@keyframes rolling {
  0% {
    transform: rotate(135deg);
  }
  100% {
    transform: rotate(495deg);
  }
}
@keyframes fadeout {
  0% {
    opacity: 1;
    transform: rotate(135deg) scale(1);
  }
  100% {
    opacity: 0;
    transform: rotate(135deg) scale(0);
  }
}
.refresh-wrap {
  position: fixed;
  width: 42px;
  height: 42px;
  left: 50%;
  margin-left: -21px;
  top: 50px;
  z-index: 88;
  background-color: #fff;
  border-radius: 50%;
  box-shadow: 0 0 6px 1px #ccc;
  opacity: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.refresh-wrap.transition {
  transition: top 0.3s ease-in-out, opacity 0.3s ease-in-out, transform 0.3s ease-in-out;
}
.refresh-wrap.animation {
  transition: top 0.3s ease-in-out, opacity 0.3s ease-in-out;
  animation: rolling 0.6s linear infinite;
}
.refresh-wrap.fadeout {
  animation: fadeout 0.3s ease-in-out;
}
.refresh-wrap .refresh {
  box-sizing: border-box;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  border: 3px solid #000;
  border-top-color: transparent !important;
}
.refresh-wrap.fadeout .refresh {
  opacity: 0;
}
.wrap {
  width: 100%;
  height: 100%;
  position: relative;
}
.wrap .intersection-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  left: 0;
  top: 0;
  visibility: hidden;
}