.why {
  background: #fff;
  padding-top: 1px;
  padding-bottom: 80px;
}
.why .content {
  width: 1440px;
  display: flex;
  margin: 0 auto;
}
.why .content > div {
  flex: 1;
  border: 1px solid #e6e8f5;
  width: 453px;
  height: 256px;
  padding: 30px 40px;
}
.why .content > div div {
  font-size: 18px;
  color: #26345C;
  margin-bottom: 10px;
}
.why .content > div img {
  display: block;
  width: 60px;
  margin-bottom: 30px;
}
.why .content > div p {
  color: #7887AB;
}
.why .content > div + div {
  margin-left: 40px;
}
.explore {
  background: #F4F7FC;
  padding-top: 1px;
  padding-bottom: 60px;
}
.explore > p {
  width: 1440px;
  margin: 0 auto 60px;
  line-height: 24px;
}
.explore > p span {
  color: #7f95d1;
}
.explore ul {
  background: #fff;
  width: 1440px;
  margin: 0 auto;
}
.explore ul li {
  height: 90px;
  overflow: hidden;
  transition: height 0.7s;
  padding: 0 60px 60px 60px;
}
.explore ul li .tit {
  height: 89px;
  line-height: 89px;
  font-size: 18px;
  position: relative;
}
.explore ul li .tit span {
  cursor: pointer;
  position: absolute;
  right: 0;
  top: 33px;
  color: #4285F4;
  width: 125px;
  height: 34px;
  border: 1px solid #4285f4;
  text-align: center;
  line-height: 32px;
  transition: all 0.2s;
  font-size: 14px;
}
.explore ul li .tit span:hover {
  background: #4285F4;
  color: #fff;
}
.explore ul li .detail {
  margin-top: 25px;
  display: flex;
}
.explore ul li .detail > div {
  flex: 1;
}
.explore ul li .detail > div .top {
  font-size: 16px;
  margin-bottom: 20px;
}
.explore ul li .detail > div .con {
  line-height: 22px;
  white-space: pre-line;
}
.explore ul li .detail > div + div {
  margin-left: 70px;
}
.explore ul li + li {
  border-top: 1px #E6E8F5 solid;
}
.title {
  margin: 80px auto 60px;
  text-align: center;
  font-size: 30px;
}
.banner {
  height: 390px;
  background: url('../images/product/banner@2x.png') no-repeat;
  background-size: 100% 100%;
  width: 100%;
  background-position: center center;
}
.banner > div {
  width: 1440px;
  margin: 70px auto 0;
  padding-left: 60px;
}
.banner > div div {
  font-size: 30px;
  color: #fff;
}
.banner > div p {
  margin-top: 40px;
  width: 870px;
  line-height: 200%;
  color: #fff;
}