样式代码1

- character: "none"
  text: "你好，欢迎使用Raven"
  portrait: "none"
  swf: "Ray2"
  background: "bg2"
  bgm: "two.ogg"

- character: "none"
  text: "艾琳教授的课通常很有趣，但今天我就是无法集中精力听课。"
  portrait: "none"
  background: "bg2"
  bgm: "two.ogg"