feat: 添加连锁门店系统首页及核心UI组件

新增首页布局、导航栏、页脚及多个核心UI组件（按钮、卡片、表格等）
添加图片资源、工具函数和样式配置
实现响应式设计和主题支持
包含行业解决方案展示区块

app/globals.css

@@ -0,0 +1,170 @@
+@import 'tailwindcss';
+@import 'tw-animate-css';
+
+@custom-variant dark (&:is(.dark *));
+
+:root {
+  /* 企业深蓝主题 — #1B5CE6 */
+  --background: oklch(1 0 0);
+  --foreground: oklch(0.18 0.025 260);
+
+  --card: oklch(1 0 0);
+  --card-foreground: oklch(0.18 0.025 260);
+  --popover: oklch(1 0 0);
+  --popover-foreground: oklch(0.18 0.025 260);
+
+  /* #1B5CE6 → oklch(0.46 0.22 264) */
+  --primary: oklch(0.46 0.22 264);
+  --primary-foreground: oklch(1 0 0);
+  --primary-dark: oklch(0.36 0.20 264);
+  --primary-light: oklch(0.95 0.04 264);
+  --primary-glow: oklch(0.46 0.22 264 / 0.18);
+
+  /* 辅助中性 */
+  --secondary: oklch(0.96 0.008 260);
+  --secondary-foreground: oklch(0.18 0.025 260);
+  --muted: oklch(0.96 0.008 260);
+  --muted-foreground: oklch(0.50 0.018 260);
+  --accent: oklch(0.95 0.04 264);
+  --accent-foreground: oklch(0.36 0.20 264);
+
+  --destructive: oklch(0.577 0.245 27.325);
+  --destructive-foreground: oklch(1 0 0);
+  --border: oklch(0.91 0.012 260);
+  --input: oklch(0.91 0.012 260);
+  --ring: oklch(0.46 0.22 264);
+  --radius: 0.5rem;
+
+  /* 深色背景用 */
+  --surface-dark: oklch(0.13 0.04 264);
+  --surface-dark-2: oklch(0.17 0.035 264);
+
+  --sidebar: oklch(0.97 0.006 260);
+  --sidebar-foreground: oklch(0.18 0.025 260);
+  --sidebar-primary: oklch(0.46 0.22 264);
+  --sidebar-primary-foreground: oklch(1 0 0);
+  --sidebar-accent: oklch(0.95 0.04 264);
+  --sidebar-accent-foreground: oklch(0.36 0.20 264);
+  --sidebar-border: oklch(0.91 0.012 260);
+  --sidebar-ring: oklch(0.46 0.22 264);
+}
+
+.dark {
+  --background: oklch(0.145 0 0);
+  --foreground: oklch(0.985 0 0);
+  --card: oklch(0.145 0 0);
+  --card-foreground: oklch(0.985 0 0);
+  --popover: oklch(0.145 0 0);
+  --popover-foreground: oklch(0.985 0 0);
+  --primary: oklch(0.985 0 0);
+  --primary-foreground: oklch(0.205 0 0);
+  --secondary: oklch(0.269 0 0);
+  --secondary-foreground: oklch(0.985 0 0);
+  --muted: oklch(0.269 0 0);
+  --muted-foreground: oklch(0.708 0 0);
+  --accent: oklch(0.269 0 0);
+  --accent-foreground: oklch(0.985 0 0);
+  --destructive: oklch(0.396 0.141 25.723);
+  --destructive-foreground: oklch(0.637 0.237 25.331);
+  --border: oklch(0.269 0 0);
+  --input: oklch(0.269 0 0);
+  --ring: oklch(0.439 0 0);
+  --chart-1: oklch(0.488 0.243 264.376);
+  --chart-2: oklch(0.696 0.17 162.48);
+  --chart-3: oklch(0.769 0.188 70.08);
+  --chart-4: oklch(0.627 0.265 303.9);
+  --chart-5: oklch(0.645 0.246 16.439);
+  --sidebar: oklch(0.205 0 0);
+  --sidebar-foreground: oklch(0.985 0 0);
+  --sidebar-primary: oklch(0.488 0.243 264.376);
+  --sidebar-primary-foreground: oklch(0.985 0 0);
+  --sidebar-accent: oklch(0.269 0 0);
+  --sidebar-accent-foreground: oklch(0.985 0 0);
+  --sidebar-border: oklch(0.269 0 0);
+  --sidebar-ring: oklch(0.439 0 0);
+}
+
+@theme inline {
+  --font-sans: var(--font-inter), 'Inter', sans-serif;
+  --font-mono: 'Geist Mono', 'Geist Mono Fallback';
+  --color-primary-dark: var(--primary-dark);
+  --color-primary-light: var(--primary-light);
+  --color-primary-glow: var(--primary-glow);
+  --color-surface-dark: var(--surface-dark);
+  --color-surface-dark-2: var(--surface-dark-2);
+  --color-background: var(--background);
+  --color-foreground: var(--foreground);
+  --color-card: var(--card);
+  --color-card-foreground: var(--card-foreground);
+  --color-popover: var(--popover);
+  --color-popover-foreground: var(--popover-foreground);
+  --color-primary: var(--primary);
+  --color-primary-foreground: var(--primary-foreground);
+  --color-secondary: var(--secondary);
+  --color-secondary-foreground: var(--secondary-foreground);
+  --color-muted: var(--muted);
+  --color-muted-foreground: var(--muted-foreground);
+  --color-accent: var(--accent);
+  --color-accent-foreground: var(--accent-foreground);
+  --color-destructive: var(--destructive);
+  --color-destructive-foreground: var(--destructive-foreground);
+  --color-border: var(--border);
+  --color-input: var(--input);
+  --color-ring: var(--ring);
+  --color-chart-1: var(--chart-1);
+  --color-chart-2: var(--chart-2);
+  --color-chart-3: var(--chart-3);
+  --color-chart-4: var(--chart-4);
+  --color-chart-5: var(--chart-5);
+  --radius-sm: calc(var(--radius) - 4px);
+  --radius-md: calc(var(--radius) - 2px);
+  --radius-lg: var(--radius);
+  --radius-xl: calc(var(--radius) + 4px);
+  --color-sidebar: var(--sidebar);
+  --color-sidebar-foreground: var(--sidebar-foreground);
+  --color-sidebar-primary: var(--sidebar-primary);
+  --color-sidebar-primary-foreground: var(--sidebar-primary-foreground);
+  --color-sidebar-accent: var(--sidebar-accent);
+  --color-sidebar-accent-foreground: var(--sidebar-accent-foreground);
+  --color-sidebar-border: var(--sidebar-border);
+  --color-sidebar-ring: var(--sidebar-ring);
+}
+
+@layer base {
+  * {
+    @apply border-border outline-ring/50;
+  }
+  html {
+    scroll-behavior: smooth;
+  }
+  body {
+    @apply bg-background text-foreground;
+    overflow-x: hidden;
+  }
+}
+
+@layer components {
+  .section-panel {
+    min-height: 100svh;
+    scroll-snap-align: start;
+    scroll-snap-stop: always;
+    position: relative;
+    display: flex;
+    align-items: center;
+    padding-block: clamp(5.5rem, 8vh, 7rem) clamp(2.5rem, 4vh, 4rem);
+  }
+}
+
+@media (min-width: 1024px) {
+  html {
+    scroll-snap-type: y mandatory;
+    scroll-padding-top: 0;
+  }
+}
+
+@media (prefers-reduced-motion: reduce) {
+  html {
+    scroll-behavior: auto;
+    scroll-snap-type: none;
+  }
+}

app/layout.tsx

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+import type { Metadata } from 'next'
+import { Inter } from 'next/font/google'
+import { Analytics } from '@vercel/analytics/next'
+import './globals.css'
+
+const inter = Inter({
+  subsets: ['latin'],
+  variable: '--font-inter',
+  display: 'swap',
+})
+
+export const metadata: Metadata = {
+  title: '连锁门店收银、分账、监管系统 | 智店软件',
+  description: '面向连锁餐饮、零售与加盟品牌，提供门店收银、自动分账、总部监管一体化系统定制与升级服务。兼容现有设备与流程，支持不停业切换。',
+  keywords: '连锁门店系统, 收银系统, 自动分账系统, 总部监管系统, 加盟门店结算, 门店数字化, 智店软件',
+  authors: [{ name: '智店软件' }],
+  openGraph: {
+    title: '连锁门店收银、分账、监管系统 | 智店软件',
+    description: '为连锁餐饮、零售与加盟品牌提供门店收银、自动分账、总部监管一体化系统定制与升级服务。',
+    type: 'website',
+  },
+}
+
+export default function RootLayout({
+  children,
+}: Readonly<{
+  children: React.ReactNode
+}>) {
+  return (
+    <html lang="zh-CN">
+      <body className={`${inter.variable} font-sans antialiased`}>
+        {children}
+        <Analytics />
+      </body>
+    </html>
+  )
+}

app/page.tsx

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+import { Navbar } from "@/components/navbar"
+import { Footer } from "@/components/footer"
+import { HeroSection } from "@/components/sections/hero-section"
+import { ProductsSection } from "@/components/sections/products-section"
+import { AdvantagesSection } from "@/components/sections/advantages-section"
+import { SolutionsSection } from "@/components/sections/solutions-section"
+import { ProcessSection } from "@/components/sections/process-section"
+import { CasesSection } from "@/components/sections/cases-section"
+import { ContactSection } from "@/components/sections/contact-section"
+
+export default function Home() {
+  return (
+    <div className="min-h-screen bg-background text-foreground">
+      <Navbar />
+      <main>
+        <HeroSection />
+        <ProductsSection />
+        <AdvantagesSection />
+        <SolutionsSection />
+        <ProcessSection />
+        <CasesSection />
+        <ContactSection />
+      </main>
+      <Footer />
+    </div>
+  )
+}