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(max-width:480px){.product-detail-grid{padding:15px}.gallery-thumbnails{grid-template-columns:repeat(2,1fr)}.product-title{font-size:1.5rem}.current-price{font-size:1.8rem}.attribute{flex-direction:column;align-items:flex-start;gap:5px}.attribute-label{width:100%}.benefit{flex-wrap:wrap}.review-header{flex-direction:column}.delivery-info li{flex-wrap:wrap}.tabs-header{flex-direction:column;gap:0}.tab-btn{text-align:left;width:100%}}@media (hover:none) and (pointer:coarse){.quantity-btn:active{transform:scale(.9)}.add-to-cart-btn:active{transform:scale(.95)}.favorite-btn:active{transform:scale(.9)}.related-card:hover{transform:none}}@media (prefers-reduced-motion:reduce){.main-image img,.related-card,.related-image 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