.rotation3D-baseMap {
  width: 100%;
  height: 574px;
  position: absolute;
  background: url("../img/baseMapImg.png") no-repeat center center;
  background-size: contain;
}

.rotation3D-baseMap-before {
  width: 50%;
  height: 50%;
  margin: 94px auto;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 15;
  background: url('../img/lowBackImg.png') no-repeat center center;
  background-size: contain;
  animation: 10s bounceUpDown infinite;
}

.before-title {
  max-width: 200px;
  line-height: 56px;
  margin-top: 62px;
  font-size: 50px;
  font-weight: 700;
}

/* 椭圆会使内部失真 transform: rotateX(50deg); */
.rotation3D {
  width: 800px;
  height: 800px;
  margin: 0 auto;
  margin-top: -112px;
  position: relative;
  user-select: none;
  cursor: move;
}

.rotation3D .center {
  display: none;
  transform: translate(-50%, -50%);
  position: absolute;
  left: 50%;
  top: 50%;
}

.rotation3D .itemList {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 15;
  transform: scale(1.20);
}

.rotation3D .lineList {
  width: 100%;
  height: 100%;
  position: absolute;
  z-index: 10;
  transform-style: preserve-3d;
}

.rotation3D__item {
  width: 161px;
  height: 188px;
  display: block;
  position: absolute;
  top: 20px;
  text-align: center;
  line-height: 30px;
  font-size: 16px;
  color: white;
  cursor: pointer;
}

.rotation3D__item .scale {
  position: absolute;
  top: 0;
  width: 100%;
  height: 100%;
}

.rotation3D__item .cont {
  position: relative;
  z-index: 2;
}

.rotation3D__item .cont .iconfont {
  margin-top: 30px;
  margin-bottom: 60px;
  display: block;
  font-size: 28px;
}

.rotation3D__item .cont .item-name {
  width: 55%;
  position: absolute;
  left: 23%;
  margin-top: 7px;
  color: rgb(51, 51, 51);
  font-size: 20px;
  font-weight: 500;
}

.rotation3D__item.blue {
  color: #226AFF;
}

.rotation3D__item .baseImg {
  width: 100%;
  height: 100%;
  position: absolute;
  top: -60px;
  left: -1px;
  z-index: 1;
}

.rotation3D__item.blue .baseImg {
  background: url("../img/lowImg.png");
}

/* 线样式线高为总高的一般 */
.rotation3D__line {
  width: 2px;
  height: 50%;
  display: block;
  padding-top: 60px;
  /*原点设置在中间*/
  transform-origin: 50% 0;
  transform-style: preserve-3d;
  position: absolute;
  left: 50%;
  top: 50%;
  color: #fff;
  font-size: 50px;
}

.rotation3D__line .pos {
  position: absolute;
  top: 0;
}

.rotation3D__line svg {
  position: absolute;
  top: 0;
}

.rotation3D__line svg path {
  stroke: #226AFF;
  fill: none;
  stroke-width: 3;
  animation: path-animation 100s linear 0s infinite normal;
}

@keyframes path-animation {
  0% {
    stroke-dashoffset: 500;
  }

  100% {
    stroke-dashoffset: 0;
  }
}

.rotation3D__line .dot1 {
  animation: svg-path-animation 6s ease-in-out 0s infinite normal;
}

.rotation3D__line .dot1 {
  offset-path: path("M0 400, 0 0");
  offset-distance: 0%;
}

@keyframes svg-path-animation {
  from {
    offset-distance: 0%;
  }

  to {
    offset-distance: 100%;
  }
}

/*颜色*/
.rotation3D__line.blue {
  color: #226AFF;
}

.rotation3D__line.blue svg path {
  stroke: #226AFF;
}