.merchant{
  background: url("../images/bg3.png");
  height: 320px;
  width: 100%;
  overflow: hidden;
  text-align: center;
}
.merchant>div:first-child{
  width: 780px;
  height: 84px;
  margin: 70px auto 40px;
  line-height: 84px;
}
.merchant>div:first-child span:nth-child(1),.merchant>div:first-child span:nth-child(3){
  color: #fff;
  font-size: 28px;
}
.merchant>div:first-child span:nth-child(2){
  color: #fff;
  font-size: 60px;
  letter-spacing: 25px;
}
.merchant>div:last-child{
  width: 650px;
  height: 70px;
  border: 1px dashed #fff;
  border-radius: 30px;
  margin: 0 auto;
  color: #fff;
  font-size: 26px;
  line-height: 70px;
  text-align: center;
  letter-spacing: 20px;
}