.hcis-slider { max-width: 700px; margin:20px auto; }
.hcis-main img { display:none; width:100%; border-radius:8px; }
.hcis-main img.active { display:block; }
.hcis-thumbs { display:flex; gap:10px; margin-top:10px; overflow-x:auto; }
.hcis-thumbs img { width:80px; cursor:pointer; opacity:0.6; border-radius:4px; }
.hcis-thumbs img.active { opacity:1; border:2px solid #333; }

/* Responsive */
@media(max-width:768px){
  .hcis-thumbs { justify-content:center; }
  .hcis-thumbs img { width:60px; }
}