index.css

.bg {
  position: relative;
  width: 10rem;
  height: 100vh;
  background: url("../images/catBg.jpg") repeat-y;
  background-size: 100% auto;
  margin: 0 auto;
  overflow: hidden;
}
.Recharge {
  position: absolute;
  font-size: 0.45rem;
  color: #ffffff;
  right: 0.5rem;
  top: 0.2rem;
}
.icon-box {
  text-align: center;
  margin-top: -0.1rem;
}
.icon-box img {
  width: 5.68rem;
  margin-top: 0.2rem;
}
.banner-box {
  text-align: center;
}
.banner-box img {
  width: 6rem;
}
.down {
  width: 5rem;
  height: 1.17rem;
  background: url("../images/btn.png") no-repeat;
  background-size: 100% 100%;
  margin: 0 auto;
  margin-top: 0.1rem;
}
.ios-bottom-color {
  height: 1.72rem;
  width: 10rem;
  position: fixed;
  background: rgba(0, 0, 0, 0.8);
  bottom: 0;
  left: 0;
}
.ios-bottom {
  height: 1.72rem;
  width: 10rem;
  background: url(../images/ios-bottom.png) no-repeat;
  background-size: 100% 100%;
  position: fixed;
  bottom: 0;
  left: 0;
  z-index: 500;
}
.ios-bottom .ios-btn {
  width: 2.7rem;
  height: 1rem;
  position: absolute;
  right: 0.3rem;
  top: 0.45rem;
}