body{
    font-size: 14px;
    color: #6c6c6c;
    font-family: "Microsoft YaHei", Helvetica, STHeiTi, sans-serif;
}
*{
    box-sizing: border-box;
    text-decoration: none;
    outline: none;
    margin: 0;
    padding: 0;
    box-sizing:border-box;
    -moz-box-sizing:border-box; /* Firefox */
    -webkit-box-sizing:border-box; /* Safari、chrome */
    -ms-box-sizing:border-box; /* IE */
    -o-box-sizing:border-box; /* Opera */
}
ul,ol{
    list-style: none; 
}
h1,h2,h3,h4,h5,h6,p{
    margin: 0;
    padding: 0;
    font-size: 14px;
    font-weight: normal;
}
a,a: hover{
    color: #6c6c6c;
    text-decoration: none;
}
.clearfix:after, .clearfix:before {
    content: "\20"; 
    display: block; 
    height: 0; 
    clear: both; 
}