/* PC端样式 */
        .mobile_content { display: none; }
             .pc_content { display: block; }
             
             /* 移动端样式 - 屏幕宽度小于768px时 */
             @media (max-width: 767px) {
                html{
         font-size: 39px;
        }
                 .mobile_content { display: block; }
                 .pc_content { display: none; }
             }

 .about-3-content1 {
      width: 100%;
      max-width: 1400px;
      margin: auto;
      overflow: hidden;
  }
  .about-3-content-4 {
      margin: auto;
      margin-top: 35px;
      width: 100%;
      max-width: 1400px;
  }
  .ti_tit1 {
      margin-top: 85px!important;
      color: #333;
      font-weight: 700!important;
      font-style: normal!important;
      font-size: 28px!important;
  }
  .about-3-content-4>p:first-child {
      text-align: center;
  }
  .about-3-content-4-m {
      position: relative;
      width: 100%;
      max-width: 1400px;
  }
  .about-3-content-4-m-g {
      display: grid;
      margin-top: 50px;
      width: 100%;
      max-width: 1400px;
  }
  .about-3-content-4-m-g div {
      width: 100%;
      border: 1px solid #c8c8c8;
  }
  .first-1p, .first-2p, .first-3p {
      padding-left: 15px;
      width: 330px;
      height: 70px;
      background-color: #38a5a2;
      color: #fff;
      font-weight: 700;
      font-size: 24px;
      line-height: 70px;
    letter-spacing:1px;
  }
  
  .first-1p, .first-2p, .first-3p {
      margin: auto;
      text-align: center;
  }
  .second-p {
      padding-top: 30px;
      padding-right: 25px;
      padding-left: 20px;
      padding-bottom: 20px;
      color: #333;
      letter-spacing: 0;
      font-size: 22px;
      line-height: 50px;
  }
  .about-3-jiantou3 {
      float: left;
      border: 0!important;
      text-align: center;
      margin: 20px 0;
  }
  .about-3-content-4-m-g div {
      width: 100%;
      border: 1px solid #c8c8c8;
  }
  img {
      border: 0;
  }
  
  .first-2p {
      background-color: #bb7b6a;
  }
  .first-3p {
      background-color: #94b3c8;
  }
  @media screen and (max-width: 480px) {
    .first-1p, .first-2p, .first-3p {
      height: 40px;
      line-height: 40px;
  }
  .ti_tit1 {
      margin-top: 0!important;
  }
    .about-3-content1 {
      position: relative;
      padding: 0 2%;
      width: 100%;
      margin-bottom: 30px;
  }
  .about-3-content-4 {
      margin: auto;
      margin-top: 0;
      width: 100%;
  }
  .about-3-content-4>p:first-child {
      text-align: center;
      font-weight: 700!important;
      font-size: .5314rem!important;
  }
  .about-3-content-4-m {
      position: relative;
      width: 100%;
  }
  .about-3-content-4-m-g {
      margin-top: .8454rem;
      width: 100%;
  }
  .about-3-content-4-m-g {
      margin-top: 0;
  }
  .about-3-content-4-m-g div p {
      margin: auto;
      width: 100%;
  }
  .about-3-content-4-m-g div p:first-child {
      font-weight: 700;
      font-size: .4831rem;
  }
  .about-3-content-4-m-g div p {
      margin: auto;
      width: 100%;
  }
  .about-3-content-4-m-g div p:last-child {
      padding-top: .5314rem;
      border-top: .0242rem solid rgba(255,255,255,.6);
      font-size: .3865rem;
      line-height: .7246rem;
  }
  
  }