添加自定义主题支持

src/app/admin/page.tsx

@@ -32,6 +32,7 @@ import {
   ExternalLink,
   FileText,
   FolderOpen,
+  Palette,
   Settings,
   Tv,
   Users,
@@ -4235,6 +4236,322 @@ const ConfigFileComponent = ({
   );
 };
 
+// 主题配置组件
+const ThemeConfigComponent = ({
+  config,
+  refreshConfig,
+}: {
+  config: AdminConfig | null;
+  refreshConfig: () => Promise<void>;
+}) => {
+  const { alertModal, showAlert, hideAlert } = useAlertModal();
+  const { isLoading, withLoading } = useLoadingState();
+  const [themeSettings, setThemeSettings] = useState({
+    enableBuiltInTheme: false,
+    builtInTheme: 'default',
+    customCSS: '',
+    enableCache: true,
+    cacheMinutes: 1440, // 默认1天（1440分钟）
+  });
+
+  useEffect(() => {
+    if (config?.ThemeConfig) {
+      setThemeSettings({
+        enableBuiltInTheme: config.ThemeConfig.enableBuiltInTheme || false,
+        builtInTheme: config.ThemeConfig.builtInTheme || 'default',
+        customCSS: config.ThemeConfig.customCSS || '',
+        enableCache: config.ThemeConfig.enableCache !== false,
+        cacheMinutes: config.ThemeConfig.cacheMinutes || 1440,
+      });
+    }
+  }, [config]);
+
+  const handleSave = async () => {
+    await withLoading('saveThemeConfig', async () => {
+      try {
+        const response = await fetch('/api/admin/theme', {
+          method: 'POST',
+          headers: {
+            'Content-Type': 'application/json',
+          },
+          body: JSON.stringify(themeSettings),
+        });
+
+        const data = await response.json();
+
+        if (!response.ok) {
+          throw new Error(data.error || '保存失败');
+        }
+
+        showAlert({
+          type: 'success',
+          title: '保存成功',
+          message: '主题配置已更新',
+          timer: 2000,
+        });
+
+        await refreshConfig();
+
+        // 刷新页面以应用新主题
+        setTimeout(() => {
+          window.location.reload();
+        }, 1000);
+      } catch (error) {
+        showAlert({
+          type: 'error',
+          title: '保存失败',
+          message: (error as Error).message,
+        });
+      }
+    });
+  };
+
+  const builtInThemes = [
+    {
+      value: 'default',
+      label: '默认主题',
+      color: '#3b82f6',
+    },
+    {
+      value: 'dark_blue',
+      label: '深蓝夜空',
+      color: '#3b82f6',
+    },
+    {
+      value: 'purple_dream',
+      label: '紫色梦境',
+      color: '#a78bfa',
+    },
+    {
+      value: 'green_forest',
+      label: '翠绿森林',
+      color: '#10b981',
+    },
+    {
+      value: 'orange_sunset',
+      label: '橙色日落',
+      color: '#f97316',
+    },
+    {
+      value: 'pink_candy',
+      label: '粉色糖果',
+      color: '#ec4899',
+    },
+    {
+      value: 'cyan_ocean',
+      label: '青色海洋',
+      color: '#06b6d4',
+    },
+  ];
+
+  return (
+    <div className='space-y-6'>
+      {/* 主题类型选择 */}
+      <div className='bg-white dark:bg-gray-800 rounded-lg p-6 border border-gray-200 dark:border-gray-700'>
+        <h3 className='text-lg font-semibold text-gray-900 dark:text-gray-100 mb-4'>
+          主题类型
+        </h3>
+        <div className='space-y-4'>
+          <label className='flex items-center space-x-3 cursor-pointer'>
+            <input
+              type='radio'
+              checked={!themeSettings.enableBuiltInTheme}
+              onChange={() =>
+                setThemeSettings((prev) => ({
+                  ...prev,
+                  enableBuiltInTheme: false,
+                }))
+              }
+              className='w-4 h-4 text-blue-600'
+            />
+            <span className='text-gray-900 dark:text-gray-100'>
+              自定义CSS（使用下方的CSS编辑器）
+            </span>
+          </label>
+          <label className='flex items-center space-x-3 cursor-pointer'>
+            <input
+              type='radio'
+              checked={themeSettings.enableBuiltInTheme}
+              onChange={() =>
+                setThemeSettings((prev) => ({
+                  ...prev,
+                  enableBuiltInTheme: true,
+                }))
+              }
+              className='w-4 h-4 text-blue-600'
+            />
+            <span className='text-gray-900 dark:text-gray-100'>
+              内置主题（使用预设的主题样式）
+            </span>
+          </label>
+        </div>
+      </div>
+
+      {/* 内置主题选择 */}
+      {themeSettings.enableBuiltInTheme && (
+        <div className='bg-white dark:bg-gray-800 rounded-lg p-6 border border-gray-200 dark:border-gray-700'>
+          <h3 className='text-lg font-semibold text-gray-900 dark:text-gray-100 mb-4'>
+            选择内置主题
+          </h3>
+          <div className='flex flex-wrap gap-3'>
+            {builtInThemes.map((theme) => (
+              <div
+                key={theme.value}
+                onClick={() =>
+                  setThemeSettings((prev) => ({
+                    ...prev,
+                    builtInTheme: theme.value,
+                  }))
+                }
+                className={`cursor-pointer rounded-lg border-2 p-3 transition-all hover:shadow-md ${
+                  themeSettings.builtInTheme === theme.value
+                    ? 'border-blue-500 ring-2 ring-blue-200 dark:ring-blue-800 bg-blue-50 dark:bg-blue-900/20'
+                    : 'border-gray-200 dark:border-gray-700 hover:border-gray-300 dark:hover:border-gray-600'
+                }`}
+              >
+                <div className='flex items-center gap-3'>
+                  {/* 圆形颜色预览 */}
+                  <div
+                    className='w-10 h-10 rounded-full flex-shrink-0 shadow-sm'
+                    style={{ backgroundColor: theme.color }}
+                  />
+                  {/* 主题名称 */}
+                  <div className='flex items-center gap-2'>
+                    <span className='text-sm font-medium text-gray-900 dark:text-gray-100 whitespace-nowrap'>
+                      {theme.label}
+                    </span>
+                    {themeSettings.builtInTheme === theme.value && (
+                      <div className='w-4 h-4 rounded-full bg-blue-500 flex items-center justify-center flex-shrink-0'>
+                        <svg
+                          className='w-2.5 h-2.5 text-white'
+                          fill='none'
+                          stroke='currentColor'
+                          viewBox='0 0 24 24'
+                        >
+                          <path
+                            strokeLinecap='round'
+                            strokeLinejoin='round'
+                            strokeWidth={3}
+                            d='M5 13l4 4L19 7'
+                          />
+                        </svg>
+                      </div>
+                    )}
+                  </div>
+                </div>
+              </div>
+            ))}
+          </div>
+          <p className='mt-4 text-sm text-gray-600 dark:text-gray-400'>
+            注意：启用内置主题时，自定义CSS将被禁用
+          </p>
+        </div>
+      )}
+
+      {/* 自定义CSS编辑器 */}
+      {!themeSettings.enableBuiltInTheme && (
+        <div className='bg-white dark:bg-gray-800 rounded-lg p-6 border border-gray-200 dark:border-gray-700'>
+          <h3 className='text-lg font-semibold text-gray-900 dark:text-gray-100 mb-4'>
+            自定义CSS
+          </h3>
+          <textarea
+            value={themeSettings.customCSS}
+            onChange={(e) =>
+              setThemeSettings((prev) => ({
+                ...prev,
+                customCSS: e.target.value,
+              }))
+            }
+            placeholder='在此输入自定义CSS代码...'
+            className='w-full h-96 px-4 py-3 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-700 text-gray-900 dark:text-gray-100 font-mono text-sm focus:ring-2 focus:ring-blue-500 focus:border-transparent'
+          />
+          <p className='mt-2 text-sm text-gray-600 dark:text-gray-400'>
+            提示：可以使用CSS变量、媒体查询等高级特性
+          </p>
+        </div>
+      )}
+
+      {/* 缓存设置 */}
+      <div className='bg-white dark:bg-gray-800 rounded-lg p-6 border border-gray-200 dark:border-gray-700'>
+        <h3 className='text-lg font-semibold text-gray-900 dark:text-gray-100 mb-4'>
+          缓存设置
+        </h3>
+        <div className='space-y-4'>
+          <label className='flex items-center space-x-3 cursor-pointer'>
+            <input
+              type='checkbox'
+              checked={themeSettings.enableCache}
+              onChange={(e) =>
+                setThemeSettings((prev) => ({
+                  ...prev,
+                  enableCache: e.target.checked,
+                }))
+              }
+              className='w-4 h-4 text-blue-600 rounded'
+            />
+            <span className='text-gray-900 dark:text-gray-100'>
+              启用浏览器缓存（推荐）
+            </span>
+          </label>
+
+          {themeSettings.enableCache && (
+            <div>
+              <label className='block text-sm font-medium text-gray-700 dark:text-gray-300 mb-2'>
+                缓存时间（分钟）
+              </label>
+              <input
+                type='number'
+                min='1'
+                max='43200'
+                value={themeSettings.cacheMinutes}
+                onChange={(e) =>
+                  setThemeSettings((prev) => ({
+                    ...prev,
+                    cacheMinutes: parseInt(e.target.value) || 1440,
+                  }))
+                }
+                className='w-full px-4 py-2 border border-gray-300 dark:border-gray-600 rounded-lg bg-white dark:bg-gray-700 text-gray-900 dark:text-gray-100 focus:ring-2 focus:ring-blue-500 focus:border-transparent'
+              />
+              <p className='mt-2 text-sm text-gray-600 dark:text-gray-400'>
+                建议值：60分钟（1小时）、1440分钟（1天）、10080分钟（7天）
+              </p>
+            </div>
+          )}
+        </div>
+        <p className='mt-4 text-sm text-gray-600 dark:text-gray-400'>
+          启用后，用户浏览器会缓存CSS文件指定时间，减少服务器负载。修改主题后会自动更新缓存。
+        </p>
+      </div>
+
+      {/* 保存按钮 */}
+      <div className='flex justify-end'>
+        <button
+          onClick={handleSave}
+          disabled={isLoading('saveThemeConfig')}
+          className={
+            isLoading('saveThemeConfig')
+              ? buttonStyles.disabled
+              : buttonStyles.success
+          }
+        >
+          {isLoading('saveThemeConfig') ? '保存中...' : '保存主题配置'}
+        </button>
+      </div>
+
+      {/* 弹窗 */}
+      <AlertModal
+        isOpen={alertModal.isOpen}
+        onClose={hideAlert}
+        type={alertModal.type}
+        title={alertModal.title}
+        message={alertModal.message}
+        timer={alertModal.timer}
+        showConfirm={alertModal.showConfirm}
+      />
+    </div>
+  );
+};
+
 // 新增站点配置组件
 const SiteConfigComponent = ({
   config,
@@ -5869,6 +6186,7 @@ function AdminPageClient() {
     configFile: false,
     dataMigration: false,
     customAdFilter: false,
+    themeConfig: false,
   });
 
   // 获取管理员配置
@@ -6016,6 +6334,21 @@ function AdminPageClient() {
             <SiteConfigComponent config={config} refreshConfig={fetchConfig} />
           </CollapsibleTab>
 
+          {/* 主题配置标签 */}
+          <CollapsibleTab
+            title='主题配置'
+            icon={
+              <Palette
+                size={20}
+                className='text-gray-600 dark:text-gray-400'
+              />
+            }
+            isExpanded={expandedTabs.themeConfig}
+            onToggle={() => toggleTab('themeConfig')}
+          >
+            <ThemeConfigComponent config={config} refreshConfig={fetchConfig} />
+          </CollapsibleTab>
+
           <div className='space-y-4'>
             {/* 用户配置标签 */}
             <CollapsibleTab

src/app/api/admin/theme/route.ts

@@ -0,0 +1,111 @@
+/* eslint-disable @typescript-eslint/no-explicit-any,no-console */
+
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getAuthInfoFromCookie } from '@/lib/auth';
+import { getConfig } from '@/lib/config';
+import { db } from '@/lib/db';
+
+export const runtime = 'nodejs';
+
+export async function POST(request: NextRequest) {
+  const storageType = process.env.NEXT_PUBLIC_STORAGE_TYPE || 'localstorage';
+  if (storageType === 'localstorage') {
+    return NextResponse.json(
+      {
+        error: '不支持本地存储进行管理员配置',
+      },
+      { status: 400 }
+    );
+  }
+
+  try {
+    const body = await request.json();
+
+    const authInfo = getAuthInfoFromCookie(request);
+    if (!authInfo || !authInfo.username) {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 });
+    }
+    const username = authInfo.username;
+
+    const {
+      enableBuiltInTheme,
+      builtInTheme,
+      customCSS,
+      enableCache,
+      cacheMinutes,
+    } = body as {
+      enableBuiltInTheme: boolean;
+      builtInTheme: string;
+      customCSS: string;
+      enableCache: boolean;
+      cacheMinutes: number;
+    };
+
+    // 参数校验
+    if (
+      typeof enableBuiltInTheme !== 'boolean' ||
+      typeof builtInTheme !== 'string' ||
+      typeof customCSS !== 'string' ||
+      typeof enableCache !== 'boolean' ||
+      typeof cacheMinutes !== 'number'
+    ) {
+      return NextResponse.json({ error: '参数格式错误' }, { status: 400 });
+    }
+
+    const adminConfig = await getConfig();
+
+    // 权限校验
+    if (username !== process.env.USERNAME) {
+      // 管理员
+      const user = adminConfig.UserConfig.Users.find(
+        (u) => u.username === username
+      );
+      if (!user || user.role !== 'admin' || user.banned) {
+        return NextResponse.json({ error: '权限不足' }, { status: 401 });
+      }
+    }
+
+    // 获取当前版本号，如果CSS有变化则递增
+    const currentVersion = adminConfig.ThemeConfig?.cacheVersion || 0;
+    const currentCSS = enableBuiltInTheme
+      ? adminConfig.ThemeConfig?.builtInTheme
+      : adminConfig.ThemeConfig?.customCSS;
+    const newCSS = enableBuiltInTheme ? builtInTheme : customCSS;
+    const cssChanged = currentCSS !== newCSS;
+
+    // 更新主题配置
+    adminConfig.ThemeConfig = {
+      enableBuiltInTheme,
+      builtInTheme,
+      customCSS,
+      enableCache,
+      cacheMinutes,
+      cacheVersion: cssChanged ? currentVersion + 1 : currentVersion,
+    };
+
+    // 写入数据库
+    await db.saveAdminConfig(adminConfig);
+
+    return NextResponse.json(
+      {
+        ok: true,
+        cacheVersion: adminConfig.ThemeConfig.cacheVersion,
+      },
+      {
+        headers: {
+          'Cache-Control': 'no-store',
+        },
+      }
+    );
+  } catch (error) {
+    console.error('更新主题配置失败:', error);
+    return NextResponse.json(
+      {
+        error: '更新主题配置失败',
+        details: (error as Error).message,
+      },
+      { status: 500 }
+    );
+  }
+}

src/app/api/theme/css/route.ts

@@ -0,0 +1,74 @@
+/* eslint-disable @typescript-eslint/no-explicit-any,no-console */
+
+import { NextRequest, NextResponse } from 'next/server';
+
+import { getConfig } from '@/lib/config';
+import { getThemeCSS } from '@/styles/themes';
+
+export const runtime = 'nodejs';
+
+export async function GET(request: NextRequest) {
+  try {
+    const adminConfig = await getConfig();
+    const themeConfig = adminConfig.ThemeConfig;
+
+    // 如果没有配置主题，返回空CSS
+    if (!themeConfig) {
+      return new NextResponse('', {
+        headers: {
+          'Content-Type': 'text/css',
+          'Cache-Control': 'no-store',
+        },
+      });
+    }
+
+    let css = '';
+
+    // 如果启用了内置主题，使用内置主题CSS
+    if (themeConfig.enableBuiltInTheme) {
+      css = getThemeCSS(themeConfig.builtInTheme as any);
+    } else {
+      // 否则使用自定义CSS
+      css = themeConfig.customCSS || '';
+    }
+
+    // 设置缓存控制
+    const cacheMinutes = themeConfig.cacheMinutes || 1440; // 默认1天（1440分钟）
+    const maxAge = cacheMinutes * 60; // 转换为秒
+    const staleWhileRevalidate = maxAge * 7; // 过期后7倍时间内可使用旧版本
+    const cacheControl = themeConfig.enableCache
+      ? `public, max-age=${maxAge}, stale-while-revalidate=${staleWhileRevalidate}`
+      : 'no-store';
+
+    // 添加版本号到ETag
+    const etag = `"${themeConfig.cacheVersion}"`;
+
+    // 检查客户端缓存
+    const ifNoneMatch = request.headers.get('if-none-match');
+    if (ifNoneMatch === etag && themeConfig.enableCache) {
+      return new NextResponse(null, {
+        status: 304,
+        headers: {
+          'Cache-Control': cacheControl,
+          ETag: etag,
+        },
+      });
+    }
+
+    return new NextResponse(css, {
+      headers: {
+        'Content-Type': 'text/css; charset=utf-8',
+        'Cache-Control': cacheControl,
+        ETag: etag,
+      },
+    });
+  } catch (error) {
+    console.error('获取主题CSS失败:', error);
+    return new NextResponse('', {
+      headers: {
+        'Content-Type': 'text/css',
+        'Cache-Control': 'no-store',
+      },
+    });
+  }
+}

src/app/layout.tsx

@@ -109,6 +109,8 @@ export default async function RootLayout({
           content='width=device-width, initial-scale=1.0, viewport-fit=cover'
         />
         <link rel='apple-touch-icon' href='/icons/icon-192x192.png' />
+        {/* 主题CSS */}
+        <link rel='stylesheet' href='/api/theme/css' />
         {/* 将配置序列化后直接写入脚本，浏览器端可通过 window.RUNTIME_CONFIG 获取 */}
         {/* eslint-disable-next-line @next/next/no-sync-scripts */}
         <script

src/lib/admin.types.ts

@@ -63,6 +63,14 @@ export interface AdminConfig {
     channelNumber?: number;
     disabled?: boolean;
   }[];
+  ThemeConfig?: {
+    enableBuiltInTheme: boolean; // 是否启用内置主题
+    builtInTheme: string; // 内置主题名称
+    customCSS: string; // 自定义CSS
+    enableCache: boolean; // 是否启用浏览器缓存
+    cacheMinutes: number; // 缓存时间（分钟）
+    cacheVersion: number; // CSS版本号（用于缓存控制）
+  };
 }
 
 export interface AdminConfigResult {

src/middleware.ts

@@ -133,6 +133,6 @@ function shouldSkipAuth(pathname: string): boolean {
 // 配置middleware匹配规则
 export const config = {
   matcher: [
-    '/((?!_next/static|_next/image|favicon.ico|login|warning|api/login|api/register|api/logout|api/cron|api/server-config|api/proxy-m3u8|api/cms-proxy|api/tvbox/subscribe).*)',
+    '/((?!_next/static|_next/image|favicon.ico|login|warning|api/login|api/register|api/logout|api/cron|api/server-config|api/proxy-m3u8|api/cms-proxy|api/tvbox/subscribe|api/theme/css).*)',
   ],
 };

src/styles/themes.ts

@@ -0,0 +1,389 @@
+// 内置主题定义
+export const builtInThemes = {
+  default: {
+    name: '默认主题',
+    description: '使用系统默认样式',
+    color: '#3b82f6',
+    css: '',
+  },
+  dark_blue: {
+    name: '深蓝夜空',
+    description: '深邃的蓝色科技风格',
+    color: '#3b82f6',
+    css: `
+/* 浅色模式 */
+:root:not(.dark) {
+  --theme-primary: #2563eb;
+  --theme-primary-hover: #1d4ed8;
+  --theme-bg: #dbeafe;
+  --theme-bg-secondary: #eff6ff;
+  --theme-text: #1e3a8a;
+  --theme-text-secondary: #3b82f6;
+  --theme-border: #93c5fd;
+}
+
+:root:not(.dark) body {
+  background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 深色模式 */
+.dark {
+  --theme-primary: #3b82f6;
+  --theme-primary-hover: #2563eb;
+  --theme-bg: #0f172a;
+  --theme-bg-secondary: #1e293b;
+  --theme-text: #e2e8f0;
+  --theme-text-secondary: #94a3b8;
+  --theme-border: #334155;
+}
+
+.dark body {
+  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 通用样式 */
+[class*="bg-white"]:not(.dark *), [class*="bg-gray-50"]:not(.dark *) {
+  background: var(--theme-bg-secondary) !important;
+  color: var(--theme-text) !important;
+}
+
+.dark [class*="bg-gray-800"], .dark [class*="bg-gray-900"] {
+  background: var(--theme-bg-secondary) !important;
+  color: var(--theme-text) !important;
+}
+
+[class*="border-gray"] {
+  border-color: var(--theme-border) !important;
+}
+
+[class*="text-gray-600"], [class*="text-gray-700"], [class*="text-gray-800"] {
+  color: var(--theme-text-secondary) !important;
+}
+
+.dark [class*="text-gray-"] {
+  color: var(--theme-text-secondary) !important;
+}
+`,
+  },
+  purple_dream: {
+    name: '紫色梦境',
+    description: '神秘的紫色渐变风格',
+    color: '#a78bfa',
+    css: `
+/* 浅色模式 */
+:root:not(.dark) {
+  --theme-primary: #7c3aed;
+  --theme-primary-hover: #6d28d9;
+  --theme-bg: #f3e8ff;
+  --theme-bg-secondary: #faf5ff;
+  --theme-text: #581c87;
+  --theme-text-secondary: #7c3aed;
+  --theme-border: #d8b4fe;
+}
+
+:root:not(.dark) body {
+  background: linear-gradient(135deg, #faf5ff 0%, #f3e8ff 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 深色模式 */
+.dark {
+  --theme-primary: #a78bfa;
+  --theme-primary-hover: #8b5cf6;
+  --theme-bg: #1a0b2e;
+  --theme-bg-secondary: #2d1b4e;
+  --theme-text: #f3e8ff;
+  --theme-text-secondary: #c4b5fd;
+  --theme-border: #4c1d95;
+}
+
+.dark body {
+  background: linear-gradient(135deg, #1a0b2e 0%, #2d1b4e 50%, #4c1d95 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 通用样式 */
+[class*="bg-white"]:not(.dark *), [class*="bg-gray-50"]:not(.dark *) {
+  background: var(--theme-bg-secondary) !important;
+  color: var(--theme-text) !important;
+}
+
+.dark [class*="bg-gray-800"], .dark [class*="bg-gray-900"] {
+  background: rgba(45, 27, 78, 0.8) !important;
+  color: var(--theme-text) !important;
+  backdrop-filter: blur(10px);
+}
+
+[class*="border-gray"] {
+  border-color: var(--theme-border) !important;
+}
+
+[class*="text-gray-600"], [class*="text-gray-700"], [class*="text-gray-800"] {
+  color: var(--theme-text-secondary) !important;
+}
+
+.dark [class*="text-gray-"] {
+  color: var(--theme-text-secondary) !important;
+}
+`,
+  },
+  green_forest: {
+    name: '翠绿森林',
+    description: '清新的绿色自然风格',
+    color: '#10b981',
+    css: `
+/* 浅色模式 */
+:root:not(.dark) {
+  --theme-primary: #059669;
+  --theme-primary-hover: #047857;
+  --theme-bg: #d1fae5;
+  --theme-bg-secondary: #ecfdf5;
+  --theme-text: #064e3b;
+  --theme-text-secondary: #059669;
+  --theme-border: #6ee7b7;
+}
+
+:root:not(.dark) body {
+  background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 深色模式 */
+.dark {
+  --theme-primary: #10b981;
+  --theme-primary-hover: #059669;
+  --theme-bg: #064e3b;
+  --theme-bg-secondary: #065f46;
+  --theme-text: #d1fae5;
+  --theme-text-secondary: #6ee7b7;
+  --theme-border: #047857;
+}
+
+.dark body {
+  background: linear-gradient(135deg, #064e3b 0%, #065f46 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 通用样式 */
+[class*="bg-white"]:not(.dark *), [class*="bg-gray-50"]:not(.dark *) {
+  background: var(--theme-bg-secondary) !important;
+  color: var(--theme-text) !important;
+}
+
+.dark [class*="bg-gray-800"], .dark [class*="bg-gray-900"] {
+  background: rgba(6, 95, 70, 0.9) !important;
+  color: var(--theme-text) !important;
+}
+
+[class*="border-gray"] {
+  border-color: var(--theme-border) !important;
+}
+
+[class*="text-gray-600"], [class*="text-gray-700"], [class*="text-gray-800"] {
+  color: var(--theme-text-secondary) !important;
+}
+
+.dark [class*="text-gray-"] {
+  color: var(--theme-text-secondary) !important;
+}
+`,
+  },
+  orange_sunset: {
+    name: '橙色日落',
+    description: '温暖的橙色日落风格',
+    color: '#f97316',
+    css: `
+/* 浅色模式 */
+:root:not(.dark) {
+  --theme-primary: #ea580c;
+  --theme-primary-hover: #c2410c;
+  --theme-bg: #fed7aa;
+  --theme-bg-secondary: #ffedd5;
+  --theme-text: #7c2d12;
+  --theme-text-secondary: #ea580c;
+  --theme-border: #fdba74;
+}
+
+:root:not(.dark) body {
+  background: linear-gradient(135deg, #ffedd5 0%, #fed7aa 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 深色模式 */
+.dark {
+  --theme-primary: #f97316;
+  --theme-primary-hover: #ea580c;
+  --theme-bg: #431407;
+  --theme-bg-secondary: #7c2d12;
+  --theme-text: #fed7aa;
+  --theme-text-secondary: #fdba74;
+  --theme-border: #9a3412;
+}
+
+.dark body {
+  background: linear-gradient(135deg, #431407 0%, #7c2d12 50%, #9a3412 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 通用样式 */
+[class*="bg-white"]:not(.dark *), [class*="bg-gray-50"]:not(.dark *) {
+  background: var(--theme-bg-secondary) !important;
+  color: var(--theme-text) !important;
+}
+
+.dark [class*="bg-gray-800"], .dark [class*="bg-gray-900"] {
+  background: rgba(124, 45, 18, 0.85) !important;
+  color: var(--theme-text) !important;
+}
+
+[class*="border-gray"] {
+  border-color: var(--theme-border) !important;
+}
+
+[class*="text-gray-600"], [class*="text-gray-700"], [class*="text-gray-800"] {
+  color: var(--theme-text-secondary) !important;
+}
+
+.dark [class*="text-gray-"] {
+  color: var(--theme-text-secondary) !important;
+}
+`,
+  },
+  pink_candy: {
+    name: '粉色糖果',
+    description: '甜美的粉色糖果风格',
+    color: '#ec4899',
+    css: `
+/* 浅色模式 */
+:root:not(.dark) {
+  --theme-primary: #db2777;
+  --theme-primary-hover: #be185d;
+  --theme-bg: #fce7f3;
+  --theme-bg-secondary: #fdf2f8;
+  --theme-text: #831843;
+  --theme-text-secondary: #db2777;
+  --theme-border: #fbcfe8;
+}
+
+:root:not(.dark) body {
+  background: linear-gradient(135deg, #fdf2f8 0%, #fce7f3 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 深色模式 */
+.dark {
+  --theme-primary: #ec4899;
+  --theme-primary-hover: #db2777;
+  --theme-bg: #500724;
+  --theme-bg-secondary: #831843;
+  --theme-text: #fce7f3;
+  --theme-text-secondary: #fbcfe8;
+  --theme-border: #9f1239;
+}
+
+.dark body {
+  background: linear-gradient(135deg, #500724 0%, #831843 50%, #9f1239 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 通用样式 */
+[class*="bg-white"]:not(.dark *), [class*="bg-gray-50"]:not(.dark *) {
+  background: var(--theme-bg-secondary) !important;
+  color: var(--theme-text) !important;
+}
+
+.dark [class*="bg-gray-800"], .dark [class*="bg-gray-900"] {
+  background: rgba(131, 24, 67, 0.85) !important;
+  color: var(--theme-text) !important;
+}
+
+[class*="border-gray"] {
+  border-color: var(--theme-border) !important;
+}
+
+[class*="text-gray-600"], [class*="text-gray-700"], [class*="text-gray-800"] {
+  color: var(--theme-text-secondary) !important;
+}
+
+.dark [class*="text-gray-"] {
+  color: var(--theme-text-secondary) !important;
+}
+`,
+  },
+  cyan_ocean: {
+    name: '青色海洋',
+    description: '清爽的青色海洋风格',
+    color: '#06b6d4',
+    css: `
+/* 浅色模式 */
+:root:not(.dark) {
+  --theme-primary: #0891b2;
+  --theme-primary-hover: #0e7490;
+  --theme-bg: #cffafe;
+  --theme-bg-secondary: #ecfeff;
+  --theme-text: #164e63;
+  --theme-text-secondary: #0891b2;
+  --theme-border: #67e8f9;
+}
+
+:root:not(.dark) body {
+  background: linear-gradient(135deg, #ecfeff 0%, #cffafe 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 深色模式 */
+.dark {
+  --theme-primary: #06b6d4;
+  --theme-primary-hover: #0891b2;
+  --theme-bg: #083344;
+  --theme-bg-secondary: #164e63;
+  --theme-text: #cffafe;
+  --theme-text-secondary: #67e8f9;
+  --theme-border: #155e75;
+}
+
+.dark body {
+  background: linear-gradient(135deg, #083344 0%, #164e63 100%) !important;
+  color: var(--theme-text) !important;
+}
+
+/* 通用样式 */
+[class*="bg-white"]:not(.dark *), [class*="bg-gray-50"]:not(.dark *) {
+  background: var(--theme-bg-secondary) !important;
+  color: var(--theme-text) !important;
+}
+
+.dark [class*="bg-gray-800"], .dark [class*="bg-gray-900"] {
+  background: rgba(22, 78, 99, 0.9) !important;
+  color: var(--theme-text) !important;
+}
+
+[class*="border-gray"] {
+  border-color: var(--theme-border) !important;
+}
+
+[class*="text-gray-600"], [class*="text-gray-700"], [class*="text-gray-800"] {
+  color: var(--theme-text-secondary) !important;
+}
+
+.dark [class*="text-gray-"] {
+  color: var(--theme-text-secondary) !important;
+}
+`,
+  },
+};
+
+export type ThemeName = keyof typeof builtInThemes;
+
+export function getThemeCSS(themeName: ThemeName): string {
+  return builtInThemes[themeName]?.css || '';
+}
+
+export function getThemeNames(): { value: ThemeName; label: string }[] {
+  return Object.entries(builtInThemes).map(([key, theme]) => ({
+    value: key as ThemeName,
+    label: theme.name,
+  }));
+}