.block-diagram-section {
  margin: 60px auto;
  max-width: 1000px;
  padding: 20px;
}

.block-diagram-section h2 {
  margin-bottom: 10px;
  font-size: 26px;
}

.block-diagram-section p {
  margin-bottom: 20px;
  color: #444;
  line-height: 1.6;
}

.block-diagram-image {
  width: 100%;
  max-width: 900px;
  border: 1px solid #ddd;
  padding: 12px;
  background: #ffffff;
}