.open_plaform .des {
  width: 1200px;
  margin: 0 auto;
  padding: 75px 0 135px; }
  .open_plaform .des .title {
    font-size: 36px;
    color: #50d1d1;
    font-weight: bold;
    text-align: center;
    margin-bottom: 50px; }
  .open_plaform .des .content {
    position: relative; }
    .open_plaform .des .content .left {
      width: 785px; }
      .open_plaform .des .content .left .tit {
        padding: 10px 30px;
        position: relative;
        font-size: 36px;
        color: #373d41;
        font-weight: bold;
        margin-bottom: 40px; }
        .open_plaform .des .content .left .tit span {
          position: absolute;
          width: 10px;
          height: 38px;
          background: #50d1d1;
          left: 0;
          top: 18px; }
      .open_plaform .des .content .left p {
        font-size: 18px;
        color: #919497;
        line-height: 30px;
        padding-left: 30px; }
    .open_plaform .des .content img {
      position: absolute;
      right: 0;
      top: 0;
      bottom: 0;
      margin: 50px 90px 0 0; }
.open_plaform .top {
  width: 1200px;
  margin: 0 auto;
  padding-bottom: 120px; }
  .open_plaform .top .top_tit {
    padding: 10px 30px;
    position: relative;
    margin-bottom: 15px; }
    .open_plaform .top .top_tit .title {
      font-size: 36px;
      color: #373d41;
      font-weight: bold; }
    .open_plaform .top .top_tit .sub_title {
      font-size: 24px;
      color: #919497;
      line-height: 30px; }
    .open_plaform .top .top_tit span {
      position: absolute;
      width: 10px;
      height: 50px;
      background: #50d1d1;
      left: 0;
      top: 25px; }
  .open_plaform .top .content {
    margin-top: 120px; }
    .open_plaform .top .content li {
      float: left;
      width: 25%; }
      .open_plaform .top .content li img {
        margin: 0 auto; }
      .open_plaform .top .content li p {
        text-align: center;
        font-size: 21px;
        color: #373d41;
        font-weight: bold;
        margin-bottom: 15px; }
      .open_plaform .top .content li .last {
        width: 200px;
        margin: 0 auto;
        font-size: 13px;
        line-height: 28px;
        color: #999;
        letter-spacing: 1px; }
.open_plaform .center {
  background: #e0e9ee;
  padding-top: 30px;
  min-width: 1200px; }
  .open_plaform .center img {
    width: 840px;
    margin: 0 auto; }
.open_plaform .bottom {
  width: 1200px;
  margin: 0 auto;
  padding: 150px 0 60px; }
  .open_plaform .bottom .title {
    padding: 10px 30px;
    position: relative;
    font-size: 36px;
    color: #373d41;
    font-weight: bold;
    margin-bottom: 80px; }
    .open_plaform .bottom .title span {
      position: absolute;
      width: 10px;
      height: 38px;
      background: #50d1d1;
      left: 0;
      top: 18px; }
  .open_plaform .bottom .content li {
    float: left;
    width: 25%; }
    .open_plaform .bottom .content li dl {
      width: 250px;
      margin: 0 auto; }
      .open_plaform .bottom .content li dl img {
        margin: 0 auto; }
      .open_plaform .bottom .content li dl dd {
        color: #373d41; }
        .open_plaform .bottom .content li dl dd p:first-child {
          font-size: 21px;
          font-weight: bold;
          text-align: center;
          margin-bottom: 20px; }
        .open_plaform .bottom .content li dl dd p:last-child {
          font-size: 13px;
          line-height: 28px;
          color: #999;
          letter-spacing: 1px; }

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