@keyframes rotate {
  to {
    transform: rotate(360deg);
  }
}
.spin-home-loading {
  position: relative;
  min-height: 200px;
  height: 100%;
}

.spin-home-loading .spin-spinning {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 4;
  display: block;
  width: 100%;
  height: 100%;
}

.spin-home-loading .spin-spinning .spin-dot {
  position: relative;
  display: inline-block;
  font-size: 20px;
  width: 1em;
  height: 1em;
  position: absolute;
  top: 45%;
  left: 50%;
  margin: -10px;
}

.spin-home-loading .spin-spinning .spin-dot .spin-dot-item {
  position: absolute;
  display: block;
  width: 9px;
  height: 9px;
  background-color: #1890ff;
  border-radius: 100%;
  transform: scale(0.75);
  transform-origin: 50% 50%;
  opacity: 0.3;
  animation: spinMove 1s infinite linear alternate;
}

.spin-home-loading .spin-spinning .spin-dot .spin-dot-item:nth-child(1) {
  top: 0;
  left: 0;
}

.spin-home-loading .spin-spinning .spin-dot .spin-dot-item:nth-child(2) {
  top: 0;
  right: 0;
  animation-delay: 0.4s;
}

.spin-home-loading .spin-spinning .spin-dot .spin-dot-item:nth-child(3) {
  right: 0;
  bottom: 0;
  animation-delay: 0.8s;
}

.spin-home-loading .spin-spinning .spin-dot .spin-dot-item:nth-child(4) {
  bottom: 0;
  left: 0;
  animation-delay: 1.2s;
}

.spin-dot-spin {
  animation: rotate 1.2s infinite linear;
}