body {
  font-size: 14px;
  font-family: "微软雅黑";
  background: #fff;
  margin: 0;
}
* {
  margin: 0;
  padding: 0;
}
.top {
  background: #fff;
  height: 45px;
  box-shadow: 0 0 10px #ddd;
}
.main {
  background: url('overtime.png') center top no-repeat;
  margin-top: 20px;
  padding-top: 580px;
  text-align: center;
}
.main .q1 {
  font-size: 18px;
  line-height: 2;
  margin: 20px;
}
.main .q2 {
  line-height: 30px;
}
.main .sub {
  margin: 40px auto;
  width: 128px;
  height: 40px;
  border-radius: 3px;
  font-size: 18px;
  line-height: 40px;
  color: #fff;
  background: #299be4;
  cursor: pointer;
}
.main .sub:hover {
  background: #186ca2;
}
.repeat {
  background: url('Repeat.png') center top no-repeat;
}
.building {
  background: url('building.png') center top no-repeat;
}