.loading {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 100vw;
  height: 100vh;
  background: #000;
  box-sizing: border-box;
  font-size: 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  z-index: 4;
}
.pointBody {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  background: #666;
  filter: contrast(14);
  width: 200px;
  height: 300px;
}
.point {
  position: absolute;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  filter: blur(10px);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 15px rgba(255, 255, 255, 0.5);
}
.red {
  background: #ff3232;
  animation: ellipse-red 3s infinite ease-in-out;
}

.green {
  background: #45ff45;
  animation: ellipse-green 3s infinite ease-in-out;
  animation-delay: -1s;
}

.blue {
  background: #2222ff;
  animation: ellipse-blue 3s infinite ease-in-out;
  animation-delay: -2s;
}

.text {
  color: #fff;
  font-size: 24px;
  margin-top: 20px;
  text-align: center;
  animation: pulse 1.5s infinite ease-in-out;
}

/* 红色点椭圆轨迹 */
@keyframes ellipse-red {
  0% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(0, -100px);
  }
  25% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(60px, 0);
  }
  50% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(0, 100px);
  }
  75% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(-60px, 0);
  }
  100% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(0, -100px);
  }
}

/* 绿色点椭圆轨迹 */
@keyframes ellipse-green {
  0% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(-52px, -30px);
  }
  25% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(52px, 50px);
  }
  50% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(52px, -30px);
  }
  75% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(-52px, 50px);
  }
  100% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(-52px, -30px);
  }
}

/* 蓝色点椭圆轨迹 */
@keyframes ellipse-blue {
  0% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(52px, -30px);
  }
  25% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(-52px, 50px);
  }
  50% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(-52px, -30px);
  }
  75% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(52px, 50px);
  }
  100% {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) translate(52px, -30px);
  }
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}