In China's biggest cities, many of the trendiest nightlife spots aren’t known for their craft cocktails or stunning views, but for an unusual feature: fortune-telling.Sip of Oracle, a self-styled “spiritual bar” in central Shanghai, encapsulates this trend with its whimsical slogan, “Explore the unknown in a tipsy haze.”Kate Li, a Shanghai bank employee reeling from a recent pay cut, stumbled upon the establishment with friends one weekend.“We were venting about work and curious about our...