* {
    margin: 0;
    padding: 0;
    font-size: .8333vw;
    box-sizing: border-box;
    font-family: "PingFangSC-Medium, PingFang SC"
}

a {
    text-decoration: none
}

li {
    list-style: none
}

.W {
    padding: 0 11.9792vw
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5.2083vw;
    color: #000
}
ol, ul{
    padding-left: 0;
}
header .header__logo {
    width: auto;
    height: 2.3438vw;
    cursor: pointer
}

header .header__nav {
    height: inherit
}

header .header__nav__wrapper {
    display: flex;
    height: 100%
}

header .header__nav__wrapper > li {
    position: relative;
    display: flex;
    align-items: center;
    margin-right: 3.625vw;
    font-weight: 500;
    cursor: pointer
}

header .header__nav__wrapper > li:last-child {
    margin-right: 0
}

header .header__nav__wrapper > li > a {
    display: flex;
    align-items: center;
    width: inherit;
    height: 100%;
    color: #000
}

header .header__nav__wrapper > li > a:hover {
    color: #013988
}

header .header__nav__wrapper > li:hover {
    color: #013988
}

header .header__nav__wrapper > li:before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 3px;
    background: #013988;
    transition: all .3s
}

header .header__nav__wrapper .active{
    border-bottom: 3px solid #013988;
    color: #013988;
}

header .header__nav__wrapper > li:hover:before {
    width: 100%;
    left: 0;
    right: 0
}

header .header__btn-container > ul {
    display: flex
}

header .header__btn-container > ul > li {
    width: 3.9063vw;
    height: 1.8229vw;
    text-align: center;
    line-height: 1.8229vw;
    border-radius: 4px;
    margin-right: .2604vw;
    cursor: pointer;
    transition: all .3s ease-in-out
}

header .header__btn-container > ul > li:last-child {
    margin-right: 0
}

header .header__btn-container > ul > li:hover {
    background: #013988;
    color: #fff
}

footer {
    height: 13.2813vw;
    background: #001a3e;
    color: #fff
}

.footer__main {
    display: flex;
    justify-content: space-between;
    margin-bottom: 3.125vw;
    padding-top: 3.125vw
}

.footer__logo {
    width: 9.6354vw;
    height: 3.125vw;
    cursor: pointer
}

.footer__nav {
    height: 3.125vw;
    line-height: 3.125vw
}

.footer__nav__wrapper {
    display: flex;
    align-items: center
}

.footer__nav__wrapper > li {
    position: relative;
    margin-right: 2.6042vw;
    cursor: pointer;
    transition: color .3s ease-in-out
}

.footer__nav__wrapper > li:last-child {
    margin-right: 0
}

.footer__nav__wrapper > li > a {
    display: flex;
    align-items: center;
    width: inherit;
    height: 100%;
    color: #fff
}

.footer__nav__wrapper > li:before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 0;
    width: 0;
    height: 3px;
    background: #fff;
    transition: all .3s
}

.footer__nav__wrapper > li:hover:before {
    width: 100%;
    left: 0;
    right: 0
}

copyright {
    display: block;
    width: 100%;
    font-size: .625vw;
    text-align: center;
    padding: 1.5625vw 0;
    font-family: "IQOOTYPE-REGULAR, IQOOTYPE";
    font-weight: 400;
    color: #2b405e;
    border-top: 2px solid #2b405e
}

main .banner {
    width: 100%;
    /*height: 56.25vw*/
    height: 23.0417vw;
}

main .banner .banner_img img {
    width: 100%;
    /*height: 56.25vw*/
    height: 31.0417vw;
}

main .products_recommend {
    display: flex;
    width: 100%;
    /*height: 62.6563vw;*/
    max-height: 78.6563vw;
    background: url(../images/product_recommend_bg.png) no-repeat center;
    background-size: cover
}

main .products_recommend .W .products_recommend_content {
    width: 100%;
    margin-top: 6.25vw
}

main .products_recommend .W .products_recommend_content .products_recommend_title {
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #080a0f;
    font-size: 2.0833vw
}

main .products_recommend .W .products_recommend_content .products_categories > .products_tab_list > ul {
    display: flex;
    margin-top: 2.0833vw
}

main .products_recommend .W .products_recommend_content .products_categories > .products_tab_list > ul > li {
    font-size: .9375vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #6c6c6c;
    margin-left: 4.4792vw;
    padding: .8854vw 0;
    cursor: pointer
}

main .products_recommend .W .products_recommend_content .products_categories > .products_tab_list > ul > li:first-of-type {
    margin-left: 0
}

main .products_recommend .W .products_recommend_content .products_categories > .products_tab_list > ul .active {
    font-size: 1.1458vw;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #013988;
    border-bottom: 4px solid #013988
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content {
    margin-top: 2.6042vw
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div {
    display: none
}
.pagination{
    justify-content: space-between;
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul {
    display: flex;
    flex-wrap: wrap;
    /*justify-content: space-between*/
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items {
    position: relative;
    width: 18.2292vw;
    height: 18.2292vw;
    margin: .5208vw 0
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items > img {
    width: 100%;
    height: 100%
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items > .mask {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 0;
    left: 0;
    width: 18.2292vw;
    height: 18.2292vw;
    padding: 2.6042vw 1.5625vw;
    background-color: #013988;
    z-index: 1;
    opacity: 0;
    transition: all .3s linear
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items > .mask .product_name {
    font-size: .8333vw;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #fff;
    line-height: 1.1458vw;
    max-height: 5.6458vw;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 4
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items > .mask .line {
    margin-top: 1.0625vw;
    width: 15.1042vw;
    height: .0521vw;
    background: rgba(255, 255, 255, .25)
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items > .mask .product_description {
    width: 15.1042vw;
    height: 3.125vw;
    font-size: .7292vw;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #a2b2ce;
    line-height: 1.0417vw;
    margin-top: 1.0833vw;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items > .mask .check_detail {
    display: flex;
    align-items: center;
    font-size: .625vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #a2b2ce;
    margin-top: 2.125vw;
    cursor: pointer
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items > .mask .check_detail > img {
    width: .7813vw;
    height: .4167vw;
    margin-left: .2604vw
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div ul li.products_items:hover > .mask {
    opacity: 1
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content .show {
    display: block
}

main .products_recommend .W .circle {
    display: flex;
    justify-content: space-between;
    height: 1.5625vw;
    align-items: center;
    margin-top: 2.0833vw
}

main .products_recommend .W .circle ul {
    height: 1.0417vw;
    display: flex;
    align-items: center
}

main .products_recommend .W .circle ul > li {
    display: flex;
    align-items: center;
    justify-content: center;
    width: .5208vw;
    height: .5208vw;
    background: #6c6c6c;
    opacity: .5;
    border-radius: 100%;
    margin-right: .2604vw;
    cursor: pointer
}

main .products_recommend .W .circle ul .current_circle {
    width: .7813vw;
    height: .7813vw;
    border: .1042vw solid #333;
    border-radius: 100%;
    background: none;
    opacity: 1
}

main .products_recommend .W .circle .page {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 1.0417vw
}

main .products_recommend .W .circle .page > div {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 1.0417vw;
    height: 1.0417vw;
    cursor: pointer
}

main .products_recommend .W .circle .page > div > img {
    width: .5208vw;
    height: .9375vw
}

main .products_recommend .W .circle .page > span {
    margin: 0 .5208vw;
    color: #333;
    font-size: .9375vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500
}



main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul {
    /*display: flex;*/
    flex-wrap: wrap;
    /*display: none;*/
    gap: 1vw;
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div .show{
    display: flex;
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul > li {
    display: flex;
    flex-direction: column;
    width: 17.8125vw;
    height: 28.6458vw;
    font-size: 1.0417vw;
    font-weight: 500;
    background: #fff;
    /*margin-right: 1.5625vw;*/
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul > li img {
    width: 17.7083vw;
    max-width: 100%;
    height: 17.7083vw
}
main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul > li:nth-of-type(4n){
    margin-right: 0;
    /*width: calc((100% - 1.5625vw*3)/4);*/
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul > li:nth-of-type(n + 5) {
    /*margin-top: 1.5625vw*/
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .item__bottom {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.4583vw 1.0417vw
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .text__container {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .text__container .product__name {
    color: #013988;
    margin-bottom: .5208vw
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .text__container .product__itemName {
    color: #333;
    margin-bottom: .5208vw
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .text__container .product__des {
    width: 100%;
    font-size: .7292vw;
    font-weight: 400;
    color: #ccc;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .button__wrapper {
    display: flex;
    align-items: center;
    color: #333;
    padding: .2083vw .8333vw;
    font-size: .7292vw;
    border-radius: .7813vw;
    border: .0521vw solid #ccc;
    cursor: pointer;
    transition: all .2s ease-in
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .button__wrapper img {
    width: .7813vw;
    height: .4167vw;
    margin-left: .2604vw
}

main .products_recommend .W .products_recommend_content .products_categories > #products_tab_content > div > ul .button__wrapper:hover {
    color: #0a408c;
    border-color: #0a408c
}


main .technical_services {
    display: flex;
    width: 100%;
    /*height: 44.4271vw*/
    height: auto;
}

main .technical_services > .left {
    width: 33.85vw;
    /*height: 44.4271vw;*/
    height: auto;
    background: url(../images/technical_services_bg.png) repeat-y;
    background-size: cover
}

main .technical_services > .left .content {
    display: flex;
    flex-direction: column;
    margin: 6.25vw 5.2083vw 3.75vw 11.9792vw
}

main .technical_services > .left .content > .left_title {
    width: 8.3333vw;
    font-size: 2.0833vw;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #080a0f;
    line-height: 2.0833vw
}

main .technical_services > .left .content > .left_second_title {
    width: 11.6667vw;
    font-size: .8333vw;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #909090;
    line-height: .8333vw;
    letter-spacing: .8333vw;
    margin-top: .8333vw
}

main .technical_services > .left .content > .left_description {
    width: 16.6667vw;
    font-size: .8333vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333;
    line-height: 1.875vw;
    margin-top: 2.0833vw
}

main .technical_services > .left .content > .check_detail {
    display: flex;
    align-items: center;
    font-size: .625vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333;
    margin-top: 1.5625vw;
    cursor: pointer
}

main .technical_services > .left .content > .check_detail > img {
    width: .7813vw;
    height: .4167vw
}

main .technical_services > .left .content .logo {
    width: 7.5vw;
    height: .6367vw;
    margin-top: 3.4375vw
}

main .technical_services > .left .content .logo > img {
    width: 7.5vw;
    height: 11.6667vw
}

main .technical_services > .right {
    display: flex;
    width: 66.1458vw;
    min-height: 44.4271vw;
    height: auto;
    background: url(../images/service_right.png) repeat-y center;
    background-size: 66.1458vw 44.4271vw
}

main .technical_services > .right .service_content {
    margin-top: 6.25vw;
    margin-left: 6.25vw
}

main .technical_services > .right .service_content > ul {
    width: 47.9167vw;
    display: flex;
    flex-wrap: wrap
}

main .technical_services > .right .service_content > ul > li.service_items {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 15.9375vw;
    height: 15.9375vw;
    cursor: pointer
}

main .technical_services > .right .service_content > ul > li.service_items > div {
    margin-left: 2.0833vw
}

main .technical_services > .right .service_content > ul > li.service_items > .img_box {
    width: 2.7083vw;
    height: 2.7083vw;
    margin-top: 3.125vw
}

main .technical_services > .right .service_content > ul > li.service_items > .img_box > img {
    width: 100%;
    height: 100%
}

main .technical_services > .right .service_content > ul > li.service_items > .service_info {
    font-size: .8333vw;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #fff;
    margin-top: 5.2083vw
}

main .technical_services > .right .service_content > ul > li.service_items > .service_info_en {
    font-size: .5208vw;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #a2b2ce;
    margin-top: .3125vw
}

main .technical_services > .right .service_content > ul > li.service_items > .mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 15.9375vw;
    margin-left: 0;
    background: rgba(255, 255, 255, .25);
    transition: all .3s linear;
    overflow: hidden
}

main .technical_services > .right .service_content > ul > li.service_items > .mask > img {
    position: absolute;
    right: 2.0833vw;
    bottom: 3.75vw;
    width: 30px;
    height: 16px
}

main .technical_services > .right .service_content > ul > li.service_items:hover .mask {
    width: 15.9375vw
}

main .about_us {
    width: 100%;
    /*height: 52.0833vw;*/
    height: 38.0833vw;
    background: url(../images/about_us.png) no-repeat center;
    background-size: cover
}

main .about_us .W .content {
    display: flex;
    flex-direction: column
}

main .about_us .W .content .info {
    display: flex;
    margin-top: 6.25vw
}

main .about_us .W .content .info .aside {
    width: 38.0208vw;
    height: 28.6458vw
}

main .about_us .W .content .info .aside > img {
    width: 38.0208vw;
    height: 28.6458vw
}

main .about_us .W .content .info .us_info {
    flex: 1;
    /*height: 28.6458vw;*/
    display: flex;
    flex-direction: column
}

main .about_us .W .content .info .us_info > div {
    margin-left: 5.2083vw
}

main .about_us .W .content .info .us_info > .title {
    height: 2.0833vw;
    font-size: 2.0833vw;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #080a0f;
    line-height: 2.0833vw;
    margin-top: 3.0729vw
}

main .about_us .W .content .info .us_info > .second_title {
    font-size: .8333vw;
    font-family: PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #909090;
    line-height: .8333vw;
    letter-spacing: .8333vw;
    margin-top: .8333vw
}

main .about_us .W .content .info .us_info > .description {
    /*width: 32.2917vw;*/
    font-size: .8333vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333;
    line-height: 1.875vw;
    margin-top: 2.6042vw
}

main .about_us .W .content .about_us_data {
    height: 7.7083vw
}

main .about_us .W .content .about_us_data > ul {
    display: flex;
    justify-content: space-between;
    margin-top: 3.125vw
}

main .about_us .W .content .about_us_data > ul > li {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 23.2292vw;
    height: 7.7083vw;
    background: #fff;
    box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, .02);
    border: 1px solid rgba(1, 57, 136, .1)
}

main .about_us .W .content .about_us_data > ul > li > .num {
    font-size: 1.0417vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #333;
    line-height: 1.0417vw
}

main .about_us .W .content .about_us_data > ul > li > .num > span {
    font-size: 3.125vw;
    font-family: PingFangSC-Semibold, PingFang SC;
    font-weight: 600;
    color: #333;
    line-height: 3.125vw
}

main .about_us .W .content .about_us_data > ul > li .description {
    font-size: .8333vw;
    font-family: PingFangSC-Medium, PingFang SC;
    font-weight: 500;
    color: #b4b4b4;
    line-height: 1.1458vw;
    margin-top: .625vw
}

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