refactor: Standardize empty state UI for tunnel and user pages, update announcement banner styling, and add new entries to .gitignore.

.gitignore

@@ -268,3 +268,6 @@ sql/
 !go-backend/internal/store/postgres/sql/
 !go-backend/internal/store/postgres/sql/schema.sql
 !go-backend/internal/store/postgres/sql/data.sql
+go-backend/gost.db-shm
+.gitignore
+go-backend/gost.db-wal

vite-frontend/src/pages/dashboard/components/announcement-banner.tsx

@@ -17,13 +17,13 @@ export const AnnouncementBanner = ({
   }
 
   return (
-    <Card className="mb-4 lg:mb-6 border border-blue-200 dark:border-blue-500/30 bg-gradient-to-r from-blue-50 to-purple-50 dark:from-blue-500/10 dark:to-purple-500/10">
+    <Card className="mb-4 lg:mb-6 border border-blue-100 dark:border-blue-500/20 bg-gradient-to-br from-blue-50/80 to-indigo-50/80 dark:from-blue-500/5 dark:to-indigo-500/5 shadow-sm">
-      <CardBody className="p-4">
+      <CardBody className="p-4 sm:p-5">
-        <div className="flex items-start justify-start gap-3.5">
+        <div className="flex items-center gap-3.5 sm:gap-4">
-          <div className="w-10 h-10 bg-blue-100 dark:bg-blue-500/20 rounded-lg flex-shrink-0 flex items-center justify-center mt-0.5">
+          <div className="w-10 h-10 sm:w-11 sm:h-11 bg-white dark:bg-blue-500/10 rounded-full flex-shrink-0 flex items-center justify-center shadow-sm border border-blue-100 dark:border-blue-500/20">
             <svg
               aria-hidden="true"
-              className="w-5 h-5 text-blue-600 dark:text-blue-400"
+              className="w-5 h-5 sm:w-5 sm:h-5 text-blue-500 dark:text-blue-400"
               fill="currentColor"
               viewBox="0 0 20 20"
             >
@@ -34,11 +34,11 @@ export const AnnouncementBanner = ({
               />
             </svg>
           </div>
-          <div className="flex-1 min-w-0 pt-0.5">
+          <div className="flex-1 min-w-0">
-            <h3 className="text-base font-semibold leading-none text-blue-900 dark:text-blue-100 mb-1.5">
+            <h3 className="text-[15px] font-semibold text-blue-900 dark:text-blue-100 tracking-wide mb-1 sm:mb-1.5 mt-1.5">
               公告
             </h3>
-            <div className="text-sm text-blue-800 dark:text-blue-200 break-words leading-relaxed">
+            <div className="text-sm text-blue-800/90 dark:text-blue-100/90 break-words leading-relaxed">
               <ReactMarkdown
                 rehypePlugins={[rehypeSanitize]}
                 remarkPlugins={[remarkGfm]}

vite-frontend/src/pages/forward.tsx

@@ -1934,34 +1934,14 @@ export default function ForwardPage() {
           </div>
         ) : (
           /* 空状态 */
-          <Card className="shadow-sm border border-gray-200 dark:border-gray-700">
+          <Card className="shadow-sm border border-gray-200 dark:border-gray-700 bg-default-50/50">
-            <CardBody className="text-center py-16">
+            <CardBody className="text-center py-20 flex flex-col items-center justify-center min-h-[240px]">
-              <div className="flex flex-col items-center gap-4">
+              <h3 className="text-xl font-medium text-foreground tracking-tight mb-2">
-                <div className="w-16 h-16 bg-default-100 rounded-full flex items-center justify-center">
-                  <svg
-                    aria-hidden="true"
-                    className="w-8 h-8 text-default-400"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                  >
-                    <path
-                      d="M8 9l4-4 4 4m0 6l-4 4-4-4"
-                      strokeLinecap="round"
-                      strokeLinejoin="round"
-                      strokeWidth={1.5}
-                    />
-                  </svg>
-                </div>
-                <div>
-                  <h3 className="text-lg font-semibold text-foreground">
                 暂无转发配置
               </h3>
-                  <p className="text-default-500 text-sm mt-1">
+              <p className="text-default-500 text-sm max-w-xs mx-auto leading-relaxed">
                 还没有创建任何转发配置，点击上方按钮开始创建
               </p>
-                </div>
-              </div>
             </CardBody>
           </Card>
         )
@@ -1988,34 +1968,14 @@ export default function ForwardPage() {
           </DndContext>
         ) : (
           /* 空状态 */
-          <Card className="shadow-sm border border-gray-200 dark:border-gray-700">
+          <Card className="shadow-sm border border-gray-200 dark:border-gray-700 bg-default-50/50">
-            <CardBody className="text-center py-16">
+            <CardBody className="text-center py-20 flex flex-col items-center justify-center min-h-[240px]">
-              <div className="flex flex-col items-center gap-4">
+              <h3 className="text-xl font-medium text-foreground tracking-tight mb-2">
-                <div className="w-16 h-16 bg-default-100 rounded-full flex items-center justify-center">
-                  <svg
-                    aria-hidden="true"
-                    className="w-8 h-8 text-default-400"
-                    fill="none"
-                    stroke="currentColor"
-                    viewBox="0 0 24 24"
-                  >
-                    <path
-                      d="M8 9l4-4 4 4m0 6l-4 4-4-4"
-                      strokeLinecap="round"
-                      strokeLinejoin="round"
-                      strokeWidth={1.5}
-                    />
-                  </svg>
-                </div>
-                <div>
-                  <h3 className="text-lg font-semibold text-foreground">
                 暂无转发配置
               </h3>
-                  <p className="text-default-500 text-sm mt-1">
+              <p className="text-default-500 text-sm max-w-xs mx-auto leading-relaxed">
                 还没有创建任何转发配置，点击上方按钮开始创建
               </p>
-                </div>
-              </div>
             </CardBody>
           </Card>
         )}

vite-frontend/src/pages/limit.tsx

@@ -334,34 +334,14 @@ export default function LimitPage() {
         </div>
       ) : (
         /* 空状态 */
-        <Card className="shadow-sm border border-gray-200 dark:border-gray-700">
+        <Card className="shadow-sm border border-gray-200 dark:border-gray-700 bg-default-50/50">
-          <CardBody className="text-center py-16">
+          <CardBody className="text-center py-20 flex flex-col items-center justify-center min-h-[240px]">
-            <div className="flex flex-col items-center gap-4">
+            <h3 className="text-xl font-medium text-foreground tracking-tight mb-2">
-              <div className="w-16 h-16 bg-default-100 rounded-full flex items-center justify-center">
-                <svg
-                  aria-hidden="true"
-                  className="w-8 h-8 text-default-400"
-                  fill="none"
-                  stroke="currentColor"
-                  viewBox="0 0 24 24"
-                >
-                  <path
-                    d="M12 6v6l4 2m6-6a9 9 0 11-18 0 9 9 0 0118 0z"
-                    strokeLinecap="round"
-                    strokeLinejoin="round"
-                    strokeWidth={1.5}
-                  />
-                </svg>
-              </div>
-              <div>
-                <h3 className="text-lg font-semibold text-foreground">
               暂无限速规则
             </h3>
-                <p className="text-default-500 text-sm mt-1">
+            <p className="text-default-500 text-sm max-w-xs mx-auto leading-relaxed">
               还没有创建任何限速规则，点击上方按钮开始创建
             </p>
-              </div>
-            </div>
           </CardBody>
         </Card>
       )}

vite-frontend/src/pages/tunnel.tsx

@@ -1014,34 +1014,14 @@ export default function TunnelPage() {
         </DndContext>
       ) : (
         /* 空状态 */
-        <Card className="shadow-sm border border-gray-200 dark:border-gray-700">
+        <Card className="shadow-sm border border-gray-200 dark:border-gray-700 bg-default-50/50">
-          <CardBody className="text-center py-16">
+          <CardBody className="text-center py-20 flex flex-col items-center justify-center min-h-[240px]">
-            <div className="flex flex-col items-center gap-4">
+            <h3 className="text-xl font-medium text-foreground tracking-tight mb-2">
-              <div className="w-16 h-16 bg-default-100 rounded-full flex items-center justify-center">
-                <svg
-                  aria-hidden="true"
-                  className="w-8 h-8 text-default-400"
-                  fill="none"
-                  stroke="currentColor"
-                  viewBox="0 0 24 24"
-                >
-                  <path
-                    d="M8.111 16.404a5.5 5.5 0 017.778 0M12 20h.01m-7.08-7.071c3.904-3.905 10.236-3.905 14.141 0M1.394 9.393c5.857-5.857 15.355-5.857 21.213 0"
-                    strokeLinecap="round"
-                    strokeLinejoin="round"
-                    strokeWidth={1.5}
-                  />
-                </svg>
-              </div>
-              <div>
-                <h3 className="text-lg font-semibold text-foreground">
               暂无隧道配置
             </h3>
-                <p className="text-default-500 text-sm mt-1">
+            <p className="text-default-500 text-sm max-w-xs mx-auto leading-relaxed">
               还没有创建任何隧道配置，点击上方按钮开始创建
             </p>
-              </div>
-            </div>
           </CardBody>
         </Card>
       )}

vite-frontend/src/pages/user.tsx

@@ -57,7 +57,6 @@ import {
   SearchIcon,
   EditIcon,
   DeleteIcon,
-  UserIcon,
   SettingsIcon,
 } from "@/components/icons";
 import { PageLoadingState } from "@/components/page-state";
@@ -652,21 +651,14 @@ export default function UserPage() {
       {loading ? (
         <PageLoadingState message="正在加载..." />
       ) : users.length === 0 ? (
-        <Card className="shadow-sm border border-gray-200 dark:border-gray-700">
+        <Card className="shadow-sm border border-gray-200 dark:border-gray-700 bg-default-50/50">
-          <CardBody className="text-center py-16">
+          <CardBody className="text-center py-20 flex flex-col items-center justify-center min-h-[240px]">
-            <div className="flex flex-col items-center gap-4">
+            <h3 className="text-xl font-medium text-foreground tracking-tight mb-2">
-              <div className="w-16 h-16 bg-default-100 rounded-full flex items-center justify-center">
-                <UserIcon className="w-8 h-8 text-default-400" />
-              </div>
-              <div>
-                <h3 className="text-lg font-semibold text-foreground">
               暂无用户数据
             </h3>
-                <p className="text-default-500 text-sm mt-1">
+            <p className="text-default-500 text-sm max-w-xs mx-auto leading-relaxed">
               还没有创建任何用户，点击上方按钮开始创建
             </p>
-              </div>
-            </div>
           </CardBody>
         </Card>
       ) : (
@@ -1054,8 +1046,7 @@ export default function UserPage() {
                           aria-disabled={isAssigned}
                           className={`
                             px-4 py-3 rounded-lg border transition-all duration-200 cursor-pointer
-                            ${
+                            ${isAssigned
-                              isAssigned
                               ? "bg-default-100/50 dark:bg-default-50/50 border-default-200/50 dark:border-default-100/20 opacity-60 cursor-not-allowed"
                               : isSelected
                                 ? "bg-primary-50 dark:bg-primary-900/20 border-primary-300 dark:border-primary-500/50 shadow-sm"