body,html{
    margin: 0;
    padding: 0;
    min-width: 1200px;
    height: 100%;
    overflow-x: auto;
    font-size: 0;
}
.wrap{
    width: 100%;
    height:75px;
    vertical-align: middle;
    position: relative;
}
.wrap img{
    width:70px;
    height:75px;
    margin-left:25%;
}
.nav_list{
    display: inline-block;
    list-style-type: none;
    margin:0;
    padding:0;
    overflow: hidden;
    position: absolute;
    left:37%;
}
.nav_list li.first_li{
    padding:27px 0;
    color: black;
    float: left;
    margin-left:50px;
}
.nav_list li a,.sec_nav_list a{
    text-decoration: none;
    font-size: 16px;
    color:black;
    padding:10px 0;
}
.nav_list_a.active{
    border-bottom: 2px solid rgb(19,93,175);
}
.sec_nav_list{
    display: none;
    z-index: 99;
    list-style-type: none;
    margin:0;
    padding:0;
    position: absolute;
    overflow: hidden;
    left:40%;
    top:75px;
    background-color:rgba(255,255,255,0.6);
}
.sec_nav_list li{
    font-size:16px;
    float: left;
    color:black;
    padding:14px;
    margin-left:50px;
}
.sec_nav_list li:last-child{
    margin-right:50px;
}
.sec_nav_list a:hover{
    color:rgb(19,93,175);
    font-weight: 700;
}