.header{
    background: url("../images/gaoxin/bg-map.png") center no-repeat;
    background-size: contain;
}
.header .logo{
    width: 185px;
    height: 42px;
}
.a-after::before{
    content: " ";
    display: block;
    width: .4rem;
    height: 100%;
    position: absolute;
    left: 0;
    background: #4A86F4;
}
a:hover{
    color: #4A86F4;
}

.round a:hover{
    border-color: #4A86F4;
}
.gdw a{
    width: 148px;
    text-align: center;
}