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

src/components/layout/mobile-tab-bar.tsx

@@ -36,9 +36,9 @@ export function MobileTabBar() {
             <Link
               key={tab.id}
               href={tab.href}
-              className="flex flex-col items-center justify-center flex-1 h-full relative group"
+              className="flex flex-col items-center justify-center flex-1 h-full relative group min-h-[48px]"
             >
-              <div className="relative flex flex-col items-center justify-center">
+              <div className="relative flex flex-col items-center justify-center py-2">
                 <Icon
                   className={cn(
                     'w-6 h-6 transition-colors',
@@ -56,7 +56,7 @@ export function MobileTabBar() {
                 {active && (
                   <motion.div
                     layoutId="activeTab"
-                    className="absolute -bottom-2 w-8 h-0.5 bg-[#C41E3A] rounded-full"
+                    className="absolute -bottom-1 w-8 h-0.5 bg-[#C41E3A] rounded-full"
                     transition={{ type: 'spring', stiffness: 380, damping: 30 }}
                   />
                 )}