/* 初始隐藏 month 的内部显示（包含 ----/--），保持透明 */
#home-tabs1-search-form-input[type="month"] {
  background-color: transparent !important;
  color: transparent !important;
  -webkit-text-fill-color: transparent !important; /* 关键 */
  caret-color: transparent !important;
}

/* 让内部的各个字段都继承上面的颜色 */
#home-tabs1-search-form-input[type="month"]::-webkit-datetime-edit,
#home-tabs1-search-form-input[type="month"]::-webkit-datetime-edit-text,
#home-tabs1-search-form-input[type="month"]::-webkit-datetime-edit-year-field,
#home-tabs1-search-form-input[type="month"]::-webkit-datetime-edit-month-field {
  color: inherit;
  -webkit-text-fill-color: inherit;
}

/* 有值时恢复为 whitesmoke */
#home-tabs1-search-form-input.has-value[type="month"] {
  color: whitesmoke !important;
  -webkit-text-fill-color: whitesmoke !important;
  caret-color: whitesmoke !important;
}