<!-- 粒子吸附，线条汇集动画 -->
<canvas id="c_n9" width="1920" height="990" style="position:fixed; top:0px; left:0px; z-index:-1; opacity:0.5;"></canvas>
<script src="https://files.cnblogs.com/files/siwuxie095/canvas-nest.min.js"></script>

<!-- 鼠标点击烟花特效 -->
<!-- <canvas width="1600" height="900" style="position:fixed; left:0px; top:0px; z-index: 99999; pointer-events: none;"></canvas>
<script src="https://blog-static.cnblogs.com/files/yjlblog/cursor-effects.js"></script> -->