.header{
    width: 100%;
    height: 250px;
    background: url("https://fycoder.oss-cn-hangzhou.aliyuncs.com/web/xiyan/13.dl/Group.png") no-repeat center;
    background-size: cover;
}
.header .header-1{
    width: 100%;
    height: 250px;
    position: relative;
    /*background-color: pink;*/
}
.header .header-1 img:nth-child(3){
    position: absolute;
    right: 15px;
    top: 20px;
    width: 80px;
}
.header .header-1 img:nth-child(4){
    position: absolute;
    right: 110px;
    top: 23px;
    width: 30px;

}
.header .header-1 .touxiang{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: pink;
    position: absolute;
    left: 30px;
    top: 40px;
    box-shadow: 0 0 5px white;
    overflow: hidden;
}
.header .header-1 .touxiang img{
    width: 50px;
}
.header .header-1 #daka{
    text-align: left;
    width: 55%;
    height: 60px;
    box-sizing: border-box;
    position: absolute;
    top: 40px;
    left: 100px;
    border: none;
}
.header .header-1 #daka a{
    display: inline-block;
    width: 100%;
    height: 60px;
    text-decoration: none;
    color: #000;
}
.header .header-1 #daka h2{
    font-size: 17px;
    margin-bottom: 10px;
}
.header .header-1 #daka span{
    font-size: 10px;


}