body.ciyuan-home-particles-active {
  background: radial-gradient(circle at 20% 20%, rgba(56, 189, 248, 0.16), transparent 28%),
    radial-gradient(circle at 78% 12%, rgba(168, 85, 247, 0.14), transparent 26%),
    linear-gradient(135deg, #f8fbff 0%, #eef6ff 42%, #f6f3ff 100%);
}
body.ciyuan-home-particles-active #root {
  position: relative;
  z-index: 1;
  min-height: 100vh;
}
#ciyuan-home-particles-canvas {
  position: fixed;
  inset: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 0;
}
@media (prefers-reduced-motion: reduce) {
  #ciyuan-home-particles-canvas { display: none; }
}