中文市场地理SERP：用中文关键词查Google，返回结构化结果（标题/链接/摘要）。hl=zh-CN界面+gl地区定向，覆盖中文用户真实搜索视角。支持web/news/shopping。China SERP, Chinese keyword search, zh-CN localized Google results for agents doing China market research, Chinese SEO rank tracking, cross-border ecommerce.