:root{--blue:#071f5b;--blue-2:#12347d;--cyan:#52b9df;--ink:#101828;--muted:#5d6678;--line:#dfe4ea;--soft:#f4f7fa;--white:#fff;--max:1280px;--shadow:0 16px 44px rgba(7,31,91,.12)}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;color:var(--ink);background:var(--white);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input,select{font:inherit}
.skip{position:absolute;left:-9999px;top:0}.skip:focus{left:1rem;top:1rem;z-index:99;background:#fff;padding:.75rem 1rem}
.container{width:min(var(--max),calc(100% - 40px));margin-inline:auto}
.utility{background:var(--blue);color:#fff;font-size:.78rem}.utility .container{min-height:34px;display:flex;align-items:center;justify-content:space-between;gap:16px}.utility a{opacity:.86}.utility a:hover{opacity:1}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}
.nav{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:24px}.brand img{display:block;width:128px;height:auto}.nav-links{display:flex;align-items:center;gap:28px;font-size:.95rem;font-weight:700}.nav-links a{padding:26px 0;border-bottom:3px solid transparent}.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--blue-2);border-color:var(--cyan)}
.nav-tools{display:flex;align-items:center;gap:10px}.lang{border:1px solid var(--line);border-radius:99px;padding:7px 12px;font-size:.82rem;font-weight:700}.menu-toggle{display:none;border:0;background:var(--blue);color:#fff;border-radius:4px;padding:8px 11px}
.hero{position:relative;min-height:520px;display:grid;align-items:end;overflow:hidden;background:var(--blue)}.hero>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.52}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,20,62,.94) 0%,rgba(3,20,62,.55) 50%,rgba(3,20,62,.08) 100%)}.hero-content{position:relative;z-index:1;color:#fff;padding:100px 0 72px;max-width:760px}.eyebrow{text-transform:uppercase;letter-spacing:.16em;font-size:.75rem;font-weight:800;color:var(--cyan);margin:0 0 14px}.hero h1{font-size:clamp(2.25rem,5vw,4.7rem);line-height:1.05;letter-spacing:-.045em;margin:0 0 22px}.hero p{font-size:clamp(1rem,1.7vw,1.25rem);max-width:650px;margin:0 0 30px;color:rgba(255,255,255,.9)}
.button{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:11px 20px;border:2px solid var(--blue);background:var(--blue);color:#fff;font-weight:800;letter-spacing:.01em;transition:.2s}.button:hover{background:var(--blue-2);border-color:var(--blue-2);transform:translateY(-1px)}.button.light{background:#fff;color:var(--blue);border-color:#fff}.button.outline{background:transparent;color:var(--blue)}.button.outline:hover{color:#fff}.actions{display:flex;flex-wrap:wrap;gap:12px}
.section{padding:82px 0}.section.soft{background:var(--soft)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:34px}.section-head h2,.page-intro h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.1;letter-spacing:-.035em;margin:0}.section-head p{max-width:620px;color:var(--muted);margin:0}
.stats{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);margin-top:-44px;position:relative;z-index:2}.stat{padding:25px 28px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat strong{display:block;color:var(--blue);font-size:1.7rem;line-height:1.2}.stat span{color:var(--muted);font-size:.86rem}
.category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.category-card{position:relative;min-height:310px;overflow:hidden;background:var(--blue);color:#fff}.category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.48;transition:.5s}.category-card:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(4,20,61,.96),rgba(4,20,61,.05) 70%)}.category-card .body{position:absolute;z-index:1;inset:auto 25px 24px}.category-card h3{font-size:1.42rem;line-height:1.2;margin:0 0 6px}.category-card p{margin:0;color:rgba(255,255,255,.78);font-size:.88rem}.category-card:hover img{transform:scale(1.045);opacity:.62}
.page-hero{background:var(--blue);color:#fff;padding:76px 0}.breadcrumbs{font-size:.78rem;color:rgba(255,255,255,.64);margin-bottom:18px}.breadcrumbs a:hover{color:#fff}.page-intro{max-width:820px}.page-intro p{font-size:1.05rem;color:rgba(255,255,255,.82);margin:18px 0 0}.catalog-toolbar{display:grid;grid-template-columns:minmax(240px,1fr) 260px auto;gap:12px;margin-bottom:28px}.catalog-toolbar input,.catalog-toolbar select{width:100%;min-height:48px;border:1px solid #cbd2dc;padding:10px 13px;background:#fff}.result-count{align-self:center;color:var(--muted);font-size:.88rem;white-space:nowrap}
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.product-card{border:1px solid var(--line);background:#fff;display:flex;flex-direction:column;min-width:0;transition:.2s}.product-card:hover{border-color:#aebbd1;box-shadow:0 10px 30px rgba(7,31,91,.1);transform:translateY(-2px)}.product-card .image{aspect-ratio:1/1;background:#f5f6f8;display:grid;place-items:center;padding:18px;overflow:hidden}.product-card .image img{width:100%;height:100%;object-fit:contain}.product-card .body{padding:18px;display:flex;flex-direction:column;flex:1}.product-card .type{font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-2);font-weight:800}.product-card h2,.product-card h3{font-size:1rem;line-height:1.35;margin:7px 0 8px}.product-card p{font-size:.83rem;color:var(--muted);margin:0 0 16px}.product-card .more{margin-top:auto;color:var(--blue);font-size:.82rem;font-weight:800}.product-card[hidden]{display:none}
.product-layout{display:grid;grid-template-columns:minmax(320px,1fr) minmax(380px,1.1fr);gap:70px;align-items:start}.product-media{background:#f4f5f7;aspect-ratio:1/1;display:grid;place-items:center;padding:45px;position:sticky;top:112px}.product-media img{max-width:100%;max-height:100%;object-fit:contain}.product-info h1{font-size:clamp(2rem,4vw,3.5rem);line-height:1.08;letter-spacing:-.035em;margin:8px 0 18px}.product-info .lede{font-size:1.06rem;color:var(--muted)}.model{display:inline-block;background:#e8f5fb;color:var(--blue);font-weight:800;padding:6px 10px;margin-bottom:8px}.specs{margin:30px 0;border-top:1px solid var(--line)}.spec{display:grid;grid-template-columns:180px 1fr;gap:18px;padding:13px 0;border-bottom:1px solid var(--line);font-size:.9rem}.spec dt{font-weight:800}.spec dd{margin:0;color:var(--muted)}.notice{background:#f4f7fa;border-left:4px solid var(--cyan);padding:16px 18px;color:var(--muted);font-size:.84rem;margin:26px 0}
.feature-split{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}.feature-split h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1.12;margin:0 0 18px}.feature-split p{color:var(--muted)}.feature-split img{width:100%;aspect-ratio:4/3;object-fit:cover}.check-list{list-style:none;padding:0;margin:22px 0}.check-list li{padding:8px 0 8px 28px;position:relative}.check-list li:before{content:"✓";position:absolute;left:0;color:var(--blue);font-weight:900}
.contact-band{background:var(--blue);color:#fff;padding:55px 0}.contact-band .container{display:flex;align-items:center;justify-content:space-between;gap:30px}.contact-band h2{font-size:clamp(1.8rem,3vw,2.6rem);margin:0 0 8px}.contact-band p{margin:0;color:rgba(255,255,255,.76)}
.site-footer{background:#061843;color:#fff;padding:54px 0 22px}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:70px}.site-footer h2,.site-footer h3{font-size:.92rem;margin:0 0 14px}.site-footer p,.site-footer a{color:rgba(255,255,255,.7);font-size:.84rem}.site-footer a{display:block;margin:7px 0}.site-footer a:hover{color:#fff}.copyright{border-top:1px solid rgba(255,255,255,.12);margin-top:36px;padding-top:20px;font-size:.75rem;color:rgba(255,255,255,.52)}
.no-results{padding:50px;text-align:center;border:1px dashed var(--line);color:var(--muted)}
@media(max-width:1020px){.nav-links{gap:16px}.category-grid{grid-template-columns:repeat(2,1fr)}.product-grid{grid-template-columns:repeat(3,1fr)}.product-layout{gap:36px}.stats{grid-template-columns:repeat(2,1fr)}.stat:nth-child(2){border-right:0}.stat:nth-child(-n+2){border-bottom:1px solid var(--line)}}
@media(max-width:760px){.container{width:min(100% - 28px,var(--max))}.utility .container{justify-content:center}.utility .container>span:first-child{display:none}.menu-toggle{display:block}.nav{min-height:66px}.brand img{width:105px}.nav-links{display:none;position:absolute;top:66px;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);padding:14px 20px;flex-direction:column;align-items:stretch;gap:0}.nav-links.open{display:flex}.nav-links a{padding:12px 0;border:0}.lang{padding:6px 9px}.hero{min-height:480px}.hero-content{padding:80px 0 50px}.section{padding:58px 0}.section-head{display:block}.section-head p{margin-top:12px}.category-grid,.product-grid{grid-template-columns:repeat(2,1fr)}.catalog-toolbar{grid-template-columns:1fr}.product-layout,.feature-split{grid-template-columns:1fr}.product-media{position:static;padding:24px}.contact-band .container{display:block}.contact-band .actions{margin-top:22px}.footer-grid{grid-template-columns:1fr;gap:30px}.spec{grid-template-columns:120px 1fr}}
@media(max-width:480px){.category-grid,.product-grid,.stats{grid-template-columns:1fr}.stat{border-right:0;border-bottom:1px solid var(--line)}.category-card{min-height:270px}.nav-tools .button{display:none}.product-card .body{padding:14px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important}}

/* Product navigation dropdown */
.nav-dropdown{position:relative;display:flex;align-items:stretch}
.nav-product-button{display:flex;align-items:center;gap:7px;border:0;border-bottom:3px solid transparent;background:transparent;color:inherit;padding:26px 0;font-weight:700;cursor:pointer}
.nav-product-button:hover,.nav-product-button[aria-current="page"],.nav-dropdown.open .nav-product-button{color:var(--blue-2);border-color:var(--cyan)}
.nav-product-button span{font-size:.8rem;transition:transform .2s}.nav-dropdown.open .nav-product-button span{transform:rotate(180deg)}
.nav-submenu{position:absolute;top:100%;left:-22px;width:245px;padding:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);opacity:0;visibility:hidden;transform:translateY(8px);transition:.18s;z-index:70}
.nav-submenu a{display:block!important;padding:11px 13px!important;border:0!important;font-weight:600;color:var(--ink)}
.nav-submenu a:hover,.nav-submenu a:focus{background:var(--soft);color:var(--blue)}
.nav-dropdown:hover .nav-submenu,.nav-dropdown:focus-within .nav-submenu,.nav-dropdown.open .nav-submenu{opacity:1;visibility:visible;transform:none}

/* Curated product entry and vertical solution grids */
.product-entry-grid{grid-template-columns:repeat(3,1fr)}
.catalog-toolbar.compact{grid-template-columns:minmax(240px,1fr) auto}
.industry-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.industry-card{background:#fff;border:1px solid var(--line);overflow:hidden}.industry-card img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}.industry-card .body{padding:18px}.industry-card h3{margin:0 0 7px;font-size:1.1rem}.industry-card p{margin:0;color:var(--muted);font-size:.84rem}

/* Visible ownership marker and casual-copy deterrence */
.product-card .image,.product-media{position:relative;user-select:none;-webkit-user-select:none}
.product-card .image:after,.product-media:after{content:none}
.product-card img,.product-media img,.category-card img,.industry-card img{-webkit-user-drag:none;user-select:none}

@media(max-width:1020px){.industry-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:760px){.nav-dropdown{display:block}.nav-product-button{width:100%;justify-content:space-between;padding:12px 0;border:0}.nav-submenu{position:static;width:100%;display:none;opacity:1;visibility:visible;transform:none;box-shadow:none;border:0;border-left:2px solid var(--cyan);padding:2px 0 2px 12px}.nav-dropdown.open .nav-submenu{display:block}.nav-dropdown:hover .nav-submenu:not(:focus-within){display:none}.nav-dropdown.open:hover .nav-submenu{display:block}.product-entry-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.industry-grid,.product-entry-grid{grid-template-columns:1fr}}

/* Preserved-architecture selection improvements */
.product-info .product-title{font-size:clamp(1.8rem,3.4vw,3rem);line-height:1.2;margin:14px 0 20px;color:var(--navy)}
.catalog-load-more{display:block;margin:28px auto 0;cursor:pointer}
[hidden]{display:none!important}
.detail-nav,.related-models{display:flex;flex-wrap:wrap;gap:12px 24px;padding:20px 0;border-bottom:1px solid var(--line)}
.detail-nav a,.related-models a{color:var(--navy);text-decoration:underline;text-underline-offset:5px}
.related-models a[aria-current]{font-weight:700}
.selection-details{background:#f5f7f9}
.detail-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px 48px;padding-top:28px}
.detail-block{scroll-margin-top:120px;padding:12px 0 22px;border-bottom:1px solid var(--line)}
.detail-block h2{font-size:1.4rem;margin:0 0 14px}
.detail-block p{line-height:1.9;margin:0}
.document-link{display:inline-block;padding:14px 0;color:var(--navy);text-decoration:underline}
.detail-block .document-note{font-size:.85rem;color:var(--muted)}
.detail-block ul{margin:0;padding-left:1.25rem;line-height:1.85}.detail-block li+li{margin-top:.65rem}
.detail-block p+p{margin-top:.8rem}
.product-info{min-width:0}.product-info .spec dd{overflow-wrap:anywhere}
.model-compare{margin-top:1.5rem}.model-table-scroll{max-width:100%;overflow-x:auto;margin-top:1rem;border:1px solid var(--line);background:#fff}
.model-table-scroll:focus-visible{outline:2px solid var(--cyan);outline-offset:3px}
.model-compare table{width:100%;min-width:640px;border-collapse:collapse;font-size:.95rem;text-align:left}
.model-compare th,.model-compare td{padding:14px 16px;border-bottom:1px solid var(--line);vertical-align:top;overflow-wrap:anywhere;max-width:250px}
.model-compare thead{background:var(--soft)}.model-compare th{font-weight:600}.model-compare a{text-decoration:underline;text-underline-offset:3px}
.filing{white-space:nowrap}
@media(max-width:760px){.detail-columns{grid-template-columns:1fr;gap:10px}.product-info .product-title{font-size:1.8rem}.detail-nav{gap:12px 18px}}

/* Filing records: identical identifiers across both languages. */
.site-filings{display:flex;flex-wrap:wrap;align-items:center;gap:8px 12px;margin-bottom:12px;line-height:1.8}
.site-filings a{display:inline-flex;align-items:center;gap:7px;margin:0;font-size:14px;text-decoration:none;color:inherit}
.site-footer .site-filings a{display:inline-flex;align-items:center;gap:7px;margin:0;color:#d4def2;font-size:14px;text-decoration:none}
.site-footer .site-filings a:hover{text-decoration:underline;color:#fff}
.site-filings img{width:20px;height:auto;flex:none;object-fit:contain}
.site-filings a:focus-visible{outline:2px solid #51c6ef;outline-offset:4px}
@media(max-width:600px){.site-filings{align-items:flex-start;flex-direction:column;gap:6px}.site-filings .filing-divider{display:none}}