// 公共脚本（夜间模式、语言切换等）
        const nightIcon = document.querySelector('.night-icon');
        const langIcon = document.querySelector('.lang-icon');
        const langMenu = document.querySelector('.lang-menu');
        // 地球图标
        const globe_div = document.querySelector('.globe-icon');
        // let globe = globe_div.innerHTML;
        var f = 0;
        console.log(globe_div);
        const langItems = document.querySelectorAll('.lang-item');
        const light = document.querySelector('.light');
        const body = document.body;
        let isNightMode = false;

        nightIcon.onclick = function() {
            isNightMode = !isNightMode;
            if (isNightMode) {
                body.classList.add('night-mode');
                nightIcon.classList.add('active');
                nightIcon.innerHTML = '☀️';
                light.textContent = '明';
            } else {
                body.classList.remove('night-mode');
                nightIcon.classList.remove('active');
                nightIcon.innerHTML = '🌙';
                light.textContent = '暗';
            }
        };

        langIcon.onclick = function(e) {
            e.stopPropagation();
            langMenu.classList.toggle('show');
            if(f == 0){
                globe_div.innerHTML = 'X';
                f = 1;
            }else{
                globe_div.innerHTML = '🌐';
                f = 0;
            }
            
            // if(f == 1){
            //     globe_div.innerHTML = '🌐';
            //     f = 0;
            // }
            // console.log(1);    
        };

        langIcon.addEventListener('focus',function(){
                alert("1");
        });

        langItems.forEach(item => {
            item.onclick = function() {
                langItems.forEach(li => li.classList.remove('active'));
                this.classList.add('active');
                langMenu.classList.remove('show');
            };
        });

        document.addEventListener('click', (e) => {
            if (!e.target.closest('.theme-lang-switch')) {
                langMenu.classList.remove('show');
            }
        });
        langMenu.onclick = function(e) { e.stopPropagation(); };

        window.addEventListener('scroll', () => {
            if (window.scrollY > 50) {
                document.querySelector('.header').style.boxShadow = '0 4px 16px rgba(0,0,0,0.7)';
            } else {
                document.querySelector('.header').style.boxShadow = '0 2px 8px rgba(0,0,0,0.5)';
            }
        });

        // 活动分类切换脚本
        const navItems = document.querySelectorAll('.activity-nav-item');
        const activityItems = document.querySelectorAll('.activity-item');

        navItems.forEach(item => {
            item.addEventListener('click', () => {
                // 切换导航激活状态
                navItems.forEach(nav => nav.classList.remove('active'));
                item.classList.add('active');
                
                // 筛选活动
                const type = item.dataset.type;
                activityItems.forEach(activity => {
                    if (type === 'all' || activity.dataset.type === type) {
                        activity.style.display = 'grid';
                    } else {
                        activity.style.display = 'none';
                    }
                });
            });
        });

        const name1 = document.querySelector('.form-group #name');
         const phone = document.querySelector('.form-group #phone');
         const btn = document.querySelector('.submit-btn');
        btn.addEventListener('click',function(e){
            console.log(name1.value);
            
            if(name1.value!='' && phone.value!=''){
                alert("我们将尽快给您答复！！！")
            }

            if(name1.value==''){
                alert("请输入姓名！！！");
                e.preventDefault();
            }else if(phone.value==''){
                alert("请输入手机号！！！");
                e.preventDefault();
            }

        });


document.addEventListener('DOMContentLoaded', function() {
    const toggleBtn = document.querySelector('.mobile-nav-toggle');
    const navList = document.querySelector('.nav-list');
    
    // 控制台打印验证元素是否找到
    console.log('汉堡按钮：', toggleBtn);
    console.log('导航列表：', navList);

    // 2. 只有找到元素时才绑定点击事件
    if (toggleBtn && navList) {
        toggleBtn.addEventListener('click', function() {
            navList.classList.toggle('show');
        });
    }
});

document.addEventListener('DOMContentLoaded', function() {
    // 仅移动端生效
    const isMobile = () => window.innerWidth <= 768;
    const submenuToggle = document.querySelector('.has-submenu > a');
    const submenu = document.querySelector('.submenu');

    // 移动端点击展开/收起子菜单
    submenuToggle.addEventListener('click', function(e) {
        if (isMobile()) {
            e.preventDefault();
            submenu.style.display = submenu.style.display === 'block' ? 'none' : 'block';
        }
    });

    // 窗口缩放时重置
    window.addEventListener('resize', function() {
        if (!isMobile()) {
            submenu.style.display = '';
        }
    });
});