/*
 * 粒子效果背景样式
 */
#particles-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

body {
  position: relative;
}