body {
    font-family: 'Segoe UI', sans-serif;
    background: #f2f4f8;
    padding: 40px;
    color: #222;
  }
  
  .container {
    max-width: 800px;
    margin: auto;
    background: #fff;
    padding: 30px 40px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  }
  
  h1 {
    font-size: 26px;
    color: #003366;
    margin-bottom: 20px;
    text-align: center;
  }
  
  p {
    font-size: 16px;
    margin-bottom: 20px;
  }
  
  .logo-container {
    text-align: center;
    margin-bottom: 20px;
  }
  
  .logo-container img {
    max-width: 200px;
    height: auto;
    margin-right: 25px;
  }
  
  .btn {
    background-color: #004080;
    color: white;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    text-decoration: none;
    cursor: pointer;
  }
  
  .btn:hover {
    background-color: #005ab4;
  }
  
  .button-center {
    text-align: center;
    margin: 30px 0;
  }
  
  table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
  }
  
  th, td {
    text-align: left;
    padding: 12px 15px;
    border-bottom: 1px solid #ddd;
  }
  
  th {
    background-color: #f0f0f0;
    color: #004080;
    font-weight: 600;
  }
  
  .note {
    font-size: 14px;
    color: #555;
  }
  
  .cert-image {
    text-align: center;
    margin-top: 30px;
  }
  
  .cert-image img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  }
  
  .caption {
    font-size: 14px;
    color: #555;
    margin-top: 8px;
  }