*{
  padding: 0;
  margin: 0;
  text-decoration: none;
  list-style: none;
}
.logo {
  width: 100%;
  height: 96px;
  background: #f5f6fa;
  text-align: center;
}
.row-one, .row-two {
  width: 815px;
  margin: 107px auto 0 auto;
  overflow: hidden;
  padding-top: 8px;
}
.row-two {
  width: 1086px;
  margin: 45px auto 63px auto;
}
.item {
  float: left;
  width: 236px;
  height: 135px;
  background: url(./item4.png) no-repeat;
  text-align: center;
  line-height: 124px;
  color: #fff;
  font-size: 30px;
  font-weight: bold;
  margin-right: 35px;
  box-sizing: border-box;
  position: relative;
  transition: 0.3s;
}
.item:hover {
  transform: translateY(-6px);
}
.sys {
  text-align: center;
  margin-bottom: 60px;
}
.phone-item-wrap {
  display: none;
}
.footer {
  width: 100%;
  height: 170px;
  box-sizing: border-box;
  padding: 20px 30px 40px 30px;
  background: #333;
}
.footer p {
  margin-bottom: 4px;
  height: 20px;
  color: #fff;
  font-weight: bold;
  font: 14px/40px 微软雅黑;
}
.footer p a, .footer p em {
  color: #fff;
  font-weight: bold;
  font: 14px/40px 微软雅黑;
}
.footer p a:hover {
  color: #62d3f2;
  transition: 0.2s;
}
.footer-r a {
  color: #fff;
  margin: 4px;
}
.footer-r a:hover {
  color: #d12f27;
  transition: 0.2s;
}
.mfooter {
  display: none;
}
@media screen and (max-width: 768px) {
  .logo {
    background: none;
    height: 0;
  }
  .logo img {
    width: 100%;
  }
  .item-wrap {
    display: none;
  }
  .phone-item-wrap {
    display: block;
    width: 100%;
    margin-top: 100px;
  }
  .phone-item-wrap a {
    display: inline-block;
    width: 50%;
    height: 115px;
    background: url(./item4.png) no-repeat;
    background-size: 100%;
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    margin-right: 0;
    line-height: 100px;
    margin-bottom: 20px;
  }
  .phone-item-wrap a:hover {
    background-size: 100%;
    transform: translateY(0px);
  }
  .footer {
    display: none;
  }
  .mfooter {
    display: block;
    background: #333;
    color: #fff;
    text-align: center;
    padding: 5px 0;
  }
  .mfooter p {
    margin-top: 10px;
  }
}