.yx_box {
    float: left;
    margin-top: 47px;
    padding-left: 32px;
    opacity: 0.8;}
.rig_nav a{display:none;}
.nav li{text-align:center;position:relative;}
.nav ul li:hover a{color:#039268;}
.nav li ul{display:none;position:absolute;top:50px;left:0;background:#039268;width:100%;z-index:99;}
.nav li ul li{float:none;width:100%;}
.nav li:hover ul li a{color:#fff;}
.nav li ul li:hover a{color:#039268;}
.xwdt-box li a{
    position: relative;
    overflow: hidden;
    width: 492px;
    height: 369px;
    display: block;}
.xwdt-box li a .img{
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;}
.more{
    font-size: 14px;
    color: #989898;
    float: right;    position: relative;
    top: -30px;}