body {
  background: #000;
}
.bg {
  position: relative;
  width: 10rem;
  margin: 0 auto;
  background: url("../images/bg.png") no-repeat;
  background-size: 100% 100%;
  height: 17.178rem;
}
.title {
  width: 7.5rem;
  margin-left: 1.25rem;
  margin-top: 1.5rem;
}
.back-content {
  margin-top: 1rem;
  width: 8rem;
  margin-left: 1rem;
}
.back-content p {
  width: 8rem;
  font-size: 0.37rem;
  line-height: 0.65rem;
  color: #ffffff;
  margin-bottom: 0.6rem;
}
.back-btn {
  background: linear-gradient(to right, #00f088, #00a0e9);
  position: absolute;
  bottom: 3rem;
  color: #ffffff;
  width: 8.5rem;
  height: 1.28rem;
  margin-left: 0.75rem;
  font-size: 0.45rem;
  border-radius: 1rem;
}
.fb_iframe_widget {
  position: relative !important;
  margin: 0 auto;
  display: inline-block !important;
  bottom: -0.8rem;
  left: 1.6rem;
  width: 6rem;
  z-index: 501;
}
.replace-box {
  text-align: center;
  padding-top: 3rem;
}
.replace-box img {
  vertical-align: middle;
  width: 2rem;
  height: 2rem;
  border-radius: 50%;
}
.replace-box p {
  line-height: 0.7rem;
  text-align: center;
  font-size: 0.48rem ;
  color: #ffffff;
}
.replace-tips {
  width: 8.6rem;
  padding-right: 0.1rem;
  padding-top: 0.27rem;
  height: 2rem;
  padding-left: 0.2rem;
  margin-left: 0.52rem;
  margin-top: 1rem;
  background: #000000;
  background: rgba(0, 0, 0, 0.2);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.36rem;
  line-height: 0.6rem;
}
.fb_iframe_widget {
  position: absolute !important;
  bottom: 2.6rem !important;
  left: 1.4rem !important;
  opacity: 0 !important;
  z-index: 666 !important;
}