DATABASE_URL="mysql://root:password@localhost:3306/ai_video" AI_BASE_URL="https://your-openai-compatible-gateway/v1" AI_API_KEY="sk-xxx" AI_MODEL="gemini-3-flash-preview" TTS_VOICE="nova" TTS_MODEL="qwen3-tts-flash" IMAGE_API_BASE_URL="https://api.evolink.ai" IMAGE_API_KEY="your-image-key" NEXT_PUBLIC_APP_NAME="AI 视频制作智能体"