@media screen and (max-width: 1320px) {
  footer .footer-center .right .footer-form {
    width: auto;
  }
}

@media screen and (max-width: 992px) {
  .header-logo {
    width: 12rem;
  }
  .header-nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    --li-height: 45px;
    transition: all 0.5s;
    opacity: 0;
    z-index: -999;
    pointer-events: none;
  }
  .header-nav__close {
    width: 90%;
    height: var(--header-height);
    background: #fff;
    justify-content: flex-end;
    align-items: center;
    border-bottom: 1px solid #eee;
    transform: translateX(-2000px);
    transition: all .3s;
  }
  .header-nav__close .bi {
    font-size: 30px;
    margin-right: 1.25rem;
  }
  .header-nav__list {
    display: block;
    width: 90%;
    height: calc(100vh - var(--header-height));
    background: #fff;
    transform: translateX(-2000px);
    transition: all .3s;
  }
  .header-nav__item {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin-right: 0 !important;
    height: auto;
    padding: 0 1.5625rem 0 1.25rem;
    border-bottom: 1px solid #eee;
    width: 100%;
    box-sizing: border-box;
    text-align: left;
  }
  .header-nav__item > a {
    flex: 1;
  }
  .header-nav__item a h2 {
    color: #222;
  }
  .header-nav__item .oneNavIcon {
    flex-shrink: 0;
    font-size: 20px;
    transition: all .3s;
  }
  .header-nav__item .oneNavIcon.active {
    transform: rotate(180deg);
  }
  .header-nav__item--active a h2 {
    background: #fff;
    color: var(--main-color) !important;
  }
  .header-nav__item:hover a h2 {
    background: #fff;
  }
  .header-nav__oneTitle h2 {
    line-height: var(--li-height);
    font-size: 16px;
  }
  .header-nav__subNav {
    display: none;
    position: relative;
    top: unset;
    left: unset;
    transform: none;
    width: 100%;
    padding: 0;
    border-top: 1px solid var(--line-color);
  }
  .header-nav__subNav > ul li {
    position: relative;
  }
  .header-nav__subNav > ul li a h3 {
    height: var(--li-height);
    line-height: var(--li-height);
    font-size: 14px;
    text-align: left;
    padding-left: 1.25rem;
    position: relative;
  }
  .header-nav__subNav > ul li a h3::before {
    content: '>';
    line-height: 1;
    transform: scale(1.6);
    margin-right: 4px;
    font-size: 18px;
  }
  .header-nav__subNav > ul li:not(:last-child) {
    border-bottom: 1px solid #eee;
    margin-bottom: 0;
  }
  .header-nav__subNav--productSubNav {
    position: relative;
    width: 100%;
    top: unset;
  }
  .header-nav__subNav--productSubNav .w1770 {
    width: 100%;
    padding: 0;
  }
  .header-nav__subNav--productSubNav .productSubNav {
    padding: 0;
    display: block;
    padding: 0 2.1875rem;
  }
  .header-nav__subNav--productSubNav .productSubNav .subNavIcon {
    flex-shrink: 0;
    font-size: 20px;
    transition: all .3s;
  }
  .header-nav__subNav--productSubNav .productSubNav .subNavIcon.active {
    transform: rotate(180deg);
  }
  .header-nav__subNav--productSubNav .productSubNav > li a {
    height: var(--li-height);
    line-height: var(--li-height);
    font-size: 14px;
    flex: 1;
  }
  .header-nav__subNav--productSubNav .productSubNav > li h3 {
    font-weight: normal;
  }
  .header-nav__subNav--productSubNav .productSubNav-item {
    display: none;
  }
  .header-nav__subNav--productSubNav .productSubNav-item li {
    height: var(--li-height);
    line-height: var(--li-height);
    padding-left: 1.25rem;
  }
  .header-nav__subNav--productSubNav .productSubNav-item li:not(:last-child) {
    margin-bottom: 0;
  }
  .header-nav__subNav--productSubNav .productSubNav-item a h4 {
    font-size: 12px;
  }
  .header-nav__subNav--productSubNav .productSubNav-item a h4::before {
    content: '>';
    line-height: 1;
    transform: scale(1.6);
    margin-right: 4px;
    font-size: 16px;
  }
  .header-nav.active {
    opacity: 1;
    z-index: 99999;
    pointer-events: all;
  }
  .header-nav.active .header-nav__close,
  .header-nav.active .header-nav__list {
    transform: translateX(0);
  }
  .header-tool__item {
    font-size: 16px;
    margin-right: 20px;
  }
  .header-tool__item .box {
    width: 150px;
    height: 30px;
    overflow: hidden;
  }
  .header-tool__item .box input {
    line-height: 30px;
    width: 100%;
  }
  .header-tool__item #langBox {
    height: auto;
    width: auto;
  }
  .news-item__text {
    padding: 1.25rem;
  }
  .news-item__desc {
    margin: 15px 0;
  }
  .news-item__img .newsClass {
    width: 90px;
    height: 35px;
    line-height: 35px;
  }
  .mod-banner .breadCrumbs {
    display: none;
  }
  footer .footer-center .right .footer-nav {
    display: none;
  }
  footer .footer-top .box {
    flex-wrap: wrap;
  }
  footer .footer-top .box .left {
    width: 100%;
  }
  footer .footer-top .box .right {
    width: 100%;
    justify-content: center;
    margin-top: 20px;
  }
  footer .footer-center .box {
    flex-wrap: wrap;
  }
  footer .footer-center .box .left {
    width: 100%;
  }
  footer .footer-center .box .left .item {
    font-size: 14px;
  }
  footer .footer-center .box .left .footer-icon {
    margin-top: 2.8125rem;
  }
  footer .footer-center .box .right {
    width: 100%;
  }
  footer .footer-center .box .right .footer-form {
    margin-left: 0;
    width: 100%;
    margin-top: 2.5rem;
  }
  footer .footer-center .box .right .footer-form .form-input {
    gap: unset;
    flex-wrap: wrap;
  }
  footer .footer-center .box .right .footer-form .form-input input {
    width: 100%;
    flex: none;
    height: 50px;
    line-height: 50px;
    font-size: 16px;
    margin-bottom: 15px;
    box-sizing: border-box;
  }
  footer .footer-center .box .right .footer-form textarea {
    height: 100px;
    font-size: 16px;
  }
  footer .footer-center .box .right .footer-form .submit {
    width: 140px;
    height: 45px;
    border-radius: 30px;
    margin: 20px auto 0;
  }
  footer .footer-bot .container {
    flex-wrap: wrap;
  }
  footer .footer-bot p,
  footer .footer-bot a {
    font-size: 12px;
    margin: 5px 0;
  }
  .index .i-banner {
    height: 28.75rem;
  }
  .index .i-banner__img {
    width: 70%;
  }
  .index .i-product {
    padding: 3.125rem 0;
  }
  .index .i-product .text-box {
    margin-left: 5%;
  }
  .index .i-product .text-box .desc {
    margin: 1.5625rem 0;
  }
  .index .i-dingzhi .text-box {
    margin-left: 5%;
  }
  .index .i-dingzhi .text-box .tip .iconfont {
    font-size: var(--font26);
  }
  .index .i-number .item .year sup {
    font-size: 14px;
  }
  .index .i-news {
    padding: 3.125rem 0;
  }
  .index .i-news .container {
    flex-wrap: wrap;
  }
  .index .i-news .right {
    flex-wrap: wrap;
    margin-top: 2.5rem;
  }
  .index .i-news .right .item {
    width: 100%;
  }
  .index .i-news .right .item:not(:last-child) {
    margin-bottom: 2.5rem;
  }
  .newsXq .box {
    margin-top: 3.75rem;
  }
  .newsXq .title {
    font-size: 20px;
  }
  .newsXq .content {
    font-size: 16px;
  }
  .news-style {
    padding: 3.125rem 0;
  }
  .mode-banner {
    overflow: hidden;
  }
  .capacity .capacity-1 {
    padding: 6.25rem 0;
  }
  .capacity .capacity-1 .list {
    margin-top: 5rem;
    padding: 0 15px;
  }
  .capacity .capacity-3 .list .item-box {
    padding: 2.1875rem 0;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .padding-box {
    padding: 2.5rem;
    flex-wrap: wrap;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .padding-box .img-box {
    width: 100%;
    margin-bottom: 20px;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .padding-box .text-box {
    margin-left: 0;
    font-size: 14px;
    line-height: 1.6;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .sub-list li {
    padding: 0 3.125rem;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .sub-list .flex-box {
    padding: 1.875rem;
    flex-wrap: wrap;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .sub-list .flex-box .img-box {
    width: 100%;
    margin-bottom: 20px;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .sub-list .flex-box .text-box {
    margin-left: 0;
    font-size: 14px;
    line-height: 1.6;
  }
  .capacity .capacity-3 .list .item-title .left .iconfont {
    font-size: 26px;
  }
  .capacity .capacity-3 .list .item-title .rightIcon {
    font-size: 20px;
  }
  .contact .contact-1 {
    margin: 3.125rem 0;
  }
  .contact .contact-1 .list {
    flex-wrap: wrap;
  }
  .contact .contact-1 .list .item {
    flex: none;
    width: calc(50% - 1.25rem);
  }
  .contact .contact-2 .form-box {
    width: 100%;
  }
  .about .about-1 {
    margin-top: 3.125rem;
    padding: 0 15px 3.125rem 15px;
    flex-wrap: wrap;
  }
  .about .about-1 .text-box {
    font-size: 16px;
  }
  .about .about-1 .text-box,
  .about .about-1 .swiper-box {
    width: 100%;
  }
  .about .about-1 .swiper-box .swiper-button-prev {
    margin-top: 0;
    transform: translate(0, -50%);
    top: 50%;
  }
  .about .about-1 .swiper-box .swiper-button-next {
    margin-top: 0;
    transform: translate(0, -50%);
    top: 50%;
    left: unset;
    right: 0;
  }
  .about .about-2 {
    padding: 3.125rem 0;
  }
  .about .about-2 .about-2-top {
    flex-wrap: wrap;
  }
  .about .about-2 .about-2-top .about2__class {
    width: 100%;
    margin-top: 20px;
    justify-content: center;
  }
  .about .about-2 .about2-swiper {
    margin-top: 4.375rem;
    padding: 0 15px;
  }
  .about .about-2 .about2-swiper .swiper-tool {
    margin-top: 2.5rem;
  }
  .about .about-3 {
    padding: 3.125rem 0;
  }
  .about .about-3 .list {
    margin-top: 3.125rem;
  }
  .about .about-3 .list li {
    width: 50%;
  }
  .product .box {
    flex-wrap: wrap;
  }
  .product .box .left {
    width: 100%;
  }
  .product .box .right {
    width: 100%;
  }
  .product .box .right .mode-tip {
    margin-top: 3.125rem;
  }
  .product .box .right .list li .text-box .title {
    font-size: 16px;
  }
  .product .box .right .list li .text-box .desc {
    font-size: 14px;
  }
  .footer-box .btn {
    left: 15px;
    width: 120px;
    height: 40px;
    font-size: 14px;
  }
  .productXq .productXq-top {
    flex-wrap: wrap;
  }
  .productXq .productXq-1 {
    margin-top: 3.125rem;
  }
  .productXq .productXq-1 .productXq-1Box {
    flex-wrap: wrap;
  }
  .productXq .productXq-1 .productXq-1Box .left {
    order: 2;
    width: 100%;
  }
  .productXq .productXq-1 .productXq-1Box .right {
    width: 100%;
    margin-left: 0;
  }
  .productXq .productXq-1 .right .en-title {
    font-size: 35px;
  }
  .productXq .productXq-1 .right .cn-title {
    font-size: 25px;
  }
  .productXq .productXq-1 .right .title {
    font-size: 20px;
  }
  .productXq .productXq-1 .right .content {
    font-size: 14px;
  }
  .productXq .productXq-4 .swiper {
    padding: 0;
  }
  .productXq .swiper-button-next {
    right: 0;
  }
  .productXq .swiper-button-prev {
    left: 0;
  }
  .custom .custom-1 .subList .item1 .flex-box,
  .custom .custom-1 .subList .item .item-box {
    height: auto;
    min-height: unset;
  }
  .custom .custom-1 .subList .item .item-box {
    padding: 50px 30px;
  }
  .custom .custom-1 .subList .item2 .flowList {
    flex-wrap: wrap;
  }
  .custom .custom-1 .subList .item2 .flowList li {
    width: 30%;
  }
  .custom .custom-1 .subList .item2 .flowList li:nth-child(-n+3) {
    margin-bottom: 50px;
  }
  .custom .custom-1 .subList .item2 .flowList li:nth-child(3) .cir-box::after {
    display: none;
  }
  .custom .custom-1 .subList .item3 .item-box .adv-list {
    padding: 0;
  }
  .custom .custom-1 .subList .item .item-title .left .iconfont {
    font-size: 26px;
  }
  .custom .custom-1 .subList .item .item-title .rightIcon {
    font-size: 20px;
  }
}

@media screen and (max-width: 768px) {
  .index .i-number {
    height: auto;
    flex-wrap: wrap;
    justify-content: center;
    padding-top: 3.125rem;
  }
  .index .i-number .item {
    width: 33%;
    margin-bottom: 3.125rem;
  }
  .index .i-number .item .desc {
    font-size: 16px;
  }
  .index .i-number .item .year sup {
    font-size: 12px;
  }
  .index .i-about {
    padding: 3.125rem 0;
  }
  .index .i-about .container {
    flex-wrap: wrap;
  }
  .index .i-about .text-box {
    width: 100%;
    text-align: center;
  }
  .index .i-about .text-box .content {
    font-size: 16px;
  }
  .index .i-about .text-box .more-about {
    margin-top: 15px;
    font-size: 14px;
    padding: 12px 10px;
  }
  .index .i-about .video-box {
    width: 100%;
    margin-top: 40px;
  }
  .index .i-news .left .more-news {
    font-size: 16px;
  }
  .index .i-news .right .item .text-box {
    font-size: 16px;
  }
  .contact .contact-1 .list .item:nth-child(2) .desc {
    font-size: 14px;
  }
  .contact .contact-2 .form-box .form-row {
    flex-wrap: wrap;
  }
  .contact .contact-2 .form-box .form-row input {
    width: 100%;
    height: 50px;
    line-height: 50px;
  }
  .contact .contact-2 .form-box .form-row input:not(:last-child) {
    margin-bottom: 2.25rem;
  }
  .contact .contact-2 .form-box .form-row textarea {
    font-size: 16px;
  }
  .about .about-2 .about2__class li {
    font-size: 14px;
    margin: 0 !important;
  }
  .about .about-2 .about2__class li::after {
    content: none !important;
  }
}

@media screen and (max-width: 640px) {
  .news .list a {
    flex-wrap: wrap;
  }
  .news .list a .img-box {
    margin: 0 auto;
  }
  .news .list a .text-box {
    margin-left: 0;
    margin-top: 15px;
    width: 100%;
  }
  .news .list a .text-box .title {
    margin: 10px 0;
    font-size: 18px;
  }
  .news .list a .text-box .desc {
    font-size: 14px;
    margin-bottom: 10px;
  }
  .news .list a .text-box .more {
    font-size: 14px;
  }
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-title .text,
  .capacity .capacity-3 .list .item-box .subList .sub-item .sub-box .sub-list .sublist-title {
    font-size: 14px;
  }
  .product .box .right .list li .text-box .desc .desc-item {
    width: 100%;
  }
  .product .box .left .slide-item .slide-title {
    font-size: 16px;
  }
  .product .box .left .rest {
    width: 100px;
    height: 36px;
    line-height: 36px;
    border-radius: 18px;
    font-size: 18px;
  }
  .product .box .left .product-classList .item-title {
    font-size: 16px;
  }
  .product .box .left .product-classList .item .subList li a {
    font-size: 14px;
  }
  .custom .custom-1 .content-box {
    padding: 5rem 0;
  }
  .custom .custom-1 .subList .item1 .flex-box {
    flex-wrap: wrap;
  }
  .custom .custom-1 .subList .item1 .flex-box .img-box {
    width: 100%;
    padding-left: 0;
  }
  .custom .custom-1 .subList .item1 .flex-box .text-box {
    margin-top: 20px;
    width: 100%;
    margin-left: 0;
  }
  .custom .custom-1 .subList .item2 .flowList {
    margin-top: 0;
  }
  .custom .custom-1 .subList .item2 .flowList li {
    width: 50%;
    margin-bottom: 50px;
  }
  .custom .custom-1 .subList .item2 .flowList li:nth-last-child(1), .custom .custom-1 .subList .item2 .flowList li:nth-last-child(2) {
    margin-bottom: 0 !important;
  }
  .custom .custom-1 .subList .item2 .flowList li:not(:last-child) .cir-box::after {
    display: none;
  }
  .contact .contact-1 .list .item {
    width: 100%;
  }
}