.dot-grid__canvas {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

/* 让区块内容压在点阵之上 */
.studio-layout,
.catalogue-content,
.catalogue-foot,
.works-head,
.works-stage,
.works-controls {
  position: relative;
  z-index: 1;
}