:root {
      --electric-blue: #00c6ff;
      --electric-purple: #aa00ff;
      --energy-trail: rgba(0, 170, 255, 0.4);
    }

    /* 电粒子效果 */
    .particles {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100vh;
      pointer-events: none;
      z-index: 1;
    }

    .particle {
      position: absolute;
      width: 3px;
      height: 3px;
      border-radius: 50%;
      animation: electricParticles 3s infinite;
    }

    .particle.blue {
      background: var(--electric-blue);
      box-shadow: 0 0 8px 1px rgba(0, 198, 255, 0.8);
    }

    .particle.purple {
      background: var(--electric-purple);
      box-shadow: 0 0 8px 1px rgba(170, 0, 255, 0.8);
    }

    @keyframes electricParticles {
      0% {
        transform: translate(0, 0) scale(1);
        opacity: 0;
      }
      20% {
        opacity: 1;
      }
      50% {
        transform: translate(calc(50vw - 50px), -50vh) scale(1.5);
        opacity: 0.8;
      }
      100% {
        transform: translate(calc(100vw - 100px), -100vh) scale(0.5);
        opacity: 0;
      }
    }

    /* 粒子轨迹光束 */
    .particle-trails {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      pointer-events: none;
      z-index: 2;
    }

    .particle-trail {
      position: absolute;
      width: 1px;
      height: 15px;
      background: var(--energy-trail);
      animation: trailFade 1.5s infinite;
    }

    @keyframes trailFade {
      0% {
        transform: translateY(0) scaleY(1);
        opacity: 0.8;
      }
      100% {
        transform: translateY(100vh) scaleY(0.1);
        opacity: 0;
      }
}