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/app/(marketing)/layout.tsx

@@ -1,6 +1,3 @@
-import { Header } from '@/components/layout/header';
-import { Footer } from '@/components/layout/footer';
-
 export default function MarketingLayout({
   children,
 }: {
@@ -8,9 +5,7 @@ export default function MarketingLayout({
 }) {
   return (
     <div className="min-h-screen flex flex-col">
-      <Header />
       <main className="flex-1">{children}</main>
-      <Footer />
     </div>
   );
 }

src/app/(marketing)/page.tsx

@@ -1,25 +1,25 @@
-import { HeroSection } from '@/components/sections/hero-section';
-import { AboutSection } from '@/components/sections/about-section';
-import { ServicesSection } from '@/components/sections/services-section';
-import { ProductsSection } from '@/components/sections/products-section';
-import { NewsSection } from '@/components/sections/news-section';
-import { ContactSection } from '@/components/sections/contact-section';
-import { COMPANY_INFO } from '@/lib/constants';
+"use client";
 
-export const metadata = {
-  title: `${COMPANY_INFO.name} - 专业科技服务提供商`,
-  description: COMPANY_INFO.description,
-};
+import { Header } from "@/components/layout/header";
+import { Footer } from "@/components/layout/footer";
+import { HeroSection } from "@/components/sections/hero-section";
+import { AboutSection } from "@/components/sections/about-section";
+import { ServicesSection } from "@/components/sections/services-section";
+import { ProductsSection } from "@/components/sections/products-section";
+import { NewsSection } from "@/components/sections/news-section";
+import { ContactSection } from "@/components/sections/contact-section";
 
 export default function HomePage() {
   return (
-    <>
+    <main className="min-h-screen">
+      <Header />
       <HeroSection />
       <AboutSection />
       <ServicesSection />
       <ProductsSection />
       <NewsSection />
       <ContactSection />
-    </>
+      <Footer />
+    </main>
   );
 }