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/app/ecosystem/page.tsx

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+import Sidebar from "@/components/layout/Sidebar";
+import TopBar from "@/components/layout/TopBar";
+import Image from "next/image";
+
+export default function EcosystemPage() {
+  const breadcrumbItems = [
+    { label: "ASSETX", href: "/" },
+    { label: "Ecosystem" },
+  ];
+
+  return (
+    <div className="min-h-screen bg-bg-subtle dark:bg-gray-900 flex">
+      <Sidebar />
+      <div className="flex-1 min-w-0 flex flex-col md:ml-[240px] pt-14 md:pt-0">
+        <div className="bg-[#F3F4F6] dark:bg-gray-800 border-b border-border-normal dark:border-gray-700 px-4 md:px-8 py-3 md:py-6">
+          <TopBar breadcrumbItems={breadcrumbItems} />
+        </div>
+
+        <div className="flex-1 px-4 md:px-8 py-4 md:py-8 bg-[#F3F4F6] dark:bg-gray-900 flex items-center justify-center">
+          {/* Coming Soon Card */}
+          <div className="bg-bg-surface dark:bg-gray-800 rounded-3xl border border-border-gray dark:border-gray-700 p-6 md:p-16 max-w-2xl w-full">
+            <div className="flex flex-col items-center gap-8 text-center">
+              {/* Icon */}
+              <div className="relative w-24 h-24 opacity-40">
+                <Image
+                  src="/icons/navigation/icon-ecosystem.svg"
+                  alt="Ecosystem"
+                  fill
+                  className="object-contain brightness-[0.45] dark:brightness-100 dark:invert"
+                />
+              </div>
+
+              {/* Title */}
+              <div className="flex flex-col gap-3">
+                <h1 className="text-heading-h2 font-bold text-text-primary dark:text-white">
+                  Ecosystem Coming Soon
+                </h1>
+                <p className="text-body-default text-text-secondary dark:text-gray-400 leading-relaxed max-w-md">
+                  We&apos;re building something exciting! The Ecosystem page will be available soon with powerful features and integrations.
+                </p>
+              </div>
+
+              {/* Features Preview */}
+              <div className="flex flex-col gap-3 w-full mt-4">
+                <div className="bg-bg-subtle dark:bg-gray-700 rounded-xl p-4 flex items-center gap-3">
+                  <div className="w-2 h-2 rounded-full bg-[#10b981]" />
+                  <span className="text-body-small text-text-primary dark:text-white">
+                    Protocol Integrations
+                  </span>
+                </div>
+                <div className="bg-bg-subtle dark:bg-gray-700 rounded-xl p-4 flex items-center gap-3">
+                  <div className="w-2 h-2 rounded-full bg-[#10b981]" />
+                  <span className="text-body-small text-text-primary dark:text-white">
+                    Partner Networks
+                  </span>
+                </div>
+                <div className="bg-bg-subtle dark:bg-gray-700 rounded-xl p-4 flex items-center gap-3">
+                  <div className="w-2 h-2 rounded-full bg-[#10b981]" />
+                  <span className="text-body-small text-text-primary dark:text-white">
+                    Cross-chain Bridges
+                  </span>
+                </div>
+              </div>
+
+              {/* CTA */}
+              <p className="text-caption-small text-text-tertiary dark:text-gray-500 mt-4">
+                Stay tuned for updates 🚀
+              </p>
+            </div>
+          </div>
+        </div>
+      </div>
+    </div>
+  );
+}