.banner {
  margin-top: 90px;
  height: 500px;
}

ul.slides {
  position: relative;
  width: 100%;
  height: 500px;
  list-style: none;
  margin: 0;
  padding: 0;
  background-color: #eee;
  overflow: hidden;
}

li.slide {
  margin: 0;
  padding: 0;
  width: inherit;
  height: inherit;
  position: absolute;
  top: 0;
  left: 0;
  transition: .5s transform ease-in-out;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

#sangfor {
  margin: 0;
  padding: 0;
  width: inherit;
  position: absolute;
  text-align: center; 
  top:40%;
  transform: translateY(-50%);
  -webkit-transform: translateY(-50%); 
}
#sangfor a{
  font-size: 40px;
  color: #ffffff;
}

.slide:nth-of-type(1) {
  background-image: url(/img/index/jl.jpeg);
}

.slide:nth-of-type(2) {
  /* background-image: url(/img/index/13902080_新一代电子文档CDG-banner.jpeg); */
  left: 100%;
}

.slide:nth-of-type(3) {
  background-image: url(/img/index/zjs.jpg);
  left: 200%;
}

input[type="radio"] {
  position: relative;
  z-index: 100;
  display: none;
}

.controls-visible {
  position: absolute;
  width: 100%;
  bottom: 12px;
  text-align: center;
}

.controls-visible label {
  display: inline-block;
  width: 10px;
  height: 10px;
  background-color: #fff;
  border-radius: 50%;
  margin: 0 3px;
  border: 2px solid #fff;
}

.slides input[type="radio"]:nth-of-type(1):checked~.controls-visible label:nth-of-type(1) {
  background-color: #669ACC;
}

.slides input[type="radio"]:nth-of-type(2):checked~.controls-visible label:nth-of-type(2) {
  background-color: #669ACC;
}

.slides input[type="radio"]:nth-of-type(3):checked~.controls-visible label:nth-of-type(3) {
  background-color: #669ACC;
}

.slides input[type="radio"]:nth-of-type(1):checked~.slide {
  transform: translatex(0%);
}

.slides input[type="radio"]:nth-of-type(2):checked~.slide {
  transform: translatex(-100%);
}

.slides input[type="radio"]:nth-of-type(3):checked~.slide {
  transform: translatex(-200%);
}

/* Left/Right Button Classes Below */
.navigator {
  position: absolute;
  top: 50%;
  transform: translatey(-50%);
  width: 100%;
  z-index: 100;
  padding: 0 20px;
  display: flex;
  justify-content: space-between;
  box-sizing: border-box;
  display: none;
}

.navigator i {
  font-size: 48px;
  color: #fff;
}

.slides input[type="radio"]:nth-of-type(1):checked~.navigator:nth-of-type(1) {
  display: flex;
}

.slides input[type="radio"]:nth-of-type(2):checked~.navigator:nth-of-type(2) {
  display: flex;
}

.slides input[type="radio"]:nth-of-type(3):checked~.navigator:nth-of-type(3) {
  display: flex;
}

.container {
  width: 1200px;
  margin-left: auto;
  margin-right: auto;
}

.history {
  margin-top: 50px;
  padding: 50px;
  background-color: #fff;
}

.company img {
  margin-top: 20px;
  width: 100%
}

.certs {
  padding: 50px;
  background-image: -webkit-linear-gradient(0deg, rgb(255, 255, 255) 0%, rgb(219, 219, 219) 100%);
}

.cert {
  margin-top: 20px;
  display: flex;
  justify-content: space-evenly;
}

.cert img {
  height: 350px;
}

.customers {
  padding: 50px;
  background-color: #f9f9f9;
}

.customers-body table {
  margin-top: 20px;
  margin-left: auto;
  margin-right: auto;
  background-color: #fff;
}

.customers-body td {
  border: #02c1fc 1px solid;
  text-align: center;
}

.customers-body td img {
  width: 70%;
}

@media(max-width:1000px) {
  .container {
    max-width: 100%;
  }

  .banner {
    height: 350px;
  }

  ul.slides {
    height: 350px;
  }
}