@media (max-width: 640px) {
	html,body{
		background-color: #f5f5f5;
		font-family: "microsoft yahei";
	
	}
	.pcs_tr, .pre_tr{background-color: #fff; margin: 10px 0px;border-top: 1px solid #e6e6e6; padding: 5px 5px;}
	.pcs_tr:hover,.pre_tr:hover{background-color: #fff !important;}
	.pre_td{color:#666;}
	.input-group{display: block;}
	.input-group .form-control{float: none;}
	.pcs_td, .ppr_td, .pre_td{display: block;padding: 5px 10px;}
	.input-group-addon{display: none;}
	.pre_mh2{padding: 0px; text-align: center;background-color: #fff;margin-top: 10px;}
   .form-control{border: none;box-shadow: none;-webkit-box-shadow:none;padding: 0px; color: #333;resize : none;}
   .form-control:focus{box-shadow: none;-webkit-box-shadow:none;}
   input[type="date"]:before{
    content: attr(placeholder);
    color:#333;
}
}

