#article-toc {
    padding: 15px;
    margin: 0;
    border: 1px solid #d4d8de;
    border-radius: 8px;
    text-align: left;
    background-color: #f7f9fc;
    box-sizing: border-box;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}
/*增加文章目录与标题列表的距离*/
#article-toc ul {
    list-style: none;
    padding-left: 0;
    margin: 0;
    margin-top: 10px;
}

#article-toc li {
    margin-bottom: 8px;
}

/* 只展示到h2，因此只保留h1-h2的样式 */
#article-toc .toc-level-1 { padding-left: 0; }
#article-toc .toc-level-2 { padding-left: 15px; }


/* 隐藏h3、h4、h5、h6级别的列表项 */
#article-toc .toc-level-3,
#article-toc .toc-level-4,
#article-toc .toc-level-5,
#article-toc .toc-level-6 {
    display: none;
}

#article-toc a {
    text-decoration: none;
    color: #555c6b;
    transition: color 0.2s ease;
}

#article-toc a:hover {
    text-decoration: underline;
    color: #7b86a0;
}

#toggle-toc {
    padding: 8px 15px;
    margin: 15px 0;
    cursor: pointer;
    background-color: #e9eef6;
    border: 1px solid #d4d8de;
    border-radius: 6px;
    color: #555c6b;
    display: block;
    font-weight: 500;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

#toggle-toc:hover {
    background-color: #e1e7f0;
    border-color: #c0c6ce;
}

.article-toc-float-left {
    position: fixed;
    left: 20px;
    top: 100px;
}

.article-toc-float-right {
    position: fixed;
    right: 20px;
    top: 100px;
}

html {
    scroll-behavior: smooth;
}

/* 隐藏 Dark mode styles */
/*@media (prefers-color-scheme: dark) {
    #article-toc {
        background-color: #2b313a;
        border-color: #4b525f;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    }

    #article-toc a {
        color: #b0b8c6;
    }

    #article-toc a:hover {
        color: #d1d8e4;
    }

    #toggle-toc {
        background-color: #3b424d;
        border-color: #4b525f;
        color: #b0b8c6;
    }

    #toggle-toc:hover {
        background-color: #454d58;
    }
}*/