#tabchange {
    width: 100%;
    height: 100%;
    margin: 50px auto;
    overflow: hidden;
    background: black;
}
#tabchange ul {
    width: 100%;
    height: 40px;
    margin-left: -1px;
    list-style: none;
    box-sizing: border-box;
    border-bottom: 2px solid white;
    font-family: "黑体";
    color: white;
}
#tabchange ul li {
    float: left;
    width: 101px;
    height: 40px;
    text-align: center;
    font: 600 18px/40px "simsun";
   
    cursor: pointer;
}





#tabchange span {
    display: none;
    width: 100%;
    height: 100%;
    margin-left: 10px;
    font-size: 14px;
}

#tabchange span a{
    width: auto;
    display: block;
    text-decoration: none;
    color:  white;
    padding-right: 10px;
    float: left;
}

#tabchange span a:hover{
    color: red;
}
#tabchange .show {
    display: block;
}
#tabchange .current {
    box-sizing: border-box;
    background:  white;
    color: black;
}



#tabchange .tab-div{
    width: 100%;
    
    height: 100%;
    
    
}


@media screen and (max-width: 1070px){
    #tabchange  {
    width: auto;
    
    overflow: hidden;
}






}