What's the ideal length for an abandonment email?

As a Shopify store owner in the fashion niche, cart abandonment has been my biggest revenue leak. I've watched countless potential customers add items to their cart, only to disappear without purchasing. My analytics show a brutal truth: around 70% of carts are abandoned, which translates to thousands in lost revenue every month. I've tried generic email templates, but they feel impersonal and rarely convert. I'm desperately seeking a strategy that feels genuine, creates urgency, and actually brings customers back to complete their purchase. My current emails are either too long (which gets them ignored) or too short (which fails to re-engage the customer). I need a precise, data-driven approach that understands customer psychology and can dynamically adapt to different shopper behaviors. This isn't just about email length—it's about crafting a message that feels like a personalized nudge, not a pushy sales pitch. I want an abandonment email strategy that respects my customers' time while effectively rekindling their initial purchase intent.