.title_info{
    margin-top: 40px;
}

.solve {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
}
.solve .solve_left {
  width: 720px;
}
.solve .solve_left h3 {
  font-family: AlibabaPuHuiTi-Regular;
  font-size: 24px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 24px;
  letter-spacing: 0px;
  color: #333333;
}
.solve .solve_left h5 {
  font-family: AlibabaPuHuiTi-Regular;
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 18px;
  letter-spacing: 2px;
  color: #333333;
  margin-bottom: 12px;
}
.demo main {
  display: flex;
  justify-content: space-between;
}
.demo main div {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}
.demo main div h6 {
  font-family: AlibabaPuHuiTi-Regular;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 0px;
  color: #666666;
  margin-top: 15px;
}
.demo main .mark_shadow div {
  box-shadow: 0 0 10px 3px #e8e8e8;
}
.advantage {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.advantage div {
  width: 600px;
  height: 160px;
  background-color: #f4f4f4;
  border: solid 1px #d8d8d8;
  margin-bottom: 15px;
  padding-left: 28px;
  padding-top: 20px;
  padding-right: 18px;
}
.advantage div h6 {
  font-family: AlibabaPuHuiTi-Regular;
  font-size: 16px;
  font-weight: bold;
  font-stretch: normal;
  line-height: 22px;
  letter-spacing: 0px;
  color: #333333;
  margin-bottom: 15px;
}
.advantage div p {
  font-family: AlibabaPuHuiTi-Regular;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 22px;
  letter-spacing: 0px;
  color: #666666;
  margin: 0;
}