:root{--navy:#0b2342;--blue:#1554a5;--paper:#f3f5f7;--ink:#243244;--muted:#596879;--line:#dde3ea}
*{box-sizing:border-box}html{scroll-padding-top:100px}body{margin:0;background:#fff;color:var(--ink);font:16px/1.75 "Microsoft YaHei","PingFang SC","Noto Sans CJK SC",sans-serif}a{color:inherit;text-decoration:none}button{font:inherit;cursor:pointer}img{display:block;max-width:100%}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.35;font-weight:650}h1{font-size:clamp(32px,4vw,50px);margin-bottom:20px;overflow-wrap:anywhere}h2{font-size:30px;margin-bottom:20px}h3{font-size:21px}p{margin-bottom:20px}:focus-visible{outline:3px solid #4b92e8;outline-offset:5px}.container{width:min(1200px,calc(100% - 64px));margin-inline:auto;min-width:0}.section{padding-block:72px}.muted-section{background:var(--paper)}.sr-only{position:absolute;width:1px;height:1px;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}.skip-link{position:fixed;z-index:100;top:8px;left:16px;padding:12px 18px;background:#fff;border:2px solid var(--blue);transform:translateY(-160%)}.skip-link:focus{transform:translateY(0)}
.site-header{position:relative;z-index:30;border-bottom:1px solid var(--line);background:#fff}.header-inner{min-height:90px;display:flex;align-items:center;justify-content:space-between;gap:36px}.brand{display:inline-flex;flex-direction:column;flex-shrink:0;line-height:1.15}.brand-name{font-size:28px;color:var(--blue);font-weight:750;letter-spacing:.055em}.brand-en{margin-top:6px;font-size:11px;letter-spacing:.13em}.main-navigation{display:flex;align-items:center;gap:28px;min-width:0}.main-navigation a{display:block;padding-block:33px 30px;font-size:15px;font-weight:550;white-space:nowrap;border-bottom:3px solid transparent}.main-navigation a:hover,.main-navigation a[aria-current=page]{color:var(--blue);border-bottom-color:var(--blue)}.menu-toggle{display:none}
.button-row{display:flex;flex-wrap:wrap;align-items:center;gap:16px 24px}.button{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:48px;padding:11px 24px;border:1px solid var(--blue);border-radius:4px;background:var(--blue);color:#fff;font-weight:600;line-height:1.5}.button:hover{background:#103e7a;border-color:#103e7a}.button-light{background:#fff;color:var(--navy);border-color:#fff}.button-light:hover{background:#e9eff6;border-color:#e9eff6}.button-outline-light{background:transparent;border-color:#7e92ab;color:#fff}.button-outline-light:hover{background:#193757;border-color:#b9c6d5}.text-link{display:inline-flex;align-items:center;gap:16px;color:var(--blue);font-weight:600;line-height:1.6}.text-link:hover{text-decoration:underline;text-underline-offset:5px}.eyebrow{font-size:13px;line-height:1.5;color:var(--blue);letter-spacing:.08em;margin-bottom:14px}
.home-hero{background:var(--navy);color:#fff;padding-block:64px}.hero-grid{display:grid;grid-template-columns:1.05fr 1fr;align-items:center;gap:64px}.hero-copy{padding-block:24px}.hero-copy .eyebrow{color:#bbcee5;font-size:14px;letter-spacing:.14em}.hero-copy h1{font-size:clamp(42px,5vw,64px);letter-spacing:.06em;margin-bottom:26px}.hero-intro{color:#d5dfeb;font-size:18px;line-height:1.9;max-width:560px;margin-bottom:34px}.hero-product{display:block;background:#fff;border-radius:6px;color:var(--ink);overflow:hidden}.hero-product img{width:100%;height:auto;aspect-ratio:1.14;object-fit:contain}.hero-product-caption{display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:16px;padding:18px 24px;background:var(--paper);border-top:1px solid var(--line);font-size:13px;line-height:1.6}.hero-product-caption strong{color:var(--blue);font-size:21px}
.section-heading{display:flex;gap:24px;align-items:end;justify-content:space-between;margin-bottom:32px}.section-heading h2{margin-bottom:0}.section-heading>.text-link{flex-shrink:0;padding-bottom:4px}.product-grid{display:grid;gap:24px}.home-products{grid-template-columns:repeat(4,minmax(0,1fr))}.catalog-products{grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 24px}.product-card{display:flex;flex-direction:column;min-width:0;border:1px solid var(--line);border-radius:6px;overflow:hidden;background:#fff}.product-card-image{display:block;width:100%;aspect-ratio:1;background:var(--paper)}.product-card-image img{width:100%;height:100%;object-fit:contain}.product-card-body{display:flex;flex:1;flex-direction:column;padding:22px 22px 24px;min-width:0}.product-card h3{margin-bottom:10px;color:var(--navy);overflow-wrap:anywhere}.product-card h3 a:hover{color:var(--blue)}.product-name{font-size:16px;line-height:1.7;margin-bottom:12px}.product-summary{font-size:14px;color:var(--muted);line-height:1.7;margin-bottom:22px}.product-card-body>.text-link{margin-top:auto;font-size:14px}.image-empty{display:flex;justify-content:center;align-items:center;min-height:200px;height:100%;color:var(--muted)}
.home-contact{background:var(--paper);border-top:1px solid var(--line)}.home-contact-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:96px;align-items:start}.section-intro{font-size:17px;line-height:1.9;color:var(--muted);max-width:720px;margin-bottom:30px}.contact-summary{border-left:1px solid #cbd5e1;padding-left:40px;font-size:14px;overflow-wrap:anywhere}.contact-summary p:last-child{margin-bottom:0}.contact-summary p>span{display:block;color:var(--muted);margin-bottom:4px}.large-phone{display:inline-block;font-size:clamp(25px,2.7vw,34px);font-weight:600;line-height:1.45;color:var(--blue);letter-spacing:.02em}.contact-summary a:hover,.contact-details a:hover,.contact-location a:hover{text-decoration:underline;text-underline-offset:4px}
.page-heading{padding-block:28px 44px;background:var(--paper);border-bottom:1px solid var(--line)}.page-heading h1{margin:26px 0 0;font-size:38px}.breadcrumbs{display:flex;gap:12px;flex-wrap:wrap;align-items:baseline;font-size:13px;line-height:1.6;color:var(--muted);overflow-wrap:anywhere}.breadcrumbs a:hover{color:var(--blue);text-decoration:underline}.result-count{color:var(--muted);font-size:14px}.product-breadcrumb{padding-block:28px 8px}.product-detail{padding-top:28px}.detail-grid{display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:64px;padding-bottom:64px}.detail-copy{grid-column:2;grid-row:1;min-width:0}.detail-copy h1{font-size:clamp(34px,3.8vw,48px);line-height:1.25;margin-bottom:16px}.detail-name{font-size:21px;line-height:1.7;margin-bottom:18px}.detail-summary{color:var(--muted)}.technical-model{display:flex;flex-wrap:wrap;gap:20px;align-items:baseline;margin-block:24px 30px;padding-block:18px;border-block:1px solid var(--line)}.technical-model span{color:var(--muted);font-size:14px}.technical-model strong{font-weight:550;overflow-wrap:anywhere}.detail-image{grid-column:1;grid-row:1;overflow:hidden;border:1px solid var(--line);background:var(--paper);border-radius:6px;aspect-ratio:1}.detail-image img{width:100%;height:100%;object-fit:contain}.detail-section{padding-block:48px;border-top:1px solid var(--line)}.detail-section h2{font-size:27px}.detail-reading{max-width:1000px}.detail-reading>p:last-child{margin-bottom:0}.sample-spec{margin:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:6px;overflow:hidden}.sample-spec>div{background:#fff;padding:20px 24px;min-width:0}.sample-spec dt{color:var(--muted);font-size:14px;margin-bottom:8px}.sample-spec dd{margin:0;font-weight:600;overflow-wrap:anywhere}.scope-note{font-size:14px;color:var(--muted);margin-top:18px}
.section-reading{min-height:220px}.path-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-bottom:48px}.path-card{display:block;padding:32px;border:1px solid var(--line);border-radius:6px;background:var(--paper)}.path-card:hover{border-color:var(--blue)}.path-number{display:block;color:var(--muted);font-size:14px;letter-spacing:.1em;margin-bottom:24px}.path-card h2{font-size:28px}.section-contact-line{padding-top:12px}.section-contact-line h2{font-size:24px}.section-contact-line p{color:var(--muted);max-width:720px}
.contact-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:72px;align-items:start}.contact-details{margin:28px 0}.contact-details>div{margin-bottom:20px}.contact-details dt{font-size:14px;color:var(--muted);margin-bottom:6px}.contact-details dd{margin:0;overflow-wrap:anywhere}.location-panel{padding:48px 36px;background:var(--paper);border:1px solid var(--line);border-radius:6px}.location-symbol{color:var(--blue);display:block;font-size:46px;line-height:1;margin-bottom:30px}.location-panel h2{font-size:25px}.location-panel p{font-size:16px}.location-panel .visit-note{border-top:1px solid var(--line);padding-top:24px;margin-top:28px;margin-bottom:0;color:var(--muted);font-size:14px}.consult-context{padding:18px 22px;border-left:3px solid var(--blue);background:var(--paper);margin-block:24px}.consult-context>span{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.consult-context strong{font-size:20px;overflow-wrap:anywhere}.consult-context p{margin-block:5px 10px}.consult-context a{font-size:14px}.other-locations{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:30px}.contact-location{padding:30px;background:#fff;border:1px solid var(--line);border-radius:6px;min-width:0}.contact-location h3{margin-bottom:14px}.contact-location p{color:var(--muted)}.contact-location dl{margin:0}.contact-location dl>div{display:flex;flex-wrap:wrap;gap:6px 20px;margin-top:8px}.contact-location dt{color:var(--muted);font-size:14px;min-width:62px}.contact-location dd{margin:0}.prepare-note{display:grid;grid-template-columns:.8fr 1.2fr;align-items:start;gap:72px}.prepare-note h2{font-size:25px}.prepare-note p{margin-bottom:0;color:var(--muted)}.error-page{min-height:55vh;display:flex;align-items:center}.error-page h1{font-size:36px;margin-bottom:30px}
.site-footer{background:#0c2544;color:#b7c9dc;padding-block:48px 44px;border-top:2px solid #315a84}.footer-grid{display:grid;grid-template-columns:1.05fr .6fr .6fr 1.45fr;gap:48px;align-items:start}.footer-brand{min-width:0}.footer-brand:after{content:"";display:block;width:36px;height:2px;margin-top:24px;background:#4d779f}.site-footer .brand-name{font-size:29px;color:#fff;letter-spacing:.055em}.site-footer .brand-en{margin-top:10px;font-size:10px;letter-spacing:.18em;color:#9eb5ce}.footer-group{min-width:0}.footer-group summary,.footer-contact h2{list-style:none;font-size:14px;line-height:1.5;font-weight:600;letter-spacing:.065em;color:#eef4fa;margin:0 0 20px}.footer-group summary::-webkit-details-marker{display:none}.footer-group summary{cursor:default}.footer-group nav{display:flex;flex-direction:column;align-items:flex-start;gap:0;font-size:13px;letter-spacing:.02em}.footer-group nav a{display:flex;align-items:center;min-height:33px;line-height:1.6}.site-footer a:hover{color:#fff;text-decoration:underline;text-underline-offset:5px}.site-footer .brand:hover{text-decoration:none}.site-footer a:focus-visible,.footer-group summary:focus-visible{outline-color:#96bcea}.footer-contact{min-width:0;border-left:1px solid #2b435e;padding-left:36px}.footer-contact>a{display:block;width:fit-content;max-width:100%;font-size:13px;margin-bottom:12px;line-height:1.65;overflow-wrap:anywhere}.footer-contact .footer-phone{font-size:28px;font-weight:550;letter-spacing:.02em;color:#fff;margin-bottom:10px;line-height:1.4;font-variant-numeric:tabular-nums}.footer-contact p{font-size:12px;line-height:1.9;margin:0;color:#9eb5ce}
@media(max-width:1100px){.main-navigation{gap:18px}.header-inner{gap:24px}.main-navigation a{font-size:14px}.hero-grid{gap:40px}.home-products{gap:16px}.product-card-body{padding-inline:18px}.footer-grid{gap:30px}.footer-contact{padding-left:26px}.home-contact-grid{gap:48px}}
@media(max-width:960px){
.container{width:calc(100% - 40px)}.header-inner{flex-wrap:wrap;min-height:78px;padding-block:15px;gap:0}.brand-name{font-size:25px}.brand-en{font-size:10px}.main-navigation{flex-basis:100%;flex-wrap:wrap;gap:0 24px;margin-top:16px;border-top:1px solid var(--line)}.main-navigation a{padding-block:12px}.js .menu-toggle{display:inline-flex;align-items:center;gap:10px;padding:8px 0 8px 12px;border:0;background:none;font-size:13px;color:var(--ink)}.menu-lines{width:19px;height:13px;border-block:2px solid currentColor;position:relative}.menu-lines:after{content:"";position:absolute;left:0;right:0;top:4px;border-top:2px solid currentColor}.js .main-navigation{display:none}.js .main-navigation.is-open{display:grid;grid-template-columns:1fr 1fr;width:100%;gap:0 24px}.main-navigation a[aria-current=page]{border-bottom-color:transparent;font-weight:700}.hero-grid{gap:32px}.hero-copy h1{font-size:44px}.hero-intro{font-size:16px}.home-hero{padding-block:44px}.hero-product-caption{grid-template-columns:auto 1fr;padding:16px;gap:10px}.hero-product-caption>span:last-child{display:none}.home-products,.catalog-products{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}.detail-grid{gap:32px}.detail-name{font-size:19px}.detail-copy .button-row{gap:16px}.contact-grid{gap:36px}.contact-grid h2{font-size:26px}.location-panel{padding:30px 24px}.footer-grid{grid-template-columns:1fr 1.4fr;gap:30px 44px}.footer-brand{grid-column:1;grid-row:1}.footer-contact{display:block;grid-column:2;grid-row:1}.footer-contact>a{display:flex;align-items:center;min-height:44px;margin-bottom:0}.footer-group summary{cursor:pointer;min-height:44px;display:flex;align-items:center;justify-content:space-between;margin-bottom:0}.footer-group nav a{min-height:44px}.footer-group summary:after{content:"+";float:right;margin-left:16px;font-size:19px;line-height:1.3}.footer-group[open] summary:after{content:"−"}.footer-group:not([open]) nav{display:none}}
@media(max-width:700px){
h2{font-size:27px}.section{padding-block:48px}.hero-grid{grid-template-columns:1fr;gap:32px}.hero-copy{padding-block:0}.hero-copy h1{font-size:42px;margin-bottom:20px}.hero-intro{font-size:16px;margin-bottom:26px;max-width:none}.hero-product{max-width:440px;width:100%;margin-inline:auto}.hero-product img{aspect-ratio:1.2}.hero-product-caption{grid-template-columns:auto 1fr auto;padding:14px 18px}.hero-product-caption>span:last-child{display:block}.section-heading{gap:16px;align-items:start;margin-bottom:26px}.section-heading>.text-link{font-size:14px;padding-top:4px}.section-heading .eyebrow{margin-bottom:10px}.home-contact-grid{grid-template-columns:1fr;gap:32px}.contact-summary{border-left:none;border-top:1px solid var(--line);padding:28px 0 0}.page-heading{padding-block:24px 32px}.page-heading h1{font-size:32px;margin-top:20px}.detail-grid{display:flex;flex-direction:column;gap:32px;padding-bottom:40px;align-items:stretch}.product-detail{padding-top:24px}.detail-copy h1{font-size:36px}.detail-image{width:100%}.technical-model{margin-block:20px 24px;padding-block:14px}.detail-section{padding-block:36px}.detail-section h2{font-size:25px}.sample-spec{grid-template-columns:1fr}.sample-spec>div{display:grid;grid-template-columns:110px 1fr;gap:18px;padding:17px 20px}.sample-spec dt{margin:0}.sample-spec dd{font-weight:550}.scope-note{font-size:14px}.path-grid{grid-template-columns:1fr;gap:18px;margin-bottom:32px}.path-card{padding:26px}.path-number{margin-bottom:16px}.path-card h2{font-size:25px}.contact-grid{grid-template-columns:1fr;gap:36px}.contact-details{margin-top:24px}.location-panel{padding:30px}.other-locations{grid-template-columns:1fr;gap:20px}.contact-location{padding:26px}.prepare-note{grid-template-columns:1fr;gap:0}.prepare-note h2{font-size:24px}.site-footer{padding-block:34px 24px}.footer-grid{grid-template-columns:1fr;gap:0}.footer-brand{grid-column:auto;grid-row:1;padding-bottom:26px}.footer-brand:after{width:30px;margin-top:20px}.site-footer .brand-name{font-size:25px}.footer-contact{grid-column:auto;grid-row:2;border-left:0;border-top:1px solid #304660;padding:24px 0}.footer-contact h2{font-size:13px;margin-bottom:10px}.footer-contact .footer-phone{font-size:25px;margin-bottom:0}.footer-contact p{max-width:420px;margin-top:8px}.footer-group{border-top:1px solid #304660}.footer-group summary{margin-bottom:0;padding-block:16px;font-size:14px}.footer-group nav{padding-block:0 14px}}
@media(max-width:650px){.home-products,.catalog-products{grid-template-columns:1fr;gap:24px}.product-card-image{aspect-ratio:1.12}.product-card h3{font-size:23px}.product-name{font-size:17px}.product-summary{font-size:15px;margin-bottom:20px}.product-card-body{padding:24px}.section-heading{flex-wrap:wrap}.section-heading h2{font-size:26px}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition:none!important}}

.hero-missing-image{display:grid;place-items:center;aspect-ratio:4/3;background:#fff;min-height:220px;color:#607080}

[hidden]{display:none!important}.filter-open,.preview-open{overflow:hidden}.product-card{scroll-margin-top:24px}.button-outline{background:#fff;color:var(--blue)}.button-outline:hover{color:#fff}input,select{font:inherit}#results,#home-products{scroll-margin-top:24px}

/* Shared approved logo; preserve the SVG's intrinsic proportions within the header. */
.site-header .brand-logo{display:block;width:220px;height:auto;max-width:100%;object-fit:contain}
@media(max-width:960px){.site-header .brand-logo{width:192px}}
@media(max-width:360px){.site-header .brand-logo{width:180px}}

.anchor-recovery{padding:16px 24px;margin-block:24px;border-left:3px solid var(--blue);background:var(--paper);color:var(--muted);font-size:14px}.anchor-recovery a{margin-left:12px;color:var(--blue)}[id]{scroll-margin-top:24px}