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js/install.js

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+window.addEventListener('DOMContentLoaded', function () {
+    // 多语言支持
+    let currentLang = 'zh';
+
+    function setLanguage(lang) {
+        currentLang = lang;
+
+        // 设置活动语言
+        document.querySelectorAll('.lang-zh').forEach(el => {
+            el.classList.toggle('active', lang === 'zh');
+        });
+        document.querySelectorAll('.lang-en').forEach(el => {
+            el.classList.toggle('active', lang === 'en');
+        });
+
+        // 更新语言切换按钮
+        document.getElementById('langText').textContent = lang === 'zh' ? 'English' : '中文';
+        document.getElementById('langEmoji').textContent = lang === 'zh' ? '🌐' : '🇨🇳';
+
+        // 更新动态文本
+        if (lang === 'en') {
+            document.getElementById('main-title').textContent = 'Installation Successful!';
+            document.getElementById('subtitle').textContent = 'Cat Catch Extension is now installed';
+            document.getElementById('welcome-title').textContent = 'Welcome to Cat Catch';
+            document.getElementById('privacy-title').textContent = 'Privacy Policy';
+            document.getElementById('disclaimer-title').textContent = 'Disclaimer';
+            document.getElementById('issue-title').textContent = 'Issue Submission';
+            document.getElementById('agreeText').textContent = 'Agree';
+            document.getElementById('uninstallText').textContent = 'Uninstall Extension';
+        } else {
+            document.getElementById('main-title').textContent = '恭喜 猫抓 扩展已成功安装 !';
+            document.getElementById('subtitle').textContent = 'Installation successful !';
+            document.getElementById('welcome-title').textContent = '希望本扩展能帮助到你';
+            document.getElementById('privacy-title').textContent = '隐私政策 / Privacy Policy';
+            document.getElementById('disclaimer-title').textContent = '免责声明 / Disclaimer';
+            document.getElementById('issue-title').textContent = '问题提交 / Issue Submission';
+            document.getElementById('agreeText').textContent = '同意';
+            document.getElementById('uninstallText').textContent = '卸载扩展';
+        }
+    }
+
+    // 语言切换功能
+    document.getElementById('langToggle').addEventListener('click', function () {
+        const newLang = currentLang === 'zh' ? 'en' : 'zh';
+        setLanguage(newLang);
+    });
+
+    // 按钮事件处理
+    document.getElementById('agreeBtn').addEventListener('click', function () {
+        closeTab();
+    });
+
+    document.getElementById('uninstallBtn').addEventListener('click', function () {
+        chrome.management.uninstallSelf({ showConfirmDialog: true });
+    });
+
+    const lang = navigator.language || navigator.userLanguage;
+    const isChinese = lang.startsWith('zh');
+    setLanguage(isChinese ? 'zh' : 'en');
+
+    // 添加动画效果
+    document.querySelector('.card').classList.add('fade-in');
+    document.getElementById('agreeBtn').focus();
+});