img.img {
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    object-fit: cover;
    transition: allease-in-out .3s;
}

@media screen and (max-width: 950px) {
    img.img {
        position: static !important;
    }


}

a:hover {
    color: var(--active-color);
    text-decoration: none;
}

/*home swiper*/
.slider_banner {
    position: relative;
    overflow: hidden;
}

/* .slider_banner .slider_swiper_buttons{
    display: none !important;
} */
.slider_banner .swiper-button-prev,
.slider_banner .swiper-button-next {
    display: inline-block;
    width: 35px;
    height: 70px;
    line-height: 70px;
    margin-top: -35px;
    text-align: center;
    font-weight: bold;
    color: #999;
    font-size: 20px;
    background: none;
    -webkit-box-sizing: content-box;
    box-sizing: content-box;
    z-index: 3;
    opacity: 1;
    filter: alpha(opacity=100);
    border-radius: 50%;
}

.slider_banner .swiper-button-prev {
    left: 0;
}

.slider_banner .swiper-button-next {
    right: 0;
}

.slider_banner .swiper-button-disabled {
    opacity: .3;
    filter: alpha(opacity=30);
}

.slider_banner .swiper-button-prev:before,
.slider_banner .swiper-button-next:before {
    font-family: 'fontawesome';
    -webkit-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
}

.slider_banner .swiper-button-prev:before {
    position: absolute;
    top: 15px;
    left: 20px;
    width: 13px;
    height: 23px;
    background: url(../images/next.png) no-repeat;
    content: "";
    transform: rotate(180deg);
}

.slider_banner .swiper-button-next:before {
    position: absolute;
    top: 15px;
    left: 20px;
    width: 13px;
    height: 23px;
    background: url(../images/next.png) no-repeat;
    content: "";
}

.slider_banner .swiper-button-prev:not(.swiper-button-disabled):hover,
.slider_banner .swiper-button-next:not(.swiper-button-disabled):hover {
    color: #fff;
    /*border-color:#da251c;*/
    /*background-color:#da251c;*/
}

.slider_banner .swiper-button-white {
    color: #fff;
    opacity: 0;
    filter: alpha(opacity=0);
    width: 52px;
    height: 52px;
    line-height: 52px;
    margin-top: -26px;
    position: absolute;
    background-color: rgba(255, 255, 255, 0.3);
}

.slider_banner .swiper-slide img {
    width: 100%;
}

.slider_banner .swiper-slide img+img {
    position: absolute;
    left: 0;
    top: 0;
}

.slider_banner .swiper-slide img {
    width: 100%;
    transition: 3s linear;
    transform: scale(1.08);
}

.slider_banner .swiper-slide.swiper-slide-active img {
    transform: scale(1);
}

.slider_banner .swiper-pagination {
    width: 100%;
    left: 0;
    bottom: 20px;
    text-align: center;
}

.slider_banner .swiper-pagination-bullet {
    background: #0F0F0F;
    opacity: 0.32;
    margin: 0 8px;
    border: none;
    width: 36px;
    height: 7px;
}

.slider_banner .swiper-pagination-white .swiper-pagination-bullet-active {
    background-color: #444444;
    opacity: 1;
}

.slider_banner .slide-page-box {
    display: none;
}

#sjduan {
    display: none;
}

@media screen and (max-width: 950px) {
    #diannao {
        display: none;
    }

    #sjduan {
        display: block;
    }
}

@media screen and (min-width: 950px) {

    .slider_banner:hover .swiper-button-next,
    .slider_banner:hover .swiper-button-prev {
        opacity: .7;
        filter: alpha(opacity=70);
    }

    .slider_banner:hover .swiper-button-prev {
        left: 60px;
    }

    .slider_banner:hover .swiper-button-next {
        right: 60px;
    }

    .slider_banner:hover .swiper-button-next:hover,
    .slider_banner:hover .swiper-button-prev:hover {
        opacity: 1;
        filter: alpha(opacity=100);
    }
}

/*home page*/
/*case*/
.case_box {
    background-color: var(--active-color);
}

.case_box .case_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.case_box .item {
    width: 18%;
    padding: 3% 2%;
    /* padding: 7% 2% 4%; */
    z-index: 9;
}

.case_box .case_top {
    position: relative;
    font-family: Arial;
    font-weight: bold;
    font-size: 26px;
    font-size: 18px;
    color: #FFFFFF;
    line-height: 1.4;
    margin-bottom: 15px;
    text-transform: uppercase;
}

.banner_icon_img {
    width: 72px;
    height: 0;
    margin-bottom: 30px;
    padding-bottom: calc((72/2.23)*1%);
    position: relative;
}

.banner_icon_img img {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    object-fit: contain;
}

.banner_icon_img img:nth-child(2) {
    display: none;
}


.case_list li:hover .banner_icon_img img:nth-child(1) {
    display: none;
}

.case_list li:hover .banner_icon_img img:nth-child(2) {
    display: block;
}


.case_box .case_top:before {
    content: '';
    width: 45px;
    height: 4px;
    background-color: #000000;
    position: absolute;
    left: 0;
    margin-left: 0;
    top: -15px;
    z-index: 1;
    display: none;
}

.case_box .case_top:after {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background-color: #ffffff;
    position: absolute;
    left: 0;
    margin-left: 0;
    top: -14px;
}

.case_box .case_bottom {
    font-family: Arial;
    font-weight: 400;
    font-size: 16px;
    color: #EDEDED;
    line-height: 1.4;
}

.case_box .case_sw {
    display: none;
}

@media screen and (max-width: 1300px) {
    .case_box .case_top {
        font-size: 22px;
    }
}

@media screen and (max-width: 1100px) {
    .case_box .case_top {
        font-size: 18px;
    }
}


.case_box .item:hover {
    background-color: #f5f5f5;
}

.case_box .item:hover .case_top {
    color: #333333;
}

.case_box .item:hover .case_bottom {
    color: #666666;
}

.case_box .item:hover .case_top:before {
    display: block;
}

.case_box .item:hover .case_top:after {
    background-color: #22408F;
}

@media screen and (min-width: 950px) {
    .case_box .item:hover {
        -webkit-transform: scale(1.2);
        -ms-transform: scale(1.2);
        -o-transform: scale(1.2);
        transform: scale(1.2);
    }
}

@media screen and (max-width: 950px) {
    .case_box .case_list {
        /* flex-direction: column; */
        margin: 0 auto;
    }

    .case_box .item {
        /* padding: 7% 4% 5%; */
        /* width: 100%; */
        width: 50%;
        padding: 5%;
    }

    .case_box .case_top {
        font-size: 16px;
    }

    .case_box .case_top:before {
        display: none;
    }

    .case_box .case_top:after {
        background-color: #fff;
        width: 30%;
    }

    .case_box .item:nth-child(2n) .case_top:after {
        background-color: #22408F;
    }

    .case_box .item:hover .case_top:before {
        display: none;
    }

    /* .case_box .item:nth-child(2n) {
        background-color: #F5F5F5;
    } */

    /* .case_box .item:nth-child(2n) .case_top {
        color: #333333;
    } */

    .case_box .item:nth-child(2n) .case_bottom {
        color: #666666;
    }

    .case_box .layout {
        width: 100%;
        padding: 0;
    }

    .case_box.case_sw {
        display: block;
    }
}

@media screen and (max-width: 768px) {
    .case_box .item {
        /* padding: 7% 4% 5%; */
    }

    .case_box .case_top {
        margin-bottom: 10px;
    }
}

@media screen and (max-width: 500px) {
    .case_box .item {
        /* padding: 11% 4% 5%; */
    }
}

/*products*/
.index_main_pro {
    margin-top: 100px;
}

.index_main_pro .img_box {
    overflow: hidden;
}

.index_main_pro .p-title {
    position: absolute;
    font-size: 26px;
    font-family: Arial-BoldMT;
    left: 8%;
    bottom: 8%;
}

.index_main_pro .flex-box {
    display: flex;
    justify-content: space-between;
}

.index_main_pro .lr {
    width: 37.5%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.index_main_pro .lr .title {
    font-size: 40px;
    font-weight: bold;
    font-family: Arial-BoldMT;
}

.index_main_pro .lr .img_box {
    background: #f7f7f7;
    width: 100%;
    position: relative;
    height: 0;
    padding-top: 110%;
    /* padding-top: 130%; */
}

.index_main_pro .rr {
    width: 60%;
}

.index_main_pro .rr .img_box {
    background: #f7f7f7;
    width: 100%;
    position: relative;
    height: 0;
    padding-top: 40.875%;
    /* padding-top: 56.875%; */
}

.index_main_pro .rr .flex-img {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
}

.index_main_pro .rr .flex-img .left {
    width: 56%;
    background: #f7f7f7;
}

.index_main_pro .rr .flex-img .left .img_box {
    width: 100%;
    position: relative;
    height: 0;
    padding-top: 64.6%;
}

.index_main_pro .rr .flex-img .left .img_box .p-title {
    width: 100%;
    line-height: 1.4;
}

.index_main_pro .rr .flex-img .right {
    width: 40%;
    background: #f7f7f7;
}

.index_main_pro .rr .flex-img .right .img_box.little {
    padding-top: 90.5%;
}

.index_main_pro .rr .flex-img .right .img_box.little .p-title {
    width: 100%;
    left: 0;
    text-align: center;
}

.index_main_pro img.img {
    height: 83%;
    object-fit: contain;
}

.index_main_pro .flex-img img.img {
    height: 76%;
    object-fit: contain;
}

@media screen and (max-width: 1600px) {
    .index_main_pro .p-title {
        font-size: 20px;
        left: 8%;
        bottom: 8%;
    }
}

@media screen and (max-width: 1300px) {
    .index_main_pro .p-title {
        font-size: 16px;
        left: 8%;
        bottom: 8%;
    }
}

@media screen and (max-width: 950px) {
    .index_main_pro {
        margin-top: 60px;
    }

    .index_main_pro .p-title {
        font-size: 18px;
        /* margin-left: 6%; */
        padding: 0 30px;
        position: unset;
        margin: 10px auto;

    }

    .index_main_pro .flex-box {
        flex-direction: column;
    }

    .index_main_pro .img_box {
        height: auto !important;
        padding: 0 !important;
        padding-bottom: 20px !important;
        background-color: #f5f5f5;
    }

    .index_main_pro .lr {
        width: 100%;
    }

    .index_main_pro .lr .title {
        font-size: 30px;
    }

    .index_main_pro .lr .img_box {
        margin-top: 15px;
    }

    .index_main_pro .rr {
        width: 100%;
        margin-top: var(--mobile_margin);
    }

    .index_main_pro .rr .flex-img {
        flex-direction: column;
    }

    .index_main_pro .rr .flex-img .left {
        width: 100%;
    }

    .index_main_pro .rr .flex-img .right {
        width: 100%;
        margin-top: var(--mobile_margin);
    }
}

@media screen and (max-width: 500px) {
    .index_main_pro {
        margin-top: 30px;
    }

    .index_main_pro .rr {
        margin-top: 15px;
    }

    .index_main_pro .rr .flex-img {
        margin-top: 15px;
    }

    .index_main_pro .rr .flex-img .right {
        margin-top: 15px;
    }
}

/*history*/
.index_history {
    /* padding: 60px 0; */
    margin: 8% 0 0;
    position: relative;
    display: flex;
    align-items: center;
}

@media screen and (max-width: 1280px) {
    .index_history {
        padding: 30px 0;
        margin: 30px 0;
    }
}


.index_history .index_hd .hd_title {
    font-family: Arial;
    font-weight: bold;
    font-size: 40px;
    color: #000000;
    text-align: left;
}


.index_history .index_hd p {
    margin-bottom: 15px;
    text-align: left;
    font-family: Arial-BoldMT;
    font-size: 20px;
    color: var(--active-color);
    line-height: 1.5;
}

.index_history .history_box {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.index_history .history_boxl {
    width: 40%;
    padding: 60px 0;
}

.index_history .history_boxr {
    width: 53.5%;
    position: relative;
}

.index_history .history_boxr:after {
    content: '';
    display: block;
    width: 80%;
    height: 160%;
    background-color: var(--active-color);
    position: absolute;
    right: -20%;
    z-index: -1;
    top: -30%;
}

@media screen and (max-width: 950px) {
    .index_history .history_boxr:after {
        height: 130%;
        right: -2.5%;
        top: -16%;
    }
}

.index_history .history_boxr ul {
    display: flex;
    flex-wrap: wrap;
}

.index_history .history_boxr ul li {
    width: 33.3333%;
    text-align: center;
    border: 1px solid #DDDCDC;
    background-color: #fff;
    overflow: hidden;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.index_history .history_boxr ul li img {
    transition: all 0.3s ease;
}

.index_history .history_boxr ul li img:hover {
    transform: scale(1.1);
}

.index_history .history_boxlul li p {
    font-family: Arial;
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    display: inline-flex;
    color: #666666;
}

.index_history .history_boxlul li p span {
    margin-right: 10px;
    font-size: 18px;
    color: var(--active-color);
}

.index_history .history_boxr .num_left_1 {
    font-family: Arial;
    font-weight: bold;
    font-size: 58px;
    color: var(--textActive-color);
    /*color: #333;*/
    line-height: 1.5;
}

.index_history .history_boxr .num_left_2 {
    font-family: Arial;
    font-weight: bold;
    font-size: 58px;
    /*color: #22408F;*/
    color: #333;
    color: var(--textActive-color);
    line-height: 1.5;
}

.index_history .history_boxr .num_right {
    font-family: Arial;
    font-weight: 400;
    font-size: 20px;
    color: #000000;
    line-height: 1.5;
    text-transform: uppercase;
}

.index_history .history_boxl_p {
    margin-bottom: 30px;
}

.index_history .history_boxl_p p {
    font-family: Arial;
    font-weight: 400;
    font-size: 16px;
    line-height: 2;
    color: #666666;
}

.index_history .history_boxl_a {
    margin-top: 20px;
    margin-bottom: 30px;
}

.index_history .history_boxl_a img {
    margin-right: 10px;
}

.index_history .history_boxl_a a {
    font-family: Arial;
    font-weight: normal;
    font-size: 16px;
    color: #333333 !important;
}

.index_history .his_view {
    margin: 60px 0 0px 0;
    display: flex;
}

.index_history .his_view a {
    background: var(--active-color);
    color: #fff;
    padding: 15px 30px;
}

.index_history .his_view a:hover {
    text-decoration: underline;
}

@media screen and (max-width: 1700px) {

    .index_history .history_boxr .num_left_1,
    .index_history .history_boxr .num_left_2 {
        font-size: 50px;
    }

    .index_history .history_boxr .num_right {
        font-size: 16px;
    }
}

@media screen and (max-width: 1400px) {

    .index_history .history_boxr .num_left_1,
    .index_history .history_boxr .num_left_2 {
        font-size: 40px;
    }
}

@media screen and (max-width: 1100px) {
    .index_history .history_boxr .num_left_1 {
        font-size: 30px;
    }

    .index_history .history_boxr .num_left_2 {
        font-size: 30px;
    }
}

@media screen and (max-width: 950px) {
    .index_history {
        padding: 0px 0;
        margin: 30px auto 90px;
    }

    .index_history .history_boxr .num_left_1 {
        font-size: 60px;
    }

    .index_history .history_boxr .num_right {
        font-size: 20px;
    }

    .index_history .index_hd p {
        font-size: 16px;
    }

    .index_history .index_hd .hd_title {
        font-size: 38px;
    }

    .index_history .history_boxr {
        position: relative;
    }

    .index_history .his_view {
        margin: 30px 0 0px 0;
        display: flex;
        padding-bottom: 40px;
    }

    .index_history .history_box {
        display: block;
    }

    .index_history .history_boxl {
        width: 100%;
    }

    .index_history .history_boxr {
        width: 100%;
        /* margin-top: 15%; */
        margin-top: 0;
    }

    .index_history .history_boxr ul li {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }
}

@media screen and (max-width: 768px) {
    .index_history .history_boxr .num_left_1 {
        font-size: 45px;
        line-height: 1.5;
    }

    .index_history .history_boxr .num_right {
        font-size: 16px;
    }

    .index_history .index_hd .hd_title {
        font-size: 30px;
    }

    .index_history .history_boxr .num_left_2 {
        font-size: 18px;
    }

    .index_history .history_boxr .num_right {
        font-size: 16px;
        line-height: 1.5;
    }
}

@media screen and (max-width: 500px) {
    .index_history .history_boxr .num_left_1 {
        font-size: 30px;
    }

    .index_history .history_boxr .num_right {
        font-size: 16px;
    }

    /* .index_history .num_left {
        height: 50%;
    } */

    .index_history .history_boxr {
        /* margin-top: 20%; */
    }
}

/*service*/
.index_main_service {
    position: relative;
    background-repeat: no-repeat;
    background-size: cover;
    margin: 30px 0 0;
    display: flex;
    justify-content: space-between;
}

.index_main_service .lr {
    width: 33%;
    padding: 10% 3% 5% 10%;
}

.index_main_service .lr .l-title {
    font-family: Arial;
    font-weight: bold;
    font-size: 48px;
    color: #fff;
    line-height: 1.5;
}

.index_main_service .lr .l-title a {
    color: #fff;
}

.index_main_service .lr .more {
    display: inline-block;
    margin: 60px 0 40px 0;
    line-height: 44px;
    height: 44px;
    padding: 0 25px;
    background: #ffffff;
}

.index_main_service .lr .more a {
    font-family: Arial;
    font-weight: 400;
    font-size: 16px;
    color: #333333;
}

.index_main_service .lr .more:hover {
    background-color: var(--active-color);
    color: #fff;
}

.index_main_service .lr .more:hover a {
    color: #fff;
}

.index_main_service .rr {
    width: 67%;
}

.index_main_service .rr ul {
    display: flex;
}

.index_main_service .rr .item {
    width: 33.333333%;
    text-align: center;
    padding: 190px 60px 150px 60px;
}

.index_main_service .rr .item .num {
    margin-top: 300px;
    font-family: Arial;
    font-weight: bold;
    font-size: 145px;
    color: #fff;
    line-height: 190px;
    opacity: 0.53;
}

.index_main_service .rr .item .r-title {
    font-family: Arial;
    font-weight: bold;
    font-size: 27px;
    color: #FFFFFF;
    line-height: 1.5;
    position: relative;
    margin-bottom: 45px;
    display: none;
}

.index_main_service .rr .item .r-title:after {
    content: '';
    display: block;
    width: 72px;
    height: 7px;
    background-color: #ffffff;
    position: absolute;
    left: 50%;
    margin-left: -36px;
    bottom: -15px;
}

.index_main_service .rr .item .content {
    font-family: Arial;
    font-weight: normal;
    font-size: 16px;
    color: #fff;
    line-height: 30px;
    display: none;
}

.index_main_service .item:hover {
    background: rgba(27, 60, 138, 0.82);
    /*background: rgba(51, 51, 51, 0.82);*/
}

.index_main_service .item:hover .r-title {
    display: block;
}

.index_main_service .item:hover .content {
    display: block;
}

.index_main_service .item:hover .num {
    display: none;
}

@media screen and (max-width: 1280px) {
    .index_main_service .rr .item {
        padding: 60px 30px;
    }
}

@media screen and (max-width: 950px) {
    .index_main_service {
        flex-direction: column;
    }

    .index_main_service .lr {
        width: 100%;
    }

    .index_main_service .rr {
        width: 100%;
    }

    .index_main_service .rr ul {
        flex-direction: column;
    }

    .index_main_service .rr ul .item {
        width: 100%;
        background: rgba(27, 60, 138, .82);
        border-bottom: 1px dotted #fff;
    }

    .index_main_service .rr ul .item .num {
        display: none;
    }

    .index_main_service .rr ul .item .r-title {
        display: block;
        font-size: 20px;
    }

    .index_main_service .rr ul .item .content {
        display: block;
    }
}

@media screen and (max-width: 768px) {
    .index_main_service {
        margin: 90px auto 0;
    }

    .index_main_service .lr {
        padding: 12% 3% 7% 4%;
    }

    .index_main_service .lr .l-title {
        font-size: 30px;
        line-height: 1.3;
    }

    .index_main_service .lr .more {
        margin: 25px 0 20px 0px;
    }

    .index_main_service .rr ul .item {
        padding: 60px 20px;
    }

    .index_main_service .rr ul .item .r-title:after {
        height: 3px;
    }
}

/*news*/
.index_main_news .index_hd {
    text-align: left;
}

.index_main_news .hd_title {
    margin-bottom: 60px;
    font-weight: bold;
    line-height: 1.1;
    font-family: Arial;
    font-size: 40px;
    color: #000000;
}

.index_main_news .index_hd p {
    font-family: Arial;
    font-weight: bold;
    font-size: 20px;
    color: var(--active-color);
    line-height: 91px;
}

.index_main_news .newlist ul {
    display: flex;
    justify-content: space-between;
    transition: all 0.3s ease;
}

.index_main_news .newlist .item {
    /* flex: 1; */
    max-width: 60%;
    height: 450px;
    box-sizing: border-box;
    overflow: hidden;
    transition: width 0.3s ease;
    border: 1px solid #DDDCDC;
    background: #ffffff;
}

@media screen and (max-width: 1400px) {
    /* .index_main_news .newlist .item:nth-child(3) {
        display: none;
    } */
}

@media screen and (max-width: 950px) {
    .index_main_news .newlist .item:nth-child(3) {
        display: block;
    }

    .index_main_news .newlist .item {
        height: auto;
    }


}

.index_main_news .newlist .item a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

/*.index_main_news .newlist .item:hover .more {*/
/*    display: none;*/
/*}*/

@media screen and (min-width: 950px) {
    .index_main_news .newlist .item.active .more {
        display: none;
    }
}

.index_main_news .newlist .info {
    padding: 30px 30px;
    position: relative;
    height: 100%;
}

.index_main_news .newlist .img_box {
    display: none;
    height: 100%;
}

.index_main_news .newlist li.active .img_box {
    display: block;
    width: 60%;
    position: relative;
    height: 0;
    /* padding-bottom: 50%; */
    height: 100%;
    flex-shrink: 0;
}

.index_main_news .newlist li.active .more {
    color: #000000;
}



.index_main_news .newlist .num {
    font-weight: bold;
    font-size: 89px;
    color: #CECECE;
    line-height: 45px;
    margin-top: 70px;
}

.index_main_news .newlist .date {
    font-weight: normal;
    font-size: 16px;
    color: #A3A3A3;
    line-height: 30px;
    display: block;
    margin-top: 40px;
}

.index_main_news .newlist .time {
    display: none;
    color: #fff;
    margin-top: 40px;
    margin-bottom: 30px;
}

.index_main_news .newlist li .content * {
    font-weight: 400;
    font-size: 16px;
    color: #fff;
    line-height: 29px;
}

.index_main_news .newlist li.active .content {
    display: -webkit-box;
    color: #fff;
}

.index_main_news .newlist li.active {
    background: #22408F;
}

.index_main_news .newlist li.active .title {
    color: #fff;
}

.index_main_news .newlist li.active .time {
    display: block;
}

.index_main_news .newlist li.active .num {
    display: none;
}

.index_main_news .newlist li.active .date {
    display: none;
}

.index_main_news .newlist .title {
    font-weight: 400;
    font-size: 20px;
    color: #333333;
    line-height: 30px;
    font-family: ArialMT;
    font-weight: 400;
}

.index_main_news .newlist .title:hover {
    text-decoration: underline;
}

.index_main_news .newlist .content {
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    line-height: 29px;
    /* height: 58px; */
    /* overflow: hidden; */
    display: none;
}

.index_main_news .newlist .more {
    background: #FFFFFF;
    border-radius: 50%;
    border: 1px solid #DDDCDC;
    width: 43px;
    height: 43px;
    color: #A3A3A3;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 18px;
    position: absolute;
    bottom: 30px;
}

/* @media screen and (max-width: 1600px) {
    .index_main_news .hd_title {
        font-size: 48px;
    }
} */

@media screen and (max-width: 1400px) {
    .index_main_news .hd_title {
        font-size: 32px;
    }
}

@media screen and (min-width: 950px) {
    .index_main_news .item.active .title {
        color: #ffffff;
    }

    .index_main_news .item.active .content {
        /* display: block; */
        color: #ffffff;
        /* max-height: 175px; */
        /* overflow: auto; */
    }

    .index_main_news .item.active .time {
        display: block;
    }

    .index_main_news .item.active .date {
        display: none;
    }

    .index_main_news .item.active {
        display: block;
        background-color: var(--active-color)
    }

    .index_main_news .item.active .num {
        display: none;
    }

    .index_main_news .item.active .img_box {
        display: block;
        width: 62%;
        position: relative;
        height: 100%;
        flex-shrink: 0;
    }

    .index_main_news .item.active {
        flex: 2;
    }
}

@media screen and (max-width: 1100px) {
    .index_main_news .newlist .info {
        padding: 10px;
    }

    .index_main_news .newlist li:hover .img_box {
        width: 50%;
    }
}

@media screen and (max-width: 950px) {
    .index_main_news .newlist ul {
        flex-direction: column;
    }

    .index_main_news .newlist .item {
        width: 100%;
        max-width: 100%;
    }

    .index_main_news .newlist .info {
        padding: 30px 30px 80px 30px;
        /* padding: 60px 30px 80px 30px; */
    }

    .index_main_news .newlist .num {
        margin-top: 10px;
        font-size: 56px;
    }

    .index_hd{
        margin-bottom: 20px;
    }

    .index_main_news .newlist .date{
        margin-top: 20px;
    }

    .singupbig{
        padding-right: 0;
    }
}


/* 新增 */

.index_center_box {
    background: #020C1E;
}

.index_video {
    position: relative;
    padding-bottom: 88px;
    padding-left: calc((1920px - 1600px) / 2);
}

.index_video::after {
    content: '';
    display: inline-block;
    width: 100%;
    height: 50%;
    position: absolute;
    left: 0;
    top: -1px;
    background: #fff;
}

.index_video_div {
    width: 100%;
    padding-bottom: 40%;
    /* padding-bottom: 44%; */
    position: relative;
    z-index: 1;
}

.index_video_div lite-youtube {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.index_video_div lite-youtube>.lty-playbtn {
    filter: none !important;
    background-image: url('../images/index_video_play.png') !important;
    background-size: 100% 100% !important;
    background-repeat: no-repeat !important;
    width: 112.8px !important;
    height: 112.8px !important;
    transform: none;
    left: 15%;
    top: auto;
    bottom: 10%;
}

.index_video_text_box {
    position: absolute;
    bottom: 0;
    right: 50px;
    max-width: 100%;
    width: 668px;
    padding: 5% 5% 5% 3.5%;
    z-index: 1;
    background-size: 100% 100% !important;
}

.index_video_text_tit {
    font-family: Roboto-Bold;
    font-weight: bold;
    font-size: 24px;
    color: #FFFFFF;
}

.index_video_text_desc {
    font-family: Roboto-Regular;
    font-weight: 400;
    font-size: 16px;
    color: #9CA7D6;
    margin-top: 30px;
}

.index_cer {
    padding: 0 0 5%;
}

.index_cer .hd_title a {
    color: #FFFFFF;
}


.index_cer_swi_box {
    margin-top: 70px;
}

.index_cer_swi,
.index_photos_swi {
    position: relative;
}

.index_photos_swi .swiper-button-prev,
.index_photos_swi .swiper-button-next,
.index_cer_swi .swiper-button-prev,
.index_cer_swi .swiper-button-next {
    z-index: 99;
    margin: 0;
    transform: translateY(-50%);
    opacity: 1;
}

.index_photos_swi .swiper-button-prev,
.index_photos_swi .swiper-button-next {
    background: #fff !important;
}

.index_cer_swi .swiper-slide {
    border: 8px solid rgba(255, 255, 255, .89);
    width: 100%;
    position: relative;
    height: 0;
    overflow: hidden;
    padding-bottom: 25%;
}

.index_cer_swi .swiper-slide img {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    object-fit: cover;
}

.index_cer_swi_box img {
    width: 100%;
}

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

.index_cer_pag {
    margin-top: 30px;
    text-align: center;
}

.index_cer_pag .swiper-pagination-bullet {
    width: 77px;
    height: 2px;
    background: rgba(255, 255, 255, .29);
    opacity: 1;
    border: 0 !important;
    border-radius: 0;
    margin: 0 !important;
}

.index_cer_pag .swiper-pagination-bullet-active {
    background: #FFFFFF;
    border-radius: 0;
}


.index_photos {
    padding: 5% 0;
}

.index_photos_swi_box {
    margin-top: 70px;
}

.index_photos_swi_box .swiper-slide {
    width: 100%;
    position: relative;
    height: 0;
    overflow: hidden;
    padding-bottom: 23%;
}

.index_photos_swi_box .swiper-slide img {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    object-fit: cover;
}

.index_photos_swi_box img {
    width: 100%;
}

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

.index_photos_pag {
    margin-top: 30px;
    text-align: center;
}

.index_photos_pag .swiper-pagination-bullet {
    width: 77px;
    height: 2px;
    background: rgba(34, 64, 143, .29);
    opacity: 1;
    border: 0 !important;
    border-radius: 0;
    margin: 0 !important;
}

.index_photos_pag .swiper-pagination-bullet-active {
    background: #22408F;
    border-radius: 0;
}

@media screen and (max-width: 1100px) {
    .index_video_text_box {
        width: 458px;
    }
}

@media screen and (max-width: 950px) {
    .banner_icon_img {
        padding-bottom: calc((72/3.91)*1%);
    }

    .index_cer_swi .swiper-slide {
        padding-bottom: 62%;
        /* padding-bottom: 145%; */
    }

    .index_cer_pag .swiper-pagination-bullet,
    .index_photos_pag .swiper-pagination-bullet {
        width: 10px;
    }

    .index_photos_swi_box .swiper-slide {
        padding-bottom: 80%;
    }

    .index_hd .hd_title a {
        font-size: 30px;
    }

    .index_video {
        padding-left: 15px;
        padding-bottom: 30px;
    }

    .index_video_div {
        padding-bottom: 85%;
    }

    .index_video_text_box {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: -66px;
        width: 90%;
        margin-left: auto;
        margin-right: 0;
        padding: 30px;
    }

    .index_video_div lite-youtube>.lty-playbtn {
        width: 68px !important;
        height: 68px !important;
        bottom: 83px !important;
        left: 20px !important;
    }

    .index_video_text_tit {
        font-size: 16px;
    }

    .index_video_text_desc {
        margin-top: 15px;
    }

    .index_video::after {
        height: 25%;
    }

    .index_cer_swi_box {
        margin-top: 30px;
    }

    .index_cer_pag,
    .index_photos_swi_box,
    .index_photos_pag {
        margin-top: 30px;
    }

}