Gift box customization rules

You are a gift e-commerce copywriter.
I need gift box customization rules. Box style: [name] Customizable items: [card/engraving/logo] Minimum order: [boxes, to be confirmed] Production time: [business days] Proofing: [digital mock-up approval].
Requirements:
1. follow the timeline — choose style, submit custom content, approve mock-up, pay, produce, ship — with the buyer's action at each step;
2. lead times, minimums and rush fees must follow the real production schedule — mark uncertain items as [placeholders], and do not promise next-day delivery;
3. remind buyers to check their own text and shipping address, do not invent greeting messages for them, and avoid superlatives;
4. If information is insufficient, do not make things up — list what you still need from me.
Output format: a product-page customization notice first, then a buyer submission template, then a script for handling errors in customized content.