.bg{
  position: relative;
  width: 100vw;
  height: 56.25vw;
  overflow: hidden;
  background: rgb(255,220,4);
}
.bg-icon{
  width: 100vw;
  height: 56.25vw;
  position: absolute;
  left: 0;
  top: 0;
}
.content{
  position: relative;
  z-index: 5;
  width: 65vw;
  height: 39vw;
  margin: 0 auto;
  background: url(../images/content-top.png?v=20201010)no-repeat;
  background-size: 100% 100%;
  margin-top: 3vw;
}
.content-btn{
  width: 19.5vw;
  height: 6vw;
  position: absolute;
  right: 8.5vw;
  top: 26.7vw;
}
.content2{
  width:100vw;
  height: 112.76vw;
  background: url(../images/content2.jpg)no-repeat;
  background-size: 100% 100%;
}
.foot-box{
  height: 200px;
  text-align: center;
  background: #f5f5f5;
  p{
    line-height: 30px;
    font-size: 18px;
  }
}