.header{

    background:url(../images/huixinyun/huixinyun-bg.png);
    width:100%;
    height:128px;
    z-index:-10;
    zoom: 1;
    background-color: #fff;
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
    background-position: center 0;
    display: flex;
}
.logo-wrapper{
    width: 1000px;
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: flex-start;



}
.logo-wrapper img{
    width: 10%;
    height: auto;
}
.logo-wrapper span{
    color: #fff;
    font-size: 30px;
    margin-left: 10px;
}

@media screen and (max-width: 640px){
    .logo-wrapper{
        width: 100%;
    }

   
}
@media screen and (max-width: 420px){
    .logo-wrapper img{
        margin-left: 25px;
        width: 20%;
        height: auto;
    }
    .logo-wrapper span{
        font-size: 26px;
    
    }
   
}