feat: 更新应用图标为新的在线链接，优化首页搜索框的背景样式

packages/distribute/data/apps.ts

@@ -14,7 +14,7 @@ export const apps: AppInfo[] = [
   {
     id: 'riwa-app',
     name: 'Riwa',
-    icon: 'https://static.riwa.com/app-icon.png',
+    icon: 'https://pub-e6e293168296455aa6fb1b7148767038.r2.dev/riwa.png',
     shortDescription: {
       'zh-CN': '数字资产交易平台',
       'en-US': 'Digital Asset Trading Platform',
@@ -64,7 +64,7 @@ export const apps: AppInfo[] = [
   {
     id: 'riwa-wallet',
     name: 'Riwa 钱包',
-    icon: 'https://static.riwa.com/wallet-icon.png',
+    icon: 'https://pub-e6e293168296455aa6fb1b7148767038.r2.dev/riwa.png',
     shortDescription: {
       'zh-CN': '安全的数字资产钱包',
       'en-US': 'Secure Digital Asset Wallet',
@@ -109,7 +109,7 @@ export const apps: AppInfo[] = [
   {
     id: 'chat-freely',
     name: 'ChatFreely',
-    icon: 'https://pub-e6e293168296455aa6fb1b7148767038.r2.dev/2026-01-03 15.40.50.jpg',
+    icon: 'https://pub-e6e293168296455aa6fb1b7148767038.r2.dev/chat-transparent.png',
     shortDescription: {
       'zh-CN': '加密即时通讯工具',
       'en-US': 'Encrypted Instant Messaging',
@@ -154,7 +154,7 @@ export const apps: AppInfo[] = [
   {
     id: 'riwa-conference',
     name: 'Riwa 会议',
-    icon: 'https://static.riwa.com/conference-icon.png',
+    icon: 'https://pub-e6e293168296455aa6fb1b7148767038.r2.dev/riwa.png',
     shortDescription: {
       'zh-CN': '会议与协作工具',
       'en-US': 'Conference and Collaboration Tool',

packages/distribute/pages/index.vue

@@ -135,7 +135,7 @@ useHead({
       <div class="mb-8 space-y-4 animate-fade-in">
         <!-- Search -->
         <div class="relative max-w-2xl mx-auto group">
-          <div class="absolute -inset-1 bg-gradient-to-r from-primary-500 via-purple-500 to-blue-500 rounded-xl opacity-0 group-hover:opacity-30 blur transition-all duration-500"></div>
+          <div class="absolute -inset-1 bg-linear-to-r from-primary-500 via-purple-500 to-blue-500 rounded-xl opacity-0 group-hover:opacity-30 blur transition-all duration-500"></div>
           <UInput
             v-model="searchKeyword"
             icon="i-heroicons-magnifying-glass"