.product_list{border:solid 1px #f3f3f3;margin-top:1.5rem}.product_list .left_btn,.product_list .right_btn{background:#ccc;opacity:.6;width:30px;height:150px;margin:0 1.5rem;display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer}.product_list .left_btn:after,.product_list .right_btn:after{content:"\e622";font-family:ebio;color:#fff;font-size:1.4rem}.product_list .left_btn:hover,.product_list .right_btn:hover{background:var(--main-color)}.product_list .right_btn:after{content:"\e624"}.product_list .product_window{display:flex;flex-direction:row;height:100%}.product_list .product_window>.item{width:25%;flex-shrink:0;height:100%;display:flex;flex-direction:column;padding:.5rem}.product_list .product_window>.item>.pic{transition:all 1s;flex-grow:1;position:relative;display:flex;align-items:center;height:0;padding-top:100%;border:solid 1px #ccc}.product_list .product_window>.item>.pic>img{max-width:100%;max-height:100%;position:absolute;top:0;left:0;bottom:0;right:0;margin:auto}.product_list .product_window>.item:hover>.pic{transform:rotateY(180deg)}.faq .desc{padding:0}.faq .desc .item{padding:.5rem 1rem;display:block}.faq .desc .item .title{font-size:1.2rem;margin-bottom:.6rem;margin-top:.2rem}.lists .item>div{display:flex;flex-direction:column;height:100%;padding:.5rem;border:solid 1px #ccc}.lists .item>div .pic{padding-top:100%;width:100%;height:0;position:relative}.lists .item>div .pic>img{max-width:100%;max-height:100%;position:absolute;top:0;left:0;bottom:0;right:0;margin:auto}