查看“MediaWiki:Common.css”的源代码

/* 这里放置的CSS将应用于所有皮肤 */
/* 隐藏首页侧边栏的搜索框 */
.page-Main_Page #p-search {
    display: none;
}
/* ====== 右侧悬浮目录（排除首页） ====== */

/* 只在非首页页面显示悬浮目录 */
body:not(.page-Main_Page) #toc {
    position: fixed !important;
    top: 120px !important;
    right: 20px !important;
    width: 280px !important;
    max-height: 70vh !important;
    overflow-y: auto !important;
    background: #ffffff !important;
    border: 1px solid #a2a9b1 !important;
    border-radius: 6px !important;
    padding: 15px !important;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15) !important;
    z-index: 999 !important;
    font-size: 0.9em !important;
    line-height: 1.4 !important;
}

/* 首页隐藏目录 */
.page-Main_Page #toc {
    display: none !important;
}

/* 非首页的内容区域向右偏移，避免与悬浮目录重叠 */
body:not(.page-Main_Page) .mw-body-content {
    margin-right: 320px !important;
    transition: margin-right 0.3s ease !important;
}

/* 移动端响应式：小屏幕不悬浮 */
@media (max-width: 1200px) {
    body:not(.page-Main_Page) #toc {
        position: static !important;
        width: auto !important;
        max-height: none !important;
        margin: 1em 0 !important;
    }
    body:not(.page-Main_Page) .mw-body-content {
        margin-right: 0 !important;
    }
}