:root{--ink:#10263f;--muted:#5c6b7d;--paper:#f5f7fa;--line:#d8e0ea;--accent:#174b82;--white:#fff;--radius:3px;--max:1320px;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer}img{display:block;max-width:100%}button{color:inherit}a,button{-webkit-touch-callout:default}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:3px solid #2474bd;outline-offset:5px}button{border:0}h1,h2,h3,p{margin:0}h1,h2,h3{font-weight:600}p{line-height:1.65}button:disabled{opacity:.5;cursor:not-allowed}[hidden]{display:none!important}.container{width:calc(100% - 112px);max-width:var(--max);margin:auto}.skip-link{position:fixed;left:20px;top:-100px;background:var(--accent);z-index:50;padding:16px}.skip-link:focus{top:12px}.utility{background:var(--ink);color:#d0d7e0;font-size:11px;letter-spacing:1.45px;font-weight:600;height:33px}.utility>.container{display:flex;justify-content:space-between;align-items:center;height:100%}.preview-label{color:var(--accent);letter-spacing:1px;font-size:10px}.header{background:var(--paper);position:sticky;top:0;z-index:20;border-bottom:1px solid var(--line)}.header-inner{height:92px;display:flex;align-items:center;gap:38px;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;font-weight:850;line-height:.97;font-size:21px;letter-spacing:-.8px}.brand small{display:block;font-size:10px;font-weight:500;letter-spacing:4px;margin-top:6px}.brand-icon{width:39px;height:39px;background:var(--accent);display:flex;align-items:center;justify-content:center}.brand svg{width:34px;height:34px}.desktop-nav{display:flex;gap:28px;align-items:center;font-size:14px;font-weight:600}.desktop-nav a{padding:12px 0;position:relative;white-space:nowrap}.desktop-nav a:hover:after,.desktop-nav a[aria-current=page]:after{content:'';position:absolute;bottom:3px;left:0;width:100%;height:2px;background:var(--ink)}.header-actions{display:flex;align-items:center;gap:21px}.language{background:none;font-size:13px;white-space:nowrap;display:flex;align-items:center;gap:9px}.language span{font-size:22px}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:38px;background:var(--accent);padding:19px 24px;min-height:58px;font-size:15px;font-weight:600;border:1px solid transparent;transition:background .15s,transform .15s}.button:hover{background:#0f3967;transform:translateY(-1px)}.button span{font-size:24px;font-weight:400;line-height:1}.button-small{font-size:13px;min-height:44px;padding:13px 18px;gap:24px}.button-dark{background:var(--ink);color:white}.button-dark:hover{background:#1b426b}.button-outline{background:transparent;border-color:var(--line)}.button-outline:hover{background:#e8ebef}.inline-link{font-size:15px;font-weight:600;display:inline-flex;gap:28px;align-items:center;border-bottom:1px solid var(--ink);padding-bottom:7px}.inline-link span{font-size:22px}.menu-toggle{display:none;background:none;padding:12px 0 12px 10px;width:32px}.menu-toggle span{display:block;height:2px;background:var(--ink);margin:6px 0}.mobile-nav{padding:12px 28px 28px;border-top:1px solid var(--line)}.mobile-nav a{display:block;font-size:20px;padding:14px 0}.eyebrow{display:block;font-size:11px;letter-spacing:1.7px;font-weight:700;text-transform:uppercase;line-height:1.5}.eyebrow i{width:7px;height:7px;display:inline-block;background:var(--ink);margin-right:10px}.hero{padding:32px 0 0}.hero-grid{display:grid;grid-template-columns:1fr 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0}.cta>.container{display:flex;align-items:center;justify-content:space-between;gap:30px}.cta h2{font-size:50px;font-weight:600}footer{background:var(--ink);color:var(--paper)}.footer-main{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:45px;padding:65px 0 55px}.footer-main .brand svg{color:var(--accent)}.footer-main p{color:#94a9c3;font-size:14px;margin-top:25px}.footer-main h3{font-size:14px;margin-bottom:22px}.footer-main>div>a:not(.brand){display:block;color:#aabacf;font-size:14px;margin-top:16px}.footer-note .eyebrow{color:var(--accent)}.footer-note p{margin-top:18px;font-size:13px}.footer-bottom{padding:24px 0;border-top:1px solid #33445a;display:flex;align-items:center;gap:35px;font-size:11px;color:#91a6c1}.footer-bottom>span{margin-right:auto}.text-button{background:none;padding:0;font-size:inherit;color:inherit}.text-button:hover{text-decoration:underline}.footer-bottom a:hover{text-decoration:underline}
@media(min-width:1600px){.hero-grid{min-height:690px}.hero-photo{min-height:670px}}
@media(max-width:1200px){.container{width:calc(100% - 64px)}.desktop-nav{gap:20px;font-size:13px}.header-inner{gap:24px}.header-actions{gap:16px}.brand{font-size:18px}.brand small{font-size:9px;letter-spacing:3px}.hero-grid{min-height:580px}.hero-photo{min-height:560px}.hero h1{font-size:61px;letter-spacing:-3.8px}.hero-buttons{gap:20px}.hero-buttons>.inline-link{font-size:13px}.story-grid{gap:45px}.product-image{height:290px}.hero-caption{gap:25px}}
@media(max-width:960px){.desktop-nav{display:none}.menu-toggle{display:block}.header-inner{height:80px}.hero-grid{grid-template-columns:1fr 1fr}.hero h1{font-size:49px;letter-spacing:-3px}.hero-buttons{align-items:flex-start;flex-direction:column}.hero-copy{padding-top:22px}.hero-photo{min-height:580px}.hero-caption{font-size:9px;gap:16px}.photo-label{left:14px;top:14px;font-size:8px;padding:10px}.section-intro{gap:35px}.section-intro h2,h2{font-size:35px}.section-intro>p{max-width:290px}.product-image{height:250px}.product-meta h3{font-size:21px}.product-meta p{font-size:12px}.product-meta b{margin:0 5px}.story-copy h2{font-size:33px}.story-grid{gap:30px}.story-image{height:400px}.story-tags{gap:5px}.story-tags span{font-size:10px}.service-row{gap:25px}.service-row>div h2{font-size:30px}.service-row>a{padding-left:24px}.footer-main{gap:25px}.category-strip a{font-size:11px;padding:22px 14px}.eyebrow{font-size:10px}}
@media(max-width:680px){.container{width:calc(100% - 40px)}.utility{height:28px;font-size:8px;letter-spacing:.8px}.preview-label{font-size:8px}.header-inner{height:74px;gap:14px}.brand{font-size:17px;gap:8px}.brand-icon{width:32px;height:34px}.brand small{font-size:8px;letter-spacing:3px}.header-actions{gap:12px}.header-actions>.button{display:none}.language{font-size:12px;gap:6px}.language span{font-size:19px}.hero{padding-top:0}.hero-grid{grid-template-columns:1fr;gap:25px}.hero-copy{padding:32px 0 0}.hero h1{font-size:clamp(48px,11.4vw,73px);letter-spacing:-3px;margin:27px 0 20px;line-height:1.01}.hero-copy>p{font-size:15px;max-width:440px}.hero-buttons{flex-direction:row;align-items:center;gap:24px;margin-top:25px}.hero-buttons .button{font-size:14px;padding:16px 18px;gap:22px;min-height:52px}.hero-buttons>.inline-link{font-size:12px;gap:14px}.hero-caption{display:none}.hero-photo{height:400px;min-height:0}.hero-photo>img{object-position:center 47%}.photo-label{font-size:9px;left:16px;top:16px}.hero-photo-link{width:50px;height:50px;font-size:27px;right:16px;bottom:16px}.category-strip{margin-top:25px}.category-strip>.container{grid-template-columns:1fr}.category-strip a{border-right:0;border-bottom:1px solid var(--line);padding:18px 0;font-size:12px;justify-content:flex-start}.category-strip a:last-child{border-bottom:0}.category-strip a>span{margin-right:18px}.section{padding-top:58px;padding-bottom:58px}.section-intro{display:block;margin-bottom:28px}.section-intro h2,h2{font-size:32px;letter-spacing:-1.15px}.section-intro>p{max-width:100%;font-size:14px;margin-top:19px}.product-grid{grid-template-columns:1fr;gap:34px}.product-image{height:365px}.product-meta{padding-top:19px}.product-meta>span{font-size:10px}.product-meta h3{font-size:26px}.product-meta p{font-size:14px}.product-meta b{margin:0 10px}.section-bottom{align-items:flex-start;flex-direction:column;margin-top:26px;gap:21px}.section-bottom p{font-size:12px}.story-section{padding:40px 0 45px}.story-grid{grid-template-columns:1fr;gap:33px}.story-image{height:300px}.story-copy h2{font-size:34px}.story-copy p{font-size:15px}.story-tags{margin-top:27px;gap:8px}.story-tags span{font-size:11px}.service-row{grid-template-columns:1fr;gap:30px}.service-row>a{border-left:0;border-top:1px solid var(--line);padding:24px 35px 0 0}.service-row>a>span:last-child{top:24px}.service-row h3{margin:15px 0 9px}.service-row>div h2{font-size:32px}.cta{padding:40px 0}.cta>.container{flex-direction:column;align-items:flex-start;gap:29px}.cta h2{font-size:42px}.footer-main{grid-template-columns:1fr 1fr;padding:45px 0 35px;gap:35px 20px}.footer-main>div:first-child{grid-column:1/-1}.footer-main>div:first-child p{margin-top:16px}.footer-note{grid-column:1/-1;max-width:340px}.footer-main h3{margin-bottom:17px}.footer-note p{font-size:13px;margin-top:12px}.footer-bottom{flex-wrap:wrap;gap:18px;padding:22px 0;font-size:10px}.footer-bottom>span{width:100%}.eyebrow{font-size:10px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
/* Inner pages */
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2}.specs-tables h3{font-size:19px;margin:0 0 18px}.specs-tables table{width:100%;border-collapse:collapse;font-size:14px}.specs-tables th,.specs-tables td{border-top:1px solid #c5cdd8;padding:14px 0;line-height:1.5;vertical-align:top}.specs-tables th{font-weight:400;text-align:left;padding-right:24px;width:60%;color:#3b506a}.specs-tables td{font-weight:500}.specs-tables tr:last-child>*{border-bottom:1px solid #c5cdd8}.pending-specs{display:flex;align-items:flex-start;gap:25px;border-top:1px solid #bec7d3;padding-top:25px}.pending-specs>span{font-size:38px}.pending-specs>div{max-width:610px}.pending-specs h3{font-size:21px;margin-bottom:15px}.pending-specs p{font-size:15px;color:var(--muted)}.pending-specs>a{margin-left:auto;white-space:nowrap}.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:25px}.video-frame{background:#10263f;height:470px}.video-frame video{display:block;width:100%;height:100%;object-fit:contain}.video-card>div:last-child{display:flex;justify-content:space-between;gap:10px;align-items:center;padding:18px 0}.video-card h3{font-size:17px}.video-card>div:last-child>span{font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.four-videos{grid-template-columns:repeat(4,1fr);gap:20px}.four-videos .video-frame{height:340px}.four-videos h3{font-size:14px}.faq-section{display:grid;grid-template-columns:1fr 1.45fr;gap:75px}.faq-list details{border-top:1px solid var(--line)}.faq-list details:last-child{border-bottom:1px solid var(--line)}.faq-list summary{display:flex;justify-content:space-between;gap:25px;align-items:center;cursor:pointer;padding:24px 0;list-style:none;font-size:16px;font-weight:500}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary span{font-size:24px;color:#607fa6}.faq-list details[open] summary span{transform:rotate(45deg)}.faq-list p{font-size:15px;color:var(--muted);padding:0 40px 24px 0}.about-hero{height:480px;position:relative}.about-hero img{width:100%;height:100%;object-fit:cover;object-position:center 54%}.about-hero>span{position:absolute;left:24px;bottom:24px;background:var(--paper);font-size:11px;letter-spacing:1.5px;padding:13px 16px}.editorial{display:grid;grid-template-columns:1fr 2fr;gap:65px}.editorial>.eyebrow{padding-top:18px}.editorial h2{font-size:45px;margin:0 0 25px}.editorial p{font-size:17px;color:var(--muted);max-width:660px}.editorial .notice{margin-top:27px}.editorial .notice p{font-size:13px}.gallery-section{background:#e1e5eb;padding:65px 0}.photo-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:22px}.photo-grid figure{margin:0}.photo-grid img{width:100%;height:350px;object-fit:cover}.photo-grid figcaption{font-size:12px;margin-top:16px;color:var(--muted)}.form-layout{display:grid;grid-template-columns:.85fr 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b{background:var(--accent);border-color:#6582a8}.progress-steps h4{font-size:14px;margin:16px 0 8px}.progress-steps p{font-size:12px;color:var(--muted);max-width:160px;padding-right:18px}.policy{max-width:800px;padding-bottom:90px}.policy h2{font-size:26px;margin:35px 0 18px}.policy p{font-size:16px;color:var(--muted)}.policy>a{margin-top:30px}dialog{border:0;background:var(--paper);color:var(--ink);padding:38px;width:min(640px,calc(100% - 32px));max-height:90dvh;overflow:auto}dialog::backdrop{background:#10263fb3;backdrop-filter:blur(4px)}.dialog-close{position:absolute;right:15px;top:13px;background:none;font-size:27px;padding:5px 12px}dialog h2{font-size:33px}.dialog-notice{font-size:14px;color:var(--muted);margin-top:18px}dialog dl{margin:24px 0;max-height:38vh;overflow:auto;border-block:1px solid var(--line)}dialog dl>div{display:grid;grid-template-columns:130px 1fr;padding:12px 0;gap:16px;font-size:14px;border-bottom:1px solid var(--line)}dialog dl>div:last-child{border:0}dialog 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@media(max-width:1200px){.detail-hero{gap:40px}.detail-main-image{height:450px}.detail-copy h1{font-size:43px}.detail-metrics strong{font-size:21px}.form-layout,.support-layout{gap:45px}.form-panel{padding:27px}.page-heading h1{font-size:61px}.four-videos .video-frame{height:290px}.four-videos h3{font-size:13px}.tracking-layout{gap:50px}.specs-tables{gap:30px}}
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@media(max-width:680px){.page-heading{padding-top:40px;padding-bottom:32px}.page-heading h1{font-size:46px;letter-spacing:-2.3px;margin:20px 0}.page-heading>p{font-size:15px}.catalog{padding-bottom:55px}.catalog-toolbar{flex-direction:column;gap:16px;padding:18px 0}.filter-group{gap:6px;display:grid;grid-template-columns:repeat(3,1fr)}.filter-button{font-size:12px;padding:13px 8px;white-space:nowrap}.search-box{width:100%}.catalog-count{margin:20px 0}.catalog-notice{margin-top:32px}.notice{padding:14px 16px}.notice b{font-size:12px}.notice p{font-size:12px}.breadcrumb{font-size:11px;padding-top:22px;padding-bottom:20px;gap:12px}.detail-hero{grid-template-columns:1fr;gap:28px;padding-bottom:32px}.detail-main-image{height:360px}.detail-main-image.cutout>img{padding:25px}.detail-copy{padding:0}.detail-copy h1{font-size:40px;margin:17px 0 22px}.detail-description{font-size:15px}.detail-metrics{margin:22px 0;padding:23px 0;gap:15px}.detail-metrics strong{font-size:21px}.detail-metrics span{font-size:11px}.detail-sections{gap:0;justify-content:space-between;padding:18px 0}.detail-sections button{font-size:12px}.feature-grid{grid-template-columns:1fr;gap:25px}.feature-grid article{padding-top:20px}.feature-grid h3{font-size:23px;margin:17px 0 12px}.feature-grid p{font-size:15px}.spec-section{padding:45px 0}.specs-tables{grid-template-columns:1fr;gap:35px}.specs-tables>section:first-child{grid-row:auto}.specs-tables th,.specs-tables td{font-size:13px}.specs-tables th{width:58%;padding-right:18px}.specs-tables h3{font-size:18px}.pending-specs{gap:18px}.pending-specs>span{display:none}.pending-specs>a{margin:0}.pending-specs h3{font-size:21px}.pending-specs p{font-size:14px}.video-grid,.four-videos{grid-template-columns:1fr;gap:25px}.video-frame,.four-videos .video-frame{height:440px}.video-card h3,.four-videos h3{font-size:16px}.faq-section{grid-template-columns:1fr;gap:27px}.faq-list summary{font-size:15px;padding:20px 0}.faq-list p{font-size:14px;padding-right:10px}.about-hero{height:310px}.about-hero img{object-position:53% center}.about-hero>span{font-size:9px;left:15px;bottom:15px;padding:10px 12px}.editorial{grid-template-columns:1fr;gap:22px}.editorial>.eyebrow{padding-top:0}.editorial h2{font-size:33px}.editorial p{font-size:15px}.gallery-section{padding:42px 0}.photo-grid{grid-template-columns:1fr;gap:29px}.photo-grid>figure:first-child{grid-column:auto}.photo-grid img,.photo-grid>figure:first-child img{height:370px}.photo-grid figcaption{font-size:12px;margin-top:13px}.form-layout,.support-layout{grid-template-columns:1fr;gap:32px;padding-bottom:45px}.contact-aside>h2,.support-layout>aside>h2{font-size:33px}.contact-aside>p{max-width:none}.contact-aside>img{display:none}.contact-detail{max-width:none;padding:20px 0}.form-panel{padding:22px 18px}.form-panel h2{font-size:26px}.form-grid{gap:21px}.form-preview{padding:14px 12px;gap:9px}.form-preview p{font-size:12px}.form-preview b{font-size:12px}.form-submit{margin-top:23px}.form-submit .button{width:100%;padding:16px 20px;font-size:15px}.support-tabs{margin-bottom:28px;gap:0}.support-tabs button{width:50%;font-size:15px;padding:18px 12px}.service-steps{margin:28px 0 0}.service-steps li{padding-bottom:22px}.support-layout>aside>.notice{margin-top:5px}.tracking-layout{grid-template-columns:1fr;gap:28px;padding-top:0}.tracking-layout h2{font-size:35px}.tracking-layout>div>p{font-size:15px}.tracking-card{padding:24px}.tracking-card h3{font-size:23px}.status-result{padding:24px 20px}.status-heading .eyebrow{font-size:9px}.status-heading h3{font-size:24px}.status-pill{font-size:12px;padding:8px 10px}.status-summary{grid-template-columns:1fr;gap:19px;margin:25px 0}.progress-steps{grid-template-columns:1fr;margin:26px 0 10px}.progress-steps li{padding:0 0 26px 52px;min-height:80px}.progress-steps b{position:absolute;left:0;top:0}.progress-steps li:before{left:16px;top:34px;bottom:0;width:2px;height:auto}.progress-steps h4{margin:4px 0 8px;padding-top:4px}.progress-steps p{max-width:none;font-size:13px}.policy{padding-bottom:55px}.policy h2{font-size:24px}.policy p{font-size:15px}dialog{padding:31px 23px;max-height:90dvh}dialog h2{font-size:29px}.dialog-notice{font-size:13px}dialog dl>div{grid-template-columns:90px 1fr;gap:15px;font-size:13px}.dialog-actions{gap:10px}.dialog-actions .button{flex:1;font-size:13px;padding:13px 11px;white-space:nowrap}.empty-state h1{font-size:30px}#overview,#specifications,#videos,#questions,#field{scroll-margin-top:94px}}
/* Readable localizations without external font dependencies. */
html[lang=zh-CN] .hero h1{line-height:1.16;letter-spacing:-2px;font-size:clamp(48px,5.5vw,84px)}html[lang=zh-CN] .hero-copy>p{line-height:1.9}html[lang=zh-CN] .page-heading h1{line-height:1.17;letter-spacing:-2px}html[lang=zh-CN] h2{line-height:1.25}html[lang=zh-CN] .eyebrow{letter-spacing:2px}
@media(max-width:680px){html[lang=zh-CN] .hero h1{font-size:58px;line-height:1.18}html[lang=zh-CN] .page-heading h1{font-size:43px}.hero h1{overflow-wrap:normal}.hero-buttons .button{white-space:nowrap}.hero-buttons>.inline-link{white-space:nowrap;gap:10px}}
/* Bound the opening composition across screen sizes. */
.hero-photo{height:640px;min-height:0}.hero-grid{min-height:0}
@media(min-width:1600px){.hero-photo{height:680px}}
@media(max-width:1200px){.hero-photo{height:590px}}
@media(max-width:960px){.hero-photo{height:585px}}
@media(max-width:680px){.hero-photo{height:400px}}
.plain-draft{margin:-4px 0 22px;font-size:13px}.plain-draft summary{cursor:pointer;text-decoration:underline;padding:8px 0}.plain-draft textarea{width:100%;margin-top:10px;font-size:13px;line-height:1.6;background:white;border:1px solid var(--line);padding:12px;resize:vertical}.plain-draft p{font-size:11px;color:var(--muted);margin-top:8px}
.hero-copy{min-width:0}
@media(max-width:680px){.hero-grid{grid-template-columns:minmax(0,1fr)}.hero-buttons{flex-wrap:wrap;gap:18px 22px}.hero h1{font-size:clamp(42px,10.9vw,70px)}html[lang=zh-CN] .hero h1{font-size:clamp(44px,14vw,58px)}}

/* Vector icons keep the same line style on mobile and desktop. */
.arrow-icon{display:inline-block;width:1em;height:1em;vertical-align:-.125em;flex-shrink:0}.link-arrow{display:inline-flex;align-items:center;justify-content:center;line-height:1;flex-shrink:0}