body{
    margin: 0;
    width: 100%;
    background: #f1f1f1;
}
body, *, a ,span {
    font-family: 微软雅黑;
    font-size: 15px;
    color: #333333;
}

/*主体*/
.main{
    width: 1100px;
    background: #ffffff;
    padding: 25px;
    margin: 0 auto;
}
.weizhi{
    height: 40px;
    line-height: 40px;
    background: #fff7e6;
    padding-left: 20px;
}
.bt-main{
    padding: 28px 96px 5px 86px;
}