强势线:EMA(SLOPE(CLOSE,21)*20+CLOSE,55)*1;买入线:EMA(CLOSE,3);KL:=买入线-强势线;STICKLINE(KL>=0,买入线,强势线,0.5,0),COLORRED;STICKLINE(KL<0,买入线,强势线,0.5,0),COLORGREEN;