feat: 重构网站UI设计并优化布局结构

重构整体UI设计，采用红色主题配色方案
优化页面布局结构，将Header和Footer移至page组件
更新按钮样式和交互效果，增强视觉反馈
调整全局字体配置，使用思源黑体作为中文字体
改进各区块卡片样式，增加悬停动画效果
优化响应式设计，提升移动端体验

src/components/layout/header.tsx

@@ -2,7 +2,7 @@
 
 import Link from 'next/link';
 import { useState, useEffect, useCallback } from 'react';
-import { Menu, X } from 'lucide-react';
+import { Menu } from 'lucide-react';
 import { Button } from '@/components/ui/button';
 import { Sheet, SheetContent, SheetTrigger } from '@/components/ui/sheet';
 import { COMPANY_INFO, NAVIGATION } from '@/lib/constants';
@@ -67,19 +67,19 @@ export function Header() {
       className={cn(
         "fixed top-0 left-0 right-0 z-50 transition-all duration-300",
         isScrolled 
-          ? "bg-white/95 backdrop-blur-md shadow-sm border-b border-slate-200/50" 
-          : "bg-slate-50/85 backdrop-blur-md border-b border-slate-200"
+          ? "bg-white/95 backdrop-blur-md shadow-sm border-b border-[#E8E0E0]" 
+          : "bg-transparent"
       )}
     >
       <div className="container-custom">
-        <div className="flex items-center justify-center h-20 relative">
+        <div className="flex items-center justify-between h-20">
           {/* Logo */}
           <Link 
             href="#home" 
             onClick={(e) => handleNavClick(e, '#home')}
-            className="flex items-center absolute left-0"
+            className="flex items-center"
           >
-            <img src="/logo.svg" alt={COMPANY_INFO.name} className="h-12 w-auto" />
+            <img src="/logo.svg" alt={COMPANY_INFO.name} className="h-10 w-auto" />
           </Link>
 
           {/* Desktop Navigation */}
@@ -90,18 +90,37 @@ export function Header() {
                 href={item.href}
                 onClick={(e) => handleNavClick(e, item.href)}
                 className={cn(
-                  "px-4 py-2 text-sm font-medium rounded-full transition-all duration-200",
+                  "relative px-4 py-2 text-sm font-medium transition-all duration-200",
                   activeSection === item.id.replace('#', '')
-                    ? "text-black bg-black/5"
-                    : "text-gray-600 hover:text-black hover:bg-black/5"
+                    ? "text-[#C41E3A]"
+                    : "text-[#4A4A4A] hover:text-[#C41E3A]"
                 )}
               >
                 {item.label}
+                {/* 活跃指示条 */}
+                <span 
+                  className={cn(
+                    "absolute bottom-0 left-1/2 -translate-x-1/2 h-0.5 bg-[#C41E3A] transition-all duration-200",
+                    activeSection === item.id.replace('#', '') ? "w-6" : "w-0"
+                  )}
+                />
               </a>
             ))}
           </nav>
 
-
+          {/* CTA Button - Desktop */}
+          <div className="hidden lg:block">
+            <Button 
+              onClick={(e) => {
+                const element = document.getElementById('contact');
+                if (element) {
+                  element.scrollIntoView({ behavior: 'smooth' });
+                }
+              }}
+            >
+              立即咨询
+            </Button>
+          </div>
 
           {/* Mobile Menu */}
           <Sheet open={isOpen} onOpenChange={setIsOpen}>
@@ -110,7 +129,7 @@ export function Header() {
                 <Menu className="h-6 w-6" />
               </Button>
             </SheetTrigger>
-            <SheetContent side="right" className="w-[300px]">
+            <SheetContent side="right" className="w-[300px] bg-white">
               <div className="flex flex-col gap-2 mt-8">
                 {NAVIGATION.map((item) => (
                   <a
@@ -120,14 +139,27 @@ export function Header() {
                     className={cn(
                       "px-4 py-3 text-lg font-medium rounded-lg transition-all duration-200",
                       activeSection === item.id.replace('#', '')
-                        ? "text-black bg-black/5"
-                        : "text-gray-600 hover:text-black hover:bg-black/5"
+                        ? "text-[#C41E3A] bg-[#FEF2F4]"
+                        : "text-[#4A4A4A] hover:text-[#C41E3A] hover:bg-[#F5F0F0]"
                     )}
                   >
                     {item.label}
                   </a>
                 ))}
-
+                <div className="mt-4 pt-4 border-t border-[#E8E0E0]">
+                  <Button 
+                    className="w-full"
+                    onClick={() => {
+                      const element = document.getElementById('contact');
+                      if (element) {
+                        element.scrollIntoView({ behavior: 'smooth' });
+                      }
+                      setIsOpen(false);
+                    }}
+                  >
+                    立即咨询
+                  </Button>
+                </div>
               </div>
             </SheetContent>
           </Sheet>