/* CSS Document */

 .research-news-section {
    color: #1d2129;
    background: #ffffff;
    padding: 40px 0;
    box-sizing: border-box;
  }

  .research-news-section *,
  .research-news-section *::before,
  .research-news-section *::after {
    box-sizing: inherit;
  }

  .research-news-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  /* ---------- 头部 ---------- */
  .research-news-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 24px;
    margin-bottom: 28px;
    padding-bottom: 18px;
    border-bottom: 2px solid #e5e6eb;
    position: relative;
  }

  .research-news-header::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -2px;
    width: 72px;
    height: 2px;
    background: #f15312;
    border-radius: 2px;
  }

  .research-news-heading h2 {
    margin: 0 0 6px;
    font-size: clamp(22px, 2.4vw, 28px);
    font-weight: 700;
    letter-spacing: 0.5px;
    color: #1d2129;
  }

  .research-news-subtitle {
    margin: 0;
    font-size: 14px;
    color: #86909c;
    line-height: 1.5;
  }

  .research-news-more {
    flex-shrink: 0;
    font-size: 14px;
    font-weight: 500;
    color: #f15312;
    text-decoration: none;
    padding: 6px 0;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s, color 0.2s;
  }

  .research-news-more:hover {
    color: #0f4f42;
    border-bottom-color: #0f4f42;
  }

  /* ---------- 列表容器：CSS Grid 自适应 ---------- */
  .research-news-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 16px;
  }

  /* ---------- 新闻卡片 ---------- */
  .news-card {
    display: flex;
    width:100%;
    flex-direction: column;
    background: #fafbfc;
    border: 1px solid #e5e6eb;
    border-radius: 10px;
    padding: 22px 24px;
    transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
    position: relative;
    overflow: hidden;
  }

  .news-card:hover {
    border-color: #c9cdd4;
    box-shadow: 0 6px 20px rgba(26, 107, 90, 0.08);
    transform: translateY(-2px);
  }

  /* 顶部细装饰线 */
  .news-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: transparent;
    transition: background 0.25s ease;
  }

  .news-card:hover::before {
    background: #f15312;
  }

  /* 元信息行 */
  .news-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 13px;
    color: #86909c;
  }

  .news-card-category {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    color: #fff;
    background: #f15312;
    letter-spacing: 0.3px;
    white-space: nowrap;
  }

  .news-card-date {
    font-variant-numeric: tabular-nums;
  }

  /* 标题 */
  .news-card-title {
    margin: 0 0 10px;
    font-size: 17px;
    font-weight: 600;
    line-height: 1.45;
    color: #1d2129;
  }

  .news-card-title a {
    color: inherit;
    text-decoration: none;
    transition: color 0.2s;
  }

  .news-card-title a:hover {
    color: #f15312;
  }

  /* 摘要 */
  .news-card-excerpt {
    margin: 0 0 16px;
    font-size: 14px;
    line-height: 1.65;
    color: #4e5969;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
  }

  /* 底部操作 */
  .news-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 14px;
    border-top: 1px solid #e5e6eb;
    font-size: 13px;
    color: #86909c;
  }

  .news-card-link {
    font-weight: 500;
    color: #f15312;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: gap 0.2s;
  }

  .news-card-link:hover {
    gap: 8px;
  }

  .news-card-link span {
    transition: transform 0.2s;
  }

  .news-card-link:hover span {
    transform: translateX(2px);
  }

  /* ---------- 降级提示 ---------- */
  .research-news-noscript {
    grid-column: 1 / -1;
    padding: 40px;
    text-align: center;
    color: #86909c;
    background: #fafbfc;
    border-radius: 10px;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width: 768px) {
    .research-news-section {
      padding: 28px 0;
    }

    .research-news-container {
      padding: 0 16px;
    }

    .research-news-header {
      flex-direction: column;
      align-items: flex-start;
      gap: 12px;
    }

    .research-news-list {
      grid-template-columns: 1fr;
      gap: 12px;
    }

    .news-card {
      padding: 18px 18px;
    }