@party-purple:#757BEE;
@party-pink:#CF6BA4;
@party-blue:#5E8DE5;
@party-green:#3DD0C6;
@party-red:#B93838;
@colors: @party-purple, @party-pink, @party-blue, @party-green,@party-red;
@colorName:-purple,-pink,-blue,-green,-red;
@iconList:headContent,copyrights,classify,content,plane,
  pen,data,headAudit,video,screen,magnifier,disable,headUser,interaction,
  account,headStb,radio,message,gear,appversion,interface,headStatistics,overview,tend,
  statisticsUser,headSystem,organ,log,platUser,lock;
  @lenIcon:length(@iconList);
  @lenColor:length(@colors);

  each(@iconList, {
    .icon-@{value} {
        background: url("~@/assets/menu/@{value}.png") no-repeat center/100% 100%;
    }
  });

  each(@colorName, {
    .index@{value}{
        background-color: extract(@colors, @index);
    }  
  });