准心（准星）参数
cl_crosshaircolor 1 cl_crosshairdot 0 cl_crosshairgap -3 cl_crosshairsize 2.5 cl_crosshairstyle 4 cl_crosshairthickness 0 cl_crosshair_drawoutline 0 cl_crosshairalpha 200 cl_crosshaircolor_b 250 cl_crosshaircolor_g 250 cl_crosshaircolor_r 250
