h3{text-align: center;}

.xw{height: 300px;background-color:;text-align: center;margin-top: 1px;}

.zx{width:89%;height:240px;background-color:;margin: auto;}

.zxt{width: 89%;height:50px;background-color:#E5E5E5;margin: auto;line-height: 50px;}

.zx img{width: 100%;height:240px;}

.fenye{width: 100%;min-height: 10px;text-align: center;}