.add-video-course-page {
  position:relative !important;
  .box{
    margin-bottom:52px !important;
  }
  .ant-radio-group {
    display: flex;
    flex-direction: column;


    .radio-item {
      margin-bottom: 12px;

      .text {
        color: #333;
      }
      .sub-text {
        color: #999;
      }
    }

    .ant-radio {
      vertical-align: top;
      padding-top: 2px;
    }
  }

  .form {
    margin-top: 16px;
    padding: 0 16px;
    .label{
      display:inline-block;
      text-align:right;
      width:85px;
    }
    .required {
      position: relative;
  
      &::before {
        position: absolute;
        content: '*';
        color: red;
        left: 5px;
        top: 6px;
      }
  
      &.label::before {
        top: 0;
      }
    }
    .course-catalog{
      margin-bottom:16px;
      margin-top:16px;
    }
    .course-ware {
      display: flex;
      align-items: center;
      margin-bottom: 4px;

      &__img {
        width: 24px;
        margin-right: 4px;
      }

      &__name {
        color: #333;
      }
    }

    .flex {
      display: flex;
    }
    
    .cover-url__wrap {
      .img-content {
        width: 298px;
        height: 172px;
        
        img {
          width: 100%;
          height: 100%;
          object-fit: contain;
        }
      }
      .empty-img {
        width: 298px;
        height: 172px;
        border: 1px dashed #EBEBEB;
        border-radius: 4px;
        padding: 12px;
        color: #999;
        padding: 52px 24px;
        text-align: center;
      }
    
      .opt-btns {
        margin-top: 8px;
        display: flex;
        align-items: center;
  
        .tips {
          margin-left: 12px;
          color: #999;
        }
      }
    }

    .select-student {
      align-items: center;
      margin-left: 24px;
      margin-top: 8px;

      .has-selected {
        margin-left: 12px;
        color: #333;
      }
    }

    .sub-content {
      margin-left: 85px;
      margin-top: 4px;

      .tips {
        margin-left: 4px;
        color: #999;
      }
    }
  }

  .footer {
    position: fixed;
    left: 196px;
    bottom: 0;
    height: 58px;
    width: ~'calc(100% - 218px)';
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 72px;
    background: #fff;
    border-top: 1px solid #E8E8E8;
    z-index: 999;
    .ant-btn {
      margin-left: 10px;
    }
  }
}