/* refined.css */
:root{--blue:#174d94;--deep:#113565;--ink:#202936;--muted:#647181;--line:#e0e6ed;--soft:#f4f7fa}*{box-sizing:border-box}body{margin:0;color:var(--ink);font-family:Arial,Helvetica,sans-serif;font-size:16px;line-height:1.65;background:#fff}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto}button,input,textarea,select{font:inherit}button,a,input,select,textarea{touch-action:manipulation}a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #4789d5;outline-offset:4px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.25;color:var(--deep)}h1{font-size:clamp(30px,3.4vw,46px);font-weight:600}h2{font-size:clamp(26px,2.6vw,36px);font-weight:600}h3{font-size:20px;font-weight:600}p{color:var(--muted)}.wrap{width:min(1220px,calc(100% - 48px));margin:auto}.header{background:white;border-bottom:1px solid var(--line);position:relative;z-index:20}.nav{display:flex;align-items:center;gap:28px;min-height:92px}.brand-logo{display:block;flex-shrink:0}.brand-logo img{width:196px;max-height:70px;object-fit:contain}.nav nav{display:flex;align-items:center;justify-content:flex-end;gap:25px;flex:1}.nav nav>a,.dropdown>a{font-size:15px;font-weight:600;display:block;padding:32px 0;white-space:nowrap}.nav a:hover{color:var(--blue)}.quote{background:var(--blue);color:#fff!important;padding:11px 16px;font-size:14px;font-weight:600}.menu{display:none;background:white;border:1px solid var(--line);padding:6px 12px;color:var(--blue);font-size:25px}.dropdown .mega{display:none;position:absolute;left:50%;transform:translateX(-50%);top:90px;width:min(1220px,96vw);padding:28px;grid-template-columns:2fr 1.2fr 1.2fr 1fr;gap:30px;background:white;border:1px solid var(--line);box-shadow:0 12px 28px #143c6d18}.dropdown:hover .mega,.dropdown:focus-within .mega{display:grid}.mega a{display:block;font-size:14px;line-height:1.5;margin:11px 0}.mega .mega-title{font-weight:700;font-size:16px;color:var(--blue);padding-bottom:12px;border-bottom:1px solid var(--line)}.banner-slider{position:relative;background:#eef3f8}.banner-slide{display:none}.banner-slide.active{display:block}.banner-slide img{width:100%;aspect-ratio:1920/850;object-fit:cover}.banner-controls{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);display:flex;gap:12px}.banner-controls button{width:28px;height:8px;border:0;border-radius:2px;background:#ffffff99;cursor:pointer;padding:0;box-shadow:0 0 0 1px #174d9433}.banner-controls button[aria-pressed=true]{background:var(--blue)}.range-bar{background:var(--blue);color:white}.range-bar .wrap{display:grid;grid-template-columns:repeat(4,1fr)}.range-bar a{text-align:center;padding:18px 10px;font-size:16px;font-weight:600;border-right:1px solid #ffffff38}.range-bar a:last-child{border:0}.range-bar a:hover{background:#ffffff12}.section,.page-section{padding:76px 0}.soft{background:var(--soft)}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:30px;gap:20px}.section-heading h2{margin:8px 0 0}.section-heading>div>span,.section-label,.kicker{font-size:14px;font-weight:700;letter-spacing:1.7px;color:var(--blue)}.section-heading>a{font-size:14px;white-space:nowrap;color:var(--blue);border-bottom:1px solid var(--blue);padding-bottom:3px}.home-product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.catalog-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.catalog-card{border:1px solid var(--line);background:white;overflow:hidden;transition:box-shadow .2s,transform .2s}.catalog-card:hover{box-shadow:0 12px 30px #16365c12;transform:translateY(-3px)}.catalog-visual{aspect-ratio:1;background:#fff;display:grid;place-items:center;overflow:hidden;border-bottom:1px solid var(--line)}.catalog-visual img{width:100%;height:100%;object-fit:contain}.catalog-card>div:last-child{padding:22px}.catalog-card small{font-size:12px;letter-spacing:1px;color:var(--muted)}.catalog-card h3{font-size:19px;margin:9px 0 14px}.catalog-card p{font-size:14px;line-height:1.6;margin:0 0 16px}.card-specs{display:none}.catalog-card a{font-size:14px;color:var(--blue);font-weight:600;display:inline-block;border-bottom:1px solid #abc0da;padding-bottom:2px}.solution-photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}.solution-photo-card{background:white;border:1px solid var(--line);overflow:hidden}.solution-photo-card img{width:100%;height:200px;object-fit:cover}.solution-photo-card>div{padding:22px}.solution-photo-card h3{font-size:20px}.solution-photo-card p{font-size:14px;min-height:45px}.solution-photo-card span{font-size:14px;font-weight:600;color:var(--blue)}.solution-photo-card:hover h3,.news-photo-card:hover h3{color:#2675c5}.company-panel{display:grid;grid-template-columns:1.05fr 1fr;gap:60px;align-items:center}.company-photo img{width:100%;height:370px;object-fit:cover}.company-photo span{display:block;color:var(--muted);font-size:13px;margin-top:8px}.company-panel h2{margin-top:12px}.company-panel h3{font-size:21px}.company-panel .btn{margin-top:14px}.btn{display:inline-flex;justify-content:center;align-items:center;padding:13px 24px;min-height:48px;border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer}.primary{background:var(--blue);color:#fff}.primary:hover{background:var(--deep)}.section-note{font-size:14px;margin:0 0 30px;max-width:850px}.cert-gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:18px}.cert-gallery a{border:1px solid var(--line);padding:15px;background:white;text-align:center}.cert-gallery img{width:100%;height:200px;object-fit:contain;object-position:center}.cert-gallery h3{font-size:14px;line-height:1.5;margin:14px 0 8px}.cert-gallery span{font-size:12px;color:var(--muted)}.cert-gallery a:hover{border-color:var(--blue)}.faq-home{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}.faq-home h2{margin-top:12px}.faq-home .btn{margin-top:10px}.faq-long details{border-bottom:1px solid var(--line)}.faq-long summary{padding:21px 30px 21px 0;color:var(--deep);cursor:pointer;font-weight:600;font-size:16px}.faq-long details p{padding:0 24px 15px 0;margin:0}.news-photo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}.news-photo-card{background:white;border:1px solid var(--line)}.news-photo-card>img{height:235px;width:100%;object-fit:cover}.news-photo-card>div{padding:26px}.news-photo-card span{font-size:12px;letter-spacing:1px;color:var(--blue)}.news-photo-card h3{margin:12px 0;font-size:22px}.news-photo-card p{font-size:14px}.news-photo-card b{font-size:14px;color:var(--blue)}.mini-cta{padding:42px 0;background:var(--blue);color:white}.mini-cta .wrap{display:flex;align-items:center;justify-content:space-between;gap:30px}.mini-cta h2{font-size:30px;color:white;margin:10px 0 0}.mini-cta .kicker{color:#cadcf3}.mini-cta .btn{color:var(--blue);background:white}.crumb{background:#f7f9fb;font-size:14px;border-bottom:1px solid var(--line);padding:14px 0;color:var(--muted)}.crumb i{font-style:normal;margin:0 14px;color:#9baaba}.crumb a{color:var(--blue)}.page-hero{padding:54px 0;background:var(--soft);border-bottom:1px solid var(--line)}.page-hero h1{margin:12px 0 16px;max-width:1000px}.page-hero p{max-width:830px;margin-bottom:0}.category-showcase{display:grid;grid-template-columns:repeat(2,1fr);gap:30px}.category-card{border:1px solid var(--line);display:grid;grid-template-columns:.85fr 1fr;align-items:center}.category-card:has(>.catalog-visual){min-height:280px}.category-card:not(:has(>.catalog-visual)){display:block;background:var(--soft)}.category-card>div:last-child{padding:28px}.category-card h2{font-size:26px;margin:10px 0 14px}.category-card span{color:var(--blue);font-size:12px;letter-spacing:1px}.category-card p{font-size:15px}.category-card a{color:var(--blue);font-weight:600;font-size:14px}.category-card .catalog-visual{border:0}.subcategory-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.subcategory{border:1px solid var(--line);padding:28px}.subcategory>span{color:#7f9fc8;font-size:28px}.subcategory h2{font-size:23px;margin:16px 0}.subcategory p{font-size:15px}.subcategory>a{color:var(--blue);font-weight:600}.empty-category{padding:32px;background:var(--soft);display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}.request-photo{padding:35px;aspect-ratio:1;color:var(--deep);text-align:center;background:#eff4fa;border:1px solid #d9e4f1;font-size:22px}.request-photo small{display:block;font-size:14px;color:var(--muted);margin-top:20px;line-height:1.6}.product-hero{padding:50px 0;background:#fff}.product-hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:65px;align-items:center}.product-hero h1{font-size:34px;line-height:1.3;margin:16px 0 22px}.product-hero .catalog-visual{border:1px solid var(--line)}.quick-specs{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:28px 0;color:var(--muted);font-size:13px}.quick-specs span{border-left:2px solid var(--line);padding-left:12px}.quick-specs b{display:block;font-size:14px;color:var(--deep);margin-bottom:6px}.product-copy{display:grid;grid-template-columns:1.1fr 1fr;gap:65px}.product-copy h2{font-size:27px}.product-copy aside{background:var(--soft);padding:30px}.product-copy table{width:100%;border-collapse:collapse;text-align:left;font-size:15px}.product-copy th,.product-copy td{padding:12px 8px;border-bottom:1px solid var(--line)}.spec-note{font-size:13px;margin-top:20px}.article-layout,.demo-panel{display:grid;grid-template-columns:1fr 1fr;gap:55px;align-items:start}.article-layout>img{width:100%;max-height:460px;object-fit:cover}.reading-article{max-width:850px}.reading-article>img{width:100%;height:370px;object-fit:cover;margin-bottom:45px}.reading-article h2{font-size:27px;margin:32px 0 18px}.demo-panel img{max-height:500px;object-fit:contain}.story-grid,.contact-page{display:grid;grid-template-columns:1fr 1fr;gap:70px}.contact-page h2{font-size:29px}.contact-page form{background:var(--soft);padding:32px;border:1px solid var(--line)}label{display:block;font-size:14px;font-weight:600;margin-bottom:20px;color:var(--deep)}input,select,textarea{width:100%;display:block;margin-top:8px;padding:12px;border:1px solid #cbd5e1;background:white;color:var(--ink);border-radius:0;font-size:16px}textarea{resize:vertical}.form-note{font-size:13px;margin:15px 0 0}footer{background:#edf3f9;padding:60px 0 0;border-top:1px solid #dce5f0}.footer-grid{display:grid;grid-template-columns:1.3fr .7fr 1fr 1fr;gap:45px}.footer-grid p{font-size:14px;max-width:290px;margin-top:18px}.footer-grid b{display:block;margin:10px 0 20px;color:var(--deep);font-size:17px}.footer-grid>div>a:not(.brand-logo){display:block;font-size:14px;color:#52667e;margin-bottom:12px;overflow-wrap:anywhere}.footer-grid a:hover{color:var(--blue)}.copyright{display:flex;justify-content:space-between;gap:25px;border-top:1px solid #d6e0ec;margin-top:40px;padding:21px 0;color:#6c7d91;font-size:13px}.floating-quote{position:fixed;right:0;bottom:130px;background:var(--blue);color:white;writing-mode:vertical-rl;padding:18px 10px;font-size:14px;z-index:15}.form-note,.spec-note{line-height:1.6}ul{padding-left:20px;color:var(--muted)}li{margin-bottom:8px}
@media(min-width:1440px){.banner-slide img{max-height:680px;object-fit:cover}}@media(max-width:1100px){.nav{gap:18px}.nav nav{gap:17px}.brand-logo img{width:160px}.nav .quote{display:none}.home-product-grid{grid-template-columns:repeat(3,1fr)}.cert-gallery{grid-template-columns:repeat(3,1fr)}.solution-photo-grid{grid-template-columns:repeat(2,1fr)}.company-panel{gap:35px}.faq-home{gap:40px}.footer-grid{gap:25px}.category-card{display:block}.category-card .catalog-visual{aspect-ratio:1.5}.category-card .catalog-visual img{object-fit:contain}}
@media(max-width:800px){.wrap{width:calc(100% - 36px)}.nav{min-height:76px;justify-content:space-between}.menu{display:block}.nav nav{display:none;position:absolute;left:0;right:0;top:76px;flex-direction:column;align-items:stretch;padding:14px 24px;background:white;border-bottom:1px solid var(--line);gap:0;box-shadow:0 12px 16px #16365c12}.nav nav.open{display:flex}.nav nav>a,.dropdown>a{padding:11px 0;font-size:16px}.dropdown .mega{display:none!important}.banner-controls{bottom:12px}.range-bar .wrap{width:100%;grid-template-columns:repeat(2,1fr)}.range-bar a{font-size:14px;padding:14px 10px;border-bottom:1px solid #ffffff38}.section,.page-section{padding:48px 0}.home-product-grid,.catalog-grid{grid-template-columns:repeat(2,1fr);gap:16px}.catalog-card>div:last-child{padding:16px}.catalog-card h3{font-size:17px}.company-panel,.faq-home,.product-hero-grid,.product-copy,.article-layout,.demo-panel,.story-grid,.contact-page{grid-template-columns:1fr;gap:30px}.company-photo img{height:auto}.faq-home>div>p{max-width:500px}.news-photo-grid{grid-template-columns:1fr;gap:20px}.news-photo-card{display:grid;grid-template-columns:.8fr 1fr}.news-photo-card>img{height:100%;min-height:220px}.news-photo-card>div{padding:22px}.subcategory-grid{grid-template-columns:repeat(2,1fr)}.footer-grid{grid-template-columns:repeat(2,1fr);gap:30px}.mini-cta .wrap{align-items:flex-start;flex-direction:column;gap:24px}.mini-cta h2{font-size:27px}.empty-category{grid-template-columns:1fr}.copyright{flex-direction:column;gap:7px}.product-hero{padding:32px 0}.product-hero-grid>.catalog-visual{max-width:500px;width:100%;margin:auto}.product-hero h1{font-size:30px}.page-hero{padding:36px 0}.contact-page form{padding:24px}.floating-quote{bottom:90px}.cert-gallery img{height:190px}.reading-article>img{height:280px}.section-heading{align-items:center}.section-heading h2{font-size:28px}.banner-slide img{object-fit:contain}}
@media(max-width:480px){.solution-photo-grid,.category-showcase,.subcategory-grid{grid-template-columns:1fr}.solution-photo-card img{height:230px}.cert-gallery{grid-template-columns:repeat(2,1fr);gap:12px}.cert-gallery a{padding:12px}.cert-gallery img{height:180px}.home-product-grid{gap:12px}.catalog-card h3{font-size:16px}.catalog-card p{display:none}.catalog-card>div:last-child{padding:13px}.catalog-card small{font-size:12px;letter-spacing:0}.news-photo-card{display:block}.news-photo-card>img{height:210px}.section-heading{align-items:flex-start}.section-heading>div>span{font-size:12px}.section-heading h2{font-size:26px}.section-heading>a{padding-top:25px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child p{max-width:none}.banner-controls{bottom:8px}.banner-controls button{width:20px;height:6px}.quick-specs{grid-template-columns:1fr}.category-card .catalog-visual{aspect-ratio:1.35}.floating-quote{padding:12px 8px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

/* Fengyao consistent product frames and compact page titles */
.page-hero{padding:30px 0}.page-hero h1{font-size:clamp(26px,2.5vw,36px);line-height:1.25;margin:8px 0 10px;max-width:1100px}.page-hero .kicker{font-size:14px;letter-spacing:.12em}.page-hero p{font-size:16px;line-height:1.55;max-width:1000px}
@media(max-width:800px){.page-hero{padding:24px 0}.page-hero h1{font-size:27px}.page-hero p{font-size:16px}}
.catalog-card .catalog-visual,.catalog-card .catalog-visual:has(img[src$=".svg"]){aspect-ratio:1.15;min-height:0;max-width:none;width:100%;display:grid;place-items:center;overflow:hidden}.catalog-card .catalog-visual .product-image-swap{width:100%;height:100%;min-height:0}.catalog-card .catalog-visual img,.catalog-card .catalog-visual img[src$=".svg"],.catalog-card .catalog-visual [data-display-image]{width:100%!important;height:100%!important;object-fit:contain;background:#fff}.catalog-card .catalog-visual .product-real-image{object-fit:contain}

/* breadcrumbs.css */
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:0;list-style:none;margin:0;padding:0}.crumb li{display:flex;align-items:center;min-width:0;line-height:1.8}.crumb li+li:before{content:"/";color:#9baaba;margin:0 14px}.crumb li a{display:inline-block;padding:3px 0}.crumb [aria-current="page"]{overflow-wrap:anywhere}.crumb li a:hover{text-decoration:underline;text-underline-offset:4px}@media(max-width:600px){.crumb li+li:before{margin:0 8px}.crumb{font-size:14px}}
/* catalog-cards.css */
.catalog-card{display:flex;flex-direction:column}.catalog-card>div:last-child{display:flex;flex-direction:column;flex:1}.catalog-card h3{height:2.5em;min-height:2.5em;line-height:1.25;margin-top:10px;margin-bottom:14px;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden}.catalog-card .catalog-summary{height:6.4em;min-height:6.4em;line-height:1.6;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:4;overflow:hidden;margin:0 0 20px;font-size:16px}.catalog-card>div:last-child>a:last-child{margin-top:auto;align-self:flex-start}.catalog-card small{min-height:1.65em}@media(max-width:600px){.catalog-card h3{font-size:17px}.catalog-card .catalog-summary{font-size:15px}}