.bg {
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.btncon {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  width: 100px;
  height: 36px;
  text-align: center;
  line-height: 36px;
  color: #fff;
  cursor: text;
}
.ab_banner {
  width: 100%;
  height: 800px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-image: url('../../img/about/BG.png');
  position: relative;
  margin: 0 auto;
}
.ab_banner::before {
  display: block;
  content: '';
  width: 100%;
  height: 100%;
  position: absolute;
  left: 0;
  top: 0;
  background: rgba(0, 0, 0, 0.15);
}
.ab_banner_con {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
}
.ab_banner_con h4 {
  font-size: 16px;
  color: #FFFFFF;
  letter-spacing: 80px;
  margin: 0 auto 30px;
  padding-top: 390px;
  text-align: center;
}
.ab_banner_con a.banner_btn {
  display: block;
  width: 100px;
  height: 34px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 100px;
  font-size: 12px;
  color: #FFFFFF;
  letter-spacing: 0;
  line-height: 32px;
  text-align: center;
  margin: 0 auto;
  -webkit-transition: all 0.3s ease 0s;
  -ms-transition: all 0.3s ease 0s;
  -o-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}
.ab_banner_con a.banner_btn:hover {
  border-color: #fff;
  background: #fff;
  color: #333;
}
.ab_wrap {
  width: 860px;
  margin: 0 auto;
}
.ab_wrap h2 {
  font-family: PingFangSC-Semibold;
  font-size: 36px;
  color: #4A4F57;
  letter-spacing: 0;
}
.ab_wrap p {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #666666;
  letter-spacing: 0;
  line-height: 34px;
  margin-top: 40px;
}
.ab_content1 {
  background: #fff;
  padding: 70px 0;
}
.ab_support {
  max-width: 1920px;
  height: 800px;
  padding-top: 100px;
  margin: 0 auto;
  position: relative;
  background: linear-gradient(-180deg, #f7f7f7, #f8fcfe);
}
.ab_support h6 {
  font-size: 12px;
  color: #999999;
  letter-spacing: 0;
  margin-top: 10px;
}
.ab_support .ab_support_bg {
  width: 1200px;
  height: 568px;
  position: absolute;
  left: 50%;
  bottom: -116px;
  margin-left: -600px;
}
.ab_support .ab_support_bg img {
  width: 100%;
  height: 100%;
}
.ab_support .wrap_btn {
  display: block;
  border: 1px solid #54B0E4;
  border-radius: 100px;
  width: 135px;
  height: 40px;
  font-family: PingFangSC-Medium;
  font-size: 12px;
  color: #54B0E4;
  letter-spacing: 0;
  line-height: 40px;
  text-align: center;
  margin-top: 20px;
  -webkit-transition: all 0.3s ease 0s;
  -ms-transition: all 0.3s ease 0s;
  -o-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}
.ab_support .wrap_btn:hover {
  background: #54B0E4;
  color: #fff;
}
.ab_partner {
  width: 100%;
  background: #fff;
  padding: 140px 0 216px;
}
.ab_partner .partner_title {
  width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: flex-start;
  justify-content: center;
}
.ab_partner .partner_title h2 {
  font-family: PingFangSC-Semibold;
  font-size: 36px;
  color: #4A4F57;
  letter-spacing: 0;
  line-height: 36px;
  display: inline-block;
  margin: 0 140px 0 120px;
}
.ab_partner .partner_title p {
  font-family: 'PingFangSC-Regular';
  font-size: 14px;
  color: #666666;
  letter-spacing: 0;
  line-height: 34px;
  display: inline-block;
  width: 638px;
}
.ab_partner ul {
  width: 1100px;
  margin: 20px auto 0;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  flex-wrap: wrap;
}
.ab_partner ul li {
  background: #F3F3F3;
  border-radius: 4px;
  width: 180px;
  height: 120px;
  display: inline-block;
  margin: 30px 20px 0;
  text-align: center;
}
.ab_partner ul li a {
  display: block;
  width: 100%;
  height: 100%;
  line-height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ab_partner ul li span {
  transform: rotate(90deg);
  color: #d3d3d3;
  font-size: 32px;
}
.ab_team_box {
  width: 100%;
  max-width: 1920px;
  height: 749px;
  margin: 0 auto;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  background-size: 100% 652px;
  background-image: url(../../img/about/BG2@1x.png);
  padding-top: 109px;
}
.ab_team_box .ab_team {
  width: 1280px;
  margin: 0 auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.ab_team_box .ab_team .team_img {
  width: 968px;
  height: 640px;
  margin-right: 40px;
}
.ab_team_box .ab_team .team_container {
  width: 272px;
}
.ab_team_box .ab_team .team_container h4 {
  font-family: PingFangSC-Semibold;
  font-size: 36px;
  color: #FFFFFF;
  letter-spacing: 0;
  line-height: 36px;
}
.ab_team_box .ab_team .team_container p {
  font-size: 14px;
  color: #FFFFFF;
  letter-spacing: 0;
  line-height: 34px;
  margin-top: 40px;
}
.ab_joinUs_box {
  width: 100%;
  color: #fff;
  margin-top: 176px;
  margin-bottom: 170px;
}
.ab_joinUs_box .ab_joinUs {
  width: 860px;
  margin: 0 auto;
  position: relative;
}
.ab_joinUs_box .ab_joinUs .joinUs_title {
  position: absolute;
  left: 0;
  top: -36px;
  width: 240px;
}
.ab_joinUs_box .ab_joinUs .joinUs_title h2 {
  font-family: PingFangSC-Semibold;
  font-size: 36px;
  color: #4A4F57;
  letter-spacing: 0;
  line-height: 36px;
}
.ab_joinUs_box .ab_joinUs .joinUs_title p {
  font-family: PingFangSC-Regular;
  font-size: 14px;
  color: #666666;
  letter-spacing: 0;
  line-height: 34px;
  margin-top: 40px;
}
.ab_joinUs_box .ab_joinUs .joinUs_title .wrap_btn {
  display: block;
  border: 1px solid #54B0E4;
  border-radius: 100px;
  width: 135px;
  height: 40px;
  font-family: PingFangSC-Medium;
  font-size: 12px;
  color: #54B0E4;
  letter-spacing: 0;
  line-height: 40px;
  text-align: center;
  margin-top: 20px;
  -webkit-transition: all 0.3s ease 0s;
  -ms-transition: all 0.3s ease 0s;
  -o-transition: all 0.3s ease 0s;
  transition: all 0.3s ease 0s;
}
.ab_joinUs_box .ab_joinUs .joinUs_title .wrap_btn:hover {
  background: #54B0E4;
  color: #fff;
}
.ab_joinUs_box ul {
  margin-right: -31px;
  display: flex;
  flex-direction: column;
  flex-wrap: wrap;
  height: 800px;
}
.ab_joinUs_box ul li {
  width: 266px;
  margin-right: 31px;
  margin-bottom: 30px;
  display: inline-block;
}
.ab_joinUs_box ul li:first-child {
  margin-top: 264px;
}
.cooperation {
  width: 1280px;
  margin: 120px auto 0;
}
.cooperation h2{
  font-size: 30px;
    font-family: 'PingFangSC-Regular';
    font-weight: 100;
    color: #373737;
}
.cooperation .items {
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  margin-top: 40px;
}
.cooperation .items ul.item {
  width: 200px;
  margin-right: 222px;
  border-bottom: none;
}
.cooperation .items ul.item li {
  margin-bottom: 27px;
}
.cooperation .items ul.item li a {
  font-size: 14px;
  color: #999;
  letter-spacing: 0;
  line-height: 14px;
  padding: 0;
  border: none;
}
.cooperation .items ul.item li.active a {
  font-weight: bold;
  color: #333;
}
.cooperation .items div.item {
  width: 860px;
}
.cooperation .items div.item h3 {
  font-family: '.PingFangSC-Medium';
  font-size: 16px;
  color: #333;
  letter-spacing: 0;
  line-height: 20px;
  margin-bottom: 20px;
}
.cooperation .items div.item p {
  font-family: '.PingFangSC-Light';
  font-size: 16px;
  color: #2A2A2A;
  letter-spacing: 0;
  line-height: 34px;
  margin-bottom: 20px;
}
.cooperation .items div.item p a.email {
  color: #2A2A2A;
}
.terms-wp {
  padding-top: 60px;
  display: flex;
  justify-content: space-between;
}
.terms-wp .terms-left {
  width: 270px;
}
.terms-wp .terms-left h2 {
  font-family: PingFangSC-Regular;
  font-size: 30px;
  color: #4A4F57;
  letter-spacing: 0;
  line-height: 42px;
}
.terms-wp .terms-right {
  width: 860px;
}
.terms-wp .terms-right p {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #666666;
  letter-spacing: 0;
  line-height: 26px;
  margin-bottom: 30px;
}
.terms-wp .terms-right h2 {
  font-family: PingFangSC-Regular;
  font-size: 16px;
  color: #4A4F57;
  letter-spacing: 0;
  line-height: 26px;
  margin-bottom: 30px;
  font-weight: bold;
}
img{
  width: 100%;
}