.gnc-lightbox{position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:999999;display:flex;align-items:center;justify-content:center}
.gnc-lightbox img{max-width:90vw;max-height:88vh;width:auto;height:auto;object-fit:contain}
.gnc-close,.gnc-prev,.gnc-next{position:absolute;background:none;border:0;color:#fff;font-size:48px;line-height:1;cursor:pointer;padding:.2em}
.gnc-close{top:10px;right:20px}.gnc-prev{left:15px}.gnc-next{right:15px}
.gnc-caption{position:absolute;bottom:14px;left:0;right:0;text-align:center;color:#fff;font-size:14px}