/* 样式保持不变 */
#myCanvas[data-v-248f58a8] {
  width: 100%;
  height: 100%;
  display: block;
  border: 1px solid #ccc;
  font-family: "SimSun", "Microsoft YaHei", "宋体", "微软雅黑", sans-serif !important;
}
[data-v-248f58a8] * {
  font-family: "SimSun", "Microsoft YaHei", "宋体", "微软雅黑", sans-serif;
}