// 课程标题，课程切换按钮
.course_name {
    width: 100%;
    height: 80rpx;
    background-color: #fff;
  }
  .course_titles {
    width: 100%;
    display: flex;
    align-items: center;
    padding: 0rpx 20rpx;
  }
  .video_t1 {
    width: 405rpx;
    height: 80rpx;
    color: #333333;
    line-height: 80rpx;
    font-size: 30rpx;
    font-family: PingFang SC;
    font-weight: bold;
    color: #333333;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }
  .one {
    width: 450rpx;
  }
  
  .notice_wrap {
    height: 80rpx;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-right: 10rpx;
    .video_t1_t {
      width: 124rpx;
      height: 40rpx;
      line-height: 40rpx;
      text-align: center;
      background: rgba(245, 154, 35, 1);
      color: #333;
      border-radius: 10rpx;
      font-size: 24rpx;
    }
  }
  .toggle_course {
    width: 230rpx;
    height: 56rpx;
    background: #F1F5F8;
    border-radius: 28rpx;
    display: flex;
    align-items: center;
    justify-content: center;
    .img {
      width: 32rpx;
      height: 32rpx;
      margin-right: 4rpx;
    }
    .toggle_name, .numbers {
      color: #4B4B4B;
      font-size: 24rpx;
    }
  }
// 切换课程弹窗
.popup_box {
    width: 100%;
    height: 938rpx;
    padding: 56rpx 56rpx 0rpx;
    .check_head {
      height: 200rpx;
      border-bottom: 2rpx solid #F0F0F0;
    }
    .headers {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      .grade {
        font-size: 40rpx;
        font-weight: bold;
        color: #222222;
      }
    }
    .coruse_num {
      margin-top: 12rpx;
      font-size: 28rpx;
      color: #222222;
    }
    .menuSel {
      width: 100%;
      height: 58rpx;
      white-space:nowrap;
      overflow: hidden;
      margin-top: 40rpx;
      .r_t1 {
        font-size: 28rpx;
        font-weight: 400;
        color: #969696;
      }
      .sub_sliper {
        width: 100%;
        height: 100%;
      }
      .nactive {
        font-size: 32rpx;
        font-weight: bold;
        color: #222222;
        position: relative;
        top: 0rpx;
        left: 0rpx;
        &::after {
          content: '';
          width: 32rpx;
          height: 8rpx;
          background: #498AFE;
          border-radius: 180rpx;
          position: absolute;
          bottom: -15rpx;
          left: 19rpx;
        }
      }
    }
    .course_items {
      width: 100%;
      padding: 24rpx 0rpx 20rpx;
      display: flex;
      align-items: center;
      justify-content: space-between;
      border-bottom: 2rpx solid #F0F0F0;
      .course_lefts {
        width: 510rpx;
      }
      .course_title {
        font-size: 28rpx;
        font-weight: 500;
        color: #303030;
      }
      .course_pros {
        font-size: 22rpx;
        color: #969696;
        margin-top: 16rpx;
        >text {
          color: #4B4B4B;
        }
      }
      .course_rights {
        display: flex;
        flex-direction: column;
        align-items: center;
        .cicles {
          width: 32rpx;
          height: 32rpx;
          line-height: 26rpx;
          text-align: center;
          border-radius: 50%;
          background-color: #D5E4FF;
        }
        .intoStudy {
          font-size: 22rpx;
          color: #498AFE;
          margin-top: 16rpx;
        }
      }
    }
  }