* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
      background: #f5f5f5;
    }
    /* 通知公告样式 */
.yixue-news-container1{
background-image: url(../img/jxyxy1.png);
    background-size: 100% 100%;
padding:5rem 0;
}
    .yixue-news-container {
      width: 100%;
      margin: 60px auto;
      display: flex;
      gap: 70px;
    }
    .yixue-news-card {
      flex: 1;
      background: #fff;
      border-radius: 4px;
      overflow: hidden;
    }

    .yixue-news-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 30px 20px;
      background: #e6edf4;
      border-bottom: 1px solid #e8e8e8;
    }

    .yixue-tabs-wrapper {
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .yixue-tab-item {
      font-size: 25px;
      font-weight: bold;
      color: #999;
      cursor: pointer;
      transition: color 0.3s;
    }

    .yixue-tab-item.yixue-active-tab {
      color: #002a52;
    }

    .yixue-tab-item:hover {
      color: #002a52;
    }

    .yixue-tab-separator {
      color: #ccc;
      font-size: 20px;
      font-weight: normal;
    }

    .yixue-view-more {
      display: flex;
      align-items: center;
      color: #666;
      font-size: 14px;
      text-decoration: none;
      transition: color 0.3s;
    }

    .yixue-view-more:hover {
      color: #002a52;
    }

    .yixue-view-more svg {
      width: 40px;
      height: 16px;
    }
    .yixue-tab-pane {
      display: none;
    }

    .yixue-tab-pane.yixue-active-pane {
      display: block;
    }

    .yixue-news-list {
      list-style: none;
    }

    .yixue-news-item {
      position: relative;
      padding: 25px 20px;
    }

    .yixue-news-item:last-child {
      border-bottom: none;
    }

    .yixue-news-link {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      text-decoration: none;
      color: #333;
    }

    .yixue-news-title {
      flex: 1;
      font-size: 17px;
      line-height: 1.6;
      color: #333;
      transition: color 0.3s;
      padding-right: 15px;
      overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
    }
 .yixue-news-item:hover {
    background: #e6edf4;
    }
    .yixue-news-item:hover .yixue-news-title {
      color: #002a52;
    }

    .yixue-news-date {
      font-size: 14px;
      color: #999;
      white-space: nowrap;
    }

    /* 统一摘要样式 */
    .yixue-news-summary {
      display: none;
      margin-top: 8px;
      padding: 10px 12px;
      border-radius: 6px;
      font-size: 17px;
      color: #555;
      line-height: 2;
      border-bottom: 1px dashed #e0e0e0;
min-height:90px;
    }

    /* 激活摘要的条目 */
    .yixue-news-item.yixue-active-summary .yixue-news-summary {
        display: -webkit-box;
  -webkit-line-clamp: 2;  /* 显示行数 */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
    }

    /* 激活摘要的标题高亮 */
    .yixue-news-item.yixue-active-summary .yixue-news-title {
      font-weight: bold;
    font-size: 20px;
    }

    .yixue-divider::after {
      content: '';
      position: absolute;
      right: 0;
      top: 10px;
      width: 30px;
      height: 14px;
    
      background-size: contain;
    }

    @media (max-width: 768px) {
      .yixue-news-container {
        flex-direction: column;
      }
.yixue-news-summary {
     padding: 0px; 
min-height:60px;
}
    }


  
    .yixue1-research-section * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    .yixue1-research-section body {
      font-family: "Microsoft YaHei", "PingFang SC", sans-serif;
      background: #f5f5f5;
      padding: 20px;
    }

    .yixue1-research-section {
    width: 100%;
      margin: 0 auto;
      border-radius: 4px;
      overflow: hidden;
background-image: url(../img/kyjz-bg.png);
    background-size: 100% 100%;
    padding: 5rem 0;
    }

    .yixue1-research-section .view-more {
      display: flex;
      align-items: center;
      color: #666;
      font-size: 14px;
      text-decoration: none;
      transition: color 0.3s;
    }

    .yixue1-research-section .view-more:hover {
      color: #002a52;
    }

    .yixue1-research-section .view-more svg {
      height: 20px;
    }

    /* 内容区域 */
    .yixue1-research-section .section-content {
      display: flex;
width:90%;
    }

    /* 左侧图片轮播 - 占更大比例 */
    .yixue1-research-section .image-slider {
      width: 70%;
      position: relative;
      overflow: hidden;
      background: #f0f0f0;
    }

    .yixue1-research-section .slider-container {
      position: relative;
      width: 100%;
      height: 100%;
      min-height: 650px;
    }

    .yixue1-research-section .slide {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      opacity: 0;
      transition: opacity 0.5s ease;
    }

    .yixue1-research-section .slide.active {
      opacity: 1;
    }

    .yixue1-research-section .slide img {
      width: 100%;
      height: 100%;
      object-fit: fill;
    }

    /* 轮播指示器 */
    .yixue1-research-section .slider-dots {
      position: absolute;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 8px;
      z-index: 10;
    }

    .yixue1-research-section .dot {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background: rgba(255,255,255,0.5);
      cursor: pointer;
      transition: background 0.3s;
    }

    .yixue1-research-section .dot.active {
      background: #002a52;
    }

    /* 导航按钮 */
    .yixue1-research-section .nav-buttons {
      position: absolute;
      right: 20px;
      top: 50%;
      transform: translateY(-50%);
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 10;
    }

    .yixue1-research-section .nav-btn {
      width: 40px;
      height: 40px;
      background: #002a52;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      display: flex;
      align-items: center;
      justify-content: center;
      transition: background 0.3s;
    }

    .yixue1-research-section .nav-btn:hover {
      background: #002a52;
    }

    .yixue1-research-section .nav-btn svg {
      width: 20px;
      height: 20px;
      fill: #fff;
    }

    /* 右侧新闻列表 */
    .yixue1-research-section .news-panel {
      width: 45%;
      display: flex;
      flex-direction: column;
      border-left: 1px solid #e0e0e0;
margin-left: -15%;
    }

    .yixue1-research-section .news-list {
      list-style: none;
      display: flex;
      flex-direction: column;
background-color: #fff;
    z-index: 999;
gap: 0px;
    }

    .yixue1-research-section .news-item {
      position: relative;
      width:100%;
      border-bottom: 1px solid #f0f0f0;
      cursor: pointer;
      transition: all 0.3s ease;
      overflow: hidden;
    }

    .yixue1-research-section .news-item:last-child {
      border-bottom: none;
    }

    /* 默认状态 - 只显示标题 */
    .yixue1-research-section .news-item .news-collapsed {
      padding: 25px 30px;
    }

    .yixue1-research-section .news-item .news-title-collapsed {
      font-size: 18px;
      color: #333;
      line-height: 1.6;
      overflow: hidden;
      text-overflow: ellipsis;
      white-space: nowrap;
    }

    .yixue1-research-section .news-item:hover .news-title-collapsed {
      color: #002a52;
    }

    /* 展开状态 - 显示完整内容 */
    .yixue1-research-section .news-item .news-expanded {
      display: none;
      padding: 30px;
    }

    .yixue1-research-section .news-item.expanded {
      background: #fff;
border-top: 4px solid #002a52;
background: #e6edf4;
    }

    .yixue1-research-section .news-item.expanded .news-collapsed {
      display: none;
    }

    .yixue1-research-section .news-item.expanded .news-expanded {
      display: block;
    }

    /* 展开后的内容样式 */
    .yixue1-research-section .news-date {
      display: flex;
      align-items: center;
      gap: 8px;
      color: #002a52;
      font-size: 14px;
      margin-bottom: 12px;
    }

    .yixue1-research-section .news-date-icon {
      width: 16px;
      height: 16px;
      border: 2px solid #002a52;
      border-radius: 50%;
      position: relative;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .yixue1-research-section .news-date-icon::after {
      content: '';
      width: 6px;
      height: 6px;
      background: #002a52;
      border-radius: 50%;
    }

    .yixue1-research-section .news-title {
      font-size: 20px;
      font-weight: bold;
      color: #002a52;
      line-height: 1.5;
      margin-bottom: 12px;
    }

    .yixue1-research-section .news-summary {
      font-size: 16px;
      color: #666;
      line-height: 1.8;
      margin-bottom: 15px;

display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    word-break: break-word;
    }

    .yixue1-research-section .news-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 13px;
      color: #999;
    }

    .yixue1-research-section .news-source {
      color: #666;
    }

    /* 红色分隔线 - 在展开项后面 */
    .yixue1-research-section .divider-red {
      height: 4px;
      background: #002a52;
      margin: 0;
      display: none;
    }

    .yixue1-research-section .news-item.expanded + .divider-red {
      display: block;
    }

    /* 响应式 */
  @media (max-width: 1400px) {
.yixue1-research-section .slider-container {
    min-height: 450px;
}
}
    @media (max-width: 768px) {
      .yixue1-research-section .section-content {
        flex-direction: column;
      }
.yixue1-research-section .news-panel {
    margin-left: 0%;
}

      .yixue1-research-section .image-slider,
      .yixue1-research-section .news-panel {
        width: 100%;
      }

      .yixue1-research-section .image-slider {
        min-height: 250px;
      }

      .yixue1-research-section .slider-container {
        min-height: 250px;
      }

      .yixue1-research-section .section-title {
        font-size: 24px;
      }

      .yixue1-research-section .news-item.expanded .news-title {
        font-size: 16px;
      }

      .yixue1-research-section .nav-buttons {
        right: 10px;
      }

      .yixue1-research-section .nav-btn {
        width: 32px;
        height: 32px;
      }
    }



/* 医学教育样式*/
   .yixue2-bg-pattern {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-image: 
        radial-gradient(circle at 20% 30%, rgba(255,255,255,0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255,255,255,0.03) 0%, transparent 50%);
      pointer-events: none;
    }

    .yixue2-container {
      width: 100%;
      margin: 0 auto;
      padding: 40px 0px;
    }

    .yixue2-header {
      text-align: center;
      margin-bottom: 50px;
    }

    .yixue2-header h1 {
      color: #fff;
      font-size: 36px;
      font-weight: 600;
      margin-bottom: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 15px;
    }

    .yixue2-header h1::before,
    .yixue2-header h1::after {
      content: '◆';
      font-size: 12px;
      color: rgba(255,255,255,0.6);
    }

    .yixue2-header .yixue2-subtitle {
      color: rgba(255,255,255,0.7);
      font-size: 14px;
      letter-spacing: 3px;
      text-transform: uppercase;
    }

    .yixue2-content {
      display: flex;
      gap: 60px;
      align-items: flex-start;
    }

    .yixue2-sidebar {
      width: 500px;
      flex-shrink: 0;
      padding-top: 20px;
    }

    .yixue2-article-list {
      list-style: none;
    }

    .yixue2-article-item {
      margin-bottom: 30px;
      cursor: pointer;
      transition: all 0.3s ease;
      position: relative;
      padding-left: 25px;
    }

    .yixue2-article-item.yixue2-active::before {
      opacity: 1;
    }

    .yixue2-article-item.yixue2-active .yixue2-article-title {
      color: #f39c12;
      font-weight: 600;
    }

    .yixue2-article-title {
      font-size: 20px;
      line-height: 1.7;
      font-weight: 500;
      transition: all 0.3s ease;
    }

    .yixue2-article-item:hover .yixue2-article-title {
      color: #f39c12;
    }

    .yixue2-book-container {
      flex: 1;
      display: flex;
      justify-content: center;
      align-items: flex-start;
    }

    .yixue2-book {
      width: 900px;
      height: 500px;
      position: relative;
      background: #fff;
      border-radius: 8px;
      box-shadow: 0 10px 40px rgba(0,0,0,0.2);
      overflow: hidden;
    }

    .yixue2-left-page {
      width: 50%;
      height: 100%;
      background: #fff;
      border-radius: 8px 0 0 8px;
      position: relative;
      padding: 30px;
      display: flex;
      flex-direction: column;
    }

    .yixue2-right-page {
      width: 50%;
      height: 100%;
      background: #fff;
      border-radius: 0 8px 8px 0;
      position: relative;
      padding: 50px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      border-left: 1px solid #e0e0e0;
    }

    .yixue2-spine {
      position: absolute;
      left: 50%;
      top: 0;
      width: 30px;
      height: 100%;
      background: linear-gradient(to right, #d0d0d0 0%, #f0f0f0 50%, #d0d0d0 100%);
      transform: translateX(-50%);
      z-index: 10;
      box-shadow: inset 2px 0 5px rgba(0,0,0,0.1), inset -2px 0 5px rgba(0,0,0,0.1);
    }

    .yixue2-date-badge {
      position: absolute;
      top: 30px;
      left: 30px;
      width: 80px;
      height: 80px;
      background: #c0392b;
      border-radius: 50%;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      color: #fff;
      z-index: 10;
      box-shadow: 0 4px 15px rgba(192, 57, 43, 0.4);
    }

    .yixue2-date-badge .yixue2-day {
      font-size: 32px;
      font-weight: bold;
      line-height: 1;
    }

    .yixue2-date-badge .yixue2-month-year {
      font-size: 12px;
      margin-top: 3px;
    }

    .yixue2-article-image-container {
      flex: 1;
      display: flex;
      align-items: center;
      justify-content: center;
      background: #f8f9fa;
      border-radius: 8px;
      overflow: hidden;
      margin-top: 60px;
    }

    .yixue2-image-placeholder {
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      background-size: cover;
      background-position: center;
      min-height: 300px;
    }

    .yixue2-article-abstract {
      font-size: 18px;
      line-height: 2;
      color: #444;
      text-align: justify;
      margin-bottom: 30px;
      overflow-y: auto;
      max-height: 380px;
    }

    .yixue2-view-detail-btn {
      padding: 12px 30px;
      background: #2c3e50;
      color: #fff;
      border: none;
      border-radius: 4px;
      cursor: pointer;
      font-size: 15px;
      transition: background 0.3s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      align-self: flex-start;
    }

    .yixue2-view-detail-btn:hover {
      background: #34495e;
    }
 @media (max-width: 1400px) {   .yixue2-book{ display:none;}}
    @media (max-width: 1200px) {
      .yixue2-container { padding: 20px; }
   
      .yixue2-sidebar { width: 100%; padding-top: 0; }
      .yixue2-book { width: 100%; max-width: 700px; height: auto; flex-direction: column; }
      .yixue2-left-page { width: 100%; min-height: 300px; }
      .yixue2-right-page { width: 100%; padding: 30px; }
      .yixue2-spine { display: none; }
      .yixue2-article-title { font-size: 18px; }
    }