Nail art picture网红 trapezoid

Quick answer：

The subject refers to a popular nail art style featuring a trapezoid shape, often associated with social media influencers or 'Internet celebrities' (网红). This style typically involves creating a trapezoidal design on the nails, which can include various colors, patterns, or decorations. Nail art is a form of self-expression and can be a reflection of current trends in fashion and beauty.