* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Noto Sans", sans-serif;
}

body {
  font-family: "Noto Sans", sans-serif;
  line-height: 1.6;
  color: #003087;
  background-color: #f4f6f9;
  padding: 0 20px;
}

.header {
  padding: 40px 0 20px;
  text-align: center;
}

.header h1 {
  font-size: 2.5rem;
  color: #003087;
}

.internal-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 15px;
  gap: 15px;
}

.internal-nav a {
  color: #003087;
  background: #e0ebff;
  padding: 10px 15px;
  border-radius: 6px;
  text-decoration: none;
  font-weight: bold;
  transition: background 0.3s ease;
}

.internal-nav a:hover {
  background: #c2d9ff;
}

.content {
  max-width: 900px;
  margin: 30px auto;
  background: white;
  border-radius: 8px;
  padding: 30px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.resource-section {
  margin-bottom: 50px;
}

.resource-section h2 {
  font-size: 1.8rem;
  margin-bottom: 10px;
  color: #002060;
}

.download-link {
  display: inline-block;
  margin-top: 10px;
  background-color: #003087;
  color: white;
  padding: 10px 20px;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.download-link:hover {
  background-color: #0056b3;
}

.footer {
  text-align: center;
  margin: 30px 0;
  font-size: 0.9rem;
  color: #555;
}

@media (max-width: 600px) {
  .header h1 {
    font-size: 2rem;
  }

  .internal-nav {
    flex-direction: column;
    align-items: center;
  }

  .download-link {
    width: 100%;
    text-align: center;
  }
}