@media screen and (max-width: 768px){

	div.indextopheadlogo{ width:auto; height:.33rem; float:left; margin-left:.50rem; transition:all 0.5s ease-in-out;}
		
		div.indextopheadrightnavback{ display:none; float:left; transition:all 0.5s ease-in-out;}
		
		div.indextopheadrightsousuo{ display:none;}
	
		
		.menuph{ display:block;}
		div.indextopheadrightsousuosj{ display:block; margin:auto; float:none;   width: 1.9rem;
	    height: .4rem;}
		div.indextopheadrightsousuosj div.indextopheadrightsousuoleft{ width:.25rem; height:.25rem;}
		div.indextopheadrightsousuosj div.indextopheadrightsousuoright{ width:1.4rem;}
}