body {
    color: #000;
    /* background: url(https://i.loli.net/2021/11/11/2wJDqZXYEQyb9HA.jpg) fixed; */
    background-size: cover;
    background-repeat: repeat;
    font-family: "微软雅黑","Helvetica Neue",Helvetica,Verdana,Arial,sans-serif;
    font-size: 12px;
    min-height: 101%;
}