.a_r_jz{
	width: 837px;
	margin: 0px auto; 
}

.a_r_jz .a_jg_tt{
	width: 100%;
	margin-top: 40px;
}
.a_r_jz .a_jg_tt img{
	width: 837px;
	height:942px;
	display: block;
	margin: 0px auto;
}