网页上漂浮的客服代码（漂浮框架兼容各大浏览器）常见网页上的漂浮客服窗口，是一个漂浮框架，各位可以拿去用。在chrome、ie、firefox下测试正常。-Floating on the page, customer service code (floating fr a mework compatible with the common pages of the major browsers) floating on the customer service window is a floati