body {
  font-family: 'PingFang SC';
  font-style: normal;
  color: #000;
  font-weight: 400;
  line-height: 1;
}

/* 顶部图 */
.top-banner {
  position: relative;
  width: 100%;
  color: #FFFFFF;
}
.top-banner .title {
  font-size: 54px;
  font-weight: 500;
  margin-bottom: 28px;
}
.top-banner .sub-title {
  font-size: 20px;
  margin-bottom: 70px;
}
.top-banner .banner-btn {
  width: 214px;
  height: 50px;
  background: #fff;
  border-radius: 25px;
  font-size: 18px;
  line-height: 50px;
  text-align: center;
  color: #0282FA;
}


.feature-ul .feature-li {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 700px;
}

.feature-li:nth-child(2) {
  background: #F6F9FF;
}

.feature-li:nth-child(4) {
  background: #F6F9FF;
}

.feature-li:nth-child(1) > .info {
  margin-right: 44px;
}

.feature-li:nth-child(2) > .info {
  margin-left: 44px;
}

.feature-li:nth-child(3) > .info {
  margin-right: 44px;
}

.feature-li:nth-child(4) > .info {
  margin-left: 44px;
}

.feature-ul .title {
  font-size: 30px;
  font-weight: 500;
  line-height: 40px;
  margin-bottom: 45px;
}

.feature-ul .sub-title {
  width: 420px;
  font-size: 18px;
  line-height: 28px;
}

.feature-ul .feature-img {
  width: 741px;
  height: auto;
}