.container_topnav {
    width: 100%;
}
.container_topnav .nav-bread {
    width: 1500px;
    margin: 0 auto;
    padding: 27px 15px 10px; 
}
.container_topnav .nav-bread a {
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 14px;
    color: #999999;
}
.container_top {
    width: 100%;
    height: auto;
}
.productcontainer {
    padding: 30px 15px 40px;
    width: 1500px;
    height: 660px;
    margin: 0 auto;
    display: flex;
}

.productcontainer .productcontainer_left {
    width: 501px;
    height: 100%;
}

.productcontainer .productcontainer_left .productcontainer_lefttop {
    border: 1px solid #dedede;
    background-color: #f3f3f3;
}

.productcontainer .productcontainer_left .productcontainer_lefttop .swiper-container {
    width: 100%;
}

.productcontainer .productcontainer_left .productcontainer_lefttop .swiper-slide .img-center {
    width: 100%;
    height: 501px;
    line-height: 501px;
    text-align: center;
}

.productcontainer .productcontainer_left .productcontainer_lefttop .swiper-slide .img-center img{
    display: inline-block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    vertical-align: middle;
}

.productcontainer .productcontainer_left .productcontainer_leftbottom {
    width: 100%;
    margin-top: 10px;
    position: relative;
}

.productcontainer .productcontainer_left .productcontainer_leftbottom .arrow-left {
    background: url(../images/prev_blank.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    left: 0;
    top: 50%;
    margin-top: -9px;
    width: 18px;
    height: 18px;
    z-index: 10;
}

.productcontainer .productcontainer_left .productcontainer_leftbottom .arrow-right {
    background: url(../images/next_blank.png) no-repeat;
    background-size: 100% 100%;
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -9px;
    width: 18px;
    height: 18px;
    z-index: 10;
}

.productcontainer .productcontainer_left .productcontainer_leftbottom .swiper-container {
    margin: 0 20px;
}

.productcontainer .productcontainer_left .productcontainer_leftbottom .img-center {
    height: 86px;
    border: 1px solid #dedede;
    cursor: pointer;
    position: relative;
    line-height: 86px;
    background-color: #f8f8f8;
    text-align: center;
}

.productcontainer .productcontainer_left .productcontainer_leftbottom .active-nav .img-center {
    border-color: #c7252a;
}

.productcontainer .productcontainer_left .productcontainer_leftbottom .img-center img {
    display: inline-block;
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
    vertical-align: middle;
}

.productcontainer .productcontainer_right {
    flex: 1;
    height: 100%;
    padding-left: 86px;
    display: flex;
    flex-direction: column;
}

.productcontainer .productcontainer_right .productcontainer_righttop {
    display: flex;
    flex-direction: column;
    flex: 1;
}

.productcontainer .productcontainer_right .productcontainer_righttop h1 {
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 32px;
    color: #1B438B;
    margin: 0 0 30px;
}

.productcontainer .productcontainer_right .productcontainer_righttop .productcontainer_righttop_content {
    max-height: 420px;
    overflow-y: auto;
}

.productcontainer .productcontainer_right .productcontainer_righttop .productcontainer_righttop_content::-webkit-scrollbar {
    width: 9px;
    height: 0px;
    background-color: #f0f0f0;
}

.productcontainer .productcontainer_right .productcontainer_righttop .productcontainer_righttop_content::-webkit-scrollbar-track {
    border-radius: 10px;
    background-color: #f0f0f0;
}

.productcontainer .productcontainer_right .productcontainer_righttop .productcontainer_righttop_content::-webkit-scrollbar-thumb {
    border-radius: 10px;
    background-color: #cbcbcb;
}

.productcontainer_righttop_content img, .productcontainer_righttop_content div, .productcontainer_righttop_content table{
    max-width: 100% !important;
    height: auto !important;
}

.productcontainer .productcontainer_right .productcontainer_rightbottom {
    display: flex;
    position: relative;
    margin-top: 30px;
}

.productcontainer .productcontainer_right .productcontainer_rightbottom .blue_button {
    width: 308px;
    height: 71px;
    text-align: center;
    line-height: 70px;
    background: #1B438B;
    border-radius: 3px;
    color: #fff;
    margin-right: 40px;
    font-size: 20px;
}

.productcontainer .productcontainer_right .productcontainer_rightbottom .red_button {
    width: 308px;
    height: 71px;
    text-align: center;
    line-height: 70px;
    background: #CA5752;
    border-radius: 3px;
    color: #fff;
    font-size: 20px;
}

.product_tab {
    width: 100%;
}

.product_tab.product_tab_fex {
    position: fixed;
    top: 60px;
    background: #ffffff;
    width: 100%;
    z-index: 99;
}

.product_tab .product_tab_list{
    width: 1500px;
    background: #E8ECEF;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
}
.product_tab .product_tab_list a {
    height: 50px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    font-size: 18px;
    color: #999999;
    text-decoration: none;
    white-space: nowrap;
    padding: 0 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.product_tab .product_tab_list a:hover {
    color: #999999;
}
.product_tab .product_tab_list a.active {
    color: #CA5752;
    border-bottom: 2px solid #CA5752;
}
.product_tab .product_tab_list a.active:hover {
    color: #CA5752;
}

.container_bottom {
    width: 100%;
    height: auto;
}
.product_subcontainer {
    padding: 50px 0px;
    width: 1500px;
    margin: 0 auto;
    border-top: 1px dashed #99999955;
    border-bottom: 1px dashed #99999955;
}
.product_subcontainer:first-child {
    border-top: none;
}
.product_subcontainer:last-child {
    margin-bottom: 50px;
}
.product_subcontainer .product_subcontainer_title{
    font-family: Source Han Sans CN;
    font-weight: bold;
    font-size: 18px;
    color: #333333;
    margin-bottom: 50px;
    text-align: left;
}

.product_subcontainer .news-content {
    width: 100%;
}

.product_subcontainer .news-content img, .product_subcontainer .news-content div, .product_subcontainer .news-content table{
    max-width: 100% !important;
    height: auto !important;
}

.otherproduct {
    width: 100%;
    height: auto;
}
.otherproduct_container {
    padding: 0 0 50px 0px;
    width: 1500px;
    margin: 0 auto;
}
.otherproduct_container .otherproduct_title {
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 24px;
    color: #333333;
    margin-top: 50px;
}
.otherproduct_list {
    display: flex;
    flex-wrap: wrap;
    width: 100%;
}
.otherproduct_list .otherproduct_item {
    margin: 25px 15px 0 0;
    width: 293px;
    height: 293px;
    background: #FFFFFF;
    box-shadow: 0px 0px 4px 0px rgba(0,0,0,0.13);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 10px;
}
.otherproduct_list .otherproduct_item .otherproduct_itemimg {
    max-width: 100%;
    max-height: calc(100% - 60px);
}
.otherproduct_list .otherproduct_item .otherproduct_itembtn {
    padding: 7px 13px;
    background: #FFFFFF;
    box-shadow: 0px 0px 4px 0px rgba(0,0,0,0.13);
    border-radius: 16px;
    text-align: center;
    margin: 10px 0 0 0;
}

.livemessage {
    width: 100%;
    height: auto;
}
.livemessage_container {
    padding: 0 0 50px 0px;
    width: 1500px;
    margin: 0 auto;
}
.livemessage_container .livemessage_title {
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 24px;
    color: #333333;
}
.livemessage_form {
    width: 100%;
    margin: 37px 0 0 0;
}
.livemessage_form .form_item {
    display: flex;
    width: 100%;
}
.livemessage_form .form_item input {
    flex: 1;
    margin: 0 18px 12px 0;
    height: 48px;
    border: 1px solid #99999999;
    padding: 10px 18px;
}
.livemessage_form .form_item textarea {
    flex: 1;
    margin: 0 18px 12px 0;
    height: 146px;
    border: 1px solid #99999999;
    padding: 10px 18px;
}
.livemessage_form .form_itembutton {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}
.livemessage_form .form_itembutton .subtn {
    width: 191px;
    height: 52px;
    border-radius: 26px;
    border: 1px solid #445D97;
    font-family: Microsoft YaHei;
    font-weight: 300;
    font-size: 16px;
    color: #445D97;
    background-color: #fff;
}

.main-mobile .productcontainer {
    width: 100%;
    padding: 30px 15px;
    height: auto;
    display: block;
}

.main-mobile .productcontainer .productcontainer_left {
    width: 100%;
    height: auto;
}
.main-mobile .productcontainer .productcontainer_left .productcontainer_lefttop .swiper-slide .img-center {
    height: 300px;
    line-height: 300px;
}
.main-mobile .productcontainer .productcontainer_right {
    margin: 20px 0 0;
    padding: 0;
    width: 100%;
}
.main-mobile .productcontainer .productcontainer_right .productcontainer_righttop h1 {
    font-size: 20px;
    margin-bottom: 20px;
}
.main-mobile .productcontainer .productcontainer_right .productcontainer_righttop .productcontainer_righttop_content {
    height: auto;
    max-height: none;
}
.main-mobile .productcontainer .productcontainer_right .productcontainer_rightbottom {
    justify-content: center;
    margin-top: 15px;
}
.main-mobile .productcontainer .productcontainer_right .productcontainer_rightbottom .blue_button {
    height: 50px;
    line-height: 50px;
    font-size: 16px;
}

.main-mobile .productcontainer .productcontainer_right .productcontainer_rightbottom .red_button {
    height: 50px;
    line-height: 50px;
    font-size: 16px;
}
.main-mobile .product_tab .product_tab_list {
    width: 100%;
}
.main-mobile .product_tab .product_tab_list a {
    font-size: 14px;
    margin: 0 15px;
    height: 40px;
    padding: 0 20px;
}
.main-mobile .product_subcontainer {
    width: calc(100% - 30px);
    padding: 25px 0;
    margin: 0 15px;
}
.main-mobile .product_subcontainer {
    border-top: 1px dashed #99999955;
}
.main-mobile .product_subcontainer:last-child {
    margin-bottom: 25px;
}
.main-mobile .product_subcontainer .product_subcontainer_title{
    font-size: 20px;
    margin-bottom: 20px;
    text-align: center;
}
.main-mobile .product_subcontainer .product_subcontainer_title:after {
    margin: 5px auto 0;
}
.main-mobile .otherproduct_container {
    width: 100%;
    padding: 0 15px 25px;
}
.main-mobile .otherproduct_container .otherproduct_title {
    font-size: 22px;
    margin-top: 20px;
}
.main-mobile .otherproduct_list .otherproduct_item {
    width: 200px;
    height: 200px;
}
.main-mobile .otherproduct_list .otherproduct_item .otherproduct_itembtn {
    font-size: 12px;
}
.main-mobile .livemessage_container {
    width: calc(100% - 30px);
    padding: 0 0 25px 0;
    margin: 0 15px;
}
.main-mobile .livemessage_container .livemessage_title {
    font-size: 22px;
}
.main-mobile .livemessage_form {
    margin: 15px 0 0 0;
}
.main-mobile .livemessage_form .form_item {
    flex-direction: column;
}
.main-mobile .livemessage_form .form_item input {
    margin: 0 0 10px 0;
    flex: none;
    height: 38px;
}
.main-mobile .livemessage_form .form_item textarea {
    margin: 0 0 10px 0;
    height: 100px;
    flex: none;
}
.main-mobile .livemessage_form .form_itembutton {
    margin-top: 20px;
}
.main-mobile .livemessage_form .form_itembutton .subtn {
    width: 120px;
    height: 38px;
    font-size: 14px;
}