/* ======= 动画效果 ======= */
@keyframes spin3D {
  from {
    transform: rotate3d(0.5, 0.5, 0.5, 0deg);
  }
  to {
    transform: rotate3d(0.5, 0.5, 0.5, 360deg);
  }
}

/* ======= Loading 遮罩层 ======= */
#loading {
  position: fixed;
  inset: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100%;
  background-color: #1d2630;
  overflow: hidden;
  z-index: 99999999;
}

.spinner-box {
  width: 300px;
  height: 300px;
  display: flex;
  justify-content: center;
  align-items: center;
  background: transparent;
  position: relative;
}

.leo {
  position: absolute;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
}

/* ======= 各层轨道 ======= */
.orbit {
  border-radius: 50%;
  animation: spin3D linear infinite;
}

.blue-orbit {
  width: 165px;
  height: 165px;
  border: 1px solid #91daffa5;
  animation-duration: 3s;
  animation-delay: 0.2s;
}

.green-orbit {
  width: 120px;
  height: 120px;
  border: 1px solid #91ffbfa5;
  animation-duration: 2s;
}

.red-orbit {
  width: 90px;
  height: 90px;
  border: 1px solid #ffca91a5;
  animation-duration: 1s;
}

.white-orbit {
  width: 60px;
  height: 60px;
  border: 2px solid #fff;
  animation-duration: 10s;
}

/* ======= 不同初始旋转角度 ======= */
.w1 { transform: rotate3d(1, 1, 1, 90deg); }
.w2 { transform: rotate3d(1, 2, 0.5, 90deg); }
.w3 { transform: rotate3d(0.5, 1, 2, 90deg); }

/* ======= 看板娘 ======= */
#live2dcanvas {
  border: none !important;
}