.demo .banner {
  height: 6rem;
  width: 100%;
  background-image: url(../img/goods_service/蒙版组\ 2.png);
}
.nav {
  display: flex;
  height: 0.54rem;
}
.nav img {
  margin: auto 0.1rem;
  width: 0.16rem;
  height: 0.16rem;
}
.nav .text {
  line-height: 0.54rem;
  font-size: 0.14rem;
  color: #666666;
}

.demo .pictureBox {
  height: 10.8rem;
  background-image: url(../img/goods_service/组\ 162.png);
  border-top: 1px solid transparent;
  text-align: center;
  color: #fff;
}
.pictureBox .picTitle {
  margin-top: 1.5rem;
  font-size: 0.6rem;
  line-height: 0.79rem;
  font-weight: bold;
}
.effect {
  margin-top: 0.05rem;
  margin-bottom: 0.3rem;
  font-size: 0.24rem;
  font-weight: 400;
}

.introduce {
  display: flex;
  justify-content: space-between;
  margin: 6.4rem auto 0;
  padding: 0 1.1rem 0 1rem;
}
.introduceItem {
  font-size: 0.5rem;
  line-height: 0.66rem;
  font-weight: bold;
}
.introduceItem span {
  font-size: 0.2rem;
  line-height: 1;
  font-weight: normal;
}
.textIntroduce {
  display: flex;
  justify-content: space-between;
  margin: 0.1rem auto 0;
  padding: 0 1rem 0 1.09rem;
}
.textItem {
  font-size: 0.2rem;
  font-weight: 400;
  color: #ffffff;
  line-height: 0.26rem;
}
.advantage {
  height: auto;
  background-image: url(../img/goods_service/组\ 163.png);
  overflow: hidden;
}
.advantage .rightBox {
  margin-top: 2rem;
  margin-left: 9.75rem;
  width: 3.62rem;
}
.advantage .title {
  margin-left: 0.27rem;
  margin-bottom: 0.6rem;
  font-size: 0.4rem;
  font-weight: bold;
  color: #ffffff;
}
.advantageBox .left{
    margin-right: 0.45rem;
}
.advantage .item {
  position: relative;
  padding: 0.16rem 0 0.3rem;
  font-size: 0.2rem;
  color: #ffffff;
}
.advantage .item::after {
  content: '';
  position: absolute;
  top: 0;
  display: block;
  width: 0.8rem;
  height: 0.02rem;
  background: #ffffff;
}
.advantage .item p {
  line-height: 0.32rem;
  white-space: nowrap;

  font-size: 0.2rem;
}
.advantageBox {
  display: flex;
  justify-content: space-between;
}
.equipment {
  padding: 0.8rem 0;
}
.equipment .title {
  font-size: 0.4rem;
  line-height: 0.52rem;
  text-align: center;
}
.equipment .english {
  margin: 0.15rem 0 0.2rem;
  font-size: 0.18rem;
  line-height: 0.24rem;
  text-align: center;
  color: #333333;
}
.equipment .picBox {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.equipment .picBox::after {
  display: block;
  content: '';
  width: 4.5rem;
  visibility: hidden;
}
.equipment .picBox .transition_box {
  margin-top: 0.3rem;
  width: 4.5rem;
  height: 3rem;
}