body {
  min-width: 1440px;
}
.content {
  font-size: 20px;
}
.first {
  height: 400px;
  background-image: url(../img/product-app/app_banner@2x.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  color: #fff;
  text-align: center;
}
.first .first-title {
  display: inline-block;
  font-size: 40px;
  margin: 133px auto 15px;
}
.item-box {
  background-color: #fff;
  height: 550px;
}
.item-box.bgeee {
  background-color: #eee;
}
.item-box .item {
  overflow: hidden;
  width: 1440px;
  margin: 0 auto;
  height: 100%;
  position: relative;
  background-size: 1440px auto;
}
.item-box .item .item-title {
  display: inline-block;
  font-size: 40px;
  margin-bottom: 40px;
}
.item-box .item .item-content {
  font-size: 20px;
  position: absolute;
}
.item-box .item .item-content.left {
  top: 180px;
  left: 170px;
}
.item-box .item .item-content.right {
  top: 205px;
  left: 730px;
}
.item-box .item .item-content p {
  margin-bottom: 10px;
}
.item-box .item .right-phone {
  position: absolute;
  top: 95px;
  right: 183px;
  width: 363.75px;
}
.item-box .item .left-phone {
  position: absolute;
  top: 82px;
  left: 170px;
  width: 363.75px;
}
.item-box .item #count1,
.item-box .item #count2,
.item-box .item #count3,
.item-box .item #count4 {
  position: absolute;
  color: #fff;
  left: 58px;
  top: 213px;
}
.item-box .item #count1 {
  font-size: 30px;
  top: 145px;
}
.item-box .item #count3 {
  left: 163px;
}
.item-box .item #count4 {
  left: 283px;
}
.item-box .item .wifi {
  width: 194px;
  position: absolute;
  top: 166px;
  right: 71px;
  animation-delay: 1s !important;
}
.item-box .item .print {
  width: 494px;
  position: absolute;
  top: 95px;
  left: 675px;
  animation-duration: 1s !important;
}
.item-box .two {
  background-image: url(../img/product-app/bg2.jpg);
}
.item-box .three {
  background-image: url(../img/product-app/bg3.jpg);
}
.item-box .four {
  background-image: url(../img/product-app/bg4.jpg);
}