/*banner*/
/*@media (min-width: 1080px)and  (max-width: 1920px) {*/
.banner {
    position: relative;
}

.swiper {
    width: 100%;
    height: 970px;
}

.banner .swiper img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.banner .wenzi {
    position: absolute;
    z-index: 8;
    width: 100%;
    left: 0;
    top: 270px;
}

.banner .big_title {
    color: #fff;
    font-size: 74px;
}

.banner .small_title {
    color: #fff;
    font-size: 40px;
}

.but_box {
    margin-top: 62px;
}

.banner .but {
    height: 55px;
    padding: 0 20px;
    border-radius: 8px;
    color: #fff;
    font-weight: bold;
    font-size: 20px;
    letter-spacing: 2px;
    margin-right: 24px;
    box-sizing: border-box;
}

.banner .chanping {
    background: none;
    border: 1px solid #fff;
}

.banner .xunjia {
    background: #cf1318;
    border: none;
}

/* 公司的产品 */
.column1 {
    margin-top: 96px;
}

.title_box .title_hot .tit {
    color: #1e50ae;
    font-size: 38px;
    font-weight: bold;
    line-height: 1;
}
.title_box .tit {
    color: #1e50ae;
    font-size: 38px;
    font-weight: bold;
    line-height: 1;
}
.title_box .title_hot{
    display: flex;
    align-items: center;
}
.title_box .title_hot img{
    width: 100px;
    height: 80px;
}
.title_box .title {
    font-size: 38px;
    font-weight: bold;
    /*margin-top: 10px;*/
    color: #1e50ae;
}

.column1 .button {
    width: 200px;
    height: 50px;
    border-radius: 8px;
    border: 1px solid #1e50ae;
    color: #1e50ae;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    line-height: 50px;
    float: right;
    margin-top: -60px;
}

.column1 ul {
    margin-top: 70px;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    margin-left: -10px;
    margin-right: -10px;
}

.column1 ul li {
    width: 25%;
    padding: 0 10px;
    margin-bottom: 25px;
}

.column1 .tu {
    width: 100%;
    height: 345px;
    background: #f0f0f0;
    padding: 20px;
    box-sizing: border-box;
}

.column1 .tu img {
    width: 100%;
    height: 100%;
    object-fit: scale-down;
    transition: transform 0.3s ease;

}

.column1 .tu img:hover {
    transform: scale(1.1);
}

.column1 .biaoti {
    font-size: 20px;
    width: 100%;
    text-align: center;
    font-weight: bold;
    margin-top: 25px;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    transition: transform 0.3s ease;
}

.column1 .biaoti:hover {
    transform: scale(1.3);
}

.column1 .leixing {
    font-size: 20px;
    width: 100%;
    text-align: center;
    margin-top: 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    transition: transform 0.3s ease;
}

.column1 .leixing:hover {
    transform: scale(1.1);
}

.column1 .productMobileMore {
    display: none;
}

/* column2 公司介绍 */
.column2 {
    width: 100%;
    height: auto;
    background: #f0f0f0;
    margin-top: 58px;
    padding-bottom: 60px;
    box-sizing: border-box;
}

.column2 .wrapper {
    display: flex;
    justify-content: space-between;
}

.companyPro {
    height: 760px;
    flex: 1;
    padding-right: 80px;
    box-sizing: border-box;
    margin-top: 156px;

}

.companyInfor{
    height: 65%;
    overflow: hidden;
}

.companyPro div {
    margin-top: 30px;
}

.companyPro div p {
    font-size: 16px;
    line-height: 30px;
    color: #606060;
}

.companyPro a {
    display: block;
    width: 200px;
    height: 48px;
    line-height: 48px;
    color: #fff !important;
    font-weight: bold;
    font-size: 18px;
    border-radius: 6px;
    background: #cf1318;
    text-align: center;
    margin-top: 50px;
}

.companyImg {
    width: 600px;
    height: 692px;
    border: 2px solid #a1b4d7;
    box-sizing: border-box;
    margin-top: 156px;
}

.companyImg #companyPro {
    width: 100%;
    height: 100%;
    position: relative;
    top: -24px;
    left: -24px;
}

.companyImg #companyPro img {
    width: 100%;
    height: 100%;
    /*object-fit: cover;*/
}

.companyVideo {
    border: none;
    display: flex;
    align-items: center;
}

.companyVideo video {
    width: 100%;
    height: 338px;
}

/*为什么选择我们*/
.selectUs {
    width: 100%;
    height: auto;
    background: #fff;
    padding-top: 157px;
    box-sizing: border-box;
}

.selectUsBox {
    margin-top: 80px;
    padding-bottom: 40px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
}

.selectUsCommon>div {
    display: flex;
    justify-content: space-between;
}

.selectUsCommon>div img {
    width: 90px;
    height: 90px;
    margin-right: 25px;
    margin-top: 30px;
}

.selectUsCommon>div div {
    flex: 1;
}

.selectUsCommon>div h3 {
    font-size: 24px;
    color: #1e50af;
    margin-bottom: 40px;
}

.selectUsCommon>div p {
    position: relative;
    font-size: 18px;
    line-height: 30px;
    color: #838383;
    padding-bottom: 90px;
}

.selectUsCommon>div p::after {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 85%;
    height: 1px;
    content: '';
    background: #c2c2c2;
}

.selectUsBox>div {
    width: 33.3333%;
}

.selectUsCommon>div:nth-child(2) {
    padding-top: 70px;
}

.selectUsCommon>div:nth-child(2) p::after {
    display: none;
}

.s-u-middle>div {
    text-align: center;
    width: 390px;
    height: 390px;
    border-radius: 50%;
    border: 1px solid #ccc;
    position: relative;
    left: 50%;
    top: 42%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
}

.s-u-middle>div:after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    z-index: -1;
    width: 330px;
    height: 330px;
    margin-top: -165px;
    margin-left: -165px;
    border: 1px solid #ccc;
    transform: rotate(45deg)
}

.s-u-middle>div img {
    margin-bottom: 20px;
}

.s-u-middle>div p {
    font-size: 24px;
    margin: 0;
}

/*涉及领域 350*580*/
.involveArea {
    width: 100%;
    background: #f0f0f0;
    padding-top: 137px;
    padding-bottom: 70px;
    box-sizing: border-box;
}

.involveAreaSwiper {
    box-sizing: border-box;
    position: relative;
    top: -70px;
}

.involveAreaSwiper #involveArea {
    padding-top: 120px;
    height: 615px;
}

.involveArea-item {
    height: 100%;
    overflow: hidden;
}

.involveArea-item>div {
    display: block;
    cursor: pointer;
    width: 100%;
    height: 100%;
}

.involveArea-item img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    object-fit: cover;
}

.involveArea-item .bottom {
    position: absolute;
    bottom: 40px;
    right: 0;
    color: #fff;
    font-weight: bold;
    font-size: 24px;
    text-align: right;
    padding-right: 40px;
    box-sizing: border-box;
}

.involveArea-item .top {
    color: #fff;
    font-size: 20px;
    width: 25px;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    margin-top: 20px;
    font-weight: bold;
    margin-left: 30px;
}

.involveArea-item .con_icon {
    width: 88px;
    height: 88px;
    position: absolute;
    top: 20px;
    right: 16px;
}

.involveArea-item .con_icon span {
    display: block;
    width: 100%;
    height: 100%;
}

.involveArea-item .con_icon span img {
    z-index: 1;
    border-radius: 50%;
    transition: transform 0.3s ease;
}

.involveArea-item .con_icon span img:hover {
    transform: scale(1.5);
}

.involveArea-item .line {
    display: inline-block;
    width: 1px;
    height: 60px;
    background: #fff;
    vertical-align: middle;
    margin-left: 37px;
    margin-top: 27px;
}

#involveArea .swiper-button-next,
#involveArea .swiper-button-prev {
    width: 54px;
    height: 54px;
    border: 1px solid #1e50af;
    border-radius: 5px;
    top: 45px;
}

#involveArea .swiper-button-prev {
    left: auto;
    right: 88px;
}

.swiper-button-next:after,
.swiper-button-prev:after {
    font-size: 28px !important;
    color: #1f51af !important;
}

.swiper-button-prev:hover::after,
.swiper-button-next:hover::after {
    color: #fff !important;
}

#involveArea .swiper-button-prev:hover,
#involveArea .swiper-button-next:hover {
    transition: 0.3s;
    background: #cf1318;
    border: 1px solid #cf1318;
}

/*}*/

@media (-webkit-min-device-pixel-ratio: 1.5), (min-resolution: 120dpi){
    .involveArea{
        padding-top: 95px;
        padding-bottom: 50px;
    }
    #involveArea .swiper-button-next, #involveArea .swiper-button-prev{
        width: 45px;
        height: 45px;
    }
    #involveArea .swiper-button-prev{
        right:65px;
    }
    .involveAreaSwiper #involveArea{
        height: 500px;
    }
    .companyImg{
        width: 425px;
        height: 600px;
    }
    .column1 .tu{
        width: 100%;
        height: 250px;
    }
    .banner .big_title{
        font-size: 54px;
    }
    .swiper{
        height: 790px;
    }
    .selectUs{
        padding-top: 90px;
    }
    .selectUsBox{
        margin-top: 50px;
        padding-bottom: 20px;
    }
}

@media (min-width: 1024px)and (max-width: 1280px) {
    .involveArea-item .bottom {
        font-size: 20px;
    }
}

@media (min-width: 768px)and (max-width: 1024px) {
    .banner .wenzi {
        width: 100%;
        left: 0;
        margin-left: 0;
        top: 0;
        padding: 53px 10px 0 25px;
    }

    .banner .swiper {
        height: 230px;
    }

    .banner .swiper img {
        height: 100%;
        width: 100%;
        object-fit: cover;
    }

    .banner .big_title {
        font-size: 20px;
        margin-bottom: 5px;
    }

    .banner .small_title {
        font-size: 14px;
    }

    .banner .but {
        padding: 0 10px;
        height: 40px;
        font-size: 16px;
        margin-right: 8px;
        letter-spacing: 0px;
        vertical-align: middle;
        box-sizing: border-box;
    }

    .banner .xunjia {
        border: 1px solid #cf1318;
    }

    .but_box {
        margin-top: 30px;
    }

    /*  小标题 */
    .title_box {
        text-align: center;
    }

    .title_box .tit {
        font-size: 34px;
    }

    .title_box .title {
        font-size: 18px;
        margin-top: 5px;
    }

    .title_box a {
        display: none;
    }

    /*  公司的产品  */
    .column1 {
        margin-top: 35px;
    }

    .column1 ul {
        margin-top: 35px;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .column1 ul li {
        width: 50%;
        padding: 0 5px;
        margin-bottom: 15px;
    }

    .column1 .tu {
        height: 175px;
        padding: 10px;
    }

    .column1 .biaoti {
        color: #000;
        font-size: 18px;
        margin-top: 15px;
        margin-bottom: 8px;
        overflow: hidden;
        text-overflow: ellipsis;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
    }

    /*.column1 .biaoti:hover{*/
    /*    animation-duration: 2s;*/
    /*}*/
    .column1 .leixing {
        font-size: 15px;
        margin-top: -5px;
    }

    .column1 .productMobileMore {
        display: block;
        height: 50px;
        width: 200px;
        border-radius: 8px;
        border: 1px solid #1e50ae;
        color: #1e50ae !important;
        font-size: 16px;
        font-weight: bold;
        letter-spacing: 2px;
        text-align: center;
        line-height: 50px;
        margin: 0 auto;
    }

    /*  公司介绍  */
    .companyPro {
        margin-top: 0px;
        padding: 0px;
    }

    .column2 {
        margin-top: 45px;
        padding: 0 15px 10px 15px;
        box-sizing: border-box;
        text-align: center;

    }

    .column2 .wrapper {
        display: inline-block;
        position: relative;
    }

    .companyPro a {
        width: 180px;
        margin: 25px auto;
        background: #f0f0f0;
        border: 1px solid #1e50ae;
        color: #1e50ae !important;
        line-height: 47px;
    }

    .companyPro .companyInfor {
        padding-top: 300px;
    }

    .companyImg {
        width: 96%;
        height: 290px;
        margin-top: 0;
        position: absolute;
        top: 125px;
        right: 0;
    }

    .companyImg #companyPro {
        left: -12px;
        top: -13px;
    }

    .companyVideo {
        width: 100%;
        border: none;
        top: 95px;
    }

    .companyVideo video {
        height: 290px;
    }

    /*  为什么选择我们  */
    .selectUs {
        padding-top: 35px;
    }

    .selectUsBox {
        margin-top: 60px;
        position: relative;
        flex-wrap: wrap;
        padding: 280px 15px 15px 15px;
    }

    .selectUsBox>div {
        width: 100%;
    }

    .s-u-middle {
        position: absolute;
        left: 0;
        top: 0;
    }

    .s-u-middle>div {
        top: 0;
        transform: translate(-50%, 0);
        width: 250px;
        height: 250px;
    }

    .s-u-middle>div img {
        width: 70px;
        margin-bottom: 10px;
    }

    .s-u-middle>div p {
        font-size: 16px;
        font-weight: bold;
    }

    .s-u-middle>div:after {
        width: 84%;
        height: 84%;
        margin-top: -42%;
        margin-left: -42%;
    }

    .selectUsCommon>div:nth-child(2) {
        padding-top: 0;
    }

    .selectUsCommon>div h3 {
        margin-bottom: 10px;
        margin-top: 10px;
        font-size: 18px;
    }

    .selectUsCommon>div p {
        padding-bottom: 15px;
        font-size: 14px;
        line-height: 22px;
    }

    .selectUsCommon>div p::after {
        width: 100%;
    }

    .selectUsCommon>div img {
        display: none;
    }

    .s-u-right {
        border-top: 1px solid #c2c2c2;
    }

    .s-u-right>div:nth-child(1) h3 {
        margin-top: 20px;
    }

    .s-u-left>div:nth-child(2) p {
        margin: 0;
    }

    /*  涉及领域  */
    .involveArea {
        padding-top: 35px;
        padding-bottom: 30px;
    }

    .involveAreaSwiper {
        padding: 0 15px;
        top: 0;
        margin-top: 25px;
    }

    .involveAreaSwiper #involveArea {
        padding-top: 0;
        padding-bottom: 100px;
        height: 350px;
    }

    .involveAreaButton {
        display: flex;
        justify-content: center;
        margin-top: 30px;
    }

    .involveAreaButton>div {
        position: static;
        margin: 0 8px;
    }

    .involveArea-item {
        height: 260px !important;
    }

    .involveArea-item .top {
        margin-top: 15px;
        margin-left: 10px;
    }

    .involveArea-item .con_icon {
        width: 60px;
        height: 60px;
        position: absolute;
        top: 10px;
        left: 70px;
    }

    .involveArea-item .line {
        margin-left: 19px;
        margin-top: 17px;
        height: 45px;
    }

    .involveArea-item .bottom {
        font-size: 20px;
        bottom: 10px;
        padding-right: 10px;
    }

    #involveArea .swiper-button-next,
    #involveArea .swiper-button-prev {
        width: 45px;
        height: 45px;
    }

    .swiper-button-next:after,
    .swiper-button-prev:after {
        font-size: 24px !important;
    }


}

@media (max-width: 768px) {

    /*  banner  */
    .banner .wenzi {
        width: 100%;
        left: 0;
        margin-left: 0;
        top: 0;
        padding: 53px 10px 0 25px;
    }

    .banner .swiper {
        height: 230px;
    }

    .banner .swiper img {
        height: 100%;
        width: 100%;
        object-fit: cover;
    }

    .banner .big_title {
        font-size: 20px;
        margin-bottom: 5px;
    }

    .banner .small_title {
        font-size: 14px;
    }

    .banner .but {
        padding: 0 10px;
        height: 40px;
        font-size: 16px;
        margin-right: 8px;
        letter-spacing: 0px;
        vertical-align: middle;
        box-sizing: border-box;
    }

    .banner .xunjia {
        border: 1px solid #cf1318;
    }

    .but_box {
        margin-top: 30px;
    }

    /*  小标题 */
    .title_box {
        text-align: center;
        padding-left: 10px;
    }

    .title_box .tit {
        font-size: 32px !important;
    }

    .title_box .title {
        font-size: 18px;
        margin-top: 5px;
    }

    .title_box a {
        display: none;
    }

    /*  公司的产品  */
    .column1 {
        margin-top: 35px;
    }

    .column1 ul {
        margin-top: 35px;
        padding: 0 15px;
        box-sizing: border-box;
    }

    .column1 ul li {
        width: 50%;        margin-bottom: 15px;

        padding: 0 5px;
    }

    .column1 .tu {
        height: 175px;
        padding: 10px;
    }

    .column1 .biaoti {
        color: #000;
        font-size: 18px;
        margin-top: 15px;
        margin-bottom: 8px;
        overflow: hidden;
        text-overflow: ellipsis;
        -webkit-line-clamp: 1;
        display: -webkit-box;
        -webkit-box-orient: vertical;
    }

    .column1 .leixing {
        font-size: 15px;
        margin-top: -5px;
    }

    .column1 .productMobileMore {
        display: flex;
        height: 50px;
        width: 200px;
        border-radius: 8px;
        color: #fff !important;
        font-size: 18px;
        font-weight: bold;
        text-align: center;
        line-height: 50px;
        margin: 0 auto;
        background: #cf1318;
        align-items: center;
        justify-content: center;
    }

    /*  公司介绍  */
    .companyPro {
        margin-top: 0px;
        padding: 0px;
    }

    .column2 {
        margin-top: 45px;
        padding: 0 15px 50px 15px;
        box-sizing: border-box;
    }

    .column2 .wrapper {
        display: inline-block;
        position: relative;
    }

    .companyPro a {
        width: 180px;
        margin: 0px auto 10px;
        background: #f0f0f0;
        color: #fff !important;
        line-height: 47px;
        background: #cf1318;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .companyPro .companyInfor {
        padding-top: 450px;
    }
    .companyInfor{
        height: 90%;
    }
    .companyPro div {
        margin-top: 25px;
    }

    .companyImg {
        width: 96%;
        height: 435px;
        margin-top: 0;
        position: absolute;
        top: 90px;
        right: 0;
        border: 1px solid #a1b4d7;
    }

    .companyImg #companyPro {
        left: -12px;
        top: -13px;
    }

    .companyVideo {
        width: 100%;
        border: none;
        top: 95px;
    }

    .companyVideo video {
        height: 210px;
    }

    /*  为什么选择我们  */
    .selectUs {
        padding-top: 35px;
    }

    .selectUsBox {
        margin-top: 60px;
        position: relative;
        flex-wrap: wrap;
        padding: 280px 15px 15px 15px;
    }

    .selectUsBox>div {
        width: 100%;
    }

    .s-u-middle {
        position: absolute;
        left: 0;
        top: 0;
    }

    .s-u-middle>div {
        top: 0;
        transform: translate(-50%, 0);
        width: 250px;
        height: 250px;
    }

    .s-u-middle>div img {
        width: 70px;
        margin-bottom: 10px;
    }

    .s-u-middle>div p {
        font-size: 16px;
        font-weight: bold;
    }

    .s-u-middle>div:after {
        width: 84%;
        height: 84%;
        margin-top: -42%;
        margin-left: -42%;
    }

    .selectUsCommon>div:nth-child(2) {
        padding-top: 0;
    }

    .selectUsCommon>div h3 {
        margin-bottom: 10px;
        margin-top: 10px;
        font-size: 18px;
    }

    .selectUsCommon>div p {
        padding-bottom: 15px;
        font-size: 14px;
        line-height: 22px;
    }

    .selectUsCommon>div p::after {
        width: 100%;
    }

    .selectUsCommon>div img {
        display: none;
    }

    .s-u-right {
        border-top: 1px solid #c2c2c2;
    }

    .s-u-right>div:nth-child(1) h3 {
        margin-top: 20px;
    }

    .s-u-left>div:nth-child(2) p {
        margin: 0;
    }

    /*  涉及领域  */
    .involveArea {
        padding-top: 35px;
        padding-bottom: 5px;
    }

    .involveAreaSwiper {
        padding: 0 15px;
        top: 0;
        margin-top: 25px;
    }

    .involveAreaSwiper #involveArea {
        padding-top: 0;
        padding-bottom: 100px;
        height: 635px;
    }

    .involveAreaButton {
        display: flex;
        justify-content: center;
        margin-top: 30px;
    }

    .involveAreaButton>div {
        position: static;
        margin: 0 8px;
    }

    .involveArea-item {
        height: 260px !important;
    }

    .involveArea-item .top {
        margin-top: 15px;
        margin-left: 10px;
    }

    .involveArea-item .con_icon {
        width: 50px;
        height: 50px;
        position: absolute;
        top: 15px;
        right: 10%;
    }

    .involveArea-item .line {
        margin-left: 19px;
        margin-top: 17px;
        height: 45px;
    }

    .involveArea-item .bottom {
        font-size: 20px;
        bottom: 10px;
        padding-right: 10px;
    }

    #involveArea .swiper-button-next,
    #involveArea .swiper-button-prev {
        width: 45px;
        height: 45px;
    }

    .swiper-button-next:after,
    .swiper-button-prev:after {
        font-size: 24px !important;
    }
}