* {
      box-sizing: border-box;
  }

  body {
      margin: 0;
  }

  * {
      box-sizing: border-box;
  }

  body {
      margin-top: 0px;
      margin-right: 0px;
      margin-bottom: 0px;
      margin-left: 0px;
      font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Helvetica, Roboto, Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft Yahei", "Microsoft Jhenghei", sans-serif;
  }

  .logo path {
      pointer-events: none;
      fill: none;
      stroke-linecap: round;
      stroke-width: 7;
      stroke: rgb(255, 255, 255);
  }

  .wechat-group img {
      max-width: 220px;
      height: auto;
      border-top-left-radius: 8px;
      border-top-right-radius: 8px;
      border-bottom-right-radius: 8px;
      border-bottom-left-radius: 8px;
      margin-top: 0px;
      margin-right: auto;
      margin-bottom: 0px;
      margin-left: auto;
      width: 100%;
  }

  .welcome-img img {
      width: 100%;
  }

  .c19048 {
      display: none;
  }

  .c19064 {
      height: 100vh;
      padding-top: 60px;
  }

  .c19039 {
      background: url('../img/4.jpg')no-repeat right center;
  }