diff --git a/docs/BACKLOG.md b/docs/BACKLOG.md
index 3be8a54..a2bd6b0 100644
--- a/docs/BACKLOG.md
+++ b/docs/BACKLOG.md
@@ -238,3 +238,4 @@
 | 「连接已断开」横幅移除 | 已做：整条顶部红色横幅删除（状态行已有提示，顶部横幅不友好）；重连能力保留 |
 | SQL 高亮 DataGrip 风 | 已做：关键字亮蓝加粗 / 字符串红 / 数字浅绿 / 注释灰斜体 / 标识符浅灰白；light 同构对齐 IntelliJ |
 | opsxapi 迁移 | 回滚到可用基线 6452026（apps 布局保留）——用户确认只做 opsxdb；迁移半成品已弃 |
+| 修复：GUI 样式全丢（白底裸控件） | 已修：根级迁移漏了 tailwind.config.ts / postcss.config.js（content 路径已改 ./src + ./packages/ui）与 index.html/public 资源；CSS 产物 12KB→32KB（Tailwind 全量恢复）。教训：单包迁移 checklist 应含样式链 |
diff --git a/postcss.config.js b/postcss.config.js
new file mode 100644
index 0000000..2aa7205
--- /dev/null
+++ b/postcss.config.js
@@ -0,0 +1,6 @@
+export default {
+  plugins: {
+    tailwindcss: {},
+    autoprefixer: {},
+  },
+};
diff --git a/server/bin/opsxdb-server b/server/bin/opsxdb-server
index 69100c4..ff372c3 100755
Binary files a/server/bin/opsxdb-server and b/server/bin/opsxdb-server differ
diff --git a/tailwind.config.ts b/tailwind.config.ts
new file mode 100644
index 0000000..eb531fc
--- /dev/null
+++ b/tailwind.config.ts
@@ -0,0 +1,73 @@
+import type { Config } from "tailwindcss";
+
+/**
+ * 设计令牌 v2 映射:与 apps/web/src/styles.css 的 :root 令牌同源,
+ * 新增组件样式优先使用 ops-* utility,避免散落硬编码色值。
+ */
+export default {
+  content: [
+    "./index.html",
+    "./src/**/*.{ts,tsx}",
+    "./packages/ui/src/**/*.{ts,tsx}",
+  ],
+  theme: {
+    extend: {
+      colors: {
+        ops: {
+          bg: "var(--ops-bg)",
+          surface: "var(--ops-surface)",
+          "surface-2": "var(--ops-surface-2)",
+          "editor-bg": "var(--ops-editor-bg)",
+          border: "var(--ops-border)",
+          "border-soft": "var(--ops-border-soft)",
+          text: "var(--ops-text)",
+          muted: "var(--ops-muted)",
+          accent: "var(--ops-accent)",
+          "accent-strong": "var(--ops-accent-strong)",
+          "accent-soft": "var(--ops-accent-soft)",
+          danger: "var(--ops-danger)",
+          warning: "var(--ops-warning)",
+          success: "var(--ops-success)",
+          "input-bg": "var(--ops-input-bg)",
+          "row-alt": "var(--ops-row-alt)",
+          "bg-active": "var(--ops-bg-active)",
+        },
+      },
+      fontSize: {
+        "ops-xs": "var(--ops-text-xs)",
+        "ops-sm": "var(--ops-text-sm)",
+        "ops-md": "var(--ops-text-md)",
+        "ops-lg": "var(--ops-text-lg)",
+      },
+      spacing: {
+        "ops-1": "var(--ops-space-1)",
+        "ops-2": "var(--ops-space-2)",
+        "ops-3": "var(--ops-space-3)",
+        "ops-4": "var(--ops-space-4)",
+        "ops-5": "var(--ops-space-5)",
+        "ops-6": "var(--ops-space-6)",
+      },
+      borderRadius: {
+        "ops-sm": "var(--ops-radius-sm)",
+        "ops-md": "var(--ops-radius-md)",
+        "ops-lg": "var(--ops-radius-lg)",
+      },
+      boxShadow: {
+        "ops-pop": "var(--ops-shadow-pop)",
+        "ops-modal": "var(--ops-shadow-modal)",
+      },
+      zIndex: {
+        "ops-banner": "var(--ops-z-banner)",
+        "ops-ctx": "var(--ops-z-ctx)",
+        "ops-toast": "var(--ops-z-toast)",
+        "ops-modal": "var(--ops-z-modal)",
+        "ops-confirm": "var(--ops-z-confirm)",
+      },
+      // 修 V6:删除 JetBrains Mono 声明,等宽栈与 SqlEditor 统一为系统栈
+      fontFamily: {
+        mono: ["ui-monospace", "SFMono-Regular", "Menlo", "Consolas", "monospace"],
+      },
+    },
+  },
+  plugins: [],
+} satisfies Config;