/* Local concept preview. Brand: original red / gray / white. Native CSS, no framework.
   DESIGN_VARIANCE: 6; MOTION_INTENSITY: 3; VISUAL_DENSITY: 3.
   Radius: square; layers: header 10, mobile nav 11, native dialogs top layer.
   Original product images are displayed with CSS framing; source bytes are unchanged. */
:root{color-scheme:light;--red:#b9231b;--red-hover:#941c16;--ink:#2c2e30;--muted:#65696d;--line:#d7d9da;--soft:#f3f4f4;--white:#fff;--max:1320px;--gutter:clamp(24px,5vw,80px)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--white);color:var(--ink);font-family:"Helvetica Neue","PingFang SC","Microsoft YaHei",Arial,sans-serif;-webkit-font-smoothing:antialiased}body:has(dialog[open]){overflow:hidden}button,input,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}button{cursor:pointer}a{color:inherit;text-decoration:none}button{color:inherit}img{display:block;max-width:100%;height:auto}button,a,input,select,summary{outline-offset:6px}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid var(--red)}h1,h2,h3,p,figure{margin:0}h2{font-size:clamp(32px,3vw,44px);font-weight:550;line-height:1.45;letter-spacing:-1.4px}p{line-height:1.95;color:var(--muted)}.wrap{width:min(calc(100% - var(--gutter)*2),var(--max));margin-inline:auto}.section-pad{padding-block:100px}.section-side{font-size:14px;color:var(--muted);margin-bottom:24px}.eyebrow{font-size:11px;font-weight:600;letter-spacing:2px;color:var(--red);margin-bottom:24px}.text-link{display:inline-flex;align-items:center;justify-content:space-between;gap:36px;border:0;border-bottom:1px solid var(--ink);background:transparent;padding:8px 0;font-size:14px;font-weight:500;line-height:1.5}.text-link span{font-size:21px;transition:transform .2s}.text-link:hover{color:var(--red);border-color:var(--red)}.text-link:hover span{transform:translate(3px,-2px)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;min-height:52px;padding:14px 25px;font-size:14px;font-weight:500;transition:background .2s,transform .2s}.button span{font-size:20px}.primary{color:var(--white);background:var(--red);border:1px solid var(--red)}.primary:hover{background:var(--red-hover)}.button:active{transform:translateY(1px)}.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}.skip-link{position:fixed;top:8px;left:16px;padding:12px 20px;background:var(--white);z-index:20;transform:translateY(-200%)}.skip-link:focus{transform:translateY(0)}
.preview-note{height:28px;display:flex;align-items:center;justify-content:space-between;padding-inline:var(--gutter);background:#eceeee;font-size:10px;color:#686b6e;letter-spacing:.5px}.site-header{position:sticky;top:0;z-index:10;height:80px;display:flex;align-items:center;justify-content:space-between;gap:32px;padding-inline:var(--gutter);border-bottom:1px solid #e9eaea;background:rgba(255,255,255,.97)}.brand{flex-shrink:0;width:205px}.brand img{width:100%}.site-header nav{display:flex;align-items:center;gap:clamp(18px,1.9vw,29px);font-size:13px;white-space:nowrap}.site-header nav a{padding-block:28px;transition:color .2s}.site-header nav a:hover{color:var(--red)}.site-header nav .nav-contact{color:var(--red);display:flex;gap:18px;align-items:center}.nav-contact span{font-size:18px}.menu-toggle{display:none}
.hero{background:var(--soft);overflow:hidden;scroll-margin-top:28px}.hero-inner{display:grid;grid-template-columns:1.07fr 1fr;align-items:center;min-height:650px;gap:8px}.hero-copy{position:relative;z-index:1;padding-block:60px}.hero h1{font-size:clamp(42px,4.2vw,62px);line-height:1.38;letter-spacing:-2.3px;font-weight:560;white-space:nowrap}.hero h1 em{font-style:normal;color:var(--red)}.hero-description{font-size:15px;margin-top:25px;line-height:1.95}.hero-actions{display:flex;align-items:center;gap:31px;margin-top:35px}.hero-actions .text-link{border-bottom:0;gap:15px}.hero-figure{align-self:stretch;display:flex;flex-direction:column;justify-content:center;position:relative}.hero-photo{position:relative;aspect-ratio:1.18;overflow:hidden;mix-blend-mode:multiply}.hero-photo img{position:absolute;width:163%;max-width:none;left:-31%;top:-25%}.hero-figure figcaption{display:flex;justify-content:space-between;gap:12px;align-items:center;position:absolute;bottom:55px;left:25px;right:0;border-top:1px solid #caced0;padding-top:16px;font-size:12px;color:var(--muted)}.hero-figure figcaption span:last-child{font-size:10px;letter-spacing:1px}
.focus-section{padding-block:90px;display:grid;grid-template-columns:1fr 1.68fr;gap:40px}.focus-section>.section-side{padding-top:10px}.focus-section h2{font-size:36px}.focus-section p:not(.section-side){max-width:640px;margin-top:24px;font-size:15px}.focus-section .text-link{margin-top:25px}.products-section{background:var(--soft)}.section-heading p{margin-top:20px;font-size:15px}.product-tabs{display:grid;grid-template-columns:repeat(4,1fr);margin-top:43px;border-bottom:1px solid var(--line)}.product-tabs button{border:0;border-bottom:3px solid transparent;background:none;text-align:left;padding:20px 12px 20px 0;font-size:17px;margin-bottom:-1px;transition:border-color .2s,color .2s}.product-tabs button span{display:block;margin-top:7px;font-size:11px;color:var(--muted);letter-spacing:.2px}.product-tabs button[aria-selected=true]{border-color:var(--red);color:var(--red)}.product-tabs button:hover{color:var(--red)}.product-feature{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(35px,6vw,100px);align-items:center;padding-block:22px}.product-image{position:relative;aspect-ratio:1.6;overflow:hidden;mix-blend-mode:multiply}.product-image img{position:absolute;max-width:none;width:140%;left:-21%;top:-22%}.product-type{color:var(--red);font-size:12px;margin-bottom:15px}.product-copy{padding-block:20px}.product-copy h3{font-size:30px;line-height:1.5;letter-spacing:-.8px;font-weight:500}.product-copy>p:not(.product-type){font-size:14px;margin-top:20px;max-width:340px}.product-copy dl{font-size:13px;margin:30px 0;display:grid;grid-template-columns:1fr 1fr;max-width:370px}.product-copy dt{color:var(--muted);font-size:11px;margin-bottom:10px}.product-copy dd{margin:0}.product-bottom{display:flex;justify-content:space-between;align-items:center;gap:24px;border-top:1px solid var(--line);padding-top:20px}.product-bottom p{font-size:12px}
.technology-section{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,8vw,120px)}.technology-heading>p:not(.eyebrow){font-size:14px;margin-top:24px}.technology-heading .text-link{margin-top:28px}.technology-list{padding-top:10px}.technology-list details{border-bottom:1px solid var(--line)}.technology-list summary{list-style:none;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:27px 0;cursor:pointer;font-size:20px}.technology-list summary::-webkit-details-marker{display:none}.technology-list summary small{display:block;font-size:11px;color:var(--muted);margin-top:10px;letter-spacing:.2px}.technology-list details>p{padding-bottom:28px;font-size:14px;max-width:430px}.technology-list details[open] summary{color:var(--red)}.expand{position:relative;width:20px;height:20px;flex-shrink:0}.expand::before,.expand::after{content:"";position:absolute;top:9px;left:2px;width:16px;height:1px;background:currentColor}.expand::after{transform:rotate(90deg)}details[open] .expand::after{transform:rotate(0)}
.research-section{background:#eceeef;padding-block:75px}.research-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,8vw,120px)}.research-title .section-side{color:var(--red)}.research-copy{padding-top:15px}.research-copy>p{max-width:490px;font-size:15px}.research-words{display:grid;grid-template-columns:repeat(3,1fr);margin:35px 0 30px}.research-words>span{font-size:21px}.research-words small{display:block;font-size:11px;color:var(--muted);margin-top:10px}.oem-section{padding-block:95px;border-left:3px solid var(--red);padding-left:clamp(24px,5vw,75px);margin-block:65px}.oem-section h2{font-size:clamp(32px,3.6vw,49px)}.oem-section>p:not(.eyebrow){margin:25px 0 30px;font-size:15px}.about-section{display:grid;grid-template-columns:1.12fr 1fr;background:var(--soft)}.about-image{min-height:480px}.about-image img{height:100%;width:100%;object-fit:cover;object-position:34% center}.about-copy{padding:65px clamp(32px,5vw,80px)}.about-copy h2{font-size:36px}.about-copy>p:not(.section-side){font-size:14px;margin-top:25px;max-width:480px}.about-copy .english-company{font-size:11px!important;line-height:1.6;color:#7b7f82}.about-copy .text-link{margin-top:25px}.people-responsibility{display:grid;grid-template-columns:1fr 1fr;gap:clamp(40px,7vw,110px)}.people-responsibility>section+section{border-left:1px solid var(--line);padding-left:clamp(40px,7vw,110px)}.people-responsibility h2{font-size:32px}.people-responsibility p:not(.section-side){font-size:14px;margin-top:24px;max-width:380px}.people-responsibility .text-link{margin-top:24px}
.contact-section{background:#f1f2f2;border-top:3px solid var(--red);padding:75px 0 65px}.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,8vw,120px)}.contact-info{padding-top:8px}.contact-info>span{font-size:12px;color:var(--muted)}.email-link{display:flex;justify-content:space-between;align-items:center;font-size:clamp(18px,2.1vw,30px);letter-spacing:-.5px;border-bottom:1px solid #b4b8ba;padding:18px 0;color:var(--red)}.contact-info>p{font-size:13px;margin-top:24px}.contact-info .text-link{font-size:12px;margin-top:18px;border-bottom:0}.contact-info p.copy-status{font-size:12px;margin-top:8px;min-height:24px;color:var(--red)}footer{padding-block:40px 20px}.footer-main{display:flex;align-items:center;gap:35px;padding-bottom:30px}.footer-main .brand{width:180px}.footer-main p{font-size:12px}.footer-main>a:last-child{margin-left:auto;font-size:12px}.footer-bottom{display:flex;justify-content:space-between;border-top:1px solid #e5e6e6;padding-top:20px;font-size:10px;color:var(--muted)}
dialog{border:0;background:var(--white);color:var(--ink);padding:32px;max-height:90dvh;max-width:calc(100% - 36px);width:1100px}dialog::backdrop{background:rgba(30,33,34,.65);backdrop-filter:blur(3px)}.dialog-top{display:flex;justify-content:space-between;align-items:start;gap:30px;margin-bottom:28px}.dialog-top .section-side{margin-bottom:4px}.dialog-top h2{font-size:30px}.close-dialog{border:1px solid var(--line);width:44px;height:44px;font-size:30px;background:transparent;line-height:1;flex-shrink:0}.close-dialog:hover{color:var(--red);border-color:var(--red)}.catalog-controls{display:grid;grid-template-columns:1fr 220px;gap:15px}.catalog-controls input,.catalog-controls select{width:100%;height:48px;border:1px solid var(--line);padding:10px 14px;background:white;border-radius:0;min-width:0}.catalog-count{font-size:12px;margin:15px 0}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.catalog-item{border:1px solid #e7e8e8;background:var(--soft);padding:0;text-align:left;min-width:0}.catalog-item img{width:100%;aspect-ratio:1.45;object-fit:contain;mix-blend-mode:multiply}.catalog-item-body{display:block;background:white;padding:18px}.catalog-item-body small{display:block;color:var(--muted);font-size:11px;margin-bottom:8px}.catalog-item-body strong{font-size:14px;font-weight:500;line-height:1.6}.catalog-item:hover{border-color:var(--red)}.catalog-footnote{font-size:11px;margin-top:26px}.empty-state{grid-column:1/-1;padding:50px 20px;text-align:center;background:var(--soft);font-size:14px}.detail-content{display:grid;grid-template-columns:1.2fr 1fr;align-items:center;gap:35px}.detail-content h2{font-size:28px}.detail-content>img{width:100%;object-fit:contain}.detail-content p:not(.product-type){font-size:14px;margin-top:18px}.detail-content p.detail-note{font-size:12px;background:var(--soft);padding:16px}.detail-content .button{margin-top:25px}
@media(min-width:1600px){.hero-inner{min-height:720px}.hero h1{font-size:65px}.hero-figure figcaption{bottom:65px}}
@media(max-width:1250px){.site-header nav{display:none;position:absolute;left:0;right:0;top:80px;background:white;border-bottom:1px solid var(--line);padding:20px var(--gutter);z-index:11;max-height:calc(100dvh - 90px);overflow:auto}.site-header nav.open{display:grid;grid-template-columns:1fr 1fr;gap:0 30px}.site-header nav a{padding:18px 0;border-bottom:1px solid #efefef}.menu-toggle{display:flex;gap:15px;align-items:center;background:none;border:0;font-size:12px;min-height:44px}.menu-lines{display:block;width:22px;height:14px;border-top:1px solid var(--ink);border-bottom:1px solid var(--ink)}.hero-inner{min-height:590px}.hero h1{font-size:clamp(38px,4.5vw,54px)}.hero-actions{gap:22px}.hero-actions .text-link{gap:12px;font-size:12px}.hero-actions .button{gap:25px}.hero-figure figcaption{left:10px;bottom:45px}.about-copy{padding:50px 35px}.about-image{min-height:450px}}
@media(max-width:767px){:root{--gutter:24px}html{scroll-padding-top:84px}.section-pad{padding-block:64px}.site-header{height:72px}.brand{width:180px}.site-header nav{top:72px}.site-header nav.open{grid-template-columns:1fr}.site-header nav a{padding:15px 0}.preview-note{font-size:9px;height:26px}.hero-inner{grid-template-columns:1fr;gap:0;min-height:0;padding-bottom:26px}.hero-copy{padding:53px 0 4px}.hero h1{font-size:clamp(31px,7.5vw,52px);letter-spacing:-1.6px;line-height:1.5}.eyebrow{font-size:9px;letter-spacing:1.7px;margin-bottom:22px}.hero-description{font-size:13px;margin-top:21px}.hero-actions{gap:22px;margin-top:26px;flex-wrap:wrap}.button{font-size:13px;min-height:49px;padding:12px 18px;gap:26px}.hero-actions .text-link{font-size:12px}.hero-figure{height:auto;min-width:0}.hero-photo{aspect-ratio:1.6;width:100%;margin-top:15px}.hero-photo img{width:132%;left:-20%;top:-27%}.hero-figure figcaption{position:static;margin:0;left:auto;right:auto;font-size:10px;padding-top:13px}.hero-figure figcaption span:last-child{font-size:9px}.focus-section{grid-template-columns:1fr;gap:0;padding-block:58px}.focus-section>.section-side{padding-top:0;margin-bottom:20px}.focus-section h2{font-size:30px}.focus-section p:not(.section-side){font-size:14px;margin-top:20px}.section-side{font-size:12px;margin-bottom:20px}h2{font-size:30px;letter-spacing:-.8px}.section-heading p{font-size:13px;margin-top:16px}.product-tabs{margin-top:30px}.product-tabs button{font-size:13px;padding:16px 5px 16px 0}.product-tabs button span{font-size:9px;margin-top:7px}.product-feature{grid-template-columns:1fr;gap:0;padding-top:10px}.product-image{aspect-ratio:1.5}.product-copy{padding:0 0 14px}.product-copy h3{font-size:25px}.product-copy>p:not(.product-type){font-size:13px;max-width:none;margin-top:16px}.product-copy dl{margin:24px 0}.product-bottom{align-items:flex-start;flex-direction:column;gap:10px;padding-top:20px}.product-bottom p{font-size:11px}.technology-section{grid-template-columns:1fr;gap:30px}.technology-heading>p:not(.eyebrow){font-size:13px}.technology-list summary{padding:23px 0;font-size:18px}.technology-list details>p{font-size:13px}.research-section{padding-block:58px}.research-inner{grid-template-columns:1fr;gap:20px}.research-copy{padding-top:0}.research-copy>p{font-size:14px}.research-words{margin-top:28px}.oem-section{margin-block:38px;padding:25px 0 25px 22px}.oem-section h2{font-size:28px}.oem-section>p:not(.eyebrow){font-size:13px;margin-top:18px}.about-section{grid-template-columns:1fr}.about-image{min-height:0;height:270px}.about-image img{object-position:center}.about-copy{padding:40px 24px 45px}.about-copy h2{font-size:30px}.people-responsibility{grid-template-columns:1fr;gap:40px}.people-responsibility>section+section{border-left:0;border-top:1px solid var(--line);padding:40px 0 0}.people-responsibility h2{font-size:28px}.people-responsibility p:not(.section-side){font-size:13px}.contact-section{padding-block:48px 32px}.contact-inner{grid-template-columns:1fr;gap:28px}.email-link{font-size:22px}.contact-info>p{font-size:12px}.footer-main{flex-wrap:wrap;gap:20px}.footer-main .brand{width:160px}.footer-main p{width:100%;order:3;font-size:11px}.footer-main>a:last-child{font-size:11px}.footer-bottom{gap:16px;flex-direction:column;font-size:9px}dialog{padding:22px;max-width:calc(100% - 24px);max-height:92dvh}.catalog-controls{grid-template-columns:1fr}.catalog-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.catalog-item-body{padding:12px}.catalog-item-body strong{font-size:12px}.catalog-item-body small{font-size:10px}.dialog-top h2{font-size:26px}.detail-content{grid-template-columns:1fr;gap:15px}.detail-content h2{font-size:24px}.detail-content>img{max-height:330px}.detail-content p:not(.product-type){font-size:13px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}