body{
    background: #f5f5f5;
}
.wrapper{
    width:100%;
    max-width: 640px;
    margin: 0 auto;
    position: relative;
}
ul{
	list-style-type: none;
	margin:0;
	padding:0;
}
*{
    font-family: "微软雅黑";
}
.none{
    display: none!important;
}
a{
    color: #333;
}
a:hover{
    color: #333;
    text-decoration: none;
}
ul{
	margin: 0;
    padding: 0;
}