.course-info {
  margin: 120px 0;
}

@media (max-width: 576px) {
  .course-info__title {
    font-size: 28px;
  }
}

.course-info__meta {
  margin-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-info__title {
  font-family: PingFangTC;
  font-size: 32px;
  font-weight: 600;
  color: #444;
  padding-bottom: 32px;
  border-bottom: 1px solid #ececec;
}

.li__group {
  padding: 4px 0;
}

.li__head {
  flex-shrink: 0;
}

.li__icon {
  border-radius: 100%;
  width: 28px;
  height: 28px;
  background-color: #d4eaeb;
  margin-right: 12px;
  font-family: FontAwesome5Pro;
  font-size: 16px;
  font-weight: 300;
  line-height: 28px;
  text-align: center;
  color: #444;
  flex-shrink: 0;
}

@media (max-width: 576px) {
  .course-info__meta {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    margin-bottom: 6px;
    align-items: start;
  }
}

.course-info__media-group {
  margin-top: 44px;
}

.course-info__media {
  border-radius: 16px;
  margin-right: 30px;
}

.course-info__detail {
  padding: 44px 0;
  border-bottom: 1px solid #ececec;
}

.course-info__intro {
  padding: 44px 0;
  border-bottom: 1px solid #ececec;
}

.course-info__special {
  padding-top: 44px;
}

.course-info__subtitle {
  color: #41a9a5;
  margin-bottom: 16px;
  font-size: 20px;
}

/* ==== */
.course-unit {
  padding: 120px 0;
  background: #f8f8f8;
}

.course-unit__head {
  font-family: PingFangTC;
  font-size: 32px;
  font-weight: 600;
  color: #444;
  padding-bottom: 52px;
  text-align: center;
}

.course-unit__title-group {
  font-family: PingFangTC;
  font-size: 32px;
  font-weight: 600;
  color: #444;
  padding-bottom: 32px;
  border-bottom: 1px solid #ececec;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.course-unit__button-group {
  display: flex;
}

.course-unit__button {
  border: 2px solid #83cbc8;
  border-radius: 19px;
  padding: 8px 12px;
  color: var(--03-btn-primary);
  font-size: 16px;
  font-weight: normal;
  margin-left: 24px;
}

@media (max-width: 576px) {
  .course-unit__title-group {
    font-size: 28px;
    display: flex;
    flex-direction: column;
    align-items: start;
  }

  .course-unit__button {
    margin: 12px 24px 0 0;
  }
}