.sw .mySwiper {
    height: 100vh;
}

/* 澳门新甫京娱乐游戏下载  开始 */
.about {
    position: relative;
    overflow: hidden;
    background: url(../images/about_bg.jpg) 100% no-repeat;
}

.about .container {
    display: flex;
    justify-content: space-between;
}

.about .container .left {
    width: 60%;
}

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

.about .content .lf {
    flex: 1;
}

.about .content .desc {

    color: #666666;
    line-height: 2;
    margin-bottom: 60px;
}

.about .content .desc>p {
    display: none;
}

.about .content .desc>p:first-of-type {
    display: block;
}

.about .imgWrapper {
    display: flex;
    justify-content: space-between;
    padding: 24px;
    box-sizing: border-box;
    background: url(../images/about_lf_bg.jpg) no-repeat center;
    background-size: cover;
}

.about .imgWrapper .lf {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-gap: 20px;
    flex: 1;
}

.about .imgWrapper .rg {
    padding-right: 25px;
    box-sizing: border-box;
    width: 22%;
    border-left: 1px solid rgba(255, 255, 255, .18);
    margin-left: 27px;
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    justify-content: center;
    text-align: right;
}

.about .imgWrapper .rg .f24 {

    color: #FFFFFF;
    line-height: 21px;
    margin-bottom: 15px;
}

.about .imgWrapper .rg .f16 {

    color: #FFFFFF;
    line-height: 28px;
    opacity: 0.51;
    margin: 0;
}

.about .content .more {

    color: #333333;
    text-transform: uppercase;
    position: relative;
    padding-bottom: 5px;
}

.about .content .more:hover::after {
    content: '';
    display: block;
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: 1px;
    background-color: black;
}

.about .content .more .iconfont {
    color: #333333;
    font-size: 22px;
}

.about .content .map {
    width: 50%;
}

.about .num_box {
    width: 24%;
    display: flex;
    flex-direction: column;
    padding-top: 20px;
    justify-content: space-between;
}

.about .num_box .fgLine {
    width: 1px;
    height: auto;
    background-color: black;
    opacity: 0.1;
}

.about .num_box .one {
    box-sizing: border-box;
    text-align: left;
    border-bottom: 1px solid #E5E5E5;
    padding-bottom: 10px;
    margin-bottom: 20px;
}

.about .num_box .one:nth-child(1) {
    padding-top: 0;
}

.about .num_box .one:nth-last-of-type(1) {
    margin-bottom: 0;
}

.about .num_box .one .f60 {

    color: #0756A5;
    line-height: 1;
    display: inline-block;
    vertical-align: baseline;
    font-weight: bold;
}

.about .num_box .one .f16 {

    color: #0756A5;
    line-height: 22px;
    vertical-align: baseline;
}

.about .num_box .one .unit {

    color: #999999;
}

.about .num_box .one p {

    color: #666666;
    line-height: 34px;
}

.about .rg_fixed {
    position: absolute;
    right: -15.5%;
    top: 50%;
    transform: translateY(-50%) rotate(-90deg);
    z-index: -1;
}

.about .rg_fixed p:nth-child(1) {

    font-weight: bold;
    color: #DEE4EF;
    text-transform: uppercase;
}

.about .rg_fixed p:nth-child(2) {

    color: rgba(255, 255, 255, 0);
    line-height: 236px;
    -webkit-text-stroke: 1px #DDE3EF;
    text-stroke: 1px #DDE3EF;
    text-transform: uppercase;
    position: absolute;
    bottom: -3%;
    left: 3%;
}

/* 澳门新甫京娱乐游戏下载  结束 */
/* 生产能力  开始 */
.throughput {
    position: relative;
    height: 89vh;
    overflow: hidden;
}

.throughput .title {
    position: absolute;
    top: 0px;
    z-index: 999;
    left: 50%;
    transform: translateX(-50%);
}

.throughput .common_title .en,
.throughput .common_title .ch {
    color: #fff;
}

.throughput .common_title::after {
    background-color: #fff;
}

.z_school_bg li.on {
    transform: scale(1, 1);
    opacity: 1;
}

.z_school_bg li video {
    width: 100%;
}

.z_school_bg li {
    width: 100%;
    height: 100%;
    transition: ease 1s;
    transform: scale(1.1);
    opacity: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    overflow: hidden;
}

.z_school_tab li::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: #0756A5;
    transition: ease 1s;
    transform: translateX(-100%);
    opacity: 0;
    z-index: -1;
}

.z_school_tab li.active::before {
    transform: translateX(0);
    opacity: 1;
}

.z_school_bg li img {
    height: 100%;
}

.z_school_bg li .video-div {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translateX(-50%) translateY(-50%);
    cursor: pointer;
}

.z_school_bg li i {
    width: 50px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: #fff;
    color: #0756A5;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    font-size: 25px;
    cursor: pointer;
    display: block;
}

.z_school_bg li i:before {
    padding-left: 3px;
}

.z_school_bg li .video-div span:before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    background: #fff;
    border-radius: 50%;
    z-index: -2;
    animation: video 1s linear infinite;
}

.z_school_bg li .video-div span:after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: block;
    background: #fff;
    border-radius: 50%;
    z-index: -2;
    animation: video2 1s 2s linear infinite;
}

@keyframes video {
    0% {
        width: 50px;
        height: 50px;
        opacity: 0.6;
    }

    50% {
        opacity: 0.6;
    }

    100% {
        width: 70px;
        height: 70px;
        opacity: 0.3;
    }
}

.z_school_swiper {
    width: 37.5%;
    left: 0;
    position: absolute;
    bottom: 0;
}

.z_school_swiper .swiper-slide {
    padding: 30px 0;
    box-sizing: border-box;
    background-size: cover !important;
    height: auto !important;
}

.z_school_swiper .text {
    width: 100%;
    height: 100%;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.z_school_swiper .text .f30 {

    font-weight: 500;
    color: #333333;
    line-height: 36px;
}

.z_school_swiper .text .f16 {

    color: #333333;
    line-height: 26px;
    width: 76%;
    margin-top: 20px;
}

.z_school_tab {
    width: 62.5%;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 1;
    border-top: 1px solid #fff;
    transition: ease 2s;
}

.z_school_tab ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.z_school_tab ul li {
    width: 33.3%;
    overflow: hidden;
    float: left;
    z-index: 1;
    cursor: pointer;
    transition: ease 1s;
    position: relative;
    height: 6.25vw;
    line-height: 6.25vw;
    text-align: center;

    color: #FFFFFF;
}

.z_school_tab ul li:nth-child(2) img {
    width: 17px;
}

.z_school_tab ul li:nth-child(3) img {
    width: 16px;
}

.z_school_tab img {
    width: 19px;
    display: inline-block;
    vertical-align: text-bottom;
}

.z_school_tab ul li .iconfont {
    font-size: 22px;
    margin-right: 10px;
}

.z_school_btnbox {
    width: 100%;
    height: 6.25vw;
    background: #2F3035;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z_school_swiper .btn {
    color: #0756A5;
    cursor: pointer;
    outline: none;
    margin-top: -2px;
}

.z_school_swiper .btn.swiper-button-next.swiper-button-disabled,
.z_school_swiper .btn.swiper-button-prev.swiper-button-disabled {
    color: #fff;
    opacity: 1 !important;
}

.z_school_btnbox .swiper-button-next,
.z_school_btnbox .swiper-button-prev {
    position: unset !important;
}

.z_school_btnbox .swiper-button-next:after,
.z_school_btnbox .swiper-button-prev:after {
    font-size: 16px !important;
}

.z_school_hd span {
    display: inline-block;
    width: 30px;
    text-align: center;
    height: 20px;
    line-height: 20px;
    position: relative;
    margin: 0 2vw !important;
    background: none !important;
    opacity: 1 !important;
}

.z_school_hd span::before {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    /* color: #777777; */
    color: #fff;
    z-index: 1;

}

.z_school_hd span:nth-child(1)::before {
    content: "01";
}

.z_school_hd span:nth-child(2)::before {
    content: "02";
}

.z_school_hd span:nth-child(3)::before {
    content: "03";
}

.z_school_hd span.swiper-pagination-bullet-active::before {
    color: #fff;
}

.z_school_hd span:nth-child(2)::after,
.z_school_hd span:nth-child(3)::after {
    content: "";
    z-index: 1;
    display: block;
    width: 4vw;
    height: 1px;
    background: #FFFFFF;
    position: absolute;
    left: -4vw;
    top: 50%;
    transform: translateY(-50%);
}

.z_school_hd {
    margin: 0 4vw;
    height: 20px;
    display: flex;
    align-items: center;
}

.z_school_btnbox ul {
    width: auto !important;
}

/* 生产能力  结束 */
/* 产品中心 开始 */
.product {
    background: url(../images/power_bg.jpg) no-repeat bottom;
    background-size: cover;
    padding: 85px 0 150px;
}

.product video {
    height: 500px;
}

.product .container {
    padding: 0;
}

.product .video_box {
    background-color: rgba(238, 238, 238, 1);
    padding: 40px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
}

.product .video_box .big_small {
    width: auto;
}

.product .one {
    width: 20%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transition: all .5s;
}

.product .one:nth-child(1) .text img {
    width: auto;
    height: 41px;
}

.product .one.active {
    width: 54%;
    transition: all .5s;
}

.product .text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.5);
    width: 100%;
    height: 100%;
}

.product .text img {
    width: 47px;
}

.product .text .line {
    width: 1px;
    height: 20px;
    background: #FFFFFF;
    opacity: 0.5;
    margin: 40px 0 50px;
}

.product .text .bottom {
    text-align: center;
    color: #fff;
}

.product .text .bottom .f24 {

    font-weight: bold;
    color: #FFFFFF;
    line-height: 36px;
}

.product .text .bottom .f16 {

    color: #FFFFFF;
    line-height: 36px;
    opacity: 0.59;
}

.product .text_active {
    display: none;
}

.product .one.active .text_active {
    display: block;
}

.product .one.active .text {
    display: none;
}

.product .text_active {
    display: none;
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 25px;
    box-sizing: border-box;
    color: #fff;
    background: linear-gradient(rgba(0, 0, 0, 0), rgba(0, 0, 0, 1));
}

.product .text_active .title {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.5);
    margin-bottom: 10px;
}

.product .text_active .title .f24 {

    font-weight: bold;
    color: #FFFFFF;
    line-height: 36px;
}

.product .text_active .title .en {

    color: #FFFFFF;
    line-height: 36px;
    opacity: 0.59;
}

.product .text_active .title a {
    color: #fff;

    color: #FFFFFF;
    line-height: 32px;
}

.product .text_active .title a .iconfont {
    margin-left: 15px;
}

.product .text_active .f16 {

    color: #FFFFFF;
    line-height: 32px;
}

/* 产品中心  结束 */

/* 生产设备 */
.sandL {
    box-sizing: border-box;
    background: #1C293D;
    overflow: hidden;
    position: relative;
    background-size: cover;
}

.sandL .container {
    position: relative;
    z-index: 10;
    padding: 100px 0 160px;
}

.sandL .more:hover {
    background-color: #0756a5;
    color: #fff;
}

.sandL .container .swiper-horizontal>.swiper-pagination-bullets,
.swiper-pagination-bullets.swiper-pagination-horizontal,
.swiper-pagination-custom,
.swiper-pagination-fraction {
    bottom: 90px;
}

.sandL .bg_3d {
    position: absolute;
    z-index: 5;
    left: 0;
    top: 0;
}

.sandL .en {
    color: #fff;
}

.sandL .ch>span {
    color: #fff;
}

.sandL .ch>a {
    color: #FFFFFF;
    line-height: 2;
}

.sandL .swiper-container .swiper-slide {
    transform: scale(0.8);
    transition: .5s;
    box-shadow: 0px 0px 36px 4px #0c1a2f;
}

.sandL .swiper-container .swiper-slide-active {
    transform: scale(1);
    box-shadow: 0px 0px 36px 4px #0c1a2f;
}

.sandL .swiper-container .swiper-pagination-bullet {
    opacity: 1;
    background-color: #fff;
}

.sandL .swiper-container .swiper-pagination-bullet-active {
    width: 46px;
    border-radius: 10px;
    background-color: #0756a5;
}


.sandL .sandL_sw .swiper-slide {
    position: relative;
}

.sandL .sandL_sw .swiper-slide .num {

    color: rgba(255, 255, 255, 0);
    line-height: 1;
    opacity: 0.39;
    -webkit-text-stroke: 1px #FFFFFF;
    text-stroke: 1px #FFFFFF;
    position: absolute;
    top: 10px;
    left: 25px;
}

.sandL .sandL_sw .swiper-slide .content {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;

    font-weight: bold;
    color: #fff;
    padding: 15px 30px;
    background: rgba(0, 0, 0, 0.48);
    box-sizing: border-box;
}

.sandL .sandL_sw .swiper-slide .content span:nth-child(1) {
    color: #0756A5;
    margin-right: 10px;
}

/* 生产设备 结束 */
/* 生产能力  开始 */
.throughput {
    position: relative;
    height: 89vh;
    overflow: hidden;
}

.throughput .title {
    position: absolute;
    top: 0px;
    z-index: 999;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
}

.throughput .common_title .en,
.throughput .common_title .ch {
    color: #fff;
}

.throughput .common_title::after {
    background-color: #fff;
}

.z_school_bg li.on {
    transform: scale(1, 1);
    opacity: 1;
}

.z_school_bg li {
    width: 100%;
    height: 100%;
    transition: ease 1s;
    transform: scale(1.1);
    opacity: 0;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    overflow: hidden;
}

.z_school_tab li::before {
    content: "";
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
    background: #0756A5;
    transition: ease 1s;
    transform: translateX(-100%);
    opacity: 0;
    z-index: -1;
}

.z_school_tab li.active::before {
    transform: translateX(0);
    opacity: 1;
}

.z_school_bg li img {
    height: 100%;
}

.z_school_swiper {
    width: 37.5%;
    left: 0;
    position: absolute;
    bottom: 0;
}


.z_school_swiper .text .f30 {

    font-weight: 500;
    color: #333333;
    line-height: 36px;
}

.z_school_swiper .text .f16 {

    color: #333333;
    line-height: 26px;
    width: 76%;
    margin-top: 20px;
}

.z_school_tab {
    width: 62.5%;
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: 1;
    border-top: 1px solid #fff;
    transition: ease 2s;
}

.z_school_tab ul {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 0;
    padding: 0;
}

.z_school_tab ul li {
    width: 33.3%;
    overflow: hidden;
    float: left;
    z-index: 1;
    cursor: pointer;
    transition: ease 1s;
    position: relative;
    height: 6.25vw;
    line-height: 6.25vw;
    text-align: center;

    color: #FFFFFF;
}

.z_school_tab ul li .iconfont {
    font-size: 22px;
    margin-right: 10px;
}

.z_school_btnbox {
    width: 100%;
    height: 6.25vw;
    background: #2F3035;
    display: flex;
    align-items: center;
    justify-content: center;
}

.z_school_swiper .btn {
    color: #0756A5;
    cursor: pointer;
    outline: none;
    margin-top: -2px;
}

.z_school_swiper .btn.swiper-button-next.swiper-button-disabled,
.z_school_swiper .btn.swiper-button-prev.swiper-button-disabled {
    color: #fff;
    opacity: 1 !important;
}

.z_school_btnbox .swiper-button-next,
.z_school_btnbox .swiper-button-prev {
    position: unset !important;
}

.z_school_btnbox .swiper-button-next:after,
.z_school_btnbox .swiper-button-prev:after {
    font-size: 16px !important;
}

.z_school_hd span {
    display: inline-block;
    width: 30px;
    text-align: center;
    height: 20px;
    line-height: 20px;
    position: relative;
    margin: 0 2vw !important;
    background: none !important;
    opacity: 1 !important;
}

.z_school_hd span::before {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #777777;
    z-index: 1;

}

.z_school_hd span:nth-child(1)::before {
    content: "01";
}

.z_school_hd span:nth-child(2)::before {
    content: "02";
}

.z_school_hd span:nth-child(3)::before {
    content: "03";
}

.z_school_hd span.swiper-pagination-bullet-active::before {
    color: #fff;
}

.z_school_hd span:nth-child(2)::after,
.z_school_hd span:nth-child(3)::after {
    content: "";
    z-index: 1;
    display: block;
    width: 4vw;
    height: 1px;
    background: #FFFFFF;
    position: absolute;
    left: -4vw;
    top: 50%;
    transform: translateY(-50%);
}

.z_school_hd {
    margin: 0 4vw;
    height: 20px;
    display: flex;
    align-items: center;
}

.z_school_btnbox ul {
    width: auto !important;
}

/* 生产能力  结束 */
/* 合作伙伴  开始 */
.partner .img_active {
    display: none;
}

.partner .swiper-slide {
    height: 86px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0 !important;
    transition: all .36s;
}

.partner .swiper-slide img {
    width: auto;
}

.partner .swiper-slide:hover {
    background-color: #0756a5;
    transition: all .36s;
}

.partner .swiper-slide:hover .img_active {
    display: block;
}

.partner .swiper-slide:hover .img {
    display: none;
}

.partner .swiper-grid-column>.swiper-wrapper {
    flex-direction: inherit !important;
}

.partner .common_title {
    align-items: flex-end;
}

.partner .common_title .rg {
    display: flex;
    flex-direction: row-reverse;
}

.partner .swiper-button-next,
.partner .swiper-button-prev {
    position: unset !important;
    margin-top: 0;
}

.partner .swiper-button-next:after,
.partner .swiper-button-prev:after {
    font-size: 22px !important;
    color: #077FCB !important;
}

.partner .swiper-button-next.swiper-button-disabled:after,
.partner .swiper-button-prev.swiper-button-disabled:after {
    color: #868686 !important;
    opacity: 1;
}

.partner .swiper-button-prev {
    margin-right: 20px;
}

/* 合作伙伴  结束 */
@media (max-width:1680px) {
    .ductile .top {
        margin-bottom: 80px;
    }

    .ductile .content .product {
        grid-gap: 70px 90px;
        margin-right: 100px;
    }

    .text_fixed {
        bottom: -9%;
    }

    .detail-box .item .num {
        font-size: 340px;
    }

    .process .top {
        margin-top: 100px;
    }

    .process_box .text {
        width: 98px;
        height: 98px;
    }

    .z_school_bg li {
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
    }

    .z_school_bg li img {
        width: auto;
        height: 100%;
    }

    .partner .top {
        margin-bottom: 80px;
    }

    .gray_iron_castings .top {
        padding: 90px 75px 80px 90px;
    }

    .hot-sale_product .top .more,
    .detail-box .item .btnDiv {
        width: 180px;
        height: 47px;
    }

    .about .num_box {
        width: 24%;
    }

    .product {
        padding: 85px 0 100px;
    }

    .sandL .container {
        padding: 100px 0 140px;
    }
}

@media (max-width:1440px) {
    .sw .mySwiper video {
        height: 100%;
        object-fit: fill;
    }

    .about .num_box {
        width: 25%;
    }

    .com_img {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .com_img img {
        transform: scale(1.05);
    }

    .about .content .desc {
        margin-bottom: 40px;
    }

    .gray_iron_castings .top {
        padding: 70px 55px 60px 70px;
    }

    .gray_iron_castings .word2 {
        bottom: 45px !important;
    }

    .gray_iron_castings .word {
        bottom: 60px;
    }

    .ductile .top {
        margin-bottom: 60px;
    }

    .ductile .content .product {
        grid-gap: 50px 70px;
        margin-right: 80px;
    }

    .ductile .big_img .img {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .ductile .big_img .img img {
        width: auto;
        height: 100%;
    }

    .ductile .big_img .text {
        right: 5%;
    }

    .ductile .big_img .text2 {
        right: 3%;
    }

    .hot-sale_product .list_product {
        grid-gap: 30px;
        margin-top: 45px;
    }

    .hot-sale_product .top .more,
    .detail-box .item .btnDiv {
        width: 170px;
        height: 45px;
    }

    .box-container2 li .name .iconfont {
        font-size: 48px;
        margin-right: 20px;
    }

    .box-container2 li .name .icon-sharpicons_bucket-drop {
        font-size: 55px !important;
    }

    .box-container2 ul {
        height: 136px;
    }

    .detail-box .item .imgDiv {
        overflow: hidden;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .detail-box .item .imgDiv img {
        width: auto;
        height: 100%;
    }

    .text_fixed {
        bottom: -6%;
    }

    .process .top {
        margin-top: 80px;
    }

    .process_box .text {
        width: 88px;
        height: 88px;
    }

    .partner .top {
        margin-bottom: 60px;
    }

    .about .imgWrapper .rg {
        padding-right: 0;
    }

    .product {
        padding: 80px 0;
    }

    .sandL .container {
        padding: 80px 0 140px;
    }
}

@media (max-width:1280px) {
    .about .content .desc {
        margin-bottom: 30px;
    }

    .about .imgWrapper .rg {
        width: 27%;
    }

    .throughput {
        height: 70vh;
    }

    .z_school_swiper .swiper-slide {
        padding: 20px 0;
    }

    .z_school_swiper .text .f16 {
        margin-top: 10px;
    }

    .product {
        padding: 60px 0;
    }

    .sandL .container {
        padding: 60px 0 80px;
    }

    .sandL .container .swiper-horizontal>.swiper-pagination-bullets,
    .swiper-pagination-bullets.swiper-pagination-horizontal,
    .swiper-pagination-custom,
    .swiper-pagination-fraction {
        bottom: 50px;
    }
}

@media (max-width:1024px) {
    .sw .text {
        transform: translateY(-50%) translateX(-50%);
    }

    .sw .banner4_text .one .f20 {
        padding-left: 0;
    }

    .sw .swiper-slide-active .banner4_text {
        bottom: 11%;
    }

    /* .sw .mySwiper {
        height: 50vh;
    } */

    /* .sw .mySwiper video {
        width: 100%;
        height: auto;
    } */

    .sw .swiper-slide .imgbg {
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .sw .swiper-slide .imgbg img {
        width: auto;
    }

    .about .container {
        flex-direction: column;
    }

    .about .container .left,
    .about .num_box {
        width: 100%;
    }

    /* .about .num_box {
        flex-direction: row;
    } */
    .about .num_box {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        grid-gap: 20px;
    }

    .about .num_box .one {
        margin-bottom: 0;
    }

    .about .num_box .one p {
        text-align: center;
    }

    .about .num_box .one .bottom {
        display: flex;
        align-items: baseline;
        justify-content: center;
    }

    .about .content .desc {
        margin-bottom: 20px;
    }

    .product {
        padding: 40px 0;
    }

    .z_school_swiper {
        width: 100%;
        bottom: 60px;
    }

    .z_school_btnbox {
        height: 60px;
        width: 100%;
    }

    .z_school_tab {
        height: 60px;
        width: 100%;
        left: 0;
    }

    .z_school_tab ul li {
        height: 60px;
        line-height: 60px;
    }

    .z_school_swiper .text .f16 {
        width: 92%;
    }

    .z_school_bg li video {
        width: auto;
        height: 100%;
    }

    .sandL .container {
        padding: 40px 0 80px;
    }

    .sandL .container .swiper-horizontal>.swiper-pagination-bullets,
    .swiper-pagination-bullets.swiper-pagination-horizontal,
    .swiper-pagination-custom,
    .swiper-pagination-fraction {
        bottom: 40px;
    }

    .sandL .swiper-container .swiper-slide {
        transform: scale(1);
    }

    .partner .swiper-slide img {
        transform: scale(0.8);
    }

    .product .video_box {
        padding: 30px;
        flex-direction: column;
    }

    .product .one.active,
    .product .one {
        width: 100%;
    }

    .product .one {
        margin-bottom: 30px;
    }

    .product .one:nth-last-of-type(1) {
        margin-bottom: 0;
    }

    .product .video_box .big_small {
        width: 100%;
    }
}

@media (max-width:768px) and (min-width:600px) {
    .sw .mySwiper video {
        width: auto;
        height: 100%;
    }
}

@media (max-width:768px) {
    .sw .text {
        transform: translateY(-50%) translateX(-50%) scale(0.8);
        width: 117%;
    }

    .sw .swiper-slide:nth-child(3) .text {
        transform: translateY(-100%) translateX(-50%) scale(0.8);
    }

    .sw .swiper-slide .imgbg img {
        width: auto;
        height: 100%;
    }

    .about .imgWrapper {
        flex-direction: column-reverse;
    }

    .about .imgWrapper .lf {
        grid-template-columns: repeat(1, 1fr);
    }

    .about .imgWrapper .rg {
        width: 100%;
        border-left: none;
        align-items: flex-start;
        margin-left: 0;
        margin-bottom: 20px;
    }

    .about .num_box {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        grid-gap: 20px;
    }

    .product {
        padding: 30px 0;
    }

    .z_school_swiper {
        width: 100%;
        bottom: 60px;
    }

    .z_school_btnbox {
        height: 60px;
        width: 100%;
    }

    .z_school_tab {
        height: 60px;
        width: 100%;
        left: 0;
    }

    .z_school_tab ul li {
        height: 60px;
        line-height: 60px;
    }

    .sandL .container {
        padding: 30px 0 60px;
    }

    .sandL .container .swiper-horizontal>.swiper-pagination-bullets,
    .swiper-pagination-bullets.swiper-pagination-horizontal,
    .swiper-pagination-custom,
    .swiper-pagination-fraction {
        bottom: 30px;
    }

    .partner .common_title {
        align-items: center;
    }

    .product .video_box .big_small {
        width: auto;
        height: 50vh;
    }

    .product .text_active .title {
        flex-direction: column;
        align-items: flex-start;
    }

    .product .text_active .title .lf {
        display: flex;
        flex-direction: column;
    }

    .product .text_active .title .en {
        line-height: 1.5;
    }

    .product .text .line {
        margin: 30px 0;
    }
}

@media (max-width:600px) {
    .sw .mySwiper video {
        width: auto;
        height: 100%;
    }
}