.tuimg::after{content:"";width:100%;height:100%;position:absolute;left:0;top:0;background: rgb(255 255 255 / 5%) url(https://www.zgdyys.cn/images/more.svg) no-repeat center;background-size: 16%;opacity:0.8;}
.case-flex{display:flex;flex-wrap:wrap;justify-content: space-between;}
.tuwz{padding:10px;text-align:center}
.tuwz .tunr{text-align:left;}