body{
  /* font-family: PingFangSC-Semibold, PingFang SC; */
  margin: 0;
  padding: 0;
  background: #F2F9FF;
  position: relative;
}

.content{
background-color: #fff;
width: 1200px;
/* min-height: 778px; */
margin: auto;
}


.content .doc-content{
padding: 44px 32px;
font-size: 16px;
font-weight: 300;
color: #333333;
line-height: 28px;
}

.doc-content-title{
  width: 739px;
  font-size: 43px;
  /* font-family: PingFangSC-Semibold, PingFang SC; */
  font-weight: 600;
  color: #333333;
  line-height: 61px;
  margin: auto;
  text-align: center;
  margin-top: 71px;
  margin-bottom: 79px;
}

.mission-years{
  /* position: absolute;
  left: 0; */
  display: 'none';
width: 100%;
height: 930px;
padding-top: 75px;
background-image: url('../images/years-back.png');
background-repeat: no-repeat;
}

.mission-years .years-title,.months-content{
  width: 1200px;
  margin: auto;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

.mission-years .years-title{
  margin-bottom: 61px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -ms-flex-pack: distribute;
      justify-content: space-around;
}

.mission-years .years-title .iconfont{
  cursor: pointer;
}

.mission-years .years-title .years{
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  width: 1026px;
  overflow: hidden;
  font-size: 42px;
  font-weight: 600;
  color: #858585;
  line-height: 59px;
}
.mission-years .years-title .years div{
  margin-right: 102px;
  cursor: pointer;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  white-space: nowrap;
  -webkit-transition: -webkit-transform 1s;
  transition: -webkit-transform 1s;
  transition: transform 1s;
  transition: transform 1s, -webkit-transform 1s;
}

.mission-years .years-title .years div:last-child{
  margin-right: 0;
}

.mission-years .years-title .years .selected{
  color: #437EE9;
}
.mission-years .years-title .years .year{
  font-size: 19px;
  font-weight: 600;
  color: #C1C1C1;
  line-height: 26px;
  margin-left: 3px;
}
.mission-years .years-title .iconfont{
  font-size: 52px;
  color: #858585;
}

.mission-years .years-title .noused{
  color: rgba(133, 133, 133, 0.21);
}

.mission-years .years-title .right{
  -webkit-transform: scaleX(-1);
          transform: scaleX(-1);
}
.mission-years .months-content{
  height: 750px;
  overflow-y:auto;
  display: none;
}
.mission-years .months-content .month-content{
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-left: 50px;
}

.mission-years .months-content .month-content .month{
  font-size: 18px;
  font-weight: 600;
  color: #437EE9;
  line-height: 18px;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  margin-right: 31px;
  position: relative;
  top: 22px;
  -ms-flex-negative: 0;
      flex-shrink: 0;
}

.mission-years .months-content .month-content .month span{
  position: relative;
  top: 9px;
  width: 38px;
  white-space: nowrap;
}

.mission-years .months-content .month-content .month::before{
  content: '';
  display: block;
  width: 36px;
  height: 36px;
  background: #437EE9;
  -webkit-box-ordinal-group: 2;
      -ms-flex-order: 1;
          order: 1;
  z-index: 10;
  margin-left: 17px;
}

.mission-years .months-content .month-content .month::after{
  content: '';
  display: block;
  height: 100%;
  width: 1px;
  position: relative;
  -webkit-box-ordinal-group: 3;
      -ms-flex-order: 2;
          order: 2;
  background-color: #C1C1C1;
  right: 18px;
}

.mission-years .months-content .month-content .month-content-items{
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

.mission-years .months-content .month-content .month-content-items .item{
  background-color: #fff;
  padding: 28px 27px;
  margin-right: 51px;
  margin-bottom: 44px;
  font-size: 18px;
  font-weight: 400;
  color: #333333;
  width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}


.right-title {
  border-bottom:2px solid #C90;
  margin-bottom: 32px;
  height:64px;
  font-size: 24px;
  font-weight: 700;
}
.right-title span{
  padding: 20px 0 12px 24px;
  display: inline-block;
}
.right-title img{
  height:60px;
  display: inline-block;
  float: right;
  margin: 2px 24px;
}
html,body{
  height: 100%;
  overflow: auto;
}
.more_dialog{
  position: fixed;
  width: 100%;
  height: 100%;
  z-index: 99999;
  top: 0;
  background-color: rgba(51, 51, 51, 0.37);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
}

.more_dialog_content{
  max-width: 1061px;
  padding: 116px 68px;
  font-size: 18px;
  /* font-family: PingFangSC-Medium, PingFang SC; */
  font-weight: 500;
  color: #333333;
  line-height: 28px;
  background-color: #fff;
}
.vertical-content{
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  padding: 12px 16px;
  position: relative;
  min-height: 500px;
}

.vertical-content .left{
  width: 328px;
  /* margin-right: 22px; */
  font-size: 18px;
  font-weight: 400;
  color: #858585;
  line-height: 18px;
  max-height: 817px;
  overflow: auto;
  direction: rtl;
  cursor: pointer;
}

.vertical-content .left .selected{
  background: #437EE9;
  color: #fff;
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}

.vertical-content .left .selected::after{
  content: '';
  display: block;
  position: absolute;
  right: -35px;
  top: 11px;
  border: 18px solid transparent;
  border-left: 18px solid #437EE9;
}

.vertical-content .left span{
  display: block;
  width: 280px;
  height: 57px;
  position: relative;
  padding-left: 15px;
  line-height: 57px;
  background: #F6F6F6;
  border-bottom: 1px solid #E6E6E6;
  direction: ltr;
  margin-right: auto;
}

.vertical-content .right{
  -webkit-box-flex:1;
      -ms-flex:1;
          flex:1;
  border: 1px solid #C1C1C1;
  /* max-height: 800px; */
  height: 817px;
  overflow: auto;
  position: sticky;
  top: 0;
}

.vertical-content .right .right-content-item{
  display: none;
}

.content-details-padding{
  padding: 40px 32px;
}

.content-details-content{
  font-size: 16px;
 /* font-family: PingFangSC-Regular, PingFang SC; */
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  text-indent: 2em;
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
}

.content-details-content-article{
  -webkit-box-sizing: border-box;
          box-sizing: border-box;
  padding: 0 32px;
}

.content-details-content-article .title{
  font-size: 35px;
  font-weight: 600;
  color: #333333;
  line-height: 49px;
  margin-top: 29px;
  text-align: center;
}

.content-details-content-article .details{
  margin-top: 28px;
  font-size: 20px;
  font-weight: 400;
  color: #333333;
  line-height: 28px;
  text-indent: 2em;
}

