@media screen and (max-width: 992px) {
  header {
    height: 60px;
  }
  header .navBox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 9999;
    background: rgba(0, 0, 0, 0.5);
    z-index: -1;
    opacity: 0;
    pointer-events: none;
    align-items: flex-start;
  }
  header .navBox .pcNav {
    width: 90%;
    height: 100%;
    transform: translateX(-100%);
    transition: all .3s ease-in;
    background: #fff;
  }
  header .navBox .closeBox {
    background: #fff;
    height: 60px;
    background: #fff;
    border-bottom: 1px solid #eee;
    align-items: center;
    justify-content: flex-end;
    padding-right: 30px;
    box-sizing: border-box;
    transition: all .3s ease-in;
  }
  header .navBox .closeBox .bi {
    font-size: 30px;
    color: #000;
  }
  header .navBox .navList {
    transition: all .3s ease-in;
    display: block;
    background: #fff;
  }
  header .navBox .navList .oneItem {
    margin-right: 0 !important;
    height: auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    border-bottom: 1px solid #eee;
  }
  header .navBox .navList .oneItem > a {
    line-height: 45px;
    height: 45px;
    padding-left: 1.25rem;
    flex-grow: 1;
  }
  header .navBox .navList .oneItem > a h2 {
    font-size: 16px;
    line-height: inherit;
  }
  header .navBox .navList .oneItem .bi {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 10px;
    width: 38px;
    font-size: 18px;
    flex-shrink: 0;
    transition: all .5s ease-in-out;
    flex-shrink: 0;
  }
  header .navBox .navList .oneItem.active .subItem {
    border-top: 1px solid var(--main-color);
  }
  header .navBox .navList .subItem {
    background: none;
    position: relative;
    top: unset;
    left: unset;
    height: auto;
    transform: none;
    width: 100%;
    padding-top: 0;
  }
  header .navBox .navList .subItem li {
    margin-bottom: 0 !important;
  }
  header .navBox .navList .subItem li a {
    display: block;
    height: 40px;
    padding-left: 20px;
    border-bottom: 1px solid #eee;
    line-height: 40px;
    color: #333;
    font-size: 14px;
    text-align: left;
  }
  header .navBox .navList .subItem li a::before {
    content: '>';
    line-height: 1;
    transform: scale(1.6);
    margin-right: 4px;
    font-size: 18px;
  }
  header .navBox.active {
    z-index: 99999;
    opacity: 1;
    pointer-events: all;
  }
  header .navBox.active .pcNav {
    transform: translateX(0);
  }
  header .searchBox .bi-search {
    font-size: 16px;
    margin: 0 15px 0 10px;
  }
  header .langBox {
    font-size: 16px;
    margin: 0 15px;
  }
  header .menu {
    margin-left: 10px;
    width: 25px;
    flex-direction: column;
    cursor: pointer;
  }
  header .menu span {
    display: block;
    width: 100%;
    height: 2px;
    background: #000;
  }
  header .menu span:not(:last-child) {
    margin-bottom: 6px;
  }
  footer .f-top .fnav {
    display: none;
  }
  footer .f-top .left {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  footer .f-top .left .iconList li .icoBox {
    width: 30px;
    height: 30px;
  }
  main {
    margin-top: 0;
  }
  .index .banner {
    height: 35rem;
  }
  .index .i-product {
    padding: 3.125rem 0;
  }
  .index .i-product .productSwiper {
    padding: 0 15px;
    height: 31.4375rem;
    margin: 2.5rem 0;
  }
  .index .i-product .productSwiper .swiper-slide .contentBox {
    padding: 3.125rem 0;
  }
  .index .i-product .swiper-tool .productSwiper-scrollbar {
    display: none;
  }
  .index .i-about .top {
    display: none;
  }
  .index .i-about .box {
    padding: 0 15px;
    flex-wrap: wrap;
  }
  .index .i-about .box .textBox {
    width: 100%;
    margin-top: 0;
  }
  .index .i-about .box .textBox .textBox {
    width: 100%;
  }
  .index .i-about .box .textBox .moreSqr2 {
    margin: 40px 0;
  }
  .index .i-about .box .textBox .numList {
    gap: 2.5rem;
  }
  .index .i-about .box .rightImg {
    margin-top: 3.125rem;
    width: 100%;
  }
  .index .i-news {
    padding: 3.125rem 0;
  }
  .index .i-news .newsList {
    flex-wrap: wrap;
    gap: 2.5rem;
  }
  .index .i-news .newsList a {
    width: 100% !important;
  }
  .index .i-news .newsList a .box {
    width: 90% !important;
  }
  .index .i-social {
    align-items: flex-start;
    height: auto;
  }
  .index .i-social .w1600 {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    padding-top: 40px;
  }
  .index .i-social .bgBox {
    height: calc(100% + 6.25rem);
  }
  .index .i-social .i-title {
    width: 100%;
    text-align: center;
  }
  .index .i-social .list {
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
    margin-top: 40px;
  }
  .index .i-social .list li .s-box {
    width: 20.5rem;
    height: 25rem;
    padding: 1.25rem 2.5rem;
    background: rgba(0, 0, 0, 0.35);
    flex-direction: column;
  }
  .index .i-social .list li .s-box .hideItem {
    display: block;
    opacity: 1;
  }
  .index .i-social .list li .s-box > i {
    margin: 1.875rem 0 0 0;
  }
  .breadcrumbsBox {
    display: none;
  }
  .about .about-1 .textBox {
    position: relative;
    top: unset;
    transform: unset;
  }
  .about .about-1 .textBox .text {
    width: 100%;
  }
  .about .about-1 .textBox .text .content {
    margin-top: 2.5rem;
  }
  .about .about-1 .imgBox {
    width: 100%;
  }
  .about .about-3 {
    padding: 3.125rem 0;
  }
  .about .about-3 .top {
    flex-wrap: wrap;
  }
  .about .about-3 .top .i-title {
    text-align: center;
    width: 100%;
  }
  .about .about-3 .top .btnList {
    justify-content: center;
    margin-top: 1.25rem;
    width: 100%;
  }
  .about .about-3 .swiperBox {
    padding-left: 0;
    margin-top: 3.125rem;
  }
  .contact .contact-1 {
    padding: 3.125rem 0;
  }
  .contact .contact-1 .w1600 {
    flex-wrap: wrap;
  }
  .contact .contact-1 .left {
    width: 100%;
    padding: 2.5rem;
  }
  .contact .contact-1 .left .telBox {
    margin: 1.25rem 0;
  }
  .contact .contact-1 .right {
    width: 100%;
    height: 400px;
  }
  .contact .contact-2 .formBox {
    margin-top: 2.5rem;
  }
  .innerBanner {
    height: 35rem;
  }
  .job .job-1 .itemList li {
    padding: 1.875rem;
  }
  .job .job-2 {
    padding: 3.125rem 0;
  }
  .job .job-2 .swiperTool {
    margin: 3.75rem 0;
  }
  .job .job-2 .jobSwiper {
    padding: 0;
    margin: 0 15px;
    height: auto;
  }
  .job .job-2 .jobSwiper .swiper-slide {
    padding: 1.875rem;
  }
  .job .job-2 .jobSwiper .title {
    flex-wrap: wrap;
  }
  .mask .box {
    width: 90%;
    height: auto;
    max-height: 80vh;
    padding-bottom: 40px;
  }
  .mask .jobXq .titleBox {
    flex-wrap: wrap;
  }
  .mask .jobXq .titleBox .title::after {
    bottom: -5px;
  }
  .mask .jobXq .titleBox .email {
    margin: 20px 0;
  }
  .service .service-1 .item {
    flex-wrap: wrap;
  }
  .service .service-1 .item .textBox {
    width: 100%;
    padding: 1.5625rem;
  }
  .service .service-1 .item .imgBox {
    width: 100%;
  }
  .service .service-1 .item:not(:last-child) {
    margin-bottom: 20px;
  }
  .service .service-2 {
    padding: 3.125rem 0;
  }
  .service .service-2 .numList {
    margin-top: 2.5rem;
    gap: 40px;
  }
  .service .service-2 .numList li {
    flex: 1;
    text-align: center;
  }
  .service .service-2 .numList li:not(:last-child) {
    margin-right: 0;
  }
  .service .service-2 .service2Swiper {
    margin-top: 40px;
  }
  .service .service-3 .top {
    padding: 5rem 0;
  }
  .service .service-3 .bot .btnList {
    font-size: 16px;
    height: 60px;
  }
  .service .service-3 .bot .btnList .item {
    line-height: 60px;
  }
  .service .service-3 .bot .boxList .item .textBox {
    padding-right: 2.5rem;
  }
}

@media screen and (max-width: 768px) {
  header .telBox {
    display: none;
  }
  header .toolBox .bi-chevron-down {
    display: none;
  }
  .index .i-social .list li .s-box {
    width: 100%;
  }
}

@media screen and (max-width: 640px) {
  .index .banner,
  .innerBanner {
    height: 20rem;
  }
  .index .i-product .productSwiper {
    padding: 0;
    margin: 2.5rem 15px;
    height: auto;
  }
  .numList {
    flex-wrap: wrap;
    gap: 2.5rem;
  }
  .numList li {
    flex: 1;
    text-align: center;
  }
  .contact .contact-2 .item {
    flex-wrap: wrap;
  }
  .contact .contact-2 .item input {
    width: 100%;
    flex: none;
  }
  .service .service-2 .numList {
    flex-wrap: wrap;
    gap: 40px;
  }
  .service .service-2 .numList li {
    flex: none;
    width: calc(50% - 40px);
  }
  .service .service-2 .service2Swiper p {
    font-size: 14px;
  }
  .service .service-3 .top {
    position: relative;
  }
  .service .service-3 .top .content {
    width: 100%;
  }
  .service .service-3 .top .w1600 {
    position: relative;
    z-index: 2;
  }
  .service .service-3 .top::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    z-index: 1;
  }
  .service .service-3 .bot {
    z-index: 2;
  }
  .service .service-3 .bot .btnList {
    flex-wrap: wrap;
    height: auto;
  }
  .service .service-3 .bot .btnList .item {
    display: flex;
    height: 70px;
    width: 33%;
    flex: none;
    line-height: 1.2;
  }
  .service .service-3 .bot .btnList .item span {
    margin: auto;
    text-align: center;
  }
  .service .service-3 .bot .boxList .item {
    flex-wrap: wrap;
    padding: 2rem;
  }
  .service .service-3 .bot .boxList .item .imgBox {
    width: 100%;
    order: 2;
  }
  .service .service-3 .bot .boxList .item .textBox {
    width: 100%;
  }
}