.daohang a#index {
 font-weight:700;
 text-decoration:none;
 background-repeat:no-repeat;
 text-align:center;
 color:#fff
}
.blue .daohang a#index {
 color:#3592e2
}
.green .daohang a#index {
 color:#42b712
}
.orange .daohang a#index {
 color:#f90
}
.red .daohang a#index {
 color:#ed232f
}