feat: 重构联系页面并增强安全性

refactor: 优化导航和路由逻辑

fix: 修复移动端样式问题

perf: 优化字体加载和性能

test: 添加安全性和可访问性测试

style: 调整按钮和表单样式

chore: 更新依赖版本

ci: 添加安全头配置

build: 优化构建配置

docs: 更新常量信息

e2e/src/tests/accessibility/accessibility.spec.ts

@@ -37,8 +37,9 @@ test.describe('可访问性测试 @accessibility', () => {
 
   test('表单输入应该有label', async ({ page }) => {
     await page.goto('http://localhost:3000/contact');
+    await page.waitForLoadState('networkidle');
     
-    const inputs = page.locator('input, textarea, select');
+    const inputs = page.locator('input:not([type="hidden"]), textarea, select');
     const count = await inputs.count();
     
     for (let i = 0; i < count; i++) {
@@ -101,8 +102,9 @@ test.describe('可访问性测试 @accessibility', () => {
 
   test('焦点元素应该可见', async ({ page }) => {
     await page.goto('http://localhost:3000');
+    await page.waitForLoadState('networkidle');
     
-    const focusableElements = page.locator('a[href], button, input, textarea, select, [tabindex]:not([tabindex="-1"])');
+    const focusableElements = page.locator('a[href]:visible, button:visible, input:visible, textarea:visible, select:visible, [tabindex]:not([tabindex="-1"]):visible');
     const count = await focusableElements.count();
     
     for (let i = 0; i < Math.min(count, 10); i++) {