.concepts_stack__op_3F{display:block}@media (min-width:1024px) and (min-height:640px) and (prefers-reduced-motion:no-preference){.concepts_stack__op_3F{--concept-nav:4.5rem}.concepts_panel__QO99C{position:sticky;top:var(--panel-top,var(--concept-nav));z-index:1;display:flex;flex-direction:column;justify-content:center;min-height:calc(100svh - var(--concept-nav))}.concepts_panel__QO99C:nth-child(2){z-index:2}.concepts_panel__QO99C:nth-child(3){z-index:3}}