.product_top {
	width: 100%;
	overflow: hidden;
	padding: 1em;
}
.product_img {
	padding: 2em;
	width: 40%;
	box-shadow: 0px 0px 5px #E1E1E1;
	float: left;
}


.product_info {
	padding: 0.6vw;
	width: 58%;
	float: right;
}

.product_name {
	font-size: 24px;
	font-weight: bold;
	color: #000;
	font-family: "黑体";
}
.product_specifications_line {
	margin-top: 1em;
}
.product_describe_line {
	margin-top: 2em;
	padding-top: 1em;
	border-top: 1px solid #ccc;
}

.product_info .product_describe_line div{
	font-size: 16px;
	font-weight: bold;
	color: #000;
}

.product_information {
	width: 100%;
	padding-top: 2em;
	margin-top: 2em;
	border-top: 1px solid #ccc;
	padding: 0.8em;
}
.product_information_title {
	font-size: 18px;
	color: #000;
	font-weight: bold;
}

.product_information_img {
	margin-top: 2em;
	width: 100%;
}


@media screen and (max-width: 750px) {
  .product_img {
	padding: 2em;
	width: 100%;
	box-shadow: 0px 0px 5px #E1E1E1;
  }

  .product_info {
	padding: 0.6vw;
	width: 100%;
  }
}