jQuery侧边悬浮的客服菜单代码
一款简单的jQuery网页右侧悬浮的在线客服，二维码展示，联系电话、返回顶部，侧边栏导航等功能代码。
(A simple online customer service floating on the right side of the jQuery webpage, QR code display, contact number, back to top, sidebar navigation and other functional codes.)
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