/* 只针对 canvas 设置样式，不修改容器 */
  .tubes-canvas {
    position: absolute !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100% !important;
    height: 100% !important;
    margin: 0 !important;
    padding: 0 !important;
    z-index: 1 !important;
    pointer-events: none !important;
  }

  /* 隐藏原背景 */
  .tubes-bg .section-bg {
    opacity: 0 !important;
  }

  .tubes-bg .section-bg-overlay {
    opacity: 0 !important;
  }

  /* 确保内容层在上面 */
  .tubes-bg .section-content {
    z-index: 10 !important;
  }

  .tubes-bg .ux-shape-divider {
    z-index: 10 !important;
  }
  /* 添加红色蒙层 - 在 canvas 之上 */
  .tubes-bg::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #0e56884d;  /* 15% 红色蒙层 - 改这里 */
    z-index: 2;
    pointer-events: none;
  }