/* 大屏幕 */
@media screen and (min-width: 980px) and (max-width: 1127px) {
  html {
    font-size: 100px;
  }
  body {
    font-size: 16px;
  }
  
  .header .logo {
    color: #256BF7;
    padding-left: 48px;
    margin-top: 155px;
    width: 150px;
  }

  .header .slogan {
    padding-left: 48px;
    font-size: 48px;
  }
 

  .header .publicity {
    position: absolute;
    right: 48px;
    bottom: 48px;
    width: 55vw;
  }

  .header .publicity_video_playButton {
    left: 16px;
    bottom: 17px;
    width: 5.42vw;
    height: 5.42vw;
    cursor: pointer;
  }

  .header .publicity_video_playButton:hover {
    background-color: #eee;
  }

  .header .download {
    padding-left: 48px;
    margin-top: 43px;
    padding-bottom: 48px;
  }

  .header .download_ios, .download_google  {
    display: inline-block;
    width: 162px;
    height: 62px;
  }

  .header .download_google {
    margin-left: 16px;
  }
}

@media screen and (min-width: 769px) and (max-width: 979px) {
  html {
    font-size: 100px;
  }
  body {
    font-size: 16px;
  }

  .header .logo {
    color: #256BF7;
    padding-left: 48px;
    margin-top: 60px;
    width: 150px;
  }

  .header .slogan {
    padding-left: 48px;
    font-size: 48px;
  }
 

  .header .publicity {
    position: absolute;
    right: 48px;
    bottom: 48px;
    width: 42.11vw;
  }

  .header .publicity_video_playButton {
    left: 16px;
    bottom: 17px;
    width: 5.42vw;
    height: 5.42vw;
    cursor: pointer;
  }

  .header .publicity_video_playButton:hover {
    background-color: #eee;
  }

  .header .download {
    padding-left: 48px;
    margin-top: 43px;
    padding-bottom: 48px;
  }

  .header .download_ios, .download_google  {
    display: inline-block;
    width: 162px;
    height: 62px;
  }

  .header .download_google {
    margin-left: 16px;
  }

}