@pull-to-refresh: am-refresh-control;
.@{pull-to-refresh} {
  position: relative;
  overflow: hidden;
  user-select: none;

  &-content {
    transform-origin: left top;
    transform: translateZ(0);
  }

  &-ptr {
    color: grey;
    text-align: center;
    height: 50px;
    margin-top: -50px;
    overflow: hidden;
    &-icon {
      display: block;
    }
    &-loading {
      display: none;
    }
  }
  &-loading {
    .@{pull-to-refresh}-ptr {
      &-icon {
        display: none;
      }
      &-loading {
        display: block;
      }
    }
  }

  &-pull {
    display: flex;
  }
  &-release {
    display: none;
  }
  &-pull,
  &-release {
    align-items: center;
    justify-content: center;
    .am-icon,
    span {
      display: block; // 一些 webview 里需要设置，不然顶部对不齐
    }
  }
  &-active &-pull {
    display: none;
  }
  &-active &-release {
    display: flex;
  }
  &-deactive {
    .@{pull-to-refresh}-ptr {
      &-icon,
      &-loading {
        display: none;
      }
    }
  }
}