.banner_nav {
  max-width: 1920px;
  min-width: 1200px;
  height: 82px;
  margin: 0 auto;
  background: url(../images/banner.png) no-repeat top center / 1920px 675px;
}
.banner_nav .nav {
  padding-top: 30px;
  display: flex;
  align-items: center;
}
.banner_nav .nav h1 {
  margin-right: 60px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: bold;
  font-size: 22px;
  color: #FFFFFF;
}
.banner_nav .nav ul {
  display: flex;
}
.banner_nav .nav ul li {
  position: relative;
  margin: 0 20px;
}
.banner_nav .nav ul li a {
  display: block;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 16px;
  color: #FFFFFF !important;
}
.banner_nav .nav ul .on::after {
  content: "";
  display: block;
  width: 30px;
  height: 2px;
  border-radius: 5px;
  background-color: #fff;
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
}
.banner_nav .more {
  margin-top: 356px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 154px;
  height: 49px;
  background: #EBEDFB;
  border-radius: 25px 25px 25px 25px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 500;
  font-size: 18px;
  color: #2652CA !important;
}
.banner_nav .more img {
  position: relative;
  left: 4px;
  margin-left: 4px;
  display: block;
  width: 20px;
  height: 17px;
  -webkit-animation: slide-arrow-data-v-685bef5c 0.7s ease-in-out infinite;
  animation: slide-arrow-data-v-685bef5c 0.7s ease-in-out infinite;
}
.headline {
  margin-bottom: 38px;
}
.headline h1 {
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: 400;
  font-size: 32px;
  color: #333333;
  text-align: center;
}
.headline h2 {
  margin-top: 40px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: bold;
  font-size: 20px;
  color: #3154C3;
  text-align: center;
}
.headline h3 {
  margin-top: 30px;
  font-family: SourceHanSansCN, SourceHanSansCN;
  font-weight: bold;
  font-size: 16px;
  color: #333333;
  line-height: 28px;
  text-align: center;
}
.content {
  padding: 40px 0;
}