.first-open{
        display: none;
}
/*顶部汉堡菜单*/
.menu-toggle {
    display: none; /* 默认隐藏汉堡菜单按钮 */
    cursor: pointer;
}

.bar {
        width: 1.5rem;
        height: 0.2rem;
        background-color: #25239e;
        margin: 4px 0;
}

@media screen and (max-width:450px){
    .content_box{
        width: 100vw;
        max-width: 100%;
        display: flex;
        flex-direction: column;
    }
    .wrap{
        max-width: 100%;
        min-width: 100%;
    }
    .head{
        height:200px;
    }
    .logo{
        margin-left: 2%;
    }
    .logo img{
        width: 40%;
    }
    .head-info{
        display: flex;
        flex-direction: column;
        align-items: flex-end; 
        margin-right: 3%;
    }
    .head-info span{
        margin-bottom: 3%;
        font-size: 0.8rem;
        height: 1.2rem
    }
    .search-box{
        width: 85%;
        height: 35%;
        background: #f5f5f5;
        position: absolute;
        top: 110%;
        right:2%;
    }
    .search-cont{
        padding: 5px 5px
    }
    .search-inp{
        width: 100%;
        height: 35px;
        background: #fff;
        float: unset;
        text-indent: 10%;
        color: #999;
        font-size: 0.7rem;
    }
    .ic-search{
        top: 17px;
        left: 17px;
    }
    .btn-search {
        width: 18%;
        height: 35px;
        float: right;
        font-size: 0.8rem;
        position: relative;
        top: -36px;
    }

    /*侧边导航*/
    .main-left-box{
        width: 100%;
        margin: 0;
    }
    .main-cont{
        overflow: unset;
    }
    .main-left{
        width: 25%;
        margin: 0 1%;
    }
    .title-left{
        height: 2rem;
    }
    .title-left span{
        font-size: 0.8rem;
        display: block;
        line-height: 2rem;
    }
    .nav-left-box1{
        width: 98%;
    }
    .li-navl1{
        margin: 0;
        height: 2rem;
        width: 92%;
    }
    .link-navl1{
        display: inline-block;
        font-size: 0.6rem;
        height: 2rem;
        line-height: 2rem;
        background: unset;
        position: relative;
        padding-right:15%;
    }
    /*a标签内的伪类*/
/*    a.link-navl1::after
    {
        background: url(../images/picarr01.png) no-repeat right center;
        content: '';
        position: absolute;
        top: 0;
        right:0;
        width: 20%;
        height: 100%;
        pointer-events: auto;
    }*/
    /*new start*/
    .first-open{
        display: inline-block;
        position: absolute;
        width: 20%;
        height: 2rem;
        right: 0;
         /* 设置旋转中心为元素的中心 */
/*        transform-origin: 40% 35%;
         设置动画过渡效果，可以根据需要调整过渡时间 
        transition: transform 0.3s ease;*/
    }
    .first-open::after
    {
        background: url(../images/picarr01.png) no-repeat right center;
        content: '';
        position: absolute;
        top: 0;
        right:0;
        width: 30%;
        height: 2rem;
        margin-right: 0.4rem;
        pointer-events: auto;
    }
    /*修改hover去class start*/
    .li-navl1:hover {
        border: unset;
        height: unset;
        margin: unset;
        margin-left: unset;
        width: unset;
        border-right-color: unset;
    }
    .li-navl1:hover .link-navl1 {
        font-weight: unset;
        background-image: unset;
        margin: unset;
        position: unset;
    }
    .li1-hover{
        height: unset !important; 
        width: 100% !important;
        border-right-color: unset !important;
        border: 1px solid #666 !important;
    }
    .li1-hover .link-navl1{
        width: 71%;
        font-weight: bold !important;
        margin: 0 5px !important; 
        background-image: unset; 
        position: relative;
    }
    .li-navl1:hover .link-navl1:after {
        display: none;
    }
    .hide-li1{
        border: unset;
        border-bottom: 1px solid #e3e3e3 !important;
        width: 92% !important;
    }
    .hide-li1 .link-navl1{
        margin: 0 5% !important;
    }
    /*修改hover去class end*/
    /*二级*/
    .subnavlh-cont{
        padding: 0 5%;
    }
    .list-subnavh {
        margin-top: 2%;
        padding: unset;
    }
    .li-subnavlh {
        height: 1.4rem;
        padding-left: unset;
        margin-bottom: unset; 
        width: 100%;
        overflow: hidden;
        padding: 2% 3%;
        background: url(../images/pictxt01.jpg) no-repeat 0 0.9rem;
    }
    .link-subnavlh {
        font-size: 0.7rem;
/*        width:unset;*/ 
        width: 100%;
        height: 1.5rem;
        display: inline-block;
        overflow: hidden;
        line-height: 1.5rem;
    }
    .subnavlh-box {
        width: 300%;
        left: 100%;
        height: 100%;
    }
    /*三级*/
    .subnavlh-box2 {
        top: -0.5rem;
        left: 106%;
        width: 110%;
        padding: unset; 
    }
    .li-subnavlh2 {
        /*background: url(../images/pictxt01.jpg) no-repeat 0 0.9rem;*/
        margin-bottom: unset; 
        width: unset; 
        padding: 2% 8%;
        overflow: hidden;
        height: 1.4rem;
    }
    .second-open{
        display: inline-block;
        position: absolute;
        width: 20%;
        height: 2rem;
        right: 0;
         /* 设置旋转中心为元素的中心 */
        transform-origin: 55% 35%;
        /* 设置动画过渡效果，可以根据需要调整过渡时间 */
        transition: transform 0.3s ease;
    }
    .second-open::after
    {
        /*background: url(../images/picarr01.png) no-repeat right center;*/
        color: #5e5cde;
        content: '>';
        position: absolute;
        top: 0;
        right:0;
        width: 30%;
        height: 2rem;
        margin-right: 0.4rem;
        pointer-events: auto;
    }
    .link-subnavlh:hover{
        padding: unset;
    }
    .rotate {
        transform: rotate(90deg);
    }
    .second-open.empty::after{
        display: none;
        content: '';
    }
    .clear-empty-list{
        margin: 5% 3%;
    }
    /*顶部汉堡菜单*/
    .nav-w{
        display: none; /* 默认隐藏导航菜单 */
        flex-direction: column;
        position: absolute;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: #333;
    }

    .nav-w.active {
        display: flex; /* 显示导航菜单 */
    }

    .menu-toggle {
        display: inline-block; /* 显示汉堡菜单按钮 */
        position: absolute;
        top: 120%;
        left: 3%;
    }
    /*nav*/
    .nav-w {
        position: fixed;
        top: revert-layer;
        left: 0;
        width: 100%;
        height:auto;
        background: #25239e;
        z-index: 999;
        display: none;
    }
    .nav-toggle {
        display: block;
        padding: 10px 20px;
        color: #fff;
        background: #25239e;
        border: none;
        cursor: pointer;
    }
    .nav-box {
        width: 100%;
        margin: 0;
        height: 100%;
    }
    .listnav {
        display: block;
        height: 100%;
        text-align: center;
        padding-bottom:unset;
    }
    .linav {
        float: none;
        height: auto;
        width: 100%;
        border-bottom: 1px solid #0f0d7a;
        background: unset; 
        position: relative;
        padding:unset; 
    }
    .linav .linknav{
        height: 100%;
        font-size: 1rem;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .cont_submenu {
        padding: 1rem;
        border: none;
    }

    .submenu_r {
        float: none;
        margin: 0 auto;
    }
    .submenu_r img {
        display: block;
        margin: 0 auto;
    }
    .list_submenu {
        float: none;
        width: 100%;
        border: none;
        margin-bottom: 1rem;
        min-height: unset;
    }
    .li_submenu {
        padding-left: unset;
        background: none;
        margin: 0.4rem auto;
    }
    .link_submenu {
        padding: 0.5rem 0;
        border-bottom: 1px solid #25239e;
    }
    .font-612{
        color: #0f0d7a;
    }
    .nav-expand{
        position: absolute;
        width: 35%;
        height: 100%;
        right: 0;
        top: 0;
        color: white;
        text-align: center;
        display: flex !important;
        flex-direction: column;
        justify-content: center;
    }
/*  .linav::after
  {
        content: '>';
        position: absolute;
        top: 25%;
        right:0;
        width: 30%;
        height: auto;
        margin-right: 0.4rem;
        color: white;
        font-size: larger;
    }*/
    .active.exp-linav .nav-expand{
        transform: rotate(90deg); /* 点击时旋转 */
        width: calc(100%* 0.1);
        height: calc(100%* 3);
        top: -97%;
        right: 13%;
    }
  /*更改展开时的样式 start*/
  /* 一级导航 */
    .linav {
        /* 现有样式 */
        position: relative; /* 确保这是相对定位以便子菜单的绝对定位 */
    }

    .box_submenu {
        position: absolute; /* 改为绝对定位 */
        top: 100%; /* 紧接在导航项下方开始 */
        left: 0;
        width: 100%;
        padding: 0;
        background: #fff; /* 假设您想要白色背景 */
        border-top: 1px solid #0f0d7a;
        display: none; /* 默认隐藏 */
        z-index: 999;  /*确保它在顶层 */
        max-height:22rem;
        overflow-y: auto;
    }

    /* 点击时切换显示 */
    .linav.active .box_submenu {
        display: block;
    }

    /* 指示可展开导航项的样式 */
    /*.linav.expandable::after {
        content: '>';
        position: absolute;
        top: 25%;
        right: 0.4rem;
        color: white;
        font-size: larger;
    }*/
    /* 防止导航打开时页面内容滚动 */
    body.nav-open{
        overflow: hidden; /* 阻止页面内容滚动 */
    }
      /*更改展开时的样式 end*/
      /*end*/
    /*banner start*/
    .www51buycom1{
        margin: 0.5rem auto !important;
    }
    .www51buycom1>ul{
        height: 45vh !important;
    }
    .banner-li:nth-of-type(1){
        background: url("/cn/images/mds_banner01_resize.png") center center/cover no-repeat !important;
    }
    .banner-li:nth-of-type(2){
        background: url("/cn/images/mds_banner02_resize.jpg") center center/cover no-repeat !important;
    }
    .banner-li:nth-of-type(3){
        background: url("/cn/images/mds_banner03_resize.jpg") center center/cover no-repeat !important;
    }

    .www51buycom1 .num{
        left: 42% !important;
        top: 82%;
    }
    .main-box{
        margin-top: 1rem;
    }
    .left-phobox .img1{
        height: 100%;
        width: 100%;
    }
    /*banner end*/
    /*main right start*/
    .main-contr {
        padding: 4%;
    }
    .main-right{
        margin-right: 1%;
        width: 71%;
    }
    .guide-box ul li{
        font-size: 0.7rem;
        margin-top: 0.5rem;
    }
    .list_pages li a{
        padding: 0 8px;
        font-size: 0.7rem;
    }
    .list_pages .gopage .btn{
        width: 30px;
        height: 30px;
        background-position: center center;
    }
    .list_pages .gopage .btn{
        font-size: 0.8rem;
    }
    .list-pro1{
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .li-pro1{
        margin-right: unset;
    }
    /*main right end*/
    /*recommend area start*/
    .recommend-box{
        width: 80vw;
    }
    .pro-commbox ul {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .txt-pro2 .moretxt1 {
        padding-bottom: 3%;
    }
    .pro-commbox ul li{
        margin-right: unset;
    }
    .morer1{
        margin-top: 0.6rem;
    }
    /*recommend area end*/
    /*foot start*/
    .foot{
        height: unset;
    }
    .foot-one {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .nav-foot ul{
        height: unset;
        float: unset;
        background: unset;
        padding-right: unset;
        margin-left: unset;
        margin-bottom: 14px;
    }
    .wxbox {
        float: unset; 
        margin-left: unset; 
        padding-top: 14px;
        padding-bottom: 14px;
    }
    .foot-two{
        padding-top: 20px;
        padding-bottom: 20px;
    }
    .copyright{
        width: 80%;
        margin: 0 auto;
    }
    .nav-foot ul:nth-of-type(2){
        display: none;
    }
    .nav-foot ul:nth-of-type(3){
        display: none;
    }
    .share-box{
        display: none;
    }
    .nav-foot ul li{
        height: unset;
    }
    /*foot end*/

    /*about1.html start*/
    .about-imgbox1 {
        height: unset; 
        position: unset; 
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .about-imgbox1 .img1 {
        width: 100%;
        height: 40%;
    }
    .about-imgbox1 .img2 {
        width: 70%;
        height: 30%;
    }
    .about-imgbox1 img {
         position: unset; 
    }
    .box-banner2{
        height: unset;
    }
    /*about1.html end*/

    /*contact.html start*/
    .main-txtbox {
        margin-top: 5%;
    }
    .contact-box {
        width: 90%;
        height: unset;
        padding: 5%;
    }
    .contact-adr {
        margin: unset;
        padding: 2%;
        width: 100%;
        border-right: unset;
    }
    .adr-one {
        margin: 4% auto;
        margin-bottom: 8%;
    }
    .adr-two li {
        margin-bottom: 5%;
    }
    .txt-adr {
        font-size: 1rem;
    }
    /*.txt-qq{
        padding-left: 11%;
    }*/
    .contact-box .wxbox{
        display: flex;
        flex-direction: column;
        align-items: center;
        width: 100%;
        margin: unset !important;
    }
    .map-box{
        margin: unset;
    }
    .map-box img{
        width: 100%;
        height: 100%;
    }

    /*contact.html end*/

    /*news.html start*/
    .list-news li{
        padding: 8% 0;
    }
    .list-news .imgbox1{
        float: unset;
        margin-right:unset;
    }
    .list-news .imgbox1 img{
        margin: 0 auto;
    }
    .list-news .txtbox1 {
         float: unset; 
         width: unset; 
    }
    .tit-news1 {
        font-size: 1rem;
        margin: 5% 0;
        text-align: start;
    }
    .date-news1 {
        margin-bottom: 4%;
        text-align: end;
    }
    .txt-news1 {
        height: unset;
    }
    .list-news a{
        display: block;
    }
    /*news.html end*/

    /*new-detail.html start*/
    .newsdel-box .titbox1 {
        padding-bottom: 8%;
        margin-bottom: 8%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .newsdel-box .titbox1 h2 {
        font-size: 1.1rem;
        font-weight: bold;
    }

    .time-news1 {
        margin-left: unset; 
        font-size: 0.8rem;
        margin-bottom: 4%;
    }
    .newsdel-box p img{
        margin-top: 8%;
    } 
    .linksbox>ul>li i{
        display: block;
        margin-top: 2%;
    }
    img.pro-img {
        width: 100% !important;
        height: 180px !important;
        margin-top: 0 !important;
    }
    /*new-detail.html end*/

    /*download.html start*/
    .table-dl .f-trbj span {
        line-height: 26px;
        font-size: 0.7rem;
    }
    .table-dl td{
        font-size: 0.8rem;
    }
    .download_pages{
        margin: 8% auto;
    }
    .download_pages .link_page1,.download_pages  .link_page{
        line-height: 24px;
    }
    .download_pages .list_pages .gopage input {
        margin-top: 2px;
        height: 20px;
        width: 20px;
    }
    .download_pages .list_pages .gopage .btn {
        width: 20px;
        height: 20px;
    }
    .f-trbj th{
        border-right: 2px solid #fff;
    }
    /*download.html end*/

    /*product03.html start*/
    .prodel-box {
        display: flex;
        flex-direction: column;
        margin-top: unset;
    }
    .sresult_one, .sresult_two {
        margin-bottom: 1rem;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .m_table2 {
        width: 60vw;
        border-collapse: collapse;
    }
    .m_table2 td{
        width: auto !important;
        white-space: pre-wrap;
    }
    .m_table2 th,
    .m_table2 td {
        padding: 0.5rem;
    }

    .m_table2 tr{
        border: 1px solid #eeeee;
    }

    .m_tablea th{
        width:auto;
        color: #0f0d7a;
    }

    .m_table2 img {
        max-width: 100%;
        width: 60vw !important;
        height: auto !important;
        object-fit: scale-down;
    }

    /* 移动端样式 */

    .m_table2 {
        display: block;
        white-space: nowrap;
    }

    /* 针对表格内部的调整 */
    .m_table2 tr {
        width: 60vw;
        display: flex;
        flex-direction: column;
        margin-bottom: 2%;
    }
    .m_table2 td,
    .m_table2 th {
        height: auto;
        font-size: 12px;
        text-align: center;
        display: block;
    }

    .m_table2 td:first-child,
    .m_table2 th:first-child {
        font-weight: bold;
    }

    /* 第一个表格特有的样式 */
    .m_tablea tr:first-child td {
        width: 55vw;
    }


    .m_tablea tr:nth-child(2) td {
        display: block;
        width: 100%;
    }

    .m_tablea tr:nth-child(2) td img {
        display: block;
        margin: 0 auto;
    }

    .m_tablea td:not(:first-child) {
         text-indent:unset; 
    }
    .m_table3 tr{
        margin:unset;
    }
    .m_tablea tr:not(:first-child):not(:nth-child(2)) {
        display: flex;
        flex-direction: column;
    }

    .m_tablea tr:not(:first-child):not(:nth-child(2)) th,
    .m_tablea tr:not(:first-child):not(:nth-child(2)) td {
        display: block;
    }

    .m_tablea tr:not(:first-child):not(:nth-child(2)) th {
        font-weight: bold;
    }


    /* 第二个表格特有的样式 */
    .prodel_tit1{
        width: 60vw;
    }
    .prodel_tit1 span{
        line-height: 20px;
        display: block;
        padding: 2%;
    }
    .font-cl2 {
        display: block;
        text-align: center;
    }
    /*product03.html end*/

    /*product02.html start*/
    .list-pro1 div{
        height: auto !important;
    }
    /*product02.html end*/

    @media (hover: none) {
        .linknav:hover {
            /*display: none;*/
            background: unset;
        }
        .ic-subnavlh:hover:after{
            display: none;
            position: unset;
        }
        .ic-subnavlh:hover{
            position: unset;
        }

    }
}