* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }

  body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.8;
    color: #e0e6ed;
    background: #1a1d2e;
    padding: 20px;
    min-height: 100vh;
  }

  .container {
    max-width: 1000px;
    margin: 0 auto;
    background: #252838;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    overflow: hidden;
    border: 1px solid #2d3548;
  }

  .header {
    background: linear-gradient(135deg, #2d3548 0%, #252838 100%);
    color: #7dd3fc;
    padding: 25px 30px;
    text-align: center;
    border-bottom: 2px solid #3d4560;
  }

  .header h1 {
    font-size: 1.8em;
    margin-bottom: 5px;
    font-weight: 600;
    text-shadow: 0 2px 10px rgba(125, 211, 252, 0.3);
  }

  .header .last-update {
    font-size: 0.85em;
    opacity: 0.7;
    font-style: italic;
    color: #a0aec0;
  }

  .content {
    padding: 40px 30px;
    max-height: 70vh;
    overflow-y: auto;
  }

  .content::-webkit-scrollbar {
    width: 10px;
  }

  .content::-webkit-scrollbar-track {
    background: #1a1d2e;
    border-radius: 10px;
  }

  .content::-webkit-scrollbar-thumb {
    background: #4a5568;
    border-radius: 10px;
  }

  .content::-webkit-scrollbar-thumb:hover {
    background: #5a6578;
  }

  .intro {
    background: rgba(125, 211, 252, 0.1);
    padding: 20px;
    border-radius: 12px;
    margin-bottom: 30px;
    border-left: 4px solid #7dd3fc;
    border: 1px solid rgba(125, 211, 252, 0.2);
  }

  .section {
    margin-bottom: 35px;
    background: rgba(45, 53, 72, 0.5);
    padding: 25px;
    border-radius: 12px;
    border: 1px solid #3d4560;
  }

  .section h2 {
    color: #7dd3fc;
    font-size: 1.6em;
    margin-bottom: 15px;
    padding-bottom: 10px;
    border-bottom: 2px solid #3d4560;
  }

  .section p {
    margin-bottom: 15px;
    text-align: justify;
    color: #cbd5e0;
  }

  .section ul {
    margin-left: 20px;
    margin-bottom: 15px;
  }

  .section li {
    margin-bottom: 10px;
    line-height: 1.6;
    color: #cbd5e0;
  }

  .section strong {
    color: #7dd3fc;
  }

  .separator {
    text-align: center;
    color: #3d4560;
    font-size: 1.5em;
    margin: 30px 0;
    user-select: none;
  }

  .highlight-box {
    background: rgba(168, 85, 247, 0.15);
    border-left: 4px solid #a855f7;
    padding: 15px;
    margin: 15px 0;
    border-radius: 8px;
    border: 1px solid rgba(168, 85, 247, 0.3);
  }

  .contact-box {
    background: rgba(125, 211, 252, 0.1);
    border: 2px solid #7dd3fc;
    padding: 20px;
    border-radius: 12px;
    margin-top: 20px;
  }

  .contact-box h3 {
    color: #7dd3fc;
    margin-bottom: 10px;
  }

  .contact-box a {
    color: #7dd3fc;
    font-weight: bold;
    text-decoration: none;
  }

  .contact-box a:hover {
    text-decoration: underline;
    color: #9ce5ff;
  }

  .back-button {
    display: inline-block;
    background: linear-gradient(135deg, #a855f7 0%, #8b5cf6 100%);
    color: white;
    padding: 14px 35px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    margin-top: 20px;
    box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
  }

  .back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(168, 85, 247, 0.6);
    background: linear-gradient(135deg, #b165f8 0%, #9c6cf7 100%);
  }

  .footer {
    background: #1a1d2e;
    padding: 20px;
    text-align: center;
    color: #718096;
    font-size: 0.9em;
    border-top: 1px solid #2d3548;
  }

  @media (max-width: 768px) {
    .header h1 {
      font-size: 1.8em;
    }

    .content {
      padding: 25px 20px;
      max-height: 65vh;
    }

    .section h2 {
      font-size: 1.3em;
    }

    .section {
      padding: 20px;
    }
  }