Metro风格网页右侧返回顶部代码，带多个菜单，包括咨询效果、咨询专家、QQ咨询、来院路线等，平滑滚动到顶部。-Metro style right side of the page Back to top code, with a plurality of menus, including consultation results, consultants, QQ consultation, to the hospital routes, smooth scrolling to the top.