* {
    margin: 0px;
    padding: 0px
}

body {
    font: 12px/1.5 tahoma, arial, Microsoft YaHei, sans-serif
}

li {
    list-style: none
}

img {
    display: block;
    border: none
}

label {
    cursor: pointer
}

input[type=checkbox] {
    cursor: pointer
}

.w {
    width: 100%;
    min-width: 1360px;
    overflow: hidden
}

.sw {
    width: 1360px;
    margin: 0 auto
}

.flex_row_sb {
    display: flex;
    justify-content: space-between;
    align-items: center
}

.flex_row_sa {
    display: flex;
    justify-content: space-around;
    align-items: center
}

.flex_row_center {
    display: flex;
    justify-content: center;
    align-items: center
}

.flex_row_left {
    display: flex;
    justify-content: flex-start;
    align-items: center
}

.flex_row_right {
    display: flex;
    justify-content: flex-end;
    align-items: center
}

.flex_column_sb {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center
}

.flex_column_sa {
    display: flex;
    flex-direction: column;
    justify-content: space-around;
    align-items: center
}

.flex_column_center {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center
}

.flex_column_top {
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center
}

.flex_column_bottom {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-items: center
}

.flex_block {
    flex-shrink: 0;
    flex-grow: 0
}

.flex_auto {
    flex-shrink: 1;
    flex-grow: 1
}

.text_of_1 {
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden
}

.text_of_2 {
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical
}

.text_of_3 {
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 3;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical
}

.text_of_4 {
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 4;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical
}

.text_of_5 {
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 5;
    word-break: break-all;
    display: -webkit-box;
    -webkit-box-orient: vertical
}

a {
    text-decoration: none !important
}

.header_pc {
    position: fixed;
    top: 0px;
    z-index: 99;
    box-shadow: 0px 0px 10px #ccc;
}

.header_pc .header-t {
    width: 100%;
    height: 30px;
    background: #343433;
    overflow: hidden;
    transition: all .5s ease;
    opacity: 1
}

.header_pc .header-t .header-t_c {
    height: 100%
}

.header_pc .header-t .header-t_c>span {
    color: #fff;
    font-size: 12px
}

.header_pc .header-b {
    width: 100%;
    height: 100px;
    background: #fff
}

.header_pc .header-b .header-b_c {
    height: 100%
}

.header_pc .header-b .header-b_c .logo_c {
    width: auto;
    height: 75px
}

.header_pc .header-b .header-b_c .public_nav {
    height: 100%
}

.header_pc .header-b .header-b_c .public_nav .nav_box {
    width: 136px;
    height: 100%;
    box-sizing: border-box;
    border-right: 1px solid #eee;
    transition: all .5s ease
}

.header_pc .header-b .header-b_c .public_nav .nav_box:nth-child(1) {
    border-left: 1px solid #eee
}

.header_pc .header-b .header-b_c .public_nav .nav_box .navContent>span {
    color: #000;
    font-size: 16px;

}

.header_pc .header-b .header-b_c .public_nav .nav_box .navContent>span:nth-child(2) {
    font-style: oblique;
    margin-top: 2px;
    font-size: 14px;
}

.header_pc .header-b .header-b_c .public_nav .nav_box:hover {
    background: #d20a05;
    border-color: #d20a05
}

.header_pc .header-b .header-b_c .public_nav .nav_box:hover .navContent>span {
    color: #fff
}

.change .header-t {
    opacity: 0;
    height: 0
}

.public_lb .swiper-slide {
    width: 100%
}

.public_lb .swiper-slide>img {
    width: 100%;
    height: auto
}

.guanggao1 {
    width: 100%;
    height: 150px
}

.guanggao1>img {
    width: auto;
    height: 100%
}

.engineering {
    width: 100%
}

.engineering .public_title {
    height: 185px
}

.engineering .engineer_nav {
    height: 130px;
    margin-bottom: 20px
}

.engineering .engineer_nav .engineer_nav_box {
    width: 165px;
    height: 100%;
    transition: all .5s ease;
    background: #e5ebf4;
    cursor: pointer
}

.engineering .engineer_nav .engineer_nav_box .nav_content .nav_icon {
    width: 70px;
    height: 70px;
    border-radius: 100%;
    transition: all .5s ease;
    margin-bottom: 10px
}

.engineering .engineer_nav .engineer_nav_box .nav_content>span {
    font-size: 18px;
    color: #1758b9;
    line-height: 18px;
    transition: all .5s ease
}

.engineering .engineer_nav .activated_btn {
    background: #1758b9
}

.engineering .engineer_nav .activated_btn .nav_content .nav_icon {
    background: #fff;
    box-shadow: 0px 0px 10px #eee
}

.engineering .engineer_nav .activated_btn .nav_content>span {
    color: #fff
}

.engineering .engineerContent {
    width: 100%;
    height: 380px;
    position: relative
}

.engineering .engineerContent .engineer_maxBox {
    height: 100%;
    width: 100%;
    position: absolute;
    z-index: 0;
    opacity: 0;
    transition: all .5s ease
}



.engineering .engineerContent .engineer_maxBox .engineerBox {
    display: block;
    width: 434px;
    height: 100%;
    margin-right: 29px
}

.engineering .engineerContent .engineer_maxBox .engineerBox .engineer_mask {
    width: 100%;
    height: 330px;
    overflow: hidden
}

.engineering .engineerContent .engineer_maxBox .engineerBox .engineer_mask>img {
    height: 100%;
    width: auto;
    transition: all .5s ease
}

.engineering .engineerContent .engineer_maxBox .engineerBox .engineer_text {
    width: 100%;
    height: 50px;
    background: #1758b9;
    text-align: center;
    font-size: 20px;
    color: #fff;
    line-height: 50px;
    transition: all .5s ease
}

.engineer_maxBoxs {
    flex-wrap: wrap;
    transition: all .5s ease
}
.engineer_maxBoxs .engineerBox {
    display: block;
    width: 434px;
    height: 100%;
    margin-right: 29px;
    margin-top: 30px;
    box-sizing: border-box;
    border: 1px solid #1758b9;
}
.engineer_maxBoxs .engineerBox:nth-child(3n) {
   margin-right: 0;
}

.engineer_maxBoxs .engineerBox .engineer_mask {
    width: 100%;
    height: 435px;
    overflow: hidden
}

.engineer_maxBoxs .engineerBox .engineer_mask>img {
    height: 100%;
    width: auto;
    transition: all .5s ease
}

.engineer_maxBoxs .engineerBox .engineer_text {
    width: 100%;
    height: 50px;
    background: #1758b9;
    text-align: center;
    font-size: 20px;
    color: #fff;
    line-height: 50px;
    transition: all .5s ease
}

.engineer_maxBox .engineerBox:last-child {
    margin-right: 0px
}

.engineer_maxBox .engineerBox:hover .engineer_mask>img {
    transform: scale(1.1, 1.1)
}

.engineer_maxBox .engineerBox:hover .engineer_text {
    background: #d10a05
}
.engineer_maxBoxs .engineerBox:hover .engineer_mask>img {
    transform: scale(1.1, 1.1)
}

.engineer_maxBoxs .engineerBox:hover .engineer_text {
    background: #d10a05
}

.engineering .engineerMore {
    width: 100%;
    height: 175px
}

.public_more {
    display: block;
    width: 140px;
    height: 46px;
    transition: all .5s ease
}

.public_more>img {
    width: 100%;
    height: 100%
}

.public_more:hover {
    transform: scale(1.1, 1.1)
}

.activateds {
    z-index: 1 !important;
    opacity: 1 !important
}

.public_title {
    width: 100%
}

.public_title .title_c>span {
    font-size: 16px;
    color: #000;
    font-weight: bold;
    letter-spacing: 3px;
    line-height: 20px
}

.public_title .title_c .title_bottom .title_border {
    width: 85px;
    border-bottom: 1px solid #b2b2b2
}

.public_title .title_c .title_bottom .title_m .text_border {
    width: 50px;
    border-bottom: 5px solid #1758b9
}

.public_title .title_c .title_bottom .title_m>span {
    font-size: 38px;
    font-weight: bold;
    color: #1758b9;
    margin: 0 30px
}

.aboutUs_index {
    height: 547px;
    width: 100%;
    background-image: url(../images/aboutUs_background.jpg);
    background-size: cover;
    background-position: center
}

.aboutUs_index .aboutUs_c {
    height: 100%;
    position: relative
}

.aboutUs_index .aboutUs_c .aboutUs_text {
    width: 680px;
    height: auto;
    font-size: 18px;
    color: #fff;
    text-indent: 2em;
    top: 180px;
    position: absolute;
    letter-spacing: .5px;
    line-height: 30px
}

.aboutUs_index .aboutUs_c .public_more {
    position: absolute;
    bottom: 60px
}

.advantage {
    width: 100%
}

.advantage .public_title {
    height: 135px
}

.advantage .advantage_mask {
    height: 713px;
    width: 100%;
    overflow: hidden
}

.news_index {
    width: 100%;
    padding-bottom: 30px
}

.news_index .public_title {
    height: 190px
}

.news_index .newsContent {
    height: auto;
    align-items: flex-start;
}

.news_index .newsContent .news_L {
    width: 520px;
    display: block;
    transition: all .5s ease
}

.news_index .newsContent .news_L .newsL_mask {
    width: 100%;
    height: 355px;
    overflow: hidden
}

.news_index .newsContent .news_L .newsL_mask>img {
    height: 100%;
    width: auto;
    transition: all .5s ease
}

.news_index .newsContent .news_L .newsL_text {
    width: 100%;
    padding: 20px;
    background: #f3f6fb
}

.news_index .newsContent .news_L .newsL_text .time_newsL {
    width: 75px;
    height: 75px;
    background: #1758b9;
    margin-right: 10px
}

.news_index .newsContent .news_L .newsL_text .time_newsL .time_c>span {
    color: #fff
}

.news_index .newsContent .news_L .newsL_text .time_newsL .time_c>span:nth-child(1) {
    font-size: 36px;
    font-weight: bold;
    line-height: 36px;
    margin-bottom: 5px
}

.news_index .newsContent .news_L .newsL_text .time_newsL .time_c>span:nth-child(2) {
    font-size: 14px;
    line-height: 14px
}

.news_index .newsContent .news_L .newsL_text .newsLContent {
    width: 390px;
    position: relative
}

.news_index .newsContent .news_L .newsL_text .newsLContent .newsL_title {
    width: 100%;
    font-size: 16px;
    color: #1758b9;
    font-weight: bold
}

.news_index .newsContent .news_L .newsL_text .newsLContent .newsL_tdes {
    color: #666;
    font-size: 14px
}

.news_index .newsContent .news_L .newsL_text .newsLContent .newsL_more {
    position: absolute;
    right: 0px;
    font-size: 14px;
    bottom: -20px;
    color: #1758b9
}

.news_index .newsContent .news_L:hover {
    box-shadow: 3px 3px 10px #ccc
}

.news_index .newsContent .news_L:hover .newsL_mask>img {
    transform: scale(1.1, 1.1)
}

.news_index .newsContent .news_R {
    width: 807px
}

.news_index .newsContent .news_R .newsBox {
    width: 100%;
    position: relative;
    padding-bottom: 15px;
    border-bottom: 1px dashed #ddd;
    margin-bottom: 15px
}

.news_index .newsContent .news_R .newsBox .newsMask {
    width: 127px;
    height: 90px;
    overflow: hidden
}

.news_index .newsContent .news_R .newsBox .newsMask>img {
    height: 100%;
    width: auto;
    transition: all .5s ease
}

.news_index .newsContent .news_R .newsBox .newsText {
    width: 664px;
    margin-bottom: 10px
}

.news_index .newsContent .news_R .newsBox .newsText .text_t {
    width: 100%;
    margin-bottom: 5px
}

.news_index .newsContent .news_R .newsBox .newsText .text_t .news_title {
    width: 540px;
    font-size: 16px;
    color: #000;
    transition: all .5s ease
}

.news_index .newsContent .news_R .newsBox .newsText .text_t .news_titme {
    font-size: 12px;
    color: #666
}

.news_index .newsContent .news_R .newsBox .newsText .text_content {
    width: 100%;
    font-size: 14px;
    color: #666;
    letter-spacing: 1.5px
}

.news_index .newsContent .news_R .newsBox .lednf_more {
    position: absolute;
    right: 5px;
    bottom: 5px;
    font-size: 16px;
    color: #1758b9
}

.news_index .newsContent .news_R .newsBox:hover .newsMask>img {
    transform: scale(1.1, 1.1)
}

.news_index .newsContent .news_R .newsBox:hover .newsText .text_t .news_title {
    color: #1758b9;
    font-weight: bold
}

.news_index .newsContent .news_R .newsBox:last-child {
    margin-bottom: 0px
}

.caseShow {
    padding: 35px 0px 90px 0px;
    background-image: url(../images/caseShows_background.jpg);
    background-size: cover;
    background-position: center
}

.caseShow .public_title {
    height: 140px
}

#certify {
    position: relative;
    margin: 0 auto;
    padding-bottom: 30px
}

#certify .swiper-slide {
    width: 520px;
    height: 300px;
    background: #fff;
    overflow: hidden
}

#certify .swiper-slide img {
    width: 100%;
    height: auto;
}

#certify .swiper-button-prev {
    left: 45px;
    width: 70px;
    height: 70px;
    background: #fff;
    border-radius: 100%;
    outline: none;
    top: 45%
}

#certify .swiper-button-next {
    right: 45px;
    width: 70px;
    height: 70px;
    background: #fff;
    border-radius: 100%;
    outline: none;
    top: 45%
}

#certify .swiper-button-prev::after {
    color: #1758b9
}

.cooperative {
    width: 100%;
    padding-bottom: 70px
}

.cooperative .public_title {
    height: 185px
}

.cooperative .cooperative_c {
    flex-wrap: wrap
}

.cooperative .cooperative_c .cooperative_box {
    width: 300px;
    height: 100px;
    margin-right: 53px;
    margin-bottom: 20px;
    box-sizing: border-box;
    border: 1px solid #ccc
}

.cooperative .cooperative_c .cooperative_box>img {
    width: 100%;
    height: 100%
}

.cooperative .cooperative_c .cooperative_box:nth-child(4n) {
    margin-right: 0px
}

.footerContent {
    padding: 33px 0px;
    background-image: url(../images/footer_background.png);
    background-size: cover;
    background-position: center
}

.footerContent_c {
    padding: 30px 80px 30px 250px;
    align-items: flex-start;
    position: relative
}

.footerContent_c .footer_nav .nav_c {
    width: 270px;
    flex-wrap: wrap
}

.footerContent_c .footer_nav .nav_c>a {
    display: block;
    width: 80px;
    margin-bottom: 20px;
    font-size: 14px;
    color: #fff;
    letter-spacing: 2px;
    transition: all .5s ease
}

.footerContent_c .footer_nav .nav_c>a:hover {
    transform: scale(1.1, 1.1)
}

.footerContent_c .footer_contact .contact_c .contactBox {
    margin-bottom: 20px
}

.footerContent_c .footer_contact .contact_c .contactBox>img {
    margin-right: 15px
}

.footerContent_c .footer_contact .contact_c .contactBox>span {
    color: #fff;
    font-size: 14px
}

.footerContent_c .footer_contact .contact_c .contactBox:nth-child(2)>img {
    margin-left: 1px
}

.footerContent_c .weixin_mask {
    width: 105px;
    height: 105px;
    box-sizing: border-box;
    padding: 5px;
    overflow: hidden;
    background: #fff
}

.footerContent_c .weixin_mask>img {
    width: 100%;
    height: 100%
}

.footerContent_c .logo2 {
    position: absolute;
    left: 0px;
    bottom: 50px
}

.footer_title {
    margin-bottom: 25px
}

.footer_title>span {
    display: block;
    font-size: 16px;
    color: #fff;
    margin-bottom: 25px
}

.footer_title>.lednen {
    width: 35px;
    border-bottom: 2px solid #fff
}

.productListContent {
    padding-top: 35px
}

.productListContent .bread .breadContent {
    width: 100%;
    padding-bottom: 15px;
    border-bottom: 2px solid #1758b9
}

.productListContent .ListContent {
    flex-wrap: wrap
}

.productListContent .ListContent .listBox {
    width: 440px;
    transition: all .5s ease;
    margin-right: 20px;
    margin-bottom: 30px
}

.productListContent .ListContent .listBox:nth-child(3n) {
    margin-right: 0px
}

.productListContent .ListContent .listBox .listMask {
    width: 100%;
    height: 340px;
    overflow: hidden
}

.productListContent .ListContent .listBox .listMask>img {
    height: 100%;
    width: auto;
    transition: all 1s ease
}

.productListContent .ListContent .listBox .listText {
    width: 100%;
    height: 105px;
    background: #eee;
    transition: all .5s ease
}

.productListContent .ListContent .listBox .listText .textContent .productName {
    padding: 0 30px;
    padding-bottom: 5px;
    border-bottom: 1px solid #ccc;
    letter-spacing: 1px;
    font-size: 18px;
    color: #000;
    margin-bottom: 10px
}

.productListContent .ListContent .listBox .listText .textContent .listMore {
    color: #ccc
}

.productListContent .ListContent .listBox .listText .textContent .listMore>span {
    font-size: 18px;
    margin-right: 10px
}

.productListContent .ListContent .listBox .listText .textContent .listMore>i {
    font-size: 18px
}

.productListContent .ListContent .listBox:hover {
    box-shadow: 3px 3px 10px #ccc
}

.productListContent .ListContent .listBox:hover .listMask>img {
    transform: scale(1.1, 1.1)
}

.productListContent .ListContent .listBox:hover .listText {
    background: #1758b9
}

.productListContent .ListContent .listBox:hover .listText .productName {
    color: #ccc
}

.page {
    padding-top: 0px;
}

.dangqian {
    background: #d20a05;
    border-color: #d20a05 !important;
}

.dangqian>.navContent>span {
    color: #fff !important;
}

.classification {
    height: 100px
}

.classification .listBox .lds {
    height: 20px;
    border-left: 1px solid #ccc
}

.classification .listBox .sbfs {
    padding: 0 17px;
    margin: 0 22px;
    height: 28px;
    border: 1px solid #ccc;
    text-align: center;
    line-height: 28px;
    color: #000;
    font-size: 16px
}
.classification .listBox:nth-child(1) .lds {
    display: none
}
.fsdfsdf {
    width: 100%;
    height: 140px;
}
.bread_c .breadcrumb {
    padding: 0px;
}
.breadcrumb >li {
    font-size: 14px;
}
.sbfs.active {
    background: #1758b9;
    border-color: #1758b9 !important;
    color: #fff !important;
}

.qualification {
    width: 100%;
    background-image: url(../images/qualification_background.jpg);
    background-size: cover;
    background-position: center;
    margin-top: 30px; 
    padding-bottom: 70px;
}

.qualification>.public_title {
    height: 140px;
}
.qualification_c .swiper-slide {
    border: 1px solid #1758b9;
    box-sizing: border-box;
    overflow: hidden;
}
.qualification_c .swiper-slide >img {
    width: 100%;
}

.shipds {
    width: 651px;
    height: 434px;
    position: absolute;
    background: rgba(0, 0, 0, 0.5);
    right: 0px;
    top: 80px;
    cursor: pointer;
}

.shipds> i {
    font-size: 80px;
    color: #fff;
    transition: all 0.5s ease;
}

.shipds:hover > i {
    transform: scale(1.2,1.2);
}