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Open standards (CalDAV, CardDAV, ICS) now appear first in the Sync tab under a dedicated "CalDAV & CardDAV" section, making self-hosted sync options prominent. Cloud services (Google, Apple) move to a secondary "Cloud-Dienste" section. Fixes raw <h2> heading in CalDAV card — now uses consistent settings-card__title like all other cards. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>