h1 {
      color: #2c3e50;
      text-align: center;
      
      padding-bottom: 12px;
      margin-bottom: 30px;
      font-size: 2em;
    }

    .series-header {
      color: #e74c3c;
      font-size: 1.6em;
      font-weight: bold;
      text-align: center;
      margin: 40px 0 15px 0;
    }

    .headline {
      font-size: 3.5em;
      font-weight: 900;
      text-transform: uppercase;
      color: white;
      letter-spacing: -1px;
      margin: 0;
      text-align: center;
      background: linear-gradient(135deg, #2c3e50, #1a252c);
      padding: 20px 0;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    }

    .author {
      text-align: center;
      font-size: 0.9em;
      color: #7f8c8d;
      margin: 10px 0 30px 0;
    }

    .intro {
      background-color: #fff;
      padding: 25px;
      border-radius: 10px;
      margin: 30px 0;
      box-shadow: 0 3px 10px rgba(0,0,0,0.05);
      border-left: 4px solid #3498db;
    }

    .intro p {
      margin-bottom: 15px;
      text-align: justify;
    }

    .highlight {
      color: #e74c3c;
      font-weight: 600;
    }

    h2 {
      color: #2c3e50;
      border-left: 5px solid #27ae60;
      padding-left: 18px;
      margin: 40px 0 20px 0;
      font-size: 1.6em;
      font-weight: 600;
    }

    .highlight-box {
      background-color: #fff;
      padding: 25px;
      border-radius: 10px;
      margin: 30px 0;
      box-shadow: 0 3px 10px rgba(0,0,0,0.05);
      border: 1px solid #e0e0e0;
    }

    .highlight-header {
      color: #e74c3c;
      font-weight: 600;
      font-size: 1.2em;
      margin-top: 0;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .highlight-header::before {
      content: '';
      display: block;
      width: 20px;
      height: 20px;
      background-color: #e74c3c;
    }

    p {
      margin-bottom: 20px;
      text-align: justify;
    }

    .tip {
      background-color: #f8f9fa;
      padding: 18px;
      border-left: 4px solid #3498db;
      border-radius: 0 8px 8px 0;
      font-style: italic;
      font-size: 0.95em;
      margin: 20px 0;
    }
.section-header {
      background-color: #e74c3c;
      color: white;
      padding: 12px 20px;
      border-radius: 8px;
      margin: 30px 0 20px 0;
      font-size: 1.4em;
      font-weight: bold;
      text-align: center;
    }

    table {
      width: 100%;
      border-collapse: collapse;
      margin: 20px 0;
      box-shadow: 0 2px 8px rgba(0,0,0,0.05);
      border-radius: 8px;
      overflow: hidden;
    }

    th, td {
      padding: 12px;
      text-align: left;
      border-bottom: 1px solid #eee;
    }

    th {
      background-color: #f8f9fa;
      font-weight: 600;
      color: #2c3e50;
    }

    tr:last-child td {
      border-bottom: none;
    }

    .note {
      font-size: 0.9em;
      color: #7f8c8d;
      font-style: italic;
      margin: 15px 0;
      padding: 10px;
      background-color: #f8f9fa;
      border-left: 4px solid #3498db;
      border-radius: 0 4px 4px 0;
    }

   



    @media (max-width: 600px) {
     

      h1 {
        font-size: 1.7em;
      }

      .headline {
        font-size: 2.5em;
        padding: 15px 0;
      }

      .intro {
        padding: 20px;
      }
    }
 @media (max-width: 600px) {
     

      h2 {
        font-size: 1.4em;
        padding-left: 15px;
      }

      .highlight-box {
        padding: 20px;
      }
 .section-header {
        font-size: 1.3em;
        padding: 10px 15px;
      }

      th, td {
        padding: 8px;
        font-size: 0.95em;
      }
    }