.page-sub-content {
    line-height: 1.9;
    font-size: 16px;
  }

  .page-sub-content img:not(.page-sub-pic) {
    max-width: 100%;
    height: auto;
  }

  .page-sub-pic {
    float: left;
    max-width: 500px;
    width: 100%;
    height: auto;
    margin: 4px 26px 18px 0;
    border-radius: 12px;
  }

  .page-sub-content:after {
    content: "";
    display: block;
    clear: both;
  }

  .page-sub-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 26px;
  }

  .page-sub-card {
    display: block;
    border: 1px solid #e8e8e8;
    border-radius: 12px;
    overflow: hidden;
    background: #fff;
    text-decoration: none;
    transition: box-shadow 0.2s ease, transform 0.2s ease;
  }

  .page-sub-card:hover {
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
    transform: translateY(-3px);
  }

  .page-sub-card img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
  }

  .page-sub-card .page-sub-card-body {
    padding: 14px 16px;
  }

  .page-sub-card h5 {
    margin: 0;
    font-size: 16px;
    line-height: 1.4;
    color: inherit;
  }

  ul.page-sidebar-nav {
    list-style: none;
    margin: 0;
    padding: 0;
  }

  ul.page-sidebar-nav li {
    border-bottom: 1px solid #f0f0f0;
  }

  ul.page-sidebar-nav li:last-child {
    border-bottom: none;
  }

  ul.page-sidebar-nav a {
    display: block;
    padding: 10px 2px;
    text-decoration: none;
    transition: padding-left 0.15s ease;
  }

  ul.page-sidebar-nav a:hover {
    padding-left: 8px;
  }

  ul.page-sidebar-nav a.active {
    font-weight: 600;
    padding-left: 8px;
  }

  @media (max-width: 991px) {
    .page-sub-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .page-sub-pic {
      float: none;
      max-width: 100%;
    }
  }

  @media (max-width: 575px) {
    .page-sub-grid {
      grid-template-columns: 1fr;
    }
  }