.banner {
  width: 100%;
  height: 750px;
  margin: 0 auto;
  position: relative;
  min-width: 1200px;
  background: linear-gradient(180deg, #222345 0%, #2e1f59 75%, #371d65 100%); }
  .banner .bd {
    max-width: 1920px;
    width: 100%;
    height: 750px;
    margin: 0 auto;
    background: url(../img/aboutBanner.png) center center no-repeat; }
    .banner .bd .title {
      width: 1200px;
      height: 160px;
      text-align: center;
      font-size: 50px;
      font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
      font-weight: normal;
      color: white;
      line-height: 80px;
      margin: 0 auto;
      padding-top: 147px; }

.about {
  width: 100%; }
  .about .title {
    text-align: center;
    height: 50px;
    font-size: 36px;
    font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #24292e;
    line-height: 50px;
    padding: 100px 0  60px 0; }
  .about .abbox {
    max-width: 1920px;
    width: 100%;
    min-width: 1200px;
    margin: 0 auto; }
    .about .abbox .lf {
      width: 60.41667%;
      background: url(../img/abbg1.png) center top no-repeat;
      height: 460px;
      float: left;
      background-size: auto 460px; }
      .about .abbox .lf .des {
        width: 578px;
        height: 262px;
        font-size: 24px;
        font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: white;
        line-height: 36px;
        margin-top: 112px;
        margin-right: 147px;
        float: right;
        position: relative; }
        .about .abbox .lf .des .yh {
          position: absolute;
          width: 120px;
          height: 147px;
          font-size: 120px;
          font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
          font-weight: normal;
          color: white;
          line-height: 147px;
          left: -142px;
          top: -26px; }
    .about .abbox .rf {
      width: 39.58333%;
      background: url(../img/abbg2.png) left top no-repeat;
      height: 460px;
      float: left;
      background-size: auto 460px; }

.Development {
  width: 100%;
  padding-bottom: 100px; }
  .Development .title {
    text-align: center;
    height: 50px;
    font-size: 36px;
    font-family: PingFangSC-Regular,PingFang SC;
    font-weight: 400;
    color: #24292e;
    line-height: 50px;
    padding-top: 100px; }
  .Development .timeLine {
    width: 1200px;
    margin: 0 auto;
    margin-top: 60px;
    position: relative;
    min-height: 1377px; }
    .Development .timeLine .line {
      width: 1px;
      height: 100%;
      position: absolute;
      left: 600px;
      top: 0;
      border-left: 1px solid #C0A173; }
    .Development .timeLine .time {
      width: 640px;
      position: absolute; }
      .Development .timeLine .time.time1 {
        top: 0; }
      .Development .timeLine .time.time2 {
        top: 147px; }
      .Development .timeLine .time.time3 {
        top: 400px; }
      .Development .timeLine .time.time4 {
        top: 5px; }
      .Development .timeLine .time.time5 {
        top: 125px; }
      .Development .timeLine .time.time6 {
        top: 345px; }
      .Development .timeLine .time.time7 {
        top: 45px; }
      .Development .timeLine .time.time8 {
        top: 205px; }
      .Development .timeLine .time.time9 {
        top: 455px; }
      .Development .timeLine .time.time10 {
        top: 655px; }
      .Development .timeLine .time.time11 {
        top: 855px; }
      .Development .timeLine .time.time12 {
        top: 1155px; }
      .Development .timeLine .time.tr {
        text-align: right;
        left: -40px; }
        .Development .timeLine .time.tr .tt {
          padding-right: 69px; }
        .Development .timeLine .time.tr .tt2 {
          padding-right: 69px; }
        .Development .timeLine .time.tr .des {
          padding-right: 69px; }
        .Development .timeLine .time.tr .img {
          margin-right: 69px; }
        .Development .timeLine .time.tr .cicsmall {
          right: -9px; }
      .Development .timeLine .time.tl {
        text-align: left;
        left: 600px; }
        .Development .timeLine .time.tl .tt {
          padding-left: 69px; }
        .Development .timeLine .time.tl .tt2 {
          padding-left: 69px; }
        .Development .timeLine .time.tl .des {
          padding-left: 69px; }
        .Development .timeLine .time.tl .img {
          margin-left: 69px; }
        .Development .timeLine .time.tl .cicsmall {
          left: -9px; }
      .Development .timeLine .time .cicbig {
        position: absolute;
        width: 122px;
        height: 122px;
        background: url(../img/circle1.png) center center no-repeat #Ffffff;
        border-radius: 50%;
        text-align: center;
        line-height: 122px;
        left: -61px;
        top: 0;
        font-size: 28px;
        font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
        font-weight: 500;
        color: white; }
      .Development .timeLine .time .cirover {
        position: absolute;
        width: 122px;
        height: 122px;
        background: url(../img/circle2.png) center center no-repeat #Ffffff;
        border-radius: 50%;
        text-align: center;
        line-height: 122px;
        left: -61px;
        top: 0;
        font-size: 28px;
        font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
        font-weight: 500;
        color: white; }
        .Development .timeLine .time .cirover .txt {
          width: 56px;
          height: 60px;
          font-size: 28px;
          font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
          font-weight: 500;
          color: white;
          line-height: 30px;
          margin: 31px auto; }
      .Development .timeLine .time .cicsmall {
        position: absolute;
        width: 18px;
        height: 18px;
        background: url(../img/circle_small.png) center center no-repeat #Ffffff;
        border-radius: 50%;
        top: 9px; }
      .Development .timeLine .time .tt {
        height: 40px;
        font-size: 28px;
        font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: #24292e;
        line-height: 40px;
        margin: 41px 0; }
      .Development .timeLine .time .tt2 {
        margin: 0;
        padding-left: 69px; }
      .Development .timeLine .time .des {
        height: 33px;
        font-size: 18px;
        font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
        font-weight: 400;
        color: #65696c;
        line-height: 25px; }
        .Development .timeLine .time .des span {
          color: #4DBC4B;
          font-size: 24px; }
      .Development .timeLine .time .img {
        width: 290px;
        height: 164px;
        border: 1px dashed #f2f2f2;
        padding: 2px;
        box-sizing: border-box;
        display: inline-block; }
        .Development .timeLine .time .img img {
          width: 286px;
          height: 160px; }

.mission {
  width: 100%;
  background: #FFFFFF;
  padding-bottom: 100px; }
  .mission .title {
    text-align: center;
    height: 50px;
    font-size: 36px;
    font-family: PingFangSC-Regular,PingFang SC;
    font-weight: 400;
    color: #24292e;
    line-height: 50px;
    padding: 100px 0 60px; }
  .mission .slideBox {
    width: 1200px;
    margin: 0 auto; }
    .mission .slideBox .fl {
      width: 230px; }
      .mission .slideBox .fl ul li {
        width: 230px;
        height: 140px;
        margin-bottom: 10px;
        position: relative; }
        .mission .slideBox .fl ul li .mask {
          width: 230px;
          height: 140px;
          background: rgba(0, 0, 0, 0.6);
          position: absolute;
          left: 0;
          top: 0;
          z-index: 2; }
        .mission .slideBox .fl ul li:last-child {
          margin-bottom: 0; }
        .mission .slideBox .fl ul li.active .mask {
          display: none; }
        .mission .slideBox .fl ul li img {
          width: 230px;
          height: 140px; }
    .mission .slideBox .fr {
      width: 950px;
      height: 590px; }
      .mission .slideBox .fr .bigimg {
        width: 950px;
        height: 590px;
        position: relative; }
        .mission .slideBox .fr .bigimg img {
          width: 950px;
          height: 590px; }
        .mission .slideBox .fr .bigimg .bot {
          width: 950px;
          height: 120px;
          background: linear-gradient(180deg, rgba(53, 58, 70, 0) 0%, rgba(53, 58, 70, 0.6) 100%);
          position: absolute;
          left: 0;
          bottom: 0; }
          .mission .slideBox .fr .bigimg .bot .tt {
            text-align: left;
            height: 50px;
            font-size: 36px;
            font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
            font-weight: 600;
            color: white;
            line-height: 50px;
            margin: 23px 0 0 40px; }
          .mission .slideBox .fr .bigimg .bot .des {
            text-align: left;
            height: 25px;
            font-size: 18px;
            font-family: PingFangSC-Regular,PingFang SC;
            font-weight: 400;
            color: white;
            line-height: 25px;
            margin: 0px 0 0 40px; }

.contact {
  width: 100%;
  padding-bottom: 82px; }
  .contact .title {
    text-align: center;
    height: 50px;
    font-size: 36px;
    font-family: microsoft yahei, PingFangSC-Regular, PingFang SC;
    font-weight: 400;
    color: #24292e;
    line-height: 50px;
    padding: 100px 0 60px; }
  .contact .contactBox {
    width: 1200px;
    margin: 0 auto; }
    .contact .contactBox .fl {
      width: 420px; }
      .contact .contactBox .fl .card {
        width: 420px;
        height: 260px;
        margin-bottom: 20px; }
    .contact .contactBox .fr {
      width: 748px;
      height: 520px;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0px 0px 10px 0px rgba(0, 0, 0, 0.2); }
      .contact .contactBox .fr #map {
        border-radius: 10px; }

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