.is_allow{
    cursor: pointer;
}
.m_show{
    display: none;
}
.wrap{
    width:1200px;
    margin:0 auto;
}
div{
    box-sizing: border-box;
}
.index_bg_color{
    background-color: #f5f5f5;
}
/*section页面页面公用head*/
.section{
    padding-top: 50px;
    padding-bottom: 50px;
}
/*section*/
/*title*/
.title{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-bottom: 35px;
}
.title span{
    display: inline-block;
    margin:0 15px ;
    font-size: 30px;
}
.title img{
    vertical-align: middle;
}
/*title*/
/*nav*/
.nav{
    height:80px;
    background: #fff;
}
.nav_list{
    height: 80px;
}
.nav_list li a{
    color:#333;
    display: inline-block;
    height: 100%;
    box-sizing: border-box;
    font-size: 18px;
    line-height: 77px;
    padding:0px 10px;
    border-bottom:3px  solid  transparent;
}
.nav_list li:hover a,.nav_list li.active>a{
    color: #CD000A;
}
.nav_list li.active>a{
    border-bottom:3px  solid  #CD000A;

}
.nav_list li{
    position:   relative;
}
.nav_list li .nav_drap{
    position: absolute;
    top: 80px;
    left: -42px;
    z-index: 1;
    display:    none;
}
.nav_list li:hover .nav_drap{
    display: block;
}
.nav_list li .nav_drap a{
    display: block;
    padding: 0px;
    text-align: center;
    height:30px;
    line-height: 30px;
    width: 184px;
    background-color: #b3b3b3;
    color:#fff;
    font-size: 12px;
    margin-bottom:  1px;

}

.nav_list li .nav_drap a.active,.nav_list li .nav_drap a:hover{
    background-color: #D00010;
}
.nav_weixin{
    width:29px;
    height:30px;
    background: url(../images/weixin.png) center center no-repeat;
    cursor: pointer;
    margin-top: 25px;
    margin-left: 10px;
}
.nav_weixin img{
    position: relative;
    z-index: 2;
    z-index: 2;
    top: 55px;
    left: -81px;
    display: none;
}
.nav_weixin:hover img{
    display: inline-block;
}
/*nav*/
/*banner*/
.banner>img{
    width: 100%;
    vertical-align: middle;
}
.banner_index{
    position:   relative;
}
.banner_index_btn {
    position: absolute;
    bottom:-70px;
    left: 50%;
    transform: translate(-50%,0);
    width: 596px;
    height: 313px;
    background:url(../images/index_btn.png);
    color: #fff;
    font-size: 30px;
    text-align: center;
    line-height: 273px;
    padding-right: 51px;
    box-sizing: border-box;
}
.banner_index_btn img{
    vertical-align: middle;
    margin-left:12px;
}
.banner_index_btn1{

    position: absolute;
    bottom:32%;
    left: 13.5%;
    transform: translate(-50%,0);
    width: 272px;
    height: 54px;
    background:url(../images/banner_index_btn1.png);
}
.banner_index_btn2{
    
    position: absolute;
    bottom:12%;
    left: 68%;
    transform: translate(0%,0);
    width: 294px;
    height: 94px;
    background:url(../images/banner_index_btn2.png);
}

@media screen and (max-width: 1800px)
 {    
    .banner_index_btn1{

        position: absolute;
        bottom:32%;
        left: 14.5%;
    }
    .banner_index_btn2{
        
        position: absolute;
        bottom: 10%;
        left: 67%;
    }
}
@media screen and (max-width: 1600px)
 {    
    .banner_index_btn1{

        position: absolute;
        bottom:32%;
        left: 15.5%;
    }
    .banner_index_btn2{
        
        position: absolute;
        bottom:7%;
        left: 65%;
    }
}
@media screen and (max-width: 1300px)
 {    
    .banner_index_btn1{

        position: absolute;
        bottom:32%;
        left: 15.5%;
    }
    .banner_index_btn2{
        
        position: absolute;
        bottom:7%;
        left: 63%;
    }
}
/*
.banner_index_btn:hover{
    border: 1px solid #ffffff;
    background: transparent;
}*/
.banner_about{
    position: relative;
}
.banner_about_btn{
    position:   absolute;
    bottom: 25%;
    right: 26%;
    width: 192px;
    height: 58px;
    background: #0072ff;
    color: #fff;
    font-size: 20px;
    border-radius: 29px;
    display: flex;
    justify-content: center;
    align-items: center;
    box-sizing:border-box;
}/*
.banner_about_btn .pc_show{
    display: block;
}*/
.banner_about_btn.m_show{
    display: none;
}
.banner_about_btn img{
    vertical-align: middle;
    margin-left:12px;
}
.banner_about_btn:hover{
    border: 1px solid #ffffff;
    background-color: transparent;
}
.banner_commom{
    position:   relative;
}
.banner_commom_box{
    position:   absolute;
    left: 19%;
    bottom: 28%;
}
.banner_commom_box li a{
    display: inline-block;
    width: 180px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    border:1px solid #0072ff;
    background: #0072ff;
    color: #fff;
    font-size: 20px;
    margin-right: 20px;
}
.banner_commom_box li a img{
    vertical-align: middle;
}
.banner_commom_box li a:hover{
    border:1px solid #fff;
    background: #0a1026;
}
.banner_nav_drop{
    position: relative;
}
.banner_nav_drop_box{
    position: absolute;
    top: 52px;
    left: 0;
    display: none; 
}
.banner_nav_drop>a:hover{

    border:1px solid #0072ff!important;
    background: #0072ff!important;
}
.banner_nav_drop:hover .banner_nav_drop_box{
    display:block; 
}
.banner_nav_drop .banner_nav_drop_box a{
    font-size: 12px;
    display: flex;
    justify-content: left;
    align-items: center;
    width: 182px;
    height: 40px;
    line-height: 1.3;
    border: 1px solid #ffffff;
    background: #0a1026;
    margin-bottom: 2px;
    text-align: left;
    padding-left: 5px;
    box-sizing: border-box;
}

.section_about1_box{
    height: 360px;
    padding:20px 22px 20px 26px;
    background: url(../images/about_bg.png) center center no-repeat;

}
.about1_box{
    position: relative;
}
.about1_left{
    height: 100%;
    width:600px;
    padding-top: 81px;
}
.about1_left h2{
   font-size: 30px; 
   margin-bottom: 20px;
   font-weight: 500;
}
.about1_left p{
   font-size: 16px;
   line-height: 42px; 
}
.about_img{
    background: #fff;
}
.about_img img{
    width: 100%;
    display: block;
    vertical-align: middle;

}
.about_img img.about3{
    width: 1202px;
    margin:0 auto;
}
/*banner*/
/*section_index1*/
.section_index1{
    padding-bottom:0px;
}
.index1_bg1_box{
    height: 360px;
    background: url(../images/index1_bg1.png) center center no-repeat;
    padding:20px 22px 0 24px; 
    margin-bottom: 50px;
}
.index1_bg1_box .index1_bg1_left{
    width: 620px;
    padding-top: 43px;
}
.index1_bg1_box .index1_bg1_left p{
    font-size: 16px;
    line-height: 42px;
    color: #666;
    margin-bottom:  20px;
}
.index1_bg1_box .index1_bg1_left a{
    width: 150px;
    height: 43px;
    border: 1px solid #333333;
    border-radius: 23px;
    display: inline-block;
    font-size: 16px;
    line-height: 43px;
    text-align: center;
}
.index1_bg1_box .index1_bg1_left a:hover{

    background: #d5000b;
    color: #fff;
    border: 1px solid #d5000b;
}
.index1_bg1_box .index1_bg1_left a img{
    width: 10px;
    height: 16px;
    margin-left: 7px;
    vertical-align: middle;
}
.index1_bg1_box .index1_bg1_left a img.more_link{
    display: none;
}
.index1_bg1_box .index1_bg1_left a:hover img.more_link{
    display: inline-block;
}
.index1_bg1_box .index1_bg1_left a:hover img.more_link1{
    display: none;
}
.index1_bg2_box{
    height: 488px;
    background:url(../images/index1_bg2.png) center center  no-repeat;
}
.index1_bg2_box h2{
    font-size: 30px;
    text-align: center;
    padding-top:    50px;
    margin-bottom:  39px;
    color: #fff;
    font-weight: 500;
}
.index1_bg2_box .index1_bg2_video{
    position:   relative;
    width: 670px;
    height: 320px;
    background:url(../images/index1_bg2_video.png) center center no-repeat;
    margin: 0 auto;
    cursor: pointer;
}
.video_icon{
    position:   absolute;   
    width: 74px;
    height:     74px;
    background: url(../images/play1.png) center center no-repeat; 
    left:   50%;
    top:50%;
    transform: translate(-50%,-50%);
}
.video_icon:hover{
    background: url(../images/play2.png) center center no-repeat; 
}
/*section_index1*/
/*section_index2*/
.section_index2{
    background:url(../images/index2_bg1.png) center bottom no-repeat;
    overflow: hidden;
}
.section_index2_box{
    flex-wrap: wrap;
    justify-content: center;
}
.margin20{
    margin-right: 20px;
}
.section_index2_item{
    width: 386px;
    height: 540px;
    background: #fff;
    text-align: center;
    padding: 35px 24px;
    padding-bottom: 0px;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
}
.section_index2_item1,.section_index2_item2,
.section_index2_item3,.section_index2_item4,
.section_index2_item5{
    position: relative;
    top:840px;
}
.section_index2_item:hover{

    box-shadow: 0px 0px 21px rgba(0,0,0,0.3);
}
.section_index2_item p{
    text-align: left;
}

.section_index2_item a{
    width: 150px;
    height: 43px;
    border: 1px solid #333333;
    border-radius: 23px;
    position: absolute;
    bottom:35px;
    left: 50%;
    transform: translate(-50%,0);
    font-size: 16px;
    line-height: 43px;
    text-align: center;
}
.section_index2_item a:hover{

    background: #d5000b;
    color: #fff;
    border: 1px solid #d5000b;
}
.section_index2_item a img{vertical-align: middle;}
.section_index2_item a img.more_link{
    display: none;
}
.section_index2_item a:hover img.more_link{
    display: inline-block;
}
.section_index2_item a:hover img.more_link1{
    display: none;
}
.section_index2_item .index2_item_logo{
    margin-bottom: 15px;
}
.section_index2_item h3{
    font-size: 24px;
    font-weight: 500;
    position: relative;
    padding-bottom:10px;
    margin-bottom:  15px;
}
.section_index2_item h3:after{
    content:"";
    position: absolute;
    bottom: 0px;
    left:calc( 50% - 50px);
    width: 100px;
    height: 4px;
    background: #d5000b;
}
.section_index2_item p{
    height:200px;
    line-height: 28px;
    font-size: 16px;
    color: #666;
}
/*section_index2*/
/*section_index3*/

.section_index3{
    background: #fff;
    text-align: center;
    overflow: hidden;
}
.section_index3_item{
    width: 550px;
    height: 274px;
    background: #fff;
    text-align: center;
    padding-bottom: 0px;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    line-height: 240px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    cursor: pointer;
}

.section_index3_item1,.section_index3_item2,
.section_index3_item3{
    position: relative;
    top:540px;
}
.section_index3_box>div:hover .section_index3_item{
    box-shadow: 0px 0px 21px rgba(0,0,0,0.3);
}
.section_index3_box>div:hover  p{
    color:#D5000B;
}
.section_index3 p{
    font-size: 24px;
    cursor: pointer;
}

/*section_index3*/
/*section_index4*/
.section_index4_box{
    flex-flow: wrap;
}

.section_index4_item{
    width: 386px;
    height: 478px;
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 16px;
    cursor: pointer;
}
 .section_index4_item:hover{
    box-shadow: 0px 0px 21px rgba(0,0,0,0.3);
}
 .section_index4_item:hover h2{
    color: #D5000B;
 }
.section_index4_item>div{
    padding: 0px 15px;
}
.section_index4_item h2{
    font-size: 22px;
    line-height: 36px;
    margin-bottom: 15px;
    padding-top: 10px;
    font-weight: 500;
}
.section_index4_item p{
    font-size: 16px;
    color: #666;
    line-height: 26px;
    margin-bottom: 15px;
}
.section_index4_item span{
    font-size: 16px;
    color: #666;
}
/*section_index4*/
/*section_topic1*/
.section_topic1_box{

    flex-flow: wrap;
    margin-bottom: 52px;
}
.section_topic1_item{
    width: 590px;
    height: 340px;
    background: #fff;
    border-radius: 8px;
    cursor: pointer;
    margin-bottom: 20px;
}
.section_topic1_item1{
    background: url(../images/topic_1.png) no-repeat;
}
.section_topic1_item1 h3{
    font-size: 30px;
    padding-bottom: 8px;
    padding-top: 100px;
    display: inline-block;
    border-bottom: 5px solid #fff;
    margin-left: 35px;
    margin-right: 35px;
    color:#fff;
    font-weight:500;
    margin-bottom: 20px;
}
.section_topic1_item1 p{
    color: #fff;
    margin-left: 35px;
    margin-right: 35px;
    font-size: 16px;
    line-height: 28px;
}

.section_topic2_item{
    width: 590px;
    position:   relative;
}
.link_topic{
    position: absolute;
    top: 192px;
    left: 321px;
    width: 255px;
    height: 170px;
    background: url(../images/link_topic.png) no-repeat ;
}
.section_topic2_item h3{
    font-size: 30px;
    font-weight: 500;
    border-left: 4px solid #d5000b;
    padding-left: 20px;
    height: 30px;
    line-height: 30px;
    margin-bottom: 20px;
}
.section_topic2_item h3 a{
    color: #d5000b;
    font-size: 16px;
}

/*section_topic1*/
/*section_topic2*/
.section_topic2{
    height: 800px;
    background: url(../images/topic1_bg1.png) center center no-repeat;
    text-align: center;
}
.section_topic2 h2{
    font-weight: 500;
    padding-top: 16px;
    margin-bottom: 24px;
    font-size: 30px;
    color:#fff;
}
.section_topic2 h3{
    font-weight: 500;
    margin-bottom: 34px;
    font-size:20px;
    color:#fff;
}
.section_topic2 p{
    color: #fff;
    font-size: 20px;
}
.section_topic2_btn{
    display: inline-block;
    width: 160px;
    height: 50px;
    background: #d5000b;
    border: 1px solid #d5000b;
    border-radius: 25px;
    text-align: center;
    line-height: 50px;
    color: #fff;
    font-size: 16px;
}
.section_topic2_btn:hover{
    border: 1px solid #ffffff;
    background: transparent;
}
.section_topic2_btn img{
    vertical-align: middle;
}
.topic_video{
    position: relative;
    width: 670px;
    height: 380px; 
    margin:50px auto 30px auto;
    background: url(../images/topic_video2.png) center center no-repeat;
}
/*section_topic2*/
/*multi*/
.section_multi_img{
    width: 100%;
    text-align: center;
}
.product_list .product_item{
    width: 285px;
    height: 220px;
    cursor: pointer;
    position: relative;
}
.product_list .product_item>a{
    position: absolute;
    top:0px;
    left: 0px;
    right:0px;
    bottom:0px;
    background: rgba(0,0,0,0.3);
    line-height: 220px;
    text-align: center;
    font-size: 24px;
    cursor: pointer;
    color: #fff;
}
.product_list .product_item>a:hover{
    background: rgba(0,0,0,0.7);
}



.section_multi2{
    height:600px;
    background: url(../images/multi1_bg1.png) center center no-repeat;
    text-align: center;
    margin-top: 50px;
}
.section_multi2 p{
    color: #fff;
    font-size: 20px;
}
.multi2_video{
    position: relative;
    width: 670px;
    height: 380px; 
    margin:50px auto 30px auto;
    background: url(../images/topic_video1.png) center center no-repeat;
}
/*multi*/
/*section_inductor*/
.section_inductor p{
    text-align: center;
}
/*section_inductor*/
.section_rf_img{
    margin-bottom: 50px;
}
.section_rf .wrap{
    width: 1027px;
}
.section_rf p{
    text-align: left;
    line-height: 36px;
    font-size: 18px;
}
.section_rf p span{
    color:#498BE3;
}
.section_rf2{
    height: 550px;
    background: url(../images/rf2.png) center center no-repeat;
    position: relative;
}
.rf2_video{
    position: relative;
    width: 670px;
    height: 380px;
    background: url(../images/topic_video.png) center center no-repeat;
    margin:0 auto;
}
.section_rf2 p{
    color: #fff;
    text-align: center;
    font-size: 20px;
    padding-top: 40px;
}

.banner_nav_drop .banner_nav_drop_box a.m_show{
    display: none;
}
/*section_mcoil*/
.section_mcoil{
    background: #5c6273;
}
.section_mcoil .title{
    color:#fff;
} 
.section_mcoil  .section_mcoil_text{
    font-size:18px;
    line-height:2;
    color:#fff;
    margin-bottom:  40px;
}
  .section_mcoil_img {
    text-align: center;
}
  .section_mcoil_img  img{
    vertical-align: middle;
}
.section_mcoil_images{
    padding-bottom: 158px;
}
.section_mcoil_img2{
    margin-bottom:30px;
}
.section_mcoil_img3{
    padding-top: 30px;
}
.section_mcoil_images_tip{
    padding-left: 155px;
    font-size: 12px;
    line-height: 18px;
}
.section_mcoil_footer{
    position: relative;
}
.section_mcoil_footer .wrap{
    position: absolute;
    left:50%;
    top:0px;
    transform: translate(-50%,0);
}
.mcoil_4{
    width: 100%;
    vertical-align: middle;
}
.section_mcoil_footer_defail{
    position: relative;
    top:-130px;
    left:200px;
    width: 385px;
    height: 282px;
    background:url(../images/mcoil_5.png) center center no-repeat;
}
.section_mcoil_footer_defail{
    text-align: center;
}
.section_mcoil_footer_defail h3{
    display: inline-block;
    border-bottom: 5px solid #fff;
    line-height: 2;
    font-size: 22px;
    font-weight: 700;
    color:#fff;
    padding-top: 50px;
    margin-bottom: 28px;
}
.section_mcoil_footer_defail p{
    font-size: 14px;
    color:#fff;
    margin-bottom: 40px;
}
.section_mcoil_footer_defail  a{
    display: block;
    margin:0 auto;
    line-height: 36px;
    color:#333;
    font-size: 12px;
    width: 122px;
    height: 36px;
    background: #e4e4e4;
    border-radius: 18px;
}
.section_mcoil_footer_defail  a:hover{

    background: #fff;
}
.section_mcoil_footer .mcoil_search{
    position: absolute;
    top: 59%;
    left: 55%;
    width: 157px;
    height: 36px;
    background: #4e63cb;
    border-radius: 18px;
    padding-left: 33px;
    box-sizing: border-box;
    color:#fff;
    line-height: 36px;
}
.section_mcoil_footer .mcoil_search:hover{
    background: #566ee1;
}
.section_mcoil_footer .mcoil_search:after{
    content:"";
    position: absolute;
    top:0px;
    right: 0px;
    height: 36px;
    width: 49px;
    height: 36px;
    background: #324bcb;
    border-radius: 18px;
}
.mcoil_search img{
    position: absolute;
    top:50%;
    right:13px;
    transform: translate(0,-50%);
    z-index: 4;
}
/*section_mcoil*/
@media screen and (max-width: 750px) {
    html{
        font-size: 13.333333333vw;
    }
    body{
        width: 100vw;
    }
    .footer{
        display: none;
    }
    .pc_show{
        display: none;
    }
    .m_show{
        display: block;
    }
    .wrap{
        width:100%;
    }
    .section {
        padding-top: 0.5rem;
        padding-bottom: 0.5rem;
    }
    #product_news,  #solutions,  #product_intr{
        position: relative;
        top:0.2rem;
    }
    /*title*/
    .title {
        margin-bottom: 0.35rem;
    }
    .title span {
        display: inline-block;
        margin: 0 0.15rem;
        font-size: 0.36rem;
    }
    .title>img{
        width: 0.4rem;
    }
    /*title*/
    /*nav*/
    .nav {
        height: 0.8rem;
    }
     .nav .logo {
       width: 2.49rem; 
    }
    .logo_m {
        height:    0.8rem;
        padding-left:   0.28rem;
    }
    .nav_list li a {
        font-size: 0.24rem;
        line-height: 0.77rem;
        height: 0.77rem;
        padding: 0px 0px;
        border-bottom: 0px solid transparent;
        width: 2.65rem;
        background: #b3b3b3;
        border-bottom: 1px solid #fff;
        text-align: center;
        color:#fff;

    }
    .nav_list li:last-child a{
        border-bottom: none;
    }
    .nav_list li .nav_drap {
        position: absolute;
        top: 0;
        left: -3.56rem;
        z-index: 1;
    }
    .nav_list li .nav_drap a {
        display: block;
        padding: 0px;
        text-align: center;
        height: 0.77rem;
        line-height:  0.77rem;

        width: 3.56rem;
        background-color: #b3b3b3;
        color: #fff;
        font-size: 12px;
        margin-bottom:0px;
        border-bottom: 1px solid #fff;
    }
    .nav_list li .nav_drap a.active{
        background-color: #D00010;
    }
    .nav_list li .nav_drap a:last-child{
        border-bottom: 0px;
    }
    .nav_list li a:hover{
        color: #fff!important;
    }
    .nav_list li:nth-child(1){
        display: none!important;
    }
    .nav_list li.active>a {
        border-bottom: 0px solid #CD000A;
        background: #CD000A;
        color: #fff;
    }
    .nav_list{
        display: none;
    }
    .nav_weixin{
        display: none;
    }
    .nav_right  .nav_home{
        display: inline-block;
        width: 1.7rem;
        height: 100%;
        line-height: 0.8rem;
        background: #d5000b;
        color: #fff;
        font-size: 0.24rem;
        vertical-align: middle;
        text-align: center;
    }
    .nav_right .nav_menu_icon{
        display: inline-block;
        width: 0.86rem;
        height: 0.8rem;
        background: url(../images/open.png) center center no-repeat;
        background-size: 0.29rem 0.29rem;
        vertical-align: middle;
    }
    .nav_right .nav_menu_icon.close{
        display: inline-block;
        width: 0.86rem;
        height: 0.8rem;
        background: url(../images/close.png) center center no-repeat;
        background-size: 0.29rem 0.29rem;
        vertical-align: middle;
    }
    .nav_list{
        position: fixed;
        top: 0.8rem;
        right: 0;
        z-index: 11;
    }
    /*nav*/
    /*banner*/
    .banner_index{
        overflow: hidden;
    }
    .banner_index_btn {
        bottom: -.8rem;
        width: 4.98rem;
        height: 2.95rem;
            background: url(../images/index_btn_m.png);
        background-size: cover;
        font-size: 0.24rem;
        line-height:    2.9rem;
        padding-right: 0.2rem;
    }
    .banner_index_btn1{

        position: absolute;
        bottom: 56%;
        left: 20.5%;
        transform: translate(-50%,0);
        width: 1.9rem;
        height: 0.38rem;
        background:url(../images/banner_index_btn1_m.png);
        background-size: cover;
    }
    .banner_index_btn2{
        
        position: absolute;
        bottom: -3%;
        left: 44%;
        transform: translate(0%,0);
        width: 3.35rem;
        height: 1.7rem;
        background:url(../images/banner_index_btn2_m.png);
        background-size: cover;
    }
    .banner_commom_box {
        position: absolute;
        left: 4%;
        bottom: 28%;
    }
    .banner_commom_box li a {
        width: 1.5rem;
        height: 0.5rem;
        line-height: 0.5rem;
        font-size: 0.2rem;
        margin-right: 0.12rem;
    }
    .banner_commom_box li a img{
        width: 0.2rem;
        vertical-align: middle;
    }
    .banner_nav_drop_box {
        position: absolute;
        top: 0.6rem;
    }

    .banner_commom_box li a:hover{

        border:1px solid #0072ff!important;
        background: #0072ff!important;
    }
    .banner_nav_drop .banner_nav_drop_box a {
        font-size: 0.12rem;
        display: flex;
        justify-content: left;
        align-items: center;
        min-height: 1rem;
        line-height: 1.3;
        border: 1px solid transparent;
        background: #0072ff;
        margin-bottom: 2px;
        text-align: left;
        padding-left: .05rem;
        box-sizing: border-box;
        width: 150%;
        margin-bottom: 0.05rem;
    }
    .banner_nav_drop .banner_nav_drop_box a.pc_show{
        display: none;
    }
    .banner_nav_drop .banner_nav_drop_box a.m_show{
        display: flex;
    }
    /*banner*/
    /*section_index1 */
    .section_index1{
        padding-bottom: 0px;
    }
    .section_index1 .index1_bg1_box {
        display: block;
        height: auto;
        background:transparent;
        padding:0 0.3rem;
        margin-bottom: 0.5rem;
    }
    .index1_bg1_box .m_show img{
        width: 100%;
    }
    .index1_bg1_box .index1_bg1_left {
        width: auto;
        padding-top: 0.2rem;
    }
    .index1_bg1_box .index1_bg1_left p {
        font-size: 0.24rem;
        line-height: 1.8;
        color: #666;
        margin-bottom: 0.2rem;
    }
    .index1_bg1_box .index1_bg1_left a {
        width: 67%;
        height: 0.8rem;
        font-size: 0.24rem;
        line-height: 0.8rem;
        text-align: center;
        display: block;
        margin: 0 auto;
        color: #fff;
        background: #d5000b;
        border: none;
    }
    .index1_bg1_box .index1_bg1_left a img.more_link1{
        display: none!important;
    }
    .index1_bg1_box .index1_bg1_left a img.more_link{
        display: initial!important;
    }
    .index1_bg2_box {
        height: 5.1rem;
        background: url(../images/index1_bg2_m.png) center center no-repeat;
        background-size: 100% 100%;
        padding:0 0.3rem;
    }
    .index1_bg2_box .index1_bg2_video {
        position: relative;
        width: 100%;
        height: 3.6rem;
        background: url(../images/index1_bg2_video.png) center center no-repeat;
        background-size: cover;
        margin: 0 auto;
        cursor: pointer;
    }
    .index1_bg2_box h2 {
        font-size: 0.32rem;
        text-align: center;
        padding-top: 0.3rem;
        margin-bottom: 0.3rem;
        color: #fff;
        font-weight: 500;
    }
    .video_icon {;
        width: 0.74rem;
        height: 0.74rem;
        background: url(../images/play1.png) center center no-repeat;
        background-size: cover;
    }
    .video_icon:hover{
        background: url(../images/play2.png) center center no-repeat;
        background-size: cover;
    }
    .section_index2.m_show{
        display:block;
        padding-bottom: 0.4rem;
    }
    .section_index2_swiper{
        width:  100%;
        overflow: hidden;
    }
    .section_index2_swiper .mySwiper{
        width: 150%;
        overflow: hidden;
        padding: 10px 0;
    }
    .section_index2_swiper .swiper-wrapper{
        margin-left: 9%;
    }
    .section_index2_swiper .swiper-slide{
        width: 5.3rem;
    }
    .section_index2_swiper  .swiper-slide-active{
        box-shadow: 0px 0px 10px rgba(0,0,0,0.1);
    }
    .section_index2_item {
        width: 5.3rem;
        height: 6.3rem;
        background: #fff;
        text-align: center;
        padding: 0.35rem 0.24rem;
        padding-bottom: 0px;
        border-radius: 8px;
        cursor: pointer;
        position: relative;
    }
    .section_index2_item .index2_item_logo {
        margin-bottom: 0.15rem;
        width: 1.3rem;
    }
    .section_index2_item h3 {
        font-size: 0.3rem;
        font-weight: 500;
        position: relative;
        padding-bottom: 0.1rem;
        margin-bottom: 0.15rem;
    }
    .section_index2_item h3:after {
        content: "";
        position: absolute;
        bottom: 0px;
        left: 50%;
        transform: translate(-50%, 2px);
        width: 1rem;
        height: 0.04rem;
        background: #d5000b;
    }
    .section_index2_item p {
         height: auto; 
        line-height: 1.5;
        font-size: 0.2rem;
        color: #666;
    }
    .section_index2_item a {
        width: 2rem;
        height: 0.54rem;
        border: none;
        border-radius: 23px;
        bottom: 0.35rem;
        left: 50%;
        transform: translate(-50%,0);
        font-size: 0.2rem;
        line-height: 0.54rem;
        background: #d5000b;
        color: #fff;
    }
    .section_index2_item a img.more_link {
        display: initial!important;
        width: 0.12rem;
    }
    .section_index2_item a img.more_link1 {
        display:none!important;
        width: 0.12rem;
    }
    /*section_index1 2 */
    /*section_index3 */
    .section_index3 {
        padding: 0.5rem 0.3rem;
    }
    .section_index3 p {
        font-size: 0.24rem;
        cursor: pointer;
    }
    .section_index3_box>div{
        width: 48%;
    }
    .section_index3_item {
        width: 100%;
        height: 1.3rem;
        background: #f8f8f8;
        padding-bottom: 0px;
        border-radius: 0.08rem;
        line-height: 1.3rem;
        margin-bottom: 0.15rem;
    }
    .section_index3_item1 .section_index3_item img{
        width: 1.7rem
    }
    .section_index3_item2 .section_index3_item img{
        width: 1.1rem
    }
    .section_index3_item3 .section_index3_item img{
        width:0.9rem
    }
    /*section_index3 */

   /* section_index4*/
   .section_index4{
        padding-left:0.3rem;
        padding-right:0.3rem;
   }
    .section_index4_item {
        width: 100%;
        height: auto;
        background: transparent;
        border-radius: 8px;
        cursor: pointer;
        margin-bottom: 16px;
        cursor: pointer;
        display: flex;
        border-bottom: 1px solid #eaeaea;
        padding-bottom: 0.2rem;
    }
    .section_index4_item>img{
        width: 1.8rem;
        height: 1.3rem;
        object-fit: cover;
    position: relative;
    top: 0.1rem;
    }
    .section_index4_item h2 {
        font-size: 0.24rem;
        line-height: 1;
        margin-bottom: 0.1rem;
        padding-top: 0;
        font-weight: 700;
        overflow:hidden;
        text-overflow:ellipsis;
        display:-webkit-box;
        -webkit-line-clamp:1;
        -webkit-box-orient:vertical;
    }
    .section_index4_item p {
        font-size: 0.16rem;
        color: #666;
        line-height: 1.5;
        margin-bottom: 0.1rem;
        overflow:hidden;
        text-overflow:ellipsis;
        display:-webkit-box;
        -webkit-line-clamp:2;
        -webkit-box-orient:vertical;
    }
    .section_index4_item span{
        font-size: 0.16rem;
    }
    .section_index4_item>div{
        padding:0 0.15rem;
        padding-left: 15px;
    }
    .section_index4_item_last{
        display: none!important;
    }
    /*section_index4*/
    /*section_topic*/
    .section_topic1{
        padding-left:  0.3rem;
        padding-right:  0.3rem;
        padding-bottom: 0rem;
    }
    .section_topic1_box{
        margin-bottom: 0.2rem;
    }
    .section_topic1_item{
        margin-bottom: 0.2rem;
    }
    .section_topic2_item h3 {
        font-size: 0.3rem;
        font-weight: 500;
        border-left: 0.04rem solid #d5000b;
        padding-left: 0.2rem;
        height:auto;
        line-height: 0.3rem;
        margin-bottom: 0.2rem;
    }
    .section_topic2_item img{
        width: 100%;
    }
    .section_topic2_item{
        width: 100%;
    }
    .section_topic1_item1 {    
        width: 100%;
        height: 2rem!important;
        background: url(../images/topic_1_m.png) no-repeat;
        background-size: cover;
        display: flex;
        justify-content: center;
        align-items: center;
    }
    .section_topic1_item1 h3{
        display: none;
    }
    .section_topic1_item1 p{            
        color: #fff;
        margin-left: 0.2rem;
        margin-right: 0.2rem;
        font-size: 0.22rem;
        line-height: 1.5;
    }
    .section_topic1_item{
        width: 100%;
        height: auto;
    }
    .section_topic1_item>img{
        width: 100%;
    }
    .section_topic2_box {
        display: block;
        margin-bottom: 0.3rem;
    }
    .section_topic2_item h3 a{
        font-size: 0.12rem;
        display: inline-block;
    }
    .section_topic2_item{
        margin-bottom: 0.2rem;
    }
    .link_topic {
        position: absolute;
        top: 2.18rem;
        left: 3.8rem;
        width: 2.64rem;
        height: 2rem;
        background: url(../images/link_topic.png) no-repeat;
        background-size: cover;
    }
    .section_topic2 {
        height:7rem;
        background: url(../images/topic1_bg1_m.png) center center no-repeat;
        background-size: cover;
        padding: 0.2rem 0.3rem;
        text-align: center;
    }
    .topic_video {
        position: relative;
        width: 100%;
        height: 3.6rem;
        margin: 0.4rem auto 0.2rem auto;
        background: url(../images/topic_video2_m.png) center center no-repeat;
        background-size: cover;
    }
    .section_topic2 h2 {
        padding-top: 0.16rem;
        margin-bottom: 0.14rem;
        font-size: 0.36rem;
    }
    .section_topic2 h3 {
        font-weight: 500;
        margin-bottom: 0.2rem;
        font-size: 0.2rem;
        color: #fff;
    }
    .section_topic2_btn {
        width: 2rem;
        height: 0.54rem;
        line-height: 0.54rem;
        font-size: 0.2rem;
    }
    .section_topic2_btn img {
        vertical-align: middle;
        width: 0.18rem;
    }
    .section_topic2 p{
        font-size: 0.24rem;
    }
    /*section_topic*/
    /*section_about*/
    .section_about1{
        background:#fff;
        padding-left: 0.3rem;
        padding-right: 0.3rem;
    }
    .banner_about_btn {
        position: absolute;
        bottom: 16%;
        right: 4%;
        width: 1.92rem;
        height: 0.58rem;
        background: transparent;
    }
    .banner_about_btn:hover{
        border:none;

    }
    .section_about1_box {
        height: auto;
        padding: 0;
        display: block;
        background:transparent;
    }
    .about1_left {
        height: 100%;
        width: 100%;
        padding-top: 0;
    }
    .about1_left h2 {
        font-size: 0.3rem;
        margin-bottom: 0.2rem;
    }
    .about1_left p {
        font-size: 0.24rem;
        line-height: 1.8;
        color: #666;
        margin-bottom:0.25rem;
    }
    .about1_box img{
        width:  100%;
    }
    .about_img_m h3{
        font-size: 0.3rem;
        color:#fff;
        margin-bottom: 0.3rem;
        font-weight: 500;
    }
    .about_img_m{
        display: block;
        background: #192357;
        padding:0.5rem 0.3rem ;
    }
    .about_img_m_box{
        border: 1px solid #575656;
        border-bottom: 1px solid #4dffff;
        padding:0.36rem 0.26rem ;
    }
    .about_img_m_box>img{
        width:100%;
        margin-bottom: 0.8rem;
    }
    .about_img_m_box>img:last-chidl{
        margin-bottom: 0px;
    }
    .about_address{
        background:#fff;
    }
    .about_address .about3_m{
        width: 100%;
    }
    /*section_about*/
    /*section_multi*/
    .section_multi_img{
        padding-left:  0.3rem;
        padding-right:  0.3rem;
    }
    .section_multi_img img{
        width:  100%;
    }
    .product_list .product_item {
        width: 24%;
        height: 1rem;
        cursor: pointer;
        position: relative;
        border-radius: 4px;
    }
    .product_list .product_item>img{
        width:  100%;
        height:     1rem;
        object-fit: cover;
    }
    .product_list{
        padding-left: 0.3rem;
        padding-right: 0.3rem;
    }
    .product_list .product_item>a{
        line-height:    1rem;
        height: 1rem;
        font-size: 0.24rem;
    }
    .section_multi2{
        height:5rem;
        background: url(../images/multi1_bg1.png) center center no-repeat;
        background-size: cover;
        text-align: center;
        margin-top: 0.5rem;
        padding-left: 0.3rem;
        padding-right: 0.3rem;
        padding-top: 0.5rem;
    }
    .section_multi2 p{
        font-size: 0.24rem;
    }
    .multi2_video{
        position: relative;
        width: 100%;
        height: 3.63rem; 
        margin:0px auto 0.2rem auto;
        background: url(../images/topic_video1.png) center center no-repeat;
        background-size: 100% 100%;
    }
    /*section_multi*/
    /*section_inductor*/
    .section_inductor p {
        text-align: left;
        font-size: 0.2rem;
        line-height: 1.5;
    }
     .section_inductor{
        padding-left: 0.3rem;
        padding-right: 0.3rem;
     }
    /*section_inductor*/
    .section_rf{
        padding-left: 0.3rem;
        padding-right: 0rem;
    }
    .section_rf .wrap{
        width: 100%;
    }
    .section_rf p {
        text-align: left;
        line-height: 1.8;
        font-size: 0.2rem;
    }
    .section_rf2{
        padding: 0.5rem 0.3rem;
        height: 5rem;
        background: url(../images/rf2_m.png) center center no-repeat;
        background-size: cover;
    }
    .rf2_video {
        width: 100%;
        height: 3.6rem;
        background:url(../images/topic_video_m.png) center center no-repeat;
        background-size: cover;
    }
    .section_rf2 p {
        font-size: 0.24rem;
        padding-top: 0.2rem;
    }
    .section_mcoil_img img{
        width: 100%;
    }
    .section_mcoil,.section_mcoil_images{
        padding:0.5rem 0.3rem;
    }
    .section_mcoil_images{
        padding-bottom:     2.15rem;
    }
    .section_mcoil .section_mcoil_text {
        font-size: 0.24rem;
        line-height: 1.8;
        color: #fff;
        margin-bottom: 0.2rem;
    }
    .section_mcoil_images_tip {
        padding-left: 0.2rem;
        font-size: 0.12rem;
        line-height: 1.8;
    }
    .section_mcoil_footer_defail {
        position: relative;
        top: -1.8rem;
        left: 0.3rem;
        width: 3.85rem;
        height: 2.82rem;
        background: url(../images/mcoil_5.png) center center no-repeat;
        background-size: cover;
    }
    .section_mcoil_footer_defail h3 {
        display: inline-block;
        border-bottom: 0.04rem solid #fff;
        line-height: 2;
        font-size: 0.26rem;
        font-weight: 700;
        color: #fff;
        padding-top: 0.4rem;
        margin-bottom: 0.2rem;
    }
    .section_mcoil_footer_defail p {
        font-size: 0.12rem;
        color: #fff;
        margin-bottom: 0.3rem;
    }
    .section_mcoil_footer_defail a {
        display: block;
        margin: 0 auto;
        line-height: 0.5rem;
        color: #333;
        font-size: 0.2rem;
        width: 1.6rem;
        height: 0.5rem;
        background: #e4e4e4;
        border-radius: 18px;
    }
    .mcoil_search_m{
        position: absolute; 
        top:1.2rem;
        right:0.1rem;
    }
    .mcoil_search_m h3{
        position: relative; 
        font-size: 0.3rem;
        font-weight: 700;
        margin-bottom:  0.3rem;   
    }
    .mcoil_search_m h3 i{
        display:    inline-block;
        width: 0.07rem;
        height: 0.3rem;
        background: #324bcb;
        vertical-align: middle;
        margin-right: 0.1rem;
    }
    .mcoil_search_m p{
        font-size: 0.2rem;
        font-weight: 700;
        margin-bottom:  0.3rem;  
        color:#2D364E; 
    }
    .section_mcoil_footer .mcoil_search {
        display:    block;
        position: relative;     ;
        top: 0%;
        left: 0%;
        width: 2.6rem;
        height: 0.6rem;
        background: #4e63cb;
        border-radius: 18px;
        padding-left:0.4rem;
        box-sizing: border-box;
        color: #fff;
        line-height:  0.6rem;
    }
    .section_mcoil_footer .mcoil_search:after {
        content: "";
        position: absolute;
        top: 0px;
        right: 0px;
        height:0.6rem;
        width: 0.8rem;
        background: #324bcb;
        border-radius: 18px;
    }
    .section_mcoil_footer .mcoil_search img{
        width:  0.2rem;
    }
}

@media screen and (max-width: 320px){
    .banner_nav_drop .banner_nav_drop_box a {
        min-height: 1.5rem;
    }
    .section_index2_item{
        height: 7.4rem;
    }
}