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

components/sections/advantages-section.tsx

@@ -0,0 +1,90 @@
+"use client"
+
+import { Badge } from "@/components/ui/badge"
+import {
+  Zap, ShieldCheck, Layers, BarChart3, Headset, Cloud, Settings2, CloudCog, Link2, TrendingUp,
+} from "lucide-react"
+import { SectionReveal } from "@/components/ui/section-reveal"
+import homeData from "@/data/home.json"
+
+const iconMap: Record<string, React.ReactNode> = {
+  "zap":           <Zap className="w-5 h-5" />,
+  "shield-check":  <ShieldCheck className="w-5 h-5" />,
+  "layers":        <Layers className="w-5 h-5" />,
+  "bar-chart-3":   <BarChart3 className="w-5 h-5" />,
+  "headset":       <Headset className="w-5 h-5" />,
+  "cloud":         <Cloud className="w-5 h-5" />,
+  "Zap":           <Zap className="w-5 h-5" />,
+  "Settings2":     <Settings2 className="w-5 h-5" />,
+  "CloudCog":      <CloudCog className="w-5 h-5" />,
+  "Headphones":    <Headset className="w-5 h-5" />,
+  "Link2":         <Link2 className="w-5 h-5" />,
+  "TrendingUp":    <TrendingUp className="w-5 h-5" />,
+}
+
+export function AdvantagesSection() {
+  const { advantages } = homeData
+
+  return (
+    <section
+      id="advantages"
+      className="section-panel overflow-hidden"
+      style={{ background: "oklch(0.97 0.006 260)" }}
+    >
+      {/* Subtle background decoration */}
+      <div
+        className="absolute top-0 left-1/2 -translate-x-1/2 w-[900px] h-[400px] opacity-[0.06] pointer-events-none"
+        aria-hidden="true"
+        style={{
+          background: "radial-gradient(ellipse at center, oklch(0.46 0.22 264) 0%, transparent 70%)",
+        }}
+      />
+
+      <SectionReveal className="w-full max-w-7xl mx-auto px-4 sm:px-6 lg:px-8 relative" delay={60}>
+
+        {/* Header */}
+        <div className="text-center max-w-2xl mx-auto mb-16">
+          <Badge variant="secondary" className="mb-4 text-primary border-primary/20 bg-primary/8 px-3 py-1">
+            {advantages.sectionBadge ?? advantages.sectionTag}
+          </Badge>
+          <h2 className="text-3xl sm:text-4xl lg:text-5xl font-extrabold text-foreground text-balance mb-4 tracking-tight">
+            {advantages.title}
+          </h2>
+          <p className="text-muted-foreground text-lg leading-relaxed text-pretty">
+            {advantages.subtitle}
+          </p>
+        </div>
+
+        {/* Grid */}
+        <div className="grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 gap-6">
+          {advantages.items.map((item, i) => (
+            <article
+              key={item.title}
+              className="group relative bg-white border border-border rounded-2xl p-7 hover:shadow-xl hover:shadow-primary/8 hover:-translate-y-1 transition-all duration-300"
+            >
+              {/* Number watermark */}
+              <span
+                className="absolute top-5 right-6 text-6xl font-black text-muted/20 leading-none select-none pointer-events-none"
+                aria-hidden="true"
+              >
+                {String(i + 1).padStart(2, "0")}
+              </span>
+
+              {/* Icon */}
+              <div className="w-12 h-12 rounded-2xl bg-primary/8 text-primary flex items-center justify-center mb-5 group-hover:bg-primary group-hover:text-white transition-colors duration-300">
+                {iconMap[item.icon] ?? iconMap.zap}
+              </div>
+
+              <h3 className="text-lg font-bold text-foreground mb-2">{item.title}</h3>
+              <p className="text-muted-foreground text-sm leading-relaxed">{item.description}</p>
+
+              {/* Bottom accent line */}
+              <div className="absolute bottom-0 left-6 right-6 h-px bg-primary scale-x-0 group-hover:scale-x-100 transition-transform duration-300 origin-left rounded-full" />
+            </article>
+          ))}
+        </div>
+
+      </SectionReveal>
+    </section>
+  )
+}