.img {
  width: 100%;
}
#top {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
}
.content {
  z-index: 1;
  margin-top: 18%;
  width: 100%;
}
.content a {
  width: 100%;
}
.content a  img {
  width: 100%;
}
.top {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  width: 100%;
}
.top .bg {
  width: 100%;
  z-index: 100;
}
.top .icon1 {
  position: absolute;
  width: 14vw;
  height: 14vw;
  z-index: 101;
  top: 1.6vw;
  left: 2vw;
}
.top span {
  z-index: 101;
  color: #fff;
  font-size: 4.2vw;
  position: absolute;
  top: 1vw;
  left: 18vw;
  font-weight: bold;
  /* background-image:-webkit-linear-gradient(left,#bd7819,#fffb41,#bc6520);  */
  /* -webkit-background-clip:text; 
  -webkit-text-fill-color:transparent;  */
}
.top .top_download {
  position: absolute;
  top: 3vw;
  right: 6vw;
  width: 28vw;
  height: 13vw;
}