feat: 更新营销页面组件与交互优化

- 删除 .impeccable.md
- 新增 detail-swipe-nav, loading-state, skeleton, tooltip 组件
- 新增 use-keyboard-shortcuts, use-swipe-gesture hooks
- 更新 contact, news, products, services, solutions 等页面
- 优化 header, mobile-menu, input, page-transition 组件
- 添加 terms 与错误追踪测试页面

src/components/layout/mobile-menu.tsx

@@ -61,7 +61,7 @@ export function MobileMenu({ className }: MobileMenuProps) {
       {isOpen && (
         <>
           <div
-            className="fixed inset-0 bg-black/20 backdrop-blur-sm z-40"
+            className="fixed inset-0 bg-[var(--color-primary)]/20 backdrop-blur-sm z-40"
             onClick={() => setIsOpen(false)}
             aria-hidden="true"
           />