.section1 {
  background-color: #F9F9F9;
}
.section1::after {
  content: "";
  display: block;
  position: absolute;
  top: 0;
  width: 100%;
  height: 1080px;
  background: linear-gradient(180deg, #E5F8E5 0%, rgba(249, 249, 249, 0) 100%);
}
.section1 .wrap {
  padding-top: 240px;
  position: relative;
  z-index: 2;
}
.section1 .wrap .return {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: #F36039;
  display: flex;
  align-items: center;
  justify-content: center;
  transform: rotate(-145deg);
  margin-bottom: 50px;
  transition: all 0.6s;
  margin-left: calc(50% - 814px);
}
.section1 .wrap .return:hover {
  transform: rotate(-180deg);
}
.section1 .wrap .return span {
  color: #fff;
  font-size: 24px;
}
.section1 .wrap .main .top {
  padding-bottom: 46px;
  border-bottom: 1px solid #E9E4E0;
  width: 1440px;
  margin: 0 auto;
}
.section1 .wrap .main .top .title {
  margin-bottom: 20px;
}
.section1 .wrap .main .top .title h3 {
  color: #37180E;
  font-size: 40px;
  line-height: 50px;
}
.section1 .wrap .main .top .time {
  color: #C2B6B3;
  font-size: 18px;
  line-height: 34px;
}
.section1 .wrap .main .bottom {
  padding: 40px 0 70px;
  border-bottom: 1px solid #E9E4E0;
  width: 1440px;
  margin: 0 auto;
}
.section1 .wrap .main .bottom h4 {
  font-size: #37180E;
  font-size: 24px;
  margin-bottom: 30px;
}
.section1 .wrap .main .bottom p {
  color: #37180E;
  font-size: 18px;
  line-height: 2;
  margin-bottom: 40px;
}
.section1 .wrap .main .bottom p span {
  font-weight: 700;
}
.section1 .wrap .main .tab {
  border-top: 1px solid #E9E4E0;
}
.section1 .wrap .main .tab .flex {
  display: flex;
  padding: 70px 0 130px;
  justify-content: space-between;
  width: 1440px;
  margin: 0 auto;
}
.section1 .wrap .main .tab .flex .next,
.section1 .wrap .main .tab .flex .prev {
  color: #37180E;
  font-size: 20px;
  width: 660px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.section1 .wrap .main .tab .flex .next a,
.section1 .wrap .main .tab .flex .prev a {
  color: #37180E;
  transition: all 0.6s;
}
.section1 .wrap .main .tab .flex .next a:hover,
.section1 .wrap .main .tab .flex .prev a:hover {
  color: #F36039;
}