.t_pro_left i{cursor:pointer;transition:all ease .4s}.arr_angle{transform:rotate(90deg)}.proarrbox{flex:1;text-align:right;cursor:pointer;height:40px;line-height:40px}.proarrbox1{flex:1;text-align:right;cursor:pointer;height:40px;line-height:40px}.third_drop_active a{background-color:var(--main-color)!important;color:var(--main-color-white)}.third_drop_active{display:block}