/* 第一个悬浮按钮：回到顶部 */
    #back-to-top {
        display: none;
        position: fixed;
        bottom: 10px;
        right: 20px;
        width: 50px;
        height: 50px;
        background-image: url(https://img.alibabacloudimg.app:8088/0149/top.webp);
        background-size: cover;
        cursor: pointer;
        z-index: 999;
    }

    /* 第二个悬浮按钮：页面刷新按钮 【一直显示】 */
    #go-to-anchor {
        display: block !important; /* 强制永久显示 */
        position: fixed;
        right: 20px;
        bottom: 70px;
        width: 50px;
        height: 50px;
        background-image: url(https://img.alibabacloudimg.app:8088/149/shuaxin.webp);
        background-size: cover;
        cursor: pointer;
        z-index: 999;
    }