.ny-left-content ul li {
    width: 100%;
    float: left;
    overflow: hidden;
    margin-bottom: 5px;
    border-bottom: 1px solid #ddd;}
.ny-left-content li ul li {
    margin-bottom: 0px;
    background: none;
    border: none;
    position: relative;
    padding-left: 20px;
    background: #fff;}
.ny-left-content li a {
    display: block;
    height: 35px;
    line-height: 35px;
    font-size: 15px;
    padding-left: 20px;
    background: #ebebeb;}

.ny-left-content #cur>a{
color:#fff;background: #168eeb;}
.iimg {
    position: absolute;
    top: 21px;}
.ny-left-content ul li ul{display:none;}
.ny-left-content #cur ul{
display:block;}
.jiaoshou {display: flex;flex-wrap: wrap;width:778px;}
.jiaoshou li{width:20%;padding: 20px 0px;border:1px solid #eee;margin:10px;text-align:center;}
.jiaoshou a{color:#333;text-align:center;}