.card {
      background: #fff;
      border-radius: 12px;
      padding: 20px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    }

.tab-UI1 {
      margin-top: 20px;
    }
    .tab-UI1 input[type="radio"] {
      display: none;
    }

.tab-btn {
      display: inline-block;
      background: #e0f0f0;
      padding: 10px 18px;
      margin-right: 8px;
      border-radius: 6px 6px 0 0;
      cursor: pointer;
      transition: background 0.3s;
    }
    .tab-btn:hover {
      background: #cce5e5;
    }
    .tab-tgl:checked + .tab-btn {
      background: #00a3a3;
      color: white;
      font-weight: bold;
    }

.tab-content {
      display: none;
      background: white;
      border-radius: 0 0 8px 8px;
      padding: 20px;
      box-shadow: 0 4px 10px rgba(0,0,0,0.1);
      margin-bottom: 20px;
    }
    .tab-tgl:checked + .tab-btn + .tab-content {
      display: block;
    }

.section {
      max-width: 1080px;
      margin: auto;
      padding: 40px 20px;
    }

ul {
      padding-left: 20px;
    }
    li {
      margin-bottom: 8px;
    }

h3 {
      margin-top: 0;
      color: #007777;
      font-size: 1.3rem;
    }

footer {
      text-align: center;
      font-size: 0.9rem;
      color: #777;
      padding: 30px 0;
      background: #f0f0f0;
    }