.format-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
  }
  .format-item {
    background: white;
    border-radius: 12px;
    padding: 2rem 1rem;
    text-align: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.08);
    transition: transform 0.2s, box-shadow 0.2s;
  }
  .format-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.12);
  }
  .format-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
  }
  .word { color: #2b579a; }
  .excel { color: #217346; }
  .pdf { color: #c23b22; }
  .format-item a {
    display: block;
    margin-top: 0.5rem;
    color: #0d6efd;
    text-decoration: none;
    text-align: left;
  }
  .format-item a:hover {
    text-decoration: underline;
  }