.news-select {
    position: relative;
    margin: (15rem / $remNum) 0;
    text-align: center;
    select {
        padding-right: 10px;
        font-size: 16rem / $remNum;
        border: none;
        outline: none;
        font-family: "arial","helvetica","微软雅黑";
        text-align: center;
        background: transparent image-url("select-icon.png") no-repeat right center;
        color: #000;
    }
}
.news-main{
    display: none;
}
.news-main.current{
    display: block;
}