.post-body .intro {
  font-size: 1.1em;
  color: #394150;
}
.post-body .callout {
  background: #f4f7fb;
  border-left: 4px solid #4f46e5;
  padding: 1rem 1.15rem;
  border-radius: 10px;
  margin: 1.5rem 0;
}
.post-body .callout p:last-child {
  margin-bottom: 0;
}
.post-body .grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}
.post-body .card {
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  padding: 1rem;
  background: #fff;
}
.post-body .card strong {
  display: block;
  margin-bottom: 0.35rem;
  color: #111827;
}