.section-title {
      font-size: 2rem;
      font-weight: 600;
      color: #B22222;
      margin-bottom: 20px;
    }
    .spare-card {
      transition: transform 0.3s ease;
      border: 1px solid #e1e1e1;
    }
    .spare-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    }
    .spare-icon {
      font-size: 40px;
      color: #B22222;
      margin-bottom: 15px;
    }
    .subtopic-list {
      text-align: left;
      padding-left: 0;
      list-style: none;
    }
    .subtopic-list li::before {
      content: "✔️ ";
      color: green;
      margin-right: 5px;
    }