.mcv-lesson-body,.mcv_lesson-template-default.single.single-mcv_lesson{background-color:#1b2128!important;color:#000;font-family:-apple-system,BlinkMacSystemFont,Microsoft YaHei UI,Microsoft YaHei,Roboto,Hiragino Sans GB,Source Han Sans CN,Fira Sans,Droid Sans,Helvetica Neue,arial,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol;font-size:14px;line-height:1.5;margin:0;min-height:100%;overflow:hidden}.mcv_lesson-template-default.single.single-mcv_lesson li,.mcv_lesson-template-default.single.single-mcv_lesson ul{margin:0}.mcv-lesson-body button{background:transparent!important}.qrtips{position:relative}.qrpop{background-color:#fff;border-radius:12px;box-sizing:border-box;color:#8797a1!important;font-size:14px;left:-98px;opacity:.95;padding:24px;position:absolute;top:56px;width:196px;z-index:99}.qrpop img{height:148px;margin:0;width:148px}.qrpop:before{background:#fff;border-right-color:transparent;border-top-color:transparent;content:"";height:10px;left:93px;position:absolute;top:-5px;transform:rotate(45deg);width:10px}aside,section{display:block;margin:0;padding:0!important}.sign-tips{border-radius:0 0 5px 5px;box-sizing:border-box;display:block;font-size:16px;line-height:22px;margin-left:15px;margin-top:0;padding-top:10px;position:relative;z-index:1}.sign-tips>section{float:left}.sign-tips.applied-tip{padding-left:10px;padding-top:16px}.sign-tips .applied-text{vertical-align:middle}.sign-tips .i-custom-tick{border:2px solid #bbb;border-left:0;border-top:0;display:inline-block;height:12px;margin-right:12px;transform:rotate(45deg);vertical-align:middle;width:5px}.sign-tips.header-item.hidden{display:none}.sign-tips .tip-section--wrapper{height:126px;position:absolute;width:293px}.sign-tips .tip-section--wrapper.hidden{display:none}.sign-tips .tip-section{background:#fff;border-radius:2px;box-shadow:0 0 4px 0 rgba(0,0,0,.25);box-sizing:border-box;color:#000;left:63px;margin:10px 0;padding:24px 20px;position:absolute;text-align:center;top:40px;transform:translateX(-50%);transform-origin:50% 100%;width:100%}.sign-tips .tip-section .icon-css-cross{color:#bbb;cursor:pointer;font-size:20px;font-weight:700;line-height:1;position:absolute;right:14px;top:8px}.sign-tips .tip-section .tip-tt{font-size:20px;font-weight:700;margin:0}.sign-tips .tip-section .tip-bd{font-size:14px;margin:6px 0 0}.sign-tips .tip-section .tip-bd,.sign-tips .tip-section .tip-tt{position:relative;transition:all .3s ease .5s}.sign-tips .tip-section:after{border-color:transparent #fff transparent transparent;border-style:solid;border-width:9px 17px;content:"";display:block;height:0;left:119px;position:absolute;top:-8px;width:0}.sign-tips .tip-section.inited{height:0;opacity:0;width:0}.sign-tips .tip-section.inited .i-close{opacity:0}.sign-tips .tip-section.inited .tip-bd,.sign-tips .tip-section.inited .tip-tt{bottom:-24px;opacity:0}.sign-tips .tip-section.active{height:100%;opacity:1;transition:all .3s cubic-bezier(0,0,.01,.99)}.sign-tips .tip-section.active .i-close,.sign-tips .tip-section.active .tip-bd,.sign-tips .tip-section.active .tip-tt{opacity:1;transition:all .3s ease .5s}.sign-tips .tip-section.active .tip-bd,.sign-tips .tip-section.active .tip-tt{bottom:0}.sign-tips .tip-section.closed{opacity:0;transform:translateX(-50%) scale(.01);transform-origin:50% 100%;transition:all .2s cubic-bezier(1,0,1,1)}.sign-tips .btn-apply{background:#23b8ff;border:none;color:#fff;cursor:pointer;font-size:18px;height:50px;outline:none;width:293px}.sign-tips .btn-apply:hover{background:#12a7ff}.sign-tips .btn-apply:active{background:#099bff}.sign-tips .sign-btn{font-size:0;height:40px;position:relative}.sign-tips .sign-btn.disabled{background-color:#777;color:#ddd;opacity:1;pointer-events:none}.sign-tips .sign-btn.disabled:hover{background-color:#777}.sign-tips .sign-btn span{font-size:16px;vertical-align:middle}.sign-tips .sign-btn .icon-css-plus{height:24px;width:24px}.sign-tips .sign-btn .icon-css-plus:before{width:12px}.sign-tips .sign-btn .icon-css-plus:after{height:12px}.sign-tips .ad-sign-btn{padding:0 16px}.sign-tips.cloud-desktop section .sign-btn{background-color:#2080f7}.icon-css-ok{background-color:#08cb6a;border-radius:50%;color:#fff;display:inline-block;font-size:18px;height:24px;line-height:24px;position:relative;text-align:center;vertical-align:middle;width:24px}.icon-css-ok:after{border-bottom:1px solid;border-left:1px solid;content:"";height:2px;left:50%;margin-top:-1px;position:absolute;top:50%;transform:translate(-50%,-50%) rotate(-52deg) scale(2);width:5px}.mcv-breadcrumb{align-items:center;background-color:#1b2128;color:var(--normalText);display:inline-flex;height:auto;line-height:20px;margin-left:auto;margin-right:auto;max-width:calc(100% - 88px);padding:20px 15px}.mcv-breadcrumb a{color:var(--normalText);display:inline-block;font-size:14px;overflow:hidden;text-decoration:none;text-overflow:ellipsis;transition:.3s;vertical-align:middle;white-space:nowrap}.mcv-breadcrumb a:hover{color:#2080f7}.mcv-breadcrumb span{align-items:center;display:flex;margin-left:8px;margin-right:8px}.header-item.etc .icon-css-dots{cursor:pointer;margin:0 -10px;transform:scale(.5)}.header-item.etc ul.etc-menu{background-color:#0f1419;border-radius:12px;font-size:14px;left:-24px;opacity:.95;padding:0 24px 24px;position:absolute;text-align:left;top:56px}.header-item.etc ul.etc-menu.hidden{display:none}.header-item.etc ul.etc-menu:before{background-color:#0f1419;border-right-color:transparent;border-top-color:transparent;content:"";height:10px;left:40px;position:absolute;top:-5px;transform:rotate(45deg);width:10px}.header-item.etc ul.etc-menu li{font-size:14px;font-weight:500;line-height:20px;margin-top:24px;white-space:nowrap}.header-item.etc ul.etc-menu li .clickable,.header-item.etc ul.etc-menu li a{color:#c8d2d9;cursor:pointer}.header-item.etc ul.etc-menu li .clickable:hover,.header-item.etc ul.etc-menu li a:hover{color:#fff}.header-item.etc ul.etc-menu li:last-child{border-bottom:0}.header-item.profile .s-avatar{cursor:pointer;display:inline-block;height:30px;vertical-align:middle}.s-avatar .img--full-radius{border-radius:50%}.header-item.profile ul.profile-menu{background-color:#0f1419;border-radius:12px;font-size:14px;left:-24px;opacity:.95;padding:0 24px 24px;position:absolute;top:56px;z-index:99}.header-item.profile ul.profile-menu.hidden{display:none}.header-item.profile ul.profile-menu:before{background:#0f1419;border-right-color:transparent;border-top-color:transparent;content:"";height:10px;left:50px;position:absolute;top:-5px;transform:rotate(45deg);width:10px}.header-item.profile ul.profile-menu li{color:#c8d2d9;font-size:14px;font-weight:500;line-height:20px;list-style:none;margin-top:24px!important;white-space:nowrap}.header-item.profile ul.profile-menu li a,.header-item.profile ul.profile-menu li span{color:#c8d2d9;cursor:pointer}.header-item.profile ul.profile-menu li a:hover,.header-item.profile ul.profile-menu li span:hover{color:#fff}.study-header .current-task-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.study-header{background:#1b2128;color:#8797a1;height:60px;position:relative;-webkit-user-select:none;-moz-user-select:none;user-select:none;width:100%;z-index:2002}.study-header .header-item{display:inline-block;height:100%;text-align:center;vertical-align:middle}.study-header .current-task-name{font-size:16px;line-height:60px;margin-left:20px;max-width:400px;text-align:left}.study-header .operations{font-size:14px;line-height:30px;position:absolute;right:15px;top:0}.study-header .operations .header-item{padding:15px;position:relative}.study-header .operations .header-item a{color:inherit;text-decoration:none}.study-header .operations .header-item:hover{color:#fff;cursor:pointer}.study-header .operations .header-item.contact{cursor:pointer}.study-header .operations .header-item.gray{color:#666;cursor:default}.study-header .li-item .header-item.complain{display:none}.study-header .red-tip{background-color:red;border-radius:5px;display:none;height:6px;position:absolute;right:-6px;top:-6px;width:6px}.study-header .operations .nav-comment-wrapper{display:inline-block}.study-header .mcv-progress{background:#2080f7;bottom:0;height:2px;position:absolute;transition:width 1s;width:0;z-index:9}.mcv-anchor{position:absolute;right:180px}.mcv-anchor-list{max-height:calc(100vh - 120px);overflow:auto;position:fixed;top:100px}.mcv-anchor-list .mcv-anchor-inner{overflow:auto;position:relative;width:180px}.mcv-anchor-line-slider{background-color:#212227;height:12px;left:0;margin-top:9.0005px;position:absolute;top:0;transition:top .2s cubic-bezier(.34,.69,.1,1);width:2px;z-index:1}.mcv-anchor-list .mcv-anchor-list-inner{margin-left:6px;position:relative}.mcv-anchor-list .mcv-anchor-list-inner:before{background-color:#e5e6eb;content:"";height:100%;left:-6px;position:absolute;width:2px}.mcv-anchor-list .mcv-anchor-link,.mcv-anchor-list .mcv-anchor-link.mcv-anchor-link-active{margin-bottom:2px}.mcv-anchor-list .mcv-anchor-link-title{border-radius:2px;color:#4e5969;cursor:pointer;display:block;font-size:14px;font-weight:500;line-height:1.5715;margin-bottom:2px;overflow:hidden;padding:4px 8px;text-align:left;text-decoration:none;text-overflow:ellipsis;transition:all .1s linear;white-space:nowrap}.mcv-anchor-link-active .mcv-anchor-link-title{color:#1d1d1d;transition:all .1s linear}.video-wrap{height:100%;width:100%}.video-wrap .sign-btn{display:block;margin:0 auto;position:relative;width:130px}.video-wrap .sign-btn.disabled,.video-wrap .sign-btn.disabled:hover{background-color:#777}.video-wrap .video-stop-wrap{background-repeat:no-repeat;background-size:cover;background:#000;background:rgba(0,0,0,.4);height:100%;left:0;position:absolute;top:0;width:100%;z-index:2000}.video-wrap .video-stop-wrap .strong-stop-wrap{height:184px;left:50%;margin-left:-331px;margin-top:-92px;position:relative;top:50%;width:662px}.video-wrap .video-stop-wrap .stop-wrap-title{color:#fff;display:inline-block;font-size:20px;height:48px;line-height:48px;margin:0 auto 40px;overflow:hidden;padding:0 81px;position:relative;text-align:center;width:100%}.video-wrap .video-stop-wrap .im-btn .icon-css,.video-wrap .video-stop-wrap .im-btn span{vertical-align:middle}.video-wrap .video-stop-wrap .im-btn .icon-css{height:24px;width:24px}.video-wrap .video-stop-wrap .im-btn .icon-css-plus:after{height:12px}.video-wrap .video-stop-wrap .im-btn .icon-css-plus:before{width:12px}.video-wrap .video-ctn,.video-wrap .video-ctn .tcplayer{height:100%;width:100%}.live-header-ctn,.study-body{display:flex}.study-body{bottom:0;flex-direction:column;left:0;position:absolute;right:360px;transition:right .5s}.study-body.ml{left:350px}.study-body.client{top:0}.study-body.dragging{transition:none}.study-body.is-web-full-screen{z-index:2022}.study-body.is-web-full-screen .touchpoint-widget,.study-body.is-web-full-screen .video-stop-wrap{position:fixed}.study-body.is-web-full-screen .copyright-marquee-tips-container{position:fixed;z-index:2011}.study-body .replay-expired-hint{color:#fff;font-size:18px;height:50px;left:50%;line-height:50px;position:absolute;text-align:center;top:50%;transform:translate(-50%,-50%);width:100%;z-index:11}.study-body .banner-container{background:#000;height:55px;left:0;opacity:.8;padding:15px 20px;position:absolute;top:0;width:100%;z-index:300}.study-body .banner-container .btn-default{font-size:12px;height:25px;line-height:17px;margin:0 10px 0 20px;text-align:center;width:104px}.study-body .banner-container .btn-default.btn-download{background-color:transparent;border:1px solid #188eee;color:#188eee;margin-right:24px}.study-body .banner-container .btn-default.btn-download:hover{background-color:transparent;border-color:#147de2;color:#147de2}.study-body .banner-container .banner-word{color:#fff;font-size:14px;font-weight:400;line-height:20px}.ke_overlay{background:#000;bottom:0;left:0;position:absolute;right:360px;text-align:center;top:60px;-webkit-user-select:none;-moz-user-select:none;user-select:none;z-index:100}.ke_overlay.ml{left:350px}.ke_overlay.mr{right:360px}.ke_overlay.cover-reach-top,.ke_overlay.pre{top:0}.ke_overlay .join-live-btn{margin-top:30px}.ke_overlay .next-name{background:#000;background:rgba(0,0,0,.7);border-radius:24px;color:#fff;display:inline-block;font-size:20px;height:48px;line-height:48px;overflow:hidden;padding:0 81px}.ke_overlay_content{position:absolute;top:32%;width:100%}.ke_overlay_content.loading{top:50%;transform:translateY(-50%)}.ke_overlay_content.loading .ke_loading{height:54px;margin:0 auto;padding:0;width:54px}.ke_overlay_content.loading .ke_loading.s-loading .s-loading-icon{background-size:54px 54px;height:54px;width:54px}.ke_overlay_content.loading .loading_wording{color:#a1a9b2;font-size:14px;font-weight:400;line-height:20px;margin-top:10px;text-align:center}.ke_overlay_content.flashUnInstall{color:#fff}.ke_overlay_content.flashUnInstall p{margin-top:20px}.ke_overlay_content .course{color:#999;font-size:18px;margin-bottom:30px}.ke_overlay_content .title{color:#ccc;font-size:24px;overflow:hidden;text-indent:.5em;text-overflow:ellipsis;white-space:nowrap}.ke_overlay_content .title .icon-tips{color:#fff;margin-bottom:3px;margin-right:5px}.ke_overlay_content .title.clickable{cursor:pointer}.ke_overlay_content .title.clickable:hover{color:#fff}.ke_overlay_content .next-lesson{color:#999;font-size:16px;padding:16px 0 0}.ke_overlay_content .time-block{color:#ccc;font-size:20px;margin-top:20px;text-align:center}.ke_overlay_content .time-block .i-time{display:inline-block;font-size:24px;margin-right:10px}.ke_overlay_content .time-block .time{color:#e75407;display:inline-block;font-size:20px;margin:0 5px;text-align:center}.ke_overlay_content .pay-info .link{color:#999;display:inline-block;font-size:16px;padding:25px 0 0;text-decoration:none}.ke_overlay_content .pay-info .link:hover{color:#039ae3}.ke_overlay_content .pay-info .pay{color:#e85206;display:block;font-size:18px;padding:5px 0 20px}.ke_overlay_content p.next{color:#999;font-size:18px;margin:25px 0!important}.ke_overlay_content .btn-wrap{margin-top:25px}.ke_overlay_content .btn-wrap .btn{border-radius:4px;cursor:pointer;display:inline-block;font-size:18px;height:48px;line-height:48px;padding:0;text-decoration:none;-webkit-user-select:none;-moz-user-select:none;user-select:none;vertical-align:middle;width:170px}.ke_overlay_content .btn-wrap .btn.next-btn{background-color:#08cb6a;background-color:#23b8ff;color:#fff}.ke_overlay_content .btn-wrap .btn.next-btn:hover{background-color:#12a7ff}.ke_overlay_content .btn-wrap .btn.pay-btn{background-color:#08cb6a;background-color:#23b8ff;border:1px solid #23b8ff;color:#fff}.ke_overlay_content .btn-wrap .btn.pay-btn:hover{background-color:#12a7ff;border:1px solid #12a7ff}.ke_overlay_content .btn-wrap .btn.pay-btn.disabled{background-color:#777;border:none;color:#ddd;pointer-events:none}.ke_overlay_content .btn-wrap .btn.pay-btn.disabled:hover{background-color:#777}.ke_overlay_content .btn-wrap .btn.consult-btn,.ke_overlay_content .btn-wrap .btn.replay-btn{background-color:transparent;border:1px solid #666;color:#999;margin-left:20px}.ke_overlay_content .btn-wrap .btn.consult-btn .icon-font,.ke_overlay_content .btn-wrap .btn.replay-btn .icon-font{font-size:22px;margin-right:5px;vertical-align:baseline}.ke_overlay_content .btn-wrap .btn.consult-btn:hover,.ke_overlay_content .btn-wrap .btn.replay-btn:hover{background-color:#333;border:1px solid #666}.ke_overlay_content .download-tips{color:#999;font-size:16px;margin-top:50px!important}.ke_overlay_content .download-tips a{color:#fff;margin-left:5px;text-decoration:underline}.ke_overlay_content .txp_support{font-size:14px;margin:20px 0;position:relative}.ke_overlay_content .txp_support:before{background:#000;background:rgba(0,0,0,.4);bottom:0;content:" ";left:0;position:absolute;right:0;top:0}.ke_overlay_content .txp_support .txp_logo{display:inline-block;height:14px;vertical-align:top;width:14px}.qrcode-maker{bottom:20px;position:absolute;right:10%}.qrcode-maker .qrcode{background-size:100% 100%;height:125px;margin:auto;width:125px}.qrcode-maker p{color:#fff;margin-top:10px}.ke_copyright_wrap{background:#000;background:rgba(0,0,0,.8);bottom:0;left:0;margin:0 auto;min-width:400px;position:absolute;right:0;text-align:center;top:0;-webkit-user-select:none;-moz-user-select:none;user-select:none;z-index:200}.ke_copyright_wrap .btn-download{background-color:transparent;border:1px solid #188eee;color:#188eee;margin-right:24px;min-width:144px}.ke_copyright_wrap .btn-download:hover{background-color:transparent;border-color:#147de2;color:#147de2}.ke_copyright_wrap .copyright-container{position:relative;top:calc(50% - 150px)}.ke_copyright_wrap .copyright-word{color:#fff;display:inline-block;font-size:20px;font-weight:400;line-height:30px;margin:35px auto;overflow:hidden;padding:0 81px;position:relative;text-align:center;width:100%}.playlist-cnt .course-name,.playlist-cnt ul.chapters .title,.playlist-cnt ul.chapters li .sub-title,.playlist-cnt ul.chapters li .task-info-cnt .task-inner .task-name,.playlist-cnt ul.chapters li .task-info-cnt .task-inner .task-suffix{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.playlist-cnt{--expireText:#3c464f;--activeText:#2080f7;--normalText:#a1a9b2;--highlightText:#c0c5cc;font-size:14px;height:calc(100% - 30px);overflow-x:hidden;overflow-y:auto;padding:10px 0 20px}.playlist-cnt .course-name{color:var(--normalText);cursor:pointer;font-size:20px;font-weight:500;line-height:28px;margin-bottom:22px;max-width:calc(100vw - 48px);padding:0 24px}.playlist-cnt .course-name:hover{color:#c0c5cc}.playlist-cnt ul.chapters{color:#fff;list-style:none;margin-top:10px;padding:0}.playlist-cnt ul.chapters .title{cursor:pointer;font-size:16px;line-height:30px}.playlist-cnt ul.chapters .title:hover{color:var(--highlightText)}.playlist-cnt ul.chapters li .sub-title{cursor:pointer;font-size:16px;height:44px;line-height:44px;padding:0 24px}.playlist-cnt ul.chapters li .sub-title:hover{color:var(--highlightText)}.playlist-cnt ul.chapters li .task-info{cursor:pointer;font-size:14px;margin:0 12px;padding:12px 0;position:relative}.playlist-cnt ul.chapters li .task-info-cnt{align-items:flex-start;display:flex;justify-content:flex-start;padding:0 12px;position:relative;width:calc(100% - 12px)}.playlist-cnt ul.chapters li .task-info-cnt .task-type{height:24px;margin-right:14px;position:relative;width:24px}.playlist-cnt ul.chapters li .task-info-cnt .task-type .icon{left:6px;position:absolute;top:6px}.playlist-cnt ul.chapters li .task-info-cnt .task-inner{display:inline-flex;flex:1;flex-direction:column;max-width:calc(100% - 28px)}.playlist-cnt ul.chapters li .task-info-cnt .task-inner .task-name-cnt{display:flex;justify-content:space-between}.playlist-cnt ul.chapters li .task-info-cnt .task-inner .task-name{color:var(--normalText);font-size:14px;font-weight:400;line-height:20px;margin-bottom:4px}.playlist-cnt ul.chapters li .task-info-cnt .task-inner .task-suffix{color:#667280;font-size:12px;font-weight:400;height:16px;line-height:16px}.playlist-cnt ul.chapters li .task-info-cnt .task-inner .task-labels{display:flex;flex:none}.playlist-cnt ul.chapters li .task-info-cnt .task-inner .task-labels .task-label{background:#2080f7;background:rgba(32,128,247,.2);border-radius:8px;color:#2080f7;font-size:12px;font-weight:400;height:20px;margin:2px;padding:2px 6px}.playlist-cnt ul.chapters li .task-info:hover .task-inner .task-name,.playlist-cnt ul.chapters li .task-info:hover .task-inner .task-suffix{color:var(--highlightText)}.playlist-cnt ul.chapters li .task-info.active{background:#0f1419;border-radius:16px}.playlist-cnt ul.chapters li .task-info.active .task-inner .task-name,.playlist-cnt ul.chapters li .task-info.active .task-inner .task-suffix,.playlist-cnt ul.chapters li .task-info.living .task-inner .task-suffix{color:var(--activeText)}.playlist-cnt ul.chapters li .task-info.is-expired .task-inner .task-name,.playlist-cnt ul.chapters li .task-info.is-expired .task-inner .task-suffix{color:var(--expireText)}.playlist-cnt ul.chapters li .task-info.disabled{cursor:default}.playlist-cnt::-webkit-scrollbar,.study-body::-webkit-scrollbar{background-color:transparent;width:6px}.playlist-cnt::-webkit-scrollbar-button,.study-body::-webkit-scrollbar-button{display:none;height:0;width:0}.playlist-cnt::-webkit-scrollbar-thumb,.study-body::-webkit-scrollbar-thumb{background-color:#323c46;border-radius:4px;min-height:115px;mix-blend-mode:normal}.playlist-cnt::-webkit-scrollbar-thumb:active,.playlist-cnt::-webkit-scrollbar-thumb:hover,.study-body::-webkit-scrollbar-thumb:active,.study-body::-webkit-scrollbar-thumb:hover{background-color:#586470}.right-side-bar.normal-task .side-bar-cnt,.right-side-bar.normal-task .side-bar-cnt .mcv-tab-panel{height:100%}.right-side-bar{background:#1b2128;border-top:1px solid #14171a;bottom:0;height:calc(100vh - 60px);max-width:calc(100% - 20px);min-width:360px;position:absolute;right:0;top:60px;transition:right .5s;width:auto;z-index:2001}.right-side-bar.dragging{transition:none}.right-side-bar .side-bar-cnt{height:100%}.right-side-bar .expand-btn,.right-side-bar .fold-btn{align-items:center;background:#0f1419;border-radius:0 12px 12px 0;cursor:pointer;display:flex;height:56px;justify-content:center;left:0;position:absolute;top:calc(50% - 28px);width:20px;z-index:2022}.right-side-bar .expand-btn .btn-img,.right-side-bar .fold-btn .btn-img{background:url(//cdn-cos-ke.myoed.com/ke_proj/webcourse/fold_9922486ba3d8c0aed924d7b3e3ba8011.png) 50%/cover no-repeat;display:inline-block;height:16px;width:16px}.right-side-bar .expand-btn{border-radius:12px 0 0 12px;left:-26px;transition:all .5s .5s}.right-side-bar .expand-btn .btn-img{background:url(//cdn-cos-ke.myoed.com/ke_proj/webcourse/expand_42a22b0ef6a2fc5a4418914052a96115.png) 50%/cover no-repeat}#mcv_ketang_container{height:100vh;position:relative}.study-body{height:calc(100vh - 60px);top:60px}#mcv_ketang_container,.study-body{-webkit-margin-before:0;-webkit-margin-after:0;background:#000;margin-block-end:0;margin-block-start:0;overflow:hidden}.mcv-video>iframe{background:#000;height:100%!important;min-height:unset!important;padding:0!important;width:100%!important}.btn-buy-now{background-color:#188eee;border:0;border-radius:2px;color:#fff;cursor:pointer;display:inline-block;font-size:0;height:40px;line-height:40px;min-width:120px;outline:0;padding:0 1em;position:relative;width:auto}.btn-buy-now span{font-size:16px;vertical-align:middle}.btn-buy-now i{display:inline-block;height:24px;vertical-align:middle;width:24px}.task-type{color:#667280;font-size:14px}.task-type svg{display:block}.active .task-info-cnt .task-type{color:#2080f7}.mcv-video div.pdfemb-viewer{overflow-y:auto}.mcv-video div.pdfemb-toolbar{position:fixed}.is-iframe .study-body{top:0}.is-iframe .ke_overlay,.is-iframe .study-body{height:100vh;right:0;top:0;z-index:999999}.is-iframe .right-side-bar,.is-iframe .study-header{display:none}.mcv-att{cursor:pointer;float:right;position:relative;right:28px;top:-28px}.mcv-att svg{stroke:rgb(from var(--activeText) r g b/15%)}.mcv-att .light,.mcv-att:hover,.mcv-att:hover svg{stroke:rgb(from var(--activeText) r g b/75%)}.mcv-att button{background-color:unset;border:0;color:var(--normalText)}.mcv-att-wrap ul.profile-menu{background-color:#2080f7;border-radius:12px;box-sizing:content-box;font-size:14px;max-width:270px;padding:0 24px 24px;position:absolute;right:0;top:30px;z-index:99}.mcv-att-wrap ul.profile-menu.hidden{display:none}.mcv-att-wrap ul.profile-menu:before{background:#2080f7;border-right-color:transparent;border-top-color:transparent;content:"";height:10px;position:absolute;right:36px;top:-5px;transform:rotate(45deg);width:10px}.mcv-att-wrap ul.profile-menu li{color:#c8d2d9;font-size:14px;font-weight:500;line-height:20px;list-style:none;padding-top:24px}.mcv-att-wrap ul.profile-menu li a,.mcv-att-wrap ul.profile-menu li span{word-wrap:break-word;color:#c8d2d9;cursor:pointer;display:block;max-width:270px;white-space:pre-wrap;width:-moz-max-content;width:max-content}.mcv-att-wrap ul.profile-menu li a:hover,.mcv-att-wrap ul.profile-menu li span:hover{color:#fff}.mcv-tab-panel{background:none;height:100%;position:relative}.mcv-tab-panel .components-tab-panel__tabs{align-items:center;background:#1b2128;display:flex;height:52px;overflow:hidden;padding:8px 4px}.mcv-tab-panel .components-tab-panel__tab-content{flex:1;height:calc(100% - 68px);max-width:360px;overflow:hidden}.mcv-tab-panel .components-tab-panel__tabs-item{background:none;border:0;border-bottom:3px solid #1b2128;color:#c0c5cc;cursor:pointer;display:inline-block;font-size:16px;font-weight:500;height:22px;height:36px;line-height:22px;margin:10px;outline:0;overflow:hidden;padding:0 20px;text-align:center;white-space:nowrap}.mcv-tab-panel .active-tab{border-bottom:3px solid #2080f7;border-radius:3px}.kecomp-dialog{background:#fff;border-radius:6px;box-sizing:border-box;left:50%;min-width:450px;position:absolute;top:50%;transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%)}.kecomp-dialog.small{min-height:210px;width:450px}.kecomp-dialog.medium{min-height:210px;width:580px}.kecomp-dialog-ft{padding:30px 30px 20px;text-align:right}.kecomp-dialog-ft .kecomp-btn{margin-left:15px}.kecomp-dialog-ft .kecomp-btn:first-child{margin-left:0}.kecomp-dialog-ft .im-btn{border-radius:18px;height:36px;line-height:36px;min-width:100px;padding:0 36px}.kecomp-dialog-bd{color:#333;max-height:440px;min-height:65px;overflow:auto;position:relative}.kecomp-dialog-bd-icon.icon-font{font-size:36px;height:36px;margin-right:16px;vertical-align:top;width:36px}.kecomp-dialog-bd-icon.icon-font.i-info{color:#4da9e8}.kecomp-dialog-bd-icon.icon-font.i-alert{color:#e86730}.kecomp-dialog-bd-icon.icon-font.i-success{color:#5fb41b}.kecomp-dialog-bd-icon.icon-font.i-question{color:#4ca9e6}.kecomp-dialog-bd-msg-wrap{margin:auto;padding:16px 0;text-align:center}.kecomp-dialog-bd.kecomp-with-sub{height:95px}.kecomp-dialog-bd.kecomp-with-sub .kecomp-dialog-bd-msg-wrap{height:57px}.kecomp-dialog-bd-msg{color:#333;display:inline-block;font-size:18px;line-height:2;max-width:318px;text-align:left;vertical-align:top}.kecomp-dialog-bd-msg-sub{color:#666;display:block;font-size:14px;line-height:24px;max-width:318px;padding-top:7px;white-space:normal}.kecomp-dialog-bd .kecomp-dialog-ft{padding-left:0;padding-right:0}.kecomp-dialog.large{max-height:600px;overflow:hidden;width:800px}.kecomp-dialog.large .kecomp-dialog-ft{padding-bottom:40px;text-align:left}.kecomp-dialog-mask{background-color:rgba(0,0,0,.6);z-index:4000}.kecomp-dialog-mask,.kecomp-dialog-wrap{bottom:0;left:0;position:fixed;right:0;top:0}.kecomp-dialog-wrap{overflow:auto;z-index:4001}.kecomp-dialog-hd{color:#a0a8b0;position:relative}.kecomp-dialog-hd-text,.kecomp-dialog-hd-text-empty{font-size:14px;height:14px;line-height:1;margin:0;padding-left:21px;padding-top:16px}.kecomp-dialog-hd-text{padding-bottom:30px}.kecomp-dialog-hd-text-empty{padding-bottom:25px}.kecomp-dialog-hd-close{color:#ccc;cursor:pointer;font-size:20px;height:20px;line-height:20px;position:absolute!important;right:15px;top:15px;width:20px}.kecomp-dialog-hd-close:hover{color:#666}.kecomp-dialog--api .kecomp-dialog-bd{overflow:hidden}.kecomp-dialog-h5-wrap{background:rgba(0,0,0,.5);bottom:0;display:none;left:0;position:fixed;right:0;top:0;z-index:4000}.kecomp-dialog-h5-wrap.active{display:block}.kecomp-dialog-h5{background:#fff;border-radius:8px;color:#000;font-size:14px;left:50%;overflow:hidden;position:absolute;top:50%;transform:translate(-50%,-50%);width:280px;z-index:4005}.kecomp-dialog-h5.light-blue .dialog-bd .bd-tt{color:#14171a}.kecomp-dialog-h5.light-blue .dialog-bd .bd-txt{color:#667280}.kecomp-dialog-h5.light-blue .dialog-ft{font-size:14px;font-weight:500}.kecomp-dialog-h5.light-blue .dialog-ft .ft-btn--cancel{color:#667280}.kecomp-dialog-h5.light-blue .dialog-ft .ft-btn--ok{color:#2080f7}.kecomp-dialog-h5 .dialog-bd{padding:20px 16px;text-align:center}.kecomp-dialog-h5 .dialog-bd .bd-tt{font-size:16px;font-weight:700;line-height:1.3;margin-bottom:10px}.kecomp-dialog-h5 .dialog-bd .bd-txt.txt--left{text-align:left}.kecomp-dialog-h5 .dialog-ft{display:flex;line-height:44px;overflow:hidden;text-align:center}.kecomp-dialog-h5 .dialog-ft .ft-btn{color:#23b8ff;display:block;flex:1;font-size:16px;position:relative;width:1%}.kecomp-dialog-h5 .dialog-ft .ft-btn:before{border-top:1px solid #ddd;box-sizing:border-box;content:"";height:0;left:0;position:absolute;right:0;top:0;transform:scaleY(.5)}.kecomp-dialog-h5 .dialog-ft .ft-btn:first-of-type:after{border-left:1px solid #ddd;bottom:0;box-sizing:border-box;content:"";left:auto;position:absolute;right:0;top:0;transform:scaleX(.5);width:0}.kecomp-dialog-h5 .dialog-ft.ft--full{flex-direction:column}.kecomp-dialog-h5 .dialog-ft.ft--full .ft-btn{border-left:none;width:100%}.kecomp-dialog-h5 .dialog-ft.ft--full .ft-btn:first-of-type:after{display:none}.dialog--close{border-top:0;overflow:visible}.dialog--close .icon-css-cross{border:1px solid #ddd;border-radius:50%;bottom:-80px;color:#fff;cursor:pointer;height:44px;left:50%;position:absolute;transform:translate(-50%);width:44px}.dialog--close .icon-css-cross:after,.dialog--close .icon-css-cross:before{height:20px;width:1px}.nav-comment-bd{height:auto;padding:0 24px;text-align:center;width:520px}.nav-comment-tt{color:#0f1419;font-size:16px;font-weight:500;line-height:22px;margin-bottom:20px!important;text-align:center}.nav-comment-level-ctn{margin-bottom:16px!important}.nav-comment-level-msg{color:#8797a1;display:inline-block;font-size:14px;margin-left:16px;text-align:left;width:82px}.nav-comment-editor{background:#f5f8fa;border-radius:12px;color:#8797a1;font-size:14px;height:auto;margin-bottom:24px}.nav-comment-textarea{background:#f5f8fa;border:none;border-radius:12px;box-sizing:border-box;color:#3c464f;height:84px;outline:none;overflow:auto;padding:16px;resize:none;width:100%}.nav-comment-textarea::-webkit-input-placeholder{color:#8797a1;opacity:.5}.nav-comment-editor-bottom{cursor:default;display:flex;justify-content:space-between;padding:8px 16px}.nav-comment-error-tips{color:#586470}.nav-comment-remain{height:22px}.nav-comment-comment-item{color:#8797a1;font-size:14px;margin-bottom:24px;text-align:left}.nav-comment-comment-item .comment-type{color:#8797a1;font-size:14px;height:22px;line-height:22px;margin-bottom:12px}.nav-comment-comment-item .comment-wrapper{background:#f5f8fa;border-radius:12px;padding:16px}.nav-comment-comment-item .comment-hd{display:flex;margin-bottom:8px}.nav-comment-comment-item .comment-level{display:flex;line-height:22px;margin-left:20px!important}.nav-comment-comment-item .comment-content{color:#3c464f}.nav-comment-submit-btn{background:#2080f7;border:none;border-radius:24px;color:#fff;height:40px;margin:0 auto 24px;outline:none;padding:10px 46px;text-align:center}.nav-comment-submit-btn.disabled{background:#2080f7;cursor:default;opacity:.3}.nav-comment .kc-dialog-wrap{background:#fff;border-radius:12px;box-shadow:0 1px 8px rgba(11,4,30,.1)}.nav-comment .kecomp-dialog-bd{max-height:unset}.nav-comment .kecomp-dialog-hd{z-index:10}.nav-comment .kecomp-dialog-hd-text-empty{padding-top:0}.nav-comment .kecomp-dialog-hd-close{color:#c0c5cc}.nav-comment-wrapper{position:relative}.nav-comment-wrapper .im-popconfirm{display:none;left:50%;position:absolute;top:100%;transform:translateX(-50%);width:-moz-max-content;width:max-content}.nav-comment-wrapper .im-popconfirm-content{min-width:360px;padding:24px}.nav-comment-wrapper:hover .im-popconfirm{display:block}.rc-rate{font-varirc:tabular-nums;font-feature-settings:"tnum";box-sizing:border-box;color:rgba(0,0,0,.85);color:#fadb14;display:inline-block;font-size:14px;font-size:20px;line-height:1.5715;line-height:unset;list-style:none;margin:0;outline:none;padding:0;vertical-align:bottom}.rc-rate-disabled .rc-rate-star{cursor:default}.rc-rate-disabled .rc-rate-star:hover{transform:scale(1)}.rc-rate-star{color:inherit;cursor:pointer;display:inline-block;position:relative;transition:all .3s}.rc-rate-star:not(:last-child){margin-right:8px!important}.rc-rate-star>div:focus{outline:0}.rc-rate-star>div:focus,.rc-rate-star>div:hover{transform:scale(1.1)}.rc-rate-star-first,.rc-rate-star-second{color:#f0f0f0;transition:all .3s;-webkit-user-select:none;-moz-user-select:none;user-select:none}.rc-rate-star-first .rcicon,.rc-rate-star-second .rcicon{vertical-align:middle}.rc-rate-star-first{height:100%;left:0;opacity:0;overflow:hidden;position:absolute;top:0;width:50%}.rc-rate-star-half .rc-rate-star-first,.rc-rate-star-half .rc-rate-star-second{opacity:1}.rc-rate-star-full .rc-rate-star-second,.rc-rate-star-half .rc-rate-star-first{color:inherit}.rc-rate-text{display:inline-block;font-size:14px;margin:0 8px}.rc-rate-rtl{direction:rtl}.rc-rate-rtl .rc-rate-star:not(:last-child){margin-left:8px;margin-right:0}.rc-rate-rtl .rc-rate-star-first{left:auto;right:0}.mcv-review-box{height:-moz-fit-content;height:fit-content;margin:auto}.mcv-review-box .components-modal__content{margin-top:36px;padding:0}.mcv-review-box .components-modal__header{height:36px;padding:24px 16px 8px}.study-body.text{overflow-y:auto}.mcv-video.vod .dplayer,.mcv-video.vod .prism-player,.mcv-video.vod .tcplayer{height:calc(100vh - 60px)!important;padding:unset}.is-iframe .mcv-video.vod .dplayer,.is-iframe .mcv-video.vod .prism-player,.is-iframe .mcv-video.vod .tcplayer{height:100vh!important;padding:unset}.mcv-video.text{--expireText:#3c464f;--activeText:#2080f7;--normalText:#a1a9b2;--highlightText:#c0c5cc;box-sizing:border-box;color:var(--normalText);letter-spacing:.5px;margin:20px auto;max-width:960px;padding:0 10px;text-align:left}.mcv-video.text .wp-block-heading{color:var(--highlightText)}.mcv-video.text p{color:var(--normalText);line-height:2em;text-indent:2em}.mcv-video.text .wp-block-image{margin:0;padding:0;text-align:center}.mcv-video.text .wp-block-image img{border-radius:5px;height:auto;max-width:100%}.mcv-video.text>ol,.mcv_lesson-template-default.single.single-mcv_lesson .mcv-video.text ul{-webkit-margin-before:0;margin-block-end:1em;margin-block-start:0;margin-bottom:1em;margin-top:0}.mcv-video.text li{line-height:2em}.mcv-video.text li::marker{color:var(--activeText)}.mcv-video.text .wp-block-details summary{color:var(--highlightText);font-weight:600;line-height:2em}.mcv-video.text .wp-block-table td,.mcv-video.text .wp-block-table th{border:1px solid;padding:.5em}.mcv-video.text .wp-block-verse{color:var(--highlightText);font-size:1.1em;font-weight:500;letter-spacing:1px;padding-left:2em}.mcv-watermark-wrap{pointer-events:none;position:fixed;z-index:9999}.mcv-watermark{color:hsla(0,0%,60%,.314);display:flex;flex-wrap:wrap;margin-left:-200%;pointer-events:none;transform:rotate(-25deg);-webkit-user-select:none;-moz-user-select:none;user-select:none;white-space:nowrap;width:400%}.mcv-watermark div{padding:3% 0;text-align:center;width:5%}@media only screen and (max-width:839px)and (min-width:768px){.mcv-video>iframe.is-bilibili{margin-top:0}.mcv-watermark div{width:10%}}@media only screen and (max-width:768px){body{height:-moz-max-content;height:max-content;overflow-y:auto}.mcv-watermark div{width:20%}.style2 .mcv-video.vod .dplayer,.style2 .mcv-video.vod .prism-player,.style2 .mcv-video.vod .tcplayer{height:56.25vw!important;padding:unset}.style2 .ke_overlay,.style2 .right-side-bar,.style2 .study-body{min-width:360px;overflow:hidden;width:100%}.style2 .study-body{height:56.25vw}.ke_overlay_content{top:15px}.ke_overlay{right:0!important}.ke_overlay_content .pay-info .link{padding-top:10px}.ke_overlay_content .btn-wrap{margin-top:10px}.style2 .right-side-bar{display:grid;height:-moz-max-content;height:max-content;margin-top:56.25vw!important;max-width:100%;right:0!important;width:100%!important}.style2 .right-side-bar .expand-btn,.style2 .right-side-bar .fold-btn{display:none}body::-webkit-scrollbar{background-color:#1b2128;width:6px}body::-webkit-scrollbar-button{display:none;height:0;width:0}body::-webkit-scrollbar-thumb{background-color:#323c46;border-radius:4px;min-height:115px;mix-blend-mode:normal}body::-webkit-scrollbar-thumb:active,body::-webkit-scrollbar-thumb:hover{background-color:#586470}.mcv-video>iframe.is-bilibili{height:56.25vw!important}.mcv-breadcrumb>a,.mcv-breadcrumb>span{display:none}.mcv-breadcrumb>a:last-child{display:block}.playlist-cnt{height:calc(100vh - 129px)}.style2 .playlist-cnt{box-sizing:border-box;height:calc(100vh - 56.25vw - 128px)}.style2 .mcv-tab-panel .components-tab-panel__tab-content{height:calc(100% - 68px);max-width:100%}.mcv-review-box{margin:auto 6px}.nav-comment-bd{width:auto}.ke_overlay_content .pay-info .pay{padding-bottom:5px}.study-header .header-item.qqtips,.study-header .header-item.qrtips{display:none}.ke_overlay_content .pay-info .pay,.ke_overlay_content .title{margin:0;padding:0}}
