:root{--ink:#1d1d1f;--muted:#626269;--line:#dedee3;--soft:#f5f5f7;--blue:#0066cc;color-scheme:light;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;color:var(--ink);background:#fff;font-synthesis:none}
*{box-sizing:border-box}body{margin:0;font-size:16px;line-height:1.6}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,summary{cursor:pointer}img{max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.1;letter-spacing:-.035em;font-weight:600}h1{font-size:clamp(38px,5.7vw,76px);margin-bottom:24px}h2{font-size:clamp(28px,3.5vw,44px)}h3{font-size:24px}p{color:var(--muted)}a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible{outline:3px solid var(--blue);outline-offset:4px}html[lang^=zh] h1,html[lang^=zh] h2,html[lang^=ja] h1,html[dir=rtl] h1{letter-spacing:0;line-height:1.2}html[dir=rtl] .card-arrow{transform:scaleX(-1)}
.container{max-width:1160px;width:calc(100% - 64px);margin-inline:auto}.section{padding-block:80px}.section-soft{background:var(--soft)}.reading{max-width:760px}.reading p{white-space:pre-line}.eyebrow{color:var(--blue);font-size:12px;font-weight:600;letter-spacing:.055em;margin-bottom:18px}.lead{font-size:clamp(18px,1.8vw,21px);line-height:1.55;max-width:620px}.small{font-size:13px}.muted{color:var(--muted)}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:20px;margin-top:30px}.button{display:inline-flex;gap:14px;align-items:center;justify-content:center;min-height:46px;padding:11px 22px;border:1px solid transparent;border-radius:26px;background:var(--blue);color:#fff;font-size:14px;font-weight:600;line-height:1.4}.button:hover{background:#0055ad}.button:disabled{opacity:.6;cursor:wait}.button-small{min-height:36px;padding:8px 16px;font-size:12px}.text-link{color:var(--blue);font-weight:500}.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.site-header{height:72px;border-bottom:1px solid var(--line);background:#fff}.site-header-inner{height:100%;display:flex;align-items:center;gap:32px;padding-inline:32px;max-width:1440px;margin:auto}.brand{display:inline-flex;align-items:center;gap:9px;font-size:17px;font-weight:600}.brand img{width:32px;height:32px}.desktop-nav{display:flex;gap:30px;margin-inline-start:auto;font-size:13px;color:var(--muted)}.header-tools{display:flex;align-items:center;gap:22px}.language-picker,.mobile-menu{position:relative;font-size:13px}.language-picker summary{list-style:none;min-width:45px;min-height:36px;display:flex;align-items:center;gap:8px}.language-picker nav,.mobile-menu nav{position:absolute;z-index:10;inset-inline-end:0;top:42px;width:190px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 26px #00000010}.language-picker nav a,.mobile-menu nav a{display:block;padding:8px 10px;border-radius:6px}.language-picker nav a:hover,.mobile-menu nav a:hover{background:var(--soft)}.mobile-menu{display:none}.mobile-menu summary{list-style:none;padding:8px}.site-footer{border-top:1px solid var(--line);background:var(--soft)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-block:32px}.footer-inner nav{display:flex;gap:24px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.home-hero{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:65px;padding-block:56px 72px;min-height:620px}.hero-copy h1{max-width:10ch}.hero-media{display:grid;place-items:center;background:var(--soft);border-radius:24px;height:510px;overflow:hidden}.hero-media img{display:block;width:360px;height:475px;object-fit:contain}.hero-media picture{display:block}.selection{display:grid;grid-template-columns:1fr 1fr;gap:65px}.selection .small{margin-top:30px}.section-heading{display:flex;align-items:end;justify-content:space-between;gap:20px;margin-bottom:32px}.section-heading h2{margin-bottom:0}.article-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}.article-grid article{border-top:1px solid var(--line);padding-top:24px}.article-grid h3{font-size:22px;line-height:1.25}.article-grid p{font-size:15px}.article-grid a:hover{color:var(--blue)}
.page-heading{padding-bottom:32px;max-width:800px}.page-heading .lead{max-width:700px}.category-nav{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:36px}.category-nav a{border:1px solid var(--line);border-radius:24px;padding:8px 16px;font-size:14px}.category-nav a[aria-current=page]{background:var(--ink);color:#fff}.product-group{margin-block:48px}.product-group h2{font-size:28px}.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.product-card{border:1px solid var(--line);border-radius:18px;overflow:hidden}.card-image{height:240px;background:var(--soft);display:grid;place-items:center}.card-image img{width:85%;height:210px;object-fit:contain}.card-copy{position:relative;padding:24px}.card-copy .eyebrow{font-size:11px;margin-bottom:12px}.card-copy h3{font-size:24px;line-height:1.2;margin-bottom:14px}.card-copy p{font-size:14px;line-height:1.5}.card-specs{font-size:12px;color:var(--muted);padding-inline-start:16px}.card-arrow{position:absolute;inset-inline-end:20px;bottom:12px;color:var(--blue)}.product-card:hover{border-color:#8b8b90}.empty-state{max-width:700px;border-top:1px solid var(--line);padding-block:32px}.empty-state p{margin-bottom:24px}
.breadcrumbs{font-size:12px;color:var(--muted);display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}.product-hero{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.product-hero h1{font-size:clamp(36px,4vw,56px)}.product-hero-image{background:var(--soft);border-radius:20px;height:430px;display:grid;place-items:center}.product-hero-image img{height:390px;width:90%;object-fit:contain}.product-content{max-width:850px}.product-content section{margin-top:52px}.product-content h2{font-size:30px}.product-content p{white-space:pre-line}.table-scroll{overflow:auto;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;font-size:14px}td,th{text-align:start;padding:14px 18px;border-bottom:1px solid var(--line)}th{font-weight:600;background:var(--soft)}tr:last-child td,tr:last-child th{border-bottom:0}.product-content details{border-top:1px solid var(--line);padding:18px 0}.product-content summary{font-weight:600}.product-content details p{margin-top:14px}.downloads{display:grid;gap:12px}.downloads a{color:var(--blue);text-decoration:underline}.media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.media-grid img{width:100%;height:280px;object-fit:contain;background:var(--soft);border-radius:12px}video{width:100%;max-height:480px;background:var(--soft)}.note{border-inline-start:3px solid var(--blue);padding-inline-start:20px;font-size:14px;color:var(--muted)}.product-inquiry{margin-top:60px;padding:32px;background:var(--soft);border-radius:16px}.product-inquiry h2{font-size:30px}
.contact-grid{display:grid;grid-template-columns:minmax(0,680px) 1fr;gap:80px}.contact-aside{padding-top:8px}.contact-aside h2{font-size:22px}.contact-aside p{font-size:14px;margin-top:18px}.inquiry-form label{display:block;font-size:14px;margin-bottom:8px;color:var(--ink)}.inquiry-form input:not([type=checkbox]),.inquiry-form textarea{display:block;width:100%;padding:12px;border:1px solid #bdbdc4;border-radius:8px;background:#fff;color:var(--ink);margin-bottom:24px}.inquiry-form textarea{resize:vertical}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:20px}.inquiry-form .consent{display:flex;gap:10px;align-items:start;font-size:13px;color:#505057}.consent input{margin-top:5px;flex-shrink:0;accent-color:var(--blue)}.consent a{color:var(--blue);text-decoration:underline}.form-optional{margin-block:0 24px}.form-optional summary{font-size:14px;margin-bottom:16px}.form-result:empty{display:none}.form-result{padding:12px;border-radius:8px;background:var(--soft);font-size:14px}.form-result[data-state=error]{color:#aa162a;background:#fff0f1}.form-result[data-state=success]{color:#17613b;background:#eaf7ef}.trap{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
@media(max-width:900px){.desktop-nav{gap:18px}.site-header-inner{gap:18px}.header-tools{gap:12px}.home-hero{gap:32px}.product-grid{grid-template-columns:repeat(2,1fr)}.contact-grid{gap:40px;grid-template-columns:1.5fr 1fr}.product-hero{gap:32px}}
@media(max-width:760px){.container{width:calc(100% - 40px)}.section{padding-block:52px}.site-header{height:64px}.site-header-inner{padding-inline:20px;justify-content:space-between;gap:12px}.desktop-nav{display:none}.mobile-menu{display:block}.brand span{display:none}.header-tools{gap:12px}.header-tools .button{font-size:11px;padding:8px 12px;max-width:170px}.home-hero{grid-template-columns:1fr;gap:28px;padding-block:38px 44px;min-height:0}.hero-copy h1{font-size:42px;max-width:15ch;margin-bottom:18px}.lead{font-size:18px}.hero-copy .eyebrow{margin-bottom:16px}.actions{gap:18px;margin-top:24px}.hero-media{height:320px;border-radius:20px}.hero-media img{width:230px;height:304px}.selection,.product-hero,.contact-grid{grid-template-columns:1fr;gap:24px}.selection h2{margin-bottom:0}.article-grid,.product-grid{grid-template-columns:1fr}.product-card>a{display:block}.card-image{height:260px}.card-image img{height:230px}.section-heading{align-items:start;flex-direction:column}.footer-inner{align-items:start;flex-direction:column;gap:20px}.footer-inner .brand span{display:inline}.footer-inner nav{gap:16px}.product-hero-image{height:340px}.product-hero-image img{height:310px}.media-grid{grid-template-columns:1fr}.form-row{grid-template-columns:1fr;gap:0}.product-content section{margin-top:36px}.page-heading{padding-bottom:16px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}
@keyframes hero-rise{from{transform:translateY(10px)}to{transform:translateY(0)}}.hero-copy>*{animation:hero-rise .45s ease-out both}.hero-copy .lead{animation-delay:.04s}.hero-copy .actions{animation-delay:.08s}.hero-media{position:relative}.home-motion-video{position:absolute;inset:0;width:100%;height:100%;max-height:none;object-fit:contain;opacity:0;pointer-events:none;background:var(--soft)}[data-motion-state=playing] .home-motion-video{opacity:1}.motion-toggle{position:absolute;inset-inline-end:16px;bottom:16px;z-index:1}.motion-toggle[hidden]{display:none}@media(prefers-reduced-motion:reduce){.hero-copy>*{animation:none}}
.gallery-filters{display:flex;flex-wrap:wrap;align-items:end;gap:16px;padding:24px;background:var(--soft);border-radius:18px}.gallery-filters label{display:grid;gap:8px;flex:1 1 190px;min-width:0;font-size:13px;font-weight:600}.gallery-filters select{width:100%;min-width:0;min-height:46px;padding:10px 34px 10px 12px;border:1px solid #bdbdc4;border-radius:10px;background:#fff;color:var(--ink)}select:focus-visible{outline:3px solid var(--blue);outline-offset:4px}.gallery-filters .text-link{padding-block:11px;font-size:14px}.gallery-count{font-size:14px;margin-top:20px}.product-gallery .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}.product-gallery .card-image{height:330px}.product-gallery .card-image img{width:90%;height:300px;object-fit:contain}.product-gallery .card-copy{padding:28px 28px 36px;overflow-wrap:anywhere}.product-card>a{display:block;height:100%}.card-applications{list-style:none;display:flex;flex-wrap:wrap;gap:8px;padding:0;margin:16px 0}.card-applications li{font-size:12px;color:var(--muted);padding:4px 10px;border:1px solid var(--line);border-radius:16px;overflow-wrap:anywhere}
@media(max-width:760px){.product-gallery .product-grid{grid-template-columns:1fr;gap:20px}.product-gallery .card-image{height:290px}.product-gallery .card-image img{height:260px}.gallery-filters{padding:18px}.gallery-filters label{flex-basis:100%}.product-gallery .card-copy{padding:24px 24px 34px}}
.article-intro{max-width:800px;margin-bottom:48px}.article-grid{display:grid;gap:24px}.article-card{padding:28px;background:var(--soft);border:1px solid var(--line);border-radius:18px}.article-card:hover{border-color:var(--blue)}.article-card h2{font-size:26px}.article-card .meta,.byline,.cover-meta{font-size:13px;color:var(--muted)}.article-page .back,.article-page .sources a,.article-page .products a,.article-page .content a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}.article-page>.eyebrow{margin-top:36px}.article-page h1{font-size:clamp(36px,5vw,60px)}.article-page .summary{font-size:21px}.cover-image{margin:32px 0;background:var(--soft);border-radius:16px;overflow:hidden}.cover-image img{display:block;width:100%;max-height:540px;object-fit:contain;aspect-ratio:4/3}.cover-image figcaption{display:grid;gap:6px;padding:16px}.answer{margin-block:30px;padding:24px;border-inline-start:3px solid var(--blue);background:var(--soft)}.byline{margin-block:28px}.content{line-height:1.85;overflow-wrap:anywhere}.content h2{font-size:32px}.content h3{font-size:25px}.content h2,.content h3{margin-top:1.8em}.content pre{overflow:auto;padding:16px;background:var(--soft);direction:ltr}.content code{background:var(--soft)}.article-page .faq,.article-page .sources,.article-page .products{margin-top:44px}.article-page .faq h2,.article-page .sources h2,.article-page .products h2{font-size:30px}.article-page .faq article{padding:20px 0;border-top:1px solid var(--line)}.article-page .faq h3{font-size:21px}.article-page .note{font-size:14px;color:var(--muted)}.article-page li{overflow-wrap:anywhere}.evidence-card{padding:20px 0;border-top:1px solid var(--line)}.evidence-card h3{font-size:20px}.evidence-card a{color:var(--blue);overflow-wrap:anywhere}
@media(min-width:761px){.home-hero .hero-copy h1{max-width:none}}
.home-hero-cinematic{grid-template-columns:1fr;gap:44px;padding-block:64px 40px;min-height:0}
.home-hero-cinematic .hero-copy{text-align:center;max-width:960px;width:100%;margin-inline:auto}
.home-hero-cinematic .hero-copy h1{font-size:clamp(40px,6.4vw,80px);max-width:none;margin-bottom:24px;text-wrap:balance}
.home-hero-cinematic .lead{max-width:720px;margin-inline:auto;text-wrap:pretty}
.home-hero-cinematic .actions{justify-content:center;gap:24px;margin-top:28px}
.home-hero-cinematic .actions .button{font-size:16px;min-height:52px;padding-inline:28px}
.home-hero-cinematic .hero-media{aspect-ratio:16/9;width:100%;height:auto;border-radius:28px;background:#f5f5f7;isolation:isolate}
.home-hero-cinematic .hero-media>img,.home-hero-cinematic .hero-media picture,.home-hero-cinematic .hero-media picture img{width:100%;height:100%;object-fit:contain}
.home-hero-cinematic .hero-media>img,.home-hero-cinematic .hero-media picture{position:absolute;inset:0}
.home-hero-cinematic .home-motion-video{object-fit:contain;transition:opacity .3s ease}
.home-hero-cinematic+.section .product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
.product-gallery{padding-block:40px 72px}
.product-gallery .page-heading{max-width:960px;padding-bottom:12px}
.product-gallery .page-heading .eyebrow{margin-bottom:12px}
.product-gallery .page-heading h1{font-size:clamp(34px,4vw,52px);margin-bottom:16px}
.product-gallery .page-heading .lead{max-width:900px;font-size:18px;margin-bottom:12px}
.product-gallery .category-nav{margin-bottom:24px}
.product-gallery .gallery-filters{padding:18px 20px}
.product-gallery .gallery-count{margin-block:16px 0}
.product-gallery .product-group{margin-block:24px 40px}
@media(max-width:760px){.home-hero-cinematic{padding-block:40px 24px;gap:30px}.home-hero-cinematic .hero-copy h1{font-size:clamp(36px,9.8vw,52px);margin-bottom:18px}.home-hero-cinematic .lead{font-size:17px;line-height:1.6}.home-hero-cinematic .actions{gap:18px;margin-top:24px;flex-direction:column}.home-hero-cinematic .hero-media{border-radius:18px}.home-hero-cinematic .motion-toggle{inset-inline-end:10px;bottom:10px}.home-hero-cinematic+.section .product-grid{grid-template-columns:1fr}}