@keyframes masked-animation {
  0% {
    background-position: 100% 0;
  }
  100% {
    background-position: -100% 0;
  }
}

.app-title{
  font-weight: bold;
  font-size: 40px;
  color: #888;
  margin-top: 20px;
}

.mask-slide {
  background: -webkit-gradient(
    linear,
    left top,
    right top,
    color-stop(0, #4d4d4d),
    color-stop(0.4, #4d4d4d),
    color-stop(0.5, #fff),
    color-stop(0.6, #4d4d4d),
    color-stop(1, #4d4d4d)
  );
  -webkit-text-fill-color: transparent;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-background-size: 200% 100%;
  background-size: 200% 100%;
  -webkit-animation: masked-animation 1s infinite linear;
  animation: masked-animation 1s infinite linear;
}

.footer-tip{
  position: fixed;
  left: 0;
  right: 0;
  bottom: 2%;
  text-align: center;
  color: #707070;
}

.first-loading-wrp {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
}

.first-loading-wrp > h1 {
  font-size: 30px;
  font-weight: bolder;
}

.first-loading-wrp .loading-wrp {
  display: flex;
  align-items: center;
  justify-content: center;
}

.dot {
  position: relative;
  box-sizing: border-box;
  display: inline-block;
  width: 64px;
  height: 64px;
  font-size: 64px;
  transform: rotate(45deg);
  animation: antRotate 1.2s infinite linear;
}

.dot i {
  position: absolute;
  display: block;
  width: 28px;
  height: 28px;
  background-color: #1890ff;
  border-radius: 100%;
  opacity: 0.3;
  transform: scale(0.75);
  transform-origin: 50% 50%;
  animation: antSpinMove 1s infinite linear alternate;
}

.dot i:nth-child(1) {
  top: 0;
  left: 0;
}

.dot i:nth-child(2) {
  top: 0;
  right: 0;
  -webkit-animation-delay: 0.4s;
  animation-delay: 0.4s;
}

.dot i:nth-child(3) {
  right: 0;
  bottom: 0;
  -webkit-animation-delay: 0.8s;
  animation-delay: 0.8s;
}

.dot i:nth-child(4) {
  bottom: 0;
  left: 0;
  -webkit-animation-delay: 1.2s;
  animation-delay: 1.2s;
}

@keyframes antRotate {
  to {
    -webkit-transform: rotate(405deg);
    transform: rotate(405deg);
  }
}

@-webkit-keyframes antRotate {
  to {
    -webkit-transform: rotate(405deg);
    transform: rotate(405deg);
  }
}

@keyframes antSpinMove {
  to {
    opacity: 1;
  }
}

@-webkit-keyframes antSpinMove {
  to {
    opacity: 1;
  }
}