Produce a complete 12-slide pitch deck outline for an e-commerce venture. The deck must convince {{target_audience}} to invest, with the specific goal of {{goal}}. Write in a {{tone}} tone. Use {{visual_style}} as the design language. Design tool: Keynote (16:9 widescreen). Follow Y Combinator's pitch deck best practices: one key message per slide, max 6 words per bullet, max 6 bullets per slide. Include visual descriptions consistent with {{visual_style}}. Use specific data; if unavailable, skip that section. Avoid clip art and wall-of-text slides. Output each slide in 2-3 sentences with slide numbers as headings. Max 600 words. Paste any relevant background information after these instructions before running.