    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    a {
        text-decoration: none!important;
    }
    
    ul,
    ol {
        list-style: none;
    }
    
    img {
        border: none;
    }
    
    input,
    textarea {
        outline: none;
    }
    
    html {
        font-size: 16px;
    }
    
    body {
        font-family: PingFangSC-Regular, PingFang SC, Microsoft YaHei, SimHei;
        color: #333;
        font-size: 16px;
        -webkit-tap-highlight-color: transparent;
        padding-top: 6rem;
    }
   
    .main-container {
        margin: 0 13.5vw;
    }
    
    .spacing {
        margin-top: 6.25vw;
    }
    
    .blue {
        color: #2763d4;
    }
    
    .bac-grey {
        background-color: #f5f6f6;
    }
    
    .dot {
        display: inline-block;
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: #005ac9;
        margin-right: 24px;
        margin-bottom: 3px;
    }
    /* 头部导航样式开始 */
    
    header {
        position: fixed;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
        width: 100%;
        height: 6rem;
        z-index: 1000;
        background-color: #fff;
    }
    
    .light {
        background-color: rgba(0, 15, 41, 0.6);
    }
    
    .banner {
        position: relative;
        /* height: calc(100vh - 6rem); */
        width: 100%;
        /* background: url('../img/banner4.jpg') no-repeat top center / cover; */
        overflow: hidden;
        
    }
    
    .overlay {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-color: rgb(56, 165, 238, 0.3);
    }
    
    .hd_container1 {
        display: flex;
        position: relative;
        max-width: 82rem;
        height: 6rem;
        padding: 0 1rem;
        margin: 0 auto;
    }
    
    .logo_container {
        display: flex;
        flex: 1;
        align-items: center;
    }
    
    .logo_container img {
        width: 10rem;
    }
     #slogan-img img {
            max-width: 80px;
            margin-left: 30px;
        }
    
    .nav_btn {
        display: flex;
        flex: 3;
    }
    
    .nav_links {
        flex: 2.5;
    }
    
    .nav_es {
        display: flex;
        flex: 1.5;
        justify-content: center;
        align-items: center;
    }
    
    .nav_es span {
        font-family: PingFangSC-Regular, PingFang SC, Microsoft YaHei, SimHei;
        font-size: 1rem;
        color: #005aab;
        font-weight: 500;
        margin-right: 2rem;
    }
    
    .nav_es .icon-email {
        font-size: 1.5rem;
        color: #005aab;
        font-weight: 500;
        vertical-align: middle;
    }
    
    .nav_es .icon-search {
        font-size: 1.5rem;
        color: #005aab;
        font-weight: 500;
        vertical-align: middle;
    }
     .hd_container1 .eng { 
         position: absolute;
         top: 50%;
         right: 0;
        transform:translateY(-50%);
        font-size:16px ;
      color: #005aab;
        font-weight: 500;
        
         
     }
    .nav_links>ul {
        display: flex;
        justify-content: center;
        align-items: center;
    }
    
    .nav_link>a {
        display: flex;
        line-height: 6rem;
        padding: 0 0.5rem;
        color: #005aab;
        font-family: PingFangSC-Medium, PingFang SC;
        font-size: 1rem;
        font-weight: 500;
        transition: all 0.5s;
        justify-content: space-between;
        align-items: center;
    }
    
    .nav_link {
        position: relative;
    }
    
    .dropdown {
        position: absolute;
        top: 100%;
        left: 0;
        width: 10rem;
        transform: translateY(10px);
        opacity: 0;
        pointer-events: none;
        transition: 0.5s;
    }
    
    .dropdown ul {
        position: relative;
    }
    
    .dropdown_link>a {
        display: flex;
        background-color: rgb(133, 167, 253);
        color: #fff;
        padding: 0.5rem 1rem;
        font-size: 1rem;
        font-family: PingFangSC-Medium, PingFang SC;
        align-items: center;
        justify-content: space-between;
    }
    /* .dropdown_link:not(:nth-last-child(2)) {
        border-bottom: 1px solid #efefef;
    }
     */
    
    .dropdown_link {
        position: relative;
    }
    
    .arrow {
        position: absolute;
        width: 11px;
        height: 11px;
        top: -5.5px;
        left: 32px;
        background-color: rgb(135, 170, 246);
        transform: rotate(45deg);
        z-index: -1;
    }
    
    .dropdown .second {
        position: absolute;
        top: 0;
        left: 100%;
        padding-left: 0.8rem;
        transform: translateX(10px);
    }
    
    .dropdown .second .arrow {
        top: 10px;
        left: -5.5px;
    }
    
    .search_input {
        position: absolute;
        top: 100px;
        right: 0;
        width: 25%;
        height: 40px;
        display: none;
        background-color: #fff;
        border-radius: 15px;
        box-shadow: 2px 2px 2px 1px rgba(0, 0, 0, 0.3);
    }
    
    .search_active {
        display: block;
    }
    
    .search_input input {
        padding-left: 10px;
        padding-bottom: 5px;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        border: none;
        outline: none;
        width: 80%;
        background-color: transparent;
        border-bottom: 2px solid #1069D0;
        font-size: 16px;
        color: #333;
    }
    
    .search_input .icon-search {
        position: absolute;
        top: 25%;
        left: 80%;
        color: #333;
    }
    
    .hamburger_menu_container {
        display: none;
        flex: 1;
        align-items: center;
        justify-content: flex-end;
    }
    
    .hamburger_menu {
        width: 2.5rem;
        height: 2.5em;
        /* background-color: #1C69FF; */
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .hamburger_menu div {
        width: 1.6em;
        height: 3px;
        border-radius: 3px;
        background-color: #fff;
        position: relative;
        z-index: 1001;
        transition: 0.5s;
    }
    
    .hamburger_menu div::before,
    .hamburger_menu div::after {
        content: '';
        position: absolute;
        width: inherit;
        height: inherit;
        background-color: #fff;
        border-radius: 3px;
        transition: 0.5s;
    }
    
    .hamburger_menu div::before {
        transform: translateY(-7px);
    }
    
    .hamburger_menu div::after {
        transform: translateY(7px);
    }
    
    #check {
        position: absolute;
        top: 50%;
        right: 2rem;
        transform: translateY(-50%);
        width: 2.5rem;
        height: 2.5rem;
        z-index: 90000;
        opacity: 0;
        display: none;
    }
    
    #check:checked~.hamburger_menu_container .hamburger_menu div {
        background-color: transparent;
    }
    
    #check:checked~.hamburger_menu_container .hamburger_menu div::before {
        transform: translateY(0) rotate(-45deg);
    }
    
    #check:checked~.hamburger_menu_container .hamburger_menu div::after {
        transform: translateY(0) rotate(45deg);
    }
    
    .icon-line-filedownloadxiazaiwendang {
        font-size: 26px;
        color: red;
        font-weight: 600;
        vertical-align: middle;
    }
    
    @media (any-hover: hover) {
        .nav_link>a:hover {
            transform: scale(1.1);
        }
        .dropdown_link:hover>a {
            background-color: #3498db;
        }
        .dropdown_link:first-child:hover~.arrow {
            background-color: #3498db;
        }
        .nav_link:hover>.dropdown,
        .dropdown_link:hover>.dropdown {
            transform: translate(0, 0);
            opacity: 1;
            pointer-events: auto;
        }
    }
    
    @keyframes animation {
        from {
            transform: translateY(15px);
            opacity: 0;
        }
        to {
            transform: translateY(0);
            opacity: 1;
        }
    }
    /* 头部移动端样式 */
    
    @media (max-width:992px) {
        header {
            background-color: #60b4df;
        }
        .banner {
            margin-top: 6rem;
        }
        .hamburger_menu_container {
            display: flex;
        }
        #slogan-img img {
            max-width: 50px;
            margin-left: 20px;
        }
        #check {
            display: block;
        }
        .nav_btn {
            position: fixed;
            height: calc(100vh - 6rem);
            top: 6rem;
            left: 0;
            width: 100%;
            background-color: #69bde7;
            flex-direction: column;
            align-items: center;
            justify-content: space-between;
            overflow-x: hidden;
            overflow-y: auto;
            transform: translateX(100%);
            transition: 0.65s;
        }
        #check:checked~.nav_btn {
            transform: translateX(0);
        }
        #check:checked~.nav_btn .nav_link,
        #check:checked~.nav_btn .nav_es {
            animation: animation 0.5s ease forwards var(--i);
        }
        .nav_links {
            flex: initial;
            width: 100%;
            /* background-color: red; */
        }
        .nav_links>ul {
            flex-direction: column;
        }
        .nav_link {
            width: 100%;
            transform: translateY(15px);
            opacity: 0;
        }
        .nav_link>a {
            line-height: 1;
            padding: 1.6rem 2rem;
        }
        .nav_link:hover>a {
            transform: scale(1);
            background-color: #50a9d6;
        }
        .dropdown,
        .dropdown .second {
            position: initial;
            top: initial;
            left: initial;
            transform: initial;
            opacity: 1;
            pointer-events: auto;
            width: 100%;
            padding: 0;
            background-color: #3183ac;
            display: none;
        }
        .dropdown_link>a {
            background-color: transparent;
            padding: 1.2rem 2rem;
            line-height: 1;
        }
        .dropdown .second .dropdown_link>a {
            padding: 1.2rem 2rem 1.2rem 3rem;
        }
        .dropdown .second .dropdown .second .dropdown_link>a {
            padding: 1.2rem 2rem 1.2rem 4rem;
        }
        .arrow {
            z-index: 1;
            background-color: #69bde7;
            left: 10%;
            transform: scale(1.1) rotate(45deg);
            transition: 0.5s;
        }
        .nav_link:hover .arrow {
            background-color: #50a9d6;
        }
        .dropdown .dropdown .arrow {
            display: none;
        }
        .dropdown_link:hover>a {
            background-color: #3a91bd;
        }
        .dropdown_link:first-child:hover~.arrow {
            background-color: #50a9d6;
        }
        .nav_link>a>i {
            font-size: 1.1rem;
            transform: rotate(-90deg);
            transition: 0.7s;
        }
        .dropdown i {
            font-size: 1rem;
            transition: 0.7s;
        }
        .nav_link:hover>.dropdown,
        .dropdown_link:hover>.dropdown {
            display: block;
        }
        .nav_link:hover>a>i,
        .dropdown_link:hover>a>i {
            transform: rotate(90deg);
        }
        .nav_es {
            flex: initial;
            width: 100%;
            padding: 1.5rem 1.9rem;
            justify-content: flex-start;
            transform: translateY(15px);
            opacity: 0;
        }
        .search_input {
            width: 45%;
        }
        .hd_container1 .eng {
            display:none;
            
        }
    }
    /* ----------底部样式开始！----------- */
    
    .ft {
        margin-top: 80px;
        background-color: #282828;
        padding-top: 80px;
    }
    
    .ft .ft_logo {
        margin-bottom: 40px;
    }
    
    .ft .ft_txt {
        display: flex;
        justify-content: space-between;
    }
    
    .ft .ft_txt .txt_box {
        width: 25%;
        margin-right: 20px;
    }
    
    /*.ft .ft_txt .txt_box:first-child,*/
    /*.ft .ft_txt .txt_box:nth-child(3),*/
    /*.ft .ft_txt .txt_box .top,*/
    /*.ft .ft_txt .txt_box .bottom {*/
    /*    padding: 26px 0 0 45px;*/
    /*}*/
    
    .ft .ft_txt .txt_box:last-child {
        margin-right: 0;
    }
    
    .ft .ft_txt .txt_box h4 {
        font-size: 16px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #005FCD;
    }
    
    .ft .ft_txt .txt_box li a {
        display: block;
        margin-top: 10px;
        font-size: 16px;
        font-family: PingFangSC-Regular, PingFang SC;
        color: #FFFFFF;
    }
    
    .ft .ft_txt .txt_box .top {
        margin-bottom: 20px;
    }
    
    .copyright {
        padding: 50px 0;
       
    }
    
    .copyright_box {
        display: flex;
    }
    
   
    .copyright .left,
    .copyright .right {
        display: block;
        font-size: 16px;
        font-family: PingFangSC-Medium, PingFang SC;
        font-weight: 500;
        color: #FFFFFF;
    }
    
    .copyright .left {
        width: 65%;
    }
    
    .copyright .right {
        display: flex;
        justify-content: space-between;
    }
    
    .copyright .right a {
        color: #fff;
    }
     .copyright .icp-beian {
         padding-top:10px;
         
     }
   
    
    .copyright .copyright_box .year {
        color: #fff;
    }
    /* 移动端样式开始 */
    
    @media (max-width:768px) {
        body {
            padding-top: 0;
            
        }
        h3.title-en {
            line-height: 1;
        }
        /* 底部 */
        .ft {
            padding-top: 20px;
        }
        .ft .ft_txt {
            width: 100%;
            flex-wrap: wrap;
        }
        .ft .ft_txt .txt_box {
            margin-bottom: 15px;
            width: 49%;
            margin-right: 0;
        }
        .ft_logo img {
            width: 40%;
        }
        .ft .ft_logo {
            margin-top: 40px;
            margin-bottom: 20px;
        }
        /* 版权信息 */
        .copyright {
             padding-top: 30px;
            padding-bottom: 30px;
          
            background-color: #1A1A1A;
        }
          
        .copyright_box {
            flex-wrap: wrap;
           
            height: 100%;
        }
       
        .copyright .right {
            padding-top: 20px;
        }
        .copyright .left,
        .copyright .right {
            /* margin-top: 10px; */
            width: 100%;
            display: block;
            font-weight: 500;
            color: #FFFFFF;
        }
        .copyright .right li {
            float: left;
            margin-right: 5px;
        }
        .copyright .right a {
            color: #fff;
        }
        .copyright .left span {
            /* margin-left: 3px; */
            font-size: 12px;
            color: #005FCD;
        }
        .value-txt .title-en {
            font-size: 28px;
        }
        .value-txt .title-cn {
            font-size: 22px;
        }
        .small-banner {
            margin-top: 95px;
            overflow: hidden;
        }
        .small-banner img {
            width: 200%!important;
            height: 240px!important;
            display: block;
            transform: translateX(-150px);
        }
        .main-container {
            margin: 0 20px;
        }
        /* h3.title-en {
            line-height: 1;
        } */
    }
    /* 公共文字样式 */
    
    .title-en {
        font-size: 60px;
        font-family: Beirut;
        font-weight: 600;
        color: #C4DFFF;
        line-height: 83px;
        background: linear-gradient(180deg, #D8D8D8 0%, #FFFFFF 100%);
        background-clip: text;
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    
    .title-cn {
        position: absolute;
        top: 15px;
        left: 50%;
        transform: translateX(-50%);
        font-size: 50px;
        font-family: PingFangSC-Semibold, PingFang SC;
        font-weight: 600;
        color: #333333;
    }
    
    .value-txt {
        padding-top: 30px;
    }
    
    .txt {
        margin-bottom: 50px;
        position: relative;
        text-align: center;
    }
    /* 内页banner图区域样式 */
    
    .small-banner {
        position: relative;
        width: 100%;
        
    }
    
    .small-banner img {
        width: 100%;
        
    }
    
    .small-banner h2 {
        position: absolute;
        top: 30%;
        left: 12%;
    }
    
    .small-banner h2 span {
        display: block;
        color: #fff;
        /* margin-top: 10px; */
    }
    
    .small-banner h2 span:nth-child(1) {
        font-size: 24px;
    }
    
    .small-banner h2 span:nth-child(2) {
        font-size: 36px;
    }
    /* banner区域结束！ */
    /* 内页左上角小导航 */
    
    .bredbg {
        margin-top: 20px;
        margin-bottom: 40px;
    }
    
    .bredbg ol li {
        display: inline-block;
    }
    
    .bredbg ol li a {
        font-size: 14px;
        color: #333;
    }
    
    .bredbg .icon-arrow-right {
        font-size: 14px;
        color: #333;
    }
    .list-paddingleft-2 li p{
        text-indent:0rem;text-indent: 0px;
    }
    .row .pro-content-box .list-paddingleft-2 li p{
        text-indent:0rem;text-indent: 0px;
    }
    .row .manufacturing-conent-box .list-paddingleft-2 li p{
        text-indent:0rem;text-indent: 0px;
    }
.btn-slide {
    display: block;
    margin: 0 auto;
    margin-top: 30PX;
    text-align: center;
    width: 100px;
    height: 30px;
    /* padding: 10px 10px 0 0; */
    line-height: 30px;
    color: #2763d4;
    border: 1px solid #2763d4;
    transition: .5s;
}
#show,#show2{
    display: none;
}