.4;letter-spacing:-.04em}h1{font-size:clamp(40px,4.4vw,64px)}h2{font-size:clamp(30px,3vw,42px)}h3{font-size:24px}p{color:var(--text)}p+p{margin-top:18px}button{color:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #ff9900;outline-offset:5px}.container{width:min(var(--container),calc(100% - 112px));margin:auto}.section{padding:112px 0}.section-heading{margin-bottom:54px}.section-heading>p:last-child:not(.eyebrow){margin-top:20px;max-width:640px}.eyebrow{font-size:13px;letter-spacing:.12em;color:var(--blue);margin-bottom:20px;font-weight:500}.small{font-size:13px;color:var(--text)}.text-link{display:inline-flex;align-items:center;gap:30px;color:var(--blue);font-size:15px;padding-bottom:8px;border-bottom:1px solid #adcadf;transition:gap .25s,border-color .25s}.text-link:hover{gap:40px;border-color:var(--blue)}.text-link span{font-size:24px;line-height:1}.button{display:inline-flex;align-items:center;justify-content:center;gap:36px;min-height:52px;padding:12px 24px;font-size:15px;border:1px solid transparent;transition:background .2s,transform .2s}.button:hover{transform:translateY(-2px)}.primary{color:#fff;background:var(--blue)}.primary:hover{background:#064785}.outline{border-color:var(--blue);color:var(--blue);background:transparent}.actions{display:flex;align-items:center;gap:32px;margin-top:36px}.muted-section{background:var(--pale)}.blue-section{background:var(--ice)}.narrow{max-width:1040px}.split{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:96px}.split>div>h2{margin-bottom:26px}.split .text-link{margin-top:28px}.wide-photo{overflow:hidden;background:var(--pale)}.wide-photo img{width:100%;aspect-ratio:1.22;object-fit:cover;transition:transform .8s}.wide-photo:hover img{transform:scale(1.025)}.skip-link{position:fixed;top:-100px;left:20px;z-index:1000;background:#fff;padding:10px}.skip-link:focus{top:10px}
/* Global navigation */
.header{height:96px;position:sticky;top:0;z-index:40;background:rgba(255,255,255,.94);transition:box-shadow .3s,background .3s;border-bottom:1px solid rgba(220,228,234,.4)}.header.scrolled{box-shadow:0 4px 24px #153b5810;background:#fff}.header-inner{height:100%;width:min(1440px,calc(100% - 80px));margin:auto;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}.brand img{width:49px;height:48px;object-fit:contain}.brand strong{font-size:24px;font-weight:600;letter-spacing:.04em;display:block;line-height:1.4}.brand small{display:block;font-size:10px;letter-spacing:.21em;color:var(--text)}#main-nav{display:flex;gap:36px;align-items:center;height:100%;font-size:15px}#main-nav>a,.nav-product{position:relative;display:flex;align-items:center;height:100%;gap:10px;transition:color .2s}#main-nav>a:hover,.nav-product:hover,#main-nav [aria-current],.nav-product.active{color:var(--blue)}#main-nav [aria-current]:after,.nav-product.active:after{content:"";height:2px;width:22px;background:var(--blue);position:absolute;bottom:20px;left:0}.nav-product{background:none;border:0;padding:0}.nav-dropdown{height:100%;position:relative;display:flex;align-items:center}.dropdown-menu{display:none;position:absolute;left:-26px;top:85px;width:280px;background:white;box-shadow:0 12px 30px #18354c12;padding:18px 24px;border-top:2px solid var(--blue)}.dropdown-menu a{display:block;padding:10px 0;font-size:14px}.dropdown-menu a:hover{color:var(--blue)}.dropdown-menu small{display:block;color:var(--text);font-size:11px}.nav-product[aria-expanded=true]+.dropdown-menu{display:block}.header-contact{border-left:1px solid var(--line);padding-left:28px;color:var(--blue);font-size:14px;display:flex;gap:28px}.menu-toggle{display:none}
/* Home */
.home-hero{background:linear-gradient(110deg,#f9fcfe 0%,#f5f9fc 48%,#eaf2f9 100%);position:relative;overflow:hidden}.hero-grid{display:grid;grid-template-columns:1.04fr 1fr;min-height:660px;align-items:center;position:relative}.hero-copy{position:relative;z-index:2;padding:74px 0}.hero-copy h1{font-size:clamp(44px,4.4vw,66px);font-weight:500;line-height:1.48;letter-spacing:.025em}.blue-dot{color:var(--blue)}.hero-copy>p:not(.eyebrow){font-size:16px;margin-top:27px;line-height:2}.hero-art{height:620px;position:relative;align-self:end}.optical-ring{position:absolute;width:550px;height:550px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#fbfdff 0,#d5e7f6 55%,#bdd7ec 100%);top:25px;left:4%;box-shadow:inset 0 0 0 1px #d5e3ef}.optical-ring:before,.optical-ring:after{content:"";position:absolute;border:1px solid #ffffff99;border-radius:50%;inset:32px}.optical-ring:after{inset:66px}.hero-sg{position:absolute;right:-8%;top:0;width:60%;height:590px}.hero-sg img{width:100%;height:100%;object-fit:contain;mix-blend-mode:multiply;filter:drop-shadow(10px 16px 14px #42688812)}.hero-jm{position:absolute;left:-9%;bottom:36px;width:65%;padding:28px 15px;background:linear-gradient(145deg,#fff,#f4f7fa);box-shadow:0 24px 50px #456d8a16;border-radius:50% 50% 5% 5%;transform:rotate(-8deg)}.hero-jm img{width:100%;mix-blend-mode:multiply;transform:rotate(8deg)}.art-caption{position:absolute;bottom:4px;right:10px;font-size:11px;color:#607a8f;letter-spacing:.16em}.hero-bottom{height:74px;border-top:1px solid #cedde7;display:flex;align-items:center;justify-content:space-between;font-size:11px;color:#7d8d99;letter-spacing:.1em}.hero-bottom a{display:flex;gap:20px;color:var(--ink)}.hero-bottom a span{font-size:20px}.products-home{padding-bottom:70px}.product-feature{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:100px;margin-top:32px}.product-visual{background:#f5f8fa;position:relative;min-height:480px;display:flex;align-items:center;justify-content:center;overflow:hidden}.product-visual>img{width:80%;height:390px;object-fit:contain;mix-blend-mode:multiply;transition:transform .8s}.product-visual:hover>img{transform:scale(1.035)}.visual-label{position:absolute;left:30px;bottom:22px;font-size:12px;letter-spacing:.15em;color:#91a0ac}.product-copy{padding:30px 0}.product-copy h3{font-size:36px}.product-model{font-size:13px;letter-spacing:.15em;color:var(--blue);margin:12px 0 24px}.product-copy>p:not(.eyebrow):not(.product-model){max-width:440px}.feature-tags{display:flex;gap:18px;margin:26px 0 36px;font-size:12px;color:var(--text)}.feature-tags span+span{border-left:1px solid #d2dce3;padding-left:18px}.sg-feature{margin-top:72px}.sg-visual{background:#eef3f7}.sg-visual>img{width:74%;height:450px}.technology-home{background:var(--pale)}.tech-intro{display:flex;align-items:end;justify-content:space-between;margin-bottom:52px;gap:24px}.tech-intro .section-heading{margin-bottom:0}.tech-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:80px;align-items:center}.tech-image{position:relative;overflow:hidden;background:#d9e0e5}.tech-image>img{width:100%;aspect-ratio:1.35;object-fit:cover;transition:transform .8s}.tech-image:hover>img{transform:scale(1.03)}.tech-image>div{position:absolute;inset:auto 0 0;padding:50px 32px 25px;background:linear-gradient(transparent,#0d2433b8);color:white}.tech-image>div>span:first-child{font-size:12px;opacity:.8}.tech-image h3{margin-top:4px;font-size:23px}.tech-image>div>span:last-child{position:absolute;right:30px;bottom:26px;font-size:30px}.tech-notes>div{padding:22px 0 32px;border-bottom:1px solid var(--line)}.tech-notes>div+div{padding-top:32px}.number{font-size:13px;letter-spacing:.12em;color:var(--blue);display:block;margin-bottom:12px}.tech-notes h3{font-size:23px;margin-bottom:14px}.tech-notes p{font-size:14px}.support-home{display:grid;grid-template-columns:1fr 1fr;gap:80px}.support-home article{border-top:1px solid var(--line);padding:32px 0}.outline-icon{width:52px;height:52px;border:1px solid #bcd4e5;display:grid;place-items:center;color:var(--blue);font-size:15px;margin-bottom:30px}.support-home h3{font-size:25px;margin-bottom:18px}.support-home p{max-width:500px;font-size:15px}.support-home .text-link{margin-top:28px}.support-strip{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:30px;margin-top:15px;font-size:14px;color:var(--text);gap:20px}.about-home{background:#f5f7f8}.about-home-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:90px;align-items:center}.about-home-grid h2{margin-bottom:26px}.about-photo{position:relative}.about-photo img{width:100%;aspect-ratio:1.16;object-fit:cover}.about-photo>span{position:absolute;bottom:20px;left:24px;color:#fff;font-size:12px;text-shadow:0 1px 5px #000}.credential-lines{display:flex;flex-direction:column;margin:28px 0 30px;color:var(--text);font-size:13px}.credential-lines span{padding:9px 0;border-bottom:1px solid var(--line)}.credential-lines span:before{content:"＋";color:var(--blue);margin-right:16px}.contact-band{padding:96px 0;background:#eaf3fa}.contact-band>.container{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.contact-intro>p:last-child{margin-top:22px;font-size:14px}.sales-person{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:25px 0;border-bottom:1px solid #c8dce9}.sales-person:first-child{padding-top:0}.sales-person h3{font-size:18px;margin-top:4px}.sales-person .phone{color:var(--blue);font-size:24px;letter-spacing:.02em}.round-arrow{width:36px;height:36px;border-radius:50%;border:1px solid #b5d0e4;display:grid;place-items:center;color:var(--blue);transition:background .2s}.sales-person:hover .round-arrow{background:white}.floating-contact{position:fixed;right:20px;bottom:70px;z-index:30;background:var(--blue);color:#fff;width:62px;min-height:76px;display:flex;align-items:center;flex-direction:column;justify-content:center;box-shadow:0 6px 22px #073d6a15}.floating-contact>span:first-child{font-size:25px;line-height:1.4}.floating-contact>span:last-child{font-size:10px}.mobile-contact{display:none}
/* Inner pages */
.mast{background:linear-gradient(110deg,#f8fbfd,#eaf3fa);padding:100px 0 105px;position:relative;overflow:hidden}.mast .container{position:relative;z-index:1}.mast h1{font-size:clamp(36px,4.4vw,60px);line-height:1.45}.mast p:last-child{margin-top:24px;max-width:600px}.mast-ring{width:620px;height:620px;border-radius:50%;border:75px solid #d9e8f47a;position:absolute;right:-30px;top:-150px}.breadcrumb{display:flex;flex-wrap:wrap;gap:14px;font-size:12px;color:var(--text);padding-top:28px}.breadcrumb a:hover{color:var(--blue)}.product-hero{background:#f7fafc}.product-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center;padding:38px 0 65px}.product-hero-copy h1{font-size:45px;white-space:nowrap}.large-model{color:var(--blue);font-size:26px;letter-spacing:.08em;margin:12px 0 24px}.product-hero-copy>p:not(.eyebrow):not(.large-model){max-width:480px}.gallery{min-width:0}.gallery-stage{height:400px;display:grid;place-items:center}.gallery-main{width:100%;height:100%;border:0;background:transparent;position:relative;padding:10px 40px 30px}.gallery-main>img{height:100%;width:100%;object-fit:contain;mix-blend-mode:multiply}.gallery-main>span{position:absolute;bottom:3px;right:15px;font-size:11px;color:var(--text)}.gallery-thumbs{display:flex;gap:12px;justify-content:center;margin-top:16px}.gallery-thumbs button{width:70px;height:65px;padding:6px;border:1px solid #e1e7ec;background:white}.gallery-thumbs img{height:100%;width:100%;object-fit:contain}.gallery-thumbs button[aria-pressed=true]{border:1px solid var(--blue)}.product-subnav{position:sticky;top:96px;z-index:20;background:#fff;border-bottom:1px solid var(--line)}.product-subnav .container{display:flex;gap:50px;padding:19px 0;overflow-x:auto;white-space:nowrap;font-size:14px}.product-subnav a:hover{color:var(--blue)}.three-lines{display:grid;grid-template-columns:repeat(3,1fr);text-align:center;padding-top:20px}.three-lines>div{padding:12px 20px}.three-lines>div+div{border-left:1px solid var(--line)}.three-lines span{font-size:30px;color:var(--blue)}.three-lines p{font-size:14px;margin-top:10px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:42px}.detail-grid.three{grid-template-columns:repeat(3,1fr);gap:28px}.detail-block>img{width:100%;height:320px;object-fit:contain;background:#f4f7f9;mix-blend-mode:multiply;margin-bottom:28px}.detail-block>span{font-size:12px;color:var(--blue)}.detail-block h3{margin:10px 0 14px;font-size:23px}.detail-block p{font-size:14px;max-width:490px}.detail-grid.three .detail-block>img{height:260px}.numbered-list article{display:flex;gap:28px;border-top:1px solid var(--line);padding:24px 0}.numbered-list b{font-size:13px;color:var(--blue);font-weight:400}.numbered-list h3{font-size:21px;margin-bottom:8px}.numbered-list p{font-size:14px}.resource-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px 80px;align-items:center}.resource-grid h2{font-size:32px;margin-bottom:20px}.resource-grid>div>p:last-child{font-size:14px}.resource-file{display:flex;gap:20px;align-items:center;padding:28px;background:var(--pale);border-top:2px solid var(--blue)}.file-type{font-size:12px;letter-spacing:.1em;border:1px solid #abc7dc;color:var(--blue);padding:14px 10px}.resource-file h3{font-size:17px}.resource-file p{font-size:11px;margin-top:8px}.resource-file a{font-size:13px;color:var(--blue);margin-left:auto;white-space:nowrap}.resource-note{font-size:12px;grid-column:2}.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.faq-list details{border-top:1px solid var(--line);padding:22px 0}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{cursor:pointer;list-style:none;font-size:16px;display:flex;align-items:center;justify-content:space-between;gap:20px}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{color:var(--blue);font-size:23px;transition:transform .2s}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-answer{padding:18px 30px 0 0;font-size:14px;color:var(--text)}.optics-diagram{height:390px;position:relative;background:linear-gradient(#f9fcfe,#dcebf6);overflow:hidden;border:1px solid #dae7f0}.diagram-label{position:absolute;left:25px;top:20px;font-size:12px;letter-spacing:.08em;color:var(--blue)}.probe-shape{position:absolute;top:80px;left:calc(50% - 70px);width:140px;height:86px;border:1px solid #bdcbd5;background:linear-gradient(90deg,#fff,#dfe6eb);border-radius:40px 40px 6px 6px;display:flex;align-items:end;justify-content:space-around;padding:12px}.probe-shape i{width:20px;height:12px;border-radius:5px;background:#5f91bc}.skin-layer{position:absolute;top:166px;left:0;right:0;height:42px;background:#d9c7b880;font-size:11px;text-align:right;padding-right:20px;line-height:42px;color:#8b786a}.path{position:absolute;border:3px solid var(--blue);border-top:0;border-radius:0 0 60% 60%;top:166px;left:calc(50% - 44px);width:88px}.short-path{height:68px;border-color:#47a4cc}.long-path{height:132px;width:122px;left:calc(50% - 61px)}.path-label{position:absolute;font-size:12px;color:var(--blue);top:234px;right:calc(50% + 65px)}.label-long{top:282px;right:auto;left:calc(50% + 75px)}.optics-diagram>p{position:absolute;bottom:18px;left:24px;right:24px;font-size:10px}.spectrum-panel{padding:45px;background:#fff;box-shadow:0 10px 60px #3e689009}.spectrum-title{display:flex;flex-direction:column;gap:18px}.spectrum-title>span{font-size:13px;color:var(--text)}.spectrum-title>strong{font-size:46px;color:var(--blue);font-weight:400;line-height:1.5}.spectrum-title small{font-size:20px}.spectrum-bar{height:50px;background:linear-gradient(90deg,#a3bd43,#d1b044,#cb6744,#bc4d4c,#784d61,#566382);margin-top:35px}.spectrum-scale{display:flex;justify-content:space-between;font-size:11px;color:var(--text);margin-top:10px}.spectrum-panel>p{font-size:11px;margin-top:26px}.patent-callout{padding:32px 0;border-top:1px solid var(--line);margin-top:60px;display:flex;gap:40px;align-items:center;justify-content:space-between}.patent-callout h3{font-size:16px;margin-top:7px}.patent-callout p{font-size:12px;margin-top:8px}.patent-callout>.text-link{white-space:nowrap}.mini-facts{display:flex;gap:24px;color:var(--blue);font-size:13px;margin-top:24px}.training-visual{background:#e9f2f8;padding:40px 30px 20px}.training-screen{background:#fff;box-shadow:0 15px 35px #31557712;padding:35px}.training-screen h3{font-size:32px;margin:18px 0 25px}.training-sheet{display:flex;flex-direction:column;gap:8px;font-size:13px;color:var(--text)}.training-sheet span{padding:8px;border-bottom:1px solid #eef2f5}.document-types{display:flex;gap:12px;margin-top:24px}.document-types span{padding:6px 13px;background:var(--ice);font-size:12px;color:var(--blue)}.visual-note{display:block;font-size:10px;color:var(--text);text-align:center;margin-top:18px}.clean-list{list-style:none;padding:0;margin:24px 0;font-size:14px;color:var(--text)}.clean-list li{padding:10px 0;border-bottom:1px solid var(--line)}.clean-list li:before{content:"＋";margin-right:14px;color:var(--blue)}.warranty{display:flex;gap:65px;margin-top:28px;margin-bottom:22px}.warranty>div{display:flex;flex-direction:column}.warranty strong{font-size:50px;font-weight:400;color:var(--blue);line-height:1.5}.warranty small{font-size:13px;margin-left:8px}.warranty span{font-size:13px;color:var(--text)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px}.service-grid article{border-top:1px solid var(--line);padding-top:28px}.service-grid h3{font-size:20px;margin:23px 0 18px}.service-grid p{font-size:14px}.company-facts{display:flex;gap:60px;margin-top:32px}.company-facts>div{display:flex;flex-direction:column}.company-facts strong{font-size:38px;color:var(--blue);font-weight:400;line-height:1.6}.company-facts span{font-size:12px;color:var(--text)}.about-tech{background:#fff;padding:40px}.about-tech h3{font-size:28px;margin-top:25px}.about-tech p{margin-top:20px;font-size:15px}.about-tech .text-link{margin-top:30px}.certificate-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}.certificate{background:#fff;border:0;padding:24px;position:relative;text-align:left;transition:box-shadow .3s}.certificate:hover{box-shadow:0 15px 40px #193e5510}.certificate img{height:290px;width:100%;object-fit:contain;margin-bottom:22px}.certificate>span:not(.zoom-label){font-size:17px;display:block}.certificate small{display:block;color:var(--text);margin-top:4px;font-size:12px}.zoom-label{display:block;font-size:11px;color:var(--blue);margin-top:15px}.patent-text{margin-top:45px;padding-top:28px;border-top:1px solid var(--line)}.patent-text h3{font-size:20px;margin-bottom:16px}.patent-text p{font-size:13px;margin-top:8px}.patent-text>.small{display:block;margin-top:20px;font-size:11px}.contact-page-grid{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:center}.contact-page-grid h2{margin-bottom:25px}.contact-page-grid>div>p{font-size:15px;max-width:480px}.contact-topics{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:30px;font-size:12px;color:var(--blue)}.company-name{font-size:20px;margin-bottom:20px}.address{font-size:16px}.repair-strip{display:flex;gap:60px;align-items:center;justify-content:space-between}.repair-strip h2{font-size:30px;margin-bottom:20px}.repair-strip .button{flex-shrink:0}.repair-strip p{max-width:760px}.repair-strip .small{margin-top:16px;font-size:11px}.image-dialog{max-width:min(92vw,1100px);max-height:94vh;border:0;background:#fff;padding:30px;box-shadow:0 20px 80px #0005}.image-dialog::backdrop{background:#0c2136b8}.image-dialog>img{max-height:78vh;max-width:100%;object-fit:contain;margin:auto}.image-dialog p{text-align:center;font-size:13px;margin-top:12px}.dialog-close{position:absolute;right:5px;top:0;border:0;background:white;font-size:30px;width:40px;height:40px}.will-reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease}.will-reveal.visible{opacity:1;transform:none}
/* Footer */
footer{padding:62px 0 25px;background:#163047;color:#c8d5df}.footer-top{display:flex;justify-content:space-between;gap:50px}.footer-brand{font-size:27px;color:#fff;display:flex;gap:30px;align-items:center;margin-bottom:24px}.footer-brand>span{font-size:12px;color:#a5bacb;letter-spacing:.08em}.footer-top p{font-size:12px;color:#a5bacb;margin-top:6px}.footer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px 45px;align-content:start;font-size:12px}.footer-links a:hover{color:#fff}.footer-bottom{border-top:1px solid #ffffff1a;padding-top:23px;margin-top:45px;display:flex;gap:25px;justify-content:space-between;font-size:10px;color:#8da5b8}
@media(min-width:1600px){.hero-grid{min-height:730px}.hero-art{height:680px}.hero-sg{height:650px}.optical-ring{width:620px;height:620px}.hero-jm{bottom:45px}}
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.gallery-stage{position:relative;min-width:0;min-height:0}.gallery-main{position:absolute;inset:0;min-height:0;overflow:hidden}.gallery-main>img{position:absolute;inset:10px 30px 30px;width:calc(100% - 60px);height:calc(100% - 40px);max-height:100%;object-fit:contain}.hero-jm{background:transparent;box-shadow:none;transform:none;border-radius:0;mix-blend-mode:multiply}.hero-jm img{transform:none}
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