/* Sembunyikan semua scrollbar (konten tetap bisa di-scroll dengan mouse/touch/keyboard) */
html, body, * {
    scrollbar-width: none !important;      /* Firefox */
    -ms-overflow-style: none !important;   /* IE/Edge lama */
}
*::-webkit-scrollbar,
html::-webkit-scrollbar,
body::-webkit-scrollbar {
    display: none !important;              /* Chrome, Edge, Safari */
    width: 0 !important;
    height: 0 !important;
    background: transparent !important;
}