city-casereport/components/coolui-scroller/refresh/index.wxss

.wx-coolui-scroller-refresh {
  width: 100%;
  background-size: cover;
  background-position: center bottom;
  background-repeat: no-repeat;
  position: relative;
  overflow: hidden;
}

.wx-coolui-scroller-refresh .refresh-inner {
  position: absolute;
  text-align: center;
  width: 100%;
  font-size: 28rpx;
  display: flex;
  justify-content: center;
  align-items: center;
}

.wx-coolui-scroller-refresh .refresh-inner .down {
  width: 12px;
  height: 12px;
  margin-right: 20rpx;
  position: relative;
}

.wx-coolui-scroller-refresh .refresh-inner .down .line:nth-child(1) {
  display: block;
  width: 2px;
  height: 18px;
  background-color: #000;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 2px;
  opacity: 1;
}

.wx-coolui-scroller-refresh .refresh-inner .down .line:nth-child(2) {
  width: 8px;
  height: 2px;
  background-color: #000;
  display: block;
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: rotate(-45deg);
  transform-origin: 0 50%;
  border-radius: 2px;
  opacity: 1;
}

.wx-coolui-scroller-refresh .refresh-inner .down .line:nth-child(3) {
  width: 8px;
  height: 2px;
  background-color: #000;
  display: block;
  position: absolute;
  bottom: -3px;
  right: 50%;
  transform: rotate(45deg);
  transform-origin: 100% 50%;
  border-radius: 2px;
  opacity: 1;
}

.wx-coolui-scroller-refresh .refresh-inner .down.loading {
  display: inline-block;
  position: relative;
  width: 36rpx;
  height: 36rpx;
}

.wx-coolui-scroller-refresh .refresh-inner .down.loading .line {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  display: block;
  position: absolute;
  margin: -18rpx 2px 2px -18rpx;
  border-width: 2px;
  border-style: solid;
  border-color: #6190e8 transparent transparent;
  border-radius: 50%;
  -webkit-animation: circle 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  animation: circle 1.2s cubic-bezier(0.5, 0, 0.5, 1) infinite;
  width: 36rpx;
  height: 36rpx;
  left: 50%;
  top: 50%;
  transform-origin: 50% 50%;
  background-color: transparent;
  transform: translate(-50%, -50%);
}

.wx-coolui-scroller-refresh .refresh-inner .down.loading .line:nth-child(1) {
  -webkit-animation-delay: -.45s;
  animation-delay: -0.45s;
}

.wx-coolui-scroller-refresh .refresh-inner .down.loading .line:nth-child(2) {
  -webkit-animation-delay: -.3s;
  animation-delay: -0.3s;
}

.wx-coolui-scroller-refresh .refresh-inner .down.loading .line:nth-child(3) {
  -webkit-animation-delay: -.15s;
  animation-delay: -0.15s;
}

.wx-coolui-scroller-refresh .refresh-inner .has-bg {
  font-weight: bold;
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent !important;
  background-size: 100% auto;
  background-position: -100% -100%;
  background-repeat: no-repeat;
}

.wx-coolui-scroller-refresh .refresh-inner .has-bg.loading {
  animation: play 0.5s line infinite;
}

@keyframes circle {
  0% {
    transform: rotate(0);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes play {
  from {
    opacity: 1;
  }
  to {
    opacity: 0.5;
  }
}