/* ====== 3D 点云粒子容器 ====== */

#particle-container {
  flex: 1;
  width: 100%;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 1.2s ease, transform 1.2s ease;
}

body.loaded #particle-container {
  opacity: 1;
  transform: scale(1);
}

#particle-container canvas {
  display: block;
  width: 100% !important;
  height: 100% !important;
}