Redesign Key Features section with Split Narrative layout#3

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Copilot wants to merge 3 commits intomainfrom

copilot/redesign-key-features-section

Commits on Nov 9, 2025

Initial plan
Copilot
committed
Redesign Key Features section with hierarchical layout and updated copy

Copilot
and
haoqi-shen
committed
Implement Split Narrative layout pattern with alternating left-right sections

Copilot
and
haoqi-shen
committed