.poster-wrapper {
  text-align: center;
  margin: 20px auto;
  padding: 10px;
}

.poster-image {
  max-width: 100%;
  height: auto;
  border-radius: 14px;
  border: 4px solid transparent;
  background: linear-gradient(135deg, #a1c4fd, #c2e9fb) border-box;
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}