.product-detail-section{padding:80px 0}.product-detail-layout{gap:40px;align-items:flex-start;display:flex}.product-images-section{flex:0 0 45%;max-width:45%}.main-product-image{overflow:hidden;margin-bottom:20px;box-shadow:0 4px 15px rgba(0,0,0,.1);border-radius:8px;width:100%}.main-product-image img{height:auto;width:100%;display:block}.product-thumbnails{grid-template-columns:repeat(3,1fr);gap:15px;display:grid}.thumbnail-item{overflow:hidden;border:3px solid transparent;transition:all .3s ease;position:relative;box-shadow:0 2px 8px rgba(0,0,0,.1);border-radius:8px;cursor:pointer}.thumbnail-item.active{border-color:#4caf50;box-shadow:0 4px 15px rgba(76,175,80,.3)}.thumbnail-item:before{right:0;transition:all .3s ease;content:"";position:absolute;bottom:0;top:0;background:transparent;left:0}.thumbnail-item:hover:before{background:rgba(0,0,0,.2)}.thumbnail-item:hover{transform:translateY(-3px);box-shadow:0 4px 12px rgba(0,0,0,.15)}.thumbnail-item img{height:120px;object-fit:cover;width:100%;display:block}.product-info-section{flex:0 0 55%;max-width:55%}.product-title{font-size:32px;font-weight:700;margin-bottom:20px;color:#1a1a1a;line-height:1.3}.product-description{font-size:16px;margin-bottom:30px;color:#666;line-height:1.8}.product-specs-table{overflow:hidden;border-collapse:collapse;box-shadow:0 2px 10px rgba(0,0,0,.08);border-radius:8px;background:#fff;width:100%;margin-top:30px}.product-specs-table tr{border-bottom:1px solid #e8e8e8}.product-specs-table tr:last-child{border-bottom:none}.product-specs-table td{padding:16px 20px;font-size:15px}.product-specs-table td:first-child{font-weight:600;color:#333;background:#f8f9fa;width:40%}.product-specs-table td:last-child{color:#666;text-align:right}@media (max-width:1024px){.product-detail-layout{gap:30px}.product-images-section{flex:0 0 42%;max-width:42%}.product-info-section{flex:0 0 58%;max-width:58%}}@media (max-width:768px){.product-detail-layout{flex-direction:column}.product-images-section,.product-info-section{flex:0 0 100%;max-width:100%}.product-title{font-size:26px}.thumbnail-item img{height:100px}.product-specs-table td{padding:12px 15px;font-size:14px}}@media (max-width:480px){.product-detail-section{padding:40px 0}.product-thumbnails{grid-template-columns:repeat(3,1fr);gap:10px}.thumbnail-item img{height:80px}.product-title{font-size:22px}.product-description{font-size:14px}.product-specs-table td:first-child{width:45%}}