.test {
  background-image: url('https://wx-model-1317557471.cos.ap-shanghai.myqcloud.com/yx/bganniu.png');
  background-size: 100% 100%;
}
.no-press-effect {
  -webkit-tap-highlight-color: transparent; /* 移除点击高亮 */
  background-color: transparent; /* 确保背景透明 */
}