body {
  background-color: #F9F9F9;
}
.section1 {
  overflow: unset;
}
.section1::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  width: 100%;
  height: 1080px;
  background: linear-gradient(180deg, #E1F4F6 0%, #F9F9F9 100%);
}
.section1 .wrap {
  padding-top: 210px;
  padding-bottom: 160px;
  width: 1720px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}
.section1 .wrap .top {
  margin-bottom: 76px;
}
.section1 .wrap .top .title {
  margin-bottom: 30px;
}
.section1 .wrap .top .title h3 {
  color: #37180E;
  font-size: 80px;
  line-height: 1;
  text-align: center;
}
.section1 .wrap .top .text {
  width: 860px;
  margin: 0 auto;
  text-align: center;
}
.section1 .wrap .top .text p {
  color: #37180E;
  font-size: 20px;
  line-height: 26px;
}
.section1 .wrap .bottom {
  border-top: 1px solid #E9E4E0;
  padding-top: 40px;
  display: flex;
}
.section1 .wrap .bottom .tab {
  width: 440px;
  margin-right: 90px;
  position: sticky;
  top: 100px;
  height: fit-content;
}
.section1 .wrap .bottom .tab .title {
  padding-bottom: 20px;
  border-bottom: 1px solid #E9E4E0;
}
.section1 .wrap .bottom .tab .title h4 {
  color: #37180E;
  font-size: 30px;
}
.section1 .wrap .bottom .tab .list {
  padding-top: 30px;
}
.section1 .wrap .bottom .tab .list .item {
  margin-bottom: 20px;
}
.section1 .wrap .bottom .tab .list .item.active .head {
  color: #F36039;
}
.section1 .wrap .bottom .tab .list .item.active .head .add::after {
  transform: rotate(270deg);
}
.section1 .wrap .bottom .tab .list .item.active .head .add::after,
.section1 .wrap .bottom .tab .list .item.active .head .add::before {
  background-color: #F36039;
}
.section1 .wrap .bottom .tab .list .item .head {
  display: flex;
  align-items: center;
  font-size: 18px;
  color: #37180E;
  transition: all 0.6s;
}
.section1 .wrap .bottom .tab .list .item .head .add {
  width: 12px;
  height: 12px;
  position: relative;
  margin-right: 8px;
}
.section1 .wrap .bottom .tab .list .item .head .add::after,
.section1 .wrap .bottom .tab .list .item .head .add::before {
  display: block;
  position: absolute;
  content: "";
  top: 0;
  right: 0;
  left: 0;
  bottom: 0;
  margin: auto;
  background: #37180E;
  transition: all 0.6s;
}
.section1 .wrap .bottom .tab .list .item .head .add::before {
  width: 100%;
  height: 2px;
}
.section1 .wrap .bottom .tab .list .item .head .add::after {
  width: 2px;
  height: 100%;
}
.section1 .wrap .bottom .tab .list .item .body {
  display: none;
  padding-left: 20px;
}
.section1 .wrap .bottom .tab .list .item .body a {
  line-height: 35px;
  color: #37180E;
  display: block;
  transition: all 0.6s;
}
.section1 .wrap .bottom .tab .list .item .body a.on,
.section1 .wrap .bottom .tab .list .item .body a:hover {
  color: #F36039;
}
.section1 .wrap .bottom .main {
  flex: 1;
}
.section1 .wrap .bottom .main .t {
  display: flex;
  justify-content: space-between;
  padding-bottom: 20px;
  border-bottom: 1px solid #E9E4E0;
  margin-bottom: 30px;
}
.section1 .wrap .bottom .main .t .title {
  display: flex;
  align-items: center;
}
.section1 .wrap .bottom .main .t .title h4 {
  color: #111;
  font-size: 18px;
}
.section1 .wrap .bottom .main .t .search {
  width: 400px;
  height: 46px;
  background-color: #fff;
  border-radius: 23px;
  display: flex;
  align-items: center;
  padding: 0 20px;
}
.section1 .wrap .bottom .main .t .search button {
  background-color: transparent;
  margin-right: 10px;
}
.section1 .wrap .bottom .main .t .search button span {
  font-size: 20px;
}
.section1 .wrap .bottom .main .t .search input {
  flex: 1;
  border: none;
  font-size: 18px;
  background-color: transparent;
}
.section1 .wrap .bottom .main .t .search input::placeholder {
  color: #C9C9C9;
  font-size: 18px;
}
.section1 .wrap .bottom .main .b .list {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
}
.section1 .wrap .bottom .main .b .list .item {
  width: 370px;
}
.section1 .wrap .bottom .main .b .list .item:hover .img img {
  transform: scale(1.1);
}
.section1 .wrap .bottom .main .b .list .item:hover .img .icon {
  background-color: #F36039;
}
.section1 .wrap .bottom .main .b .list .item:hover .img .icon span {
  color: #fff;
}
.section1 .wrap .bottom .main .b .list .item .img {
  border-radius: 20px;
  overflow: hidden;
  position: relative;
}
.section1 .wrap .bottom .main .b .list .item .img img {
  transition: all 2s;
}
.section1 .wrap .bottom .main .b .list .item .img .icon {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #fff;
  border-radius: 50%;
  position: absolute;
  right: 23px;
  bottom: 20px;
  transition: all 0.6s;
}
.section1 .wrap .bottom .main .b .list .item .img .icon span {
  transition: all 0.6s;
  color: #37180E;
  font-size: 24px;
}
.section1 .wrap .bottom .main .b .list .item .color {
  display: flex;
  margin: 20px 0;
  gap: 16px;
}
.section1 .wrap .bottom .main .b .list .item .color .trem {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.section1 .wrap .bottom .main .b .list .item .tit {
  margin-bottom: 10px;
}
.section1 .wrap .bottom .main .b .list .item .tit h5 {
  color: #37180E;
  font-size: 24px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  transition: all 0.6s;
}
.section1 .wrap .bottom .main .b .list .item .price p {
  color: #37180E;
  font-size: 24px;
}