.block_cs_suggest .footer {
    margin-top: 5px;
}

.block_cs_suggest .content li {
    margin-bottom: .3em;
}

.slider {
    display: flex;
    width: 100%; 
    transition: transform 0.3s ease-in-out;
  }
  
  .slide {
    margin-right: 10px;
  }
  
  .slide:last-child {
    margin-right: 0;
  }
  
  .slide img {
    width: 100%;
    height: auto;
  }
  
  .nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.5);
    color: #fff;
    text-align: center;
    line-height: 40px;
    font-size: 20px;
    cursor: pointer;
  }
  
  .prev-btn {
    left: 10px;
    z-index: 999;
  }
  
  .next-btn {
    right: 10px;
    z-index: 999;
  }

  .course_name_ellipsis{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }

  .lecture_play_time_label{
    position: absolute; 
    right: 5px; 
    bottom: 0;
    color: white; 
    background-color: black;
    border-radius: 10px;
  }

  section.block_cs_suggest{
    overflow: hidden;
  }

  .suggest_sort{
    width: 50px !important;
    text-align: right !important;
  }