.post-hero { 
    margin-bottom: 2rem; 
}
.post-hero img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
}

.post-mini { 
    margin-bottom: 2rem; 
}
.post-mini img {
  max-width: 240px;
  height: auto;
  display: block;
  border-radius: 12px;
}

/* Miniatura del listado */
.post-mini {
  width: 240px;            /* caja fija */
  height: 150px;           /* caja fija */
  border-radius: 12px;     /* esquinas redondas visibles */
  overflow: hidden;        /* RECORTA el contenido al radio */
  margin-bottom: 2rem;
  box-shadow: 0 6px 18px rgba(0,0,0,.06);
}

.post-mini__img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;       /* rellena sin deformar */
}