@media (min-width: 40em) {
    footer a{
        width:50%
      }
}


@media (min-width: 576px){
    .layuicontainer {
        max-width: 95%;
    }
}
@media (min-width: 768px){
    .layuicontainer {
        max-width: 95%;
    }
}

@media (max-width: 768px) {
    #main_page{background-color:#fff}
    .main_title{font-size:4.5vw}
    .news_other{padding-bottom:1.5em}
    .right_content{font-size:4vw}
    .leftMenu ul{width:40%}
    .rightMenu ul{width:80%}
    .pressItem{height:250px}
    #mask{line-height:100vh}
    #tools{
        position: fixed;
        left: 0;
        bottom: 0;
        top:auto
      }
    #tools a{
        border-radius: 100%;
        box-shadow: 0 0 5px 0px rgba(51, 51, 51, 0.6);
        height: 2.5em;
        width: 2.5em;
        background-color: rgba(255, 0, 0, 0.84);
        font-size: 14px;
        text-indent: 0;
        line-height: 2.6em;
        position: absolute;
        left: 12px;
        bottom: 10px;
    }

}