.introductionImg{border-radius:24px;width:100%;position:relative}.introductionImg img{border-radius:24px;width:100%;height:auto;display:block}.introductionContent{padding:0 18px 24px;position:absolute;bottom:0}.introductionContent h4{color:var(--heading);font-size:20px;line-height:24px;font-family:var(--secondary-heading-font);margin-bottom:12px}.introductionContent p{color:var(--heading);text-overflow:ellipsis;-webkit-line-clamp:2;-webkit-box-orient:vertical;line-height:20px;display:-webkit-box;overflow:hidden}.groupBtn .watchBtn{margin-right:12px}.crash_course{background:var(--heading);color:#fff;border-radius:8px;margin-bottom:14px;padding:4px 14px;font-size:12px;display:inline-block}.introduction .watchBtn{padding:14px 18px 10px 40px;position:relative}.introduction .groupBtn a i{font-size:21px;position:absolute;top:13px;left:15px}@media screen and (min-width:992px){.introductionContent h4{max-width:70%;margin-bottom:12px;font-size:36px;line-height:44px}.introductionContent p{width:48rem;margin-bottom:24px;font-size:16px;line-height:24px}.introductionImg img{border-radius:28px}.watchBtn,.primaryBtn{font-size:16px}.introductionContent{padding:0 0 46px 46px}.crash_course{font-size:14px}}