:root{--paper:#f8f7f3;--ink:#242b2d;--accent:#a85428}body{background:var(--paper);color:var(--ink);font-family:Arial,"Microsoft YaHei","PingFang SC",sans-serif;-webkit-font-smoothing:antialiased}p{line-height:1.85}a,button{touch-action:manipulation}.topline{background:#283235}.site-header{background:#fff}.brandmark{background:#283235}.button{border-radius:3px}.hero{min-height:640px}.hero-shade{background:linear-gradient(90deg,rgba(18,27,29,.91),rgba(18,27,29,.60) 55%,rgba(18,27,29,.16))}.hero h1{max-width:850px;font-size:clamp(2.8rem,5.3vw,5rem);font-weight:650;letter-spacing:-.035em;line-height:1.18}.hero-content>p{max-width:680px;line-height:1.9}.eyebrow{letter-spacing:.12em;font-weight:600}.section{padding-top:80px;padding-bottom:80px}.section h2{letter-spacing:-.025em;line-height:1.35}.dark-section{background:#273235}.article-card{border:1px solid #dfdfd8;border-radius:3px;box-shadow:none}.article-card h3{font-size:1.17rem;font-weight:600}.article-card p{line-height:1.8}.article-card img{border-radius:2px}.cta{background:#edece6}.migration-content{font-size:17px;line-height:1.9}.migration-content p{font-size:17px}.migration-content h2{font-size:1.6rem}.migration-content img{max-width:100%;height:auto}input,textarea,select{font-size:16px!important;border-radius:3px}table{font-variant-numeric:tabular-nums}footer{line-height:1.8}img{max-width:100%}a:hover{text-underline-offset:5px}button,a,input,select,textarea{scroll-margin-top:24px}@media(max-width:900px){.hero{min-height:560px}.section{padding-top:48px;padding-bottom:48px}.hero h1{font-size:clamp(2.45rem,8vw,3.9rem)}.navrow{flex-wrap:wrap}.navrow nav.nav-open{max-height:75vh;overflow:auto}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto!important}*,*::before,*::after{animation:none!important;transition:none!important}}

/* Keep CX readable against the supplied dark mark background. */
.brandmark{color:#fff}

/* Mobile layout refinement. Desktop rules remain above this breakpoint. */
@media(max-width:760px){
 .container{width:calc(100% - 36px);max-width:100%;margin-inline:auto}
 .site-header{position:relative;z-index:30}
 .topbar{padding:7px 0;font-size:12px;line-height:1.5}
 .topbar a{min-height:26px;display:inline-flex;align-items:center}
 .navrow{position:relative;height:70px;min-height:70px;gap:12px;flex-wrap:nowrap}
 .brand{min-width:0}.brand strong{font-size:17px}.brand small{font-size:9px;letter-spacing:2px}
 .menu-toggle{min-width:60px;min-height:44px;padding:9px 12px;font-size:15px}
 .navrow nav.nav-open{display:flex;position:absolute;top:100%;left:-18px;right:-18px;flex-direction:column;align-items:stretch;gap:0;padding:8px 18px 16px;background:#fff;border-top:1px solid #e0e4e4;box-shadow:0 12px 18px #15272d20;max-height:70vh;overflow:auto;z-index:40}
 .navrow nav.nav-open a{display:block;padding:14px 8px;min-height:46px;border-bottom:1px solid #edf0f0}
 .navrow nav a:after{display:none}
 .hero{min-height:0;isolation:isolate;position:relative;overflow:hidden}
 .hero .hero-image{position:absolute;inset:0;width:100%;height:100%;max-height:none;object-fit:cover;object-position:58% center}
 .hero .hero-shade{background:linear-gradient(90deg,#102026ed,#10202699),linear-gradient(0deg,#102026c9,transparent)}
 .hero-content{padding-top:46px;padding-bottom:34px}
 .hero h1{font-size:clamp(29px,8.2vw,38px);line-height:1.22;letter-spacing:-.035em}
 .hero-content>.eyebrow{font-size:11px;letter-spacing:.08em}
 .hero-content>p{font-size:15px;line-height:1.85;margin:20px 0}
 .hero-actions{display:flex;flex-direction:row;flex-wrap:wrap;align-items:center;gap:12px 18px;margin-top:22px}
 .hero-actions .button,.hero-actions .text-link{min-height:46px;display:inline-flex;align-items:center;justify-content:center}
 .hero-actions .button{padding:12px 16px;font-size:14px}
 .hero-actions .text-link{font-size:14px}
 .hero-metrics{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px;margin-top:30px;padding-top:20px}
 .hero-metrics b{font-size:20px}.hero-metrics span{font-size:11px}
 .proofgrid{grid-template-columns:1fr 1fr;gap:0}
 .proofgrid>span{padding:14px 8px;font-size:12px;gap:8px;min-width:0}
 .proofgrid svg{width:18px;height:18px;flex:none}
 .section{padding-top:38px;padding-bottom:38px}
 .section h2,.two-col h2,.inquiry-wrap h2,.section-head h2{font-size:26px;line-height:1.35;letter-spacing:-.025em}
 .section h3{font-size:18px;line-height:1.5}
 .section p,.page-hero>p{font-size:15px;line-height:1.85}
 .page-hero{padding-top:38px;padding-bottom:36px}
 .page-hero h1{font-size:clamp(29px,8vw,36px);line-height:1.22;letter-spacing:-.035em}
 .page-hero>p{margin-top:18px}
 .product-hero{display:flex;flex-direction:column;align-items:stretch;gap:26px;padding-top:28px;padding-bottom:30px}
 .product-hero>div{min-width:0}.product-hero>div:first-child{order:0}.product-hero-image{order:1}
 .product-hero h1{font-size:clamp(28px,7.7vw,36px);line-height:1.22;letter-spacing:-.035em;overflow-wrap:anywhere}
 .product-hero .eyebrow{font-size:11px;line-height:1.6;letter-spacing:.05em}
 .product-hero .product-en{font-size:12px;line-height:1.6;letter-spacing:.02em;overflow-wrap:anywhere;margin:10px 0 14px}
 .product-hero>div:first-child>p:not(.product-en){font-size:15px;line-height:1.85}
 .breadcrumbs{font-size:12px;margin-bottom:20px}
 .product-hero-image img{display:block;width:100%;height:auto;max-height:310px;object-fit:contain;background:#fff}
 .product-hero-empty{height:220px}
 .keyword-line{flex-wrap:wrap;gap:7px}.keyword-line span{font-size:11px;line-height:1.5}
 .spec-band>.container{grid-template-columns:1fr}
 .spec-band div div{padding:15px 4px;min-width:0}
 .spec-band b{font-size:15px;line-height:1.6}
 .two-col,.source-copy-grid,.source-copy-grid.single,.faq-grid,.inquiry-wrap,.contact-grid{grid-template-columns:minmax(0,1fr);gap:26px}
 .source-copy-grid>div,.process-grid>div{padding:22px 20px}
 .process-grid{grid-template-columns:1fr;gap:1px}
 .product-gallery{grid-template-columns:1fr;gap:20px;margin-top:22px}
 .product-gallery img{height:auto;max-height:330px;object-fit:contain}
 .product-gallery figcaption{padding:9px 3px 2px;font-size:13px;color:#536970}
 .related-links{gap:10px}.related-links a{min-height:44px;display:inline-flex;align-items:center;max-width:100%;overflow-wrap:anywhere}
 .lead-form{padding:20px 16px;gap:16px;grid-template-columns:minmax(0,1fr)}
 .lead-form label,.lead-form input,.lead-form select,.lead-form textarea{min-width:0;max-width:100%}
 .form-action,.form-tools{flex-wrap:wrap;gap:12px}.form-tools button{min-height:44px}
 .catalog-grid{grid-template-columns:minmax(0,1fr);gap:20px}
 .catalog-copy h3{font-size:20px;line-height:1.4}.catalog-copy p{font-size:14px;overflow-wrap:anywhere}
 .section-head{gap:16px;margin-bottom:26px}
 .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:28px}
 .site-footer{padding-top:36px}.site-footer a{min-height:36px;overflow-wrap:anywhere}
 .copyright{display:flex;flex-wrap:wrap;gap:12px;line-height:1.7;font-size:12px;padding-top:20px;padding-bottom:24px}
}
@media(max-width:360px){.hero-actions{gap:8px 12px}.hero-actions .button{padding-inline:12px}.hero-metrics b{font-size:18px}.brandmark{width:34px;height:34px}.section h2{font-size:24px}}

@media(max-width:760px){.hero .hero-metrics>div:last-child{grid-column:auto}.hero .hero-image{height:100%!important;min-height:100%;object-fit:cover}}

@media(max-width:760px){.navrow nav.nav-open{width:auto}.page-hero h1,.section h2{text-wrap:balance}}

@media(max-width:760px){
 .family-jump{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;margin-top:24px}
 .family-jump a{min-width:0;padding:14px 12px;font-size:14px;line-height:1.5;overflow-wrap:anywhere}
 .family-jump small{font-size:11px;letter-spacing:0;line-height:1.5;margin-top:5px;overflow-wrap:anywhere;font-weight:500}
 .family-title-row{flex-wrap:wrap;align-items:flex-start;gap:12px}
 .family-title-row h2{min-width:0;overflow-wrap:anywhere}
 .catalog-media img{object-fit:contain;background:#f3f5f5}
 .catalog-copy{padding:20px 18px}.catalog-copy h3{margin-top:8px;overflow-wrap:anywhere}
 .catalog-copy small{font-size:12px;line-height:1.6;letter-spacing:0;overflow-wrap:anywhere}
 .historical-config{padding:20px 16px;margin-top:0}
 .historical-config h2{font-size:23px;line-height:1.4}
 .historical-config .table-scroll{max-width:100%;margin:20px 0}
 .historical-config .table-scroll table{min-width:0;table-layout:fixed;width:100%}
 .historical-config .table-scroll th,.historical-config .table-scroll td{font-size:13px;line-height:1.7;padding:11px 9px;white-space:normal;overflow-wrap:anywhere;vertical-align:top}
 .historical-config .table-scroll th:first-child,.historical-config .table-scroll td:first-child{width:39%}
 .lead-form input::placeholder,.lead-form textarea::placeholder{font-size:14px;font-weight:400;letter-spacing:0;color:#738185}
 .lead-form textarea{min-height:140px;resize:vertical}
 .lead-form .form-action{display:flex;flex-direction:column;align-items:stretch;gap:10px}
 .lead-form .form-action .button{width:100%;min-height:46px;white-space:normal;line-height:1.5}
 .lead-form .form-action small{font-size:13px;line-height:1.7}
 .lead-form .form-tools{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 .lead-form .form-tools button{width:100%;min-width:0;padding:12px 8px;font-size:13px;line-height:1.5}
 .lead-form .form-note,.lead-form .form-status{font-size:13px;line-height:1.75;margin:0}
 .contact-grid>div{min-width:0}.contact-grid a{overflow-wrap:anywhere}
}

.navrow nav a[aria-current]{color:#286170}
@media(max-width:760px){.navrow nav.nav-open a[aria-current]{background:#edf3f4;border-left:3px solid #286170;padding-left:12px}}