body {
  background: #fff;
  font-family: Arial, Helvetica, sans-serif;
}
#main {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  height: 100%;
  position: absolute;
  width: 100%;
}
.kf {
  width: calc(117vw / 7.5);
  height: calc(117vw / 7.5);
  background: url("./kf.png");
  background-size: 100% 100%;
  position: fixed;
  top: calc(1000vw / 7.5);
  right: 0;
  z-index: 10000;
  transition: all 0.3s ease;
}
.kf a {
  display: block;
  width: 100%;
  height: 100%;
}
.content {
  width: 100%;
  background: url("./bg.png");
  background-size: 100% 100%;
  padding-bottom: calc(179vw / 7.5);
}
.content .banner {
  width: 100%;
  aspect-ratio: 7.5/10.16;
  background: url("./bg1.png?v=1");
  background-size: 100% 100%;
  position: relative;
}
.content .superStar {
  width: 100%;
  aspect-ratio: 7.5/8.53;
  background: url("./superstar.png?v=1");
  background-size: 100% 100%;
  margin-top: calc(16vw / 7.5);
  position: relative;
}
.content .apps {
  width: calc(712vw / 7.5);
  aspect-ratio: 7.12/9.25;
  background: url("./apps.png");
  background-size: 100% 100%;
  margin: auto;
  margin-top: calc(26vw / 7.5);
  position: relative;
}
.content .apps a {
  display: block;
  width: 100%;
  height: 100%;
}
.btns-box {
  width: 100vw;
  position: fixed;
  bottom: 0;
  z-index: 999;
  background-color: rgba(0, 0, 0, 0.7);
}
.content .btns {
  width: calc(670vw / 7.5);
  aspect-ratio: 670/98;
  margin: auto;
  margin-top: calc(28vw / 7.5);
  padding-bottom: calc(22vw / 7.5);
  position: relative;
  display: flex;
  justify-content: center;
}
.content .btns a {
  display: block;
  width: 50%;
  text-align: center;
  aspect-ratio: 325 / 87;
}
.content .btns a img {
  height: 100%;
}
.download {
  width: 100%;
  text-align: center;
  margin-top: 4%;
}
.download img {
  max-width: 341px;
  max-height: 104px;
}
@keyframes heart_beat {
  0% {
    transform: scale(0.95);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(0.95);
  }
}