.body{background-color:#fff}
.aboutWrap{background-color:#fff}
.aboutNav{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:start;-ms-flex-pack:start;justify-content:flex-start;height:50px}
.aboutNav .aboutItem{font-size:14px;font-family:PingFangSC-Regular,PingFang SC;font-weight:400;color:#999}
.aboutItem{cursor:pointer}
.aboutNav .aboutActive{color:#333}
.indexItem{width:100%;min-width:1180px;position:relative}
.indexItem img{width:100%;height:100%}