* {
  margin: 0;
  padding: 0;
}

html,
body {
  width: 100%;
  height: 100%;
}

body * {
  box-sizing: border-box;
}

.main {
  width: 100%;
  height: 100%;
}

.main_banner {
  width: 100%;
  display: block;
}

.main_middle {
  width: 100%;
  height: 1.69rem;
  background: url('../img/bg_middle.png') no-repeat center center / 100% auto;
  padding: 0.32rem;
}

.main_middle_price {
  font-size: 0.56rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #e02020;
  line-height: 0.78rem;
}

.main_middle_price span {
  font-size: 0.32rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #e02020;
  line-height: 0.28rem;
}

.main_middle_desc {
  font-size: 0.2rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.5);
}

.main_detail {
  width: 100%;
  height: 11.88rem;
  background: url('../img/bg_bottom.png') no-repeat center center / 100% 100%;
  padding: 0.32rem 0 0 0.32rem;
  position: relative;
}

.main_detail_brand_title {
  font-size: 0.36rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 0.44rem;
}

.main_detail_brand_company {
  font-size: 0.28rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #666666;
  line-height: 0.36rem;
  margin: 0.16rem 0;
}

.main_detail_brand_category {
  font-size: 0.32rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #666666;
  line-height: 0.4rem;
}

.main_detail_brand_category span {
  font-size: 0.32rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  line-height: 0.42rem;
}

.main_detail_explain {
  width: 4.5rem;
  height: auto;
  position: absolute;
  top: 3.2rem;
  left: 2.41rem;
}

.main_detail_explain li {
  padding: 0;
  margin: 0;
  list-style: none;
  min-height: 0.2rem;
  display: flex;
  margin-bottom: 0.2rem;
}

.main_detail_explain li span:first-child {
  width: 1.8rem;
  font-size: 0.26rem;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #666666;
  line-height: 0.42rem;
}

.main_detail_explain li span:last-child {
  width: 2.64rem;
  font-size: 0.24rem;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 0.42rem;
}