.banner {
  background: url('https://cdn.kuailework.com/images/officialWebsite/banner/banner_rcpz.png')
    no-repeat top center;
  height: 450px !important;
  background-repeat: no-repeat;
          background-position: center center;
          background-size: cover;
          margin-top: 60px;

}
.background {
  width: 382px;
height: 227px;
background: linear-gradient(134deg, #F5F5FF 0%, #E1FCFE 100%);
border-radius: 78px 14px 14px 14px;
}
.klwk-nav {
  /* background: #fff; */
}
.ban_img {
  width: 1200px;
  margin: 0 auto;
  overflow: hidden;
  flex-direction: column;
  display: flex;
  align-items: center;
  text-align: center;
}

.ban_tit {

  font-size: 60px;
  height: auto;
  line-height: 88px !important;
  margin-top: 142px !important;
}
.ban_sub_tit {
  font-size: 24px;
  height: auto;
  line-height: 32px !important;

  /* margin-top: 56px; */
}
.info {
  width: 1200px;
  margin: 0 auto;
  font-family: AlibabaPuHuiTi_3_55_SemiBold;
  font-size: 20px;
  margin-top: 120px;
  line-height: 38px;
}

/* 交互 */
.con {
    width: 1200px;
    margin: 0 auto;
    /* margin-top: 200px; */
}
.con h2 {
    display: inline-block;
    text-align: center;
    margin-top: 60px;
    margin-bottom: 40px;
    width: 100%;
    color: #333;
font-size:24px;
}
.hc_seedVerticalCollapse {
  display: flex;
}

.hc_seedVerticalCollapseCard {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 170px;
  height: 290px;
  transition: width 0.6s ease;
  border-radius: 8px;
  margin-right: 18px;
}

.hc_seedVerticalCollapseCard--open {
  width: 440px;
}

.hc_seedVerticalCollapseCard-wrapper {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 8px;
}

.hc_seedVerticalCollapseCard-collapseBg,
.hc_seedVerticalCollapseCard-expandBg {
  position: absolute;
  top: 0;
  left: 0;
  width: 440px;
  height: 290px;
  opacity: 1;
  background: #000;
  transition: opacity 0.6s ease;
}

.hc_seedVerticalCollapseCard-bannerBg,
.hc_seedVerticalCollapseCard-content,
.hc_seedVerticalCollapseCard-title {
  opacity: 0;
  transition: opacity 0.6s ease;
}

.hc_seedVerticalCollapseCard-title {
  position: relative;
  z-index: 1;
  /* margin: 36px 20px 10px; */
  color: #bbbfc4;
  font-size: 14px;
  line-height: 24px;
  font-weight: 300;
}
.text-nowrap {
  display: inline-block;

    font-size: 24px;
    margin-bottom: 26px;
}
.hc_seedVerticalCollapseCard-content {
  position: relative;
  width: 180px;
  z-index: 1;
  font-size: 24px;
  line-height: 1.5;
  color: #fff;
  margin: 50px 20px 0;
}

.hc_seedVerticalCollapseCard-banner {
  position: absolute;
  height: 86px;
  width: 100%;
  display: flex;
  align-items: center;
  padding: 18px;
  bottom: 0;
}

.hc_seedVerticalCollapseCard-icon {
  position: absolute;
  width: 50px;
  height: 50px;
  top: 18px;
  left: -46px;
  z-index: 1;
  opacity: 0;
  border-radius: 8px;
}

.hc_seedVerticalCollapseCard-name {
  position: absolute;
  left: 18px;
  top: 50%;
  min-width: 96px;
  transform: translateY(-50%);
  color: #fff;

  font-size: 16px;
  line-height: 22px;
  transition: color 0.6s ease, left 0.6s ease;
}
.hc_seedVerticalCollapseCard-name span {

    font-size: 36px;
}
.hc_seedVerticalCollapseCard--open .hc_seedVerticalCollapseCard-collapseBg {
  opacity: 0;
}

.hc_seedVerticalCollapseCard--open .hc_seedVerticalCollapseCard-title {
  opacity: 1;
}

.hc_seedVerticalCollapseCard--open .hc_seedVerticalCollapseCard-content {
  opacity: 1;
}

.hc_seedVerticalCollapseCard--open .hc_seedVerticalCollapseCard-icon {
  transition: opacity 0.36s ease 0.36s, left 0.6s ease;
  opacity: 1;
  left: 18px;
}

.hc_seedVerticalCollapseCard--open .hc_seedVerticalCollapseCard-name {
  color: #fff;
  left: 82px;
}

.hc_seedVerticalCollapseCard-wrapper img {
  width: 100%;
}

.hc_seedVerticalCollapseCard-title1 {
  font-size: 20px;
  margin-top: 20px;
}

.hc_seedVerticalCollapseCard-desc {
  font-size: 18px;
}

.mt-n1-8 {
  margin-top: -1.8rem;
}

.hc_seedVerticalCollapseCard--open .hc_seedVerticalCollapseCard-banner {
  display: none;
}

.chang {
  width: 440px;
}

.duan {
  width: 180px;
}

.container-box {
  transform-style: preserve-3d;
  perspective: 1000px;
  margin-bottom: 30px;
}

.advantage {
    display: flex;
    flex-direction: column;
    width: 1200px;
    margin: 0 auto;
    justify-items: center;
    text-align: center;
    margin-top: 60px;
    margin-bottom: 70px;
}
.advantage h2 {
font-size: 24px;
text-align: center;
}
.advantage p.title {
    font-size: 14px;
    text-align: center;
    margin-top: 20px;
    color: #333;
}
.advantage ul {
    display: flex;
    width: 100%;
    flex-direction: row;
    margin-top: 60px;
}
.advantage ul li {
    position: relative;
    width: 382px;
height: 227px;
    z-index: 0;
    border-radius: 78px 14px 14px 14px;
    margin-right: 26px;
    color: #fff;
}
.advantage ul li img {
    position: absolute;
    width: 120px;
    height: 114px;
    top: -35px;
    left: 18px;
    z-index: 0;
}
.advantage ul li div {
    position: absolute;
    z-index: 1;
    padding: 87px 40px;
}
.advantage ul li div p {
line-height: 24px;
    font-size: 16px;
    color: #666;
}
.advantage ul li div p:first-child {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
    margin-top: 8px;
}
.advantage ul li:nth-child(1){
background: linear-gradient(135deg, #F3F9FF 0%, #FFF4EF 100%);
}
.advantage ul li:nth-child(2){
background: linear-gradient(134deg, #F5F5FF 0%, #E1FCFE 100%);
  }
  .advantage ul li:nth-child(3){
background: linear-gradient(134deg, #F1FEFE 0%, #D7E9FF 100%);
    }