.img1{ background:url(../images/plus.png) #ffffff no-repeat top;
        background-size: 100% 100%;
      width: 1.15rem;height: 1.15rem;margin-left: 25%;margin-top: 0.25rem;}
.img2{ background:url(../images/img2.png) #ffffff no-repeat top;
background-size: 100% 100%;
width: 1.15rem;height: 1.15rem;margin-left: 25%;margin-top: 0.25rem;}
.img3{ background:url(../images/img3.png) #ffffff no-repeat top;
background-size: 100% 100%;
width: 1.15rem;height: 1.15rem;margin-left: 25%;margin-top: 0.25rem;}
.logo_tit{padding-top: 0.3rem;margin-left: 0.3rem;}
.img_all{width: 1.15rem;height: 1.15rem;}