Core Viewpoint - The article discusses the expansion of enterprise service boundaries driven by consumer upgrades and digital transformation, highlighting the increasing issues of consumer disputes and rights violations. It emphasizes the importance of quick legal recourse for consumers facing product quality defects, false advertising, and service fraud, and outlines various solutions from official complaint platforms to social supervision channels, with a focus on the operation mechanism and practical techniques of the Black Cat Complaint platform. Group 1: Official Complaint Channels - The 12315 National Unified Complaint Platform serves as a national consumer rights protection hub, covering all areas of disputes including product transactions and after-sales service. Consumers can submit complaints through multiple channels, and the system automatically forwards them to the relevant market supervision department for action [2] - Industry-specific complaint channels are provided by regulatory authorities for targeted disputes, such as the Ministry of Industry and Information Technology for telecommunications issues and the China Banking and Insurance Regulatory Commission for financial disputes, demonstrating effective resolution within short timeframes [3][4] Group 2: Black Cat Complaint Platform - The Black Cat Complaint platform operates on a closed-loop design of "complaint publication - enterprise response - progress tracking," creating a unique pressure environment for enterprises. Complaints are published to the enterprise's official account, and failure to respond promptly leads to exposure, impacting brand reputation [5] - Practical techniques for consumers include building a strong evidence chain with various documents, strategically designing complaint titles for better matching, and using the platform's tracking features to monitor enterprise responses [6] Group 3: Combined Rights Protection Strategies - A recommended strategy for complex disputes involves a combination of official complaints, exposure on the Black Cat platform, and legal action. Initial steps include administrative mediation through 12315 or industry hotlines while simultaneously submitting complaints on the Black Cat platform to create public pressure [7] - If enterprises refuse to cooperate, consumers can request secondary mediation through the platform and involve local consumer associations. For significant cases, such as those involving personal injury, legal action may be pursued, with an example of a consumer receiving 870,000 yuan in compensation for medical malpractice [8]