/* Shared accessible components and responsive detail pages. */
:root{--ink:#1a1919;--muted:#807d7c;--line:#e5e4e4;--soft:#f5f4f4;--accent:#d06449;--ease:cubic-bezier(.2,.7,.2,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;color:var(--ink);background:#fff;font:15px/1.75 "Segoe UI","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}button{cursor:pointer}img{max-width:100%;display:block}h1,h2,h3,h4,p,figure{margin:0}h1,h2,h3{line-height:1.3;font-weight:650;letter-spacing:-.045em}ul{list-style:none;padding:0;margin:0}em{font-style:normal}button:disabled{opacity:.55;cursor:wait}::selection{background:#d06449;color:white}:focus-visible{outline:3px solid #c4b2ad;outline-offset:4px}[hidden]{display:none!important}.shell{width:calc(100% - 112px);max-width:1600px;margin:auto}.sr-only,.skip-link:not(:focus){position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0)}.skip-link:focus{position:fixed;z-index:100;top:10px;left:10px;background:white;padding:12px}.muted{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:28px;min-height:52px;padding:12px 25px;border:1px solid transparent;border-radius:2px;font-size:13px;font-weight:600;transition:background .2s,transform .2s,border-color .2s}.btn:hover{transform:translateY(-2px)}.btn-primary{background:var(--accent);color:white}.btn-primary:hover{background:#c14e32}.btn-ghost{border-color:#d0cece;background:transparent}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn-sm{min-height:42px;padding:8px 18px;font-size:12px}.btn-block{width:100%}.text-link,.section-link{font-size:13px;font-weight:600;display:inline-flex;gap:24px;align-items:center;border-bottom:1px solid currentColor;padding-bottom:9px}.text-link:hover,.section-link:hover{color:var(--accent)}.eyebrow{font:600 10px/1.6 "Segoe UI",sans-serif;letter-spacing:.14em;color:var(--muted);margin-bottom:22px}.section{padding:88px 0}.section-tint{background:var(--soft)}.section-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:30px;margin-bottom:42px}.section-heading h2,.section-head h2{font-size:clamp(27px,2.6vw,42px)}.section-head{margin-bottom:35px}.section-head p:not(.eyebrow){color:var(--muted);margin-top:15px}.center{text-align:center;margin-top:32px}.lead{color:#7b7877;font-size:16px;line-height:1.9}.hero-cta{display:flex;gap:22px;align-items:center;flex-wrap:wrap;margin-top:34px}
.nav{background:#fff;position:sticky;top:0;z-index:30;border-bottom:1px solid var(--line)}.nav-inner{height:86px;display:flex;align-items:center;justify-content:space-between;gap:25px}.brand{display:flex;align-items:center;gap:13px;flex-shrink:0}.brand-mark{display:grid;place-items:center;width:43px;height:43px;background:var(--accent);color:#fff;font-size:18px;font-weight:750;letter-spacing:-.08em;transform:skew(-7deg)}.brand-text{font-size:21px;font-weight:700;letter-spacing:-.05em;line-height:1.3}.brand-text small{display:block;font-size:7px;letter-spacing:.13em;color:#807d7c;margin-top:5px;font-weight:600}.nav-links{display:flex;gap:32px;align-items:center;height:100%;font-size:13px}.nav-links a{height:100%;display:flex;align-items:center;position:relative;color:#6b6969}.nav-links a:after{content:'';height:2px;position:absolute;bottom:0;left:0;right:0;background:var(--accent);transform:scaleX(0);transition:transform .25s}.nav-links a.is-active,.nav-links a:hover{color:var(--ink)}.nav-links a:hover:after,.nav-links a.is-active:after{transform:scaleX(1)}.nav-actions{display:flex;gap:12px;align-items:center}.nav-toggle{display:none;width:35px;height:35px;border:0;background:transparent;padding:5px}.nav-toggle span{display:block;width:23px;height:2px;margin:5px 0;background:var(--ink)}.mobile-menu{padding:15px 24px 24px;background:white;border-top:1px solid var(--line)}.mobile-menu>a{display:block;padding:11px 0}.mobile-menu>.btn{margin-top:10px}
.products-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px}.product-card{position:relative;background:#f5f5f5;border:1px solid transparent;transition:border-color .25s,box-shadow .25s,transform .3s;min-width:0;overflow:hidden;display:flex;flex-direction:column}.product-card:hover{border-color:#e1d8d5;box-shadow:0 16px 28px #5523160d;transform:translateY(-5px)}.card-overlay{position:absolute;inset:0;z-index:2}.card-media{overflow:hidden;aspect-ratio:1.7;background:#efefef}.card-media img{width:100%;height:100%;object-fit:cover;mix-blend-mode:multiply;transition:transform .6s var(--ease)}.product-card:hover .card-media img{transform:scale(1.06)}.card-body{padding:23px 26px 0;display:flex;flex-direction:column;flex:1}.product-top{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.grade{font:650 10px/1.4 "Segoe UI",sans-serif;letter-spacing:.1em;color:var(--accent);border:1px solid #e8e1e0;padding:5px 8px;display:inline-block;background:#f8f6f5}.card-arrow{font-size:22px;line-height:1;transition:transform .25s}.product-card:hover .card-arrow{transform:translate(3px,-3px);color:var(--accent)}.card-body h3{font-size:25px;letter-spacing:-.04em}.card-link{position:relative;z-index:3}.brand-name{font-size:11px;color:#827e7d;margin-top:6px}.card-body>p{font-size:12px;color:#716d6c;line-height:1.8;margin:15px 0}.specs{display:flex;gap:5px;flex-wrap:wrap}.specs>span{font-size:10px;color:#817e7d;padding:3px 7px;background:#edeceb}.card-bottom{display:flex;justify-content:space-between;border-top:1px solid #e5e3e2;padding:17px 0;margin-top:24px;align-items:center}.card-more{font-size:11px;font-weight:500}.card-quote{position:relative;z-index:3;color:var(--accent);font-size:12px;font-weight:650;padding:3px 0 3px 14px}.card-quote span{margin-left:12px}.card-quote:hover{text-decoration:underline}.catalog-end{display:flex;justify-content:space-between;gap:20px;padding-top:29px;font-size:12px;color:var(--muted)}.catalog-end a{color:var(--accent)}
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:40px}.news-card{padding:25px 0 20px;border-top:1px solid #c4c1c1;display:flex;flex-direction:column;transition:border-color .3s}.news-card:hover{border-color:var(--accent)}.news-card time{font-size:10px;letter-spacing:.06em;color:#918d8c}.news-card h3{font-size:20px;line-height:1.6;margin:22px 0 14px;font-weight:550;transition:color .2s}.news-card:hover h3{color:var(--accent)}.news-card p{font-size:12px;color:#8e8b8b;line-height:1.9;margin-bottom:30px}.news-card .card-more{margin-top:auto;color:var(--accent)}.article{max-width:900px}.article-head{padding-bottom:40px;border-bottom:1px solid var(--line)}.article-head h1{font-size:38px;line-height:1.5}.article-head time{display:block;color:var(--muted);font-size:12px;margin-top:22px}.article-body{padding:42px 0;font-size:16px;line-height:2.1;color:#625e5d}.article-body p{margin-bottom:22px}.article-foot{display:flex;gap:15px;border-top:1px solid var(--line);padding-top:28px;flex-wrap:wrap}
.contact{background:#f6f3f2;scroll-margin-top:80px}.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:100px;align-items:start}.contact-copy .eyebrow{color:var(--accent)}.contact-copy h2{font-size:clamp(36px,3.8vw,58px);font-weight:500;line-height:1.4}.contact-copy h2 em{font-size:.65em;color:var(--accent)}.contact-copy>p:not(.eyebrow){margin-top:23px;max-width:365px;color:#86807e;font-size:13px}.contact-copy ul{display:grid;gap:15px;margin-top:38px;font-size:12px}.contact-copy li{display:flex;gap:24px}.contact-copy li b{flex-shrink:0;min-width:52px;font-weight:450;color:#999493}.contact-copy li>a{font-size:22px;color:var(--accent);line-height:1.2;letter-spacing:-.035em}.contact-form{background:#fff;padding:39px 42px}.form-heading{margin-bottom:25px}.form-heading>span{font-size:9px;letter-spacing:.12em;color:var(--accent)}.form-heading h3{font-size:23px;margin:10px 0}.form-heading p{font-size:12px;color:#9b9898}.contact-fields{display:grid;grid-template-columns:1fr 1fr;gap:17px}.field{display:grid;gap:8px;margin-bottom:19px;min-width:0}.field label{font-size:11px;color:#6e6b6a}.field em{color:var(--accent)}.field input,.field textarea{min-width:0;width:100%;border:1px solid #e5e3e2;background:#fbfbfb;padding:12px 13px;border-radius:1px;color:var(--ink);font-size:12px;transition:border-color .2s}.field input:focus,.field textarea:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 3px #d064490c}.field input::placeholder,.field textarea::placeholder{color:#aca9a8}.field textarea{resize:vertical}.field.has-error input,.field.has-error textarea{border-color:#c43250}.form-privacy{font-size:10px;text-align:center;margin-top:12px;color:#aca9a8}.form-note{font-size:12px;margin-top:10px;min-height:16px;color:#6f6c6b}.form-note.is-err{color:#bd3150}.form-note.is-ok{color:var(--accent)}
.crumbs{display:flex;gap:11px;flex-wrap:wrap;font-size:10px;color:#939090;padding:24px 0}.crumbs b{color:#605d5c;font-weight:400}.page-head{padding:36px 0 52px;border-bottom:1px solid var(--line);background:linear-gradient(110deg,#fff 50%,#f7f5f5)}.page-head h1{font-size:clamp(38px,4vw,62px);font-weight:550;margin-bottom:20px}.page-head .eyebrow{color:var(--accent);font-size:9px;margin-bottom:15px}.page-head .lead{font-size:14px}.products-page{padding-top:42px}.catalog-layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:38px;align-items:start}.filter-bar{background:#f7f6f6;padding:23px;position:sticky;top:112px}.filter-heading{display:flex;justify-content:space-between;align-items:center;font-size:14px;font-weight:550;margin-bottom:23px}.filter-heading a{font-size:10px;color:#969392;font-weight:400}.filter-search{width:100%;min-width:0;padding:12px 10px;border:1px solid var(--line);background:white;font-size:11px}.filter-bar>button{width:100%;margin-top:9px}.filter-chips{display:flex;flex-wrap:wrap;gap:7px;border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.filter-label{width:100%;font-size:11px;color:#908c8b;margin-bottom:5px}.chip{font-size:11px;padding:5px 10px;background:#fff;border:1px solid #e6e4e3;transition:color .2s,background .2s}.chip:hover{border-color:var(--accent);color:var(--accent)}.chip.is-active{background:var(--accent);border-color:var(--accent);color:white}.catalog-results{min-width:0}.results-heading{display:flex;justify-content:space-between;gap:20px;padding-bottom:23px;font-size:12px}.results-heading b{font-weight:500}.results-heading span{font-size:10px;color:var(--muted)}.catalog-results .products-grid{gap:18px}.catalog-results .card-body{padding:18px 19px 0}.catalog-results .card-body h3{font-size:21px}.catalog-results .card-body>p{font-size:11px}.pager{display:flex;justify-content:center;gap:8px;align-items:center;margin-top:40px;flex-wrap:wrap}.pager a,.pager span{font-size:12px;padding:7px 12px;border:1px solid var(--line)}.pager .is-current{background:var(--accent);color:#fff;border-color:var(--accent)}.pager .is-disabled{opacity:.35}.empty-note{padding:45px 25px;background:var(--soft);color:#969291;font-size:13px}.empty-note a{color:var(--accent)}
.pd-head{padding:25px 0 70px}.pd-grid{display:grid;grid-template-columns:1.08fr 1fr;gap:40px 60px;align-items:start}.pd-gallery{background:#f5f4f4;position:relative}.pd-photo{height:auto;width:100%;aspect-ratio:1.35;object-fit:cover;mix-blend-mode:multiply}.pd-badge{font-size:9px;color:#918e8d;padding:15px 22px;letter-spacing:.1em;border-top:1px solid var(--line)}.pd-intro{padding-top:25px}.pd-intro h1{font-size:clamp(35px,4vw,58px);margin:20px 0 8px;font-weight:550}.pd-brand{font-size:13px;color:#979392}.pd-intro>.lead{font-size:14px;margin:25px 0}.pd-keywords{display:flex;gap:13px;flex-wrap:wrap;font-size:10px;color:#9a9796;margin-bottom:17px}.pd-specs>span{padding:6px 10px}.pd-intro .hero-cta{margin-top:27px;gap:12px}.pd-intro .btn{font-size:12px;padding:11px 18px}.pd-params{grid-column:1/-1;display:grid;grid-template-columns:180px 1fr;gap:10px 40px;border-top:1px solid var(--line);padding-top:35px}.parameter-title .eyebrow{font-size:8px;color:var(--accent);margin-bottom:10px}.pd-params h2{font-size:22px;font-weight:500}.pd-params dl{display:grid;grid-template-columns:repeat(3,1fr);gap:22px 35px;margin:0}.pd-params dl>div{display:grid;gap:7px;border-bottom:1px solid var(--line);padding-bottom:12px}.pd-params dt{font-size:10px;color:#9f9c9b}.pd-params dd{font-size:13px;margin:0;color:#4d4a49}.pd-note{font-size:11px;color:#9c9998;line-height:1.9}.pd-params>.pd-note{grid-column:2;margin-top:10px}.table-wrap{max-width:100%;overflow-x:auto;border:1px solid var(--line)}.spec-table{width:100%;border-collapse:collapse;font-size:13px;text-align:left;background:white}.spec-table th{font-weight:500;color:#979392;background:#fafafa;font-size:11px}.spec-table td,.spec-table th{padding:17px 23px;border-bottom:1px solid var(--line)}.spec-table tr:last-child td{border-bottom:0}.spec-table tr.is-current{background:#f8f6f5}.pd-sections{display:grid;grid-template-columns:1fr 1fr;gap:40px}.pd-section{border-top:1px solid var(--line);padding-top:25px}.pd-section h3{font-size:20px;margin-bottom:18px}.pd-section p{font-size:14px;color:#807c7b;margin-top:12px}.pd-cols{display:grid;grid-template-columns:1fr 1fr 1.2fr;gap:60px}.pd-cols h2{font-size:24px;margin-bottom:24px}.ticks li{font-size:13px;color:#7f7a79;padding:8px 0 8px 22px;position:relative}.ticks li:before{content:'↗';position:absolute;left:0;color:var(--accent)}.pd-advice{font-size:14px;color:#7f7a79;line-height:2}.about-layout{display:grid;grid-template-columns:1fr 1fr;gap:90px;align-items:start}.about-copy{font-size:15px;color:#7c7978;line-height:2.2}.about-copy p{margin-bottom:25px}.about-copy h2{color:var(--ink);font-size:30px;margin:36px 0 20px}.about-facts{padding:35px;background:var(--soft)}.about-facts h2{font-size:24px}.fact-list{margin-top:26px}.fact-list>div{display:grid;grid-template-columns:115px 1fr;gap:15px;font-size:12px;padding:13px 0;border-bottom:1px solid var(--line)}.fact-list dt{color:#9e9b9a}.fact-list dd{margin:0}.about-facts .pd-note{margin-top:20px}
.footer{background:#1a1919;color:#b0aead;padding:64px 0 22px}.footer-lead{display:flex;justify-content:space-between;align-items:center;gap:35px;border-bottom:1px solid #ffffff20;padding-bottom:48px}.footer-wordmark{font-size:clamp(36px,5vw,74px);font-weight:700;letter-spacing:-.065em;line-height:1;color:#f6f6f6}.footer-wordmark span{display:block;font-size:15px;letter-spacing:.35em;font-weight:400;margin-top:20px}.footer-lead>p{font-size:23px;color:white;font-weight:350}.footer-lead small{font-size:8px;letter-spacing:.17em;color:#74706f}.footer-grid{display:grid;grid-template-columns:1.15fr 1fr 1fr;gap:70px;padding:42px 0}.footer-grid h3{font-size:12px;font-weight:500;letter-spacing:0;margin-bottom:18px;color:#e2e0e0}.footer-grid p{font-size:10px;line-height:2;color:#7e7b7a}.footer-links{display:grid;grid-template-columns:1fr 1fr;font-size:10px;gap:10px 20px}.footer a:hover{color:#ccbcb8}.footer-phone{font-size:28px;letter-spacing:-.035em;color:white;display:block;margin-bottom:10px}.footer-bottom{border-top:1px solid #ffffff15;display:flex;justify-content:space-between;gap:20px;padding-top:20px;font-size:9px;color:#6c6867}.quote-dock{position:fixed;right:24px;bottom:24px;z-index:20;display:flex;align-items:center;background:white;box-shadow:0 5px 35px #0002;border:1px solid var(--line)}.dock-phone{font-size:11px;padding:0 18px}.quote-dock .btn{border-radius:0}.quote-dock .btn:hover{transform:none}
@media(min-width:1800px){.material-hero{height:800px;max-height:none}.hero-background{object-position:center 58%}.hero-content h1{font-size:96px}.hero-description{font-size:17px}.section{padding:105px 0}}
@media(max-width:1200px){.shell{width:calc(100% - 64px)}.nav-links{gap:22px}.index-layout{gap:45px;grid-template-columns:1fr 1.4fr}.contact-inner,.procurement-grid{gap:55px}.category>b{display:none}.catalog-layout{grid-template-columns:210px minmax(0,1fr);gap:25px}.catalog-results .products-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.contact-form{padding:30px}.material-hero{min-height:610px}.hero-content h1{font-size:65px}.hero-footnote{font-size:8px}.finder-inner{gap:0 40px}.pd-grid{gap:35px}.footer-grid{gap:35px}}
@media(max-width:900px){.nav-inner{height:74px}.nav-links{display:none}.nav-toggle{display:block}.material-hero{min-height:630px;height:650px}.hero-content h1{font-size:64px}.hero-background{object-position:56% center;opacity:.8}.hero-content{padding-top:15px}.material-hero:after{background:linear-gradient(90deg,#12121280,transparent)}.products-grid{gap:18px}.card-body{padding:18px 18px 0}.card-body h3{font-size:21px}.card-body>p{font-size:11px}.card-media{aspect-ratio:1.3}.section{padding:65px 0}.section-heading{margin-bottom:30px}.index-layout,.procurement-grid{grid-template-columns:1fr;gap:35px}.category>b{display:block}.contact-inner{gap:35px}.contact-copy h2{font-size:38px}.contact-form{padding:27px}.contact-fields{grid-template-columns:1fr;gap:0}.finder-inner{grid-template-columns:1fr 1.4fr;gap:0 25px}.finder-inner h2{font-size:17px}.finder-inner input{font-size:11px}.finder-popular{gap:16px}.pd-grid{gap:30px}.pd-intro{padding:0}.pd-intro h1{font-size:36px}.pd-intro .btn{min-height:44px;font-size:11px}.pd-params{grid-template-columns:130px 1fr}.pd-params dl{grid-template-columns:repeat(2,1fr)}.pd-cols{gap:28px}.about-layout{gap:35px}.footer-phone{font-size:23px}.footer-grid{gap:25px}.news-grid{gap:24px}.news-card h3{font-size:18px}}
@media(max-width:600px){html{scroll-padding-top:75px}.shell{width:calc(100% - 40px)}body{font-size:14px}.nav-inner{height:70px;gap:15px}.brand-mark{width:33px;height:33px;font-size:14px}.brand{gap:9px}.brand-text{font-size:18px}.brand-text small{font-size:5px;letter-spacing:.08em}.nav-actions{gap:9px}.nav-actions .btn{min-height:34px;font-size:10px;padding:7px 10px}.nav-toggle{width:28px}.material-hero{height:710px;min-height:0;max-height:none}.hero-background{object-position:69% center;opacity:.7}.material-hero:after{background:linear-gradient(180deg,#171616b3 10%,#17161642 55%,#17161620)}.hero-content{justify-content:flex-start;padding-top:52px}.hero-content>.eyebrow{font-size:8px;margin-bottom:23px}.hero-content h1{font-size:59px;line-height:1.2}.hero-description{font-size:12px;line-height:1.9;margin-top:22px}.hero-cta{gap:17px;margin-top:27px}.hero-cta .btn{font-size:12px;padding:12px 18px;min-height:46px;gap:20px}.hero-explore{font-size:11px;gap:15px}.hero-footnote{bottom:25px;font-size:9px;line-height:1.6}.hero-footnote>span:last-child{display:none}.image-caption{font-size:7px}.finder-inner{display:block;padding-top:25px;padding-bottom:23px}.finder-inner h2{font-size:20px}.finder-inner form{margin-top:16px}.finder-inner input{font-size:11px}.finder-inner button{font-size:11px}.finder-popular{gap:20px;font-size:9px}.section{padding:50px 0}.eyebrow{font-size:8px;margin-bottom:16px}.section-heading{align-items:flex-start;gap:18px;flex-direction:column;margin-bottom:27px}.section-heading h2,.section-head h2{font-size:27px}.section-link{font-size:11px;padding-bottom:6px}.products-grid{grid-template-columns:1fr;gap:22px}.card-media{aspect-ratio:1.8}.card-body{padding:21px 22px 0}.card-body h3{font-size:26px}.card-body>p{font-size:12px}.card-bottom{margin-top:20px;padding:15px 0}.product-top{margin-bottom:10px}.catalog-end{flex-direction:column;font-size:11px;gap:9px;padding-top:24px}.index-layout h2,.procurement-title h2{font-size:30px}.index-layout>div>p:not(.eyebrow){font-size:12px;margin:20px 0}.category{gap:17px;padding:22px 0}.category h3{font-size:18px}.category p{font-size:10px}.category>b{display:none}.category-arrow{margin-left:0;font-size:22px}.procurement-grid{gap:30px}.procurement-title>p:not(.eyebrow){font-size:12px}.procurement-steps article{padding:25px 0;gap:23px}.procurement-steps h3{font-size:22px}.procurement-steps p{font-size:12px}.news-grid{grid-template-columns:1fr;gap:12px}.news-card{padding-top:21px}.news-card h3{font-size:19px;margin:16px 0 10px}.news-card p{margin-bottom:20px}.contact-inner{grid-template-columns:1fr;gap:32px}.contact-copy h2{font-size:40px}.contact-copy>p:not(.eyebrow){font-size:12px}.contact-copy ul{margin-top:27px;gap:13px;font-size:11px}.contact-copy li{gap:20px}.contact-copy li>a{font-size:23px}.contact-form{padding:25px 22px}.form-heading h3{font-size:21px}.form-heading p{font-size:11px}.contact-fields{grid-template-columns:1fr 1fr;gap:13px}.field{gap:7px;margin-bottom:17px}.field input,.field textarea{font-size:12px;padding:11px}.contact-form .btn{font-size:12px;min-height:46px}.crumbs{padding:18px 0;font-size:9px;gap:8px}.page-head{padding:23px 0 32px}.page-head h1{font-size:36px;margin-bottom:15px}.page-head .lead{font-size:12px}.catalog-layout{grid-template-columns:1fr;gap:25px}.products-page{padding-top:25px}.filter-bar{position:static;padding:20px;display:grid;grid-template-columns:1fr auto;gap:0 10px}.filter-heading,.filter-chips{grid-column:1/-1}.filter-heading{margin-bottom:15px}.filter-bar>button{margin:0}.filter-chips{padding-top:15px;margin-top:17px;gap:7px}.filter-label{width:35px;display:flex;align-items:center;margin:0}.chip{font-size:10px;padding:5px 8px}.catalog-results .products-grid{grid-template-columns:1fr}.catalog-results .card-body h3{font-size:26px}.results-heading{font-size:11px;padding-bottom:18px}.results-heading span{font-size:9px}.catalog-results .card-body{padding:21px 22px 0}.catalog-results .card-body>p{font-size:12px}.pd-grid{grid-template-columns:1fr;gap:26px}.pd-head{padding:8px 0 40px}.pd-photo{aspect-ratio:1.5;height:auto}.pd-badge{font-size:8px;padding:12px 18px}.pd-intro h1{font-size:42px}.pd-intro>.lead{font-size:13px;margin:18px 0}.pd-intro .hero-cta{gap:10px}.pd-intro .btn{font-size:11px;padding:10px 15px}.pd-params{grid-template-columns:1fr;gap:23px;margin-top:10px;padding-top:26px}.pd-params dl{gap:19px 25px}.pd-params>.pd-note{grid-column:1}.pd-cols,.pd-sections{grid-template-columns:1fr;gap:35px}.pd-cols h2{margin-bottom:17px;font-size:23px}.spec-table{font-size:11px;min-width:380px}.spec-table td,.spec-table th{padding:13px 15px}.pd-section p{font-size:13px}.about-layout{grid-template-columns:1fr;gap:30px}.about-copy{font-size:13px}.about-facts{padding:24px}.fact-list>div{font-size:11px;grid-template-columns:100px 1fr}.article-head h1{font-size:29px}.article-body{font-size:14px;padding:30px 0}.article-foot .btn{font-size:11px;padding:12px 16px}.footer{padding:42px 0 85px}.footer-lead{flex-direction:column;align-items:flex-start;gap:24px;padding-bottom:30px}.footer-wordmark{font-size:49px}.footer-wordmark span{font-size:12px;margin-top:12px}.footer-lead>p{font-size:19px}.footer-grid{grid-template-columns:1fr 1fr;gap:30px 25px;padding:30px 0}.footer-grid>div:first-child{grid-column:1/-1}.footer-grid h3{font-size:11px;margin-bottom:14px}.footer-grid p{font-size:9px}.footer-links{font-size:9px;gap:12px}.footer-phone{font-size:21px}.footer-bottom{font-size:8px;flex-wrap:wrap;gap:10px}.footer-bottom>p{width:100%}.quote-dock{bottom:13px;right:13px}.quote-dock .btn{font-size:10px;min-height:36px;padding:8px 15px}.dock-phone{font-size:10px;padding:0 14px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* HECHENG 0.6 — bright material supply directory */
.utility-bar{background:#f3f3f3;border-bottom:1px solid #e9e7e2;font-size:11px;color:#6c6a68}
.utility-bar>.shell{display:flex;justify-content:space-between;gap:20px;padding-top:8px;padding-bottom:8px}
.utility-bar a{color:#373634}.shell{max-width:1440px;width:calc(100% - 112px)}
:root{--ink:#252423;--muted:#767370;--line:#e2e1e0;--soft:#f5f4f4;--accent:#b8442c}
body{font-family:"Microsoft YaHei","Segoe UI",sans-serif;color:var(--ink)}
h1,h2,h3{letter-spacing:-.035em}::selection{background:#b8442c;color:white}
:focus-visible{outline-color:#c77562}.btn{border-radius:4px;font-size:14px;min-height:48px;gap:30px;padding:11px 23px}
.btn-primary:hover{background:#93321f}.btn-ghost{border-color:#c8c6c5;background:transparent}.btn-sm{font-size:13px;min-height:40px;padding:8px 17px}
.nav-inner{height:86px}.brand-mark{background:#b8442c;transform:none;border-radius:3px;width:44px;height:44px;font-size:19px}
.brand-text{font-size:23px;letter-spacing:.02em}.brand-text small{font-size:8px;letter-spacing:.16em;color:#73706c}
.nav-links{font-size:14px;gap:36px}.nav-links a{color:#54524f}.nav-links a.is-active{color:var(--accent)}
.eyebrow{font-size:10px;letter-spacing:.14em;color:var(--accent);margin-bottom:13px}
.section{padding:76px 0}.section-heading{margin-bottom:30px;align-items:center}.section-heading h2,.section-head h2{font-size:32px;font-weight:600}
.section-link,.text-link{font-size:13px;border:0;padding:8px 0;gap:25px}.heading-note{font-size:13px;color:var(--muted)}
.supply-hero{background:#f3f2f2;border-bottom:1px solid #e9e6df;overflow:hidden}
.supply-hero-grid{display:grid;grid-template-columns:1fr 1.12fr;align-items:center;min-height:510px;gap:25px}
.supply-copy{padding:54px 0 52px;position:relative;z-index:1}.supply-copy .eyebrow{font-size:12px;letter-spacing:.06em;display:flex;align-items:center;gap:9px;color:#6a6663;margin-bottom:26px}
.supply-copy .eyebrow>span{width:6px;height:6px;background:var(--accent);border-radius:50%}
.supply-copy h1{font-size:clamp(36px,3.8vw,62px);line-height:1.36;font-weight:600;letter-spacing:-.045em;color:#282726}
.supply-description{font-size:14px;color:#736f6b;line-height:1.95;margin-top:23px}.supply-copy .hero-cta{margin-top:29px;gap:13px}.supply-copy .btn-primary{min-width:155px}
.supply-tags{display:flex;gap:0;margin-top:38px;font-size:11px;color:#7c7874}.supply-tags span+span{border-left:1px solid #cac8c6;padding-left:19px;margin-left:19px}
.supply-visual{position:relative;align-self:stretch;display:flex;flex-direction:column;justify-content:center;min-width:0}
.supply-visual img{width:calc(100% + 58px);max-width:none;height:auto;aspect-ratio:1.5;object-fit:cover;mix-blend-mode:multiply;transform:translateX(-6px)}
.supply-visual figcaption{position:absolute;bottom:29px;right:0;left:20px;display:flex;justify-content:space-between;gap:16px;border-top:1px solid #d5d3d2;padding-top:14px;font-size:11px;color:#726e6b}
.supply-visual small{font-size:8px;letter-spacing:.06em;color:#918c88}
.quick-finder{display:grid;grid-template-columns:245px 1fr;gap:15px 32px;padding:32px 0 29px;border-bottom:1px solid var(--line);align-items:center}
.finder-title{display:flex;gap:17px;align-items:center;grid-row:1/3}.finder-title h2{font-size:19px;letter-spacing:0}.finder-title p{font-size:11px;color:var(--muted);margin-top:5px}.finder-symbol{font-size:39px;line-height:1;color:var(--accent);font-family:Arial,sans-serif}
.quick-finder form{display:flex;background:var(--soft);border:1px solid #d8d6d5;padding:4px;border-radius:5px;min-width:0}.quick-finder input{flex:1;min-width:0;border:0;background:transparent;padding:10px 15px;font-size:13px;color:var(--ink)}.quick-finder input::placeholder{color:#8c8884}.quick-finder .btn{min-height:43px;font-size:13px;gap:22px}
.quick-keywords{display:flex;gap:21px;flex-wrap:wrap;font-size:11px;line-height:1.4}.quick-keywords>span{color:#95918d}.quick-keywords a{color:#696662}.quick-keywords a:hover{color:var(--accent)}
.material-paths{padding:57px 0 65px}.material-path-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px}
.material-path{border:1px solid var(--line);padding:21px 18px 23px;transition:background .2s,border-color .2s;min-width:0;background:white}.material-path:hover{background:#faf6f2;border-color:#c27b66}
.path-top{display:flex;justify-content:space-between;align-items:center;color:#8d8985;font-size:10px;margin-bottom:28px}.path-top b{font-size:16px;font-weight:400;color:#74706c}
.material-path>strong{font-size:19px;color:var(--accent);font-weight:550;letter-spacing:-.02em}.material-path h3{font-size:16px;margin-top:12px;letter-spacing:0;font-weight:600}.material-path p{font-size:11px;color:#7b7773;line-height:1.85;margin-top:9px}
.selected-materials{background:#f6f6f5;border-top:1px solid #e9e9e8;border-bottom:1px solid #e9e9e8}
.products-grid{gap:24px}.product-card{background:white;border:1px solid #e3e2e1;border-radius:5px;box-shadow:none}
.product-card:hover{border-color:#c49c8c;transform:translateY(-3px);box-shadow:0 12px 25px #4e342a0a}.card-media{aspect-ratio:2.1;background:#efeeee}.card-body{padding:22px 24px 0}.card-body h3{font-size:25px;font-weight:600}.card-body>p{color:#75716d;font-size:13px;margin:12px 0}.brand-name{font-size:12px;color:#736f6b}.grade{font-size:10px;color:#7f5b4e;background:#f8eee8;border-color:#edddd4;border-radius:3px}.specs>span{background:#f2f2f1;color:#73706c;font-size:11px;border-radius:2px}.card-arrow{font-size:18px;color:#8e8a85}.card-bottom{margin-top:19px;padding:15px 0;border-top-color:#e7e6e5}.card-more{font-size:12px;color:#807b77}.card-quote{font-size:13px;color:var(--accent)}.catalog-end{font-size:12px;padding-top:25px}
.brand-directory{padding:56px 0}.brand-directory .section-heading h2{font-size:27px}.supplier-brands{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));border-left:1px solid var(--line);border-top:1px solid var(--line)}
.supplier-brands a{display:flex;justify-content:space-between;align-items:center;padding:25px 20px;border-bottom:1px solid var(--line);border-right:1px solid var(--line);font-size:16px;font-weight:600;gap:10px}.supplier-brands b{font-weight:400;font-size:13px;color:#9a9693}.supplier-brands a:hover{background:#f8f6f1;color:var(--accent)}
.company-intro{background:#edeceb}.company-intro-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:100px}.company-intro h2,.updates-layout h2{font-size:35px;line-height:1.6;font-weight:550}.company-intro .text-link,.updates-layout .text-link{margin-top:26px;color:var(--accent)}.company-intro-body>h3{font-size:18px;margin-bottom:18px}.company-intro-body>p{font-size:14px;line-height:2;color:#706c68;margin-top:10px}.company-services{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:25px;margin-top:33px;padding-top:25px;border-top:1px solid #d4d2d1}.company-services span{font-size:10px;color:var(--accent)}.company-services h4{font-size:15px;font-weight:550;margin:11px 0 7px}.company-services p{font-size:12px;color:#817d79;line-height:1.9}
.updates-layout{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,2fr);gap:80px}.updates-layout>*{min-width:0}.update-row{display:flex;gap:27px;align-items:center;padding:25px 0;border-bottom:1px solid var(--line)}.update-row:first-child{border-top:1px solid var(--line)}.update-row time{font-size:11px;color:#85807c;flex-shrink:0;font-variant-numeric:tabular-nums}.update-row>div{flex:1;min-width:0}.update-row h3{font-size:17px;font-weight:550;line-height:1.7}.update-row p{font-size:12px;color:#85807c;margin-top:7px;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}.update-row>span{font-size:19px;color:#979390}.update-row:hover h3{color:var(--accent)}
.contact{background:#f5f0ea;border-top:1px solid #e5ded5}.contact-inner{gap:85px;grid-template-columns:1fr 1.1fr}.contact-copy h2{font-size:37px;line-height:1.6;font-weight:550}.contact-copy h2 em{font-size:1em;color:#9f4734}.contact-copy>p:not(.eyebrow){font-size:14px;color:#75726e;max-width:420px}.contact-copy ul{gap:18px;font-size:13px;margin-top:32px}.contact-copy li b{color:#827e7a}.contact-copy li>a{color:#383735;font-size:26px}.contact-form{padding:30px 34px;border:1px solid #e5e0d7;border-radius:5px}.form-heading h3{font-size:22px}.form-heading p{color:#7c7873;font-size:12px}.field label{font-size:12px;color:#686561}.field input,.field textarea{font-size:13px;background:#fff;border-color:#d9d8d7;border-radius:3px}.field input:focus,.field textarea:focus{box-shadow:0 0 0 3px #b8442c0a}.field input::placeholder,.field textarea::placeholder{color:#95918d}.form-privacy{font-size:11px;color:#8c8883}
.footer{background:#2b2a29;color:#b9b6b4;padding:45px 0 18px}.footer-lead{padding-bottom:26px;margin-bottom:29px}.footer-wordmark{font-size:28px;letter-spacing:.07em;font-weight:550}.footer-wordmark span{font-size:12px;color:#b4b2af}.footer-lead>p{font-size:18px}.footer-lead small{font-size:9px;color:#898480}.footer-grid{gap:60px}.footer-grid h3{font-size:14px;color:#e5e4e4}.footer-grid p,.footer-links a{font-size:12px;color:#a3a09d}.footer-phone{font-size:25px;color:#f2ede5}.footer-bottom{font-size:10px}.quote-dock{border:1px solid #e5ddd2;box-shadow:0 5px 25px #44382912;border-radius:5px}.dock-phone{font-size:12px;color:#676461}
.page-head{background:#f4f4f4;padding:28px 0 34px}.page-head h1{font-size:38px;margin-bottom:14px}.page-head .lead{font-size:14px;color:#77736f}.crumbs{font-size:11px;padding:19px 0}.catalog-layout{display:block}.filter-bar{position:static;display:grid;grid-template-columns:160px minmax(0,1fr) 120px;gap:12px 16px;padding:25px 28px;background:#fff;border:1px solid var(--line);border-radius:5px}.filter-heading{margin:0;font-size:15px}.filter-heading a{font-size:11px}.filter-search{font-size:13px;border-radius:3px}.filter-bar>button{margin:0;width:auto}.filter-chips{grid-column:1/-1;display:flex;gap:7px 10px;padding-top:12px;margin:0;border-top:1px solid #efeeed;align-items:center}.filter-label{width:52px;margin:0;display:inline-block;font-size:12px;flex-shrink:0}.chip{font-size:12px;padding:5px 11px;border-radius:3px;color:#736f6b;border-color:transparent;background:#f6f5f5}.chip.is-active{background:#f9eee6;border-color:#e6c6b4;color:#9d462f}.catalog-results{margin-top:31px}.results-heading{font-size:14px;margin-bottom:23px}.results-heading span{font-size:12px}.products-page{padding-top:28px}.page-head+.products-page{background:#fafaf9}.pager-num.is-current{background:var(--accent)}
.pd-grid{gap:28px 55px}.pd-gallery{border:1px solid var(--line);border-radius:5px}.pd-intro h1{font-size:39px}.pd-brand{font-size:14px;color:#7d7975}.pd-intro .lead{font-size:14px;color:#73706c}.pd-params{background:#f3f2f2;border-color:#dedddc;border-radius:5px}.pd-params dl dt{font-size:12px;color:#827e7a}.pd-params dl dd{font-size:14px;color:#3e3c39}.pd-note{font-size:11px;color:#87827e}.spec-table th{font-size:13px;background:#ebebea}.spec-table td{font-size:14px}.pd-section p,.pd-panel p{font-size:14px;line-height:2}.article-head h1{font-size:32px}.article-body{color:#65625e}.news-card h3{font-size:20px}.news-card p{font-size:13px;color:#837f7b}
@media(min-width:1800px){.supply-hero-grid{min-height:570px}.supply-copy h1{font-size:64px}.supply-description{font-size:16px}.supply-visual img{width:calc(100% + 90px)}}
@media(max-width:1200px){.shell{width:calc(100% - 64px)}.nav-links{gap:24px}.supply-hero-grid{min-height:450px;grid-template-columns:1.05fr 1fr;gap:15px}.supply-copy h1{font-size:42px}.supply-visual img{width:calc(100% + 40px)}.supply-visual figcaption{left:0}.supply-visual small{display:none}.material-path-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.material-path{padding:20px}.path-top{margin-bottom:16px}.company-intro-grid{gap:55px}.contact-inner{gap:45px}.supplier-brands{grid-template-columns:repeat(3,minmax(0,1fr))}.updates-layout{gap:45px}.quick-finder{grid-template-columns:220px 1fr;gap:13px 20px}.contact-copy h2{font-size:31px}}
@media(max-width:900px){.nav-inner{height:74px}.nav-links{display:none}.supply-hero-grid{grid-template-columns:1fr 1fr;min-height:420px}.supply-copy{padding:38px 0}.supply-copy h1{font-size:35px}.supply-copy .eyebrow{font-size:10px;margin-bottom:21px}.supply-description{font-size:12px}.supply-copy .hero-cta{gap:9px}.supply-copy .btn{min-height:43px;font-size:11px;padding:10px 14px;gap:15px}.supply-copy .btn-primary{min-width:115px}.supply-tags{margin-top:27px;font-size:10px}.supply-tags span+span{margin-left:12px;padding-left:12px}.supply-visual img{width:calc(100% + 30px)}.supply-visual figcaption{font-size:10px}.section{padding:55px 0}.section-heading h2{font-size:27px}.quick-finder{grid-template-columns:1fr;gap:17px;padding:25px 0}.finder-title{grid-row:auto}.finder-title h2{font-size:17px}.finder-title p{display:none}.finder-symbol{font-size:28px}.quick-keywords{gap:20px}.company-intro-grid{grid-template-columns:1fr;gap:25px}.company-intro h2,.updates-layout h2{font-size:30px}.company-intro h2 br{display:none}.company-intro .text-link{margin-top:15px}.updates-layout{grid-template-columns:1fr;gap:25px}.updates-layout h2 br{display:none}.updates-layout .text-link{margin-top:10px}.contact-inner{grid-template-columns:1fr;gap:35px}.contact-copy>p:not(.eyebrow){max-width:100%}.contact-copy h2 br{display:none}.contact-copy h2{font-size:28px}.contact-copy ul{margin-top:24px;gap:12px}.contact-form{padding:28px}.filter-bar{grid-template-columns:1fr 110px;padding:22px}.filter-heading{grid-column:1/-1}.products-grid{gap:18px}.card-body{padding:20px 20px 0}.footer-grid{gap:35px}.pd-grid{gap:25px}.pd-intro h1{font-size:33px}}
@media(max-width:600px){.shell{width:calc(100% - 40px)}.utility-bar{font-size:9px}.utility-bar>.shell{padding-top:6px;padding-bottom:6px}.utility-bar>.shell>span{display:none}.utility-bar>.shell>a{margin-left:auto}.nav-inner{height:70px;gap:12px}.brand-mark{width:36px;height:36px;font-size:16px}.brand-text{font-size:20px}.brand-text small{font-size:6px}.nav-actions>.btn{font-size:10px;min-height:35px;padding:7px 10px}.nav-toggle{width:28px}.supply-hero-grid{display:flex;flex-direction:column;gap:0;min-height:0}.supply-copy{padding:33px 0 0;width:100%}.supply-copy .eyebrow{font-size:10px;margin-bottom:17px}.supply-copy h1{font-size:38px}.supply-description{font-size:12px;line-height:1.9;margin-top:17px}.supply-copy .hero-cta{margin-top:23px;gap:12px}.supply-copy .btn{font-size:12px;padding:10px 18px;gap:20px}.supply-tags{margin-top:22px}.supply-visual{width:100%;height:240px;align-self:auto;margin-top:5px;overflow:hidden}.supply-visual img{width:100%;height:auto;transform:none;object-fit:cover}.supply-visual figcaption{bottom:12px;left:0;right:0;padding-top:9px;font-size:9px}.supply-visual small{display:block;font-size:7px}.quick-finder{padding:23px 0;gap:13px}.quick-finder input{font-size:12px;padding:10px}.quick-finder .btn{font-size:11px;padding:9px 12px;gap:8px;min-height:40px}.finder-title h2{font-size:17px}.quick-keywords{font-size:10px;gap:18px}.section{padding:43px 0}.section-heading{gap:18px;margin-bottom:24px}.section-heading h2{font-size:24px}.eyebrow{font-size:8px;margin-bottom:9px}.section-link{font-size:11px;gap:10px;white-space:nowrap}.material-path-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:11px}.material-path{padding:15px}.path-top{margin-bottom:18px}.material-path>strong{font-size:18px}.material-path h3{font-size:15px;margin-top:9px}.material-path p{font-size:10px;margin-top:7px}.products-grid{grid-template-columns:1fr;gap:17px}.card-media{aspect-ratio:2}.card-body{padding:21px 23px 0}.card-body h3{font-size:25px}.card-body>p{font-size:13px}.catalog-end{display:block;font-size:11px;padding-top:22px}.catalog-end a{display:block;margin-top:9px}.brand-directory .section-heading{display:block}.brand-directory .section-heading h2{font-size:24px}.heading-note{font-size:11px;margin-top:12px}.supplier-brands{grid-template-columns:repeat(2,minmax(0,1fr))}.supplier-brands a{font-size:14px;padding:21px 15px}.company-intro h2,.updates-layout h2{font-size:27px}.company-intro h2 br{display:block}.company-intro-body>h3{font-size:17px}.company-intro-body>p{font-size:13px}.company-services{gap:15px;margin-top:25px}.company-services h4{font-size:13px}.company-services p{font-size:11px}.update-row{gap:16px;padding:21px 0;align-items:flex-start}.update-row time{font-size:9px;margin-top:6px}.update-row h3{font-size:14px}.update-row p{font-size:11px;margin-top:5px}.update-row>span{font-size:16px}.contact-inner{gap:27px}.contact-copy h2{font-size:27px}.contact-copy h2 br{display:block}.contact-copy>p:not(.eyebrow){font-size:13px;margin-top:16px}.contact-copy ul{font-size:12px;gap:13px}.contact-copy li{gap:17px}.contact-copy li>a{font-size:23px}.contact-form{padding:23px 20px}.form-heading h3{font-size:21px}.form-heading p{font-size:11px}.contact-fields{grid-template-columns:1fr;gap:0}.field input,.field textarea{font-size:13px}.contact-form>.btn{font-size:12px;padding:11px}.footer{padding:35px 0 85px}.footer-lead{gap:20px;align-items:start}.footer-wordmark{font-size:23px}.footer-lead>p{font-size:15px}.footer-grid{gap:23px}.footer-grid p{font-size:11px}.footer-grid h3{font-size:13px}.footer-links a{font-size:11px}.footer-bottom{font-size:9px}.quote-dock{border-radius:0}.page-head{padding:23px 0 30px}.page-head h1{font-size:30px}.page-head .lead{font-size:12px}.filter-bar{padding:18px 16px;gap:12px 9px;grid-template-columns:minmax(0,1fr) 70px}.filter-heading{font-size:15px}.filter-search{font-size:11px;padding:10px}.filter-bar>.btn{padding:7px 10px;font-size:12px}.filter-chips{gap:7px 5px}.filter-label{width:100%;font-size:11px}.chip{font-size:11px;padding:5px 9px}.catalog-results{margin-top:24px}.results-heading{font-size:13px}.results-heading span{font-size:10px}.pd-intro h1{font-size:32px}.pd-grid{gap:25px}.pd-intro .lead{font-size:13px}.pd-params dl dd{font-size:12px}.spec-table td{font-size:12px}.article-head h1{font-size:25px}.article-body{font-size:14px}}

/* Full-bleed panoramic home carousel. */
.home-banner{position:relative;width:100%;height:clamp(430px,32vw,720px);overflow:hidden;background:#e5e4e2;touch-action:pan-y;isolation:isolate}
.home-banner:focus-visible{outline-offset:-4px}
.banner-track{display:flex;width:100%;height:100%;transition:transform .75s cubic-bezier(.25,.65,.25,1);will-change:transform}
.banner-slide{position:relative;flex:0 0 100%;min-width:0;height:100%;overflow:hidden}
.banner-image{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;max-width:none;user-select:none;pointer-events:none}
.banner-shade{position:absolute;inset:0;background:linear-gradient(90deg,#f3f1ed45 0%,#f5f3ed12 47%,transparent 68%);pointer-events:none}
.banner-content{height:100%;position:relative;display:flex;align-items:center;padding-top:14px;padding-bottom:56px}
.banner-copy{max-width:660px;width:52%}.banner-eyebrow{display:flex;gap:16px;align-items:center;font-size:13px;font-weight:500;letter-spacing:.06em;color:#65605b;margin-bottom:23px}.banner-eyebrow>span{color:#af8f7f;font-size:10px}
.banner-copy h1,.banner-copy h2{font-size:clamp(37px,3.75vw,65px);font-weight:650;line-height:1.38;letter-spacing:-.045em;color:#272727;text-shadow:0 1px 15px #f9f5eb30}
.banner-description{color:#66615c;font-size:15px;line-height:1.9;margin-top:23px}.banner-actions{display:flex;align-items:center;gap:30px;margin-top:31px}.banner-actions .btn{min-width:156px;min-height:49px;border-radius:2px;font-size:14px}.banner-contact{display:inline-flex;align-items:center;gap:22px;font-size:13px;font-weight:600;color:#403a36;padding:12px 0}.banner-contact:hover{color:var(--accent)}
.banner-arrow{display:none;position:absolute;z-index:2;top:50%;transform:translateY(-50%);width:38px;height:65px;background:#ffffff40;border:1px solid #ffffff55;border-radius:2px;color:#615d58;line-height:1;align-items:center;justify-content:center;transition:background .2s,color .2s}.banner-arrow span{font:300 37px/1 Arial,sans-serif}.banner-arrow:hover{background:#ffffffbf;color:var(--accent)}.banner-prev{left:14px}.banner-next{right:14px}
.banner-bottom{position:absolute;left:0;right:0;bottom:26px;display:flex;justify-content:space-between;align-items:center;pointer-events:none}.banner-controls{display:none;align-items:center;gap:24px;pointer-events:auto}.banner-dots{display:flex;gap:3px;align-items:center}.banner-dot{width:28px;height:32px;display:grid;place-items:center;padding:0;border:0;background:transparent}.banner-dot span{display:block;width:7px;height:7px;border-radius:50%;background:#999188;transition:width .25s,background .25s}.banner-dot[aria-current="true"] span{width:24px;background:var(--accent);border-radius:8px}.banner-count{font-size:10px;color:#81796f;letter-spacing:.08em}.banner-count b{font-size:13px;color:#51463e;font-weight:600}.banner-play{border:1px solid #a99c8c70;border-radius:50%;background:transparent;width:29px;height:29px;display:grid;place-items:center;color:#7b6d60;font-size:12px}.banner-play:hover{background:#ffffff60}.banner-signature{font-size:9px;letter-spacing:.16em;color:#70695f}.home-banner.is-ready .banner-arrow,.home-banner.is-ready .banner-controls{display:flex}
@media(min-width:1800px){.banner-copy{width:52%;max-width:700px}.banner-copy h1,.banner-copy h2{font-size:64px}.banner-eyebrow{font-size:15px}.banner-description{font-size:17px}.banner-actions{margin-top:38px}.banner-actions .btn{min-height:53px;font-size:15px;padding:12px 30px}.banner-arrow{width:45px;height:76px}.banner-prev{left:30px}.banner-next{right:30px}.banner-bottom{bottom:35px}}
@media(max-width:1200px){.banner-content{width:calc(100% - 112px)}.banner-copy{width:60%}.banner-copy h1,.banner-copy h2{font-size:42px}.banner-description{font-size:13px}.banner-actions{gap:22px}.banner-actions .btn{min-width:140px;font-size:13px}.banner-contact{font-size:12px;gap:13px}.banner-prev{left:10px}.banner-next{right:10px}.banner-arrow{width:30px;height:56px}.banner-bottom{width:calc(100% - 112px)}}
@media(max-width:900px){.home-banner{height:430px}.banner-copy{width:67%}.banner-copy h1,.banner-copy h2{font-size:36px}.banner-eyebrow{font-size:11px;gap:12px;margin-bottom:18px}.banner-description{font-size:12px;margin-top:19px}.banner-actions{margin-top:25px;gap:18px}.banner-actions .btn{font-size:12px;min-width:122px;min-height:44px;padding:9px 17px}.banner-contact{font-size:11px}.banner-shade{background:linear-gradient(90deg,#f3f1eded 0%,#f5f3ed99 35%,#f5f3ed00 78%)}.banner-image{object-position:62% center}}
@media(max-width:600px){.home-banner{height:520px}.banner-image{object-position:71% center}.banner-shade{background:linear-gradient(180deg,#f3f1edec 0%,#f3f1ede6 22%,#f3f1ed75 44%,#f3f1ed00 63%,#ebe6df70 100%)}.banner-content{width:calc(100% - 44px);align-items:flex-start;padding-top:35px;padding-bottom:60px}.banner-copy{width:100%;max-width:none}.banner-copy h1,.banner-copy h2{font-size:33px;line-height:1.37;letter-spacing:-.04em}.banner-eyebrow{font-size:10px;gap:12px;margin-bottom:17px}.banner-description{font-size:12px;line-height:1.8;margin-top:16px}.banner-actions{margin-top:22px;gap:21px}.banner-actions .btn{min-height:42px;font-size:12px;padding:10px 17px;min-width:130px}.banner-contact{font-size:11px;gap:12px}.banner-arrow{width:29px;height:44px;top:auto;bottom:67px;transform:none;background:#ffffff99}.banner-arrow span{font-size:28px}.banner-prev{left:12px}.banner-next{right:12px}.banner-bottom{width:calc(100% - 44px);bottom:17px}.banner-controls{gap:17px}.banner-signature{font-size:7px;letter-spacing:.09em}.banner-count{font-size:9px}.banner-play{width:27px;height:27px}}
@media(prefers-reduced-motion:reduce){.banner-track,.banner-dot span{transition:none}}

/* Contact method uses distinct phone/WeChat rules. */
.contact-entry{display:flex;gap:8px;min-width:0}.contact-entry select{width:91px;flex-shrink:0;border:1px solid #dbd8d3;border-radius:3px;background:#faf8f5;color:#635b54;padding:9px 7px;font:inherit;font-size:12px}.contact-entry input{flex:1;min-width:0;width:0}.contact-hint{font-size:10px;line-height:1.6;color:#8b8177;font-weight:400}.field.has-error .contact-hint{color:#b12d35}.contact-entry select:focus-visible{outline:2px solid #b8442c;outline-offset:2px}
@media(max-width:600px){.contact-entry select{width:90px;font-size:12px}.contact-hint{font-size:11px}}
.contact-fields{align-items:start}

/* Product selection: readable specifications before large decorative images. */
.section-description{font-size:14px;color:#80766c;margin-top:12px}.catalog-total{background:#ece8e3;border-radius:3px;padding:2px 8px;font-size:12px;font-variant-numeric:tabular-nums}.featured-toolbar{display:flex;align-items:center;justify-content:space-between;gap:25px;border-bottom:1px solid #ddd7cf;margin-bottom:27px}.featured-tabs{display:flex;gap:27px;overflow:auto;min-width:0;scrollbar-width:thin}.featured-tab{display:none;flex-shrink:0;padding:12px 0 17px;border:0;border-bottom:2px solid transparent;background:transparent;color:#82786c;font-size:13px}.js .featured-tab{display:block}.featured-tab:hover,.featured-tab.is-active{color:var(--accent)}.featured-tab.is-active{border-bottom-color:var(--accent);font-weight:600}.featured-note{font-size:11px;color:#978a7a;white-space:nowrap}.featured-status:not(.sr-only){padding:15px;margin-bottom:15px;background:#fff0e5;color:#99553b;font-size:13px}.featured-grid[aria-busy="true"]{opacity:.5;pointer-events:none}
.catalog-card{background:white;border:1px solid #e4ded5;border-radius:5px}.catalog-card:hover{transform:translateY(-3px);border-color:#c39177;box-shadow:0 9px 24px #3c281008}.catalog-card .card-body{padding:25px 25px 0}.product-identity{display:flex;gap:19px;align-items:center;min-width:0}.catalog-card .card-media{width:104px;height:91px;aspect-ratio:auto;flex-shrink:0;border:1px solid #e6e2dc;border-radius:4px;background:#efeeeb}.catalog-card .card-media img{object-fit:cover;mix-blend-mode:multiply}.identity-copy{flex:1;min-width:0}.catalog-card .product-top{margin:0 0 10px}.catalog-card .grade{font-size:10px;padding:3px 6px;letter-spacing:.06em}.catalog-card h3{font-size:24px;line-height:1.3;overflow-wrap:anywhere}.catalog-card .brand-name{font-size:11px;margin-top:7px;color:#7c7269;line-height:1.65;overflow-wrap:anywhere}.catalog-card .card-arrow{font-size:15px}.catalog-card .product-description{font-size:12px;color:#7c746a;line-height:1.85;margin:20px 0 12px;min-height:44px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.catalog-card .specs{gap:6px;min-height:25px}.catalog-card .specs>span{font-size:10px;padding:3px 7px;background:#f5f3ef;color:#88796a}.card-parameters{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:20px 0 16px;padding:18px 0;border-top:1px solid #eee9e2;border-bottom:1px solid #eee9e2}.card-parameters>div{min-width:0}.card-parameters dt{font-size:10px;color:#a29383;line-height:1.65}.card-parameters dd{margin:7px 0 0;font-size:13px;font-weight:550;color:#4f453a;line-height:1.6;overflow-wrap:anywhere}.catalog-card .card-applications{display:flex;gap:10px;font-size:11px;color:#797165;line-height:1.8;margin:0 0 18px;min-height:20px}.card-applications>span{color:#a09280;white-space:nowrap}.catalog-card .card-parameter-empty{font-size:12px;color:#988b7b;min-height:85px;border-top:1px solid #eee9e2;padding-top:21px;margin:17px 0}.catalog-card .card-bottom{margin-top:auto;border-top:1px solid #eee9e2;padding:15px 0;gap:15px}.catalog-card .card-more{font-size:11px;color:#8b7e6d}.catalog-card .card-quote{display:inline-flex;gap:12px;align-items:center;font-size:12px;border:1px solid #e4cbbc;padding:6px 12px;border-radius:3px;background:#fff9f4}.catalog-card .card-quote span{margin-left:0}.catalog-card .card-quote:hover{background:#b8442c;border-color:#b8442c;color:white;text-decoration:none}
.results-heading{padding:0 0 19px;margin-bottom:25px;border-bottom:1px solid #e6e0d7;gap:20px}.results-heading>div:first-child{display:flex;gap:20px;align-items:center}.results-heading b{font-size:15px;font-weight:500}.result-total{font-size:21px;color:var(--accent);font-weight:600;margin:0 5px}.results-heading>div>span{font-size:12px;color:#958775}.result-page-controls{display:flex;align-items:center;gap:13px;white-space:nowrap}.result-page-controls>a,.result-page-controls>span:not(.page-position){display:grid;place-items:center;width:30px;height:30px;border:1px solid #dfd7ce;background:white;color:#746556;border-radius:3px}.result-page-controls>a:hover{border-color:var(--accent);color:var(--accent)}.result-page-controls>span[aria-disabled]{opacity:.4}.page-position{font-size:12px;font-variant-numeric:tabular-nums}.catalog-pagination{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:18px 27px;margin-top:33px;padding:25px 0 0;border-top:1px solid #ddd5ca}.catalog-pagination .pager{margin:0;gap:7px;padding:0;flex-wrap:wrap;justify-content:center}.pager-meta{font-size:12px;color:#8d7d69}.page-jump{display:flex;align-items:center;gap:8px;font-size:12px;color:#867562}.page-jump input{width:62px;min-width:0;padding:7px 5px;border:1px solid #d9cfc1;border-radius:3px;text-align:center;background:white;font-size:12px}.page-jump button{padding:7px 13px;background:white;border:1px solid #d9cfc1;color:#6f5d48;border-radius:3px;font-size:12px}.page-jump button:hover{border-color:var(--accent);color:var(--accent)}
.facet-more{position:relative;margin-left:auto;font-size:12px;color:#8c725b;z-index:7}.facet-more summary{cursor:pointer;padding:5px 8px;white-space:nowrap}.facet-panel{position:absolute;right:0;top:calc(100% + 8px);width:365px;max-width:calc(100vw - 64px);padding:17px;background:white;border:1px solid #dfd2c2;border-radius:5px;box-shadow:0 12px 35px #35261520}.facet-panel input{width:100%;padding:10px 12px;font-size:12px;border:1px solid #dfd2c2;border-radius:3px;background:#fdfbf7}.facet-options{display:flex;flex-wrap:wrap;gap:7px;margin-top:13px;max-height:230px;overflow-y:auto}.facet-options:empty{margin:0}.facet-note{font-size:11px;color:#98816a;margin-top:13px;line-height:1.8}
@media(max-width:1200px){.catalog-card .card-body{padding:20px 20px 0}.product-identity{gap:13px}.catalog-card .card-media{width:81px;height:78px}.catalog-card h3{font-size:21px}.card-parameters{gap:8px}.card-parameters dd{font-size:12px}.featured-tabs{gap:23px}.featured-note{display:none}}
@media(max-width:900px){.featured-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-card .card-body{padding:20px 20px 0}.catalog-card .card-media{width:86px;height:79px}.catalog-card h3{font-size:21px}.section-description{font-size:12px}.results-heading>div:first-child{display:block}.results-heading>div:first-child>span{display:block;margin-top:5px;font-size:11px}.catalog-pagination{gap:16px}.catalog-pagination .pager{width:100%}}
@media(max-width:600px){.selected-materials .section-heading{align-items:flex-start;gap:12px}.selected-materials .section-link{gap:6px;font-size:10px;white-space:nowrap}.selected-materials .section-heading h2{font-size:24px}.section-description{font-size:11px;line-height:1.8;max-width:240px;margin-top:10px}.catalog-total{font-size:10px;padding:2px 5px}.featured-toolbar{margin-bottom:20px;gap:0}.featured-tabs{gap:23px}.featured-tab{font-size:12px;padding:8px 0 12px}.featured-grid{grid-template-columns:1fr}.catalog-card .card-body{padding:22px 22px 0}.catalog-card .card-media{width:91px;height:83px}.catalog-card h3{font-size:23px}.product-identity{gap:17px}.catalog-card .product-description{font-size:12px;margin-top:17px}.card-parameters{margin-top:16px;padding:16px 0;gap:12px}.card-parameters dd{font-size:12px}.catalog-card .card-applications{font-size:11px}.catalog-card .card-bottom{padding:13px 0}.catalog-card .card-quote{font-size:12px}.catalog-pagination .pager{gap:5px}.catalog-pagination .pager-num{padding:7px 10px;min-width:31px}.catalog-pagination .pager-link{font-size:11px;padding:7px 10px}.catalog-pagination{gap:14px;margin-top:25px}.pager-meta,.page-jump{font-size:11px}.result-total{font-size:19px}.results-heading b{font-size:13px}.result-page-controls{gap:7px}.result-page-controls>a,.result-page-controls>span:not(.page-position){width:25px;height:28px}.facet-more{font-size:11px}.facet-panel{width:290px;max-width:calc(100vw - 76px)}.facet-options{max-height:200px}}
/* Text-only material records retain a balanced layout without a gallery. */
.pd-grid.pd-grid-text{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}.pd-grid-text .pd-intro{padding-right:30px}.pd-grid-text h1{overflow-wrap:anywhere}.pd-params dd{overflow-wrap:anywhere}.catalog-card .specs>span{max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.catalog-card .card-applications{overflow-wrap:anywhere}@media(max-width:900px){.pd-grid.pd-grid-text{grid-template-columns:1fr}.pd-grid-text .pd-intro{padding-right:0}}
.pd-grid-text .pd-params{grid-column:auto;display:block;padding:28px;border:1px solid #e5e0da}.pd-grid-text .parameter-title{margin-bottom:25px}.pd-grid-text .pd-params dl{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px 25px}.pd-grid-text .pd-note{margin-top:20px}.pd-grid-text .pd-intro{padding-top:12px}@media(max-width:900px){.pd-grid-text .pd-params{padding:24px;margin:0}.pd-grid-text .pd-intro{padding-top:0}}@media(max-width:600px){.pd-grid-text .pd-params{padding:21px}.pd-grid-text .pd-params dl{gap:18px}}
/* Material directory and technical product presentation. */
:root{--material-ink:#25313f;--material-paper:#f7f8fa}
.material-directory{background:var(--material-paper);border-top:1px solid #e5e8ec;border-bottom:1px solid #e5e8ec}
.material-family-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.material-family{display:flex;flex-direction:column;min-height:215px;padding:25px 27px;background:white;border:1px solid #e5e8ec;transition:background .18s,color .18s,transform .18s}
.family-count{display:flex;justify-content:space-between;align-items:center;font-size:12px;color:#65707c;gap:12px}.family-count b{font-size:18px;font-weight:400}
.material-family strong{font-size:37px;line-height:1.2;letter-spacing:-.04em;color:var(--material-ink);margin-top:22px;overflow-wrap:anywhere}
.family-name{font-size:13px;margin:7px 0 20px;color:#65707c}.family-action{font-size:11px;border-top:1px solid #e5e8ec;padding-top:13px;margin-top:auto;color:#65707c}
.material-family:hover{background:#25313f;color:white;transform:translateY(-3px)}.material-family:hover strong,.material-family:hover .family-count,.material-family:hover .family-name,.material-family:hover .family-action{color:#e5e8ec}.material-family:hover .family-action{border-color:#ffffff26}
.directory-intro{background:#25313f;color:white;padding:66px 0 62px}.directory-intro .eyebrow{color:#cbd1d8}.directory-intro h1{font-size:clamp(29px,4vw,48px);letter-spacing:-.04em;color:white;margin:16px 0}.directory-intro p:last-child{color:#e5e8ec;font-size:15px;line-height:1.9}
.material-guide{display:flex;align-items:center;gap:26px;padding-top:26px;padding-bottom:26px;border-bottom:1px solid #e5e8ec}.material-guide>span{font-size:12px;font-weight:700;color:var(--material-ink);white-space:nowrap}.material-guide p{font-size:13px;line-height:1.9;color:#65707c;flex:1}.material-guide a{white-space:nowrap;font-size:12px}
.purchase-steps{background:white}.purchase-step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:36px}.purchase-step-grid article{border-top:1px solid #cbd1d8;padding:27px 0 0}.purchase-step-grid article>span{color:#65707c;font-size:12px;letter-spacing:.1em}.purchase-step-grid h3{font-size:21px;margin:15px 0 12px;color:var(--material-ink)}.purchase-step-grid p{font-size:13px;line-height:1.9;color:#65707c;max-width:310px}
.selected-materials{background:#fff}.selected-materials .section-heading h2{color:var(--material-ink)}.catalog-card{border-color:#e5e8ec;border-radius:9px;box-shadow:none;overflow:hidden}.catalog-card:hover{border-color:#7b8490;box-shadow:0 10px 30px #25313f0b}.catalog-card .product-top{margin-bottom:13px}.catalog-card .grade{background:#e5e8ec;color:#343f4d;border-color:#e5e8ec;letter-spacing:.06em}.catalog-card h3{color:#25313f;letter-spacing:-.04em}.catalog-card .brand-name{font-size:13px}.catalog-card .product-description{color:#65707c;line-height:1.85}.catalog-card .card-parameters{background:#f7f8fa;margin-left:-24px;margin-right:-24px;padding:16px 24px;border-color:#e5e8ec}.catalog-card .card-parameters dd{color:#25313f}.card-document{display:flex;align-items:center;gap:7px;font-size:11px;color:#65707c;padding:12px 0}.card-document b{margin-left:auto;font-weight:400}.catalog-card .card-bottom{border-color:#e5e8ec}.catalog-card .card-quote{background:#b84228;color:white;padding:8px 11px;border-radius:3px}.catalog-card .card-quote:hover{background:#92351f;color:white}.catalog-card .card-quote span{margin-left:10px}
.product-dossier-bar{background:#25313f;color:#e5e8ec;padding:17px 0}.product-dossier-bar .shell{display:flex;justify-content:space-between;align-items:center;gap:18px;font-size:11px;letter-spacing:.06em}.product-dossier-bar b{color:#7b8490;margin:0 12px}.product-dossier-bar a{color:#e5e8ec;letter-spacing:0}
.pd-head{background:linear-gradient(120deg,#f7f8fa,#fff 65%);padding:55px 0 50px}.pd-grid-text h1{font-size:clamp(30px,3.6vw,49px);letter-spacing:-.045em;color:#25313f}.pd-grid-text .pd-brand{font-size:16px;color:#65707c}.pd-grid-text .pd-params{background:#fff;border:1px solid #e5e8ec;border-top:4px solid #65707c;border-radius:5px}.pd-grid-text .pd-intro>.lead{font-size:14px;line-height:1.95}.pd-grid-text .pd-keywords{display:none}.pd-grid-text .pd-note{color:#65707c}.product-section-nav{display:flex;align-items:center;gap:32px;min-height:67px;border-bottom:1px solid #e5e8ec;font-size:13px;overflow-x:auto;white-space:nowrap}.product-section-nav>a{padding:20px 0;color:#343f4d}.product-section-nav>a:last-child{margin-left:auto;color:#b84228;font-weight:600}.product-section-nav span{background:#e5e8ec;padding:3px 6px;font-size:10px;margin-left:5px;border-radius:3px}#product-specifications,#product-application,#product-overview{scroll-margin-top:105px}.spec-table thead th{background:#25313f;color:#e5e8ec;font-weight:500}.spec-table tbody tr:nth-child(even){background:#f7f8fa}.spec-table tbody td{border-color:#e5e8ec}.section-tint:has(.spec-table){background:#f7f8fa}.pd-cols h2{color:#25313f}
@media(max-width:1000px){.material-family-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.material-guide{flex-wrap:wrap;gap:12px}.material-guide p{flex-basis:70%}.nav-links{gap:20px}.purchase-step-grid{gap:22px}}
@media(max-width:600px){.material-family-grid{gap:10px}.material-family{padding:18px 16px;min-height:193px}.material-family strong{font-size:29px}.family-count{font-size:10px}.family-name{font-size:11px}.family-action{font-size:10px}.purchase-step-grid{grid-template-columns:1fr;gap:23px}.purchase-step-grid article{padding-top:18px}.purchase-step-grid h3{font-size:20px;margin-top:10px}.purchase-step-grid p{max-width:none}.material-guide{display:block;padding-top:20px;padding-bottom:20px}.material-guide p{margin:10px 0}.directory-intro{padding:38px 0}.product-dossier-bar .shell{font-size:9px}.product-dossier-bar b{margin:0 5px}.product-dossier-bar a{font-size:10px}.product-section-nav{gap:22px;font-size:12px;min-height:58px}.product-section-nav>a:last-child{margin-left:0}.pd-head{padding:32px 0}.catalog-card .card-parameters{margin-left:-22px;margin-right:-22px;padding-left:22px;padding-right:22px}}
@media(prefers-reduced-motion:reduce){.material-family{transition:none}.material-family:hover{transform:none}}
/* Product cards share content tracks per visual row, including parameter labels and values. */
.catalog-card{--card-inset:24px;border-radius:7px;transition:border-color .2s,box-shadow .2s}
.catalog-card:hover{transform:none}
.catalog-card .card-body{padding:0;gap:0}
.catalog-card .card-heading{padding:23px var(--card-inset) 19px;min-width:0}
.catalog-card .product-identity{align-items:flex-start}
.catalog-card .product-description{margin:15px 0 0;min-height:0;font-size:12px;line-height:1.85}
.catalog-card .specs{margin-top:13px;min-height:0;flex-wrap:nowrap;overflow:hidden}
.catalog-card .specs>span{flex-shrink:1;min-width:0;line-height:1.6}
.catalog-card .card-parameters{margin:0;padding:16px var(--card-inset);background:#f7f8fa;border-top:1px solid #e5e8ec;border-bottom:1px solid #e5e8ec;column-gap:14px;row-gap:8px;grid-template-rows:auto auto;align-content:start}
.catalog-card .card-parameters>div{display:grid;grid-row:1 / span 2;grid-template-rows:subgrid;min-width:0;align-items:start}
.catalog-card .card-parameters dt{font-size:10px;line-height:1.7;color:#65707c;overflow-wrap:anywhere}
.catalog-card .card-parameters dd{margin:0;font-size:13px;line-height:1.65;color:#25313f;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}
.catalog-card .card-parameters .card-parameter-note{grid-column:1 / -1}
.catalog-card .card-parameter-note dd{font-weight:400;color:#65707c;font-size:12px}
.catalog-card .card-support{padding:12px var(--card-inset);min-width:0;display:flex;flex-direction:column;justify-content:flex-end;gap:9px}
.catalog-card .card-support:empty{padding-top:0;padding-bottom:0}
.catalog-card .card-applications{margin:0;min-height:0;font-size:11px;line-height:1.8;align-items:flex-start;gap:9px}
.catalog-card .card-applications>.application-text{white-space:normal;color:#65707c;overflow-wrap:anywhere;min-width:0}
.catalog-card .card-document{padding:0;font-size:11px;line-height:1.8;gap:7px}
.catalog-card .card-document b{font-size:11px}
.catalog-card .card-bottom{margin:0 var(--card-inset);padding:14px 0;min-height:64px;gap:12px;border-top:1px solid #e5e8ec;align-self:stretch}
.catalog-card .card-quote{white-space:nowrap;flex-shrink:0;font-size:12px;line-height:1.6;padding:8px 11px}
.catalog-card .card-more{line-height:1.6}
@supports(grid-template-rows:subgrid){
 .products-grid>.catalog-card{display:grid;grid-row:span 5;grid-template-rows:subgrid;row-gap:0}
 .products-grid>.catalog-card>.card-body{display:contents}
 .products-grid>.catalog-card .card-parameters{grid-row:span 2;grid-template-rows:subgrid;row-gap:8px}
}
@supports not (grid-template-rows:subgrid){
 .catalog-card .card-heading{min-height:205px}
 .catalog-card .card-support{flex:1}
 .catalog-card .card-parameters>div{display:block}
 .catalog-card .card-parameters dt{min-height:3.4em;margin-bottom:8px}
}
@media(max-width:1200px){.catalog-card{--card-inset:20px}.catalog-card .card-parameters{column-gap:10px}.catalog-card .card-parameters dd{font-size:12px}}
@media(max-width:600px){.catalog-card{--card-inset:21px}.catalog-card .card-heading{padding-top:21px;padding-bottom:18px}.catalog-card .product-description{margin-top:14px}.catalog-card .card-parameters{padding:15px var(--card-inset)}.catalog-card .card-bottom{min-height:62px}.catalog-card .card-support{padding-top:12px;padding-bottom:12px}}
.pd-thumbnails{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.pd-thumbnails button{width:64px;height:58px;padding:3px;border:1px solid #e5e8ec;border-radius:5px;background:#fff;cursor:pointer}.pd-thumbnails button[aria-pressed="true"]{border:2px solid #b74428}.pd-thumbnails img{width:100%;height:100%;object-fit:contain}

.product-rich-content{max-width:1000px;margin:26px auto 0;line-height:1.9;overflow-wrap:anywhere}.product-rich-content p{margin:0 0 18px}.product-rich-content img{max-width:100%;height:auto}.product-rich-content ul,.product-rich-content ol{padding-left:24px;list-style:revert}.product-rich-content li{list-style:revert}.product-rich-content table{display:block;max-width:100%;overflow:auto;border-collapse:collapse;margin:20px 0}.product-rich-content td,.product-rich-content th{border:1px solid #deded8;padding:10px 14px}.product-rich-content h2,.product-rich-content h3{margin:24px 0 14px}.product-rich-content a{color:#b7432b}

/* Product photography retains its complete frame, including tall packaging photos. */
.pd-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}.pd-grid>*,.pd-intro{min-width:0}.pd-intro h1,.pd-intro .lead{overflow-wrap:anywhere}.pd-image-open{display:block;width:100%;position:relative;padding:0;border:0;background:#f7f8fa;cursor:zoom-in}.pd-image-open .pd-photo{display:block;width:100%;height:530px;max-height:65vh;aspect-ratio:auto;object-fit:contain;mix-blend-mode:normal;padding:12px;box-sizing:border-box}.pd-image-open>span{position:absolute;bottom:12px;right:12px;padding:5px 9px;background:#fffE;color:#65707c;border:1px solid #e5e8ec;font-size:11px}.product-lightbox{padding:0;border:0;border-radius:5px;width:min(1200px,96vw);max-width:96vw;max-height:94vh;background:#f7f8fa;color:#25313f}.product-lightbox::backdrop{background:#25313fcc}.product-lightbox-bar{display:flex;align-items:center;gap:18px;padding:12px 18px;background:white;border-bottom:1px solid #e5e8ec;font-size:12px}.product-lightbox-bar>span{margin-right:auto}.product-lightbox-bar button{border:0;background:transparent;cursor:pointer;color:#343f4d;font:inherit}.product-lightbox-bar [data-close]{font-size:25px}.product-lightbox-stage{height:calc(90vh - 60px);overflow:auto;text-align:center}.product-lightbox-stage img{display:block;max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;margin:0 auto;cursor:zoom-in}.product-lightbox.is-original .product-lightbox-stage img{max-width:none;max-height:none;cursor:zoom-out}.news-cover{display:block;width:100%;height:210px;object-fit:contain;background:#f7f8fa;margin-bottom:22px}.article-body>.news-cover{height:auto;max-height:650px;object-fit:contain}.article-body .product-rich-content{margin:0}.news-pagination{margin-top:36px}.news-pagination>span{font-size:12px;color:#65707c}
@media(max-width:700px){.pd-grid{grid-template-columns:minmax(0,1fr)}.pd-image-open .pd-photo{height:430px;max-height:65vh}.product-lightbox-bar{gap:12px;padding:10px;font-size:11px}.product-lightbox-bar>span{display:none}.product-lightbox-bar [data-close]{margin-left:auto}.news-cover{height:190px}}

/* Product overview: a restrained image column and a complete purchasing summary. */
.pd-overview{background:#fff;padding:38px 0 40px}.pd-overview .pd-grid{grid-template-columns:minmax(260px,.78fr) minmax(0,1.22fr);gap:48px;align-items:start}.pd-overview .pd-gallery{margin:0;background:#fff;border:1px solid #e5e8ec;border-radius:6px;overflow:hidden}.pd-overview .pd-image-open{background:#f7f8fa}.pd-overview .pd-image-open .pd-photo{height:420px;max-height:none;padding:22px;object-fit:contain}.pd-overview .pd-image-open>span{bottom:12px;right:12px;font-size:10px;padding:4px 8px;border-radius:3px;opacity:.85}.pd-overview .pd-badge{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:white;border-top:1px solid #e5e8ec;letter-spacing:0;font-size:11px;color:#65707c}.pd-overview .pd-thumbnails{padding:12px 14px;margin:0;background:#fff;border-top:1px solid #e5e8ec;gap:8px}.pd-overview .pd-thumbnails button{width:56px;height:52px;border-radius:3px}.pd-overview .pd-intro{padding:0;min-width:0}.pd-overview .pd-meta{display:flex;align-items:center;gap:14px;min-height:27px}.pd-overview .grade{font-size:10px;padding:4px 8px;color:#65707c;background:#f7f8fa;border:1px solid #e5e8ec;letter-spacing:.07em}.pd-overview .pd-brand{font-size:12px;color:#7b8490;line-height:1.5;margin:0;border-left:1px solid #e5e8ec;padding-left:14px}.pd-overview .pd-brand b{color:#343f4d;font-weight:500;margin-left:7px}.pd-overview .pd-intro h1{font-size:clamp(28px,2.7vw,40px);font-weight:650;line-height:1.2;letter-spacing:-.035em;margin:15px 0 17px;color:#25313f;overflow-wrap:anywhere}.pd-overview .pd-summary-block>.lead{font-size:13px;line-height:1.95;margin:0;color:#65707c;max-width:780px}.pd-overview .pd-specs{margin-top:14px;gap:6px}.pd-overview .pd-specs>span{background:#f7f8fa;color:#65707c;border:1px solid #e5e8ec;border-radius:3px;font-size:11px;padding:3px 8px}.pd-overview .pd-intro .pd-params{display:block;grid-column:auto;background:#f7f8fa;border:1px solid #e5e8ec;border-radius:5px;padding:17px 20px 14px;margin:22px 0 0}.pd-overview .parameter-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:0 0 6px}.pd-overview .pd-params h2{font-size:13px;font-weight:600;letter-spacing:0;color:#343f4d;margin:0}.pd-overview .parameter-title>a{font-size:11px;color:#65707c;white-space:nowrap}.pd-overview .pd-params dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 25px;margin:0}.pd-overview .pd-params dl>div{display:block;min-width:0;padding:11px 0 12px;border-bottom:1px solid #e5e8ec}.pd-overview .pd-params dt{font-size:11px;line-height:1.65;color:#7b8490;letter-spacing:0}.pd-overview .pd-params dd{font-size:13px;font-weight:600;line-height:1.7;color:#343f4d;margin:4px 0 0;overflow-wrap:anywhere}.pd-overview .pd-params .pd-note{font-size:10px;line-height:1.8;margin:10px 0 0;color:#7b8490}.pd-overview .pd-purchase{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:20px 0 0}.pd-overview .pd-purchase .btn{font-size:12px;padding:11px 23px;min-height:44px;border-radius:3px}.pd-overview .pd-purchase .btn-primary{min-width:170px;justify-content:center}.pd-overview .pd-purchase .btn-ghost{color:#65707c;border-color:#e5e8ec;background:white}.pd-overview .pd-grid.pd-grid-text{display:block}.pd-overview .pd-grid-text .pd-intro{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);column-gap:60px;padding:0;align-items:start}.pd-overview .pd-grid-text .pd-summary-block{grid-column:1;grid-row:1}.pd-overview .pd-grid-text .pd-params{grid-column:2;grid-row:1/3;margin:0}.pd-overview .pd-grid-text .pd-purchase{grid-column:1;grid-row:2;align-self:start}.pd-overview .pd-grid-text .pd-intro:not(:has(.pd-params)){display:block;max-width:900px}
@media(min-width:1800px){.pd-overview .pd-grid{grid-template-columns:minmax(300px,.7fr) minmax(0,1.3fr);gap:64px}.pd-overview .pd-image-open .pd-photo{height:440px}}
@media(max-width:1000px){.pd-overview .pd-grid{grid-template-columns:minmax(230px,.85fr) minmax(0,1.15fr);gap:28px}.pd-overview .pd-image-open .pd-photo{height:360px;padding:16px}.pd-overview .pd-intro h1{font-size:30px}.pd-overview .pd-intro .pd-params{padding:15px}.pd-overview .pd-params dl{column-gap:18px}.pd-overview .pd-grid-text .pd-intro{column-gap:30px}}
@media(max-width:760px){.pd-overview{padding:24px 0 28px}.pd-overview .pd-grid{grid-template-columns:minmax(0,1fr);gap:25px}.pd-overview .pd-gallery{max-width:520px;width:100%;justify-self:center}.pd-overview .pd-image-open .pd-photo{height:330px;max-height:55vh;padding:14px}.pd-overview .pd-badge{padding:10px 13px;font-size:10px}.pd-overview .pd-grid-text .pd-intro{display:block}.pd-overview .pd-grid-text .pd-params{margin-top:20px}.pd-overview .pd-intro h1{font-size:29px;margin:13px 0 14px}.pd-overview .pd-summary-block>.lead{font-size:12px;line-height:1.9}.pd-overview .pd-meta{gap:12px}.pd-overview .pd-brand{font-size:11px;padding-left:12px}.pd-overview .pd-specs>span{font-size:10px;padding:3px 7px}.pd-overview .pd-intro .pd-params{margin-top:18px;padding:14px 15px}.pd-overview .pd-params dd{font-size:12px}.pd-overview .pd-params dt{font-size:10px}.pd-overview .pd-purchase{gap:8px;margin-top:16px}.pd-overview .pd-purchase .btn{flex:1;font-size:12px;padding:10px 12px;min-width:0}.pd-overview .parameter-title>a{font-size:10px}}

/* Compact related grades: one shared list, under the photo on desktop. */
.pd-visual-column{min-width:0}
.pd-related-slot{padding-top:32px;padding-bottom:40px}
.pd-related-slot[hidden]{display:none}
.pd-sidebar-stack{display:grid;gap:18px;align-content:start}
.pd-contact-card{border:1px solid #e1e6ec;border-radius:10px;background:#fff;padding:0 18px 18px;min-width:0}
.pd-contact-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:20px 0 16px;border-bottom:1px solid #e5e8ec}
.pd-contact-heading h2{margin:0;font-size:18px;line-height:1.5;color:#25313f}
.pd-contact-heading>span{font-size:11px;color:#7b8490;white-space:nowrap}
.pd-contact-company{margin:16px 0 12px;font-size:13px;line-height:1.7;color:#65707c;overflow-wrap:anywhere}
.pd-contact-phone{display:grid;gap:4px;margin-bottom:18px;color:var(--accent)}
.pd-contact-phone>span{font-size:12px;color:#65707c}
.pd-contact-phone strong{font-size:24px;line-height:1.4;font-weight:650;letter-spacing:-.5px;overflow-wrap:anywhere}
.pd-contact-details{display:grid;gap:12px;margin:0 0 20px;font-size:13px;line-height:1.7}
.pd-contact-details>div{display:grid;grid-template-columns:40px minmax(0,1fr);gap:10px}
.pd-contact-details dt{color:#7b8490}.pd-contact-details dd{margin:0;color:#394653;overflow-wrap:anywhere}
.pd-contact-quote{display:flex;justify-content:space-between;width:100%;min-height:42px;padding:10px 12px;font-size:13px}
.pd-related{border:1px solid #e5e8ec;border-radius:6px;background:#fff;padding:0 18px;overflow:hidden}
.pd-related-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:17px 0 13px;border-bottom:1px solid #e5e8ec}
.pd-related-heading h2{font-size:14px;font-weight:600;line-height:1.5;color:#25313f;margin:0}
.pd-related-heading>a{font-size:11px;white-space:nowrap;color:#65707c}
.pd-related-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));column-gap:26px}
.pd-related-item{display:flex;align-items:center;gap:12px;min-width:0;padding:12px 0;border-bottom:1px solid #e5e8ec}
.pd-related-item:last-child{border-bottom:0}
.pd-related-thumb{width:52px;height:52px;flex:0 0 52px;display:flex;align-items:center;justify-content:center;border:1px solid #e5e8ec;background:#f7f8fa;border-radius:4px;overflow:hidden}
.pd-related-thumb img{width:100%;height:100%;object-fit:contain}
.pd-related-material{font-size:13px;font-weight:650;color:#65707c;overflow-wrap:anywhere;text-align:center;padding:3px}
.pd-related-copy{min-width:0;display:grid;gap:4px}
.pd-related-copy strong{font-size:13px;line-height:1.5;font-weight:600;color:#25313f;overflow-wrap:anywhere}
.pd-related-copy>span{font-size:11px;line-height:1.5;color:#7b8490}
.pd-related-arrow{margin-left:auto;flex-shrink:0;color:#7b8490;font-size:14px}
.pd-related-item:hover strong,.pd-related-item:hover .pd-related-arrow,.pd-related-heading>a:hover{color:var(--accent)}
.pd-related-item:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
@media(max-width:760px){.pd-visual-column{width:100%;max-width:520px;justify-self:center}.pd-related-slot{padding-top:24px;padding-bottom:28px}.pd-related-list{grid-template-columns:minmax(0,1fr)}.pd-related{padding:0 16px}}

/* Related grades belong in the independent left rail, never under the gallery. */
.pd-detail-layout{position:relative}
.pd-main-content{min-width:0}
@media(min-width:1100px){
 .pd-detail-layout{display:grid;grid-template-columns:220px minmax(0,1fr);column-gap:32px;padding:0 32px}
 .pd-detail-layout:has(.pd-related-slot) .pd-main-content{grid-column:2;grid-row:1}
 .pd-detail-layout:not(:has(.pd-related-slot)){display:block;padding:0}
 .pd-detail-layout:has(.pd-related-slot) .pd-main-content .shell{width:100%;max-width:1440px}
 .pd-detail-layout .pd-related-slot{grid-column:1;grid-row:1;width:calc(100% + 32px);padding:38px 0 40px;margin:0 0 0 -16px;align-self:stretch}
 .pd-detail-layout .pd-sidebar-stack{position:sticky;top:110px;max-height:calc(100dvh - 134px);overflow:auto;scrollbar-width:thin;scrollbar-gutter:stable}
 .pd-detail-layout .pd-related{padding:0 18px 10px;border-radius:10px}
 .pd-detail-layout .pd-related-heading{display:block;padding:22px 0 18px}
 .pd-detail-layout .pd-related-heading h2{font-size:18px;letter-spacing:0;color:#25313f}
 .pd-detail-layout .pd-related-heading>a{display:inline-block;margin-top:8px;font-size:13px;color:#65707c}
 .pd-detail-layout .pd-related-list{grid-template-columns:minmax(0,1fr)}
 .pd-detail-layout .pd-related-item{gap:14px;padding:22px 0;transition:background .18s}
 .pd-detail-layout .pd-related-thumb{width:56px;height:64px;flex-basis:56px;border-radius:8px;font-size:17px}
 .pd-detail-layout .pd-related-copy{gap:7px}
 .pd-detail-layout .pd-related-copy strong{font-size:16px;line-height:1.5;letter-spacing:0}
 .pd-detail-layout .pd-related-copy>span{color:#65707c;font-size:13px}
 .pd-detail-layout .pd-related-item:hover{background:#faf7f5}
 .pd-detail-layout .pd-related-item:focus-visible{outline-offset:-2px}
 .pd-detail-layout .pd-related-arrow{display:none}
 .pd-detail-layout .pd-overview .pd-grid{grid-template-columns:minmax(230px,.78fr) minmax(0,1.22fr);gap:32px}
}
@media(min-width:2040px){
 .pd-detail-layout{display:block;padding:0}
 .pd-detail-layout:has(.pd-related-slot) .pd-main-content .shell{width:calc(100% - 112px);max-width:1440px}
 .pd-detail-layout .pd-related-slot{position:absolute;top:0;bottom:0;left:max(24px,calc((100vw - 1440px)/2 - 372px));width:clamp(252px,calc((100vw - 1440px)/2 - 64px),340px);margin:0}
 .pd-detail-layout .pd-related{padding-right:22px;padding-left:22px}
 .pd-detail-layout .pd-related-thumb{width:64px;height:72px;flex-basis:64px;font-size:19px}
 .pd-detail-layout .pd-related-copy strong{font-size:18px}
 .pd-detail-layout .pd-related-copy>span{font-size:14px}
 .pd-detail-layout .pd-overview .pd-grid{grid-template-columns:minmax(300px,.7fr) minmax(0,1.3fr);gap:64px}
}

/* UI finish only: original geometry, spacing and typography sizes are preserved. */
:root{--ink:#252b33;--muted:#727982;--line:#e4e7eb;--soft:#f7f8fa;--accent:#b8442c;--material-ink:#25313f;--material-paper:#f7f8fa}
.nav{border-bottom-color:#e6e8eb}.nav.is-scrolled{box-shadow:0 4px 18px #25313f08}
.brand-mark{background:#b8442c}.btn-primary{background:#b8442c}.btn-primary:hover{background:#9e3523}
.btn:focus-visible,.chip:focus-visible{outline-color:#b8442c}
.catalog-card{border-color:#e0e4e9;box-shadow:0 2px 8px #25313f03}
.catalog-card:hover{border-color:#c7a597;box-shadow:0 8px 24px #25313f0c}
.catalog-card .grade,.pd-overview .grade{background:#fbf1ed;color:#a8442f;border-color:#eddbd4}
.catalog-card .specs>span,.pd-overview .pd-specs>span{background:#f3f4f6;color:#67717e;border-color:#e8eaee}
.catalog-card .card-parameters{background:#f8f9fb;border-color:#e9ecf0}
.catalog-card .card-parameters dt,.pd-overview .pd-params dt{color:#75808d}
.catalog-card .card-parameters dd,.pd-overview .pd-params dd{color:#303c4a}
.catalog-card .card-support,.catalog-card .card-applications>.application-text,.card-document{color:#6f7a86}
.catalog-card .card-bottom{border-color:#e9ecf0}
.catalog-card .card-quote{background:#b8442c;border-color:#b8442c;color:white}
.catalog-card .card-quote:hover{background:#9e3523;border-color:#9e3523}
.material-family{background:#fff;border-color:#e5e8ec}.material-family:hover{background:#25313f;border-color:#25313f;box-shadow:0 8px 20px #25313f0d}
.material-family:hover strong,.material-family:hover .family-count,.material-family:hover .family-name,.material-family:hover .family-action{color:#fff}
.material-family:hover .family-action{border-color:#ffffff26}
.pd-overview .pd-intro .pd-params{background:#fafbfc;border-color:#e1e6ec}
.pd-overview .pd-params h2,.pd-related-heading h2,.pd-related-copy strong{color:#303c4a}
.pd-overview .parameter-title>a{color:#a65340}.pd-overview .pd-purchase .btn-ghost{color:#687482;border-color:#dce2e8}
.pd-related{border-color:#e1e6ec;box-shadow:0 2px 10px #25313f03}.pd-related-thumb{background:#f5f7f9;border-color:#e6eaf0;color:#697787}
.spec-table th{background:#edf0f4;color:#495564}.spec-table tbody tr:nth-child(even){background:#f8f9fb}.spec-table tbody tr:hover{background:#f1f4f8}
.spec-table td,.spec-table th{border-bottom-color:#e7ebef}
.contact-form{border-color:#e7e2dd;box-shadow:0 6px 22px #302c2605}.field input:focus,.field textarea:focus{border-color:#b8442c;box-shadow:0 0 0 3px #b8442c0a}
.quote-dock{border-color:#e4e7eb;box-shadow:0 5px 20px #25313f12}

/* Product detail mobile reading and inquiry targets; desktop layout is unchanged. */
#product-specifications .spec-scroll-hint{display:none}
@media(max-width:600px){
 #product-specifications .spec-scroll-hint{display:block;font-size:13px;line-height:1.7;color:#65707c;margin:0 0 12px}
 #product-specifications .spec-table{min-width:560px;table-layout:fixed}
 #product-specifications .spec-table th,#product-specifications .spec-table td{font-size:14px;line-height:1.75;overflow-wrap:anywhere}
 #product-specifications .spec-table th:nth-child(1){width:160px}
 #product-specifications .spec-table th:nth-child(2){width:140px}
 #product-specifications .spec-table th:nth-child(3){width:260px}
 body:has(.pd-detail-layout) .quote-dock>a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;font-size:12px}
}