.main .inner {
  width: 100%;
  padding: 20px;
  box-sizing: border-box;
}

.resule_box {
  display: flex;
  font-size: 16px;
  color: #333;
  text-align: center;
  width: 400px;
  margin: 10px auto;
  border: 1px solid rgb(40, 156, 234);
}
.resule_box .tt {
  width: 150px;
  background-color: rgb(169, 203, 226);
}
.resule_box .con {
  width: calc(100% - 150px);
}
.resule_box .tt .title {
  border-bottom: 1px solid rgb(40, 156, 234);
  border-right: 1px solid rgb(40, 156, 234);
}
.resule_box .con .con_item {
  border-bottom: 1px solid rgb(40, 156, 234);
}

.resule_box .tt .title:last-child,
.resule_box .con .con_item:last-child {
  border-bottom: none;
}

.return {
  display: none;
  text-align: center;
  width: 130px;
  height: 40px;
  background-color: rgb(169, 203, 226);
  border: 1px solid rgb(40, 156, 234);
  color: #333;
  font-size: 18px;
  margin: 20px auto;
  cursor: pointer;
}
.cxtg {
  margin: 20px auto;
  width: 500px;
  text-align: center;
  font-size: 25px;
  color: #df1212;
  font-weight: bold;
}
@media screen and (max-width: 999px) {
  .sudy-form.content_box {
    width: 100%;
  }
  .resule_box .tt {
    width: 35%;
    background-color: rgb(169, 203, 226);
  }
  .cxtg {
    margin: 20px auto;
    width: 100%;
  }
  .resule_box .con {
    width: calc(100% - 35%);
  }
  .resule_box .con .con_item {
    border-bottom: 1px solid rgb(40, 156, 234);
    font-size: 14px;
    line-height: 32px;
  }
  .resule_box {
    width: 100%;
  }
}