body {
  font-family: Arial, sans-serif;
  background: #f4f4f4;
}

.section-title {
  margin: 40px 0 10px;
  font-weight: bold;
  text-align: center;
  position: relative;
}

.section-title::after {
  content: "";
  display: block;
  width: 60px;
  height: 4px;
  background-color: #007bff;
  margin: 10px auto 0;
  border-radius: 2px;
}

.catalog-section {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 25px;
  margin-bottom: 30px;
}

.catalog-card {
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  padding: 20px;
  text-align: center;
  height: 100%;
}

.catalog-card img {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 15px;
}

.catalog-card a {
  margin-top: 10px;
  display: inline-block;
}

.row {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

.col-md-4 {
  flex: 1 1 calc(33.333% - 20px);
  max-width: calc(33.333% - 20px);
}

@media (max-width: 768px) {
  .col-md-4 {
    flex: 1 1 100%;
    max-width: 100%;
  }
}