.public-banner {
  background-image: url("../img/pinpai/bg.png");
}
.public-header-box .nav {
  padding-left: 70px;
}
main .public-main {
  width: 1320px;
  padding: 48px 0 30px 130px;
}
main .public-main .chanpin {
  display: flex;
}
main .public-main .chanpin ul {
  width: 151px;
}
main .public-main .chanpin ul li {
  width: 151px;
  height: 35px;
  line-height: 35px;
  text-align: center;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  margin-bottom: 5px;
  cursor: pointer;
  transition: 0.2s;
}
main .public-main .chanpin ul li.active {
  background: #E73733;
  color: #FFFFFF;
}
main .public-main .chanpin ul li:hover {
  background: #E73733;
  color: #FFFFFF;
}
main .public-main .chanpin ol {
  width: 0;
  flex: 1;
  margin-left: 47px;
  display: flex;
  flex-wrap: wrap;
}
main .public-main .chanpin ol li {
  width: 307px;
  margin-right: 34px;
  margin-bottom: 78px;
}
main .public-main .chanpin ol li:nth-child(3n) {
  margin-right: 0;
}
main .public-main .chanpin ol li .box {
  background: #F7F7F7;
  height: 396px;
}
main .public-main .chanpin ol li .box .img-box {
  height: 308px;
  display: flex;
  align-items: center;
  justify-content: center;
}
main .public-main .chanpin ol li .box .img-box img {
  height: 260px;
  object-fit: contain;
}
main .public-main .chanpin ol li .box .title {
  font-size: 16px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 500;
  color: #333333;
  line-height: 22px;
  padding: 21px 23px 45px;
}
main .public-main .chanpin ol li .detail {
  width: 114px;
  height: 38px;
  line-height: 36px;
  text-align: center;
  border: 1px solid #D5D5D5;
  font-size: 16px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  margin: 20px 0 0 auto;
}