.product_index_page{width:100%;height:auto}.product_index_page .title{font-size:36px;line-height:50px;font-weight:700;color:#191919;margin-bottom:40px;margin-top:50px}.product_index_page .subtitle{display:block;font-size:20px;line-height:28px;font-weight:800;color:#191919;margin-top:24px;margin-bottom:19px}.product_index_page nav{width:100%;min-width:1280px;height:100px;background-color:#f8f8f8}.product_index_page ul.nav{width:1200px;height:100%;margin:0 auto;box-sizing:border-box;display:flex;justify-content:space-between;flex-wrap:nowrap;align-items:center}.product_index_page ul.nav li{font-size:18px;color:#111;font-weight:500;cursor:pointer}.product_index_page ul.nav li.active,.product_index_page ul.nav li:hover{font-weight:800}.product_index_page .content{width:1200px;margin:0 auto;padding-bottom:66px;background-color:#fff;padding-top:15px}.product_index_page .content .con{display:flex;flex-wrap:wrap}.product_index_page .content .case.new::before{content:'New';position:absolute;left:30px;top:30px;width:51px;line-height:18px;font-size:13px;color:#db0000;font-weight:800;border:1px solid #db0000;border-radius:11px;text-align:center;padding:1px 0;background-color:#FFF5F5}.product_index_page .content .case{width:370px;margin-right:45px;position:relative}.product_index_page .content .case:nth-child(3n){margin-right:0}.product_index_page .content .case a:hover>img{transform:scale(1.05);transform-origin:center}.product_index_page .content .case .img{display:block;width:370px;height:300px;line-height:300px;background-color:#f5f5f5;text-align:center}.product_index_page .content .case .img img{transition:all .3s ease-in-out}.product_index_page .content .case .buyWrapper{margin-bottom:70px}.product_index_page .content .case .buyWrapper .desc{font-size:16px;line-height:22px;color:#191919;opacity:.69;font-weight:500}