.join_kj .center {
    width: 1200px;
    margin: 0 auto;
}
.join_kj{
    width: 1200px;
    margin: 0 auto;
}
.product_right {
    float: right;
    margin-top: 25px;
}

#nav {
    float: left;
}

#nav a:hover li {
    color: #fff;
    background-color: #cf000e;
}

#nav a.active li {
    color: #fff;
    background-color: #cf000e;
    color: #fff;
}
#nav a.active li p:last-child{background-image: url(../images/product_title_nav_l.png);}
.mainPage{padding-top: 60px;}
.join_bj3{top: 1662px;height: auto;}
.join1_nr{margin-top: 20px;}
.join_bj1{height: 800px;}
.join2_nr {margin-top: 0px;}
.join_bj2{top: 2298px;height: 800px;}
.join_bj6{top: 3485px;}
.join6_zaixian{
    padding-top: 40px;
}
.join7_di{margin-bottom: 90px;}
.product_left .fenye_zbt{
    position: relative;
    top: 70px;
    left: 15px;
}
.brand_nr{margin-top: 0px;}
.brand_bt{margin-top: 0px;}

.about_rongyu{margin-bottom: 200px;}