/* 浮动按钮覆盖全屏，不阻挡页面交互 */
.fab-area {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 9999;
}

.fab-btn {
  width: 96rpx;
  height: 96rpx;
  border-radius: 50%;
  background: rgba(24, 144, 255, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4rpx 16rpx rgba(0, 0, 0, 0.25);
  pointer-events: auto;
}

.fab-icon {
  font-size: 40rpx;
  line-height: 96rpx;
  text-align: center;
  width: 96rpx;
}