::-webkit-scrollbar {
    height: 4px;
    width: 0px;
    background: #ccc;
}
.banner_swiper {
    position: relative;
}

.foot .copy .word img{margin-right:10px;}

.foot .copy .word a:nth-child(3){margin-left:10px;}
.foot .copy .word a:last-child img{margin-right:0;}

.banner_swiper .swiper-slide-active img {
    animation: bigimgani 6000ms infinite ease-out;
}

.banner_swiper .swiper-pagination {
    width: 100%;
    text-align: center;
    position: absolute; bottom: 20px; left: 0; right: 0;
}

.banner_swiper .swiper-pagination .swiper-pagination-bullet {
    width: 42px;
    height: 6px;
    border-radius: 4px;
    background: #c9c9c9;
    margin: 0 10px;
}

.banner_swiper .swiper-pagination .swiper-pagination-bullet-active {
    background: #4d4d4d;
}

.w1600 {
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}
.container.w1600 {
  margin-top:95px;
padding:0;
}
.home-message{
  margin-bottom:0;
width:100%;
}
.home-title span{
	font-size:18px;
    font-weight: bold;
    color: #333;
    
}
.home-message .text{
font-size:16px;
height:46px;
line-height:46px;
}
.home-message textarea.text{
font-size:16px;
}
.home-title p{
font-size: 22px;
    font-weight: bold;
    color: #333;
text-transform: capitalize;
}

.home-message li{
margin-bottom:20px;
}

.home-message li:last-child{
    margin-bottom:0;
}

@keyframes bigimgani {
    0% {
        transform: scale(1.1);
    }

    100% {
        transform: scale(1);
    }
}

.porduct_list {
    margin: 200px 0 140px 0;
}

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

.porduct_list ul li {
    width: calc((100% - 40px) / 3);
    margin-bottom: 100px;
}

.porduct_list ul li a {
    display: block;
    position: relative;
}

.porduct_list ul li .item{padding-bottom: 100%; position: relative; display: block; border-radius: 50%; overflow: hidden;}
.porduct_list ul li .item .bod{position: absolute; top: 0; left: 0; right: 0; bottom: 0; display: flex; flex-direction: column; justify-content: center; align-items: center;}
.porduct_list ul li .item img{width: 20%;}
.porduct_list ul li .item p{font-size: 36px; margin: 10%; color: #fff; text-align: center;}
.porduct_list ul li .item p:hover{color: #fff;}
.porduct_list ul li .item span{border: 15px solid rgba(255,255,255,0); border-top-color: #fff;}

@media(max-width: 768){
    .porduct_list ul li .item p{font-size: 18px;}
}

.porduct_list ul li figure {
    width: 100%;
    height: 315px;
    overflow: hidden;
    position: relative;
}

.porduct_list ul li figure .img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.porduct_list ul li figure .mask {
    z-index: 100;
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    text-align: center;
    font-size: 16px;
    opacity: 0;
    transition: all 0.3s;
}

.porduct_list ul li figure .mask .word {
    position: absolute;
    top: 60%;
    text-align: center;
    width: 70%;
    left: 50%;
    line-height: 1.8;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    transition: ease-in-out 0.3s;
}

.porduct_list ul li figure .mask .word p {
    font-size: 16px;
    color: #fff;
    line-height: 1.8;
    margin-top: 20px;
}

.porduct_list ul li figure .mask .word p.font14 {
    font-size: 14px;
    margin-top: 0;
}

.porduct_list ul li figcaption {
    background: #ecebe9;
    max-height: 135px;
    display: flex;
    align-items: flex-end;
    padding: 30px 50px 25px 20px;
    justify-content: space-between;
}

.porduct_list ul li figcaption .left p.en {
    font-weight: bold;
    color: #333;
    text-transform: capitalize;
    font-size: 26px;
}

.porduct_list ul li figcaption .left p.cn {
    font-weight: 500;
    color: #333;
    font-size: 20px;
    margin-top: 10px;
}

.porduct_list ul li:hover .mask {
    opacity: 1;
}

.porduct_list ul li:hover .mask .word {
    top: 50%;
}

.video_list {
    margin: 112px 0 132px 0;
}

.video_list .w1600 {
    position: relative;
}

.swiper-button-next,
.swiper-button-prev {
    display: none;
}

.video_list .swiper-slide {
    height: 420px;
    position: relative;
}

.video_list .swiper-slide .img {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 99;
    cursor: pointer;
}

.video_list .swiper-slide .img > img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video_list .swiper-slide .img aside {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 100;
}
.video_list .swiper-slide .img aside h3 {
    color: #fff;
    opacity: 0.8;
    font-size: 28px;
    letter-spacing: 1px;
    position: absolute;
    z-index: 1;
    left: 30px;
    top: 60px;
}
.video_list .swiper-slide .img aside p {
    position: absolute;
    left: 30px;
    top: 100px;
    z-index: 1;
    color: #fff;
    opacity: 0.8;
    font-size: 22px;
}
.video_list .swiper-slide .img aside img {
    width: 60px;
    position: absolute;
    right: 50px;
    bottom: 40px;
    z-index: 1;
}

.video_list .swiper-slide video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: none;
}

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

.index_title .left {
    display: flex;
    align-items: center;
}

.index_title .left p.en {
    font-size: 42px;
    font-weight: bold;
    color: #333;
    text-transform: capitalize;
}

.index_title .left p.cn {
    font-size: 24px;
    font-weight: bold;
    color: #333;
    margin-left: 10px;
}

.index_title .right {
    color: #666;
    text-transform: uppercase;
    font-size: 24px;
}
.index_title .right span{
    color:#E9C12A;
}
.works_list {
    margin-top: 50px;
    position: relative;
}

.works_list figure {
    width: 100%;
    height: 562px;
    overflow: hidden;
}

.works_list figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: ease-in-out 0.5s;
}

.works_list figcaption p.tt {
    font-size: 22px;
    color: #333;
    margin: 30px 0 20px 0;
}

.works_list figcaption p.in {
    font-size: 16px;
    color: #666;
    line-height: 1.8;
    letter-spacing: 1.2px;
}

.works_list a {
    display: inline-block;
}

.works_list a:hover figure img {
    transform: scale(1.12);
}

.index_page {
    padding-bottom: 140px;
}

.foter {
    width: 100%;
    background: #1b1b1b;
    padding: 80px 0 120px 0;
}

.foter .share ul {
    display: flex;
    align-items: center;
}

.foter .share ul li {
    width: 52px;
    margin-right: 30px;
}

.foter .share ul li img {
    width: 100%;
    object-fit: contain;
}

.foter .share ul li:nth-child(3) {
    width: 72px;
}

.foter .foter_bottom {
    margin-top: 100px;
    display: flex;
    justify-content: space-between;
}

.foter .foter_bottom .left {
    display: flex;
    align-items: flex-start;
}

.foter .foter_bottom .left .ewm {
    width: 126px;
    margin-right: 80px;
}

.foter .foter_bottom .left .font img {
    margin-bottom: 10px;
}

.foter .foter_bottom .left .font p {
    font-size: 16px;
    line-height: 2;
    color: #858483;
    opacity: 0.7;
    letter-spacing: 1px;
}

.foter .foter_bottom .right .f_nav ul {
    display: flex;
    align-items: flex-start;
    justify-content: flex-start;
}

.foter .foter_bottom .right .f_nav ul li {
    margin-left: 130px;
}

.foter .foter_bottom .right .f_nav ul li h3 {
    color: #858483;
    font-size: 24px;
    font-weight: normal;
    margin-bottom: 10px;
}

.foter .foter_bottom .right .f_nav ul li a {
    font-size: 16px;
    line-height: 2.4;
    color: #858483;
    opacity: 0.7;
    letter-spacing: 1px;
    transition: all 0.3s;
    display: block;
}

.foter .foter_bottom .right .f_nav ul li a:hover {
    color: #fff;
    opacity: 1;
}

.foter .foter_bottom .right .f_nav ul li:first-child {
    margin-left: 0;
}

.foter .foter_bottom .right .f_nav p {
    font-size: 16px;
    line-height: 2.4;
    color: #858483;
    opacity: 0.7;
    letter-spacing: 1px;
}

.nav ul {
    display: flex;
    align-items: center;
}

.nav ul li {
    padding-bottom: 24px;
    margin-left: 53px;
}

.nav ul li a {
    color: #a3a1a2;
    font-size: 18px;
    letter-spacing: 2px;
    font-weight: 600;
    transition: all 0.3s;
}

.nav ul li a:hover {
    color: #333;
}

.nav ul li.active a {
    color: #333;
}

.nav ul li:firts-child {
    margin-left: 0;
}

.index_about {
    padding-bottom: 72px;
}

.index_about .title_cn {
    font-weight: bold;
    font-size: 70px;
    color: #333;
    letter-spacing: 2px;
    position: relative;
    width: fit-content;
}

.index_about .title_cn::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 40%;
    background: #E9C12A;
    left: 0;
    bottom: 5px;
    z-index: -1;
}

.index_about .title_en {
    color: #707071;
    font-size: 80px;
    letter-spacing: 3px;
    font-weight: bold;
    margin-top: 60px;
    line-height: 1.25;
}

.index_about .font_cn {
    font-size: 18px;
    color: #666;
    font-weight: 400;
    line-height: 2.8;
    letter-spacing: 1px;
    font-weight: 500;
    margin-top: 75px;
    margin-bottom: 125px;
}

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

.num_list ul li h3 {
    font-size: 80px;
    color: #333;
    position: relative;
    z-index: 1;
    width: fit-content;
    line-height: 1;
    margin: 0 auto;
    text-align: center;
}

.num_list ul li h3::after {
    position: absolute;
    content: '';
    width: 100%;
    height: 14px;
    background: #E9C12A;
    bottom: 5px;
    z-index: -1;
    left: 0;
}

.num_list ul li p {
    color: #444;
    font-size: 28px;
    margin-top: 40px;
    text-align: center;
    text-transform: uppercase;
    font-weight: bold;
}

.index_jieshao {
    
    padding: 50px 0;
    background: #0f0f0f;
}
.index_jieshao .w1600{display: flex; align-items: center;}
.index_jieshao img {
    
}
.index_jieshao .img11{

   width: 40%; margin-left: 20px;
    bottom: 0;
    height: auto;
}

.index_jieshao .word {
    
    left: 160px;
    top: 100px;
    z-index: 9;
}

.index_jieshao .word .p-fir {
    position: relative;
    width: fit-content;
}

.index_jieshao .word .p-fir p {
    font-size: 70px;
    color: #fff;
    font-weight: normal;
    letter-spacing: 3px;
    font-weight: 600;
    z-index: 1;
    line-height: 1;
    opacity: 0.7;
}

.index_jieshao .word .p-fir::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 45%;
    background:#E9C12A;
    z-index: -1;
    left: 0;
    bottom: 0;
    opacity: 1;
}

.index_jieshao .word .p_sec {
    color: #b7b7b7;
    font-size: 80px;
    font-weight: bold;
    margin-top: 26px;
    letter-spacing: 0px;
}

.index_jieshao .word .p_inf {
    font-size: 22px;
    color: #878787;
    margin-top: 40px;
    line-height: 2.1;
}

.menu.m {
    position: relative;
    width: 28px;
    height: 26px;
    z-index: 11;
    cursor: pointer;
    display: none;
}

body.open .menu.m span:nth-child(1) {
    top: 10px;
    -webkit-transform: rotate(45deg);
    -ms-transform: rotate(45deg);
    transform: rotate(45deg);
}

body.open .menu.m span:nth-child(2) {
    -webkit-transform: scale(0, 1);
    -ms-transform: scale(0, 1);
    transform: scale(0, 1);
}

body.open .menu.m span:nth-child(3) {
    top: 10px;
    -webkit-transform: rotate(-45deg);
    -ms-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

.menu.m span {
    position: absolute;
    width: 100%;
    display: block;
    height: 2px;
    background: #000;
    left: 0;
    top: 0;
    -webkit-transition: all 500ms;
    -o-transition: all 500ms;
    transition: all 500ms;
    z-index: 11;
    border-radius: 2em;
}

.menu.m_o span {
    background: #fff;
}

.menu.m span:nth-child(2) {
    top: 10px;
}

.menu.m span:nth-child(3) {
    top: 21px;
}

.mb_img {
    display: none;
}

.m_nav {
    display: none;
}

.mb_foter {
    display: none;
}

.t_logo {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-top: 5%;
}
.t_logo img {
    margin-right: 30px;
}
.t_logo img:first-child {
    width: 120px;
}
.t_logo img:nth-child(2) {
    width: 90px;
}
.t_logo img:nth-child(3) {
    width: 100px;
}
.t_logo img:nth-child(4) {
    width: 120px;
}

@media (max-width: 1600px) {
.index_title .left p.en{
   font-size:22px;
}
.index_title .left p.cn{font-size:18px;}
    .w1600 {
        max-width: 90%;
        width: 100%;
        margin: 0 auto;
    }
.index_title .right{font-size:18px;}
  
    .porduct_list ul li{
      margin-bottom: 60px;
    }
    .index_about .title_en{
      font-size: 40px;
      max-width: 70%;
 margin-top:32px;
    }
    .index_about .font_cn{
      margin: 50px 0 60px 0;
    }
    .porduct_list{
      margin-bottom: 30px;
    }
    .num_list ul{
      max-width: 90%;
    }
    .index_jieshao .word .p_sec{
      font-size: 40px;
    }
    .index_jieshao .word .p_inf{
      font-size: 18px;
      line-height: 1.8;
    }
    .num_list ul li h3{
      font-size: 40px;
    }
  .num_list ul li  p{
      font-size:15px;
     margin-top:30px;
   }
.porduct_list ul li figcaption .left p.en{font-size: 18px;}
.porduct_list ul li figcaption .left p.cn{font-size: 15px;margin-top: 4px;}
.video_list .swiper-slide .img aside h3{font-size: 22px;}
.video_list .swiper-slide .img aside p{font-size: 18px;top:92px;}
}

@media (max-width: 1440px) {
   
    .t_logo {
        margin-top: 12%;
    }
    .index_about .title_en {
        font-size: 40px;
        margin-top: 3%;
    }
    .index_about .font_cn {
        margin: 55px 0 70px 0;
    }
    .index_about .title_cn {
        font-size: 50px;
    }
    .porduct_list {
        margin: 140px 0 0 0;
    }
    .index_page {
        padding-bottom: 100px;
    }
    .video_list {
        margin: 90px 0;
    }
}

@media (max-width: 1023px) {
    .m_nav {
        display: block;
        position: fixed;
        top: 59px;
        /* box-shadow: 0 15px 27px 0 rgba(167, 165, 165, .38); */
        width: 100%;
        height: calc(100% - 60px);
        /* background: rgba(0, 0, 0, .85); */
        background: #fff;
        transition: all ease 0.5s;
        -webkit-transition: all ease 0.5s;
        z-index: 100;
        opacity: 1;
        visibility: visible;
        margin-top: 0;
        overflow-y: auto;
        transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transform: translateX(100%);
    }

    .m_nav.open {
        transform: translateX(0);
    }

    .m_nav .top {
        height: 60px;
        padding: 20px;
        box-sizing: border-box;
    }

    .m_nav .top .closed {
        width: 30px;
        height: 30px;
        vertical-align: middle;
        float: right;
        cursor: pointer;
    }

    .m_nav .logo {
        width: 100%;
        margin: 0 auto;
    }

    .m_nav .logo img {
        height: 50px;
        display: block;
        margin: 30px auto;
    }

    .m_nav .ul li {
        /* border-bottom: 1px solid #f5f5f5; */
        transform: translateY(0);
        -webkit-transform: translateY(100%);
        transform: translateY(100%);
        -webkit-transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        opacity: 0;
    }

    .m_nav.open .ul li {
        opacity: 1;
        -webkit-transform: translateY(0);
        transform: translateY(0);
    }

    .m_nav .ul li:nth-child(1) {
        -webkit-transition: all 0.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 0.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(2) {
        -webkit-transition: all 0.4s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 0.4s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(3) {
        -webkit-transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 0.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(4) {
        -webkit-transition: all 0.8s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 0.8s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(5) {
        -webkit-transition: all 1s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 1s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(6) {
        -webkit-transition: all 1.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 1.2s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(7) {
        -webkit-transition: all 1.4s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 1.4s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(8) {
        -webkit-transition: all 1.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 1.6s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li:nth-child(9) {
        -webkit-transition: all 1.8s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
        transition: all 1.8s cubic-bezier(0.77, 0, 0.175, 1) 0ms;
    }

    .m_nav .ul li a {
        text-align: center;
        display: block;
        text-decoration: none;
        color: #333;
        font-size: 16px;
        height: 64px;
        line-height: 64px;
        width: 100%;
    }

    .m_nav .ul li a img {
        width: 15px;
    }

    .m_nav .ul li .dropdown_menu {
        display: none;
    }

    .m_nav .ul li.dropdown.active .dropdown_menu {
        display: block;
    }

    .m_nav .ul li .dropdown_menu a {
        display: block;
        padding: 0 40px;
        box-sizing: border-box;
        /* border-bottom: 1px solid #dddddd; */
        height: 40px;
        line-height: 40px;
        font-size: 14px;
        color: #9e9e9f;
    }

    .m_nav .ul li .dropdown_menu a:last-child {
        border: 0;
    }
}

@media (max-width: 768px) {
.container.w1600{
margin-top:10%;
}
    .nav {
        display: none;
    }
.index_jieshao .img11{
    position: absolute;
    right: -10px;
    bottom: 0;
   object-fit: contain;
    height: auto;
}
    .menu.m {
        display: block;
    }

    .banner_swiper .swiper-pagination {
        display: none;
    }

    .pc_img {
        display: none;
    }

    .mb_img {
        display: block;
    }

    .porduct_list {
        margin: 8% 0 6% 0;
    }

    .porduct_list ul li {
        width: 100%;
        margin-right: 0;
        margin-bottom: 6%;
    }

    .porduct_list ul li figure {
        height: 190px;
    }

    .porduct_list ul li figcaption {
        
        box-sizing: border-box;
        padding: 0 4%;
        padding-bottom: 7%;
    }
    .porduct_list ul li figure .mask .word{
      display: none!important;
    }
    .porduct_list ul li:nth-child(2n) {
        margin-right: 0;
    }

    .porduct_list ul li figcaption .left p.cn {
        font-size: 12px;
        line-height: 1;
        margin-top: 4px;
    }

    .porduct_list ul li figcaption .left p.en {
        font-size: 15px;
        line-height: 1;
    }

    .porduct_list ul li figcaption .right {
        width: 20px;
    }

    .index_about .title_cn {
        font-size: 36px;
    }

    .index_about .title_cn::after {
        height: 22%;
    }

    .index_about .title_en {
        font-size: 24px;
        letter-spacing: 0;
        margin: 4% 0 6% 0;
       max-width:100%;
    }

    .index_about .font_cn {
        margin-top: 0;
        line-height: 2;
        font-size: 12px;
        margin-bottom: 7%;
max-width:100%;
font-weight: 500
    }
.num_list ul{max-width:100%;}

    .num_list ul li h3 {
        font-size: 32px;
        text-align: center;
    }

    .num_list ul li h3::after {
        height: 22%;
        width: 58px;
        bottom: 0;
        left: 50%;
        transform: translateX(-50%);
    }

    .num_list ul li p {
        font-size: 12px;
        letter-spacing: 0;
        margin-top: 8%;
        transform: scale(0.8);
    }

    .index_about {
        padding-bottom: 10%;
    }

    .index_jieshao .word .p-fir p {
        font-size: 36px;
    }

    .index_jieshao .word .p-fir::after {
        height: 30%;
    }

    .index_jieshao .word .p_sec {
        font-size: 26px;
        margin-top: 3%;
    }

    .index_jieshao .word .p_inf {
        font-size: 12px;
        line-height: 1.8;
        margin:1% 0 2% 0;
        
        
    }
    
    .index_page {
        padding-bottom: 60px;
	padding-top:61px;
    }

    .mb_foter {
        display: block;
        padding: 0 4%;
        height: 156px;
        position: relative;
        box-sizing: border-box;
    }

    .pc_foter {
        display: none;
    }

    .zixun {
        position: absolute;
        right: 0;
        top: 85px;
        width: 60px;
        height: 27px;
        background: #e1bb31;
        line-height: 27px;
        text-align: center;
    }

    .zixun a {
        color: #333;
        font-size: 12px;
        font-weight: 400;
    }

    .mb_foter .word {
        transform: scale(0.86) translate(-8%, 13%);
    }

    .mb_foter .word p {
        font-size: 12px;
        color: #fff;
        opacity: 0.6;
        line-height: 1.8;
    }

    .works_list figure {
        height: 320px;
    }

    .works_list figcaption p.tt {
        font-size: 18px;
        margin: 4% 0 3% 0;
    }

    .works_list figcaption p.in {
        font-size: 12px;
        padding-right: 6%;
        letter-spacing: 0;
    }

    .works_list {
        margin-top: 5%;
    }

    .index_title .left p.en {
        font-size: 24px;
    }

    .index_title .left p.cn {
        font-size: 14px;
    }

    .index_title .right {
        font-size: 14px;
    }

    .video_list {
        margin: 10% 0;
    }

    .video_list .swiper-container {
        height: 210px;
    }

    .video_list .swiper-slide {
        height: 100%;
    }

    .video_list {
        box-sizing: border-box;
    }

    .swiper-button-next,
    .swiper-button-prev {
        display: block;
        width: 15px !important;
        height: 24px !important;
        background-size: cover !important;
        transform: translateY(-48px) !important;
    }

    .banner_swiper .swiper-button-next,
    .banner_swiper .swiper-button-prev {
        transform: translateY(-50%) !important;
    }

    .video_list .swiper-button-next,
    .video_list .swiper-button-prev {
        transform: translateY(0%) !important;
    }
    .video_list .swiper-slide .img aside h3 {
        font-size: 20px;
        top: 12%;
        left: 6%;
    }
    .video_list .swiper-slide .img aside p {
        font-size: 14px;
        top: 25%;
        left: 6%;
    }
.video_list  .swiper-button-next,.video_list   .swiper-button-prev{
       top:60%;
}
    .video_list .swiper-slide .img aside img {
        width: 40px;
        left:50%;
        transform: translate(-50%,-50%);
        top:55%;
        opacity: 0.7;
    }
    .t_logo img {
        width: 40px;
        margin-right: 10px;
    }
    .t_logo img:first-child {
        width: 40px;
    }
    .t_logo img:nth-child(2) {
        width: 30px;
    }
    .t_logo img:nth-child(3) {
        width: 30px;
    }
    .t_logo img:nth-child(4) {
        width: 30px;
    }
    .t_logo{
      margin-top: 0;
    }
    .index_jieshao .word .p_sec{
      font-size: 24px;
      line-height: 1;
margin:5% 0 7% 0;
    }
    .index_jieshao .word .p_inf{
      line-height: 1.5;
      margin-bottom:5%;
    }

}

.num_list ul li h3 sup{font-size: 12px; text-transform: uppercase;}

.index_tit{margin-bottom: 36px;}
.index_tit dt{text-align: center; font-size: 26px;}
.index_tit dd{text-align: center;}

.box1{margin-bottom: 50px;}
.box1 .bod{display: flex; align-items: center; overflow: hidden; width: 100%;}
.box1 .bod .grow{flex-grow: 1; margin: 0 20px; overflow: hidden;}
.box1 .bod .swiper p{text-align: center; margin-top: 15px; font-size: 20px;}
.box1 .swiper-button-prev1,.box1 .swiper-button-next1{display: block; position: static; border: 3px solid #999; width: 26px; height: 32px; flex-shrink: 0;}
.box1 .swiper-button-prev1{background: url(../images/zuo.png) center center no-repeat;}
.box1 .swiper-button-next1{background: url(../images/you.png) center center no-repeat;}

.works{margin-top: 50px;}

.box2 .video{position: relative; padding-bottom: 37.5%;}
.box2 .video video{position: absolute; top: 0; left: 0; width: 100%; height: 100%;}

.w1601{margin-top: 30px; justify-content: space-between;}
.w1601 .item{width: 32%;}
.w1601 .item img{width: 100%;}

@media(max-width: 768px){
    .index_jieshao .img11{display: none;}
    .num_list ul{flex-wrap: wrap;}
    .num_list ul li{width: 50%;}
    .porduct_list ul li figcaption .left p.en{margin-top: 15px; display: block;}
}