.ll{
    float: left;
}
.lr{
    float:right;
}
/*顶部背景图*/
.bottom_bg{
    width:100%;
    overflow: hidden;
}
.bottom_bg img{
    width:100%;
}

/*主体内容*/
#main{
    width:100%;
    overflow: hidden;
    position: relative;
    min-width:1100px;
}
.top{
    width:60%;
    margin:50px auto 0px;
    overflow: hidden;
}
.top .t_nr{
    width:100%;
    overflow: hidden;
}
.top .t_nr .exit{
    float:left;
    font-size:16px;
}
.top .t_nr .fenxiang{
    float:right;
}
.top .t_line{
    width:100%;
    height:1px;
    margin:10px 0px;
    background-color:#6A6A6A;
}
.con{
    width:55%;
    margin:10px auto 0px;
}

.con p{
    text-indent: 0em;
    line-height:150%;
}
.con .mt{
    margin-top:25px;
}
.con .nmt{
    text-indent: 0;
}
.con h3{
    text-align:center;
}