.page {
  background-color: rgba(255, 255, 255, 1);
  position: relative;
  width: 100%;
  overflow: hidden;
}
/*封面与二级条开始*/
.cover {
  height: 800px;
  width: 100%;
  background-size: cover;
  background-position: center center;
}
.coverhalf1 {
  width: 100%;
  height: 96px;
  margin: 306px auto 0 auto;
}

.covertext {
  width: 100%;
  height: 96px;
}


.coverhalf2 {
  width: 2px;
  height: 40px;
  margin: 40px auto 248px auto;
}

.coverline {
  background-color: rgba(255, 255, 255, 1);
  width: 2px;
  height: 40px;
}

.group_3 {
  width: 100%;
  height: auto;
}

.column {
  width: auto;
  height: 86px;
  margin: 0 0 0 13.54%;
}

.text_colunmn{
  position: relative;
  width: auto;
  height: 100%;
  line-height: 86px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 18px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  margin-right: 3.61%;
  transition: all 0.2s ease-in-out;
}
.text_colunmn:hover{
  cursor: pointer;
}
.cselected{
  color: rgba(26, 178, 186, 1);
}
.columnline{
  position: absolute;
  width: 0;
  height: 4px;
  bottom: 0;
  background-color: rgba(26, 178, 186, 1);
  transition: all 0.2s ease-in-out;
}

.columnbottom {
  background-color: rgba(222, 222, 222, 1);
  height: 1px;
}
/*封面与二级条结束*/
a{
  text-decoration: none;
}
a:hover{
  text-decoration: none;
}


.block_1 {
  background-image: url(../img/knowhistory/b90171a83d744443b61cd22ead48aca6_mergeImage.png);
  height: 800px;
  width: 1920px;
}

.block_2 {
  width: 1760px;
  height: 38px;
  margin: 32px 0 0 80px;
}

.image_1 {
  width: 147px;
  height: 38px;
}

.text_1 {
  width: 32px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 290px;
}

.text_2 {
  width: 64px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 60px;
}

.text_3 {
  width: 112px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 60px;
}

.text_4 {
  width: 92px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 60px;
}

.text_5 {
  width: 96px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 60px;
}

.text_6 {
  width: 66px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 60px;
}

.text_7 {
  width: 64px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 60px;
}

.label_1 {
  width: 24px;
  height: 24px;
  margin: 6px 0 0 227px;
}

.text_8 {
  width: 85px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 16px;
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 71px;
}

.label_2 {
  width: 24px;
  height: 24px;
  margin: 6px 0 0 6px;
}

.text-wrapper_1 {
  width: 454px;
  height: 48px;
  margin: 306px 0 0 733px;
}

.text_9 {
  margin: auto;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(255, 255, 255, 1);
  font-size: 40px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: center;
  white-space: nowrap;
  line-height: 48px;
}

.block_3 {
  width: 2px;
  height: 40px;
  margin: 88px 0 248px 959px;
}

.block_4 {
  background-color: rgba(255, 255, 255, 1);
  width: 2px;
  height: 40px;
}

.block_5 {
  position: relative;
  width: 72.92%;
  height: 3652px;
  height: auto;
  margin:0 auto 0 auto;
}

.text-wrapper_2 {
  width: 420px;
  height: 26px;
  margin: 30px 0 0 260px;
}

.text_10 {
  width: 36px;
  height: 26px;
  overflow-wrap: break-word;
  color: rgba(26, 178, 186, 1);
  font-size: 18px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 26px;
}

.text_11 {
  width: 36px;
  height: 26px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 18px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 26px;
  margin-left: 60px;
}

.text_12 {
  width: 36px;
  height: 26px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 18px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 26px;
  margin-left: 60px;
}

.text_13 {
  width: 36px;
  height: 26px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 18px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 26px;
  margin-left: 60px;
}

.text_14 {
  width: 36px;
  height: 26px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 18px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 26px;
  margin-left: 60px;
}

.group_1 {
  background-color: rgba(222, 222, 222, 1);
  height: 1px;
  margin-top: 30px;
  width: 1920px;
}

.section_1 {
  background-color: rgba(26, 178, 186, 1);
  width: 36px;
  height: 4px;
  margin: -3px 0 0 260px;
}

.group_2 {
  width: 128px;
  height: 32px;
  margin: 87px 0 0 0;
}

.section_2 {
  background-color: rgba(26, 178, 186, 1);
  width: 60px;
  height: 6px;
  margin-top: 13px;
}

.text_15 {
  width: 48px;
  height: 32px;
  overflow-wrap: break-word;
  color: rgba(26, 178, 186, 1);
  font-size: 24px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 32px;
}

.text_16 {
  width: 360px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 40px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 48px;
  margin: 17px 0 0 0;
}

.text_17 {
  height: 60px;
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 18px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  line-height: 30px;
  margin: 60px 0 0 0;
}

.group_3 {
  height: 2640px;
  margin: 100px 0 0 0;
}

.box_1 {
  position: relative;
  width: 44.28%;
  height: 1798px;
}

.text_18 {
  position: absolute;
  right: 0;
  width: 469px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: right;
  white-space: nowrap;
  line-height: 200px;
}

.text-group_1 {
  width: 100%;
  height: 80px;
  position: absolute;
  top:418px;right: 0;
}

.text_19 {
  width: 100%;
  height: 32px;
  color: rgba(62, 58, 57, 1);
  font-size: 20px;
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: right;
  line-height: 32px;
}

.text_20 {
  width: 100%;
  height: 28px;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: right;
  line-height: 28px;
  margin-top: 20px;
}

.paragraph_1 {
  width: 479px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: right;
  line-height: 200px;
  position: absolute;
  top:558px;right: 0;
}
.paragraph_1-2 {
  position: absolute;
  right: 0;
  top: 1598px;
  width: 479px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: right;
  line-height: 200px;
}
.text_21 {
  height: 28px;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: right;
  line-height: 28px;
  position: absolute;
  top:976px;right: 0;
}

.text_22 {
  width: 488px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  font-weight: NaN;
  text-align: right;
  white-space: nowrap;
  line-height: 200px;
  position: absolute;
  top:1064px;right: 0;
}

.text_23 {
  width: 100%;
  height: 56px;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  text-align: right;
  line-height: 22px;
  position: absolute;
  top:1482px;right: 0;
}

.text_24 {
  width: 524px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  font-weight: NaN;
  text-align: right;
  white-space: nowrap;
  line-height: 200px;
  margin: 60px 0 0 96px;
}

.text_25 {
  position: absolute;
  right: 0;
  top: 0;
  width: 94px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(26, 178, 186, 1);
  font-size: 40px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: right;
  white-space: nowrap;
  line-height: 48px;
}

.text_26 {
  position: absolute;
  right: 0;
  top: 1064px;
  width: 98px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 40px;
  
  font-family: LINESeedSansApp-ExtraBold;
  font-weight: NaN;
  text-align: right;
  white-space: nowrap;
  line-height: 48px;
}

.text_27 {
  position: absolute;
  right: 0;
  top: 558px;
  width: 96px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 40px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: right;
  white-space: nowrap;
  line-height: 48px;
}

.text_28 {
  position: absolute;
  right: 0;
  top: 1598px;
  width: 96px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 40px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: right;
  white-space: nowrap;
  line-height: 48px;
}

.box_2 {
  background-color: rgba(222, 222, 222, 1);
  position: relative;
  width: 1px;
  height: 2042px;
  margin: 58px 5.71% 0 5.71%;
}

.block_6 {
  background-color: rgba(26, 178, 186, 1);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: -7px;
  width: 15px;
  height: 15px;
}
.block_l6{
  background-color: #DEDEDE;
  height: 1px;width: 180px;
  position: absolute;
  right: 0;top: 0;
}

.block_7 {
  background-color: rgba(62, 58, 57, 1);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: 738px;
  width: 15px;
  height: 15px;
}
.block_l7{
  background-color: #DEDEDE;
  height: 1px;width: 180px;
  position: absolute;
  left: 0;top: 745px;
}

.block_8 {
  background-color: rgba(62, 58, 57, 1);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: 170px;
  width: 15px;
  height: 15px;
}
.block_l8{
  background-color: #DEDEDE;
  height: 1px;width: 180px;
  position: absolute;
  left: 0;top: 177px;
}

.block_9 {
  background-color: rgba(62, 58, 57, 1);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: 1056px;
  width: 15px;
  height: 15px;
}
.block_l9{
  background-color: #DEDEDE;
  height: 1px;width: 180px;
  position: absolute;
  right: 0;top: 1063px;
}
.block_10 {
  background-color: rgba(62, 58, 57, 1);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: 551px;
  width: 15px;
  height: 15px;
}

.block_l10{
  background-color: #DEDEDE;
  height: 1px;width: 180px;
  position: absolute;
  right: 0;top: 558px;
}
.block_11 {
  background-color: rgba(62, 58, 57, 1);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: 1441px;
  width: 15px;
  height: 15px;
}
.block_l11{
  background-color: #DEDEDE;
  height: 1px;width: 180px;
  position: absolute;
  left: 0;top: 1448px;
}
.block_12 {
  background-color: rgba(62, 58, 57, 1);
  border-radius: 50%;
  position: absolute;
  left: -7px;
  top: 1599px;
  width: 15px;
  height: 15px;
}
.block_l12{
  background-color: #DEDEDE;
  height: 1px;width: 180px;
  position: absolute;
  right: 0;top: 1606px;
}
.box_3 {
  position: relative;
  width: 44.28%;
  margin: 179px 0 0 0;
}

.text_29 {
  width: 470px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 200px;
  position: absolute;
  top: 0;left: 0;
}

.text_30 {
  height: 28px;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  font-family: PingFangSC-Regular;
  text-align: left;
  line-height: 28px;
  position: absolute;
  top: 418px;left: 0;
}

.group_4 {
  background-color: rgba(222, 222, 222, 1);
  width: 699px;
  height: 1px;
  margin-top: 60px;
}

.text_31 {
  width: 481px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: left;
  white-space: nowrap;
  line-height: 200px;
  position: absolute;
  top: 566px;left: 0;
}

.text-group_2 {
  width: 100%;
  height: auto;
  position: absolute;
  top: 984px;left: 0;
}

.text_32 {
  width: 144px;
  height: 32px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 20px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  line-height: 32px;
}

.text_33 {
  height: 112px;
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  text-align: left;
  line-height: 28px;
  margin-top: 20px;
}

.group_5 {
  background-color: rgba(222, 222, 222, 1);
  width: 699px;
  height: 1px;
  margin-top: 60px;
}

.text_34 {
  width: 470px;
  height: 200px;
  overflow-wrap: break-word;
  color: rgba(245, 245, 245, 1);
  font-size: 200px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: left;
  white-space: nowrap;
  line-height: 200px;
  position: absolute;
  top: 1269px;left: 0;
}

.text-group_3 {
  width: 100%;
  position: absolute;
  top: 1687px;left: 0;
}

.text_35 {
  color: rgba(62, 58, 57, 1);
  font-size: 20px;
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  line-height: 32px;
}

.text_36 {
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  line-height: 28px;
  margin-top: 10px;
}

.text_37 {
  position: absolute;
  left: 0;
  top: 0;
  width: 94px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 40px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: left;
  white-space: nowrap;
  line-height: 48px;
}

.text_38 {
  position: absolute;
  left: 0px;
  top: 1269px;
  width: 94px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(26, 178, 186, 1);
  font-size: 40px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: left;
  white-space: nowrap;
  line-height: 48px;
}

.text_39 {
  position: absolute;
  left: 0;
  top: 566px;
  width: 96px;
  height: 48px;
  overflow-wrap: break-word;
  color: rgba(26, 178, 186, 1);
  font-size: 40px;
  
  font-family: LINESeedSansApp-ExtraBold;
  text-align: left;
  white-space: nowrap;
  line-height: 48px;
}

.text_40 {
  width: 620px;
  height: 84px;
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  text-align: right;
  line-height: 28px;
  position: absolute;
  right: 0;
  top: 2456px;
}

.group_6 {
  background-color: rgba(245, 245, 245, 1);
  height: 500px;
  width: 1920px;
  margin: 120px 0 1px 0;
}

.text-wrapper_3 {
  width: 1212px;
  height: 28px;
  margin: 100px 0 0 260px;
}

.text_41 {
  width: 80px;
  height: 28px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 20px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 28px;
}

.text_42 {
  width: 80px;
  height: 28px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 20px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 28px;
  margin-left: 220px;
}

.text_43 {
  width: 83px;
  height: 28px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 20px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 28px;
  margin-left: 220px;
}

.text_44 {
  width: 80px;
  height: 28px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 20px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 28px;
  margin-left: 220px;
}

.text_45 {
  width: 209px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 2px 0 0 20px;
}

.text-wrapper_4 {
  width: 1323px;
  height: 30px;
  margin: 34px 0 0 260px;
}

.text_46 {
  width: 32px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-top: 6px;
}

.text_47 {
  width: 129px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 268px;
}

.text_48 {
  width: 64px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin: 6px 0 0 171px;
}

.text_49 {
  width: 420px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 239px;
}

.text-wrapper_5 {
  width: 1241px;
  height: 24px;
  margin: 20px 0 0 260px;
}

.text_50 {
  width: 32px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
}

.text_51 {
  width: 186px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 268px;
}

.text_52 {
  width: 64px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 114px;
}

.text_53 {
  width: 338px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 239px;
}

.text-wrapper_6 {
  width: 1077px;
  height: 24px;
  margin: 20px 0 0 260px;
}

.text_54 {
  width: 32px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
}

.text_55 {
  width: 145px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 268px;
}

.text_56 {
  width: 174px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 458px;
}

.text-wrapper_7 {
  width: 1140px;
  height: 24px;
  margin: 20px 0 0 260px;
}

.text_57 {
  width: 32px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
}

.text_58 {
  width: 113px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 268px;
}

.text_59 {
  width: 237px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
  margin-left: 490px;
}

.text-wrapper_8 {
  width: 32px;
  height: 24px;
  margin: 20px 0 0 260px;
}

.text_60 {
  width: 32px;
  height: 24px;
  overflow-wrap: break-word;
  color: rgba(102, 102, 102, 1);
  font-size: 16px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 24px;
}

.box_4 {
  width: 88px;
  height: 22px;
  margin: 30px 0 80px 1746px;
}

.image-text_1 {
  width: 88px;
  height: 22px;
}

.text-group_4 {
  width: 56px;
  height: 22px;
  overflow-wrap: break-word;
  color: rgba(62, 58, 57, 1);
  font-size: 14px;
  
  font-family: PingFangSC-Medium;
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
  line-height: 22px;
}

.label_3 {
  width: 22px;
  height: 22px;
}

.group_7 {
  background-color: rgba(222, 222, 222, 1);
  position: absolute;
  left: 779px;
  top: 549px;
  width: 180px;
  height: 1px;
}

.group_8 {
  background-color: rgba(222, 222, 222, 1);
  position: absolute;
  left: 779px;
  top: 1613px;
  width: 180px;
  height: 1px;
}

.group_9 {
  background-color: rgba(222, 222, 222, 1);
  position: absolute;
  left: 960px;
  top: 728px;
  width: 180px;
  height: 1px;
}

.group_10 {
  background-color: rgba(222, 222, 222, 1);
  position: absolute;
  left: 960px;
  top: 1997px;
  width: 180px;
  height: 1px;
}

.group_11 {
  background-color: rgba(222, 222, 222, 1);
  position: absolute;
  left: 960px;
  top: 1294px;
  width: 180px;
  height: 1px;
}

.group_12 {
  background-color: rgba(222, 222, 222, 1);
  position: absolute;
  left: 779px;
  top: 2155px;
  width: 180px;
  height: 1px;
}

.group_13 {
  background-color: rgba(222, 222, 222, 1);
  position: absolute;
  left: 779px;
  top: 1107px;
  width: 180px;
  height: 1px;
}

.group_14 {
  background-image: url(../img/knowhistory/1fd2bbfed725472cb54eaaea39c2efc6_mergeImage.png);
  position: absolute;
  width: 500px;
  height: 300px;
  right: 0;
  top: 88px;
}

.group_15 {
  background-image: url(../img/knowhistory/018301be4dfa4c12b77cfb2473542be1_mergeImage.png);
  position: absolute;
  right: 0;
  top: 1152px;
  width: 500px;
  height: 300px;
}

.group_16 {
  background-image: url(../img/knowhistory/9d57d98c65ae4e7fadc851e0f1d48383_mergeImage.png);
  position: absolute;
  top: 654px;left: 0;
  width: 500px;
  height: 300px;
}

.group_17 {
  background-image: url(../img/knowhistory/c4eba979e86c48dba435f54d95b2d580_mergeImage.png);
  position: absolute;
  right: 0;
  top: 646px;
  width: 500px;
  height: 300px;
}

.group_18 {
  background-image: url(../img/knowhistory/55a465c0f7d94ac89922147e6ff636f8_mergeImage.png);
  position: absolute;
  top: 88px;left: 0;
  width: 500px;
  height: 300px;
}

.group_19 {
  background-image: url(../img/knowhistory/f84cff7f8de046409635250959a45ed2_mergeImage.png);
  position: absolute;
  top: 1357px;left: 0;
  width: 500px;
  height: 300px;
}

.group_20 {
  background-image: url(../img/knowhistory/7d1dd70ac1ed4e09b19914577b7f08a2_mergeImage.png);
  position: absolute;
  right: 0;
  top: 1686px;
  width: 500px;
  height: 740px;
}

.block_13 {
  background-color: rgba(36, 36, 36, 1);
  width: 1920px;
  height: 200px;
  margin-top: -1px;
}

.group_21 {
  width: 502px;
  height: 60px;
  margin: 80px 0 0 260px;
}

.box_5 {
  width: 250px;
  height: 22px;
}

.text_61 {
  width: 56px;
  height: 22px;
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 14px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 22px;
}

.group_22 {
  background-color: rgba(153, 153, 153, 1);
  width: 1px;
  height: 14px;
  margin: 4px 0 0 20px;
}

.text_62 {
  width: 56px;
  height: 22px;
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 14px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 22px;
  margin-left: 20px;
}

.group_23 {
  background-color: rgba(153, 153, 153, 1);
  width: 1px;
  height: 14px;
  margin: 4px 0 0 20px;
}

.text_63 {
  width: 56px;
  height: 22px;
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 14px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 22px;
  margin-left: 20px;
}

.text_64 {
  width: 502px;
  height: 22px;
  overflow-wrap: break-word;
  color: rgba(153, 153, 153, 1);
  font-size: 14px;
  
  font-family: PingFangSC-Regular;
  font-weight: NaN;
  text-align: left;
  white-space: nowrap;
  line-height: 22px;
  margin-top: 16px;
}

.image_2 {
  width: 178px;
  height: 46px;
  margin: 80px 260px 0 0;
}

@media screen and (max-width:1120px) {
  .block_5{margin: 0;width: 100%}
  .group_2{margin-top: 60px}
  .section_2{height: 4px}
  .text_15{height: 30px;font-size: 20px}
  .text_16{width: 100%;font-size: 30px;height: 36px;line-height: 36px;margin:22px 0 }
  .text_17{width: auto;height: auto;margin-top: 30px}
  .group_2, .text_16, .text_17{margin-left: 13.54%;margin-right: 13.54%}
  .group_3{width: 100%;height: 2400px}
  .group_14, .group_17,.group_15,.group_18,.group_16,.group_19{width: 100%;height: 100px;background-size: cover;background-position: center center;}
  .group_20{width: 100%;height: 300px;background-size: cover;background-position: center center;}
  .text_40{width: 100%;height: auto;top:2016px}
  .text_19, .text_32, .text_35{font-size: 16px;line-height: 22px;}
  .text_20, .text_30, .text_21, .text_23, .text_33, .text_36, .text_40{font-size: 14px;line-height: 20px;}
}