uni-app gradient background color

Quick answer：

Uni-app is a cross-platform framework for building mobile, web, and desktop applications. Gradient background color in uni-app can be achieved using CSS. You can define a gradient using the 'background-image' property with gradient values like 'linear-gradient' or 'radial-gradient'. For example, 'background-image: linear-gradient(to right, red, yellow);' will create a gradient from red to yellow. For more details on implementing gradients in uni-app, refer to the official documentation.