.w1200 {
  width: 1200px;
  margin-left: auto;
  margin-right: auto;
}
.index-buysell-step {
  position: relative;
  margin-top: 30px;
  font-size: 14px;
  z-index: 1;
}
.w900{
  width: 900px;
  height: 540px;
  margin-left: auto;
  margin-right: auto;
  overflow:auto;
}
.w575{width: 574px;height: 230px;}
.cjwt_div{
  background-color: #ff6b1d;
  color: #fff;
  width: 164px;
  height: 55px;
  text-align: center;
  line-height: 57px;
}
.q_a{
  color: #000;
  background-color: #e9e9e9;
  padding:10px 0 10px 23px;
}