html,
body {
    font-size: 62.5%;
}

@media (max-width:935px) {
    nav {
        display: none;
    }

    .menu {
        display: block;
        margin-right: 10px;
    }

    .search {
        display: none;
    }
    .fot_con{
        justify-content: center;
        padding-bottom: 30px;
    }
    .fot_con >div{
        text-align: center;
    }
    .fot_con >div >span{
        flex-wrap: wrap;
        justify-content: center;
    }
    .fot_con >div >span:nth-child(2) p{
        margin-bottom: 15px;
    }
    .fot_con >div >span:nth-child(3) p{
        margin-bottom: 15px;
    }
    .fot_right{
        margin-top: 25px;
    }

}

@media (max-width:810px) {
    .notice_list{
        width: 85%;
    }
    .trends_right{
        width: 100%;
    }
    .trends_left{
        width: 100%;
    }
    .friend{
        display: none;
    }
}

@media (max-width:655px) {
    .news_top_left{
        width: 100%;
        min-width: auto;
        height: auto;
    }
    .news_top_right{
        width: 100%;
    }
    .news_top{
        flex-wrap: wrap;
    }  

}

@media (max-width:555px){
    .notice_list{
        width: 100%;
    }
    .notice_list >span{
        width: 100%;
    }
    .notice_list >p{
        display: none;
    }
    .notice>span{
        width: 100%;
    }
    .notice>span::before{
        content: initial;
    }
    .app_lun{
        display: block;
    }
    .pc_lun{
        display: none;
    }
}

@media (max-width:414px) {

    html,
    body {
        font-size: 32.5%;
    }

    .logo>span {
        width: 85%;
    }

    .logo>span img {
        width: 100%;
    }
    .trends_right_nav a span p:nth-child(1){
        font-size: 14px;
    }
}