.video-player-with-controls-wrapper{position:relative;height:100%;width:100%}.video-player-with-controls-wrapper .controls-container{position:absolute;left:0;top:0;width:100%;height:100%;background:rgba(0,0,0,.4)}.video-player-with-controls-wrapper .controls-wrapper{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);z-index:10;display:flex;align-items:center}.video-player-with-controls-wrapper .box-margin{margin-left:40px}.video-player-with-controls-wrapper .button-box{display:flex;align-items:center;flex-direction:column;cursor:pointer}.video-player-with-controls-wrapper .button-box .button-icon{width:66px;height:66px;border-radius:50%;background:rgba(0,0,0,.6);margin-bottom:4px;display:flex;align-items:center;justify-content:center}.video-player-with-controls-wrapper .button-box .button-icon .icon{width:24px;height:24px}.video-player-with-controls-wrapper .button-box .button-icon .icon-next{width:20px;height:20px}.video-player-with-controls-wrapper .button-box .button-text{font-size:14px;color:#fff}.xgplayer-skin-default{background:none!important}.xgplayer-skin-default.xgplayer.xgplayer-ended .xgplayer-replay{display:none!important}.xgplayer-keep-center_fix{display:flex;height:100%;align-items:center;position:absolute;top:0}.video-player-wrapper{flex:auto}.xgplayer-replay{border-radius:8px}.xgplayer-controls{height:48px}.xgplayer-skin-default .xgplayer-progress{z-index:-1;left:0;right:0;top:-12px}.xgplayer-icon-exitfull,.xgplayer-icon-large,.xgplayer-icon-muted,.xgplayer-icon-pause,.xgplayer-icon-play,.xgplayer-icon-requestfull,.xgplayer-icon-small{display:flex;height:100%;align-items:center;position:absolute;top:0}.xgplayer-icon-requestfull>svg{top:4px}.xgplayer-progress-played{pointer-events:none}.xgplayer-skin-default .xgplayer-progress-outer{background:#2f2f2f}.xgplayer-skin-default .xgplayer-progress-outer .xgplayer-progress-cache{background:#444}.xgplayer-skin-default .xgplayer-playbackrate .name{background:none!important}.video-player_mobile-across .xgplayer-controls{align-items:center}.video-player_mobile-across .xgplayer-controls .xgplayer-fullscreen,.video-player_mobile-across .xgplayer-controls .xgplayer-progress{transform:none!important}@media only screen and (max-width:992px){.video-player-with-controls-wrapper .box-margin{margin-left:35px}.video-player-with-controls-wrapper .button-box .button-icon{width:55px;height:55px;margin-bottom:4px}.video-player-with-controls-wrapper .button-box .button-icon .icon{width:24px;height:24px}.video-player-with-controls-wrapper .button-box .button-icon .icon-next{width:20px;height:20px}.xgplayer-playbackrate{width:3rem!important}.xgplayer-playbackrate li{line-height:1.5rem}.xgplayer-playbackrate li:first-child{margin-top:.8rem!important}.xgplayer-playbackrate li:last-child{margin-bottom:.8rem!important}.xgplayer-skin-default .xgplayer-progress{z-index:5!important;flex:1 1;min-width:20px}.video-player-wrapper{overflow:hidden}.xgplayer-skin-default .xgplayer-controls .xgplayer-progress{position:static;order:3;transform:translateY(1rem)}.xgplayer-skin-default .xgplayer-controls .xgplayer-play{order:1}.xgplayer-skin-default .xgplayer-controls .xgplayer-time{order:2;flex-shrink:0}.xgplayer-skin-default .xgplayer-controls .xgplayer-fullscreen{z-index:100;transform:translateX(1rem)}.xgplayer-skin-default .xgplayer-controls .xgplayer-fullscreen svg{width:3rem}.xgplayer-skin-default .xgplayer-controls .xgplayer-playbackrate ul{left:75%!important}.xgplayer-skin-default .xgplayer-controls .xgplayer-playbackrate .name{width:5rem;height:4rem;line-height:4rem;bottom:-1rem;background:none!important}.xgplayer-skin-default .xgplayer-placeholder{display:none!important}.rtl--container .xgplayer-skin-default .xgplayer-controls .xgplayer-fullscreen{transform:translateX(-.5rem)}.rtl--container .video-player-with-controls-wrapper .box-margin{margin:0 3.5rem 0 0}}.rtl--container .xgplayer-skin-default .xgplayer-enter .xgplayer-enter-spinner{position:absolute}.rtl--container .video-player-with-controls-wrapper .box-margin{margin:0 40px 0 0}.body--container{max-width:1370px;padding-left:30px;padding-right:30px;margin:0 auto}.flex--box--center{display:flex;align-items:center;justify-content:center}.flex--box--space--between{display:flex;align-items:center;justify-content:space-between}.flex--box--vertical,.flex--box--vertical--center{display:flex;flex-direction:column;align-items:center}.flex--box--vertical--center{justify-content:center}.grid--standard--column--wrapper_4{grid-template-columns:repeat(auto-fill,minmax(281.25px,calc(25% - 18.75px)))}.grid--standard--column--wrapper_3,.grid--standard--column--wrapper_4{display:grid;grid-row-gap:25px;justify-content:space-between;grid-column-gap:25px;justify-content:center}.grid--standard--column--wrapper_3{grid-template-columns:repeat(auto-fill,minmax(383.33333px,calc(33.33333% - 16.66667px)));grid-template-columns:repeat(3,calc(33.33333% - 17.33333px))}.vertical--center{position:absolute;top:50%;transform:translateY(-50%)}.level--center{position:absolute;left:50%;transform:translate(-50%)}.vertical--level--center{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.vertical--center--flex{display:flex;align-items:center}.level--center--flex,.vertical--level--center--flex{display:flex;justify-content:center}.vertical--level--center--flex{align-items:center}.overflow--ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.m--toast{background-color:#fff!important;font-size:1.6rem!important;color:#333!important;letter-spacing:0!important;line-height:2.2rem!important;font-weight:400!important;min-width:20rem!important;max-width:34.5rem!important}.scroll--bar::-webkit-scrollbar{width:6px;background:#fff}.scroll--bar::-webkit-scrollbar-thumb{border-radius:20px;width:6px;border:4px solid transparent;background:#d8d8d8}.scroll--bar::-webkit-scrollbar-track{box-shadow:inset 0 0 0 #ddd}.bg--standard--image{width:100%;background-repeat:no-repeat;background-size:cover;background-position:50%}input::-webkit-input-placeholder{color:#999}input:-moz-placeholder,input::-moz-placeholder{color:#999;opacity:1}.mobile-view-more{display:flex;align-items:center;justify-content:center}.mobile-view-more button{height:3.2rem;border:1px solid #ddd;padding:0 1.6rem;border-radius:1.6rem;background-color:#fff;font-size:1.4rem;color:#2e2c2a}.updated-tag{font-size:12px;line-height:20px;border-radius:20px;height:20px;padding:0 10px;margin-left:8px}.mobile-updated-tag,.updated-tag{font-style:italic;vertical-align:top;display:inline-block;color:#00b06e;background:rgba(0,176,110,.1);font-weight:700}.mobile-updated-tag{font-size:1.2rem;line-height:2rem;border-radius:2rem;height:2rem;padding:0 1rem;margin-left:.8rem}.update-tip-view[data-v-530e49dd]{font-size:16px;font-weight:600;line-height:24px;color:#333;background-color:#e1e7ef;padding:9px 20px;border-radius:8px;display:flex;grid-column-gap:12px;-moz-column-gap:12px;column-gap:12px}.update-tip-view .icon[data-v-530e49dd]{margin-top:4px;width:16px;height:16px}.update-tip-view .text .update-note[data-v-530e49dd]{color:#1585ff;margin:0 6px;cursor:pointer}.update-tip-view .text .update-note[data-v-530e49dd]:hover{text-decoration:underline}.update-tip-view .text .arrow[data-v-530e49dd]{cursor:pointer}.mobile-update-tip-view.update-tip-view[data-v-530e49dd]{font-size:1.4rem;line-height:2.2rem;padding:1rem 1.5rem 1rem 2rem}.mobile-update-tip-view.update-tip-view .icon[data-v-530e49dd]{margin-top:.4rem}.updated-course-dialog[data-v-530e49dd]{padding:24px 34px 20px}.updated-course-dialog .header[data-v-530e49dd]{color:#333;font-size:24px;font-weight:700;line-height:33px}.updated-course-dialog .top[data-v-530e49dd]{border-radius:20px;background:#f5f5f5}.updated-course-dialog .top .image[data-v-530e49dd]{background-repeat:no-repeat;background-size:cover;background-position:50%}.updated-course-dialog .top .video[data-v-530e49dd]{width:100%;position:relative}.updated-course-dialog .top .title[data-v-530e49dd]{color:#333;font-size:16px;font-weight:700;line-height:22px}.updated-course-dialog .top .desc[data-v-530e49dd]{display:-webkit-box;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;color:#333;font-size:14px;line-height:22px}.updated-course-dialog .pc-top[data-v-530e49dd]{margin-top:20px;display:flex;padding:20px}.updated-course-dialog .pc-top .title[data-v-530e49dd]{margin-top:4px;margin-bottom:14px}.updated-course-dialog .pc-top .image[data-v-530e49dd]{width:157px;height:87px;margin-right:20px;border-radius:10px}.updated-course-dialog .bottom[data-v-530e49dd]{margin-top:20px;color:#333}.updated-course-dialog .bottom .title[data-v-530e49dd]{font-size:16px;font-weight:700;line-height:22px;display:flex;align-items:center;grid-column-gap:20px;-moz-column-gap:20px;column-gap:20px}.updated-course-dialog .bottom .title>span[data-v-530e49dd]{font-size:14px;font-weight:400}.updated-course-dialog .bottom .note[data-v-530e49dd]{margin-top:16px;font-size:14px;line-height:22px}.updated-course-dialog .button[data-v-530e49dd]{margin:20px 0 0}.mobile-updated-course-dialog[data-v-530e49dd]{padding:2rem 1.5rem 1.5rem}.mobile-updated-course-dialog .header[data-v-530e49dd]{font-size:1.6rem;line-height:2.2rem}.mobile-updated-course-dialog .mobile-top[data-v-530e49dd]{margin-top:1.5rem;padding:1.5rem;font-size:1.4rem}.mobile-updated-course-dialog .mobile-top .image[data-v-530e49dd]{width:8rem;height:4.4rem;margin-right:1.2rem;border-radius:1rem}.mobile-updated-course-dialog .mobile-top .title[data-v-530e49dd]{flex:1 1;display:-webkit-box;overflow:hidden;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:1.9rem}.mobile-updated-course-dialog .mobile-top .desc[data-v-530e49dd]{display:-webkit-box;overflow:hidden;-webkit-line-clamp:3;-webkit-box-orient:vertical;line-height:2.2rem;margin-top:1.2rem}.mobile-updated-course-dialog .bottom[data-v-530e49dd]{margin-top:1.5rem}.mobile-updated-course-dialog .bottom .title[data-v-530e49dd]{font-size:1.6rem;line-height:2.2rem;grid-column-gap:1.6rem;-moz-column-gap:1.6rem;column-gap:1.6rem}.mobile-updated-course-dialog .bottom .title>span[data-v-530e49dd]{font-size:1.4rem}.mobile-updated-course-dialog .bottom .note[data-v-530e49dd]{margin-top:1.6rem;font-size:1.4rem;line-height:2.2rem}.update-tip-label-view[data-v-530e49dd]{background:rgba(0,0,0,.05);display:flex;align-items:center;font-size:12px;height:28px;padding:0 10px;border-top-left-radius:14px;border-bottom-left-radius:14px;position:absolute;top:12px;right:0;cursor:pointer}.update-tip-label-view .text[data-v-530e49dd]{color:#333;font-weight:700;margin:0 6px}.mobile-update-tip-label-view[data-v-530e49dd]{font-size:1.2rem;height:2.8rem;top:1.2rem;padding:0 1rem;border-top-left-radius:1.4rem;border-bottom-left-radius:1.4rem}.body--container[data-v-530e49dd]{max-width:1370px;padding-left:30px;padding-right:30px;margin:0 auto}.flex--box--center[data-v-530e49dd]{display:flex;align-items:center;justify-content:center}.flex--box--space--between[data-v-530e49dd]{display:flex;align-items:center;justify-content:space-between}.flex--box--vertical--center[data-v-530e49dd],.flex--box--vertical[data-v-530e49dd]{display:flex;flex-direction:column;align-items:center}.flex--box--vertical--center[data-v-530e49dd]{justify-content:center}.grid--standard--column--wrapper_4[data-v-530e49dd]{grid-template-columns:repeat(auto-fill,minmax(281.25px,calc(25% - 18.75px)))}.grid--standard--column--wrapper_3[data-v-530e49dd],.grid--standard--column--wrapper_4[data-v-530e49dd]{display:grid;grid-row-gap:25px;justify-content:space-between;grid-column-gap:25px;justify-content:center}.grid--standard--column--wrapper_3[data-v-530e49dd]{grid-template-columns:repeat(auto-fill,minmax(383.33333px,calc(33.33333% - 16.66667px)));grid-template-columns:repeat(3,calc(33.33333% - 17.33333px))}.vertical--center[data-v-530e49dd]{position:absolute;top:50%;transform:translateY(-50%)}.level--center[data-v-530e49dd]{position:absolute;left:50%;transform:translate(-50%)}.vertical--level--center[data-v-530e49dd]{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%)}.vertical--center--flex[data-v-530e49dd]{display:flex;align-items:center}.level--center--flex[data-v-530e49dd]{display:flex;justify-content:center}.vertical--level--center--flex[data-v-530e49dd]{display:flex;justify-content:center;align-items:center}.overflow--ellipsis[data-v-530e49dd]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.m--toast[data-v-530e49dd]{background-color:#fff!important;font-size:1.6rem!important;color:#333!important;letter-spacing:0!important;line-height:2.2rem!important;font-weight:400!important;min-width:20rem!important;max-width:34.5rem!important}.scroll--bar[data-v-530e49dd]::-webkit-scrollbar{width:6px;background:#fff}.scroll--bar[data-v-530e49dd]::-webkit-scrollbar-thumb{border-radius:20px;width:6px;border:4px solid transparent;background:#d8d8d8}.scroll--bar[data-v-530e49dd]::-webkit-scrollbar-track{box-shadow:inset 0 0 0 #ddd}.bg--standard--image[data-v-530e49dd]{width:100%;background-repeat:no-repeat;background-size:cover;background-position:50%}input[data-v-530e49dd]::-webkit-input-placeholder{color:#999}input[data-v-530e49dd]:-moz-placeholder,input[data-v-530e49dd]::-moz-placeholder{color:#999;opacity:1}.mobile-view-more[data-v-530e49dd]{display:flex;align-items:center;justify-content:center}.mobile-view-more button[data-v-530e49dd]{height:3.2rem;border:1px solid #ddd;padding:0 1.6rem;border-radius:1.6rem;background-color:#fff;font-size:1.4rem;color:#2e2c2a}.updated-tag[data-v-530e49dd]{font-size:12px;line-height:20px;border-radius:20px;height:20px;padding:0 10px;margin-left:8px}.mobile-updated-tag[data-v-530e49dd],.updated-tag[data-v-530e49dd]{font-style:italic;vertical-align:top;display:inline-block;color:#00b06e;background:rgba(0,176,110,.1);font-weight:700}.mobile-updated-tag[data-v-530e49dd]{font-size:1.2rem;line-height:2rem;border-radius:2rem;height:2rem;padding:0 1rem;margin-left:.8rem}