.contact_bg {
    background: url(/home/img/contact.jpg?V1) bottom center no-repeat;
    height: 500px;
    position: relative;
}

.banner-title {
    color: #FFFFFF;
    font-size: 30px;
    height: 60px;
    width: 1000px;
    position: absolute;
    top: 165px;
    left: 0;
    right: 0;
    margin: auto;
    text-align: center;
}

.product_categoey_list_box {
    background-color: #F8F8F8;
    overflow: hidden;
    /*height: 50px;*/
}

.product_categoey_list_box ul {
    overflow: hidden;
}

.product_categoey_list {
    float: left;
    line-height: 50px;
    height: 48px;
    border-bottom: 2px solid #F8F8F8;
    margin-right: 20px;
    color: #333;
    font-size: 15px;
}

.box {
    overflow: hidden;
}

.product_categoey_list:hover {
    /*ba*/
    color: #005197;
    border-bottom: 2px solid #005197;
    /*color: red;*/
}

.banner_box {
    width: 100%;
    height: 800px;
}

.banner_box img {
    width: 100%;
    height: 100%;
}

.product_box {
    margin-top: 20px;
    width: 100%;
}

.product_box img {
    max-width: 100%;
}

.product_box {
    width: 1200px!important;
}