.banner img {
  min-width: 1300px;
  width: 100%;
  display: block;
}

.main {
  min-width: 1300px;
}

.main .layout {
  width: 1200px;
}

.LineHide {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}

.clearfix:after {
  content: "";
  clear: both;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  display: block;
}

.clearfix {
  zoom: 1;
}

header {
  /* position: static; */
}

.head_diagram {
  padding-top: 100px;
}

.head_diagram .layout {
  width: 1200px;
  margin: 0 auto;
  position: relative;
}

.introduction-wrapper {
  width: 100%;
  background: url(../images/about-backdrop.png) no-repeat center top / cover;
  overflow: hidden;
  min-width: 1200px;
  position: relative;
}

.introduction-wrapper .introduction-bk {
  width: 605px;
  height: 414px;
  background: url(../images/about_bk.png) no-repeat center top / cover;
  position: absolute;
  top: 0;
}

.introduction-wrapper .introduction-bk1 {
  width: 413px;
  height: 992px;
  background: url(../images/about_bk1.png) no-repeat center top / cover;
  position: absolute;
  top: 0;
  right: 0;
}

.title {
  text-align: center;
  margin-top: 150px;
}

.title h3 {
  font-size: 50px;
  font-weight: 600;
  color: #333333;
}

.title p {
  padding-top: 8px;
  font-size: 20px;
  font-weight: 400;
  color: #666666;
}

.title_bar {
  display: flex;
  align-items: center;
  margin-top: 80px;
  padding-left: 24px;
}

.title_bar span {
  font-size: 32px;
  font-weight: 500;
  color: #333333;
}

.title_bar img {
  width: 25px;
  height: 27px;
  display: block;
  margin-left: 6px;
}

.introduction-wrap {
  display: flex;
  align-items: center;
}

.introduction_left {
  width: 760px;
}

.introduction_right {
  margin-left: 56px;
  text-align: center;
}

.introduction_right img {
  width: 227px;
  height: 251px;
  display: block;
  margin: 0 auto;
}

.introduction_right small {
  font-size: 20px;
  font-weight: 500;
  color: #3B70FF;
  display: block;
}

.introduction_right span {
  font-size: 12px;
  font-weight: 400;
  color: #3B70FF;
}

.introduction-bk2 {
  width: 100%;
  height: 684px;
  background: url(../images/about_bk2.png) no-repeat center top;
  background-size: 1200px;
  border: 2px solid #fff;
  border-radius: 20px;
  box-shadow: 2px 2px 10px #E8ECFF;
  margin-top: 80px;
  overflow: hidden;
  padding: 30px 0 0 30px;
}

.introduction-bk2 .flag img {
  width: 72px;
  height: 60px;
  display: block;
}

.introduction-bk2 p {
  font-size: 20px;
  font-weight: 400;
  color: #333333;
  line-height: 30px;
  text-indent: 2rem;
  margin-top: -20px;
  margin-bottom: 13px;
  text-align: justify;
}

.part2 {
  width: 100%;
  height: 206px;
  background: url(../images/about_bk3.png) no-repeat center top / cover;
  overflow: hidden;
  min-width: 1200px;
  margin-top: 80px;
}

.part2 .part2_container ul {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 206px;
}

.part2 .part2_container ul li {
  text-align: center;
}

.part2 .part2_container ul p {
  font-size: 48px;
  font-family: PingFang SC-Medium, PingFang SC;
  font-weight: 500;
  color: #FFFFFF;
}

.part2 .part2_container ul span {
  font-size: 18px;
  font-weight: 400;
  color: #FFFFFF;
  display: block;
  padding-top: 8px;
}

.part3 .title_bar{
  padding-left: 0;
}

.columnHeaderSwitch .pt3_left {
  float: left;
}

.columnHeaderSwitch .pt3_left ul {
  margin-top: 60px;
  margin-bottom: 80px;
}

.columnHeaderSwitch .pt3_left ul li {
  width: 444px;
  height: 97px;
  background: url(../images/about-img0.png) no-repeat center top / cover;
  overflow: hidden;
  display: flex;
  display: -webkit-flex;
  align-items: center;
  padding-left: 27px;
  cursor: pointer;
  margin-bottom: 24px;
  box-shadow: 0 4px 14px rgba(56, 88, 173, 0.12);
  border-radius: 12px;
  border: 2px solid #fff;
}

.columnHeaderSwitch .pt3_left ul li i {
  font-size: 70px;
  font-weight: bold;
  color: rgba(22, 119, 253, 0.14);
  display: block;
  padding-right: 38px;
}

.columnHeaderSwitch .pt3_left ul li span {
  font-size: 28px;
  font-weight: 500;
  color: #333333;
}

.columnHeaderSwitch .pt3_left ul .pt3_active {
  width: 444px;
  height: 97px;
  background: url(../images/about-img1.png) no-repeat center top / cover;
  box-shadow: 0 2px 20px rgba(0, 60, 222, 0.5);
}

.columnHeaderSwitch .pt3_left ul .pt3_active i {
  color: rgba(255, 255, 255, 0.5);
}

.columnHeaderSwitch .pt3_left ul .pt3_active span {
  color: #FFFFFF;
}

.columnHeaderSwitch .pt3_right {
  float: right;
  margin-top: 60px;
}

.columnHeaderSwitch .pt3_right .pt3_bck1 {
  width: 669px;
  height: 459px;
  overflow: hidden;
  background: url(../images/about-img2.png) no-repeat center top / cover;
  padding: 0 49px 0 51px;
}

.columnHeaderSwitch .pt3_right .pt3_bck1 p {
  font-size: 16px;
  font-weight: 400;
  color: #666666;
  line-height: 30px;
  letter-spacing: 1px;
  padding-top: 34px;
}

.columnHeaderSwitch .pt3_right .pt3_box {
  width: 190px;
  height: 62px;
  background: #FFFFFF;
  box-shadow: 3px 4px 12px 0px rgba(124, 179, 255, 0.4);
  border-radius: 10px 10px 10px 10px;
  font-size: 24px;
  font-weight: 500;
  color: #1677FF;
  line-height: 62px;
  text-align: center;
  margin-top: 52px;
}

.columnHeaderSwitch .pt3_right .column-content {
  display: none;
}

.part4 {
  width: 100%;
  /* height: 680px; */
  overflow: hidden;
  background: url(../images/about_bk5.png) no-repeat center top / cover;
  min-width: 1200px;
  padding-bottom: 77px;
}

.part4 .layout {
  width: 1200px;
}

.part4 .pt4-wrap {
  width: 1200px;
  height: 375px;
  background: url(../images/about_bk6.png) no-repeat center top;
  background-size: 1200px;
  padding: 42px 0 0 65px;
  /* padding-left: 54px;
  padding-top: 53px; */
  box-shadow: -8px -8px 20px #fbfcff, 6px 7px 24px #d1e1ff;
  border-radius: 20px;
  margin-top: 40px;
  margin-left: 20px;
  overflow: hidden;
  border: 2px solid #fff;
}

.part5 {
  width: 100%;
  height: 206px;
  background: url(../images/about_bk4.png) no-repeat center top / cover;
  overflow: hidden;
}

.part5 .t1 {
  padding: 43px 63px;
}

.part5 p {
  font-size: 16px;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 30px;
}

.patr7 {
  width: 100%;
  height: 846px;
  background: url(../images/about_bk7.png) no-repeat center top / cover;
  overflow: hidden;
  margin-top: 80px;
  min-width: 1200px;
}

.patr7 .pt7-bk {
  width: 1262px;
  height: 615px;
  background: url(../images/about_bk8.png) no-repeat center top / cover;
  overflow: hidden;
  margin-top: 91px;
}

.patr7 .pt7_left {
  width: 200px;
  float: left;
  margin-left: 50px;
  position: relative;
}

.patr7 .pt7_left .line4 {
  width: 2px;
  height: 497px;
  position: absolute;
  top: 44px;
  left: 194px;
  border: 1px dashed #8f8f8f;
}

.patr7 .pt7_left ul {
  padding-top: 71px;
}

.patr7 .pt7_left ul li {
  margin-bottom: 40px;
  cursor: pointer;
}

.patr7 .pt7_left ul li span {
  font-size: 20px;
  font-weight: 500;
  color: #333333;
}

.patr7 .pt7_active span {
  font-size: 20px !important;
  font-weight: 500 !important;
  color: #3B70FF !important;
}

.patr7 .pt7-right {
  width: 947px;
  float: left;
  padding-top: 44px;
  padding-left: 46px;
}

.patr7 .pt7-right .pt7-top {
  margin-top: 40px;
}

.patr7 .pt7-right h3 {
  font-size: 28px;
  font-weight: 500;
  color: #333333;
}

.patr7 .pt7-right span {
  font-size: 18px;
  font-weight: 500;
  color: #333333;
  display: inline-block;
  padding-top: 18px;

}

.patr7 .pt7-right .stit {
  height: 66px;
}

.patr7 .pt7-right .pt7-text {
  display: flex;
  display: -webkit-flex;
  align-items: baseline;
}

.patr7 .pt7-right .pt7-text img {
  width: 15px;
  height: 15px;
  display: block;
  margin-right: 12px;
}

.patr7 .pt7-right .pt7-text p {
  width: 915px;
  font-size: 16px;
  font-weight: 500;
  color: #666666;
  line-height: 25px;
  padding-top: 12px;
}

.patr7 .pt7-right .pt7-text a {
  font-size: 16px;
  font-weight: 500;
  color: #666;
  display: inline-block;
}

.patr7 .pt7-right .column-content {
  display: none;
}