- Wrap the Categories and Popular sections in the same responsive
max-width container (820/1080/1180) used by Official and Latest, so all
four section titles line up vertically on desktop.
- Official carousel arrows: hide the arrow at the edge already reached, and
snap one card per click (reveal the next/previous card fully, keeping a
small peek) instead of a fixed-pixel scroll.
- Show the pagination dots on desktop too (was mobile-only).
- RecommendedCard download button icon: text-ark-gold -> text-white to match
the file bubble / popular / video download buttons.
Desktop-scoped; mobile layout unchanged.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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