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.product-grid{grid-template-columns:repeat(2,1fr)}.popular-card{min-width:75vw}.popular-arrow{width:32px;height:32px;font-size:14px}.popular-arrow-left{left:-5px}.popular-arrow-right{right:-5px}.video-grid{grid-template-columns:1fr}.article-grid{grid-template-columns:1fr}.store-grid{grid-template-columns:1fr}.contact-info{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;gap:16px}.footer-wrapper{padding:24px 0 16px}.footer-col h4{margin-bottom:8px;font-size:13px}.footer-col ul li{margin-bottom:4px}.footer-col ul li a{font-size:12px}.footer-bottom{padding-top:12px;flex-direction:column;gap:6px;text-align:center}.footer-bottom a{margin-left:0}.cta-banner{flex-direction:column;text-align:center;gap:20px;padding:32px 24px}.section-header{flex-direction:column;gap:8px;align-items:flex-start}.tabs-nav button{padding:10px 14px;font-size:12px}.page-content{padding:20px 0}.page-content h1,.page-content h2{font-size:20px;margin-bottom:16px}.page-content ul,.page-content ol{margin-left:16px}}@media (max-width:480px){.category-grid,.product-grid{grid-template-columns:1fr;gap:12px}.advantages-grid{grid-template-columns:1fr}.advantage-item{justify-content:center;text-align:center;flex-direction:column;align-items:center}.about-facts{flex-direction:column;gap:16px;align-items:center}.footer-grid{grid-template-columns:1fr;gap:12px}.footer-bottom{flex-direction:column;gap:6px;text-align:center}.infographic-grid{grid-template-columns:1fr}.related-section .product-grid{grid-template-columns:repeat(2,1fr)}.related-section .product-image{height:200px;padding:14px}.related-section .product-image img{max-height:170px}.related-section .product-info h3{font-size:11px}.popular-card{min-width:85vw;grid-template-columns:120px 1fr;column-gap:12px;padding:10px 12px}.popular-card .pop-img{width:120px;height:100%;align-self:stretch}.popular-arrow{display:none}.product-detail .product-image-large{height:180px;padding:12px}.hero-text 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