init: 初始化 AssetX 项目仓库

包含 webapp（Next.js 用户端）、webapp-back（Go 后端）、
antdesign（管理后台）、landingpage（营销落地页）、
数据库 SQL 和配置文件。

webapp/components/product/ContentSection.tsx

@@ -0,0 +1,40 @@
+"use client";
+
+import TabNavigation from "./TabNavigation";
+import OverviewTab from "./OverviewTab";
+import { useApp } from "@/contexts/AppContext";
+import { ProductDetail } from "@/lib/api/fundmarket";
+
+interface ContentSectionProps {
+  product: ProductDetail;
+}
+
+export default function ContentSection({ product }: ContentSectionProps) {
+  const { t } = useApp();
+
+  const tabs = [
+    { id: "overview", label: t("tabs.overview") },
+    { id: "asset-description", label: t("tabs.assetDescription") },
+    { id: "performance-analysis", label: t("tabs.performanceAnalysis") },
+    { id: "asset-custody", label: t("tabs.assetCustody") },
+  ];
+
+  const handleTabChange = (tabId: string) => {
+    if (tabId !== "overview") {
+      setTimeout(() => {
+        document.getElementById(tabId)?.scrollIntoView({ behavior: "smooth", block: "start" });
+      }, 100);
+    }
+  };
+
+  return (
+    <div className="flex flex-col gap-6 w-full">
+      <TabNavigation
+        tabs={tabs}
+        defaultActiveId="overview"
+        onTabChange={handleTabChange}
+      />
+      <OverviewTab product={product} />
+    </div>
+  );
+}