/* xyx */
.menubg{background: url(../img/menubg.png);width: 780px;height: 57px;background-size: center;}
.menubg ul{padding: 0 ;margin: 0;}
.menubg ul li{text-align:center;width:calc(100% / 6);float: left;list-style: none;font-size: 16px;line-height: 40px;margin-top: 17px}
.menubg ul li a{color: #fff;}
.banner{width: 512px;height: 234px;overflow: hidden;float:left;}
.banenrbg{width: 268px;height: 234px;overflow: hidden;float:right;}