/* 设置博客整体背景图 */
body {

    background-image: url('https://img2024.cnblogs.com/blog/3574259/202504/3574259-20250426193756118-1323544975.jpg');

    background-attachment: fixed;

    background-size: cover;

    background-position: center;

    background-repeat: no-repeat;

}