.ykt_helpcenter .gobackBtn-1{position:fixed;right:53px;top:10px;z-index:2000;padding:2px 10px}.ykt_helpcenter .gobackBtn-1 .yk-icon-fanhui2{font-size:29px}.ykt_helpcenter .gobackBtn-1 span{vertical-align:2px;font-size:16px}.ykt_helpcenter .PreviewResourcces-s-s{position:fixed;top:0;left:0;z-index:2000;background-color:#000;width:100%;height:100%;overflow:auto;padding:0 5%}.ykt_helpcenter .PreviewResourcces-s-s .icon-closeimg{size:26px;position:fixed;top:20px;right:20px;font-size:35px;cursor:pointer;font-weight:bolder}.ykt_helpcenter .hc_all{background-color:#364256;overflow-x:hidden;margin-top:0}.ykt_helpcenter .hc_hd{height:30px;width:100%}.ykt_helpcenter .hc_head{background-image:url(../../static/img/head_bg.199e2117.png);height:250px;background-size:100% 100%;-moz-background-size:100% 100%;-webkit-background-size:100% 100%;text-align:center;line-height:240px}.ykt_helpcenter .hc_li{display:inline;margin:0 auto;list-style:none}.ykt_helpcenter .hc_img{width:100%;height:200px}.ykt_helpcenter .hc_input{height:26px;width:250px;border-radius:5px}.ykt_helpcenter .hc_btn{line-height:32px;border:0;background-color:#409eff;color:#fff;border-radius:5px;padding:0 10px 0 20px;letter-spacing:10px}.ykt_helpcenter .hc_h2{color:#fff;font-size:24px;text-align:center;margin:40px}.ykt_helpcenter .hc_middle{margin:0 300px 0 300px;background-color:#3f5880;height:500px;border-radius:10px}.ykt_helpcenter .hc_tabs{float:left;list-style:none;width:300px;height:500px;margin:0;padding:0}.ykt_helpcenter .tabs_li{width:250px;height:200px;margin-top:50px}.ykt_helpcenter .hc_tabs .on{border-left:6px solid #409eff}.ykt_helpcenter .hc_tabs .off,.ykt_helpcenter .hc_tabs .on{width:250px;height:200px;padding-top:50px;border-radius:10px 0 0 10px}.ykt_helpcenter .hc_tabs .off{background-color:#283040}.ykt_helpcenter .hide{float:right;height:500px;width:800px;display:none}.ykt_helpcenter .hide_li{color:#409eff;float:left;width:38%;margin-top:30px;font-size:22px;margin-left:70px}.ykt_helpcenter .hide_li a{color:#fff;text-decoration:none;font-size:18px}.ykt_helpcenter .tabs_p{padding:0;width:50px;height:50px;line-height:50px;border-radius:50%;background-color:#409eff;text-align:center;margin:0 auto;color:#fff;font-size:20px}.ykt_helpcenter .tabs_h2{text-align:center;color:#fff;font-size:18px;margin-top:55px}.ykt_helpcenter .hc_video{width:100%;height:500px}.ykt_helpcenter .video_ul{margin:0;padding:0 40px 0 40px;height:500px}.ykt_helpcenter .video_li{float:left;width:24.7%;margin:0 50px 0 50px;border-radius:10px;background-color:#3c4c66;height:320px;list-style:none}.ykt_helpcenter .video_veo{width:90%;height:210px;background-color:#283040;border-radius:10px;margin:5%}.ykt_helpcenter .video_span{margin:0 0 25px 40px;color:#fff;font-size:16px;display:block}.ykt_helpcenter .hc_page{width:240px;height:100px;margin:0 auto}.ykt_helpcenter .page_ul{margin:0;padding:0}.ykt_helpcenter .page_li{width:28px;height:28px;margin:40px 10px 0 10px;background-color:#fff;border-radius:4px;list-style:none;float:left}.ykt_helpcenter .page_a{color:#293141;line-height:28px;height:28px;text-align:center;text-decoration:none;display:block;border-radius:4px}.ykt_helpcenter .page_a:hover{background-color:#409eff}.ykt_helpcenter .hc_Feedback_h2{text-align:center;color:#fff;font-size:24px;margin-top:55px;margin-bottom:0}.ykt_helpcenter .hc_h3{text-align:center;color:#fff;font-size:12px;margin-top:10px;margin-bottom:35px;font-weight:400}.ykt_helpcenter .hc_Feedback{width:550px;height:330px;background-color:#3c4c66;margin:0 auto;border-radius:6px;padding:20px 40px 20px 40px;margin-bottom:60px}.ykt_helpcenter .Feedback_ul{margin:0;padding:0}.ykt_helpcenter .Feedback_li{margin-bottom:20px;list-style:none}.ykt_helpcenter .Feedback_span{color:#fff;font-size:14px;padding-right:10px;margin-bottom:20px}.ykt_helpcenter .Feedback_sel{width:120px;border-radius:5px;height:22px;color:#727171;font-size:12px}.ykt_helpcenter .Feedback_put{width:160px;border-radius:5px;height:18px;padding:0}.ykt_helpcenter .Feedback_text{height:150px;width:100%;border-radius:5px;font-size:16px}.ykt_helpcenter .Feedback_btn{background-color:#357ae8;text-align:center;width:120px;height:30px;margin:0 auto;display:block;color:#fff;border:0;border-radius:5px}.ykt_helpcenter .Feedback_p{margin:0;text-align:center;font-size:15px;color:#fff}.ykt_helpcenter .hc_icon-one{bottom:120px;border-radius:10px 0 0 0;height:60px}.ykt_helpcenter .hc_icon-one,.ykt_helpcenter .hc_icon-two-back-top{position:fixed;z-index:1;overflow:hidden;right:0;background-color:#dcdddd;width:55px}.ykt_helpcenter .hc_icon-two-back-top{bottom:62px;border-radius:0 0 0 10px;height:58px;text-align:center;line-height:58px;border-top:1px solid grey}.ykt_helpcenter .icon_aone{margin:0 7px;padding:10px 0 7px 0;text-align:center;display:block;cursor:pointer}.ykt_helpcenter .icon_atwo{padding-top:18px;display:block;text-align:center;border-top:1px solid #364256;cursor:pointer}.ykt_helpcenter .ready{display:inline}.ykt_helpcenter .icon_imgone{width:43px;height:40px}.ykt_helpcenter .icon_imgtwo{width:30px;height:15px}.ykt_helpcenter .hc_footer{position:absolute;width:100%;background:#202b40;text-align:center;color:#fff;padding:5px 0;font-size:14px}