.internetWork {
    width: 100%;
    background-image: url('internetWork.jpg');
    background-size: 100% 100%;
    background-position: top left;
    background-repeat: no-repeat;
  }
  .internetWork p {
    margin: 0;
    padding: 0;
  }
  .internetWork .flextit {
    display: flex;
    align-items: center;
    letter-spacing: 2px;
  }
  .internetWork .title {
    padding: 70px 0 70px 0;
    width: 90%;
    min-width: 1200px;
    max-width: 1300px;
    margin: 0 auto;
    color: #141e2a;
    font-size: 35px;
    position: relative;
  }
  .internetWork .title .titleIntro {
    color: #666;
    font-size: 18px;
    margin: 20px 0 0 0;
  }
  .internetWork .title .circle {
    font-size: 20px;
    padding: 0px 10px;
    color: #0f6fc2;
  }
  .internetWork .title .tit {
    color: #0f6fc2;
  }
  .internetWork .title .arrow {
    width: 82px;
    height: 14px;
    position: absolute;
    right: 0;
    bottom: 70px;
    background-image: url('../image/arrow.png');
    background-size: 100% 100%;
    background-position: center center;
    background-repeat: no-repeat;
  }
  .internetWork .internetBanner {
    min-width: 1200px;
    max-width: 1300px;
    width: 90%;
    height: 340px;
    margin: 0 auto;
    padding: 0 0 100px 0;
    border-radius: 2px;
  }
  .internetWork .internetBanner .item {
    float: left;
    width: 25%;
    height: 100%;
    text-align: center;
    box-sizing: border-box;
  }
  .internetWork .internetBanner .item:nth-child(1) {
    background-image: url('../image/internet_img2.jpg');
    background-size: 100% 100%;
    background-position: center center;
    background-repeat: no-repeat;
  }
  .internetWork .internetBanner .item:nth-child(2),
  .internetWork .internetBanner .item:nth-child(4) {
    background: #036cc5;
    position: relative;
  }
  .internetWork .internetBanner .item:nth-child(2):before,
  .internetWork .internetBanner .item:nth-child(4):before {
    content: '';
    width: 0;
    height: 0;
    position: absolute;
    top: 0;
    bottom: 0;
    left: -20px;
    margin: auto 0;
    border-top: 10px solid transparent;
    border-right: 20px solid #036cc5;
    border-bottom: 10px solid transparent;
  }
  .internetWork .internetBanner .item:nth-child(3) {
    background-image: url('../image/internet_img1.jpg');
    background-size: 100% 100%;
    background-position: center center;
    background-repeat: no-repeat;
  }
  .internetWork .internetBanner .item img {
    margin: 100px 0 20px 0;
    -webkit-animation: spinAround 9s linear infinite;
    animation: spinAround 9s linear infinite;
  }
  @-webkit-keyframes spinAround {
    from {
      -webkit-transform: rotate(0deg);
    }
    to {
      -webkit-transform: rotate(360deg);
    }
  }
  @keyframes spinAround1 {
    from {
      transform: rotate(0deg);
    }
    to {
      transform: rotate(-360deg);
    }
  }
  .internetWork .internetBanner .item .name {
    color: #fff;
    font-size: 20px;
    font-weight: bold;
  }
  .internetWork .internetBanner .item .intro {
    color: #fff;
    font-size: 28px;
    margin: 90px 10% 40px;
    text-align: left;
  }
  .internetWork .internetBanner .item .introdetail {
    color: #fff;
    font-size: 18px;
    margin: 0 10%;
    text-align: left;
    line-height: 30px;
  }