feat: add mobile optimization with hooks and touch components

src/components/layout/mobile-menu.tsx

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+'use client';
+
+import { useState, useEffect } from 'react';
+import { Menu, X } from 'lucide-react';
+import { NAVIGATION } from '@/lib/constants';
+import { cn } from '@/lib/utils';
+
+interface MobileMenuProps {
+  className?: string;
+}
+
+export function MobileMenu({ className }: MobileMenuProps) {
+  const [isOpen, setIsOpen] = useState(false);
+
+  useEffect(() => {
+    if (isOpen) {
+      document.body.style.overflow = 'hidden';
+    } else {
+      document.body.style.overflow = 'unset';
+    }
+
+    return () => {
+      document.body.style.overflow = 'unset';
+    };
+  }, [isOpen]);
+
+  const handleNavClick = (href: string) => {
+    setIsOpen(false);
+    const element = document.querySelector(href);
+    if (element) {
+      element.scrollIntoView({ behavior: 'smooth' });
+    }
+  };
+
+  return (
+    <div className={cn('lg:hidden', className)}>
+      <button
+        onClick={() => setIsOpen(!isOpen)}
+        className="p-2 rounded-md hover:bg-[#F5F5F5] transition-colors"
+        aria-label={isOpen ? '关闭菜单' : '打开菜单'}
+      >
+        {isOpen ? (
+          <X className="w-6 h-6 text-[#171717]" />
+        ) : (
+          <Menu className="w-6 h-6 text-[#171717]" />
+        )}
+      </button>
+
+      {isOpen && (
+        <>
+          <div
+            className="fixed inset-0 bg-black/20 backdrop-blur-sm z-40"
+            onClick={() => setIsOpen(false)}
+          />
+          
+          <nav className="fixed top-16 left-0 right-0 bg-white border-b border-[#E5E5E5] z-50 shadow-lg">
+            <div className="container-wide py-4">
+              <ul className="space-y-1">
+                {NAVIGATION.map((item) => (
+                  <li key={item.id}>
+                    <button
+                      onClick={() => handleNavClick(item.href)}
+                      className="block w-full text-left px-4 py-3 text-[#171717] hover:bg-[#FEF2F4] hover:text-[#C41E3A] rounded-md transition-colors"
+                    >
+                      {item.label}
+                    </button>
+                  </li>
+                ))}
+              </ul>
+            </div>
+          </nav>
+        </>
+      )}
+    </div>
+  );
+}

src/components/ui/touch-button.tsx

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+'use client';
+
+import { useState, type ReactNode, type ButtonHTMLAttributes } from 'react';
+import { cn } from '@/lib/utils';
+
+interface TouchButtonProps extends ButtonHTMLAttributes<HTMLButtonElement> {
+  children: ReactNode;
+  variant?: 'primary' | 'secondary' | 'ghost';
+  size?: 'sm' | 'md' | 'lg';
+  fullWidth?: boolean;
+}
+
+export function TouchButton({
+  children,
+  variant = 'primary',
+  size = 'md',
+  fullWidth = false,
+  className,
+  disabled,
+  ...props
+}: TouchButtonProps) {
+  const [isPressed, setIsPressed] = useState(false);
+
+  const baseStyles = `
+    inline-flex items-center justify-center font-medium
+    transition-all duration-150 ease-out
+    active:scale-95
+    focus:outline-none focus-visible:ring-2 focus-visible:ring-offset-2
+    disabled:opacity-50 disabled:cursor-not-allowed disabled:active:scale-100
+    touch-manipulation
+  `;
+
+  const variants = {
+    primary: `
+      bg-[#C41E3A] text-white
+      hover:bg-[#A01830]
+      focus-visible:ring-[#C41E3A]
+      ${isPressed ? 'bg-[#8B1429]' : ''}
+    `,
+    secondary: `
+      bg-[#F5F5F5] text-[#171717]
+      hover:bg-[#E5E5E5]
+      border border-[#E5E5E5]
+      focus-visible:ring-[#C41E3A]
+      ${isPressed ? 'bg-[#D4D4D4]' : ''}
+    `,
+    ghost: `
+      bg-transparent text-[#525252]
+      hover:bg-[#FEF2F4] hover:text-[#C41E3A]
+      focus-visible:ring-[#C41E3A]
+      ${isPressed ? 'bg-[#FCE8EC] text-[#C41E3A]' : ''}
+    `,
+  };
+
+  const sizes = {
+    sm: 'text-sm px-4 py-2 rounded-md gap-1.5 min-h-[36px]',
+    md: 'text-base px-5 py-2.5 rounded-lg gap-2 min-h-[44px]',
+    lg: 'text-lg px-6 py-3 rounded-lg gap-2 min-h-[52px]',
+  };
+
+  return (
+    <button
+      className={cn(
+        baseStyles,
+        variants[variant],
+        sizes[size],
+        fullWidth && 'w-full',
+        className
+      )}
+      disabled={disabled}
+      onTouchStart={() => setIsPressed(true)}
+      onTouchEnd={() => setIsPressed(false)}
+      onTouchCancel={() => setIsPressed(false)}
+      {...props}
+    >
+      {children}
+    </button>
+  );
+}

src/components/ui/touch-swipe.tsx

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+'use client';
+
+import { useState, useRef, useEffect, type ReactNode } from 'react';
+
+interface TouchSwipeProps {
+  children: ReactNode;
+  onSwipeLeft?: () => void;
+  onSwipeRight?: () => void;
+  threshold?: number;
+  className?: string;
+}
+
+export function TouchSwipe({
+  children,
+  onSwipeLeft,
+  onSwipeRight,
+  threshold = 50,
+  className = '',
+}: TouchSwipeProps) {
+  const [touchStart, setTouchStart] = useState<number | null>(null);
+  const [touchEnd, setTouchEnd] = useState<number | null>(null);
+  const containerRef = useRef<HTMLDivElement>(null);
+
+  const handleTouchStart = (e: React.TouchEvent) => {
+    setTouchEnd(null);
+    setTouchStart(e.targetTouches[0].clientX);
+  };
+
+  const handleTouchMove = (e: React.TouchEvent) => {
+    setTouchEnd(e.targetTouches[0].clientX);
+  };
+
+  const handleTouchEnd = () => {
+    if (!touchStart || !touchEnd) return;
+
+    const distance = touchStart - touchEnd;
+    const isLeftSwipe = distance > threshold;
+    const isRightSwipe = distance < -threshold;
+
+    if (isLeftSwipe && onSwipeLeft) {
+      onSwipeLeft();
+    }
+
+    if (isRightSwipe && onSwipeRight) {
+      onSwipeRight();
+    }
+  };
+
+  return (
+    <div
+      ref={containerRef}
+      className={className}
+      onTouchStart={handleTouchStart}
+      onTouchMove={handleTouchMove}
+      onTouchEnd={handleTouchEnd}
+    >
+      {children}
+    </div>
+  );
+}