body{
    background: #F7F7F9;
}
.brand-section {
  position: relative;
  padding: 80px 20px;
  color: #fff;
  width: 100%;
  height: 80vh;
}
.section-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  width: 100%;
  height: 100%;
  background-size: 100% 100%;
}
.section-content{
  width: 100%;
}
.section-container{
  width: 1400px;
  margin: 0 auto;
  padding: 4vh 0 0 0;
}
.container-name{
  font-size: 36px;
  font-weight: bold;
  margin-bottom: 30px;
  color: #2A4365;
  text-align: center;
}
.content-body{
  font-size: 24px;
  color: #444444;
  text-align: center;
  font-weight: 300;
}
.section-ul{
  width: 1400px;
  height: 300px;
  margin: 30px auto 0 auto;
}
.swiper-wrapper {
  display: flex;
  align-items: stretch;
}
.section-li{
  padding: 40px;
  background: #FFFFFF;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: all 0.3s ease;
}
.section-li,
.section-li a {
  text-decoration: none;
  color: inherit;   /* 继承文字颜色 */
}
.section-li:visited,
.section-li:hover,
.section-li:active {
  text-decoration: none;
  color: inherit;
}
.li-name{
  font-weight: 400;
  font-size: 24px;
  color: #3357D2;
  text-shadow: 0px 5px 5px rgba(0,0,0,0.2);
}
.li-title{
  font-weight: 500;
  font-size: 16px;
  color: #FFE04B;
  margin-top: 30px;
  min-height: 20px;
}
.li-desc{
  margin: 30px 0 15px 0;
  font-weight: 300;
  color: #333333;
  font-size: 18px;
}
.section-li:hover{
  background: linear-gradient( 270deg, #DE852D 0%, #EACD45 99%);
}
.section-li:hover .li-name{
  color: #FFFFFF;
  text-shadow: 0px 5px 5px rgba(0,0,0,0.2);
}
.section-li:hover .li-desc{
  font-weight: 300;
  color: #FFFFFF;
}
.section-swiper {
  width: 1400px;
  margin: 100px auto 0 auto;
  position: relative;
}
.swiper-slide.section-li {
  max-width: 33.333%;
  height: auto;
  box-sizing: border-box;
  padding: 30px;
  text-align: center;
}
.swiper-slide.section-li  .li-link{
  display: block;
  width: 100%;
  height: 100%;
}
.li-children{
  width: 100%;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 30px;
  position: relative;
}
.children-link{
  width: 48%;
  font-size: 18px;
  color: #333333;
  position: relative;
  text-align: center;
}
.section-li:hover .children-link{
  color: #FFFFFF;
}
.section-li:hover .children-link:hover {
  color: #172B84;
}
.children-link:nth-child(n+3) {
  margin-top: 30px;
}

.children-link:nth-child(odd)::after {
  content: "";
  position: absolute;
  right: -5%;
  top: 0;
  bottom: 0;
  width: 1px;
  background-color: #333333;
}
.section-li:hover .children-link:nth-child(odd)::after {
  background-color: #FFFFFF;
}