https://www.dcloud.io/hbuilderx.html?ivk_sa=1024320u
https://ext.dcloud.net.cn/plugin?id=1593
<style> page{ background-image: linear-gradient(to bottom, #f8f6e7 0%, #f8f6eb 25%, #f6f5ed 50%, #f6f5f3 100%); /* 多个渐变色 */ } </style>