body {
  margin: 0;
  display: flex;
  flex-direction: column;
  height: 100vh;
  /*width: 100vh;*/
  background-color: #F3F3F3;
}

.up {
  display: flex;
  flex-direction: column;
  justify-content: center;
  /*padding-left: 20px;*/
  padding-bottom: 15px;
  width: 100%;
  /*height: 23%;*/
  /*设置上边框*/
  background: #FFFFFF;
  border-top: #F3F3F3 2px;
  border-top-style: solid;
  box-shadow: 0px 5px 10px 0px rgba(0, 0, 0, 0.05);
  border-radius: 0px 0px 4px 4px;
  font-weight: 600;
  font-family: PingFangSC-Semibold, PingFang SC;
}

.up_title {
  display: flex;
  flex-direction: row;
  align-items: center;
  margin-left: 20px;
  margin-top: 20px;
}

.up_title div {
  width: 3px;
  height: 20px;
  background: #E94F35;
  margin-right: 20px;
}

.upFont1 {
  color: black;
}

.upFont2 {
  margin-top: 10px;
  margin-left: 20px;

  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #999999;
  line-height: 30px;
}
.up_img_p{
  padding-left: 20px;
  margin-top: 10px;
}
.up_img{
  width:28%;
}

.middle {
  margin-top: 20px;
  width: 100%;
  height: 57%;
  background-color: white;
  display: flex;
  flex-direction: column;
}
.middle img{
  width: 100%;
  height: auto;
  margin-top: 20px;
}


.bottom {
  display: flex;
  width: 100%;
  height: 10%;
  background-color: white;
  justify-content: center;
  align-items: center;
  position: fixed;
  bottom: 0;
}

.bottom button {
  font-size: 16px;
  font-family: PingFangSC-Semibold, PingFang SC;
  font-weight: 600;

  color: white;
  width: 90%;
  height: 50px;
  background-color: #FB4645;
  border: none;
  border-radius: 3px;
}