.course-banner {
  width: 100%;
  height: 400px;
  background-image: url("../img/course_banner.jpg");
  background-position: 0px 0px;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
}
.course-banner::before {
  content: "";
  position: absolute;
  background: #141cac;
  opacity: 0.5;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  z-index: 1;
}

.course-banner .text {
  position: relative;
  z-index: 3;
}

.course-banner .text .text-title {
  font-size: 50px;
  font-weight: 700;
  color: #ffc107;
  letter-spacing: 5px;
  text-shadow: 2px 2px 3px #141cac;
}

.course-banner .text .text-time {
  margin-top: 30px;
  font-size: 36px;
  font-weight: 700;
  color: #fff;
  text-shadow: 2px 2px 3px #141cac;
}

.course-wrap {
  background-color: #edf0f2;
  padding: 40px 0;
}

.course-container {
  width: 100%;
  margin: 0 auto;
}

@media (min-width: 576px) {
  .course-container {
    max-width: 540px;
  }
}

@media (min-width: 768px) {
  .course-container {
    max-width: 720px;
  }
}

@media (min-width: 992px) {
  .course-container {
    max-width: 960px;
  }
}

@media (min-width: 1200px) {
  .course-container {
    max-width: 1220px;
  }
}

.timeline-container {
  display: flex;
  flex-direction: column;
  position: relative;
}


.timeline-container .timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 30px;
  position: relative;
  width: 50%;
}

.timeline-container .timeline-item:nth-child(even) {
  align-self: flex-end;
  justify-content: flex-start;
  padding-left: 30px;
  padding-right: 0;
}


.timeline-container .timeline-item::after {
  background-color: #80B7FB;
  box-shadow: 0 0 5px rgb(0 0 0 / 30%);
  content: "";
  position: absolute;
  right: -2px;
  width: 4px;
  height: 100%;
}

.timeline-container .timeline-item:first-child::after {
  bottom: 0;
  height: 50%;
}

.timeline-container .timeline-item:last-child::after {
  height: 50%;
}

.timeline-container .timeline-item:nth-child(even)::after {
  left: -2px;
}


.timeline-container .timeline-item .timeline-item-content {
  box-shadow: 0 0 5px rgb(0 0 0 / 30%);
  border-radius: 5px;
  background-color: #50D1B2;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 15px;
  position: relative;
  width: 100%;
  color: #212121;
}


.timeline-container .timeline-item:nth-child(4n+2) .timeline-item-content {
  background-color: #80B7FB;
}

.timeline-container .timeline-item:nth-child(4n+3) .timeline-item-content {
  background-color: #00CBF4;
}

.timeline-container .timeline-item:nth-child(4n) .timeline-item-content {
  background-color: #8492fa;
}


.timeline-container .timeline-item .timeline-item-content .circle {
  background-color: #fff;
  border: 3px solid #50D1B2;
  border-radius: 50%;
  position: absolute;
  top: calc(50% - 10px);
  right: -40px;
  width: 20px;
  height: 20px;
  z-index: 100;
  display: flex;
  justify-content: center;
  align-items: center;
}

.timeline-container .timeline-item:nth-child(4n+2) .timeline-item-content .circle {
  border: 3px solid #80B7FB;
}

.timeline-container .timeline-item:nth-child(4n+3) .timeline-item-content .circle {
  border: 3px solid #00CBF4;
}

.timeline-container .timeline-item:nth-child(4n) .timeline-item-content .circle {
  border: 3px solid #8492fa;
}



.timeline-container .timeline-item .timeline-item-content .circle .within{
  background-color: #fff;
  border: 3px solid #50D1B2;
  border-radius: 50%;
  width: 10px;
  height: 10px;
}


.timeline-container .timeline-item:nth-child(4n+2) .timeline-item-content .circle .within{
  border: 3px solid #80B7FB;
}

.timeline-container .timeline-item:nth-child(4n+3) .timeline-item-content .circle .within{
  border: 3px solid #00CBF4;
}
.timeline-container .timeline-item:nth-child(4n) .timeline-item-content .circle .within{
  border: 3px solid #8492fa;
}

.timeline-container .timeline-item:nth-child(even) .timeline-item-content .circle {
  right: auto;
  left: -40px;
}

.timeline-container .timeline-item .timeline-item-content::after {
  content: " ";
  background-color: #50D1B2;
  box-shadow: 1px -1px 1px rgb(0 0 0 / 20%);
  position: absolute;
  right: -7.5px;
  top: calc(50% - 7.5px);
  transform: rotate(45deg);
  width: 15px;
  height: 15px;
}


.timeline-container .timeline-item:nth-child(4n+2) .timeline-item-content::after {
  background-color: #80B7FB;
}

.timeline-container .timeline-item:nth-child(4n+3) .timeline-item-content::after {
  background-color: #00CBF4;
}

.timeline-container .timeline-item:nth-child(4n) .timeline-item-content::after {
  background-color: #8492fa;
}

.timeline-container .timeline-item:nth-child(even) .timeline-item-content::after {
  right: auto;
  left: -7.5px;
  box-shadow: -1px 1px 1px rgb(0 0 0 / 20%);
}


.timeline-container .timeline-item .timeline-item-content .course-title{
  font-size: 20px;
  font-weight: 700;
}

.timeline-container .timeline-item .timeline-item-content .course-sub-title{
  margin-top: 5px;
  font-size: 16px;
  font-weight: 700;
}

.timeline-container .timeline-item .timeline-item-content .course-info{
  margin-top: 5px;
  font-size: 14px;
}

.timeline-container .timeline-item .timeline-item-content .course-info img{
  width: 24px;
  height: 24px;
  margin-right: 5px;
}


@media only screen and (max-width: 991px) {
  .timeline-container {
    padding: 0 15px;
  }
  .timeline-container .timeline-item {
    padding-right: 0;
    width: 100%;
    margin-bottom: 20px;
  }
  .timeline-container .timeline-item:nth-child(even) {
    padding-left: 0px;
  }
  .timeline-container .timeline-item::after {
    display: none;
  }
  .timeline-container .timeline-item .timeline-item-content::after {
    display: none;
  }
  .timeline-container .timeline-item .timeline-item-content .circle {
    display: none;
  }
  .last-subscribe {
    margin: 0 15px;
  }
}



.last-subscribe {
  background-color: #fff;
  border-radius: 10px;
}
.last-subscribe .last-subscribe-head {
  padding: 15px;
  border-bottom: 1px solid #eee;
  font-size: 16px;
}

.last-subscribe .last-subscribe-body {
  padding: 10px;
  display: flex;
  flex-direction: column;
  height: 400px;
  -ms-overflow-style: none;
  scrollbar-width: none;
  overflow-y: scroll;
  position: relative;
}

.last-subscribe .last-subscribe-body::-webkit-scrollbar {
  display: none;
}

.last-subscribe .last-subscribe-body .last-subscribe-item {
  margin-bottom: 10px;
}

.last-subscribe .last-subscribe-body .last-subscribe-item .item-title {
  font-weight: 600;
}

.last-subscribe .last-subscribe-body .last-subscribe-item .item-bottom {
  font-size: 14px;
  color: #757575;
  display: flex;
  justify-content: space-between;
}

.last-subscribe
  .last-subscribe-body
  .last-subscribe-item
  .item-bottom
  .lecturer {
  display: flex;
  justify-content: space-between;
}
.last-subscribe .last-subscribe-body .last-subscribe-item .item-bottom .time {
  display: flex;
  justify-content: space-between;
}