.daohang a#index{font-weight:bold;text-decoration:none;background-repeat:no-repeat;text-align:center;color:#fff;color:#fff}.blue .daohang a#index{background-color:#3592e2}.green .daohang a#index{background-color:#42b712;border-radius: 3px 3px 0 0;}.orange .daohang a#index{background-color:#f78015;border-radius: 3px 3px 0 0;}.red .daohang a#index{background-color:#c40000}