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

body {
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #f5f5f5;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background-color: #fff;
  border-bottom: 3px solid #0066cc;
  padding: 20px 0;
  margin-bottom: 20px;
}

h1 {
  color: #0066cc;
  font-size: 2em;
  margin-bottom: 10px;
  padding: 20px 0;
}

article {
  background-color: #fff;
  padding: 30px;
  margin-bottom: 30px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

article h2 {
  color: #0066cc;
  margin-top: 25px;
  margin-bottom: 15px;
  font-size: 1.5em;
}

article h3 {
  color: #0066cc;
  margin-top: 20px;
  margin-bottom: 10px;
  font-size: 1.2em;
}

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

article table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  overflow-x: auto;
  display: block;
}

article table td,
article table th {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: left;
}

article table th {
  background-color: #f0f0f0;
  font-weight: bold;
  color: #0066cc;
}

article strong {
  color: #0066cc;
}

article img {
  max-width: 100%;
  height: auto;
  display: block;
  margin: 10px auto;
}

.transition-section {
  background-color: #fff;
  padding: 25px 30px;
  margin-bottom: 30px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.transition-section p {
  margin-bottom: 15px;
  line-height: 1.6;
}

.links-section {
  background-color: #fff;
  padding: 30px;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  margin-bottom: 30px;
}

.links-section h3 {
  color: #0066cc;
  margin-top: 20px;
  margin-bottom: 15px;
  font-size: 1.3em;
}

.links-section h3:first-child {
  margin-top: 0;
}

.links-section ul {
  list-style: none;
  column-count: 2;
  column-gap: 30px;
  margin-bottom: 20px;
}

.links-section ul li {
  margin-bottom: 10px;
  break-inside: avoid;
}

.links-section ul li a {
  color: #0066cc;
  text-decoration: none;
  display: block;
  padding: 5px 0;
  transition: color 0.3s ease;
}

.links-section ul li a:hover {
  color: #004499;
  text-decoration: underline;
}

footer {
  background-color: #333;
  color: #fff;
  text-align: center;
  padding: 20px 0;
  margin-top: 40px;
}

@media (max-width: 768px) {
  h1 {
    font-size: 1.5em;
  }

  article {
    padding: 20px;
  }

  article h2 {
    font-size: 1.3em;
  }

  article h3 {
    font-size: 1.1em;
  }

  .links-section ul {
    column-count: 1;
  }

  article table {
    font-size: 0.9em;
  }

  article table td,
  article table th {
    padding: 5px;
  }
}

@media (max-width: 480px) {
  h1 {
    font-size: 1.3em;
  }

  article {
    padding: 15px;
  }

  .transition-section {
    padding: 15px 20px;
  }

  .links-section {
    padding: 20px;
  }
}