/* banner */
#banner {
    position: relative;
}

.banner_pc {
    display: block;
}

.banner_mob {
    display: none;
}

/*#banner li {}*/
#banner li a {
    display: block;
}

#banner li .imgs {
    display: block;
}

#banner li .imgs img {
    width: 100%;
    min-height: 240px;
    object-fit: cover;
}

#banner .hi {
    display: none;
}

#banner .swiper-button-prev,
#banner .swiper-button-next {
    width: 50px;
    height: 65px;
    background-color: rgba(255, 255, 255, 0.5);
}

#banner .swiper-button-prev {
    left: 0;
}

#banner .swiper-button-next {
    right: 0;
}

#banner .swiper-button-prev:hover,
#banner .swiper-button-next:hover {
    background-color: #ff4500;
}

/* #banner .swiper-button-prev::after,
  #banner .swiper-button-next::after {
    width: 16px;
    height: 16px;
    border-color: transparent transparent #4d4d4d #4d4d4d;
    position: relative;
    left: 0;
    top: 0;
    margin: 0;
  }
  
  #banner .swiper-button-prev:hover::after,
  #banner .swiper-button-next:hover::after {
    border-color: transparent transparent #ffffff #ffffff;
  } */

#banner .swiper-pagination {
    bottom: 11.5%;
}

#banner .swiper-pagination-bullet {
    width: 48px;
    height: 3px;
    background-color: rgba(245, 245, 245, 0.4);
    border-radius: 0;
    position: relative;
    opacity: 1;
    margin: 0 20px;
}

#banner .swiper-pagination-bullet::after {
    content: "";
    display: block;
    width: 0;
    height: 100%;
    background-color: #f5f5f5;
    position: absolute;
    left: 0;
    top: 0;
}

#banner .swiper-pagination-bullet:hover,
#banner .swiper-pagination-bullet.swiper-pagination-bullet-active {
    background-color: rgba(245, 245, 245, 0.4);
}

#banner .swiper-pagination-bullet.swiper-pagination-bullet-active::after {
    /* animation: 5.5s linear 0s banwidth 1 forwards; */
    animation: 4s linear 0s banwidth 1 forwards;
}

.banner_video {
    /* height: 50vw; */
    height: 100vh;
    background-color: #000000;
}

.banner_video video {
    object-position: center 10%;
    object-fit: cover;
    opacity: 0.75;
}

.banner_wz {
    position: absolute;
    top: 35.2%;
    left: 50%;
    transform: translateX(-50%);
    max-width: 90%;
    text-align: center;
}

.banner_wz .img img {
    max-width: 100%;
}

.banner_wz h2 {
    font-size: 42px;
    color: #fff;
    font-weight: bold;
    line-height: 30px;
    margin-top: 35px;
}

.banner_wz h3 {
    font-size: 22px;
    color: #fff;
    font-weight: normal;
    line-height: 32px;
    margin-top: 35px;
}

@keyframes banwidth {
    0% {
        width: 0;
    }

    100% {
        width: 100%;
    }
}

 .banner_video img{display: none; max-width:100%}
@media (max-width: 1650px) {

    .banner_wz img{max-width:100%;}
}

@media (max-width: 1200px) {
    .banner_video{height: auto;}
    .banner_video video{display:none}
    .banner_video img{display: block;}
    #banner .swiper-pagination {
        bottom: 10%;
    }

    #banner .swiper-pagination-bullet {
        width: 45px;
        margin: 0 15px;
    }

    .banner_wz {
        width: 90%;
    }
    .banner_wz img {
        max-width: 720px;
    }

}

@media (max-width: 990px) {
    #banner .swiper-pagination-bullet {
        width: 40px;
        margin: 0 12px;
    }

    #banner {
        margin-top: 60px;
    }

    .page_banner {
        height: 60px;
        opacity: 0;
    }
    .banner_video{background-image: url(../images/banner);}
    .banner_wz {
        /*display: none;*/
    }
    .banner_wz img{max-width: 100%}
}

@media (max-width: 768px) {
       /* .banner_pc {
        display: none;
    }*/
    .banner_mob {
        display:none;
    }
}

@media (max-width: 640px) {
    .banner_video {
        min-height: 170px;
        height: auto;
    }

    .banner_video video {
        object-position: center top;
        display:none;
    }
    .banner_video img{display: block;}


.banner_video img{max-width: 100%;
            max-height: 100%;
            transition: transform 3s ease-in-out;}


.banner_video img {
            animation: zoom 3s infinite alternate;
        }

        @keyframes zoom {
            from {
                transform: scale(1);
            }

            to {
                transform: scale(1.2);
            }
        }




    .banner_wz {
        width: 100%;
        top: 20.2%;
    }

    .banner_wz h2 {
        display: none;
    }

    .banner_wz h3 {
        display: none;
    }
}



/* 相同标题 */
.titles {
    text-align: center;
}

.titles h2 {
    color: #333333;
    font-size: 32px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
}

.titles h2 span {
    color: #5b9bf3;
}

.titles h4 {
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #666666;
    margin-top: 0.25em;
}

.titles h5 {
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #666666;
    margin-top: 0.375em;
}

.titles.white h2 {
    color: #fff;
}

.titles.white h4 {
    color: #ffffff;
}

@media (max-width: 1650px) {
    .titles h2 {
        font-size: 2.67vw;
    }

    .titles h4 {
        font-size: 19px;
    }
}

@media (max-width: 1440px) {
    .titles h4 {
        font-size: 18px;
    }

    .titles h5 {
        font-size: 15px;
    }
}

@media (max-width: 1200px) {
    .titles h2 {
        font-size: 32px;
    }

    .titles h4 {
        font-size: 16px;
    }
}

@media (max-width: 990px) {
    .titles h2 {
        font-size: 28px;
    }

    .titles h4 {
        font-size: 15px;
    }

    .titles h5 {
        font-size: 14px;
    }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
    .titles h2 {
        font-size: 22px;
    }

    .titles h2 span {
        /*display: block;*/
    }

    .titles h4 {
        font-size: 14px;
    }
}

@media (max-width: 420px) {
    .titles h2 {
        font-size: 20px;
    }

    .titles h5 {
        font-size: 13px;
    }
}

/* 专业制造 */
.manuft {
    padding: 80px 0 100px;
    background-repeat: no-repeat;
    background-position: center bottom;
    background-size: 100% auto;
    font-size: 0;
}

.manuft_down {
    margin-top: 2.3%;
}

.manuft_down a {
    display: block;
    width: 30px;
    height: 30px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: auto;
    background-image: url("../images/icon-down.png");
    margin: 0 auto;
}

.manuft_uls {
    margin-top: 3.4%;
}

.manuft_uls ul {
    justify-content: space-between;
}

.manuft_uls li {
    transition: 0.5s all;
    width: calc(220 / 1580 * 100%);
}

.manuft_uls li.acts {
    transition: 0.5s ease;
    width: calc(678 / 1580 * 100%);
}

.manuft_uls li:last-child {
    margin-right: 0;
}

.manuft_uls li a {
    display: block;
    background-color: #ededed;
    border-radius: 20px;
    padding: 70px 0 0;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    transition: 0.5s ease;
    overflow: hidden;
}

.manuft_uls li:hover a,
.manuft_uls li.acts a {
    background-image: url("../images/probg.jpg");
}

.manuft_uls li .text {
    position: relative;
    padding: 0 42px;
}

.manuft_uls li .text::before {
    content: "";
    display: block;
    width: 10px;
    height: 87.5%;
    background-color: #5b9bf3;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

.manuft_uls li .text h3 {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 32px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 1;
    letter-spacing: 0px;
    color: #5b9bf3;
    opacity: 0.5;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: 0.5s ease;
}

.manuft_uls li:hover .text h3,
.manuft_uls li.acts .text h3 {
    color: #fff;
    opacity: 1;
}

.manuft_uls li .text .sums {
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #333333;
    margin-top: 0.2em;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: 0.5s ease;
}

.manuft_uls li:hover .text .sums,
.manuft_uls li.acts .text .sums {
    color: #ffffff;
}

.manuft_uls li .imgs {
    margin-top: 24px;
    width: 680px;
    opacity: 0.48;
    transition: 0.5s ease;
}

.manuft_uls li:hover .imgs,
.manuft_uls li.acts .imgs {
    opacity: 1;
    overflow: hidden;
}

.manuft_uls li .imgs .fixed_ratio {
    padding-top: calc(550 / 678 * 100%);
}

.manuft_uls .swiper {
    display: none;
}

@media (max-width: 1650px) {
    .manuft {
        padding: 4.8% 0 6%;
    }

    .manuft_uls li a {
        padding-top: 4.2vw;
    }

    .manuft_uls li .imgs {
        width: 41.2vw;
    }

    .manuft_uls li .text::before {
        width: 9px;
    }

    .manuft_uls li .text h3 {
        font-size: 2.4vw;
    }

    .manuft_uls li .text .sums {
        font-size: 1.45vw;
    }
}

@media (max-width: 1400px) {
    .manuft_down a {
        width: 24px;
        height: 24px;
        background-size: auto 20px;
    }

    .manuft_uls li .text::before {
        width: 8px;
    }

    .manuft_uls li .imgs {
        margin-top: 20px;
    }
}

@media (max-width: 1200px) {
    .manuft {
        padding: 56px 0 60px;
    }

    .manuft_uls li a {
        padding-top: 42px;
    }

    .manuft_uls li .text::before {
        width: 6px;
    }

    .manuft_uls li .text h3 {
        font-size: 28px;
    }

    .manuft_uls li .text .sums {
        font-size: 17px;
    }

    .manuft_uls li .imgs {
        margin-top: 16px;
    }
}

@media (max-width: 990px) {
    .manuft {
        padding: 50px 0;
    }

    .manuft_down {
        margin-top: 20px;
    }

    .manuft_uls {
        margin-top: 30px;
    }

    .manuft_uls li .imgs {
        width: 100%;
    }

    .manuft_uls ul {
        flex-wrap: wrap;
    }

    .manuft_uls li,
    .manuft_uls li.acts {
        width: 48.5%;
    }

    .manuft_uls li:nth-child(n+3) {
        margin-top: 24px;
    }

    .manuft_uls li a {
        background-image: url("../images/probg.jpg");
    }

    .manuft_uls li .text h3 {
        color: #ffffff;
        opacity: 1;
    }

    .manuft_uls li .text .sums {
        color: #ffffff;
    }

    .manuft_uls li .imgs {
        opacity: 1;
        overflow: hidden;
    }
}

@media (max-width: 768px) {
    .manuft_uls .swiper {
        display: block;
    }

    .manuft_uls .swiper .swiper-wrapper {
        flex-direction: row;
        flex-wrap: nowrap;
    }

    .manuft_uls .swiper .swiper-wrapper li {
        margin: 0;
    }

    .manuft_uls .swiper .swiper-pagination {
        position: static;
        width: 100%;
        margin-top: 20px;
    }

    .manuft_uls .swiper .swiper-pagination-bullet {
        width: 30px;
        height: 3px;
        background-color: #ffffff;
        opacity: 0.7;
        border-radius: 0;
    }

    .manuft_uls .swiper .swiper-pagination-bullet.swiper-pagination-bullet-active {
        background-color: #ffffff;
        opacity: 1;
    }
}

@media (max-width: 640px) {
    .manuft {
        padding: 36px 0 32px;
    }

    .manuft_down {
        margin-top: 16px;
    }

    .manuft_down a {
        width: 20px;
        height: 20px;
        background-size: auto 18px;
    }

    .manuft_uls {
        margin-top: 24px;
    }

    .manuft_uls li,
    .manuft_uls li.acts {
        width: 100%;
    }

    .manuft_uls li:nth-child(n+2) {
        margin-top: 20px;
    }
}

.cooperbox{
    position: relative;
    height:640px;
}
.cooperboxbg{
    position: absolute;
    top: 0;
    left: 0;
    z-index: -1;
    width: 100%;
    height: 100%;
}
.cooperboxbg img{
    width: 100%;
    height: 100%;
  object-fit: cover;
}

.cooperboxcon-left{
    width:50%;
    float: left;
}
.cooperboxcon-right{
    padding-top:64px;
    width:50%;
    float:right;
    text-align: right;
}
.cooperboxcon-right img{display:none; max-width:70%;margin-top:10%;}
.cooperbox-h2{
    padding-top:72px;
    color: #333333;
    font-size: 32px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
}
.cooperbox-wz{
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #666666;
    margin-top: 0.9em;
}
.cooperlist{
    margin-top:32px;
    width:100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}
.cooperlist .cooperitem{
    width:calc((100% - 18px)/4);
    margin-bottom:6px;
    border:1px solid #ddd;
}
.cooperlist .cooperitem img{
    max-width:100%;
}
#ban_video {
    mix-blend-mode: darken;
}



@media (max-width: 1650px) {
    
}

@media (max-width: 1400px) {
  
}

@media (max-width: 1200px) {
    .cooperboxcon-right{padding-top: 164px;}
}

@media (max-width: 768px) {
    .cooperboxcon-left{width:100%;}
    .cooperbox-h2{text-align: center; font-size: 20px; padding-top:32px;}
    .cooperbox-wz{font-size: 14px; line-height:2;}
    .cooperboxcon-right{padding-top:24px; width:100%; text-align: center;}
}

@media (max-width: 640px) {
  
}

@media (max-width: 640px) {

}


/* 应用案例 */
.case {
    padding: 120px 0 110px;
    overflow: hidden;
    width:100%;
}

.case .dth_wh {
    justify-content: space-between;
    align-items: flex-start;
}

.case_left {
    width: 44.4%;
    max-width: 670px;
    text-align: left;
}

.case_left .titles {
    text-align: left;
}

.case_wz {
    font-size: 18px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.78;
    letter-spacing: 0px;
    color: #666666;
    margin-top: 0.9em;
}

.case_arrow {
    width: 122px;
    margin-top: 10%;
    display: flex;
    justify-content: space-between;
}

.case_arrow .swiper_prev,
.case_arrow .swiper_next {
    border: 1px solid #5b9bf3;
    border-radius: 50%;
    display: block;
    width: 50px;
    height: 50px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    transition: 0.3s ease;
    cursor: pointer;
    outline: none;
    background-color: transparent;
}

.case_arrow .swiper_prev:hover,
.case_arrow .swiper_next:hover {
    background-color: #5b9bf3;
    border-color: #5b9bf3;
}

.case_arrow .swiper_prev {
    background-image: url("../images/icon-prev-r.png");
}

.case_arrow .swiper_prev:hover {
    background-image: url("../images/icon-prev.png");
}

.case_arrow .swiper_next {
    background-image: url("../images/icon-next-r.png");
}

.case_arrow .swiper_next:hover {
    background-image: url("../images/icon-next.png");
}

.case_swiper1 {
    max-width: 580px;
    margin-top: 5.7vw;
    overflow: hidden;
}

.case_swiper1 .swiper {
    width: 152%;
    margin-left: 0;
}

/*.case_swiper1 li {}*/

.case_swiper1 li a {
    display: block;
}

.case_swiper1 li .imgs {
    padding-top: calc(784 / 950 * 100%);
}

.case_swiper1 li .text {
    margin-top: 8%;
}

.case_swiper1 li .text h4 {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2;
    letter-spacing: 0px;
    color: #666666;
}

.case_swiper1 li:hover .text h4 {
    color: #5b9bf3;
}

.case_swiper1 .swiper-scrollbar {
    margin-top: 3.75vw;
    height: 2px;
    background-color: #bfbfbf;
    border-radius: 1px;
}

.case_swiper1 .swiper-scrollbar .swiper-scrollbar-drag {
    background-color: #5b9bf3;
    border-radius: 1px;
}

.case_right {
    width: 49.4%;
    display: flex;
    justify-content: flex-start;
}

.case_right_cont {
    width: calc(100% + (100vw - 1580px) / 2);
    flex-shrink: 0;
    overflow: hidden;
}

.case_right_cont .swiper {
    width: 300%;
    margin-left: -200%;
}

.case_right_cont li .imgs {
    padding-top: calc(784 / 950 * 100%);
}

@media (max-width: 1650px) {
    .case {
        padding: 7% 0 6%;
    }

    .case_right_cont {
        width: calc(100% + 2vw);
    }

    .case_arrow {
        margin-top: 8%;
    }

    .case_swiper1 {
        max-width: 36.7vw;
        margin-top: 4.5vw;
    }

    .case_swiper1 .swiper-scrollbar {
        margin-top: 3vw;
    }
}

@media (max-width: 1200px) {
    .case_wz {
        font-size: 15px;
    }

    .case_arrow {
        margin-top: 30px;
        width: 100px;
    }

    .case_arrow .swiper_prev,
    .case_arrow .swiper_next {
        width: 42px;
        height: 42px;
    }

    .case_swiper1 li .text h4 {
        font-size: 15px;
    }
}

@media (max-width: 990px) {
    .case {
        padding: 45px 0 42px;
    }

    .case_left {
        width: 100%;
        max-width: 100%;
    }

    .case_arrow {
        margin-top: 30px;
        width: 85px;
    }

    .case_arrow .swiper_prev,
    .case_arrow .swiper_next {
        width: 36px;
        height: 36px;
    }

    .case_wz {
        font-size: 16px;
    }

    .case_swiper1 {
        max-width: 100%;
        margin-top: 30px;
    }

    .case_swiper1 .swiper {
        width: 100%;
    }

    .case_right {
        display: none;
    }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
    .case {
        padding: 36px 0;
    }

    .case_wz {
        font-size: 14px;
        margin-top: 0.4em;
    }

    .case_arrow {
        margin-top: 20px;
        width: 72px;
    }

    .case_arrow .swiper_prev,
    .case_arrow .swiper_next {
        width: 32px;
        height: 32px;
    }

    .case_swiper1 {
        margin-top: 24px;
    }

    .case_swiper1 .swiper-scrollbar {
        margin-top: 20px;
    }
}


/* 关于我们 */
.about {
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    background-color: #eef2f5;
    padding: 88px 0 72px;
    position: relative;
    overflow: hidden;
    z-index: 20;
}

.about_back {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background-repeat: no-repeat;
    background-position: left top;
    background-size: auto;
}

@media (min-width: 991px) {
    /*.about_back {
        background: none!important;
    }*/
}

.about_back_vido {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: calc(777 / 1321* 100%);
    z-index: 1;
    background-color: #000000;
}

.about_back_vido video {
    display: block;
    width: 100%;
    height: 100%;
    object-position: center top;
    object-fit: cover;
    opacity: 0.5;
}

.about_back_overlay {
    position: absolute;
    left: 0;
    bottom: 0;
    width: 100%;
    height: calc(754 / 1321 * 100%);
    z-index: 2;
}

.about .dth_wh {
    max-width: 1380px;
}

.about_wz {
    font-size: 17px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2;
    letter-spacing: 0px;
    color: #fff;
    text-align: center;
    margin-top: 24px;
}

.about_a {
    margin-top: 3.7%;
}

.about_a a {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 3.375;
    letter-spacing: 0px;
    color: #ffffff;
    width: 14em;
    background-image: linear-gradient(180deg, #5b9bf3 0%, #5b9bf3 100%), linear-gradient(#5b9bf3, #5b9bf3);
    background-blend-mode: normal, normal;
    border-radius: 4px;
    transition: 0.3s ease;
}

.about_a a:hover {
    background-image: linear-gradient(180deg, #5b9bf3 0%, #5b9bf3 100%), linear-gradient(#5b9bf3, #5b9bf3);
}

.about_a a span {
    display: block;
    background-image: url("../images/icon-more.png");
    width: calc(13 / 16 *1em);
    height: calc(13 / 16 *1em);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    margin-left: 1.5em;
}

.about_img {
    margin-top: 5.2%;
    background-color: #ffffff;
    box-shadow: 0px 20px 20px 0px rgba(0, 0, 0, 0.1);
    border: solid 4px #ffffff;
    position: relative;
}

.about_img .swiper {
    z-index: 5;
}

/*.about_img .swiper li {}*/

.about_img .swiper li a {
    display: block;
}

.about_img .swiper li .imgs {
    padding-top: calc(660 / 1380 * 100%);
}

.about_img .swiper li .imgs video {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;

    object-position: center;
    object-fit: cover;
}

.about_panait {
    position: absolute;
    left: 4%;
    bottom: 7.5%;
    width: 92%;
    z-index: 10;
}

.about_panait ul {
    align-items: flex-end;
    justify-content: center;
}

.about_panait li {
    text-align: center;
    margin: 0 6.4%;
}

.about_panait li p {
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 2;
    letter-spacing: 0px;
    color: rgba(255, 255, 255, 0.6);
}

.about_panait li.acts p {
    color: #fff;
}

.about_panait li .line {
    display: block;
    background-color: rgba(255, 255, 255, 0.5);
    width: 100%;
    height: 1px;
}

.about_panait li .line::after {
    content: "";
    display: block;
    width: 0;
    height: 100%;
    background-color: #ffffff;
}

.about_panait li.acts .line::after {
    animation: 5s linear 0s banwidth 1 forwards;
}

.about_panait li:nth-child(3).acts .line::after {
    animation: 78s linear 0s banwidth 1 forwards;
}

.about_number {
    margin-top: 4.5%;
}

.about_number ul {
    justify-content: space-around;
}

/*.about_number li {}*/

.about_number li a {
    display: block;
    text-align: center;
}

.about_number li h4 {
    display: flex;
    align-items: flex-start;
    justify-content: center;
    border-bottom: 2px solid #5b9bf3;
    padding-bottom: 6px;
}

.about_number li h4 p {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 60px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 1;
    letter-spacing: 0px;
    color: #5b9bf3;
    background-image: -webkit-linear-gradient(-60deg, #5b9bf3, #5b9bf3);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.about_number li h4 span {
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #666666;
    margin-left: 0.2em;
}

.about_number li .sums {
    font-size: 17px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #333333;
    margin-top: 0.56em;
}

@media (max-width: 1650px) {
    .about {
        padding: 4.8vw 0 4.36vw;
    }
}

@media (max-width: 1400px) {
    .about_number li h4 p {
        font-size: 56px;
    }

    .about_wz {
        font-size: 16px;
    }

    .about_a a {
        font-size: 15px;
    }
}

@media (max-width: 1200px) {
    .about {
        padding: 50px 0 45px;
    }

    .about_wz {
        margin-top: 20px;
    }

    .about_number li h4 p {
        font-size: 52px;
    }

    .about_number li .sums {
        font-size: 16px;
    }

    .about_a a {
        width: 13em;
        line-height: 3;
    }

    .about_a a span {
        margin-left: 1em;
    }
}

@media (max-width: 990px) {
    .about {
        padding: 42px 0 36px;
    }

    .about_wz {
        font-size: 15px;
        margin-top: 15px;
    }

    .about_a a {
        font-size: 14px;
    }

    .about_number li h4 p {
        font-size: 45px;
    }

    .about_number li h4 span {
        font-size: 13px;
    }

    .about_number li .sums {
        font-size: 15px;
    }
}

@media (max-width: 768px) {
    .about_number li h4 p {
        font-size: 42px;
    }
}

@media (max-width: 640px) {
    .about {
        padding: 36px 0 30px;
    }

    .about_wz {
        font-size: 14px;
        margin-top: 12px;
    }

    .about_a {
        margin-top: 20px;
    }

    .about_a a {
        font-size: 13px;
    }

    .about_img {
        margin-top: 38px;
    }

    .about_panait {
        display: none;
    }

    .about_number {
        margin-top: 24px;
    }

    .about_number ul {
        flex-wrap: wrap;
        justify-content: space-around;
    }

    .about_number li {
        width: 40%;
    }

    .about_number li:nth-child(n+3) {
        margin-top: 20px;
    }

    .about_number li h4 p {
        font-size: 40px;
    }

    .about_number li .sums {
        font-size: 14px;
    }
}






/* —生产设备— */

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

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


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


.flex_d {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: flex-end;
}

.sheng {
    background: #f0f0f0;
    padding-top: 3.5vw;
}


.la_a {
    width: 50%;
}

.sb_a li {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.sb_a li img {
    width: 100%;
}

.sb_a li::after {
    width: 100%;
    height: 100%;
    background: rgba(25, 59, 126, 0.6);
    position: absolute;
    z-index: 11;
    content: "";
    left: 0px;
    top: 0px;
}

.sb_a .sb_nr {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    left: 0px;
    padding: 0 2.5vw;
    z-index: 22;
}

.sb_a .sb_nr h2 {
    color: #fefefe;
    font-size: 24px;
    font-weight: 600;
}

.sb_a .sb_nr h3 {
    font-size: 16px;
    font-weight: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #fefefe;
    margin-top: 20px;
}

.sb_a .sb_nr h4 {
    font-size: 20px;
    font-weight: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #fefefe;
    margin-top: 20px;
}



.la_b {
    width: 50%;
}

.sb_b {
    width: 50%;
}

.sb_b li {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.sb_b li img {
    width: 100%;
}

.sb_b li::after {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 1);
    position: absolute;
    z-index: 11;
    content: "";
    left: 0px;
    top: 0px;
}

.sb_b .sb_nr {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    left: 0px;
    padding: 0 2.5vw;
    z-index: 22;
}

.sb_b .sb_nr h2 {
    color: #0d0d0d;
    font-size: 24px;
    font-weight: 600;
}

.sb_b .sb_nr h3 {
    font-size: 16px;
    font-weight: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #0d0d0d;
    margin-top: 20px;
}

.sb_b .sb_nr h4 {
    font-size: 20px;
    font-weight: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #0d0d0d;
    margin-top: 20px;
}


.sb_c {
    width: 50%;
}

.sb_c li {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.sb_c li img {
    width: 100%;
}

.sb_c li::after {
    width: 100%;
    height: 100%;
    background: rgba(25, 59, 126, 1);
    position: absolute;
    z-index: 11;
    content: "";
    left: 0px;
    top: 0px;
}

.sb_c .sb_nr {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    left: 0px;
    padding: 0 2.5vw;
    z-index: 22;
}

.sb_c .sb_nr h2 {
    color: #fefefe;
    font-size: 24px;
    font-weight: 600;
}

.sb_c .sb_nr h3 {
    font-size: 16px;
    font-weight: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #fefefe;
    margin-top: 20px;
}

.sb_c .sb_nr h4 {
    font-size: 20px;
    font-weight: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #fefefe;
    margin-top: 20px;
}


.sb_d li {
    width: 100%;
    overflow: hidden;
    position: relative;
}

.sb_d li img {
    width: 100%;
}

.sb_d li::after {
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.6);
    position: absolute;
    z-index: 11;
    content: "";
    left: 0px;
    top: 0px;
}

.sb_d .sb_nr {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    left: 0px;
    padding: 0 2.5vw;
    z-index: 22;
}

.sb_d .sb_nr h2 {
    color: #0d0d0d;
    font-size: 24px;
    font-weight: 600;
}

.sb_d .sb_nr h3 {
    font-size: 16px;
    font-weight: normal;
    line-height: 32px;
    letter-spacing: 0px;
    color: #0d0d0d;
    margin-top: 20px;
}

.sb_d .sb_nr h4 {
    font-size: 20px;
    font-weight: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #0d0d0d;
    margin-top: 20px;
}





@media (max-width: 1440px) {
    .sb_a .sb_nr h2 {
        font-size: 30px;
    }

    .sb_b .sb_nr h2 {
        font-size: 30px;
    }

    .sb_c .sb_nr h2 {
        font-size: 30px;
    }

    .sb_d .sb_nr h2 {
        font-size: 30px;
    }

    .sb_a .sb_nr h3 {
        font-size: 18px;
        line-height: 30px;
    }

    .sb_b .sb_nr h3 {
        font-size: 18px;
        line-height: 30px;
    }

    .sb_c .sb_nr h3 {
        font-size: 18px;
        line-height: 30px;
    }

    .sb_d .sb_nr h3 {
        font-size: 18px;
        line-height: 30px;
    }


    .sb_a .sb_nr h4 {
        font-size: 16px;
    }

    .sb_b .sb_nr h4 {
        font-size: 16px;
    }

    .sb_c .sb_nr h4 {
        font-size: 16px;
    }

    .sb_d .sb_nr h4 {
        font-size: 16px;
    }
}



@media (max-width: 1370px) {
    .sb_a .sb_nr h2 {
        font-size: 25px;
    }

    .sb_b .sb_nr h2 {
        font-size: 25px;
    }

    .sb_c .sb_nr h2 {
        font-size: 25px;
    }

    .sb_d .sb_nr h2 {
        font-size: 25px;
    }

    .sb_a .sb_nr h3 {
        font-size: 16px;
        line-height: 25px;
    }

    .sb_b .sb_nr h3 {
        font-size: 16px;
        line-height: 25px;
    }

    .sb_c .sb_nr h3 {
        font-size: 16px;
        line-height: 25px;
    }

    .sb_d .sb_nr h3 {
        font-size: 16px;
        line-height: 25px;
    }


    .sb_a .sb_nr h4 {
        font-size: 15px;
        margin-top: 10px;
    }

    .sb_b .sb_nr h4 {
        font-size: 15px;
        margin-top: 10px;
    }

    .sb_c .sb_nr h4 {
        font-size: 15px;
        margin-top: 10px;
    }

    .sb_d .sb_nr h4 {
        font-size: 15px;
        margin-top: 10px;
    }
}


@media (max-width: 1280px) {

    .sb_a .sb_nr h2 {
        font-size: 22px;
    }

    .sb_b .sb_nr h2 {
        font-size: 22px;
    }

    .sb_c .sb_nr h2 {
        font-size: 22px;
    }

    .sb_d .sb_nr h2 {
        font-size: 22px;
    }


    .sb_a .sb_nr h3 {
        font-size: 14px;
        line-height: 25px;
        margin-top: 10px;
    }

    .sb_b .sb_nr h3 {
        font-size: 14px;
        line-height: 25px;
        margin-top: 10px;
    }

    .sb_c .sb_nr h3 {
        font-size: 14px;
        line-height: 25px;
        margin-top: 10px;
    }

    .sb_d .sb_nr h3 {
        font-size: 14px;
        line-height: 25px;
        margin-top: 10px;
    }


    .sb_a .sb_nr h4 {
        font-size: 13px;
        margin-top: 10px;
    }

    .sb_b .sb_nr h4 {
        font-size: 13px;
        margin-top: 10px;
    }

    .sb_c .sb_nr h4 {
        font-size: 13px;
        margin-top: 10px;
    }

    .sb_d .sb_nr h4 {
        font-size: 13px;
        margin-top: 10px;
    }
}


@media (max-width: 992px) {
    .la_a {
        width: 100%;
    }
}



@media (max-width: 768px) {
    .sb_b {
        width: 100%;
    }

    .sb_c {
        width: 100%;
    }
}








/* 新闻资讯 */
.news {
    padding: 60px 0 120px;
}

.news_top {
    margin-top: 3.4%;
    justify-content: space-between;
}

.news_img1 {
    width: 48.8%;
}

.news_img1 .fixed_ratio {
    padding-top: calc(544 / 772 * 100%);
    border-radius: 10px;
}

.news_top_rig {
    width: 50%;
}

/*.news_img2 {}*/

.news_img2 .fixed_ratio {
    padding-top: calc(264 / 790 * 100%);
    border-radius: 10px;
}

.news_top_rig_b {
    margin-top: 2.3%;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.news_video {
    width: 48.8%;
    position: relative;
    border-radius: 10px;
    overflow: hidden;
}

.news_video .fixed_ratio {
    padding-top: calc(263 / 386 * 100%);
}

.news_video .btns {
    position: absolute;
    display: block;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-image: url("../images/video_btn.png");
    background-repeat: no-repeat;
    background-position: center;
    background-size: calc(60 / 386 * 100%) auto;
    cursor: pointer;
}

.news_zd {
    width: 48.8%;
}

.news_zd .fixed_ratio {
    padding-top: calc(263 / 386 * 100%);
    border-radius: 10px;
}

.news_zd a {
    display: flex;
    flex-flow: column;
    align-items: center;
    justify-content: center;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: #5b9bf3;
    padding: 10.4%;
}

.news_zd a p {
    font-family: Arial;
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #ffffff;
    display: block;
    width: 100%;
}

.news_zd a h4 {
    width: 100%;
    font-size: 17px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 1.65;
    letter-spacing: 0px;
    color: #ffffff;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    margin-top: 1em;
}

.news_bot {
    margin-top: 3.2%;
}

/*.news_bot li {}*/

.news_bot li a {
    display: block;
}

/*.news_bot li .text {}*/

.news_bot li .text h3 {
    font-size: 18px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #333333;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.news_bot li .text p {
    font-family: Arial, Helvetica, sans-serif;
    font-size: 15px;
    font-weight: bold;
    font-stretch: normal;
    line-height: 1.5;
    letter-spacing: 0px;
    color: #5b9bf3;
    margin-top: 0.6em;
}

.news_bot li .text .sums {
    font-size: 15px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 1.75;
    letter-spacing: 0px;
    color: #888888;
    margin-top: 1.7em;

    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

#new_video {
    position: fixed;
    left: 50%;
    top: 50%;
    /* right: 0;
    bottom: 0; */
    width: 100%;
    height: 100%;
    transform: translate(-50%, -50%);
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(24px);
    z-index: 80;
    display: none;
}

#new_video .video_cont {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: calc(94px + 5vh) 10vw 5vh;
    width: 100%;
    height: 100%;
    position: relative;
}

#new_video .video_cont img {
    max-width: 100%;
}

#new_video .video_cont video {
    display: block;
    max-width: 100%;
    max-height: 100%;

    object-position: center;
    object-fit: contain;
}

.video_close {
    position: absolute;
    right: 10vw;
    top: calc(60px + 5vh);
    display: block;
    width: 24px;
    height: 24px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    background-image: url("../images/icon-video-close.png");
    cursor: pointer;
}

@media (max-width: 1650px) {
    .news {
        padding: 3.6% 0 7.2%;
    }

    .news_bot li .text .sums {
        margin-top: 1.5em;
    }
}

@media (max-width: 1200px) {
    .news {
        padding: 45px 0 60px;
    }

    .news_bot li .text .sums {
        margin-top: 1.2em;
    }
}

@media (max-width: 990px) {
    .news {
        padding: 40px 0 45px;
    }

    .news_top {
        flex-flow: column;
        margin-top: 26px;
    }

    .news_img1 {
        width: 100%;
    }

    .news_top_rig {
        width: 100%;
        margin-top: 2.3%;
    }

    .news_bot {
        margin-top: 24px;
    }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
    .news {
        padding: 32px 0 30px;
    }

    .news_top {
        margin-top: 20px;
    }

    .news_top_rig {
        margin-top: 10px;
    }

    .news_top_rig_b {
        flex-flow: column;
        margin-top: 10px;
    }

    .news_video {
        width: 100%;
    }

    .news_zd {
        width: 100%;
        margin-top: 10px;
        display: none;
    }

    .news_zd .fixed_ratio {
        padding: 0;
    }

    .news_zd a {
        position: relative;
        padding: 20px 12px;
    }

    .news_zd a h4 {
        margin-top: 5px;
    }

    .news_bot {
        margin-top: 20px;
    }

    .news_bot li .text h3 {
        font-size: 17px;
    }

    .news_bot li .text p {
        font-size: 14px;
    }

    .news_bot li .text .sums {
        margin-top: 0.5em;
    }
}

/* 创新发展 */
.innovate {
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    padding: 58px 0 70px;
}

.innovate.mob {
    display: none;
}

.innovate_cont {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 2.5%;
}

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

.innovate_tel input {
    outline: none;
    border: none;
    background: none;
    height: 56px;
}

.innovate_tel .text {
    padding: 0 20px;
    background: #ffffff;
    color: #333333;
    font-size: 15px;
    transition: 0.35s;
    width: 290px;
}

.innovate_tel .text:focus {
    border-color: #0d50be;
}

.innovate_tel .text:focus::-webkit-input-placeholder {
    opacity: 0;
    visibility: hidden;
}

.innovate_tel .text::-webkit-input-placeholder {
    color: #888888;
}

.innovate_tel .sub {
    width: 154px;
    background: #5b9bf3;
    color: #fff;
    font-size: 15px;
    cursor: pointer;
    transition: 0.35s;
    border: 1px solid #fff;
}

.innovate_tel .sub:hover {
    background-color: #5b9bf3;
}

/*.innovate_message {}*/

.innovate_message a {
    width: 10em;
    border: solid 1px rgba(255, 255, 255, 1);
    display: block;
    font-size: 15px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 52px;
    letter-spacing: 0px;
    color: #ffffff;
    text-align: center;
    margin-left: 0.8em;
}

.innovate_message a:hover {
    background-color: #840006;
}

@media (max-width: 1650px) {
    .innovate {
        padding: 50px 0 60px;
    }
}

@media (max-width: 1200px) {
    .innovate {
        padding: 45px 0 50px;
    }

    .innovate_cont {
        margin-top: 24px;
    }

    .innovate_tel input {
        height: 50px;
    }

    .innovate_tel .text {
        width: 260px;
        font-size: 14px;
    }

    .innovate_tel .sub {
        width: 140px;
        font-size: 14px;
    }

    .innovate_message a {
        font-size: 14px;
        line-height: 46px;
    }
}

@media (max-width: 990px) {
    .innovate {
        display: block;
    }

    .innovate.mob {
        display: none;
    }

    .page-banner {
        opacity: 0;
        height: 60px;
    }

    .innovate {
        padding: 40px 0 42px;
    }

    .innovate_tel input {
        height: 45px;
    }

    .innovate_message a {
        border-width: 1px;
        line-height: 43px;
    }
}

@media (max-width: 768px) {}

@media (max-width: 640px) {
    .innovate {
        padding: 32px 0 36px;
    }

    .innovate_cont {
        flex-flow: column;
    }

    .innovate_tel {
        width: 100%;
    }

    .innovate_tel input {
        height: 42px;
    }

    .innovate_tel .text {
        width: calc(100% - 110px);
        font-size: 12px;
    }

    .innovate_tel .sub {
        width: 110px;
        font-size: 12px;
    }

    .innovate_message {
        margin-top: 0px;

    }

    .innovate_message a {
        margin-left: 0;
        font-size: 13px;
        line-height: 40px;
    }
}