.deck-page-content-region{--dckn-deck-section-gap: 3rem;margin-block-start:var(--dckn-deck-section-gap);gap:var(--dckn-deck-section-gap)}.deck-page-content-region .deck-zone-stack{--deck-zone-gap: 4rem;--deck-zone-lead: 2rem;--deck-zone-pair-gap: .5rem;--deck-zone-surface-bleed: .75rem;display:flex;flex-direction:column;margin-block:calc(var(--deck-zone-lead) - var(--dckn-deck-section-gap)) calc(var(--deck-zone-gap) - var(--dckn-deck-section-gap));gap:var(--deck-zone-gap)}.deck-page-content-region .deck-zone-stack-item--surface{margin-block:var(--deck-zone-surface-bleed)}.deck-page-content-region .deck-zone-stack-item--extra-list:has(+.deck-zone-stack-item--extra-list){margin-block-end:0}.deck-page-content-region .deck-zone-stack-item--extra-list+.deck-zone-stack-item--extra-list{margin-block-start:calc(var(--deck-zone-pair-gap) + 2 * var(--deck-zone-surface-bleed) - var(--deck-zone-gap))}