feiniao-youwei-uniapp/static/style/mixin.scss

//变量
@mixin ossBg($name) {
    background-image: url('https://birdseye-img.sysuimars.com/youwei-uniapp/img/'+$name);
    background-size: 100% 100%;
	background-repeat: no-repeat;
	background-position: center center;
}