body,ul,li,div,a {
    font-family: '思源黑体';
}
html,
body
 {
    width: 100%;
    height: 100%;
}
html {
    font-size: 100px;
}

body {
    font-size: 0;
}
.wrapper{
    width: 100%;
}
a {
    cursor: pointer;
    outline: none;
}
.container img{
    max-width: 100%;
}
.lang_cn{
    display: block;
}
.lang_jp{
    display: none;
}
img[src=""], 
img:not([src]) {
    display: none;
}
img[src=""]:after,
img:not([src]):after {
    content: "";
    display: none;
}
* {
    -webkit-tap-highlight-color: transparent;
    tap-highlight-color: transparent;
    /* 禁止长按选中文本（可选，避免点击时误选） */
    /*-webkit-user-select: none;
    user-select: none;*/
}
strong{
    font-weight: bold;
}
.content span{
    font-weight: inherit;
}
/*导航*/
.nav_wrap span,.bread span{
    font-weight: inherit;
    display: inline-block;
}
.lang_box div{
    width: 25px;
    height: 25px;
    border: solid 2px #adadad;
    display: inline-block;
    font-size: 12px;
    text-align: center;
    line-height: 25px;
    color: #646464;
    cursor: pointer;
}
.lang_box .curlang,.lang_wrap .curlang{
    background-color: #adadad;
    color: #fff;
}
.nav_box a{
    font-size: 14px;
    line-height: 32px;
    display: block;
    color: #000;
    font-weight: bold;
    padding: 0 16px;
}
.nav_box a span{
    display: inline-block;
}
.nav_box li:last-child a{
    padding-right: 0;
}
.nav_box .cur_nav a,.nav_box a:hover,
.main .nav_box li:first-child a,
.about .nav_box li:nth-child(2) a,
.luboil .nav_box li:nth-child(3) a,
.refoil .nav_box li:nth-child(3) a,
.material .nav_box li:nth-child(3) a,
.investment .nav_box li:nth-child(4) a,
.sustainability .nav_box li:nth-child(5) a,
.contact .nav_box li:nth-child(6) a{
    color: #0050a0;
}
.nav_drop{
    width: 100%;
    height: 400px;
    background-color: #f0f0f0;
    position: absolute;
    top: 115px;
    left: 0;
    display: none;
}
.nav_drop_content{
    margin: 50px auto 0;
    display: flex;
    justify-content: center;
}
.nav_drop_title{
    width: 50%;
    text-align: right;
    margin-right: 46px;
}
.nav_drop_title h2{
    font-size: 60px;
    color: #000;
    font-weight: bold;
}
.nav_drop_title h3{
    font-size: 26px;
    color: #0050a0;
    font-weight: bold;
}
.nav_drop_content ul{
    width: 50%;
    border-left: solid 1px #0050a0;
    padding-left: 32px;
}
.nav_drop_content ul li{
    margin: 4px 0 40px;
}
.nav_drop_content ul li:last-child{
    margin-bottom: 12px;
}
.nav_drop_content ul li a{
    font-size: 16px;
    color: #646464;
    font-weight: bold;
}
/*公共*/
.banner{
    width: 100%;
    /*padding-bottom: 41.9%;*/
    background: url("../images/banner.jpg") no-repeat;
    background-size: cover;
    background-position: center;
    height: 400px;
    overflow: hidden;
}
.banner_text{
    text-align: left;
}
.banner_text hr{
    color: #fff;
    border: none;
    border-bottom: solid 1px #fff;
}
.banner_text h2{
    color: #fff;
    font-weight: bold;
    white-space: nowrap;
}
.banner_text h3,.banner_text h3 span{
    color: #0050a0;
    font-weight: bold;
}
.about .banner{
    background-image: url("../images/about_banner.jpg");
}
.top .banner{
    background-image: url("../images/top_banner.jpg");
}
.investment .banner{
    background-image: url("../images/investment_banner.jpg");
}
.sustainability .banner{
    background-image: url("../images/sustainability_banner.jpg");
}
.contact .banner{
    background-image: url("../images/contact_banner.jpg");
}
.luboil .banner,.luboil_banner{
    background-image: url("../images/luboil_banner.jpg");
}
.refoil .banner,.refoil_banner{
    background-image: url("../images/refoil_banner.jpg");
}
.material .banner{
    background-image: url("../images/material_banner.jpg");
}
.material .banner2{
    background-image: url("../images/resin_banner.jpg");
}
.material .banner3{
    background-image: url("../images/battery_banner.jpg");
}
.news .banner,.news_content .banner{
    background-image: url("../images/news_banner.jpg");
}
.bread,.bread a,.bread span{
    color: #646464;
    font-weight: bold;
}
.link_wrap{
    display: flex;
    justify-content: space-between;
    clear: both;
}
.link_item{
    display: block;
    color: #fff;
    font-weight: bold;
    text-align: center;
    box-sizing: border-box;
}
/*页脚*/
.footer_main{
    display: flex;
    color: #000;
    justify-content: space-between;
}
.footer_main div{
    text-align: center;
    border-right: solid 1px #000;
    font-weight: bold;
}
.footer_main div:first-child{
    padding-left: 0;
}
.footer_main div:last-child{
    padding-right: 0;
    border-right: none;
}
.footer_copyright,.footer_copyright a{
    color: #000;
    font-weight: bold;
    text-align: center;
    background-color: #f0f0f0;
}

/*首页*/
.main .banner_text{
    text-align: center;
}
.main_msg_item img{
    float: left;
    margin-right: 22px;
    position: relative;
    z-index: 2;
}
.main_en{
    color: #50b4dc;
    font-size: 24px;
    font-weight: bold;
}
.main_title{
    font-size: 36px;
    color: #000;
    font-weight: bold;
    margin: 4px 0;
}
.main_title span{
    font-weight: bold;
}
.main_msg_text{
    position: relative;
    background-color: #f0f0f0;
    margin-left: 14px;
    padding: 32px 0 36px;
    box-sizing: border-box;
}
.main_msg_text p{
    color: #646464;
}
.main_msg_btn{
    width: 145px;
    position: absolute;
    right: 22px;
    bottom: 14px;
}
.main_more_btn{
    box-sizing: border-box;
    cursor: pointer;
    background: url("../images/more_btn.png") no-repeat;
    background-size: auto 100%;
    background-position: center left;
    color: #000;
}
.main_msg_text .main_more_btn{
    position: absolute;
    right: 22px;
    bottom: 14px;
}
.main_more_btn span{
    font-weight: inherit;
}
.main_video_wrap{
    position: relative;
    width: 100%;
}
.main_video_wrap video{
    width: 100%;
    height: 100%;
}
.video_cover{
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, .5);
    position: absolute;
    top: 0;
    left: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}
.main_news_box .main_more_btn,
.main_business_box .main_more_btn{
    float: right;
}
.main_news_box ul li:nth-child(2n+1){
    background-color: #f0f0f0;
}
.main_news_box ul li a{
    display: flex;
    color: #000;
    align-items: center;
}
.main_news_box ul li span{
    text-align: center;
    font-weight: bold;
}
.main_news_box ul li div{
    color: #0050a0;
    text-align: center;
    border: solid 1px #0050a0;
    font-weight: bold;
}
.main_news_box ul li p{
    font-weight: bold;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.main_business_wrap{
    display: flex;
    background-color: #f0f0f0;
}
.main_business_wrap a{
    background-color: #fff;
    display: block;
}
.main_business_wrap p{
    color: #646464;
    text-align: center;
}
.main_box{
    width: 100%;
    background: url("../images/main_box_bg.jpg") no-repeat;
    background-size: cover;
    overflow: hidden;
}
.main_box_content{
    margin: 0 auto;
}
.main_box_item{
    clear: both;
}
.main_box_pic{
    position: relative;
    float: right;
    border-radius: 4px;
}
.main_box_pic::after {
    content: "";
    background-color: #fff;
    position: absolute;
}
.main_box_pic img{
    width: 100%;
    object-fit: cover;
    position: relative;
    z-index: 5;
}
.main_box_p{
    color: #646464;
}
/*公司简介*/
.about .main_msg_item,.top .main_msg_item{
    width: 100%;
    clear: both;
}
.msg_sign{
    font-weight: bold;
    text-align: right;
}

/*投资公司*/
.invest_nav_wrap{
    width: 100%;
    display: flex;
    align-items: end;
}
.invest_nav_wrap div{
    width: 50%;
    color: #646464;
    background-color: #f0f0f0;
    font-weight: bold;
    text-align: center;
    cursor: pointer;
}
.invest_nav_wrap .invest_nav_cur{
    background-color: #50b4dc;
    color: #fff;
}
.investment .main_msg_item{
    width: 100%;
}
.main_msg_text span{
    /*font-weight: bold;*/
    color: #000;
}
.invest_tianjin_wrap{
    display: none;
}
/*环境理念*/
.sustainability .main_msg_item{
    width: 100%;
}
.sustain_action_wrap img{
    float: right;
    margin: 0;
}
.sustain_detail_wrap{
    width: 100%;
    background-size: cover;
    display: flex;
    flex-wrap: wrap;
    box-sizing: border-box;
}
.sustain_detail_item{
    background-color: rgba(255, 255, 255, .9);
    text-align: center;
}
.sustain_detail_pic{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;

}
.sustain_detail_item h5{
    color: #000;
    font-weight: bold;
}
.sustain_detail_item p{
    color: #646464;
}
/*联系我们*/
.contact_map{
    position: relative;
    width: 100%;
}
.contact_map_label{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}
.contact_wrap{
    background-color: #f0f0f0;
}
.contact_list{
    display: flex;
    flex-wrap: wrap;
}
.contact_list li{
    background-color: #fff;
    box-sizing: border-box;
    display: flex;
}
.contact_list li:nth-child(2n){
    margin-right: 0;
}
/*.contact_list_pic{
    float: left;
}*/
.contact_list_pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.contact_list .contact_title{
    color: #000;
    font-weight: bold;
}
.contact_list p{
    color: #646464;
}
.contact_list p::before {
    content: "";
    background-size: 100% auto;
    background-position: center;
    background-repeat: no-repeat;
    float: left;
}
.contact_address::before {
    background-image: url("../images/address_icon.png");
}
.contact_tel::before {
    background-image: url("../images/phone_icon.png");
}
.contact_code::before {
    background-image: url("../images/mail_icon.png");
}
.contact_list .contact_tel,.contact_list .contact_code{
    display: inline-block;
}
.contact_list .contact_code{
    margin-left: 0;
}
/*业务内容*/
.oil_msg_item{
    width: 100%!important;
}
.oil_msg_item .main_msg_text{
    background-size: 100% 100%;
}
.prolink_wrap{
    display: flex;
    flex-wrap: wrap;
}
.prolink_item{
    background: linear-gradient(#85b0d7,#669ace);
    color: #fff;
    font-weight: bold;
    text-align: center;
    display: block;
}
.intro,.content{
    color: #646464;
}
.content img{
    max-width: 100%;
}
/*新闻*/
.news_filter{
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.news_filter_item{
    position: relative;
}
.news_filter select{
    border: solid 2px #adadad;
    color: #c8c8c8;
    appearance: none;
    background-color: transparent;
}
.news_filter_item::after {
    content: "";
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    pointer-events: none; /* 让点击穿透到 select 元素 */
}
.news_list li{
    background-color: #f0f0f0;
    color: #646464;
}
.news_list a{
    display: block;
    width: 100%;
    height: 100%;
    clear: both;
}
.news_pic{
    float: left;
}
.news_pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.news_list li h5{
    color: #000;
    font-weight: bold;
}
.news_list li p,.news_list li span{
    color: #646464;
}
.news_list li .news_tag{
    color: #0050a0;
    font-weight: bold;
}
.pagination{
    text-align: center;
}
.pagination a, .pagination span{
    text-align: center;
    color: #646464;
    border: solid 1px #adadad;
    display: inline-block;
}
.pagination .active{
    border-color: transparent;
    background-color: #0050a0;
    color: #fff;
}
.news_content .title{
    color: #000;
}
/*经营理念*/
    .operation_text{
        color: #646464;
    }
    .operation_cbs{
        position: relative;
        width: 100%;
        background-size: contain;
        background-repeat: no-repeat;
        background-position: left bottom;
    }
    .operation_cbs p{
        position: absolute;
        color: #646464;
        background-color: #fff;
    }
    .operation_cbs p:first-child{
        top: 0;
        left: 0;
    }
    .operation .main_msg_item{
        width: 100%;
        overflow: hidden;
    }
    .operation .main_msg_text p:last-child{
        margin-bottom: 0;
    }
    /*产品*/
    .product_nav>li{
        background-color: #f0f0f0;
    }
    .product_nav>li div{
        width: 100%;
        background: linear-gradient(#84afd7, #669bcf);
        color: #fff;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: bold;
        box-sizing: border-box;
        text-align: center;
        cursor: pointer;
    }
    .product_nav>li ul{
        overflow: hidden;
    }
    .product_nav>li ul li{
        position: relative;
        color: #646464;
        box-sizing: border-box;
        cursor: pointer;
    }
    .product_nav>li ul{
        display: none;
    }
    .product_nav .pro_nav_cur1 ul{
        display: block;
    }
    .product_nav>li ul .pro_nav_cur2{
        color: #000;
        font-weight: bold;
    }
    .product_intro{
        width: 100%;
        position: relative;
        background-color: #f0f0f0;
        box-sizing: border-box;
        color: #646464;
    }
    .product_intro h5{
        font-weight: bold;
        color: #000;
    }
    .pro_up_btn,.pro_down_btn{
        border-bottom: solid 1px #181717;
        display: block;
        color: #181717;
        cursor: pointer;
    }
    .pro_up_btn{
        position: relative;
    }
    .pro_down_btn{
        position: absolute;
        display: none;
    }
    .pro_up_btn:before,.pro_down_btn:before{
        position: absolute;
        content: "";
        width: 0;
        height: 0;
        font-size: 0;
    }
    .prodetail_title{
        box-sizing: border-box;
        font-weight: bold;
        background-image: linear-gradient(to right,#85b0d7,#fff);
        color: #fff;
    }
    .prodetail_pic{
        background-color: #f0f0f0;
        overflow: hidden;
        float: right;
    }
    .prodetail_pic img{
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
    .product_detail{
        color: #646464;
    }
    .product_detail span{
        font-weight: bold;
        display: block;
    }
    .prodetail_item1{
        display: flex;
    }
    .prodetail_item1 p{
        display: block;
    }
    .product_detail table{
        width: 100%;
    }
    .product_detail table tr{
        border: solid 2px #adadad;
        color: #646464;
    }
    .product_detail table thead{
        background-color: #f0f0f0;
    }
    .product_detail table th{
        text-align: left;
    }
    .product_detail table th:first-child,.product_detail table td:first-child{
        box-sizing: border-box;
    }
/*------------------------------------------pc版---------------------------------------------------*/
@media only screen and (min-width: 64em) {
    .pc_hide{
        display: none!important;
    }
    /*导航*/
    .nav_wrap{
        max-width: 1200px;
        padding: 20px 0 18px;
        margin: 0 auto;
    }
    .lang_box{
        float: right;
    }
    .nav_container{
        clear: both;
        padding-top: 22px;
    }
    .nav_box{
        float: right;
    }
    .nav_box li{
        display: inline-block;
        height: 32px;
        padding-bottom: 18px;
    }
    .nav_drop_content ul li a:before{
        content: '';
        display: inline-block;
        width: 6px;
        height: 6px;
        border-top: solid 1px #0050a0;
        border-right: solid 1px #0050a0;
        transform: rotate(45deg);
        margin-right: 10px;
        vertical-align: middle;
    }
    /*公共*/
    .container{
        width: 1200px;
        margin: 0 auto;
    }
    .main_banner{
        height: 800px;
        max-height: calc(100vh - 120px);
    }
    .banner_text{
        max-width: 1200px;
        margin: 120px auto 0;
    }
    .banner_text hr{
        width: 108px;
        margin: 28px 0 22px;
    }
    .banner_text h2{
        font-size: 72px;
    }
    .banner_text h3{
        font-size: 48px;
    }
    .main .main_msg_text{
        min-height: 200px;
    }
    .bread{
        margin-top: 20px;
    }
    .bread,.bread a,.bread span{
        font-size: 20px;
    }
    .link_item{
        width: 370px;
        height: 150px;
        margin: 100px 0 68px;
        font-size: 30px;
        line-height: 150px;
        padding-left: 114px;
    }
    .about_link{
        background-image: url("../images/about_btn_bg.png");
    }
    .top_link{
        background-image: url("../images/top_btn_bg.png");
    }
    .business_link{
        background-image: url("../images/business_btn_bg.png");
    }
    .news_link{
        background-image: url("../images/news_btn_bg.png");
    }
    /*页脚*/
    .footer_main{
        max-width: 1200px;
        margin: 0 auto;
        padding: 34px 0 25px;
    }
    .footer_main div{
        font-size: 16px;
        line-height: 16px;
        padding: 0 58px;
    }
    .footer_copyright{
        padding: 8px 0;
    }
    .footer_copyright,.footer_copyright a{
        line-height: 22px;
        font-size: 16px;
    }

    /*首页*/
    .main .banner_text{
        margin-top: 0;
        padding-top: 145px;
    }
    .main .banner_text h2{
        font-size: 100px;
        line-height: 86px;
    }
    .main .banner_text hr{
        margin: 32px auto 30px;
    }
    .main .banner_text h3{
        font-size: 60px;
    }
    .main_msg_box{
        display: flex;
        justify-content: space-between;
    }
    .main_msg_item{
        width: 585px;
        margin-top: 100px;
    }
    .main_msg_text p{
        font-size: 14px;
        line-height: 30px;
        margin-right: 28px;
    }
    .main_more_btn{
        width: 145px;
        height: 50px;
        line-height: 50px;
        font-size: 16px;
        padding-left: 30px;
    }
    .main_more_btn .lang_jp{
        margin-left: -14px;
    }
    .main_more_btn:hover{
        background: url("../images/msg_btn.png") no-repeat;
        background-size: 100% 100%;
    }
    .main_more_btn:hover span{
        color: #fff;
    }
    .main_video_box,.main_news_box,.main_business_box{
        margin-top: 100px;
    }
    .main_video_wrap{
        height: 676px;
        margin-top: 20px;
    }
    .main_news_box .main_more_btn,
    .main_business_box .main_more_btn{
        margin: 10px 0 0 0;
    }
    .main_news_box ul{
        margin-top: 20px;
    }
    .main_news_box ul li a{
        line-height: 60px;
        font-size: 18px;
    }
    .main_news_box ul li span{
        width: 160px;
    }
    .main_news_box ul li div{
        padding: 0 14px;
        line-height: 30px;
        height: 30px;
        margin-right: 25px;
    }
    .main_business_wrap{
        margin-top: 24px;
        padding: 48px 0;
        justify-content: center;
        align-items: center;
    }
    .main_business_wrap a{
        width: 210px;
        margin: 0 9px;
        padding-bottom: 20px;
    }
    .main_business_wrap p{
        font-size: 16px;
    }
    .main_box{
        height: 1000px;
        background-position: center 52px;
        margin-top: 100px;
    }
    .main_box_content{
        max-width: 1200px;
    }
    .main_box_item{
        min-height: 280px;
        margin-bottom: 24px;
    }
    .main_box_pic{
        width: 390px;
        height: 260px;
        border: solid 3px #fff;
    }
    .main_box_pic::after {
        width: 390px;
        height: 260px;
        top: 15px;
        left: 15px;
    }
    .main_box_text{
        display: flex;
        border-bottom: solid 2px #fff;
        padding-top: 90px;
        padding-bottom: 30px;
        margin-bottom: 28px;
    }
    .main_box_title{
        width: 266px;
    }
    .main_box_p{
        width: 412px;
        font-size: 14px;
        line-height: 24px;
        margin-top: 5px;
    }
    .main_box .main_more_btn{
        margin-right: 20px;
        float: right;
    }
    /*公司简介*/
    .about .main_msg_item,.top .main_msg_item{
        min-height: 425px;
        margin-top: 44px;
    }
    .about .main_msg_text,.top .main_msg_text{
        min-height: 352px;
        margin-top: 10px;
    }
    .about .main_msg_text p,.top .main_msg_text p{
        line-height: 24px;
        margin-bottom: 20px;
    }
    .top .main_msg_text{
        min-height: 400px;
        padding-left: 10px;
    }
    /*新闻*/
    .news_filter{
        margin: 40px 0 30px;
    }
    .news_filter select{
        width: 590px;
        height: 50px;
        border-radius: 10px;
        line-height: 50px;
        padding: 0 12px;
        font-size: 20px;
    }
    .news_filter_item::after {
        right: 15px;
        border-left: 5px solid transparent;
        border-right: 5px solid transparent;
        border-top: 6px solid #000; /* 箭头颜色 */
    }
    .news_list li{
        padding: 25px;
        min-height: 250px;
        margin-bottom: 16px;
        font-size: 16px;
        line-height: 26px;
    }
    .news_pic{
        width: 380px;
        height: 250px;
        margin-right: 25px;
    }
    .news_list li h5{
        font-size: 18px;
        line-height: 30px;
    }
    .news_list li a>p{
        margin: 5px 0 22px;
    }
    .news_tag{
        margin-left: 34px;
    }
    .pagination a, .pagination span{
        width: 26px;
        height: 26px;
        line-height: 26px;
        font-size: 18px;
        margin: 0 5px;
    }
    .news_content .title{
        font-size: 24px;
        font-weight: bold;
        text-align: center;
        line-height: 48px;
        margin: 30px auto;
    }
    .news_content .date{
        margin: 20px 0;
    }
    .news_content .date,.news_content .content{
        font-size: 20px;
    }
    /*业务内容*/
    .oil_msg_item .main_msg_text{
        background-image: url("../images/oil_text_bg.png");
        padding: 5px 0 40px 44px;
    }
    .oil_msg_item{
        margin-bottom: 54px;
    }
    .oil_msg_item .main_title{
        font-size: 24px;
        line-height: 48px;
    }
    .refoil .oil_msg_item .main_msg_text{
        padding-bottom: 85px;
    }
    .oil_msg_item .main_msg_text p{
        font-size: 20px;
        line-height: 50px;
        margin-right: 14px;
    }
    .oil_title_wrap{
        margin-left: 20px;
    }
    .prolink_wrap{
        margin: 26px 0 58px;
    }
    .prolink_item{
        width: 280px;
        height: 80px;
        border-radius: 20px;
        font-size: 26px;
        line-height: 80px;
        margin: 0 26px 26px 0;
    }
    .luboil .prolink_item:nth-child(4n){
        margin-right: 0;
    }
    .refoil .prolink_item{
        width: 380px;
    }
    .refoil .prolink_item:nth-child(3n){
        margin-right: 0;
    }
    .intro,.content{
        font-size: 24px;
        line-height: 48px;
        margin: 72px 0;
    }
    .content{
        margin-bottom: 80px;
    }
    /*投资公司*/
    .invest_nav_wrap{
        margin-top: 50px;
    }
    .invest_nav_wrap div{
        font-size: 20px;
        line-height: 55px;
    }
    .invest_nav_wrap .invest_nav_cur{
        padding-top: 15px;
    }
    .investment .main_msg_item{
        margin: 50px 0;
        min-height: 702px;
    }
    .invest_hunan_wrap{
        height: 420px;
    }
    .investment .main_en{
        font-size: 18px;
    }
    .investment .main_title{
        margin-bottom: 12px;
    }
    .investment .main_msg_text p{
        font-size: 20px;
        line-height: 48px;
        margin: 0 28px;
    }
    .invest_tianjin_wrap img:first-child{
        margin-bottom: 8px;
    }
    .invest_tianjin_wrap .main_msg_text p:first-child{
        margin-bottom: 18px;
    }
    .invest_address{
        margin-top: 20px;
    }
    /*环境理念*/
    .sustainability .main_msg_item{
        margin-top: 42px;
        height: 424px;
    }
    .sustainability .main_title{
        margin-bottom: 8px;   
    }
    .sustainability .main_msg_text p{
        font-size: 20px;
        line-height: 48px;
    }
    .sustainability .main_msg_text{
        height: 350px;
    }
    .sustain_action_wrap .main_msg_text{
        margin: 0 20px 0 0;
        padding-left: 26px;
    }
    .sustain_action_wrap .main_msg_text p{
        width: 550px;
    }
    .sustain_action_wrap img{
        margin: 0;
    }
    .sustain_action_wrap .main_en,
    .sustain_action_wrap .main_title{
        margin-left: 24px;
    }
    .sustain_detail_wrap{
        height: 570px;
        background: url("../images/sustainability_detail_bg.jpg") no-repeat;
        margin: 66px 0 40px;
        padding: 28px;
    }
    .sustain_detail_item{
        width: 302px;
        height: 246px;
        margin: 0 22px 22px 0;
    }
    .sustain_detail_item:nth-child(2){
        width: 625px;
    }
    .sustain_detail_pic{
        width: 100%;
        height: 118px;
    }
    .sustain_detail_item h5{
        font-size: 20px;
        line-height: 32px;
    }
    .sustain_detail_item p{
        font-size: 18px;
        margin: 0 22px;
        line-height: 22px;
    }
    .sustain_detail_item:nth-child(4) p.lang_jp{
        margin: 0 6px;
    }
    /*联系我们*/
    .contact_map{
        margin: 52px 0;
    }
    .contact_map .contact_map_pic{
        max-width: 1296px;
        width: 100%;
    }
    .contact_map_label{
        max-width: 1200px;
    }
    .contact_wrap{
        padding: 55px 0 84px;
    }
    .contact_list li{
        width: 590px;
        min-height: 150px;
        padding: 13px;
        margin: 0 20px 14px 0;
    }
    .contact_list li:nth-child(2n){
        margin-right: 0;
    }
    .contact_list_pic{
        width: 162px;
        height: 126px;
    }
    .contact_list li .contact_list_text{
        margin-left: 14px;
        width: 378px;
    }
    .contact_list .contact_title{
        font-size: 22px;
        margin-bottom: 14px;
    }
    .contact_list p{
        font-size: 20px;
        line-height: 24px;
    }
    .contact_address{
        margin-bottom: 14px;
        padding-left: 28px;
    }
    .contact_list p::before {
        width: 20px;
        height: 24px;
    }
    .contact_address::before {
        margin-left: -28px;
    }
    .contact_tel::before {
        margin-right: 8px;
    }
    .contact_code::before {
        margin-right: 8px;
    }
    .contact_list .contact_tel{
        width: 184px;
    }
    /*经营理念*/
    .operation_title{
        margin-top: 40px;
    }
    .operation_text{
        font-size: 24px;
        line-height: 36px;
        margin: 20px 0 10px;
    }
    .operation_cbs{
        height: 170px;
        background-image: url("../images/operation_text.png");
    }
    .operation_cbs p{
        font-size: 24px;
        top: 115px;
    }
    .operation_cbs p:first-child{
        padding-right: 10px;
    }
    .operation_cbs p:nth-child(2){
        left: 106px;
    }
    .operation_cbs p:nth-child(3){
        left: 475px;
    }
    .operation_cbs p:nth-child(4){
        left: 946px;
    }
    .operation .main_msg_item{
        margin-top: 46px;
    }
    .operation .main_msg_text{
        min-height: 224px;
        margin-top: 50px;
    }
    .operation .main_msg_item .main_title{
        margin-bottom: 26px;
    }
    .operation .main_msg_text p{
        font-size: 24px;
        line-height: 36px;
        margin: 0 20px 36px 0;
    }
      /*产品*/
    .product_wrap{
        display: flex;
        margin-top: 60px;
    }
    .product_nav{
        width: 280px;
        margin-right: 12px;
    }
    .product_nav>li{
        margin-bottom: 12px;
        border-radius: 16px;
    }
    .product_nav>li div{
        min-height: 80px;
        border-radius: 16px;
        font-size: 26px;
        line-height: 30px;
        padding: 10px;
    }
    .product_nav>li ul{
        margin: 0 22px;
        padding-bottom: 8px;
    }
    .product_nav>li ul li{
        font-size: 20px;
        margin: 28px 0;
        padding-right: 46px;
    }
    .product_nav>li ul .pro_nav_cur2{
        font-size: 24px;
    }
    .pro_nav_cur2::after {
        position: absolute;
        top: 50%;
        right: 0;
        content: "";
        width: 0;
        height: 0;
        font-size: 0;
        border-top: 6px solid transparent;
        border-left: 6px solid #000;
        border-bottom: 6px solid transparent;
        margin-top: -3px;
    }
    .product_content{
        width: 910px;
    }
    .product_intro{
        width: 100%;
        border-radius: 16px;
        padding: 34px 28px;
        font-size: 20px;
        line-height: 30px;
        margin-bottom: 14px;
    }
    .product_intro h5{
        font-size: 24px;
        line-height: 48px;
        margin-bottom: 10px;
    }
    .pro_up_btn,.pro_down_btn{
        padding-bottom: 5px;
        width: 80px;
    }
    .pro_up_btn{
        margin: 25px auto 0;
    }
    .pro_down_btn{
        top: 36px;
        right: 26px;
    }
    .pro_up_btn:before,.pro_down_btn:before{
        top: 12px;
        left: -20px;
        border-left: 6px solid transparent;
        border-right: 6px solid transparent;
    }
    .pro_up_btn:before{
        border-bottom: 6px solid #000;
    }
    .pro_down_btn:before{
        border-top: 6px solid #000;
    }
    .prodetail_title{
        width: 680px;
        height: 54px;
        font-size: 24px;
        line-height: 54px;
        padding-left: 30px;
        border-radius: 16px 0 0 0;
        margin: 0 0 16px;
    }
    .prodetail_pic{
        width: 216px;
        height: 225px;
        border-radius: 16px;
    }
    .product_detail{
        font-size: 20px;
        line-height: 30px;
    }
    .prodetail_item1{
        margin-bottom: 34px;
    }
    .prodetail_item1 span{
        width: 132px;
    }
    .prodetail_item1 p{
        width: 504px;
    }
    .prodetail_item2{
        margin-bottom: 27px;
    }
    .prodetail_item2 span{
        margin-bottom: 16px;
    }
    .product_detail table tr{
        border: solid 2px #adadad;
    }
    .product_detail table th,.product_detail table td{
        height: 28px;
        line-height: 28px;
    }
    .product_detail table th,.product_detail table td{
        padding-left: 22px;
    }
}

@media only screen and (max-width: 1450px) {
    .refoil .banner_text h2{
        font-size: 64px;
    }
}

/*------------------------------------------手机版---------------------------------------------------*/
@media only screen and (max-width: 63.9375em) {
    html{
        font-size: 50px;
        overflow: hidden;
    }
    body{
        overflow-x: hidden;
    }
    .wrapper{
        min-height: calc(100vh - 1.4rem);
    }
    .mb_hide{
        display: none!important;
    }
    /*导航*/
    .header{
        height: 1.1rem;
        position: relative;
    }
    .logo{
        padding: 0.36rem 0 0 0.3rem;
        display: block;
        width: 3.46rem;
    }
    .logo img{
        width: 100%;
    }
    .nav_btn{
        position: absolute;
        top: 0.32rem;
        right: 0.3rem;
        width: 0.5rem;
        z-index: 100;
    }
    .nav_container{
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(0, 0, 0, .6);
        z-index: 90;
        display: none;
    }
    .nav_content{
        background-color: #f0f0f0;
        margin-left: 1.5rem;
        height: 100%;
        overflow: hidden;
    }
    .lang_wrap{
        height: 1.1rem;
        background-color: #fff;
        padding: 0.36rem 0 0 0.32rem;
        box-sizing: border-box;
    }
    .lang_wrap div{
        width: 0.4rem;
        height: 0.4rem;
        border: solid 0.02rem #adadad;
        display: inline-block;
        font-size: 0.18rem;
        text-align: center;
        line-height: 0.4rem;
        color: #646464;
        cursor: pointer;
    }
    .nav_box{
        margin: 0.16rem 0 0 0.32rem;
    }
    .nav_box a{
        font-size: 0.28rem;
        line-height: 0.76rem;
        padding: 0;
    }
    .wrapper .nav_box li ul a{
        color: #646464!important;
        font-weight: normal;
    }
    .wrapper .nav_box li ul a:before{
        content: '';
        display: inline-block;
        width: 6px;
        height: 6px;
        border-top: solid 1px #0050a0;
        border-right: solid 1px #0050a0;
        transform: rotate(45deg);
        margin-right: 10px;
        vertical-align: middle;
    }
    /*公共*/
    .banner{
        height: 2.8rem;
    }
    .about .banner{
        background-image: url("../images/about_banner_mb.jpg");
    }
    .top .banner{
        background-image: url("../images/top_banner_mb.jpg");
    }
    .investment .banner{
        background-image: url("../images/investment_banner_mb.jpg");
    }
    .sustainability .banner{
        background-image: url("../images/sustainability_banner_mb.jpg");
    }
    .contact .banner{
        background-image: url("../images/contact_banner_mb.jpg");
    }
    .luboil .banner,.luboil_banner{
        background-image: url("../images/luboil_banner_mb.jpg");
    }
    .refoil .banner,.refoil_banner{
        background-image: url("../images/refoil_banner_mb.jpg");
    }
    .material .banner{
        background-image: url("../images/material_banner_mb.jpg");
    }
    .material .banner2{
        background-image: url("../images/resin_banner_mb.jpg");
    }
    .material .banner3{
        background-image: url("../images/battery_banner_mb.jpg");
    }
    .news .banner,.news_content .banner{
        background-image: url("../images/news_banner_mb.jpg");
    }
    .banner_text{
        margin: 0.84rem 0.3rem 0;
    }
    .banner_text hr{
        width: 0.64rem;
        margin: 0.16rem 0;
    }
    .banner_text h2{
        font-size: 0.5rem;
    }
    .banner_text h3{
        font-size: 0.34rem;
    }
    .container{
        padding: 0 0.3rem;
    }
    .main_msg_text{
        padding: 0.24rem 0;
        margin-left: 0.1rem;
    }
    .bread{
        margin-top: 0.2rem;
    }
    .bread,.bread a,.bread span{
        font-size: 0.2rem;
    }
    .link_wrap{
        margin: 0.7rem 0 0.42rem;
    }
    .news .link_wrap{
        margin-top: 1.2rem;
    }
    .link_item{
        width: 2.21rem;
        height: 1.50rem;
        font-size: 0.22rem;
        text-align: center;
        padding-top: 1.06rem;
        box-sizing: border-box;
        background-size: 100% 100%;
    }
    .about_link{
        background-image: url("../images/about_btn_bg_mb.png");
    }
    .top_link{
        background-image: url("../images/top_btn_bg_mb.png");
    }
    .business_link{
        background-image: url("../images/business_btn_bg_mb.png");
    }
    .news_link{
        background-image: url("../images/news_btn_bg_mb.png");
    }
    .main_msg_item img{
        width: 3.48rem;
        margin-right: 0.12rem;
    }
    /*页脚*/
    .footer_main{
        margin: 0 auto;
        padding: 0.2rem 0;
        flex-wrap: wrap;
    }
    .footer_main div{
        font-size: 0.18rem;
        line-height: 0.18rem;
        width: 49%;
        margin-bottom: 1px;
        box-sizing: border-box;
    }
    .footer_main div:nth-child(2n+1){
        text-align: right;
        padding-right: 0.2rem;
    }
    .footer_main div:nth-child(2n){
        border-right: none;
        text-align: left;
    }
    .footer_copyright{
        padding: 0.08rem 0;
    }
    .footer_copyright,.footer_copyright a{
        line-height: 0.22rem;
        font-size: 0.16rem;
    }
    /*首页*/
    .main .main_msg_text{
        min-height: 2rem;
        margin-bottom: 0.2rem;
    }
    .main .banner{
        height: 4.7rem;
        background-position: center;
    }
    .main_banner img{
        width: 5.72rem;
    }
    .main .banner_text h2{
        font-size: 0.58rem;
    }
    .main_msg_box{
        margin: 0.76rem 0 0.68rem;
    }
    .main .main_msg_item img{
        width: 2.5rem;
        margin-right: 0.2rem;
    }
    .main_en{
        font-size: 0.24rem;
    }
    .main_title{
        font-size: 0.34rem;
    }
    .main_msg_text p{
        font-size: 0.22rem;
        line-height: 0.3rem;
        margin-right: 0.24rem;
    }
    .main_more_btn{
        width: 1.65rem;
        height: 0.56rem;
        line-height: 0.56rem;
        font-size: 0.2rem;
        padding-left: 0.3rem;
    }
    .main_msg_item .main_more_btn,
    .main_box .main_more_btn{
        background: url("../images/msg_btn.png") no-repeat;
        background-size: 100% 100%;
        color: #fff;
    }
    .main_msg_item .main_more_btn span,
    .main_box .main_more_btn span{
        color: #fff;
    }

    .main_video_box,.main_news_box,.main_business_box{
        margin-top: 0.66rem;
    }
    .main_video_wrap{
        height: 3.88rem;
        margin-top: 0.16rem;
    }
    .video_cover{
    }
    .video_cover img{
        width: 0.74rem;
        display: none;
    }
    .main_news_box ul{
        margin-top: 0.2rem;
        width: 100%;
    }
    .main_news_box ul li a{
        line-height: 0.6rem;
        font-size: 0.22rem;
    }
    .main_news_box ul li span{
        width: 1.5rem;
    }
    .main_news_box ul li div{
        padding: 0 0.1rem;
        line-height: 0.3rem;
        height: 0.3rem;
        margin-right: 0.12rem;
        min-width: 0.65rem;
        font-size: 0.22rem;
    }
    .main_news_box ul li p{
        /*width: 4.6rem;*/
    }
    .main_business_wrap{
        margin-top: 0.24rem;
        padding: 0.3rem 0.235rem 0.13rem;
        flex-wrap: wrap;
        justify-content: left;
    }
    .main_business_wrap a{
        width: 1.97rem;
        margin: 0 0.085rem 0.17rem;
        padding-bottom: 0.18rem;
    }
    .main_business_wrap p{
        font-size: 0.18rem;
        white-space: nowrap;
    }
    .main_box{
        height: 9.68rem;
        background-position: center 0.32rem;
        margin-top: 0.68rem;
        background-image: url(../images/main_box_bg_mb.jpg);
    }
    .main_box_content{
        padding-left: 0.3rem;
    }
    .main_box_item{
        position: relative;
        min-height: 2.84rem;
        margin-bottom: 0.42rem;
    }
    .main_box_pic{
        width: 3rem;
        height: 2rem;
        border: solid 2px #fff;
        margin-right: 0.22rem;
    }
    .main_box_pic::after {
        width: 3rem;
        height: 2rem;
        top: 0.09rem;
        left: 0.09rem;
    }
    .main_box_text{
        padding-top: 0.2rem;
        padding-bottom: 0.12rem;
        margin-bottom: 0.1rem;
    }
    .main_box_title{
        border-bottom: solid 0.02rem #fff;
        margin-top: 0.54rem;
        width: 3.9rem;
        padding-bottom: 0.1rem;
    }
    .main_box_p{
        font-size: 0.2rem;
        line-height: 0.24rem;
        margin-top: 0.1rem;
        width: 3.9rem;
        color: #323232;
    }
    .main_box .main_more_btn{
        position: absolute;
        right: 0.3rem;
        top: 2.3rem
    }
    /*公司简介*/
    .about .main_msg_item,.top .main_msg_item{
        margin-top: 0.4rem;
    }
    .about .main_msg_text,.top .main_msg_text{
        margin-top: 0.2rem;
        padding: 0.07rem 0.1rem 0.2rem 0.26rem;
    }
    .about .main_msg_text p,.top .main_msg_text p{
        line-height: 0.34rem;
        font-size: 0.2rem;
        margin-right: 0;
    }
    .about .main_msg_item .main_en,
    .top .main_msg_item .main_en{
        padding-top: 0.18rem;
    }
    /*总经理致辞*/
    .top .link_wrap{
        margin-top: 0.5rem;
    }
    .msg_sign{
        margin-top: 0.3rem;
    }
    .top .main_msg_pic{
        height: 2.3rem;
        float: left;
        overflow: hidden;
    }
    /*新闻*/
    .news_filter{
        margin: 0.38rem 0 0.24rem;
    }
    .news_filter select{
        width: 3.35rem;
        height: 0.5rem;
        border-radius: 0.1rem;
        line-height: 0.5rem;
        padding: 0 0.12rem;
        font-size: 0.22rem;
    }
    .news_filter_item::after {
        right: 0.15rem;
        border-left: 0.05rem solid transparent;
        border-right: 0.05rem solid transparent;
        border-top: 0.06rem solid #000; /* 箭头颜色 */
    }
    .news_list li{
        padding: 0.12rem;
        min-height: 1.44rem;
        margin-bottom: 0.16rem;
        font-size: 0.16rem;
        line-height: 0.24rem;
    }
    .news_pic{
        width: 2.18rem;
        height: 1.44rem;
        margin-right: 0.18rem;
    }
    .news_list li h5{
        font-size: 0.18rem;
        line-height: 0.24rem;
    }
    .news_list li a>p{
        margin: 0.17rem 0 0.26rem;
    }
    .news_tag{
        margin-left: 0.36rem;
    }
    .pagination a, .pagination span{
        width: 0.32rem;
        height: 0.32rem;
        line-height: 0.32rem;
        font-size: 0.22rem;
        margin: 0 0.06rem;
    }
    .news_content .title{
        font-size: 0.24rem;
        font-weight: bold;
        text-align: center;
        line-height: 0.48rem;
        margin: 0.3rem auto;
    }
    .news_content .date{
        margin: 0.2rem 0;
    }
    .news_content .date,.news_content .content{
        font-size: 0.2rem;
    }
    /*业务内容*/
    .oil_msg_item .main_msg_text{
        background-image: url("../images/oil_text_bg_mb.png");
        padding: 0.13rem 0.1rem 0.4rem 0.26rem;
    }
    .oil_msg_item{
        margin: 0.4rem 0 0.62rem;
        overflow: hidden;
    }
    .oil_msg_item .main_title{
        font-size: 0.22rem;
        line-height: 0.36rem;
        margin: 0.13rem 0;
    }
    .oil_msg_item .main_msg_text p{
        font-size: 0.2rem;
        line-height: 0.34rem;
        margin-right: 0;
    }
    .oil_title_wrap{
        margin-left: 0.1rem;
    }
    .prolink_wrap{
        margin: 0.22rem 0 0.6rem;
    }
    .prolink_item{
        width: 3.38rem;
        height: 0.8rem;
        border-radius: 0.2rem;
        font-size: 0.26rem;
        line-height: 0.8rem;
        margin: 0 0.14rem 0.1rem 0;
    }
    .prolink_item:nth-child(2n){
        margin-right: 0;
    }
    .refoil .oil_msg_item .main_msg_text{
        padding-bottom: 0.7rem;
    }
    .intro,.content{
        font-size: 0.2rem;
        line-height: 0.34rem;
        margin: 0.72rem 0;
    }
    .content{
        margin-bottom: 0.4rem;
    }
    /*投资公司*/
    .invest_nav_wrap{
        margin-top: 0.32rem;
    }
    .invest_nav_wrap div{
        font-size: 0.2rem;
        line-height: 0.55rem;
    }
    .invest_nav_wrap .invest_nav_cur{
        padding-top: 0.15rem;
    }
    .investment .main_msg_item{
        margin-top: 0.55rem;
        min-height: 6.88rem;
    }
    .invest_hunan_wrap{
        height: 5.5rem;
    }
    .investment .main_en{
        font-size: 0.21rem;
    }
    .investment .main_title{
        margin-bottom: 12px;
    }
    .investment .main_msg_text{
        margin-left: 0;
        padding-left: 0.16rem;
    }
    .investment .main_msg_text img{
        float: none;
        margin-bottom: 0.13rem;
    }
    .investment .main_msg_text p{
        font-size: 0.2rem;
        line-height: 0.34rem;
    }
    .invest_tianjin_wrap img{
        display: inline-block;
        width: 3.2rem;
    }
    .invest_tianjin_wrap img:first-child{
        margin-bottom: 8px;
    }
    .invest_tianjin_wrap .main_msg_text p:first-child{
        margin-bottom: 18px;
    }
    .invest_address{
        margin-top: 0.32rem;
    }
    /*环境理念*/
    .sustainability .main_msg_item{
        margin-top: 0.42rem;
        min-height: 3.3rem;
        overflow: hidden;
    }
    .sustainability .main_en{
        margin: 0.18rem 0 0;   
    }
    .sustainability .main_title{
        margin: 0 0 0.08rem;   
    }
    .sustainability .main_msg_text p{
        font-size: 0.2rem;
        line-height: 0.34rem;
    }
    .sustainability .main_msg_text{
        min-height: 2.3rem;
        padding: 0.07rem 0 0.07rem 0.22rem;
        margin-top: 0.18rem;
    }
    .sustain_action_wrap .main_msg_text{
        margin: 0.18rem 0.2rem 0 0;
        padding-left: 0.26rem;
    }
    .sustain_action_wrap .main_msg_text p{
        width: 3rem;
        margin-right: 0.2rem;
    }
    .sustain_action_wrap img{
        margin: 0;
    }
    .sustain_action_wrap .main_en,
    .sustain_action_wrap .main_title{
        margin-left: 0.08rem;
    }
    .sustain_detail_wrap{
        height: 5.17rem;
        background: url("../images/sustainability_detail_bg_mb.png") no-repeat;
        background-size: 100% 100%;
        margin: 0.36rem 0 0.4rem;
        padding: 0.1rem;
        align-content: flex-start;
    }
    .sustain_detail_item{
        width: 2.17rem;
        height: 1.84rem;
        margin: 0 0.08rem 0.08rem 0;
    }
    .sustain_detail_item:nth-child(2){
        width: 4.42rem;
        margin-right: 0;
    }
    .sustain_detail_item:nth-child(5){
        margin-right: 0;
    }
    .sustain_detail_pic{
        width: 100%;
        height: 0.78rem;
    }
    .sustain_detail_item h5{
        font-size: 0.18rem;
        line-height: 0.26rem;
    }
    .sustain_detail_item p{
        font-size: 0.14rem;
        line-height: 0.18rem;
    }
    .sustain_detail_item .lang_jp{
        font-size: 0.12rem;
        padding: 0 0.1rem;
    }
    .sustain_detail_item:nth-child(1) img{
        width: 0.58rem;
    }
    .sustain_detail_item:nth-child(2) img{
        width: 0.54rem;
    }
    .sustain_detail_item:nth-child(3) img{
        width: 0.46rem;
    }
    .sustain_detail_item:nth-child(4) img{
        width: 0.56rem;
    }
    .sustain_detail_item:nth-child(5) img{
        width: 0.5rem;
    }
    /*联系我们*/
    .contact_map{
        margin: 0.3rem 0 0.3rem 0.28rem;
    }
    .contact_map img{
        width: 7.06rem;
    }
    .contact_wrap{
        padding: 0.34rem 0 0.7rem;
    }
    .contact_list li{
        width: 100%;
        min-height: 1.50rem;
        padding: 0.13rem;
        margin-bottom: 14px;
    }
    .contact_list_pic{
        width: 1.6rem;
        height: 1.25rem;
    }
    .contact_list_text{
        margin-left: 0.14rem;
        width: 4.9rem;
    }
    .contact_list .contact_title{
        font-size: 0.22rem;
        margin-bottom: 0.16rem;
    }
    .contact_list p{
        font-size: 0.20rem;
        line-height: 0.36rem;
    }
    .contact_address{
        margin-bottom: 0.08rem;
        padding-left: 0.28rem;
    }
    .contact_list p::before {
        width: 0.20rem;
        height: 0.24rem;
        margin-top: 0.06rem;
    }
    .contact_address::before {
        margin-left: -0.28rem;
    }
    .contact_tel::before {
        margin-right: 0.08rem;
    }
    .contact_code::before {
        margin-right: 0.08rem;
    }
    .contact_list .contact_tel{
        width: 1.84rem;
    }
    /*经营理念*/
    .operation_title{
        margin-top: 0.38rem;
    }
    .operation_text{
        font-size: 0.24rem;
        line-height: 0.3rem;
        margin: 0.16rem 0 0.08rem;
    }
    .operation_cbs{
        height: 1.48rem;
        background-image: url("../images/operation_text_mb.png");
    }
    .operation_cbs p{
        font-size: 0.2rem;
        top: 0.96rem;
    }
    .operation_cbs p:first-child{
        padding-right: 0.16rem;
    }
    .operation_cbs p:nth-child(2){
        left: 0.4rem;
    }
    .operation_cbs p:nth-child(3){
        left: 2.47rem;
    }
    .operation_cbs p:nth-child(4){
        left: 5.23rem;
    }
    .operation .main_msg_item{
        margin-top: 0.32rem;
    }
    .operation .main_msg_item img{
        width: 3.11rem;
    }
    .operation .main_msg_text{
        min-height: 1.76rem;
        margin-top: 0.5rem;
        padding: 0.4rem 0 0.2rem 0.2rem;
        box-sizing: border-box;
    }
    .operation .main_msg_item .main_title{
        margin-bottom: 0.2rem;
    }
    .operation .main_msg_text p{
        font-size: 0.2rem;
        line-height: 0.34rem;
        margin: 0 0.1rem 0 0;
    }
     /*产品*/
    .product_wrap{
        margin-top: 0.36rem;
    }
    .product_nav{
        position: relative;
        width: 100%;
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .product_nav>li{
        width: 3.38rem;
        margin-bottom: 0.16rem;
        border-radius: 0.16rem;
        background-color: transparent;
    }
    .product_nav>li div{
        width: 3.38rem;
        min-height: 0.8rem;
        border-radius: 0.16rem;
        font-size: 0.26rem;
        line-height: 0.4rem;
        padding: 0.1rem;
    }
    .product_nav>li ul{
        /*position: absolute;
        left: 0;*/
        position: relative;
        width: 6.9rem;
        background-color: #f0f0f0;
        margin: 0.2rem 0;
        padding: 0.15rem 0.18rem;
        border-radius: 0.16rem;
        box-sizing: border-box;
        overflow: visible;
    }
    .product_nav>li:nth-child(2n) ul{
        margin-left: -3.45rem;

    }
    .product_nav>li ul li{
        width: 33%;
        font-size: 0.2rem;
        line-height: 0.38rem;
        display: inline-block;
        vertical-align: top;
    }
    .product_nav>li ul .pro_nav_cur2{
        font-size: 0.22rem;
    }
    .product_nav>li ul:before{
        position: absolute;
        content: '';
        display: block;
        width: 0;
        height: 0;
        font-size: 0;
        border-left: 0.2rem solid transparent;
        border-bottom: 0.2rem solid #f0f0f0;
        border-right: 0.2rem solid transparent;
        top: -0.2rem;
        color: #f0f0f0;
    }
    .product_nav>li:nth-child(2n+1) ul:before{
        left: 1.58rem;
    }
    .product_nav>li:nth-child(2n) ul:before{
        right: 1.58rem;
    }
    .product_content{
        width: 100%;
    }
    .product_intro{
        width: 100%;
        border-radius: 0.16rem;
        padding: 0.3rem;
        font-size: 0.2rem;
        line-height: 0.3rem;
        min-height: 1.2rem;
        margin-bottom: 0.14rem;
    }
    .product_intro h5{
        font-size: 0.24rem;
        line-height: 0.48rem;
        margin-bottom: 0.1rem;
    }
    .pro_up_btn,.pro_down_btn{
        padding-bottom: 5px;
        width: 0.8rem;
    }
    .pro_up_btn{
        margin: 0.25rem auto 0;
    }
    .pro_down_btn{
        top: 0.32rem;
        right: 0.22rem;
    }
    .pro_up_btn:before,.pro_down_btn:before{
        top: 0.12rem;
        left: -0.2rem;
        border-left: 0.06rem solid transparent;
        border-right: 0.06rem solid transparent;
    }
    .pro_up_btn:before{
        border-bottom: 0.06rem solid #000;
    }
    .pro_down_btn:before{
        border-top: 0.06rem solid #000;
    }
    .prodetail_title{
        width: 4.58rem;
        height: 0.54rem;
        font-size: 0.24rem;
        line-height: 0.54rem;
        padding-left: 0.3rem;
        border-radius: 0.16rem 0 0 0;
        margin: 0 0 0.16rem;
    }
    .prodetail_pic{
        width: 2.16rem;
        height: 2.25rem;
        border-radius: 0.16rem;
    }
    .product_detail{
        font-size: 0.2rem;
        line-height: 0.3rem;
    }
    .prodetail_item1{
        margin-bottom: 0.34rem;
    }
    .prodetail_item1 span{
        width: 1.04rem;
    }
    .prodetail_item1 p{
        width: 3.44rem;
    }
    .prodetail_item2{
        margin-bottom: 0.27rem;
    }
    .prodetail_item2 span{
        margin-bottom: 0.18rem;
    }
    .product_detail table tr{
        border: solid 0.02rem #adadad;
    }
    .product_detail table th,.product_detail table td{
        height: 0.28rem;
        line-height: 0.28rem;
    }
    .product_detail table th,.product_detail table td{
        padding-left: 0.24rem;
    }
}