.header_all2{height: 1rem;background-color: #746258;display: flex;flex-direction: row;}
.header_all2 .header_left,.header_all2 .header_right{width: 1.8rem;}
.header_all2 .header_center{width:3.9rem;}
.header_all2 .header_center .header_logoBox{height: 100%;}
/*返回按钮样式*/
.back_icon{width: 0.5rem;height: 0.5rem;position: absolute;top: 0.3rem;left: 0.2rem;}