How to start chatting?
1. Find the member you want to chat with in the member list
2. Click the **"Chat"** button
3. Enter the chat interface to start communicating
Chat function features
- **Private chat**: One-to-one private chat
- **Group chat**: Multi-person group chat
- **File sharing**: Send pictures, videos, documents
- **Real-time message**: Instant message delivery
- **Unread reminder**: Display the number of unread messages
Supported message types
- 📝 **Text message**: Text communication
- 🖼️ **Picture message**: Share photos and pictures
- 🎥 **Video message**: Send video files
- 📄 **File message**: Share documents and materials