.course-container {
  padding: 20px 0;
  --left-width: 100px;
}
@media (min-width: 769px) {
  .course-container {
    padding: 30px 0;
    --left-width: 150px;
  }
}
@media (min-width: 1025px) {
  .course-container {
    padding: 40px 0;
    --left-width: 285px;
  }
}
.course-date-card {
  padding: 20px 22px 0;
}
.course-date-card .course-title {
  color: #fff;
  text-transform: uppercase;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.3;
}
.coure-swiper-btns {
  display: none;
}
@media (min-width: 1025px) {
  .coure-swiper-btns {
    display: flex;
  }
}
.coure-swiper-btns {
  width: var(--left-width);
  justify-content: flex-end;
  flex-shrink: 0;
}
.coure-swiper-btns .btn {
  width: 58px;
  height: 58px;
  border: 1px solid #ffffff;
  border-radius: 50%;
  color: #fff;
  margin-left: 25px;
}
.coure-swiper-btns .btn .iconfont {
  font-size: 20px;
}
.coure-swiper-btns .btn:hover {
  background-color: #ff9619;
  border-color: transparent;
}
.course-date-line_card {
  --size: 20px;
  --pd: 5px;
}
@media (min-width: 769px) {
  .course-date-line_card {
    --pd: 6px;
    --size: 30px;
    display: flex;
  }
}
@media (min-width: 1025px) {
  .course-date-line_card {
    --pd: 8px;
    --size: 40px;
  }
}
.course-date-line_card {
  transform: translateY(calc(var(--size) / 2 + 15px));
}
.course-swiper-container {
  display: block;
  overflow: hidden;
  height: 80px;
  position: relative;
  margin-top: 30px;
}
@media (min-width: 769px) {
  .course-swiper-container {
    height: 130px;
    margin-top: 0;
  }
}
@media (min-width: 1025px) {
  .course-swiper-container {
    height: 150px;
  }
}
.course-swiper-container .swiper-slide-active .date-num {
  opacity: 1;
}
.course-swiper-container .swiper-slide-active .vernier {
  display: flex;
  flex-direction: column;
}
.course-swiper-slide {
  height: 100%;
  width: auto;
  padding: 0 25px;
  position: relative;
}
.course-swiper-slide .date-num {
  font-size: 25px;
  font-weight: 700;
  color: #fff;
  opacity: 0.5;
  cursor: pointer;
}
@media (min-width: 769px) {
  .course-swiper-slide .date-num {
    font-size: 35px;
  }
}
@media (min-width: 1025px) {
  .course-swiper-slide .date-num {
    font-size: 50px;
  }
}
.course-swiper-slide {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.course-swiper-slide .vernier {
  width: var(--size);
  margin-top: auto;
  display: none;
  align-items: center;
  justify-content: center;
}
.course-swiper-slide .dot {
  margin-top: auto;
  width: var(--size);
  height: var(--size);
  padding: var(--pd);
  background-color: #fff;
  border-radius: 50%;
}
.course-swiper-slide .dot span {
  border-radius: 50%;
  display: block;
  width: 100%;
  height: 100%;
  background-color: #11a897;
}
.course-swiper-slide .iconfont {
  display: block;
  color: #11a897;
}
.time-line-x {
  display: flex;
  padding-top: 40px;
}
.time-line-x .time {
  width: var(--left-width);
  flex-shrink: 0;
  border-right: 1px solid rgba(219, 219, 219, 1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 30px;
  color: #11a897;
  font-weight: 700;
}
@media (min-width: 769px) {
  .time-line-x .time {
    font-size: 40px;
  }
}
@media (min-width: 1025px) {
  .time-line-x .time {
    font-size: 80px;
  }
}
.time-line-x .time-month-list {
  width: calc(100% - var(--left-width));
}
.time-line-x .time-month-list .month-item {
  padding: 25px 20px;
  color: #555;
  font-size: 16px;
  line-height: 1.1;
}
@media (min-width: 769px) {
  .time-line-x .time-month-list .month-item {
    padding: 30px 40px;
    font-size: 18px;
  }
}
@media (min-width: 1025px) {
  .time-line-x .time-month-list .month-item {
    padding: 45px 60px;
  }
}