BEIJING/HONG KONG — A 22-year-old Chinese woman’s account of how she was lured into the country’s illegal surrogacy industry before suffering a miscarriage went viral on Chinese social media this week and raised heated debates over women’s rights and social inequality. Surrogacy is banned in China, and authorities have vowed to severely crack down on illegal practices, including the buying and selling of sperm, egg and surrogacy services. The incident comes as Chinese authorities grapple with how to increase the country’s birth rate as more young couples put off having children or opt to have none. China’s population fell for