* {
  box-sizing: border-box;
}
.index-home {
  background: url(../images/index/banner-bg.jpg) no-repeat;
  min-width: 1500px;
  height: 1080px;
  padding-top: 40px;
}
.index-home-top {
  width: 1700px;
  min-width: 1700px;
  margin: auto;
  text-align: right;
}
.index-home-top>a {
  display: inline-block;
  background: url(../images/index/btn-website.png);
  width: 163px;
  height: 100px;
  margin: -68px;
}
.index-home-flex {
  display: flex;
  justify-content: center;
  margin-top: 550px;
}
.index-home-flex>a {
  display: inline-block;
  width: 230px;
  height: 230px;
  background: url(../images/index/btn-login.png);

}
.index-home-flex>a:nth-child(2) {
  background: url(../images/index/btn-downLoad.png);
  margin-left: 100px;
}