使同花順DIFF指標上升畫“粗紅線”，下降畫“細白線”？怎麽實現呢

DIFF:=(EMA(C,12)-EMA(C,26))/(1+EMA(ABS(C),512))*7.5,colorwhite;

PARTLINE(DIFF,DIFF>REF(DIFF,1),colorred,DIFF<REF(DIFF,1),colorblack),LINETHICK4;

PARTLINE(DIFF,DIFF>REF(DIFF,1),colorred,DIFF<REF(DIFF,1),colorwhite),LINETHICK1