.product-center {
    width: 100vw;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    text-align: center;
}
.product-center .banner {
    width: 100%;
    height: 432px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    flex-wrap: wrap;
    text-align: center;
    font-size: 60px;
    font-weight: 400;
    color: #FFFFFF;
    background: url("../image/traders_banner.png") no-repeat center;
}
.product-center .nav-box {
    width: 100%;
    height: 60px;
    background: #FFF;
    position: fixed;
    z-index: 99;
    top: 0;
    left: 0;
    box-shadow: 0px 2px 40px 0px #D6DEE6;
    display: flex;
    justify-content: center;
    align-items: center;
}
.product-center .nav-box .nav {
    width: 1200px;
    margin-left: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.product-center .nav-box .nav > div {
    display: flex;
    align-items: center;
}
.product-center .nav-box .nav > div .nav-title {
    height: 60px;
    font-size: 16px;
    font-family: "alipuhui-light";
    font-weight: 300;
    color: #333333;
    line-height: 60px;
    margin-right: 35px;
}
.product-center .nav-box .nav > div > span {
    color: #DBDBDB;
    display: flex;
    align-items: center;
}
.product-center .nav-box .nav > div > ul {
    list-style: none;
    height: 60px;
    line-height: 60px;
    padding: 0;
    margin: 0 0 0 35px;
}
.product-center .nav-box .nav > div > ul li {
    float: left;
    height: 60px;
    line-height: 60px;
    padding: 0 26px;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    cursor: pointer;
}
.product-center .nav-box .nav > div > ul .active {
    border-bottom: 3px solid #2D8DCD;
}
.product-center .nav-box .nav .contact {
    display: inline-block;
    width: 140px;
    height: 35px;
    line-height: 35px;
    background: #FF7240;
    color: #FFF;
    float: right;
    margin-left: 20px;
    font-size: 15px;
}
.product-center .jianjie-back {
    width: 100%;
    height: 88px;
    margin-top: 10px;
    background: url("../image/kuangshan_back.png") no-repeat center;
}
.product-center .jianjie {
    font-family: "alipuhui-light";
    width: 1125px;
    background: #FFFFFF;
    font-size: 34px;
    font-weight: 300;
    color: #333333;
    line-height: 50px;
    text-align: left;
    padding: 56px 112px;
    position: relative;
}
.product-center .top-150 {
    top: -150px;
}
.product-center .title {
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.product-center .title .title-front {
    width: 228px;
    height: 1px;
    background: linear-gradient(90deg, rgba(232, 232, 232, 0) 0%, #C8C8C8 100%);
}
.product-center .title .title-font {
    width: auto;
    height: 33px;
    font-size: 24px;
    font-weight: 400;
    color: #333333;
    line-height: 33px;
    margin: 0 25px;
}
.product-center .title .title-last {
    width: 228px;
    height: 1px;
    background: linear-gradient(90deg, #C8C8C8 0%, rgba(232, 232, 232, 0) 100%);
}
.product-center .tongdian {
    position: relative;
    margin-top: 100px;
}
.product-center .tongdian_content {
    width: 1200px;
}
.product-center .tongdian_content > div {
    display: flex;
    align-items: center;
    margin-top: 60px;
}
.product-center .tongdian_content > div img {
    width: 592px;
    height: 360px;
}
.product-center .tongdian_content > div > div {
    width: calc(100% - 592px);
}
.product-center .tongdian_content > div > div div {
    width: 558px;
    text-align: left;
}
.product-center .tongdian_content > div > div .item:nth-child(2) {
    margin-top: 40px;
}
.product-center .tongdian_content > div > div .item_title {
    font-size: 18px;
    font-weight: 600;
    color: #333333;
    line-height: 25px;
}
.product-center .tongdian_content > div > div .item_content {
    font-size: 14px;
    font-weight: 500;
    color: #666666;
    line-height: 23px;
    margin-top: 10px;
}
.product-center .tongdian_content .box_left > div {
    padding-left: 50px;
}
.product-center .tongdian_content .box_right > div {
    padding-right: 50px;
}
.product-center .jiagou {
    margin-top: 150px;
}
.product-center .jiatou_subtitle {
    width: 1200px;
    height: 22px;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    line-height: 22px;
    margin-top: 20px;
}
.product-center .jiatou_image {
    width: 1200px;
    margin-top: 50px;
}
.product-center .jiatou_image img {
    width: 100%;
}
.product-center .jiazhi {
    margin-top: 100px;
}
.product-center .jiazhi .title-front {
    background: linear-gradient(90deg, #FFFFFF 0%, #62A9D8 100%);
}
.product-center .jiazhi .title-last {
    background: linear-gradient(90deg, #62A9D8 0%, #FFFFFF 100%);
}
.product-center .jiazhi_content {
    margin-top: 85px;
}
.product-center .jiazhi_content .list .product {
    width: 286px;
    height: 286px;
    float: left;
    background: #FFF;
    cursor: pointer;
    box-shadow: 0px 2px 13px 0px #E9EFF5;
}
.product-center .jiazhi_content .list .product > div:nth-child(1) {
    width: 286px;
    height: 118px;
    overflow: hidden;
}
.product-center .jiazhi_content .list .product > div:nth-child(1) img {
    width: 286px;
    height: 118px;
    transition: all 0.5s;
    -ms-transition: all 0.5s;
}
.product-center .jiazhi_content .list .product > div:nth-child(2) {
    width: 286px;
    text-align: left;
    font-size: 16px;
    font-weight: 400;
    color: #333333;
    padding: 15px 20px 15px 20px;
}
.product-center .jiazhi_content .list .product > div:nth-child(2) > div:nth-child(1) {
    height: 22px;
    font-size: 15px;
    font-family: "alipuhui-medium";
    font-weight: 600;
    color: #333333;
    line-height: 22px;
}
.product-center .jiazhi_content .list .product > div:nth-child(2) > div:nth-child(2) {
    font-size: 14px;
    font-weight: 400;
    color: #666666;
    line-height: 20px;
    margin-top: 10px;
}
.product-center .jiazhi_content .list .product:hover div img {
    transform: scale(1.1);
    -ms-transform: scale(1.1);
}
.product-center .jiazhi_content .list .product:hover > div > div:nth-child(1) {
    color: #2D8DCD;
}
.product-center .liucheng {
    margin-top: 150px;
}
.product-center .liucheng .title-front {
    background: linear-gradient(90deg, #FFFFFF 0%, #62A9D8 100%);
}
.product-center .liucheng .title-last {
    background: linear-gradient(90deg, #62A9D8 0%, #FFFFFF 100%);
}
.product-center .liucheng_content {
    width: 1200px;
    display: flex;
    justify-content: space-between;
    margin-top: 90px;
}
.product-center .liucheng_content div {
    float: left;
}
.product-center .liucheng_content .liucheng_item {
    width: 140px;
    text-align: center;
}
.product-center .liucheng_content .liucheng_item div {
    width: 100%;
    display: flex;
    justify-content: center;
}
.product-center .liucheng_content .liucheng_item div img {
    width: 53px;
    height: 52px;
}
.product-center .liucheng_content .liucheng_item span {
    display: inline-block;
    margin-top: 30px;
    height: 20px;
    font-size: 14px;
    font-weight: 400;
    color: #666666;
    line-height: 20px;
}
.product-center .liucheng_content .liucheng_arrow {
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}
.product-center .liucheng_content .liucheng_arrow img {
    width: 13px;
    height: 23px;
}
.product-center .programme_contact {
    width: 100%;
    height: 385px;
    margin-top: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: url("../image/programme_contact.png") no-repeat center;
    background-size: cover;
}
.product-center .programme_contact .left {
    width: 1200px;
    text-align: left;
}
.product-center .programme_contact .left div:nth-child(1), .product-center .programme_contact .left div:nth-child(2) {
    height: 54px;
    font-size: 36px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 54px;
}
.product-center .programme_contact .left div:nth-child(3) {
    width: 144px;
    height: 37px;
    background: #FF7240;
    font-size: 16px;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 37px;
    text-align: center;
    margin-top: 23px;
    cursor: pointer;
}
.product-center .programme_contact .left div:nth-child(3):hover {
    background: #E34710;
}