Act as a seasoned copywriter with 10+ years of experience in crafting viral social media campaigns. Create a catchy and memorable hashtag for a [BRAND_NAME] campaign promoting [PRODUCT/SERVICE]. The hashtag should resonate with [TARGET_AUDIENCE], align with the brand’s tone ([BRAND_TONE]), and encourage user engagement (e.g., sharing, tagging). Consider current trends, wordplay, and brevity while ensuring it’s unique and easy to spell. Provide 3 potential hashtag options, each with a brief explanation of its appeal and relevance to the campaign. Example: For a fitness brand targeting millennials, #FitAndLit emphasizes energy and positivity, aligning with a fun, youthful tone.