``` (注意:若不投放广告,可删除该部分代码) - **语言切换功能未实现**:`toggleLanguage()`函数目前无实现。若需中英文切换,需在`script.js`中添加逻辑示例: ```javascript // script.js function toggleLanguage() { const elements = document.querySelectorAll("[data-lang]"); const buttons = document.querySelectorAll(".language-switch button"); const currentLang = document.documentElement.lang; const targetLang = currentLang === "zh" ? "en" : "zh"; document.documentElement.lang = targetLang; // 切换语言按钮文字 elements.forEach(el => { if (el.dataset.lang === targetLang || el.dataset.lang === "common") { el.style.display = "block"; } else { el.style.display = "none"; } }); // 更新按钮图标/文案 buttons.forEach(btn => { btn.textContent = targetLang === "zh" ? "English" : "中文"; }); } ``` (HTML中需为需要切换的语言内容添加`data-lang="zh/en"`属性) - **SEO与Meta标签完善**:当前标题和描述未明确突出内容,建议优化: ```html