.banner {
    width: 100%;
    min-width: 1400px;
    height: 540px;
  margin-top: 92px;
    background: url("../static/images/banner/yunyinbanner.jpg") top center no-repeat
}

.main {
    position: relative;
    width: 100%;
    min-width: 1400px;
}

.main .img-2 {
    position: absolute;
    bottom: 1000px;
    left: 0;
    right: 0;
    margin: 0 auto;
    width: 100%;
    height: 289px;
    background: url("../static/images/product/product-1-3.png") top center no-repeat
}
.img_box{
    width: 100%;
    height: 773px;
    background-color: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}
.img_box1{
    width: 100%;
    height: 773px;
    background-color: #F5F8FF;
    display: flex;
    justify-content: center;
    align-items: center;
    
}