refactor: overhaul UI for streamlined user experience

Redesign navigation, home overview, user portrait, and valuation pages
with improved functionality and responsive design.

Co-authored-by: null <4804959+fnvtk@users.noreply.github.com>

app/api/acquisition/[planId]/orders/route.ts

@@ -0,0 +1,19 @@
+import { NextResponse } from "next/server"
+import type { OrderFormData } from "@/types/acquisition"
+
+export async function POST(request: Request, { params }: { params: { planId: string } }) {
+  try {
+    const data: OrderFormData = await request.json()
+
+    // 这里应该添加实际的数据库存储逻辑
+    console.log("Received order:", data, "for plan:", params.planId)
+
+    // 模拟成功响应
+    return NextResponse.json({
+      success: true,
+      message: "订单已成功提交",
+    })
+  } catch (error) {
+    return NextResponse.json({ success: false, message: "订单提交失败" }, { status: 500 })
+  }
+}