@media (max-width: 750px) {
    .landing .bankuai4 .main {
        display: block;
    }
    .product .part4 .main {
        margin-top: 20px;
    }
    .landing .bankuai4 .main li {
        padding-right: 0;
        margin-bottom: 20px;
    }
    .landing .bankuai4 .main li .p2 {
        text-align: center;
        font-size: 14px;
        margin-top: 10px;
    }
    .landing .bankuai4 .main li .p1 {
        font-size: 16px;
        margin-top: 10px;
    }
    .inside_banner video,
    .part_banner video {
        display: none;
    }
    .contain {
        width: 94%;
    }
    .header .nav {
        display: none;
    }
    .small_nav_btn {
        display: block;
    }
    .header .logo {
        height: 60px;
    }
    .header .to_login {
        margin-top: 10px;
        margin-right: 40px;
        line-height: 40px;
    }
    .header .contain {
        padding: 0;
        width: 94%;
    }
    .part_banner {
        padding-top: 50px;
        height: 250px;
    }
    .part_banner .font {
        margin-left: 0;
        left: 3%;
    }
    .part_banner .font .p1 {
        font-size: 18px;
        margin-bottom: 0;
    }
    .about .tab .contain {
        overflow: auto;
        white-space: nowrap;
    }
    .about .tab a {
        font-size: 14px;
        line-height: 45px;
        padding: 0 10px;
        margin-right: 15px;
    }
    .about .part1 .top .img {
        width: 100%;
        margin-top: 20px;
    }
    .about .part1 .top .p1 {
        font-size: 14px;
        line-height: 24px;
        width: 100%;
        margin-top: 20px;
    }
    .about .part1 .top {
        padding: 30px 0 50px;
    }
    .about .part1 .main li {
        width: 100%;
        margin-bottom: 20px;
    }
    .about .part1 .main li .p1 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    .about .part1 .main li .p1 i {
        font-size: 24px;
    }
    .about .part1 .main li .p2 {
        font-size: 14px;
    }
    .about .part1 .main {
        margin-bottom: 40px;
    }
    .about .part1 .mid li {
        padding: 50px 0;
    }
    .about .part1 .mid .li2 {
        padding-left: 0;
    }
    .about .part1 .mid .ico2,
    .about .part1 .mid .ico1 {
        padding-left: 40px;
        background-size: 30px !important;
    }
    .about .part1 .mid .p1 {
        font-size: 16px;
        line-height: 30px;
        margin-bottom: 10px;
    }
    .about .part1 .mid .p2 {
        font-size: 14px;
        line-height: 24px;
    }
    .about .part1 .mid li .bg {
        width: calc( 50vw + 20px);
    }
    .all_title {
        width: 94%;
    }
    .all_title .pq {
        font-size: 18px;
        margin-bottom: 0;
    }
    .about-3 .list li .name {
        font-size: 16px;
    }
    .about-3 .list li .time,
    .about-3 .list li .time2 {
        font-size: 16px;
    }
    .about-3 .list li .time {
        font-size: 60px;
    }
    .about-3 .list2 .list-wrapper {
        width: 94%;
    }
    .about-3 .list2 {
        left: 0;
        right: 0;
        top: 350px;
    }
    .about-3 .arrow a.prev {
        left: 3%;
        margin-left: 0;
        width: 12px;
        height: 21px;
    }
    .about-3 .arrow a.next {
        right: 3%;
        margin-right: 0;
        width: 12px;
        height: 21px;
    }
    .about .part2 {
        height: 540px;
    }
    .all_title .pw {
        width: 100%;
        font-size: 14px;
        line-height: 24px;
    }
    .all_title {
        padding: 25px 0;
    }
    .all_bg {
        padding-bottom: 30px;
    }
    .about .part3 .main {
        text-align: center;
    }
    .about .part3 .main .img {
        position: initial;
        margin-bottom: 20px;
        transform: translate(0, 0);
    }
    .about .part3 .left li .p1 {
        padding-right: 0;
        margin-bottom: 10px;
        padding-left: 20px;
        background-position: left;
    }
    .about .part3 .left {
        margin-left: 0;
        width: 100%;
    }
    .about .part3 .left li {
        text-align: left;
    }
    .about .part3 li .p1 {
        font-size: 16px;
    }
    .about .part3 .left li .p2 {
        padding-right: 0;
        padding-left: 20px;
        font-size: 14px;
        line-height: 20px;
    }
    .about .part3 li {
        width: 100%;
        margin-bottom: 20px;
    }
    .about .part3 .right li .p1 {
        padding-left: 20px;
    }
    .about .part3 li:last-child {
        margin-bottom: 20px;
    }
    .about .part3 .right li .p2 {
        padding-left: 20px;
        font-size: 14px;
        line-height: 20px;
    }
    .about .part3 .right li .p1 {
        margin-bottom: 10px;
    }
    .about .part3 .right {
        margin-right: 0;
        float: left;
        width: 100%;
    }
    .about .part3 .end {
        width: 100%;
        margin: 0 auto;
    }
    .about .part3 .end li .p1 span {
        padding-left: 20px;
    }
    .about .part3 .end li {
        text-align: left;
    }
    .about .part3 .end li .p1 {
        margin-bottom: 10px;
    }
    .about .part3 li .p2 {
        padding-left: 20px;
        font-size: 14px;
        line-height: 20px;
    }
    .about .part4 .swiper-button-next {
        right: 0;
    }
    .about .part4 .swiper-button-prev {
        left: 0;
    }
    .footer .top {
        padding: 30px 0;
    }
    .footer .main {
        margin-top: 20px;
    }
    .footer .main li {
        margin-top: 20px;
        margin-right: 0;
        width: 100%;
    }
    .footer .main li .p1 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    .footer .main li a {
        line-height: 24px;
    }
    .footer .main li:last-child {
        width: 100%;
        margin-right: 0;
        margin-top: 20px;
    }
    .footer .search {
        margin-top: 20px;
        width: 100%;
    }
    .footer .search input {
        width: calc( 100% - 50px);
    }
    .footer .end span {
        line-height: 24px;
    }
    .footer .end {
        padding: 10px 0 0;
    }
    .footer .end .code {
        width: 100%;
    }
    .footer .end .code li {
        margin-right: 0;
        margin-bottom: 10px;
        width: 100%;
    }
    .login_bg .left {
        position: inherit;
        width: 100%;
        left: 0;
        height: inherit;
        box-sizing: border-box;
    }
    .login_bg .contain {
        width: 94%;
    }
    .login_bg .right {
        width: 100%;
        box-sizing: border-box;
        padding: 1px 0 10px;
    }
    .login_bg .right>* {
        padding: 0 20px;
    }
    .login_bg .left .p2 {
        position: inherit;
        top: 0;
        margin-top: 0;
        padding-top: 20px;
    }
    .login_bg .left .p2 img {
        width: 150px;
    }
    .login_bg .left .p3 {
        position: inherit;
        bottom: inherit;
        margin-top: 10px;
        font-size: 14px;
    }
    .login_bg .p1 {
        margin-top: 10px;
        font-size: 16px;
    }
    .login_bg .send,
    .login_bg .input {
        margin-top: 15px;
    }
    .login_bg .btn {
        margin-top: 30px;
    }
    .login_bg {
        padding: 100px 0;
    }
    .login_bg .code {
        margin-top: 15px;
    }
    /*购物车*/
    .box {
        width: 94%;
    }
    .sub-top-tit p {
        float: left;
        margin-top: 10px;
    }
    .over_jc {
        overflow-x: auto;
        width: 100%;
        white-space: nowrap;
    }
    .buycar-list {
        width: 1200px;
    }
    .car-list-bot .fl {
        margin-right: 10px;
    }
    .car-list-bot .fr {
        line-height: 25px;
    }
    .buycar-2 .list span {
        margin-left: 10px;
    }
    .buycar-2 .list a {
        margin-left: 10px;
    }
    .buycar-2 .list label {
        width: calc( 100% - 126px);
        display: inline-block;
    }
    .buycar-2 .list {
        text-indent: 0;
    }
    .buycar-2 .list2 p,
    .buycar-2 .list p {
        vertical-align: top;
    }
    .buycar-none,
    .buycar-2 {
        padding: 20px 10px;
        box-sizing: border-box;
    }
    .buycar-2 .tit {
        text-indent: 0;
    }
    .buycar-2 .list2 .input2,
    .buycar-2 .list2 .input1 {
        width: calc( 100% - 75px);
        box-sizing: border-box;
    }
    .buycar-2 .list,
    .buycar-2 .list2 {
        text-indent: 0;
    }
    .buycar-2 .sjld {
        width: calc( 100% - 75px);
        float: right;
    }
    .m_zlxg {
        width: 32%;
        margin-right: 2%;
        box-sizing: border-box;
    }
    .m_zlxg:nth-of-type(3) {
        margin-right: 0;
    }
    .m_zlxg2 {
        width: 100% !important;
    }
    .buycar-2 .list2:nth-last-child(2) p {
        margin-top: 20px;
        width: 100%;
    }
    .choose_way {
        width: 100%;
        margin-right: 0;
        display: block;
        margin-bottom: 15px;
    }
    .input3 {
        margin-top: 20px !important;
    }
    .member .m_left {
        width: 100%;
        white-space: nowrap;
        padding: 0 5px;
        margin-top: 50px;
        overflow: auto;
        box-sizing: border-box;
    }
    .member .m_left a {
        margin: 0 10px;
        border-bottom: 0;
        display: inline-block;
    }
    .member {
        padding-top: 20px;
        padding-bottom: 30px;
    }
    .member .m_right {
        width: 100%;
        padding: 0 10px 15px;
        margin-top: 20px;
        box-sizing: border-box;
    }
    .m_zlxg p {
        text-indent: 5px;
    }
    .member .buycar-2 .list label {
        width: calc( 100% - 173px);
    }
    .buycar-2 .list2 span {
        width: 75px;
        line-height: 30px;
    }
    .member .change_input .input input {
        width: calc( 100% - 78px)
    }
    .member .change_input .yzm input {
        width: calc( 100% - 160px)
    }
    .box {
        padding-bottom: 0;
    }
    .member .m_right .input p i {
        display: block;
    }
    .member .m_right .input span {
        vertical-align: top;
    }
    .member .m_right .input a {
        margin-left: 0;
    }
    .member .m_right .tab a {
        padding: 0 8px;
    }
    .member .m_right .tab {
        margin: 10px 0;
    }
    .member .over_jc table {
        width: 1200px;
    }
    .paging li {
        display: none;
    }
    .paging li.style {
        display: none;
    }
    .paging li.style.active,
    .paging li.style1 {
        display: inline-block;
    }
    .news_detail .right_slide {
        display: none;
    }
    .m_detail .border {
        padding-left: 10px;
        padding-right: 10px;
    }
    .m_detail .border .title1 {
        line-height: 45px;
    }
    .m_detail .top1 li {
        width: 70px;
    }
    .m_detail .top1 li .line1,
    .m_detail .top1 li .line {
        width: 50px;
    }
    .m_detail .top1 {
        padding-bottom: 30px;
    }
    .m_detail .mid .main p {
        text-indent: 0;
        white-space: initial;
    }
    .m_detail .mid .main p span {
        margin-right: 0;
        display: block;
    }
    .member .m_dd {
        white-space: nowrap;
        overflow: auto;
    }
    .member .m_dd table {
        width: 800px;
    }
    .m_dd .td1 span {
        white-space: initial;
    }
    .m_detail .input_tk .input textarea,
    .m_detail .input_tk .input input {
        width: calc( 100% - 70px)
    }
    .m_detail .input_tk .btn1 {
        margin-left: 70px;
    }
    .collect_add {
        width: 94%;
    }
    .integral_screen,
    .integral_tip {
        flex-wrap: wrap;
    }
    .integral_screen label,
    .integral_share {
        margin-bottom: 20px;
    }
    .member .m_dd.integral_tb table {
        width: 100%;
    }
    .integral_rull {
        padding: 30px;
    }
    .integral_rull .rull_title {
        font-size: 18px;
        font-weight: bold;
        margin-bottom: 30px;
    }
    .integral_rull p {
        width: 100%;
        text-align: start;
        white-space: pre-wrap;
    }
    .collect_car .buycar-list {
        width: 852px;
    }
    .down_top span {
        width: 100%;
        font-size: 16px;
        text-align: left;
        line-height: 40px;
    }
    .down_top .nav1 {
        margin-left: 0;
        white-space: nowrap;
        overflow: auto;
    }
    .down_top .nav1 a {
        font-size: 14px;
        margin-right: 10px;
        padding: 0 10px;
        line-height: 40px;
    }
    .download .left {
        width: 100%;
        height: inherit;
        max-height: 250px;
        padding: 20px 10px 0;
    }
    .right_slide li>a {
        width: 40px;
        height: 40px;
    }
    .right_slide li i {
        background-size: 24px !important;
    }
    .right_slide li span {
        line-height: 38px;
        font-size: 16px;
    }
    .download .left .nav>.nav-item>a {
        font-size: 16px;
    }
    .download .left .nav>.nav-item {
        margin-bottom: 10px;
    }
    .download .left .nav>.nav-item .show {
        width: 80%;
        margin-left: 10%;
    }
    .download .left .nav>.nav-item .show .show {
        width: 80%;
        margin-left: 10%;
    }
    .download .right {
        width: 100%;
    }
    .download .content li {
        line-height: 50px;
    }
    .download .content li .p1 {
        width: 100%;
    }
    .download .content li .p1 * {
        margin-left: 10px;
    }
    .download .content li .btn2,
    .download .content li .btn1 {
        margin-top: 0;
    }
    .download .content li div.fr {
        float: left;
        margin-left: 10px;
        padding-bottom: 10px;
    }
    .download .content li .p1 span {
        max-width: calc( 100% - 110px);
        white-space: nowrap;
        overflow: hidden;
        font-size: 16px;
        text-overflow: ellipsis;
    }
    .more_btn {
        width: 100px;
        line-height: 38px;
        font-size: 16px;
    }
    .in_product>img,
    .in_video>img {
        display: block;
        width: 100%;
    }
    .in_product video,
    .in_video video {
        display: none;
        position:absolute;
        z-index: -10000;
        visibility: hidden;
        opacity: 0;
        height: 0;
        width:0;
    }
    .in_video {
        padding-top: 60px;
    }
    .in_video .font {
        bottom: initial;
        top: 50%;
        width: 94%;
        left: 3%;
        transform: translate(0, -50%)
    }
    .in_video .font .p1 {
        font-size: 18px;
        letter-spacing: 5px;
    }
    .in_video .font .p2 {
        font-size: 14px;
        margin-top: 10px;
    }
    .in_product {
        position: relative;
    }
    .in_product>img {
        position: absolute;
        top: 0;
        max-width: initial;
        height: 100%;
        left: 50%;
        transform: translate(-50%, 0)
    }
    .in_product .tab {
        margin-top: 20px;
        padding: 20px 0 0 30px;
        position: inherit;
        z-index: 1;
        background-size: contain;
    }
    .in_product .tab li {
        margin: 20px 0;
    }
    .in_product .main {
        margin-right: 0;
        width: 100%;
    }
    .in_product .main .img {
        margin-top: 20px;
        position: inherit;
    }
    .in_product .main .font {
        margin-top: 20px;
        width: 100%;
    }
    .in_product .main .font .p2 {
        text-align: center;
        font-size: 18px;
        margin-bottom: 30px;
    }
    .in_product .main .font .p1 {
        text-align: center;
        font-size: 24px;
    }
    .in_product .main .font .p3 {
        font-size: 16px;
        text-align: center;
    }
    .in_product .main .font .p4 {
        font-size: 14px;
        margin-bottom: 20px;
        text-align: center;
    }
    .in_product .main .font ul {
        width: 100%;
    }
    .in_product .main .font ul li {
        margin-right: 2%;
        width: 32%;
    }
    .in_product .main .font div.clear {
        width: 94%;
        margin: 0 auto;
    }
    .in_product {
        padding: 50px 0;
    }
    .in_title {
        padding-top: 50px;
        width: 94%;
        margin: 0 auto;
    }
    .in_title .p1 {
        font-size: 24px;
    }
    .in_title .p2 {
        font-size: 18px;
    }
    .in_title .p3 {
        font-size: 16px;
        margin: 15px 0;
    }
    .in_title .p4 {
        font-size: 14px;
    }
    .in_advantage .main {
        width: 100%;
        height: 500px;
        margin-top: 100px;
    }
    .in_advantage .main .img1 {
        width: 45%;
    }
    .in_advantage .main .img3 {
        width: 45%;
        margin-left: -45%;
    }
    .in_advantage .main .img2 {
        width: 45%;
    }
    .in_advantage .main a.right {
        margin-left: -45%;
    }
    .in_advantage {
        padding-bottom: 50px;
    }
    .in_partner .main .content a {
        width: calc( 100vw / 3);
        height: 50px;
    }
    .in_partner .main .content a:nth-of-type(2n) {
        transform: translate(0, 70px);
    }
    .in_partner {
        padding-bottom: 0;
    }
    .in_partner .vapper {
        margin-top: 50px;
    }
    .in_product {
        overflow: hidden;
    }
    .part_banner .font .p2 {
        font-size: 16px;
        line-height: 20px;
    }
    .part_banner .font .p3 {
        line-height: 20px;
    }
    .landing .tab a {
        line-height: 40px;
        margin-right: 10px;
    }
    .landing .tab {
        white-space: nowrap;
        overflow: auto;
    }
    .landing .bankuai1 .main li {
        width: 100%;
        margin-bottom: 20px;
    }
    .landing .bankuai1 .main li img {
        width: 50px;
    }
    .landing .bankuai1 .main li .p1 {
        font-size: 16px;
        margin: 15px 0;
    }
    .landing .bankuai1 .main li .p2 {
        font-size: 14px;
        line-height: 25px;
        margin-bottom: 10px;
        height: 75px;
    }
    .landing .bankuai3 .font {
        width: 100%;
        box-sizing: border-box;
        padding: 20px 10px;
    }
    .landing .bankuai3 .font .p1 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    .landing .bankuai3 .font .p2 {
        font-size: 14px;
        line-height: 20px;
    }
    .landing .bankuai3 .main {
        height: 370px;
    }
    .landing .bankuai3 .tab1 a {
        line-height: 40px;
        display: inline-block;
        padding: 0 10px;
        margin-right: 10px;
        font-size: 14px;
    }
    .landing .bankuai3 .tab1 {
        overflow: auto;
        display: block;
        white-space: nowrap;
    }
    .landing .bankuai5 .main li {
        width: 100%;
        margin-bottom: 20px;
    }
    .landing .video_wapper .video {
        height: 200px;
    }
    .landing .bankuai5 .main li .img img {
        width: 100%;
    }
    .landing .bankuai5 .main li .img p {
        font-size: 16px;
    }
    .landing .bankuai5 .main li .font {
        padding: 15px;
    }
    .landing .bankuai5 .main li .p1 {
        font-size: 14px;
        line-height: 24px;
        height: inherit;
    }
    .landing .bankuai6 .font {
        margin: 0 auto 0;
        width: 94%;
        float: none;
    }
    .landing .bankuai6 .font .p1 {
        font-size: 16px;
        margin-bottom: 20px;
        padding-top: 20px;
    }
    .landing .bankuai6 .font .p2 {
        line-height: 24px;
    }
    .landing .bankuai6 .img {
        margin-top: 20px;
        margin-right: 0;
        float: none;
        margin-left: 3%;
        max-width: 50%;
    }
    .landing .bankuai6 .tab2 {
        width: 100%;
        float: none;
    }
    .landing .bankuai6 .tab2 a.active {
        padding-top: 20px;
    }
    .landing .bankuai6 .tab2 a {
        width: 50%;
        padding: 50px 10px 0;
    }
    .landing .bankuai6 .tab2 a .p2 {
        height: 48px;
        overflow: hidden;
    }
    .landing .bankuai6 .tab2 a .p1 {
        font-size: 16px;
        margin-top: 5px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .footer .top img {
        max-width: 50%;
    }
    .member .m_right .btn1 {
        margin-left: 0;
    }
    .news .left .main li .img {
        width: 100%;
        height: inherit;
    }
    .news .left {
        width: 100%;
    }
    .news .left .main li {
        padding: 10px;
        margin-bottom: 20px;
    }
    .news .left .main li .font {
        width: 100%;
        margin-top: 20px;
    }
    .news .left .main li .font .p1 {
        font-size: 16px;
    }
    .news .right {
        width: 100%;
        margin-top: 30px;
    }
    .news .right .part1 li .p2 {
        width: calc( 100% - 68px)
    }
    .news .detail {
        padding: 20px 10px;
    }
    .news .detail .p1 {
        font-size: 16px;
        line-height: 30px;
    }
    .news .detail .p2 span {
        padding: 0 10px;
        margin-right: 10px;
    }
    .news .detail .np a {
        float: left;
        width: 100%;
    }
    .product .part1 {
        height: 250px;
    }
    .product .part1 .img {
        display: block;
    }
    .product .part1 .font .p1 {
        font-size: 16px;
        margin-bottom: 20px;
    }
    .product .part1 .font .p2 {
        font-size: 14px;
        line-height: 24px;
    }
    .product .part1 .font .btn{
        margin-top: 20px;
    }
    .product .part1 .font .btn a {
        width: 100px;
    }
    .product .part2 .font {
        width: 100%;
        margin-top: 20px;
    }
    .product .part2 .font .p1 {
        font-size: 16px;
        margin-bottom: 20px;
    }
    .product .part2 .font .main li {
        width: 50%;
        margin-bottom: 20px;
        box-sizing: border-box;
        padding: 0 20px !important;
    }
    .product .part2 .font .main li .p3 {
        font-size: 16px;
    }
    .product .part2 .font .main li:nth-of-type(2n) {
        border-right: 0;
    }
    .product .part3 .main li {
        padding: 0;
        width: 100%;
        margin-bottom: 20px;
    }
    .product .part3 .main {
        display: block;
    }
    .product .part3 .main li .p1 {
        font-size: 16px;
        margin-top: 15px;
    }
    .product .part3 .main li .p2 {
        font-size: 14px;
        line-height: 20px;
    }
    .all_part3 .content span {
        width: 100%;
        margin-right: 0;
        font-size: 16px;
        text-align: left;
    }
    .all_part3 .content {
        margin-bottom: 20px;
    }
    .all_part3 .msg {
        margin-top: 10px;
    }
    .video_wapper .video {
        height: 200px;
    }
    .product .part_table .p1 {
        font-size: 16px;
    }
    .product .part_table table th {
        font-size: 14px;
        padding: 10px 0;
        min-height: 40px;
        width: 80px;
    }
    .product .part_table table td {
        min-height: 40px;
        padding: 10px 0;
        font-size: 14px;
    }
    .inside_banner {
        height: 250px;
    }
    .inside_banner .font1 .p1 {
        font-size: 18px;
        line-height: 24px;
        margin-bottom: 10px;
    }
    .inside_banner .font1 .p2 {
        font-size: 14px;
        line-height: 20px;
    }
    .inside_banner .font1 {
        width: 94%;
        margin-left: 0;
        left: 3%;
    }
    .technology .part1 .contain {
        width: 94%;
    }
    .technology .part1 .img a {
        display: none;
    }
    .technology .part1 .font .main {
        position: inherit;
        opacity: 1;
        visibility: visible;
        margin-bottom: 0;
        padding: 20px 10px;
        box-sizing: border-box;
        width: 100%;
    }
    .technology .part1 .font {
        width: 100%;
        height: inherit;
        padding: 0;
        display: none;
        border-top: 0;
    }
    .technology .part1 .font .main .p1 {
        font-size: 16px;
        margin-top: 10px;
    }
    .technology .part1 .font .main .p2 {
        font-size: 14px;
        line-height: 24px;
        margin-top: 15px;
    }
    .all_part3 .msg li .line{
        margin-top: 6px;
    }
    .all_part3 .msg li {
        margin-left: 0;
        width: 100%;
        line-height: 20px;
    }
    .technology .part5 .content {
        width: 100%;
    }
    .technology .part5 .main {
        display: flex;
        flex-wrap: wrap;
    }
    .technology .part5 .main li {
        position: initial;
        width: 50%;
        margin-bottom: 20px;
    }
    .technology .part5 .main li.active {
        transform: scale(1);
    }
    .technology .part5 .main li .p2 {
        opacity: 1;
    }
    .technology .part6 .tab a {
        font-size: 16px;
        margin: 0 10px;
    }
    .technology .part6 .main li {
        width: 100%;
    }
    .technology .part6 .main li .img {
        margin-bottom: 10px;
    }
    .technology .part5 .main {
        height: inherit;
    }
    .footer .top {
        height: inherit;
        padding: 0;
    }
    .footer .top video {
        display: none;
    }
    .footer .top img {
        display: block;
        max-width: 100%;
    }
}

@media (min-width: 751px) and (max-width: 1250px) {
    .product .part4 .main {
        margin-top: -20px;
    }
    .landing .bankuai4 .main li {
        padding-right: 20px;
    }
    .inside_banner video,
    .part_banner video {
        display: none;
    }
    .contain {
        width: 94%;
    }
    .header .nav {
        display: none;
    }
    .small_nav_btn {
        display: block;
    }
    .login_bg .right {
        width: 50%;
        box-sizing: border-box;
        padding: 1px 30px 50px;
    }
    .login_bg .contain {
        width: 94%;
    }
    .login_bg .input input {
        width: calc( 100% - 30px)
    }
    .login_bg .left {
        width: 100%;
        left: -100%;
    }
    /*购物车*/
    .box {
        width: 94%;
    }
    .over_jc {
        overflow-x: auto;
        width: 100%;
        white-space: nowrap;
    }
    .buycar-list {
        width: 1200px;
    }
    .car-list-bot .fl {
        margin-right: 10px;
    }
    .car-list-bot .fr {
        line-height: 25px;
    }
    .buycar-2 .list span {
        margin-left: 10px;
    }
    .buycar-2 .list a {
        margin-left: 10px;
    }
    .buycar-2 .list label {
        width: calc( 100% - 126px);
        display: inline-block;
    }
    .buycar-2 .list {
        text-indent: 0;
    }
    .buycar-2 .list2 p,
    .buycar-2 .list p {
        vertical-align: top;
    }
    .buycar-none,
    .buycar-2 {
        padding: 20px 10px;
        box-sizing: border-box;
    }
    .buycar-2 .tit {
        text-indent: 0;
    }
    .buycar-2 .list2 .input2,
    .buycar-2 .list2 .input1 {
        width: calc( 100% - 75px);
        box-sizing: border-box;
    }
    .buycar-2 .list,
    .buycar-2 .list2 {
        text-indent: 0;
    }
    .buycar-2 .sjld {
        width: calc( 100% - 75px);
        float: right;
    }
    .m_zlxg {
        width: 32%;
        margin-right: 2%;
        box-sizing: border-box;
    }
    .m_zlxg:nth-of-type(3) {
        margin-right: 0;
    }
    .m_zlxg2 {
        width: 100% !important;
    }
    .buycar-2 .list2:nth-last-child(2) p {
        margin-top: 20px;
        width: 100%;
    }
    .choose_way {}
    .input3 {
        margin-top: 20px !important;
    }
    .member .m_left {
        width: 100%;
        white-space: nowrap;
        padding: 0 5px;
        margin-top: 50px;
        overflow: auto;
        box-sizing: border-box;
    }
    .member .m_left a {
        margin: 0 10px;
        border-bottom: 0;
        display: inline-block;
    }
    .member {
        padding-top: 20px;
        padding-bottom: 30px;
    }
    .member .m_right {
        width: 100%;
        padding: 0 10px 15px;
        margin-top: 20px;
        box-sizing: border-box;
    }
    .m_zlxg p {
        text-indent: 5px;
    }
    .member .buycar-2 .list label {
        width: calc( 100% - 173px);
    }
    .buycar-2 .list2 span {
        width: 75px;
        line-height: 30px;
    }
    .member .change_input .input input {
        width: calc( 100% - 78px)
    }
    .member .change_input .yzm input {
        width: calc( 100% - 160px)
    }
    .box {
        padding-bottom: 20px;
    }
    .member .m_right .input span {
        vertical-align: top;
    }
    .member .m_right .input a {
        margin-left: 0;
    }
    .member .m_right .tab a {
        padding: 0 8px;
    }
    .member .m_right .tab {
        margin: 10px 0;
    }
    .member .over_jc table {
        width: 1200px;
    }
    .m_detail .border {
        padding-left: 10px;
        padding-right: 10px;
    }
    .m_detail .border .title1 {
        line-height: 45px;
    }
    .m_detail .top1 li {
        width: 70px;
    }
    .m_detail .top1 li .line1,
    .m_detail .top1 li .line {
        width: 50px;
    }
    .m_detail .top1 {
        padding-bottom: 30px;
    }
    .m_detail .mid .main p {
        text-indent: 0;
        white-space: initial;
    }
    .m_detail .mid .main p span {
        margin-right: 0;
        display: block;
    }
    .member .m_dd {
        white-space: nowrap;
        overflow: auto;
    }
    .member .m_dd table {
        width: 100%;
    }
    .m_dd .td1 span {
        white-space: initial;
    }
    .m_detail .input_tk .btn1 {
        margin-left: 70px;
    }
    .collect_add {
        width: 94%;
    }
    .header .logo {
        height: 60px;
    }
    .header .to_login {
        margin-top: 10px;
        margin-right: 40px;
        line-height: 40px;
    }
    .header .contain {
        padding: 0;
        width: 94%;
    }
    .part_banner {
        padding-top: 50px;
        height: 250px;
    }
    .part_banner .font {
        margin-left: 0;
        left: 3%;
    }
    .part_banner .font .p1 {
        font-size: 18px;
        margin-bottom: 0;
    }
    .about .tab .contain {
        overflow: auto;
        white-space: nowrap;
    }
    .about .tab a {
        font-size: 14px;
        line-height: 45px;
        padding: 0 10px;
        margin-right: 15px;
    }
    .about .part1 .top .img {
        width: 50%;
        margin-top: 20px;
    }
    .about .part1 .top .p1 {
        font-size: 14px;
        line-height: 24px;
        width: 46%;
    }
    .about .part1 .top {
        padding: 30px 0 50px;
    }
    .about .part1 .main li {}
    .about .part1 .main li .p1 {
        font-size: 16px;
        margin-bottom: 10px;
    }
    .about .part1 .main li .p1 i {
        font-size: 24px;
    }
    .about .part1 .main li .p2 {
        font-size: 14px;
    }
    .about .part1 .main {
        margin-bottom: 40px;
    }
    .about .part1 .mid li {
        padding: 50px 0;
    }
    .about .part1 .mid .li2 {
        padding-left: 0;
    }
    .about .part1 .mid .ico2,
    .about .part1 .mid .ico1 {
        padding-left: 40px;
        background-size: 30px !important;
    }
    .about .part1 .mid .p1 {
        font-size: 16px;
        line-height: 30px;
        margin-bottom: 10px;
    }
    .about .part1 .mid .p2 {
        font-size: 14px;
        line-height: 24px;
    }
    .about .part1 .mid li .bg {
        width: calc( 50vw + 20px);
    }
    .all_title {
        width: 94%;
    }
    .all_title .pq {
        font-size: 18px;
        margin-bottom: 0;
    }
    .about-3 .list li .name {
        font-size: 16px;
    }
    .about-3 .list li .time,
    .about-3 .list li .time2 {
        font-size: 16px;
    }
    .about-3 .list li .time {
        font-size: 60px;
    }
    .about-3 .list2 .list-wrapper {
        width: 94%;
    }
    .about-3 .list2 {
        left: 0;
        right: 0;
        top: 350px;
    }
    .about-3 .arrow a.prev {
        left: 3%;
        margin-left: 0;
        width: 12px;
        height: 21px;
    }
    .about-3 .arrow a.next {
        right: 3%;
        margin-right: 0;
        width: 12px;
        height: 21px;
    }
    .about .part2 {
        height: 540px;
    }
    .all_title .pw {
        width: 100%;
        font-size: 14px;
        line-height: 24px;
    }
    .all_title {
        padding: 25px 0;
    }
    .all_bg {
        padding-bottom: 30px;
    }
    .about .part3 .main {
        text-align: center;
    }
    .about .part3 .main .img {
        position: initial;
        margin-bottom: 20px;
        transform: translate(0, 0);
    }
    .about .part3 .left li .p1 {
        padding-right: 0;
        margin-bottom: 10px;
        padding-left: 20px;
        background-position: left;
    }
    .about .part3 .left {
        margin-left: 0;
        width: 100%;
    }
    .about .part3 .left li {
        text-align: left;
    }
    .about .part3 li .p1 {
        font-size: 16px;
    }
    .about .part3 .left li .p2 {
        padding-right: 0;
        padding-left: 20px;
        font-size: 14px;
        line-height: 20px;
    }
    .about .part3 li {
        width: 100%;
        margin-bottom: 20px;
    }
    .about .part3 .right li .p1 {
        padding-left: 20px;
    }
    .about .part3 li:last-child {
        margin-bottom: 20px;
    }
    .about .part3 .right li .p2 {
        padding-left: 20px;
        font-size: 14px;
        line-height: 20px;
    }
    .about .part3 .right li .p1 {
        margin-bottom: 10px;
    }
    .about .part3 .right {
        margin-right: 0;
        float: left;
        width: 100%;
    }
    .about .part3 .end {
        width: 100%;
        margin: 0 auto;
    }
    .about .part3 .end li .p1 span {
        padding-left: 20px;
    }
    .about .part3 .end li {
        text-align: left;
    }
    .about .part3 .end li .p1 {
        margin-bottom: 10px;
    }
    .about .part3 li .p2 {
        padding-left: 20px;
        font-size: 14px;
        line-height: 20px;
    }
    .about .part4 .swiper-button-next {
        right: 0;
    }
    .about .part4 .swiper-button-prev {
        left: 0;
    }
    .footer .top {
        padding: 30px 0;
    }
    .footer .main {
        width: 100%;
        margin-top: 20px;
    }
    .footer .main li {
        width: 25%;
        margin-right: 0;
    }
    .footer .main li .p1 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    .footer .main li a {
        line-height: 24px;
    }
    .footer .main li:last-child {
        width: 50%;
        margin-right: 0;
    }
    .footer .search {
        margin-top: 20px;
        width: 100%;
    }
    .footer .search input {
        width: calc( 100% - 50px);
    }
    .footer .end span {
        line-height: 24px;
    }
    .footer .end {
        padding: 10px 0 0;
    }
    .footer .end .code {
        width: 100%;
    }
    .footer .end .code li {
        margin-right: 0;
        margin-bottom: 10px;
        width: 100%;
    }
    .down_top span {
        width: 100%;
        font-size: 16px;
        text-align: left;
        line-height: 40px;
    }
    .down_top .nav1 {
        margin-left: 0;
        white-space: nowrap;
        overflow: auto;
    }
    .down_top .nav1 a {
        font-size: 14px;
        margin-right: 10px;
        padding: 0 10px;
        line-height: 40px;
    }
    .download .left {
        width: 100%;
        height: inherit;
        max-height: 250px;
        padding: 20px 10px 0;
    }
    .right_slide li>a {
        width: 40px;
        height: 40px;
    }
    .right_slide li i {
        background-size: 24px !important;
    }
    .right_slide li span {
        line-height: 38px;
        font-size: 16px;
    }
    .download .left .nav>.nav-item>a {
        font-size: 16px;
    }
    .download .left .nav>.nav-item {
        margin-bottom: 10px;
    }
    .download .left .nav>.nav-item .show {
        width: 80%;
        margin-left: 10%;
    }
    .download .left .nav>.nav-item .show .show {
        width: 80%;
        margin-left: 10%;
    }
    .download .right {
        width: 100%;
    }
    .download .content li {
        line-height: 50px;
    }
    .download .content li .p1 {}
    .download .content li .p1 * {
        margin-left: 10px;
    }
    .download .content li .btn2,
    .download .content li .btn1 {
        margin-top: 0;
    }
    .download .content li div.fr {
        margin-left: 10px;
        padding: 5px 0;
    }
    .download .content li .p1 span {
        max-width: calc( 100% - 110px);
        white-space: nowrap;
        overflow: hidden;
        font-size: 16px;
        text-overflow: ellipsis;
    }
    .more_btn {
        width: 100px;
        line-height: 38px;
        font-size: 16px;
    }
    .in_product>img,
    .in_video>img {
        display: block;
        width: 100%;
    }
    .in_product video,
    .in_video video {
        display: none;
        position:absolute;
        z-index: -10000;
        visibility: hidden;
        opacity: 0;
        height: 0;
        width:0;
    }
    .in_video {
        padding-top: 60px;
    }
    .in_video .font {
        bottom: initial;
        top: 50%;
        width: 94%;
        left: 3%;
        transform: translate(0, -50%)
    }
    .in_video .font .p1 {
        font-size: 18px;
        letter-spacing: 5px;
    }
    .in_video .font .p2 {
        font-size: 14px;
        margin-top: 10px;
    }
    .in_product {
        position: relative;
    }
    .in_product>img {
        position: absolute;
        top: 0;
        max-width: initial;
        height: 100%;
        left: 50%;
        transform: translate(-50%, 0)
    }
    .in_product .tab {
        margin-top: 20px;
        float: none;
        position: inherit;
        padding: 20px 0 0 30px;
        background-size: contain;
    }
    .in_product .tab li {
        margin: 20px 0;
    }
    .in_product .main {
        margin-right: 0;
        width: 100%;
    }
    .in_product .main .img {
        margin-top: 20px;
        width: 50%;
    }
    .in_product .main .font {
        margin-top: 20px;
        width: 50%;
    }
    .in_product .main .font .p2 {
        text-align: center;
        font-size: 18px;
        margin-bottom: 30px;
    }
    .in_product .main .font .p1 {
        text-align: center;
        font-size: 24px;
    }
    .in_product .main .font .p3 {
        font-size: 16px;
        text-align: center;
    }
    .in_product .main .font .p4 {
        font-size: 14px;
        margin-bottom: 20px;
        text-align: center;
    }
    .in_product .main .font ul li {
        margin-right: 2%;
        width: 32%;
    }
    .in_product .main .font div.clear {
        width: 94%;
        margin: 0 auto;
    }
    .in_product {
        padding: 50px 0;
    }
    .in_title {
        padding-top: 50px;
        width: 94%;
        margin: 0 auto;
    }
    .in_title .p1 {
        font-size: 24px;
    }
    .in_title .p2 {
        font-size: 18px;
    }
    .in_title .p3 {
        font-size: 16px;
        margin: 15px 0;
    }
    .in_title .p4 {
        font-size: 14px;
    }
    .in_advantage .main {
        width: 100%;
        margin-top: 100px;
    }
    .in_advantage .main .img1 {
        width: 40%;
    }
    .in_advantage .main .img3 {
        width: 40%;
        margin-left: -40%;
    }
    .in_advantage .main .img2 {
        width: 40%;
    }
    .in_advantage .main a.right {
        margin-left: -40%;
    }
    .in_advantage {
        padding-bottom: 50px;
    }
    .in_partner .main .content a {
        width: calc( 100vw / 5);
        height: 60px;
    }
    .in_partner .main .content a:nth-of-type(2n) {
        transform: translate(0, 80px);
    }
    .in_partner {
        padding-bottom: 0;
    }
    .in_partner .vapper {
        margin-top: 50px;
    }
    .in_product {
        overflow: hidden;
    }
    .part_banner .font .p2 {
        font-size: 16px;
        line-height: 20px;
    }
    .part_banner .font .p3 {
        line-height: 20px;
    }
    .landing .tab a {
        line-height: 40px;
        margin-right: 10px;
    }
    .landing .tab {
        white-space: nowrap;
        overflow: auto;
    }
    .landing .bankuai1 .main li {
        width: 48.5%;
        margin-right: 3%;
        margin-bottom: 20px;
    }
    .landing .bankuai1 .main li:nth-of-type(2n) {
        margin-right: 0;
    }
    .landing .bankuai1 .main li img {
        width: 50px;
    }
    .landing .bankuai1 .main li .p1 {
        font-size: 16px;
        margin: 15px 0;
    }
    .landing .bankuai1 .main li .p2 {
        font-size: 14px;
        line-height: 25px;
        margin-bottom: 10px;
        height: 75px;
    }
    .landing .bankuai3 .font {
        width: 100%;
        box-sizing: border-box;
        padding: 20px 10px;
    }
    .landing .bankuai3 .font .p1 {
        font-size: 16px;
        margin-bottom: 15px;
    }
    .landing .bankuai3 .font .p2 {
        font-size: 14px;
        line-height: 20px;
    }
    .landing .bankuai3 .main {
        height: 370px;
    }
    .landing .bankuai3 .tab1 a {
        line-height: 40px;
        display: inline-block;
        padding: 0 10px;
        margin-right: 10px;
        font-size: 14px;
    }
    .landing .bankuai3 .tab1 {
        overflow: auto;
        display: block;
        white-space: nowrap;
    }
    .landing .bankuai5 .main li {
        width: 48.5%;
        margin-right: 3%;
        margin-bottom: 20px;
    }
    .landing .bankuai5 .main li:nth-of-type(2n) {
        margin-right: 0;
    }
    .landing .video_wapper .video {
        height: 200px;
    }
    .landing .bankuai5 .main li .img img {
        width: 100%;
    }
    .landing .bankuai5 .main li .img p {
        font-size: 16px;
    }
    .landing .bankuai5 .main li .font {
        padding: 15px;
    }
    .landing .bankuai5 .main li .p1 {
        font-size: 14px;
        line-height: 24px;
        height: inherit;
    }
    .landing .bankuai6 .font {
        margin: 0 auto 0;
        width: 94%;
        float: none;
    }
    .landing .bankuai6 .font .p1 {
        font-size: 16px;
        margin-bottom: 20px;
        padding-top: 20px;
    }
    .landing .bankuai6 .font .p2 {
        line-height: 24px;
    }
    .landing .bankuai6 .img {
        margin-top: 20px;
        margin-right: 0;
        float: none;
        margin-left: 3%;
        max-width: 50%;
    }
    .landing .bankuai6 .tab2 {
        width: 100%;
        float: none;
    }
    .landing .bankuai6 .tab2 a.active {
        padding-top: 20px;
    }
    .landing .bankuai6 .tab2 a {
        padding: 50px 10px 0;
    }
    .landing .bankuai6 .tab2 a .p2 {
        height: 48px;
        overflow: hidden;
    }
    .landing .bankuai6 .tab2 a .p1 {
        font-size: 16px;
        margin-top: 5px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .footer .top img {
        max-width: 50%;
    }
    .member .m_right .btn1 {
        margin-left: 0;
    }
    .news .left .main li .img {
        width: 35%;
        height: inherit;
    }
    .news .left {
        width: 100%;
    }
    .news .left .main li {
        padding: 10px;
        margin-bottom: 20px;
    }
    .news .left .main li .font {
        width: 62%;
    }
    .news .left .main li .font .p1 {
        font-size: 16px;
    }
    .news .left .main li .font .btn {
        display: none;
    }
    .news .left .main li .font .p3 {
        height: 48px;
    }
    .news .right {
        width: 100%;
        margin-top: 30px;
    }
    .news .right .part1 li .p2 {
        width: calc( 100% - 68px)
    }
    .news .detail {
        padding: 20px 10px;
    }
    .news .detail .p1 {
        font-size: 16px;
        line-height: 30px;
    }
    .news .detail .p2 span {
        padding: 0 10px;
        margin-right: 10px;
    }
    .news .detail .np a {
        float: left;
        width: 100%;
    }
    .product .part1 {
        height: 400px;
    }
    .product .part1 .font {
        width: 50%;
    }
    .product .part1 .img {
        width: 48%;
    }
    .product .part1 .font .p1 {
        font-size: 16px;
        margin-bottom: 20px;
    }
    .product .part1 .font .p2 {
        font-size: 14px;
        line-height: 24px;
    }
    .product .part1 .font .btn{
        margin-top: 20px;
    }
    .product .part1 .font .btn a {
        width: 100px;
    }
    .product .part2 .font {
        width: 100%;
        margin-top: 20px;
    }
    .product .part2 .font .p1 {
        font-size: 16px;
        margin-bottom: 20px;
    }
    .product .part2 .font .main li {
        width: 25%;
        margin-bottom: 20px;
        box-sizing: border-box;
        padding: 0 20px !important;
    }
    .product .part2 .font .main li .p3 {
        font-size: 16px;
    }
    .product .part3 .main li {
        padding-right: 0;
        width: 100%;
        margin-bottom: 20px;
    }
    .product .part3 .main li .p1 {
        font-size: 16px;
        margin-top: 15px;
    }
    .product .part3 .main li .p2 {
        font-size: 14px;
        line-height: 20px;
    }
    .all_part3 .content span {
        width: 100%;
        margin-right: 0;
        font-size: 16px;
        text-align: left;
    }
    .all_part3 .content {
        margin-bottom: 20px;
    }
    .all_part3 .msg {
        margin-top: 10px;
    }
    .video_wapper .video {
        height: 200px;
    }
    .product .part_table .p1 {
        font-size: 16px;
    }
    .product .part_table table th {
        font-size: 14px;
        padding: 10px 0;
        min-height: 40px;
        width: 80px;
    }
    .product .part_table table td {
        min-height: 40px;
        padding: 10px 0;
        font-size: 14px;
    }
    .inside_banner {
        height: 250px;
    }
    .inside_banner .font1 .p1 {
        font-size: 18px;
        line-height: 24px;
        margin-bottom: 10px;
    }
    .inside_banner .font1 .p2 {
        font-size: 14px;
        line-height: 20px;
    }
    .inside_banner .font1 {
        width: 94%;
        margin-left: 0;
        left: 3%;
    }
    .technology .part1 .contain {
        width: 94%;
        text-align: center;
    }
    .technology .part1 .img {
        width: 100%;
        text-align: center;
    }
    .technology .part1 .img a {
        display: none;
    }
    .technology .part1 .font .main {
        position: inherit;
        opacity: 1;
        visibility: visible;
        margin-bottom: 0;
        padding: 20px 10px;
        box-sizing: border-box;
        width: 100%;
    }
    .technology .part1 .font {
        width: 100%;
        height: inherit;
        padding: 0;
        display: none;
        border-top: 0;
    }
    .technology .part1 .font .main .p1 {
        font-size: 16px;
        margin-top: 10px;
    }
    .technology .part1 .font .main .p2 {
        font-size: 14px;
        line-height: 24px;
        margin-top: 15px;
    }
    .all_part3 .msg li {
        margin-left: 20px;
    }
    .technology .part5 .content {
        width: 100%;
    }
    .technology .part5 .main {
        display: flex;
        flex-wrap: wrap;
    }
    .technology .part5 .main li {
        position: initial;
        width: 50%;
        margin-bottom: 20px;
    }
    .technology .part5 .main li.active {
        transform: scale(1);
    }
    .technology .part5 .main li .p2 {
        opacity: 1;
    }
    .technology .part6 .tab a {
        font-size: 16px;
        margin: 0 10px;
    }
    .technology .part6 .main li {
        width: 48.5%;
        margin-right: 3%;
    }
    .technology .part6 .main li:nth-of-type(2n) {
        margin-right: 0;
    }
    .technology .part6 .main li .img {
        margin-bottom: 10px;
    }
    .technology .part5 .main {
        height: inherit;
    }
}

@media (min-width: 1251px) and (max-width: 1601px) {
    .header .nav>.nav-item>a {
        padding:0 13px;
        width: inherit;
    }
    .in_product .main .img {
        max-width: 50%;
    }
    .in_product .main {
        width: calc( 100% - 270px);
        margin-right: 50px;
    }
    .in_product .main .font {
        max-width: 50%;
    }
    .in_product .main .font ul li {
        margin-right: 10px;
    }
}