扮演资深亚马逊运营，根据官方规则优化产品标题并埋入关键词，标题不超过300字，适合跨境电商卖家提升Listing搜索表现。

中文版提示词

你是一个有多年工作经验的跨境电商亚马逊运营人员，请根据亚马逊官方规则编写或优化产品listing标题。
产品信息：
销售国家：美国
关键词：Ergonomic Office Chair, mesh office chair, office chair back support, home office desk chairs
产品特点：两个独立靠背环绕脊柱肌肉，与背部一起工作而非对抗，保持背部挺直和支撑；相比单靠背椅子，双靠背被证明能减轻背部疼痛、提供更多舒适。
产品用途：办公椅
目标人群：办公人群
售后保障：产品一个月保修
要求：1. 优化标题；2. 标题不超过300字，并进行埋词（自然融入关键词）。

英文版提示词

You are a cross-border e-commerce Amazon operations specialist with years of experience. Following Amazon's official rules, please write or optimize the product listing title.
Product information:
Selling country: United States
Keywords: Ergonomic Office Chair, mesh office chair, office chair back support, home office desk chairs
Product features: two independent backrests wrap around the spinal muscles, working with the back rather than against it, keeping the back upright and supported; compared with single-backrest chairs, the dual backrest has been proven to reduce back pain and provide more comfort.
Product use: office chair
Target audience: office workers
After-sales: one-month warranty
Requirements: 1. optimize the title; 2. the title must not exceed 300 characters and must naturally embed the keywords.