.cta-box {
  background: #f7faff;
  border: 1px solid #007bff22;
  color: #09497b;
  font-size: 1.15em;
  padding: 10px 15px;
  border-radius: 8px;
  margin-bottom: 1em;
  text-align: center;
}
.cta-box .mejor-precio { color: #d61743; font-weight: bold; }