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32px)}.topline .wrap{font-size:9px;justify-content:center}.topline .wrap>span:last-child{display:none}.header-inner{height:77px}.main-nav{top:77px;left:-16px;width:calc(100% + 32px);gap:19px;font-size:10px;overflow-x:auto;justify-content:start;padding:0 16px;white-space:nowrap}.cart-link{font-size:11px;gap:6px}.cart-link svg{width:17px}.cart-link #cart-count{width:22px;height:22px}.logo{font-size:16px;letter-spacing:1px;gap:9px}.logo-second{margin-top:4px}.hero-grid{display:block;padding:38px 0 33px}.hero h1{font-size:58px;letter-spacing:-2.7px}.hero .eyebrow{font-size:8px;letter-spacing:1.6px}.hero-copy>p{font-size:13px;line-height:1.8}.hero-actions{flex-direction:row;align-items:center;gap:20px;flex-wrap:wrap}.hero-actions .button{padding:12px 19px;font-size:12px;gap:12px;min-height:42px}.hero-actions .text-link{font-size:11px}.hero-points{font-size:8px;gap:24px;margin:26px 0}.hero-spec{margin-top:32px;padding:20px 22px}.sections-diagram{margin-top:25px;margin-bottom:9px}.sections-diagram .section-icon{height:75px;width:27%}.spec-labels{font-size:7px;letter-spacing:.6px;margin-bottom:21px}.spec-heading{font-size:8px;letter-spacing:1px}.spec-line{font-size:10px;padding:9px 0}.spec-line b{font-size:10px}.diagram-caption{font-size:8px}.section{padding-top:37px;padding-bottom:38px}.section-heading{align-items:start;gap:14px;margin-bottom:22px}.section-heading h2{font-size:25px;letter-spacing:-.8px}.section-heading .eyebrow{font-size:8px;letter-spacing:1.4px}.section-heading>a{font-size:10px;white-space:nowrap;margin-top:27px}.category-grid{grid-template-columns:1fr 1fr;gap:10px}.category-card{padding:18px 15px}.category-card:last-child{grid-column:1 / -1}.card-top{margin-bottom:19px}.card-top .section-icon{width:39px;height:39px}.category-card h3{font-size:14px}.category-card p{font-size:10px;min-height:50px}.category-card:last-child p{min-height:0}.card-count{font-size:9px}.workflow{padding:34px 0}.workflow-grid{gap:23px}.workflow .eyebrow{font-size:8px}.workflow h2{font-size:25px}.workflow h3{font-size:13px}.workflow article p{font-size:11px}.step-number{font-size:22px;margin-bottom:11px}.service-banner{display:block;padding:25px 22px}.service-banner .eyebrow{font-size:8px}.service-banner h2{font-size:26px}.service-banner p{font-size:12px}.service-banner .button{margin-top:23px;min-height:40px;font-size:11px}.footer-grid{gap:26px 16px}.footer-brand{font-size:22px}.footer-grid>div:first-child{grid-column:1 / -1}.footer-grid>div:last-child{grid-column:1 / -1}.footer-grid p{font-size:10px}.footer-bottom{font-size:9px}.footer-bottom div{gap:15px;font-size:9px;flex-wrap:wrap}.breadcrumbs{font-size:10px;gap:7px;margin-bottom:24px}.page-head{padding-top:21px;padding-bottom:20px}.page-head h1{font-size:33px;letter-spacing:-1px}.page-head p{font-size:12px}.page-head .eyebrow{font-size:8px}.category-tabs{gap:6px;padding-bottom:16px}.category-tabs a{font-size:10px;padding:7px 10px}.catalog-toolbar{font-size:10px;display:flex;flex-wrap:wrap;gap:12px}.toolbar-actions{margin-left:auto;gap:17px}.toolbar-actions .filter-toggle{min-height:30px;height:30px;width:145px}.reset-button{font-size:10px}.table-scroll{max-width:100%;border-radius:2px}.catalog-bottom{font-size:9px;gap:15px}.catalog-bottom>.muted{width:100%}.catalog-note{font-size:10px}.catalog-note b{font-size:11px}.product-detail{display:block}.product-diagram{min-height:190px;margin-bottom:27px;gap:8px}.product-diagram .section-icon{width:90px;height:90px;margin-bottom:9px}.product-diagram b{font-size:16px}.product-info h1{font-size:29px}.product-info dl{margin-top:20px}.product-info dl>div{font-size:11px}.purchase-card{margin-top:25px;padding:24px}.product-price{font-size:29px}.product-description h2{font-size:26px}.product-description p{font-size:12px}.content-blocks article{padding-top:22px}.content-blocks article h2{font-size:22px}.content-blocks article p{font-size:12px}.content-layout{padding-bottom:37px}.content-aside{padding:25px}.city-grid{gap:10px}.city-grid a{font-size:12px;padding:11px 17px}.cart-item{padding:16px}.cart-item h3{font-size:12px}.cart-item small{font-size:9px}.cart-item-bottom{gap:10px;flex-wrap:wrap}.cart-item .quantity-control{width:145px}.cart-line-mass{margin-left:0;font-size:10px}.cart-line-amount{margin-left:auto;font-size:12px}.checkout{padding:20px}.checkout h2{font-size:19px}.filter-popover{max-width:calc(100vw - 24px)}#toast{max-width:90%;width:max-content;font-size:11px;bottom:18px}}

.subtype-tabs{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:10px;margin:0 0 12px;color:#6d8264}.subtype-tabs b{min-width:93px;color:#49643e}.subtype-tabs a{background:#eef2e6;border:1px solid #d9e1cf;padding:5px 10px;border-radius:3px}.subtype-tabs a:hover{background:#dce6ce}.gost-link{text-decoration:underline;text-decoration-color:#bbcbb0;text-underline-offset:3px}.gost-link:hover{color:#b06b3d}.standards-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;padding-top:8px}.standard-card{background:#eef2e6;border:1px solid #d9e1cf;padding:24px;border-radius:3px}.standard-card>b{font-size:17px;display:block;margin-bottom:12px}.standard-card h2{font-size:15px;line-height:1.6;letter-spacing:0;color:#6f8664;margin-bottom:20px}.standard-card>span{font-size:10px;color:#79936b}.gost-pdf{width:100%;height:650px;border:1px solid #d9e1cf;border-radius:3px;margin-top:18px;background:#eee}.shipping-summary{font-size:10px;background:#f3f5eb;border:1px solid #e3e9d9;border-radius:3px;padding:10px 12px;margin-top:15px;color:#7b916d}.shipping-summary b{font-size:10px;color:#49663d}.shipping-summary p{font-size:9px;line-height:1.7;margin:4px 0 0}.shipping-note{background:#eef2e6;border:1px solid #d9e1cf;border-radius:3px;padding:22px;margin-bottom:45px;font-size:12px;color:#6f8664}.shipping-note b{color:#49643e}.shipping-note p{margin:7px 0 0}.shipping-note a{text-decoration:underline}@media(max-width:800px){.standards-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:560px){.standards-grid{grid-template-columns:1fr}.gost-pdf{height:450px}.subtype-tabs{font-size:9px;gap:7px}.subtype-tabs b{min-width:80px}.subtype-tabs a{padding:5px 8px}.shipping-note{font-size:11px}}

@media(min-width:851px){main:has(#cart-page) .page-head{padding-top:20px;padding-bottom:14px}main:has(#cart-page) .page-head .breadcrumbs{margin-bottom:15px}main:has(#cart-page) .page-head .eyebrow{margin-bottom:7px}main:has(#cart-page) .page-head h1{font-size:34px;margin-bottom:8px}main:has(#cart-page) .page-head p{margin-bottom:10px}.cart-layout{grid-template-columns:minmax(0,1fr) 480px}.checkout{padding:20px}.checkout fieldset{margin-bottom:9px}.checkout .form-label{margin-top:7px}.checkout form{margin-top:12px}.shipping-summary{margin-top:9px;padding:8px 10px}.checkout .summary-line{margin-bottom:7px}}
.guide-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.guide-card{border:1px solid #d8dfd2;background:#eef0e8;padding:22px;display:flex;flex-direction:column;gap:12px;border-radius:3px}.guide-card h3{font-size:17px;line-height:1.4;margin:0}.guide-card p{font-size:12px;color:#71826f;margin:0}.guide-card span{font-size:12px;font-weight:600;margin-top:auto}.catalog-editorial{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px;border-top:1px solid #d8dfd2}.catalog-editorial h2{font-size:22px}.catalog-editorial p{font-size:13px;color:#6c7e68}.related-guides{grid-column:1/-1;display:flex;align-items:center;flex-wrap:wrap;gap:12px 25px}.related-guides h2{width:100%;margin:0 0 3px}.related-guides a{font-size:12px;border-bottom:1px solid #abb8a4}.article-layout{display:grid;grid-template-columns:minmax(0,2fr) minmax(230px,1fr);gap:60px;padding-bottom:65px}.article-copy article{margin-bottom:32px}.article-copy h2{font-size:25px}.article-copy p{font-size:15px;line-height:1.9;color:#64745f}.article-related{display:flex;flex-direction:column;gap:12px;align-items:start}.article-related h2{font-size:23px}.article-related .button{width:100%;text-align:left}.company-details{background:#eaf0e1;border:1px solid #dce4d4;border-radius:3px;padding:10px 12px;font-size:10px;margin:8px 0 12px;line-height:1.6;overflow-wrap:anywhere}.company-details span,.company-details b{display:block}.company-details b{font-weight:500}.delivery-calculator{margin-top:12px;border:1px solid #d7dfcf;border-radius:3px}.delivery-calculator summary{padding:11px 12px;cursor:pointer;font-size:12px;font-weight:600}.delivery-calculator summary span{display:block;color:#7a8c72;font-size:10px;font-weight:400;margin:3px 0 0 14px}.delivery-fields{padding:4px 12px 12px}.delivery-fields .button{width:100%;padding:11px 6px;min-height:38px}.form-label select{width:100%;height:36px;border:1px solid #d4ddca;background:#fff;border-radius:3px;padding:6px;color:#263c26;font-size:12px}.cargo-dimensions{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.cargo-dimensions input{min-width:0}.compact-check{margin:8px 0;font-size:10px}.carrier-result{display:flex;gap:9px;align-items:start;border:1px solid #d6dfce;padding:10px 9px;font-size:11px;border-radius:3px;margin-top:8px;cursor:pointer}.carrier-result span{flex:1;min-width:0}.carrier-result small{display:block;color:#75876d;line-height:1.6;margin-top:4px}.carrier-result strong{white-space:nowrap;font-size:11px;font-weight:600}.carrier-result input{margin:1px 0;accent-color:#263c26}.carrier-result.unavailable{cursor:default;background:#eef1e7}.carrier-result:has(input:checked){border-color:#59784e;background:#e8efde}.summary-final{border-top:1px solid #cbd6bf;padding-top:12px!important;margin-top:7px}.cart-line-metres{font-size:11px;color:#6a7d62}.cart-item-bottom{flex-wrap:wrap}.cart-quantity-note{margin-top:12px;max-width:640px}
@media(max-width:800px){.guide-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.catalog-editorial{grid-template-columns:1fr;gap:15px}.article-layout{grid-template-columns:1fr;gap:20px}.article-related{padding-top:20px;border-top:1px solid #d8dfd2}.related-guides{grid-column:auto}}
@media(max-width:480px){.guide-grid{grid-template-columns:1fr}.guide-card{padding:20px}.article-copy p{font-size:13px}.article-copy h2{font-size:23px}.cart-item-bottom{gap:10px}.carrier-result strong{font-size:10px}.cargo-dimensions{gap:5px}.cargo-dimensions label{font-size:9px}.cargo-dimensions input{padding:7px 3px}.delivery-fields{padding:4px 9px 9px}}

.cart-layout{grid-template-columns:minmax(0,1fr) 380px;gap:22px}.cart-items-column{min-width:0}.cart-delivery-panel,.order-contact-panel{grid-column:1/-1;background:#fff;border:1px solid #dce4d2;padding:22px;border-radius:4px;min-width:0}.delivery-panel-head{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:13px}.delivery-panel-head .eyebrow{font-size:9px;color:#7b8c72;margin-bottom:6px}.delivery-panel-head h2{font-size:24px;margin:0}.delivery-panel-head .segmented{min-width:235px}.delivery-methods{display:flex;gap:24px;font-size:12px;margin:17px 0}.delivery-methods input{accent-color:#263c26;vertical-align:middle;margin:0 7px 0 0}.address-route{display:grid;grid-template-columns:1.05fr 1.6fr .65fr .7fr auto;gap:16px;align-items:end}.address-route .button{height:36px;min-height:36px;padding:8px 18px;font-size:11px}.address-route select,.address-route input{height:36px}.address-quote{display:flex;justify-content:space-between;align-items:center;gap:20px;padding:14px 18px;border:1px solid #91a381;background:#edf3e5;border-radius:3px;margin-top:12px;font-size:12px}.address-quote small{display:block;font-size:10px;color:#778c6b;margin-top:3px}.address-quote strong{font-size:19px;white-space:nowrap}.tk-route{display:grid;grid-template-columns:1fr 1fr 1.5fr auto;gap:16px;align-items:end}.tk-route .button{width:auto;padding:8px 17px;min-height:36px;height:36px;white-space:nowrap}.tk-additional{display:flex;align-items:end;flex-wrap:wrap;gap:10px 25px}.tk-additional .form-label{max-width:265px}.delivery-calculator{background:#f9fbf5;margin-top:17px}.delivery-calculator summary span{display:inline;margin-left:15px}.delivery-fields{padding:2px 16px 16px}#delivery-results{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-top:8px}.carrier-result{margin-top:0;min-height:72px;background:#fff}.carrier-result strong{font-size:12px}.order-contact-panel{display:grid;grid-template-columns:1fr 1.2fr .9fr;gap:30px}.order-contact-panel h2{font-size:20px;margin-bottom:12px;letter-spacing:-.4px}.order-actions .button{width:100%;min-height:40px}.order-actions #order-status{border-top:1px solid #e0e7d9;padding-top:12px;margin-top:15px}.city-grid a{font-size:12px;padding:11px 16px}.region-price{background:#eaf0e1;padding:17px 20px;border-radius:3px;margin:15px 0}.region-price b{font-size:24px;display:block}.region-price small{font-size:11px;color:#6d8061}.region-directions{display:flex;gap:8px;flex-wrap:wrap;margin:22px 0}.region-directions a{background:#eaf0e1;border:1px solid #dce4d2;padding:8px 12px;border-radius:3px;font-size:11px}
@media(max-width:1150px){.address-route{grid-template-columns:1fr 1.5fr .7fr}.address-route>.button{grid-column:1/-1;justify-self:end}.tk-route{grid-template-columns:1fr 1fr 1.4fr}.tk-route>.button{grid-column:1/-1;justify-self:end}#delivery-results{grid-template-columns:repeat(3,minmax(0,1fr))}.order-contact-panel{gap:20px}}
@media(max-width:850px){.cart-layout{grid-template-columns:1fr}.checkout{width:100%}.address-route,.tk-route{grid-template-columns:1fr 1fr}.address-route #address-label{grid-column:1/-1;grid-row:2}.address-route>.button,.tk-route>.button{grid-column:auto;justify-self:stretch}.tk-route .cargo-dimensions{grid-column:1/-1}#delivery-results{grid-template-columns:repeat(2,minmax(0,1fr))}.order-contact-panel{grid-template-columns:1fr 1fr}.order-actions{grid-column:1/-1}.delivery-panel-head{align-items:start;flex-direction:column;gap:12px}.delivery-panel-head .segmented{width:100%}.delivery-calculator summary span{display:block;margin:4px 0 0 14px}}
@media(max-width:480px){.cart-delivery-panel,.order-contact-panel{padding:16px}.order-contact-panel{grid-template-columns:1fr;gap:22px}.order-actions{grid-column:auto}.address-route,.tk-route{gap:10px}.address-route>.button{grid-column:1/-1}.tk-route .button{grid-column:1/-1}.delivery-methods{gap:16px;font-size:10px}.delivery-panel-head h2{font-size:22px}#delivery-results{grid-template-columns:1fr}.carrier-result{min-height:62px}.delivery-fields{padding:2px 9px 11px}.tk-additional{gap:4px}.cart-item{padding:16px}.address-quote{padding:12px;gap:10px}.address-quote strong{font-size:17px}}

.address-route .form-label{min-width:0}.address-route select{min-width:0}

.catalog-pagination{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin:20px 0}.catalog-pagination a,.catalog-pagination span{padding:8px 12px;border:1px solid #d8dfd2;border-radius:3px}.catalog-pagination [aria-current]{background:#192a23;color:white}.catalog-pagination[hidden]{display:none}.all-sizes{flex-basis:100%;margin-top:10px}.all-sizes summary{cursor:pointer;font-weight:600}.all-sizes .size-links{padding-top:12px}
.related-products{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}.related-products a{padding:16px;border:1px solid #d8dfd2;border-radius:3px;line-height:1.6}.unit-prices{font-size:13px;line-height:1.7}@media(max-width:700px){.related-products{grid-template-columns:1fr}}

.landing-jumps{display:flex;flex-wrap:wrap;gap:12px 24px;margin-top:17px;font-size:12px}.landing-jumps a{text-decoration:underline;text-underline-offset:4px;color:#365b30}.size-comparison,.catalog-faq{scroll-margin-top:95px}

.catalog-overview{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin:18px 0 8px}.catalog-overview>div{border:1px solid #d8dfd2;background:#f5f8f0;padding:11px 15px;border-radius:3px;min-width:0}.catalog-overview small{display:block;font-size:10px;color:#6b7c64;margin-bottom:5px}.catalog-overview b{font-size:13px;font-weight:600;line-height:1.5}.catalog-date{font-size:10px;color:#6b7c64;margin:8px 0 18px}.size-comparison>p{font-size:13px;line-height:1.7;max-width:850px}.size-table{width:100%;min-width:660px;border-collapse:collapse;margin:18px 0}.size-table caption{text-align:left;font-size:12px;color:#6b7c64;padding:0 0 12px}.size-table th,.size-table td{text-align:left;white-space:nowrap;padding:13px 15px;border-bottom:1px solid #d8dfd2;font-size:12px}.size-table th{background:#eef3e7;font-weight:600}.size-table a{color:#365b30;text-decoration:underline;text-underline-offset:3px}.catalog-faq details{border-top:1px solid #d8dfd2;padding:17px 0}.catalog-faq details:last-child{border-bottom:1px solid #d8dfd2}.catalog-faq summary{font-size:14px;font-weight:600;cursor:pointer;line-height:1.6}.catalog-faq p{max-width:950px;font-size:13px;line-height:1.8;margin:15px 0 0;color:#5e6d59}@media(max-width:650px){.catalog-overview{grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.catalog-overview>div{padding:10px}.catalog-overview b{font-size:12px}.size-table th,.size-table td{padding:11px}.catalog-faq summary{font-size:13px}}

/* Application guides: genuine photographic references redrawn as local vector diagrams. */
.hero-business{color:#f3d285;font-size:13px;margin:20px 0 0}.article-byline{display:block;color:#64746a;font-size:12px;margin-top:18px}.application-figure{margin:0 0 34px}.application-figure img{width:100%;height:auto;display:block;border:1px solid #dbe3da;border-radius:12px}.application-figure figcaption{font-size:12px;line-height:1.65;color:#637066;padding:12px 0}.application-figure details{margin-top:6px}.application-figure summary{cursor:pointer;text-decoration:underline;text-underline-offset:3px}.application-figure details p{font-size:12px;margin:8px 0 0}.application-figure a,.application-sources a{color:#345940}.article-copy article{scroll-margin-top:100px}.article-copy p{line-height:1.85}.article-contents,.article-standards{margin-top:28px;padding-top:20px;border-top:1px solid #dce3db}.article-related .article-contents h2,.article-related .article-standards h2{font-size:15px}.article-contents a,.article-standards a{display:block;font-size:13px;line-height:1.6;margin:10px 0;text-decoration:none}.article-contents a:hover,.article-standards a:hover{text-decoration:underline}.application-checklist{margin:32px 0}.application-table-wrap{overflow-x:auto;border:1px solid #dce3db;border-radius:10px}.application-checklist table{width:100%;border-collapse:collapse;font-size:14px}.application-checklist caption{text-align:left;padding:14px 18px;color:#647267;font-size:12px}.application-checklist th,.application-checklist td{padding:13px 18px;vertical-align:top;text-align:left;border-top:1px solid #e2e7df;line-height:1.65}.application-checklist thead{background:#eff3eb}.application-checklist tbody th{width:25%;font-weight:500}.application-order{padding:26px;background:#eef3e9;border-radius:12px;margin:32px 0 0}.application-order h2{margin-top:0}.application-order .text-link{display:block;margin-top:16px}.application-sources{margin:28px 0;color:#647267;font-size:12px;line-height:1.7}.application-sources summary{cursor:pointer}.application-sources p{font-size:12px}.guide-card-image{display:block;width:100%;height:auto;border-radius:7px;margin-bottom:20px}.supply-clause{margin:18px 0;padding:15px 22px;border-left:3px solid #bf9b4a;background:#f1f4ed;line-height:1.85}.supply-clause p{margin:0}
@media(max-width:700px){.application-checklist th,.application-checklist td{padding:11px 12px;font-size:12px}.application-checklist tbody th{width:30%}.application-order{padding:20px}.hero-business{line-height:1.6}.article-contents{display:none}}