.h600{
    height: 6.25rem;
    background-image: url('../img/case/bananer.jpg');
}
section{
    width: 100%;
    padding:0.359rem 0;
    background: #ffff;
}
section .center{
    width: 12.565rem;
    /* min-width: 1200px; */
    height: 100%;
    margin: 0 auto;
    display: flex;
}
section .center li{
    flex: 1;
    text-align: center;
}
section .center li:nth-of-type(1) a{
    border-bottom: 3px solid #2798f7;
    color: #2798f7;
}
section .center a{
    color: black;
    font-size: 0.187rem;
    padding: 0.052rem 0.187rem;
}
section .center a:hover{
    border-bottom: 3px solid #2798f7;
    color: #2798f7;
}
aside:nth-of-type(1){
    display: block;
}
aside{
    background: #efefef;
    display: none;
}
aside .center{
    padding: 0.562rem 0.229rem;
    width: 12.565rem;
    /* min-width: 1200px; */
    height: 100%;
    margin: 0 auto;
    /* padding: 0 ; */
    flex-direction: column;
    font-size: 0.23rem;
}
aside .center h1{
    font-size: 0.391rem;
    color: #0d8de4;
}
aside .center p{
    padding: 0 0.895rem;
    color: #4b4b4b;
    margin: 35px 0;
}
aside .center img{
    width: 2.864rem;
    height: 6rem;
}