#all {
    height: 1688px;
}

#d3 {
    width: 996px;
    height: 1400px;
    border: none;
    margin: 0 auto;
}
#a22 { /* 最新动态主要内容*/
    width: 996px;
    height: 1400px;
    border-bottom: solid 5px #f8e7e7;
    background-color: white;
}

    #a22 li {
        display: block;
        font-family: STSong;
        padding-top: 14px;
        margin-left: 20px;
    }

    #a22 a{
        font-size:15px;
        text-decoration: none;
        color: black;
    }

    #a22 a:hover { /* 当有鼠标悬停在链接上 */
        text-decoration: underline;
    }