Mobile app chat list homepage, minimalist flat style, white top navigation bar (56px height), left small app icon, center "Chat" title (18px black bold), right "+" button (24px black), middle scrollable chat list (light gray #F5F5F5 background), single chat item (white background, 72px height, left circular avatar (48px), right nickname (16px black) + latest message (14px gray, single-line ellipsis)), bottom tab bar (white background, 3 tabs: Chat (blue active icon), Friends (gray icon), Profile (gray icon)), main color #2196F3, clear hierarchy --ar 9:16 --v 7 --stylize 100 --fast
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Mobile app chat list homepage, minimalist flat style, white top navigation bar (56px height), left small app icon, center "Chat" title (18px black bold), right "+" button (24px black), middle scrollable chat list (light gray #F5F5F5 background), single chat item (white background, 72px height, left circular avatar (48px), right nickname (16px black) + latest message (14px gray, single-line ellipsis)), bottom tab bar (white background, 3 tabs: Chat (blue active icon), Friends (gray icon), Profile (gray icon)), main color #2196F3, clear hierarchy