/* 小屏幕手机端 */
               @media (min-width: 0px) and (max-width:750px) {
                nav {
                    padding: 0 .4rem;
                    box-sizing: border-box;
                }
                main {
                    /* background-color: #F6F8FB; */
                    /* width: 100vw; */
                    /* font-size: 0rem; */
                    /* margin: 0 auto; */
                }

                .headerbox {
                    /* background: url(../partimage/drinkwater/screentopimg.png); */
                    /* width: 100%; */
                    height: 4.6667rem;
                    margin: 0 auto;
                    background-size: 100% 100%;
                    position: relative;
                }

                .topimg {
                    width: 100%;
                    height: 4.6667rem;
                    /* width: 100vw; */
                    position: absolute;
                }

                .header {
                    /* width: 16rem; */
                    z-index: 99;
                }

                .top-content {
                    position: absolute;
                    top: .7067rem;
                    left: .6667rem;
                }

                .top-content h1 {
                    font-family: Alibaba PuHuiTi;
                    font-weight: 500;
                    font-size: .48rem;
                    color: #FFFFFF;
                    /* height: .4667rem;
         line-height: 1.0667rem; */
                }

                .top-content div {
                    width: 1.3333rem;
                    height: .0533rem;
                    background: #F5F2F6;
                    margin: .28rem 0 .28rem;
                }

                .top-content p {
                    width: 4.8667rem;
                    font-family: Alibaba PuHuiTi;
                    font-weight: 400;
                    font-size: .2133rem;
                    color: #FFFFFF;
                    /* line-height: 1.8; */
                    height: 1.8133rem;
                    line-height: .4rem;
                }

                .milkbox {
                    background: url(../partimage/blowermachine/blowerbg.png);
                    /* width: 100%; */
                    height: 10.3867rem;
                    margin: 0 auto;
                    background-size: 100% 100%;
                    padding: .6533rem .4rem;
                    box-sizing: border-box;
                }
    
                .topstar {
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    margin-bottom: .4rem;
                    height: .3467rem;
                }
    
                .topstar h1 {
                    font-family: Alibaba PuHuiTi;
                    font-weight: 500;
                    font-size: .4267rem;
                    color: #333333;
                    margin: 0 .1067rem;
                }
    
                .topstar img {
                    width: .1867rem;
                    height: .1867rem;
                }
    
                .milkbox ul {
                    display: flex;
                    flex-wrap: wrap;
                }
    
                .milkbox li {
                    width: 4.4667rem;
                    height: 4rem;
                    /* background: linear-gradient(90deg, #EEF9FF, #F4F9FD);
            border-radius: .1333rem;
            border: .0133rem solid;
            border-image: linear-gradient(0deg, #FFFFFF, #E9F6FD) 1 1; */
                    text-align: center;
                    padding: .3867rem .44rem .4267rem;
                    box-sizing: border-box;
    
                    border: .0133rem solid transparent;
                    border-radius: .1333rem;
                    background-clip: padding-box, border-box;
                    background-origin: padding-box, border-box;
                    background-image: linear-gradient(-90deg, #EEF9FF, #F4F9FD), linear-gradient(0deg, #FFFFFF, #E9F6FD);
                }
    
                .milkbox ul li:nth-child(2n+1) {
                    margin-right: .2667rem;
                }
                .milkbox ul li:nth-child(3){
                    text-indent: .0667rem;
                    padding: .3867rem .2933rem .4267rem;
                    box-sizing: border-box;
                }
                .milkbox ul li:nth-child(-n+2) {
                    margin-bottom: .2667rem;
                }
    
                .milkbox li img {
                    width: 1.3067rem;
                    height: 1.4533rem;
                }
    
                .milkbox li h1 {
                    font-family: Alibaba PuHuiTi;
                    font-weight: 400;
                    font-size: .4rem;
                    color: #333333;
                    margin: .1067rem 0 .16rem;
                    /* height: .28rem; */
                }
    
                .milkbox li p {
                    font-family: Alibaba PuHuiTi;
                    font-weight: 400;
                    font-size: .2933rem;
                    color: #666666;
                }
            }