.expert-node:before{
    background-image: url(/ydyy-prod/sites/ydyy.prod.sysucloud2.sysu.edu.cn/files/expert-bg.png);
    background-repeat: no-repeat;
}

.expert-header img{
    width:270px;
    height: auto;
    aspect-ratio: 3 /4;
    object-fit: cover;
}

.expert-info {
    margin-top: 70px  !important;
}
.expert-header .expert-info div{
     font-size: 20px;
}