header{
    overflow: hidden;
    background-color: #20559f;
    box-shadow: 0px 3px 10px #888888;
}
.Logo{
    padding-top: 10px;
    padding-bottom: 10px;
}
.ss_l{
    float: left;
    color: #fff;
    font-size: 18px;
    font-weight: bold;
}
.ss_l img{  height: 32px;  }
.ss_d{
    position: relative;
    float: right;
    top: 5px;
    overflow: hidden;
}
.ss_d img {
    height: 24px;
    margin-left:10px;
}
.nav_box>ul{
    display: flex;
    justify-content:space-around;
    background-color: #e8e8e8;
}
.nav_box>ul>li{
    padding:10px;
    flex: 1;
    text-align: center;
    border:1px solid #fff;
    border-left: none;
}
/*推荐页*/
.recommend>.recommend_box{
    display: flex;
    margin-bottom: 20px;
    flex-wrap:wrap;
}
.recommend>.recommend_box>div{
    position: relative;
    width: 50%;
    margin-bottom: 15px;
}
.recommend>.recommend_box>div img:nth-child(1){
    width:100%;
    padding: 0 10px;
}
.recommend>.recommend_box>div>p{
    padding-left: 10px;
}
.video_btn{
    position: absolute;
    bottom: 24px;
    right: 15px;
    height: 20px;
}
.footer
{
   background-color:#e8e8e8;
   padding:10px 0px 10px 10px;
}
.footer p
{
    font-size:12px;
    line-height:20px;
    letter-spacing:1px;
    padding:0 0 0px 0;
}