.knowledge-hero-art {
  position: relative;
  overflow: hidden;
  aspect-ratio: 16 / 7;
  margin: 0 0 24px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--panel);
}

.knowledge-hero-art img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 58%;
}

.knowledge-hero-art::after {
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10, 7, 5, 0.78), transparent 45%);
  content: "";
  pointer-events: none;
}

.knowledge-hero-art figcaption {
  position: absolute;
  z-index: 1;
  right: 20px;
  bottom: 16px;
  left: 20px;
  color: #f5e9d8;
  font-size: var(--umsh-text-sm, 13px);
  line-height: 1.6;
}

@media (max-width: 640px) {
  .knowledge-hero-art { aspect-ratio: 4 / 3; border-radius: 10px; }
  .knowledge-hero-art figcaption { right: 14px; bottom: 12px; left: 14px; font-size: var(--umsh-text-xs, 12px); }
}