产品演进工程蓝图手绘海报

Create a technical infographic of timeline poster of [PRODUCT NAME]. Use sharp ink lines and soft watercolor on textured paper. Feature a central hero illustration with handwritten years, arrows, notes, and small sketches showing design evolution and key milestones. Keep it clean, lively, colourful and strong contrast. Highly detailed, vertical portrait. Visual Concept A realistic photograph or photorealistic render combined with dense technical annotation overlays, exactly like an engineering, Pure white studio background. Title Placement Product name in English , bold font, inside a hand-drawn technical annotation frame (as in engineering blueprints), positioned in the upper corner. Style u0026 Layout • Very high information density • Annotations feel like an engineering / architectural sketch • Black lines — 70–80% of all graphics • Accent [BRAND COLOR] — 20–30% (arrows, key zones, headings) • The realistic product remains fully readable • Educational, industrial-premium aesthetic • Small brand logo in the corner (in English) Visual Style Minimal technical illustration aesthetic: black linework over realistic imagery, precise, highly detailed, slightly hand-drawn, like professional technical manuals. Color Palette White background Black text and linework [BRAND COLOR] used only for accents Output 9:16 Vertical portrait, 8K, highly detailed, Ultra-crisp image Social-feed optimized No watermark