message: chore(style): add gradient color variables
diff: @gray-darker: #7d7e80;
  @gray-dark: #969799;
  +// Gradient Colors
  +@gradient-red: linear-gradient(to right, #ff6034, #ee0a24);
  +@gradient-orange: linear-gradient(to right, #ffd01e, #ff8917);
  +
  // Component Colors
  @text-color: #323233;
  @active-color: #f2f3f5;
  @goods-action-icon-active-color: @active-color;
  @goods-action-icon-text-color: @gray-darker;
  @goods-action-button-height: 40px;
  -@goods-action-button-warning-color: linear-gradient(to right, #ffd01e, #ff8917);
  -@goods-action-button-danger-color: linear-gradient(to right, #ff6034, #ee0a24);
  +@goods-action-button-warning-color: @gradient-orange;
  +@goods-action-button-danger-color: @gradient-red;
  // IndexAnchor
  @index-anchor-padding: 0 @padding-md;
  