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768px){.product-grid{grid-template-columns:repeat(2,1fr);gap:6px}.detail-main{flex-direction:column}.detail-images{flex-direction:row;width:100%;overflow-x:auto;padding-bottom:8px}.detail-thumb{flex-shrink:0}.detail-media{width:100%;height:auto;aspect-ratio:1}.detail-info{min-width:auto}.detail-bottom-left{gap:16px}.btn-chat,.btn-buy{padding:10px 20px;font-size:16px}}@media (max-width: 480px){.product-grid{grid-template-columns:repeat(2,1fr)}.product-name{font-size:14px;height:40px;line-height:20px}.product-price{font-size:18px}}