/* TreeKnow V87: el borde inferior del card desktop no puede ser transparente. */
@media(min-width:1024px){
  #tk-home-catalogo .tk-home-course-grid .course-card{
    border-bottom:1px solid #e5e5eb;
  }
  #tk-home-catalogo .tk-home-course-grid .course-card:hover,
  #tk-home-catalogo .tk-home-course-grid .course-card:focus-within{
    border-bottom:4px solid #5428fb;
  }
}

/* V89: base visible incluso al cargar fuentes/miniaturas y sin hover. */
@media(min-width:1024px){
 #tk-home-catalogo .tk-home-course-grid .course-card:not(:hover):not(:focus-within){border-bottom:1px solid #e5e5eb!important;}
}