@media (min-width: 768px){
.n_main{overflow:unset;}
.n_content_right{background: #f7f7f7;}
.n_content_right_m{overflow: unset;}
.n_content_right_m1{width:1200px;height: auto;position: relative;margin: 0 auto;}

.xn_c_casev_1_warp{width:805px;position: absolute;top: -240px;left: 0px;background: rgba(255,255,255,0.9);z-index: 99;min-height: 278px;padding-top: 65px;padding-left: 66px;padding-right: 66px;}
.xn_c_casev_1_CopyFrom{width:100%;height: 42px;line-height: 42px;font-size: 18px;color: #333333;}
.xn_c_casev_1_title{width:100%;height: auto;line-height: 48px;font-size: 44px;color: #333333;overflow: hidden;margin-bottom: 40px;}
.xn_c_casev_1_contone{width:100%;height: auto;overflow: hidden;line-height: 36px;font-size: 16px;color: #757575;}
#xn_c_casev_1_Text2{padding-bottom:30px;display: block;padding-right:10px;}
.xn_c_casev_1_contone1{display: block;width:auto;padding-left: 25px;height: 60px;line-height: 60px;background: url(../images/xn_c_casev_1_contone1.jpg) no-repeat left center;font-size: 24px;color: #333;}

.xn_c_casev_2_warp{width:1200px;height: auto;margin: 0px auto 60px auto;line-height: 38px;color: #757575;font-size: 16px;padding-top: 340px;overflow: hidden;}
.xn_c_casev_2_warp table th,.xn_c_casev_2_warp table td{border-spacing: 0;border:0px;padding:0px!important;background:none!important;}
  
.xn_c_casev_4_warp{width:100%;height: auto;margin: 0px auto 60px auto;line-height: 38px;color: #757575;font-size: 16px;overflow: hidden;background:#fff;}
#xn_c_casev_4_warp_lg{width:1200px;height:auto;margin:0 auto;}
.xn_c_casev_4_warp table th,.xn_c_casev_4_warp table td{border-spacing: 0;border:0px;padding:0px!important;background:none!important;}

.xn_c_casev_3_warp{width:100%;height: auto;line-height: 38px;color: #757575;margin: 0 auto;background: #fff;padding-top: 70px;padding-bottom: 60px;}
#xn_c_casev_3_Text4{width:1200px;margin: 0 auto;overflow: hidden;display: block;}
.xn_c_casev_3_warp table{border-collapse: collapse;}
.xn_c_casev_3_warp table th,.xn_c_casev_3_warp table td{border-spacing: 0;border:0px;}

.xn_c_casev_73_wrap{width:1370px;height: auto;overflow: hidden;margin: 0 auto 0 auto;padding-bottom:88px;}
.xn_c_casev_73_header{width:1200px;height: 130px;line-height: 130px;text-align: center;overflow: hidden;color: #363636;font-size: 44px;margin: 0 auto;}
.xn_c_casev_73_inner{width:100%;height: auto;position: relative;}
.xn_c_73_wbox{width:1200px;height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_73_wbox>ul>li{width:390px;float: left;height: auto;}
.xn_c_casev_73_img{width:390px;height: 253px;margin-bottom: 7px;overflow: hidden;}
.xn_c_casev_73_img img{width:100%;height: 100%;transition: all 0.5s;}
.xn_c_casev_73_img img:hover{transform: scale(1.1);}
.xn_c_casev_73_ft{width:100%;height: auto;}
.xn_c_casev_73_name{width:100%;line-height: 30px;font-size: 22px;color: #404040;overflow:hidden;padding-top: 16px;}
.xn_c_casev_73_name a{color: #404040;}
.xn_c_casev_73_name a:hover{color: #3199ee;}
.xn_c_casev_73_neirong{width:100%;height: 90px;line-height: 30px;font-size: 16px;color: #333333;overflow: hidden;}
.xn_c_73_prev{width:61px;height:88px;display:block;background:url(../images/swiper-button-prev22.png) no-repeat left center;position:absolute;left:0px;bottom:56%;cursor:pointer;z-index: 99;}
.xn_c_73_prev:hover{background:url(../images/swiper-button-prev22_hover.png) no-repeat left center;}
.xn_c_73_next{width:61px;height:88px;display:block;background:url(../images/swiper-button-next22.png) no-repeat right center;position:absolute;right:0px;bottom:56%;cursor:pointer;z-index: 99;}
.xn_c_73_next:hover{background:url(h../images/swiper-button-next22_hover.png) no-repeat right center;}

.xn_c_casev_74_wrap{width:100%;height: auto;overflow: hidden;margin: 0 auto 50px;background: #fff;display:none;}
.xn_c_casev_74_header{width:1200px;height: 158px;line-height: 135px;text-align: center;overflow: hidden;color: #363636;font-size: 44px;margin: 0 auto;padding-top: 23px;}
.xn_c_casev_74_inner{width:100%;height: auto;position: relative;}
.xn_c_casev_74_wbox{width:1370px;height: auto;margin: 0 auto;}
.xn_c_74_wbox{width:1200px;height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_74_wbox>ul>li{width:390px;float: left;margin-right: 16px;height: auto;position: relative;}
.xn_c_casev_74_img{width:390px;height: 253px;margin-bottom: 7px;overflow: hidden;position: relative;cursor: pointer;}
.xn_c_casev_74_img:before{content:'';position:absolute;top:50%;left:50%;z-index: 9;width: 98px;height: 98px;margin: -46px 0 0 -46px;background:url(../images/xn_c_index_275_cImg.png) no-repeat center;}
.xn_c_casev_74_img img{width:100%;height: 100%;transition: all 0.5s;}
.xn_c_casev_74_img:hover img{transform: scale(1.1);}
.xn_c_casev_74_ft{width:100%;height: auto;}
.xn_c_casev_74_name{width:100%;line-height: 30px;font-size: 22px;color: #404040;overflow:hidden;padding-top: 16px;text-align: center;}
.xn_c_casev_74_name a{color: #404040;}
.xn_c_casev_74_name a:hover{color: #3199ee;}
.xn_c_74_prev{width:61px;height:88px;display:block;background:url(../images/swiper-button-prev22.png) no-repeat left center;position:absolute;left:0px;bottom:45%;cursor:pointer;z-index: 99;}
.xn_c_74_prev:hover{background:url(../images/swiper-button-prev22_hover.png) no-repeat left center;}
.xn_c_74_next{width:61px;height:88px;display:block;background:url(../images/swiper-button-next22.png) no-repeat right center;position:absolute;right:0px;bottom:45%;cursor:pointer;z-index: 99;}
.xn_c_74_next:hover{background:url(h../images/swiper-button-next22_hover.png) no-repeat right center;}
.nvideo_lb_cnt{display:none;}


.nvideo_lb .nvideo_lb_mright{display: none;}
.n_video_m_tc{position: fixed;top: 0;left: 0;z-index: 999;background: rgba(0,0,0,0.8);width: 100%;height: 100%;display: none;}
.n_video_m_tc_colse{position: absolute;width: 54px;height: 54px;cursor: pointer;top: 50%;left:45%;border-radius: 50%;background: url(../images/i_tcase_m_tc_colse.png?d=20200901180646316) no-repeat center #fff;transition: all 0.5s;z-index: 1200;margin-top: -317px;margin-left: 529px;}
.n_video_m_tc_colse:hover{transform: rotate(90deg);}
.n_video_m_tc .nvideo_lb_video{display: block;}
.n_video_m_tc .xn_c_casev_74_li{display: none;}
.n_video_m_tc .xn_c_casev_74_li.active{display: block;position: inherit;}
.n_video_m_tc .xn_c_casev_74_img{display: none;}
.n_video_m_tc .xn_c_casev_74_ft{width:100%;height: 100%;display:block;}
.n_video_m_tc .xn_c_casev_74_name{position: absolute;top: 50%;left: 0;width: 100%;height: 60px;line-height: 60px;font-size: 24px;color: #fff;text-align: center;margin-top: -320px;z-index: 1000;}
.n_video_m_tc .nvideo_lb_cnt{display:block;position: absolute;width: 1012px;height: 32px;top: 50%;left: 50%;margin-left: -506px;font-size: 16px;color: #fff;text-align: center;line-height: 32px;}
.n_video_m_tc iframe{display: block;position: absolute;width: 865px;height: 518px;top: 50%;left: 50%;margin-left: -420px;margin-top: -259px;overflow: hidden;}
.n_video_m_tc_left{position: absolute;width: 79px;height: 79px;top: 50%;left: 32px;margin-top: -40px;z-index: 999;cursor: pointer;background: url(../images/n_video_m_tc_left.jpg?d=20200901180646316) no-repeat center;}
.n_video_m_tc_right{position: absolute;width: 79px;height: 79px;top: 50%;right: 32px;margin-top: -40px;z-index: 999;cursor: pointer;background: url(../images/n_video_m_tc_right.jpg?d=20200901180646316) no-repeat center;}
.n_video_m_tc .nvideo_lb_xq{display: none;}
  
}
@media screen and (min-width:1200px) and (max-width:1280px){
  .xn_c_casev_73_wrap{width:1200px;}
  .xn_c_casev_74_wbox{width:1200px;}
  
}
@media (max-width: 768px){
.n_main{overflow:unset;}
.n_content_right{background: #f7f7f7;}
.n_content_right_m {overflow: unset;}
.n_content_right_m1{width:94%;height: auto;position: relative;margin: 0 auto;}

.xn_c_casev_1_warp{width:100%;position: absolute;top: -1.6933333333333334rem;left: 0px;background: rgba(255,255,255,0.9);z-index: 99;min-height: 4.346666666666667rem;padding-top: 8%;padding-left: 4%;padding-right: 4%;padding-bottom: 4%;}
.xn_c_casev_1_CopyFrom{width:100%;height: 0.36rem;line-height: 0.36rem;font-size: 0.32rem;color: #333333;}
.xn_c_casev_1_title{width:100%;height: auto;line-height: 0.8rem;font-size: 0.64rem;color: #333333;overflow: hidden;margin-bottom: 0.5333333333333333rem;}
.xn_c_casev_1_contone{width:100%;overflow: hidden;line-height: 0.6666666666666666rem;font-size: 0.3466666666666667rem;color: #757575;}
#xn_c_casev_1_Text2{display: block;}
.xn_c_casev_1_contone1{display: block;width:auto;padding-left: 0.3333333333333333rem;height: 0.8rem;line-height: 0.7333333333333333rem;background: url(../images/xn_c_casev_1_contone1.jpg) no-repeat left center;font-size: 0.4266666666666667rem;color: #333;background-size: 0.05333333333333334rem 0.32rem;}

.xn_c_casev_2_warp{width: 94%;height: auto;margin: 0px auto 0.8rem auto;line-height: 0.6666666666666666rem;color: #757575;font-size: 0.3466666666666667rem;padding-top: 7rem;overflow: hidden;}
  .xn_c_casev_2_warp table th,.xn_c_casev_2_warp table td{border-spacing: 0;border:0px;padding:0px!important;background:none!important;}


.xn_c_casev_3_warp{width:100%;height: auto;line-height: 0.5066666666666667rem;color: #757575;margin: 0 auto;background: #fff;padding-bottom: 0.8rem;}
.xn_c_casev_3_warp_w{width:94%;margin: 0 auto;overflow: hidden;display: block;}
.xn_c_casev_3_warp table{border-collapse: collapse;}
.xn_c_casev_3_warp table th,.xn_c_casev_3_warp table td{border-spacing: 0;border:0px;}

.xn_c_casev_73_wrap{width:100%;height: auto;overflow: hidden;padding: 0 0 0.9333333333333333rem 0;}
.xn_c_casev_73_header{width:100%;height: 2.1333333333333333rem;line-height: 1.4666666666666666rem;text-align: center;overflow: hidden;color: #363636;font-size: 0.5866666666666667rem;margin: 0 auto;padding-top: 0.6666666666666666rem;}
.xn_c_casev_73_inner{width:100%;height: auto;position: relative;overflow: hidden;}
.xn_c_73_wbox{width:84%; height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_73_wbox>ul{width:100%;}
.xn_c_73_wbox>ul>li{width:8.4rem;float: left;height: auto;}
.xn_c_casev_73_img{width:100%;height: 4.746666666666667rem;margin-bottom: 0.44rem;overflow: hidden;}
.xn_c_casev_73_img img{width:100%;height: 100%;}
.xn_c_casev_73_ft{width:100%;height: auto;overflow: hidden;}
.xn_c_casev_73_name{width:100%;height: 0.9066666666666666rem;line-height: 0.9066666666666666rem;font-size: 0.48rem;color: #404040;}
.xn_c_casev_73_name a{color: #404040;}
.xn_c_casev_73_name a:hover{color: #3199ee;}
.xn_c_casev_73_neirong{width:100%;height: 2rem;line-height: 0.6666666666666666rem;font-size: 0.3466666666666667rem;color: #5A5A5A;overflow: hidden;}
.xn_c_73_prev{width:0.6666666666666666rem;height:1.4933333333333334rem;display:block;background:url(../images/swiper-button-prev22_m.png) no-repeat left center;position:absolute;left:0px;bottom:62%;cursor:pointer;z-index: 99;background-size: 0.6666666666666666rem 1.4933333333333334rem;}
.xn_c_73_prev:hover{background:url(../images/swiper-button-prev22_hover_m.png) no-repeat left center;background-size: 0.6666666666666666rem 1.4933333333333334rem;}
.xn_c_73_next{width:0.6666666666666666rem;height:1.4933333333333334rem;display:block;background:url(../images/swiper-button-next22_m.png) no-repeat right center;position:absolute;right:0px;bottom:62%;cursor:pointer;z-index: 99;background-size: 0.6666666666666666rem 1.4933333333333334rem;}
.xn_c_73_next:hover{background:url(../images/swiper-button-next22_hover_m.png) no-repeat right center;background-size: 0.6666666666666666rem 1.4933333333333334rem;}

.xn_c_casev_74_wrap{width:100%;height: auto;overflow: hidden;margin: 0 auto 0.6666666666666666rem auto;background: #fff;display:none;}
.xn_c_casev_74_header{width:100%;height: 2.1333333333333333rem;line-height: 1.4666666666666666rem;text-align: center;overflow: hidden;color: #363636;font-size: 0.5866666666666667rem;margin: 0 auto;padding-top: 0.6666666666666666rem;}
.xn_c_casev_74_inner{width:100%;height: auto;position: relative;overflow: hidden;}
.xn_c_74_wbox{width:84%; height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_74_wbox>ul{width:100%;}
.xn_c_74_wbox>ul>li{width:8.4rem;float: left;margin-right: 0.21333333333333335rem;height: auto;}
.xn_c_casev_74_img{width:100%;height: 4.746666666666667rem;overflow: hidden;position: relative;}
  .xn_c_casev_74_img:before{content:'';position:absolute;width: 1.3066666666666666rem;height: 1.3066666666666666rem;top: 50%;left: 50%;margin-top: -0.6533333333333333rem;margin-left: -0.6533333333333333rem;z-index: 5;background: url(../images/xn_c_index_275_cImg.png?d=20200901180642697) no-repeat center;cursor: pointer;background-size: 1.3066666666666666rem 1.3066666666666666rem;}
.xn_c_casev_74_img img{width:100%;height: 100%;}
.xn_c_casev_74_ft{width:100%;height: auto;overflow: hidden;}
.xn_c_casev_74_name{width:100%;height: 1.2666666666666666rem;line-height: 1.2666666666666666rem;font-size: 0.48rem;color: #404040;text-align: center;}
.xn_c_casev_74_name a{color: #404040;}
.xn_c_casev_74_name a:hover{color: #3199ee;}
.xn_c_casev_74_neirong{width:100%;height: 2rem;line-height: 0.6666666666666666rem;font-size: 0.3466666666666667rem;color: #5A5A5A;overflow: hidden;}
.xn_c_74_prev{width:0.6666666666666666rem;height:1.4933333333333334rem;display:block;background:url(../images/swiper-button-prev22_m.png) no-repeat left center;position:absolute;left:0px;bottom:45%;cursor:pointer;z-index: 99;background-size: 0.6666666666666666rem 1.4933333333333334rem;}
.xn_c_74_prev:hover{background:url(../images/swiper-button-prev22_hover_m.png) no-repeat left center;background-size: 0.6666666666666666rem 1.4933333333333334rem;}
.xn_c_74_next{width:0.6666666666666666rem;height:1.4933333333333334rem;display:block;background:url(../images/swiper-button-next22_m.png) no-repeat right center;position:absolute;right:0px;bottom:45%;cursor:pointer;z-index: 99;background-size: 0.6666666666666666rem 1.4933333333333334rem;}
.xn_c_74_next:hover{background:url(../images/swiper-button-next22_hover_m.png) no-repeat right center;background-size: 0.6666666666666666rem 1.4933333333333334rem;}
.nvideo_lb_cnt{display:none;}

.n_video_m_tc{position: fixed;top: 0;left: 0;z-index: 999;background: rgba(0,0,0,0.8);width: 100%;height: 100%;display: none;}
.n_video_m_tc_colse{position: absolute;width: 0.72rem;height: 0.72rem;cursor: pointer;bottom: 19%;left:50%;border-radius: 50%;background: url(../images/i_tcase_m_tc_colse.png?d=20200901180646316) no-repeat center #fff;transition: all 0.5s;z-index: 5;margin-left: -0.49333333333333335rem;background-size: 0.5866666666666667rem 0.5866666666666667rem;}
.n_video_m_tc_colse:hover{transform: rotate(90deg);}
.n_video_m_tc .nvideo_lb_video{display: block;}
.n_video_m_tc .xn_c_casev_74_li{display: none;display: none;width: 100%!important;height: 100%!important;position: absolute;z-index:2!important;transform: translateX(0) scale(1)!important;}
.n_video_m_tc .xn_c_casev_74_li.active{display: block;position: inherit;}
.n_video_m_tc .xn_c_casev_74_img{display: none;}
.n_video_m_tc .xn_c_casev_74_ft{width:100%;height: 100%;}
.n_video_m_tc .xn_c_casev_74_name{position: absolute;top: 50%;left: 0;width: 100%;height: 0.8rem;line-height: 0.8rem;font-size: 0.32rem;color: #fff;text-align: center;margin-top: -3.466666666666667rem;display:block;}
.n_video_m_tc .nvideo_lb_cnt{display: block;}
.n_video_m_tc iframe{display: block;position: absolute;width: 94%;height: 5.333333333333333rem;top: 50%;left: 50%;margin-left: -47%;margin-top: -2.6666666666666665rem;overflow: hidden;}
.n_video_m_tc_left{position: absolute;width: 1.0533333333333332rem;height: 1.0533333333333332rem;top: 50%;left: 0.4266666666666667rem;margin-top: -0.5333333333333333rem;z-index: 2;cursor: pointer;background: url(../images/n_video_m_tc_left.jpg?d=20200901180646316) no-repeat center;background-size: 1.0533333333333332rem 1.0533333333333332rem;}
.n_video_m_tc_right{position: absolute;width: 1.0533333333333332rem;height: 1.0533333333333332rem;top: 50%;right: 0.4266666666666667rem;margin-top: -0.5333333333333333rem;z-index: 2;cursor: pointer;background: url(../images/n_video_m_tc_right.jpg?d=20200901180646316) no-repeat center;background-size: 1.0533333333333332rem 1.0533333333333332rem;}
.n_video_m_tc .nvideo_lb_xq{display: none;}
}
@media screen and (min-width:1130px) and (max-width:1280px){
.n_main{overflow:unset;}
.n_content_right{background: #f7f7f7;}
.n_content_right_m1{width: 1000px;height: auto;position: relative;margin: 0 auto;}
.xn_c_casev_1_warp{width:805px;position: absolute;top: -125px;left: 0px;background: rgba(255,255,255,0.9);z-index: 99;min-height: 278px;padding-top: 50px;padding-left: 40px;padding-right: 40px;}
.xn_c_casev_1_CopyFrom{width:100%;height: 42px;line-height: 42px;font-size: 18px;color: #333333;}
.xn_c_casev_1_title{width:100%;height: auto;line-height: 48px;font-size: 34px;color: #333333;overflow: hidden;margin-bottom: 30px;}
.xn_c_casev_1_contone{width:100%;height: auto;overflow: hidden;line-height: 36px;font-size: 14px;color: #757575;}
#xn_c_casev_1_Text2{padding-bottom:30px;display: block;padding-right:10px;}
.xn_c_casev_1_contone1{display: block;width:auto;padding-left: 25px;height: 40px;line-height: 40px;background: url(../images/xn_c_casev_1_contone1.jpg) no-repeat left center;font-size: 20px;color: #333;}

.xn_c_casev_2_warp{width: 1000px;height: auto;margin: 0px auto 40px auto;line-height: 38px;color: #757575;font-size: 16px;padding-top: 340px;overflow: hidden;}
.xn_c_casev_2_warp table th,.xn_c_casev_2_warp table td{border-spacing: 0;border:0px;padding:0px!important;background:none!important;}
  
.xn_c_casev_4_warp{width:100%;height: auto;margin: 0px auto 60px auto;line-height: 38px;color: #757575;font-size: 16px;overflow: hidden;background:#fff;}
#xn_c_casev_4_warp_lg{width:1200px;height:auto;margin:0 auto;}
.xn_c_casev_4_warp table th,.xn_c_casev_4_warp table td{border-spacing: 0;border:0px;padding:0px!important;background:none!important;}

.xn_c_casev_3_warp{width:100%;height: auto;line-height: 38px;color: #757575;margin: 0 auto;background: #fff;padding-top: 40px;padding-bottom: 30px;}
#xn_c_casev_3_Text4{width: 1000px;margin: 0 auto;overflow: hidden;display: block;}
.xn_c_casev_3_warp table{border-collapse: collapse;}
.xn_c_casev_3_warp table th,.xn_c_casev_3_warp table td{border-spacing: 0;border:0px;}

.xn_c_casev_73_wrap{width: 1000px;height: auto;overflow: hidden;margin: 0 auto 0 auto;padding-bottom:88px;}
.xn_c_casev_73_header{width: 1000px;height: 100px;line-height: 100px;text-align: center;overflow: hidden;color: #363636;font-size: 35px;margin: 0 auto;}
.xn_c_casev_73_inner{width:100%;height: auto;position: relative;}
.xn_c_73_wbox{width:1000px;height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_73_wbox>ul>li{width:390px;float: left;height: auto;}
.xn_c_casev_73_img{width:auto;height: 210px;margin-bottom: 7px;overflow: hidden;}
.xn_c_casev_73_img img{width:100%;height: 100%;transition: all 0.5s;}
.xn_c_casev_73_img img:hover{transform: scale(1.1);}
.xn_c_casev_73_ft{width:100%;height: auto;}
.xn_c_casev_73_name{width:100%;line-height: 30px;font-size: 18px;color: #404040;overflow:hidden;padding-top: 16px;}
.xn_c_casev_73_name a{color: #404040;}
.xn_c_casev_73_name a:hover{color: #3199ee;}
.xn_c_casev_73_neirong{width:100%;height: 90px;line-height: 30px;font-size: 14px;color: #333333;overflow: hidden;}
.xn_c_73_prev,.xn_c_73_next{position: absolute;width: 39px;height: 66px;opacity: 1!important;overflow: hidden;text-indent: -99em;cursor: pointer;transition: all 0.5s;box-shadow: 0 0 10px -5px #a2a2a2;z-index:5;display:block;top: 22%;}
.xn_c_73_prev{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff70!important;left: 5px!important;}
.xn_c_73_next{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff70!important;right: 5px!important;}
.xn_c_73_prev:hover{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff!important;left: 5px!important;}
.xn_c_73_next:hover{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff!important;right: 5px!important;}

.xn_c_casev_74_wrap{width:100%;height: auto;overflow: hidden;margin: 0 auto 50px;background: #fff;display:none;}
.xn_c_casev_74_header{width:1000px;height: 100px;line-height: 100px;text-align: center;overflow: hidden;color: #363636;font-size: 35px;margin: 0 auto;padding-top: 23px;}
.xn_c_casev_74_inner{width:100%;height: auto;position: relative;}
.xn_c_casev_74_wbox{width:1000px;height: auto;margin: 0 auto;}
.xn_c_74_wbox{width:1000px;height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_74_wbox>ul>li{width:390px;float: left;margin-right: 16px;height: auto;position: relative;}
.xn_c_casev_74_img{width:auto;height: 210px;margin-bottom: 7px;overflow: hidden;position: relative;cursor: pointer;}
.xn_c_casev_74_img:before{content:'';position:absolute;top:50%;left:50%;z-index: 9;width: 98px;height: 98px;margin: -46px 0 0 -46px;background:url(../images/xn_c_index_275_cImg.png) no-repeat center;}
.xn_c_casev_74_img img{width:100%;height: 100%;transition: all 0.5s;}
.xn_c_casev_74_img:hover img{transform: scale(1.1);}
.xn_c_casev_74_ft{width:100%;height: auto;}
.xn_c_casev_74_name{width:100%;line-height: 30px;font-size: 18px;color: #404040;overflow:hidden;padding-top: 16px;text-align: center;}
.xn_c_casev_74_name a{color: #404040;}
.xn_c_casev_74_name a:hover{color: #3199ee;}
.xn_c_74_prev,.xn_c_74_next{position: absolute;width: 39px;height: 66px;opacity: 1!important;overflow: hidden;text-indent: -99em;cursor: pointer;transition: all 0.5s;box-shadow: 0 0 10px -5px #a2a2a2;z-index:5;display:block;top: 22%;}
.xn_c_74_prev{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff70!important;left: 5px!important;}
.xn_c_74_next{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff70!important;right: 5px!important;}
.xn_c_74_prev:hover{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff!important;left: 5px!important;}
.xn_c_74_next:hover{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff!important;right: 5px!important;}


.nvideo_lb .nvideo_lb_mright{display: none;}
.n_video_m_tc{position: fixed;top: 0;left: 0;z-index: 999;background: rgba(0,0,0,0.8);width: 100%;height: 100%;display: none;}
.n_video_m_tc_colse{position: absolute;width: 54px;height: 54px;cursor: pointer;top: 50%;left:45%;border-radius: 50%;background: url(../images/i_tcase_m_tc_colse.png?d=20200901180646316) no-repeat center #fff;transition: all 0.5s;z-index: 1200;margin-top: -231px;margin-left: 441px;}
.n_video_m_tc_colse:hover{transform: rotate(90deg);}
.n_video_m_tc .nvideo_lb_video{display: block;}
.n_video_m_tc .xn_c_casev_74_li{display: none;}
.n_video_m_tc .xn_c_casev_74_li.active{display: block;position: inherit;}
.n_video_m_tc .xn_c_casev_74_img{display: none;}
.n_video_m_tc .xn_c_casev_74_ft{width:100%;height: 100%;display:block;}
.n_video_m_tc .xn_c_casev_74_name{position: absolute;top: 50%;left: 0;width: 100%;height: 60px;line-height: 60px;font-size: 24px;color: #fff;text-align: center;margin-top: -320px;z-index: 1000;}
.n_video_m_tc .nvideo_lb_cnt{display:block;position: absolute;width: 1012px;height: 32px;top: 50%;left: 50%;margin-left: -506px;font-size: 16px;color: #fff;text-align: center;line-height: 32px;}
.n_video_m_tc iframe{display: block;position: absolute;width: 700px;height: 450px;top: 50%;left: 50%;margin-left: -350px;margin-top: -225px;overflow: hidden}
.n_video_m_tc_left{position: absolute;width: 79px;height: 79px;top: 50%;left: 32px;margin-top: -40px;z-index: 999;cursor: pointer;background: url(../images/n_video_m_tc_left.jpg?d=20200901180646316) no-repeat center;}
.n_video_m_tc_right{position: absolute;width: 79px;height: 79px;top: 50%;right: 32px;margin-top: -40px;z-index: 999;cursor: pointer;background: url(../images/n_video_m_tc_right.jpg?d=20200901180646316) no-repeat center;}
.n_video_m_tc .nvideo_lb_xq{display: none;}
}
@media screen and (min-width:1000px) and (max-width:1129px){
.n_main{overflow:unset;}
.n_content_right{background: #f7f7f7;}
.n_content_right_m1{width: 1000px;height: auto;position: relative;margin: 0 auto;}
.xn_c_casev_1_warp{width:805px;position: absolute;top: -125px;left: 0px;background: rgba(255,255,255,0.9);z-index: 99;min-height: 278px;padding-top: 50px;padding-left: 40px;padding-right: 40px;}
.xn_c_casev_1_CopyFrom{width:100%;height: 42px;line-height: 42px;font-size: 18px;color: #333333;}
.xn_c_casev_1_title{width:100%;height: auto;line-height: 48px;font-size: 34px;color: #333333;overflow: hidden;margin-bottom: 30px;}
.xn_c_casev_1_contone{width:100%;height: auto;overflow: hidden;line-height: 36px;font-size: 14px;color: #757575;}
#xn_c_casev_1_Text2{padding-bottom:30px;display: block;padding-right:10px;}
.xn_c_casev_1_contone1{display: block;width:auto;padding-left: 25px;height: 40px;line-height: 40px;background: url(../images/xn_c_casev_1_contone1.jpg) no-repeat left center;font-size: 20px;color: #333;}

.xn_c_casev_2_warp{width: 1000px;height: auto;margin: 0px auto 40px auto;line-height: 38px;color: #757575;font-size: 16px;padding-top: 340px;overflow: hidden;}
.xn_c_casev_2_warp table th,.xn_c_casev_2_warp table td{border-spacing: 0;border:0px;padding:0px!important;background:none!important;}
  
.xn_c_casev_4_warp{width:100%;height: auto;margin: 0px auto 60px auto;line-height: 38px;color: #757575;font-size: 16px;overflow: hidden;background:#fff;}
#xn_c_casev_4_warp_lg{width:1200px;height:auto;margin:0 auto;}
.xn_c_casev_4_warp table th,.xn_c_casev_4_warp table td{border-spacing: 0;border:0px;padding:0px!important;background:none!important;}

.xn_c_casev_3_warp{width:100%;height: auto;line-height: 38px;color: #757575;margin: 0 auto;background: #fff;padding-top: 40px;padding-bottom: 30px;}
#xn_c_casev_3_Text4{width: 1000px;margin: 0 auto;overflow: hidden;display: block;}
.xn_c_casev_3_warp table{border-collapse: collapse;}
.xn_c_casev_3_warp table th,.xn_c_casev_3_warp table td{border-spacing: 0;border:0px;}

.xn_c_casev_73_wrap{width: 1000px;height: auto;overflow: hidden;margin: 0 auto 0 auto;padding-bottom:88px;}
.xn_c_casev_73_header{width: 1000px;height: 100px;line-height: 100px;text-align: center;overflow: hidden;color: #363636;font-size: 35px;margin: 0 auto;}
.xn_c_casev_73_inner{width:100%;height: auto;position: relative;}
.xn_c_73_wbox{width:1000px;height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_73_wbox>ul>li{width:390px;float: left;height: auto;}
.xn_c_casev_73_img{width:auto;height: 210px;margin-bottom: 7px;overflow: hidden;}
.xn_c_casev_73_img img{width:100%;height: 100%;transition: all 0.5s;}
.xn_c_casev_73_img img:hover{transform: scale(1.1);}
.xn_c_casev_73_ft{width:100%;height: auto;}
.xn_c_casev_73_name{width:100%;line-height: 30px;font-size: 18px;color: #404040;overflow:hidden;padding-top: 16px;}
.xn_c_casev_73_name a{color: #404040;}
.xn_c_casev_73_name a:hover{color: #3199ee;}
.xn_c_casev_73_neirong{width:100%;height: 90px;line-height: 30px;font-size: 14px;color: #333333;overflow: hidden;}
.xn_c_73_prev,.xn_c_73_next{position: absolute;width: 39px;height: 66px;opacity: 1!important;overflow: hidden;text-indent: -99em;cursor: pointer;transition: all 0.5s;box-shadow: 0 0 10px -5px #a2a2a2;z-index:5;display:block;top: 22%;}
.xn_c_73_prev{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff70!important;left: 5px!important;}
.xn_c_73_next{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff70!important;right: 5px!important;}
.xn_c_73_prev:hover{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff!important;left: 5px!important;}
.xn_c_73_next:hover{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff!important;right: 5px!important;}

.xn_c_casev_74_wrap{width:100%;height: auto;overflow: hidden;margin: 0 auto 50px;background: #fff;display:none;}
.xn_c_casev_74_header{width:1000px;height: 100px;line-height: 100px;text-align: center;overflow: hidden;color: #363636;font-size: 35px;margin: 0 auto;padding-top: 23px;}
.xn_c_casev_74_inner{width:100%;height: auto;position: relative;}
.xn_c_casev_74_wbox{width:1000px;height: auto;margin: 0 auto;}
.xn_c_74_wbox{width:1000px;height: auto;margin: 0 auto;overflow: hidden;}
.xn_c_74_wbox>ul>li{width:390px;float: left;margin-right: 16px;height: auto;position: relative;}
.xn_c_casev_74_img{width:auto;height: 210px;margin-bottom: 7px;overflow: hidden;position: relative;cursor: pointer;}
.xn_c_casev_74_img:before{content:'';position:absolute;top:50%;left:50%;z-index: 9;width: 98px;height: 98px;margin: -46px 0 0 -46px;background:url(../images/xn_c_index_275_cImg.png) no-repeat center;}
.xn_c_casev_74_img img{width:100%;height: 100%;transition: all 0.5s;}
.xn_c_casev_74_img:hover img{transform: scale(1.1);}
.xn_c_casev_74_ft{width:100%;height: auto;}
.xn_c_casev_74_name{width:100%;line-height: 30px;font-size: 18px;color: #404040;overflow:hidden;padding-top: 16px;text-align: center;}
.xn_c_casev_74_name a{color: #404040;}
.xn_c_casev_74_name a:hover{color: #3199ee;}
.xn_c_74_prev,.xn_c_74_next{position: absolute;width: 39px;height: 66px;opacity: 1!important;overflow: hidden;text-indent: -99em;cursor: pointer;transition: all 0.5s;box-shadow: 0 0 10px -5px #a2a2a2;z-index:5;display:block;top: 22%;}
.xn_c_74_prev{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff70!important;left: 5px!important;}
.xn_c_74_next{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff70!important;right: 5px!important;}
.xn_c_74_prev:hover{background: url(../images/banner-prev.png?d=20200901180642697) no-repeat center #ffffff!important;left: 5px!important;}
.xn_c_74_next:hover{background: url(../images/banner-next.png?d=20200901180642697) no-repeat center #ffffff!important;right: 5px!important;}


.nvideo_lb .nvideo_lb_mright{display: none;}
.n_video_m_tc{position: fixed;top: 0;left: 0;z-index: 999;background: rgba(0,0,0,0.8);width: 100%;height: 100%;display: none;}
.n_video_m_tc_colse{position: absolute;width: 54px;height: 54px;cursor: pointer;top: 50%;left:45%;border-radius: 50%;background: url(../images/i_tcase_m_tc_colse.png?d=20200901180646316) no-repeat center #fff;transition: all 0.5s;z-index: 1200;margin-top: -231px;margin-left: 441px;}
.n_video_m_tc_colse:hover{transform: rotate(90deg);}
.n_video_m_tc .nvideo_lb_video{display: block;}
.n_video_m_tc .xn_c_casev_74_li{display: none;}
.n_video_m_tc .xn_c_casev_74_li.active{display: block;position: inherit;}
.n_video_m_tc .xn_c_casev_74_img{display: none;}
.n_video_m_tc .xn_c_casev_74_ft{width:100%;height: 100%;display:block;}
.n_video_m_tc .xn_c_casev_74_name{position: absolute;top: 50%;left: 0;width: 100%;height: 60px;line-height: 60px;font-size: 24px;color: #fff;text-align: center;margin-top: -320px;z-index: 1000;}
.n_video_m_tc .nvideo_lb_cnt{display:block;position: absolute;width: 1012px;height: 32px;top: 50%;left: 50%;margin-left: -506px;font-size: 16px;color: #fff;text-align: center;line-height: 32px;}
.n_video_m_tc iframe{display: block;position: absolute;width: 700px;height: 450px;top: 50%;left: 50%;margin-left: -350px;margin-top: -225px;overflow: hidden}
.n_video_m_tc_left{position: absolute;width: 79px;height: 79px;top: 50%;left: 32px;margin-top: -40px;z-index: 999;cursor: pointer;background: url(../images/n_video_m_tc_left.jpg?d=20200901180646316) no-repeat center;}
.n_video_m_tc_right{position: absolute;width: 79px;height: 79px;top: 50%;right: 32px;margin-top: -40px;z-index: 999;cursor: pointer;background: url(../images/n_video_m_tc_right.jpg?d=20200901180646316) no-repeat center;}
.n_video_m_tc .nvideo_lb_xq{display: none;}
}