.common_footer {
	padding: 30px 0px;
	background: #212633;
	color: #fff;
	height: 448px;
}
.web_introduction {
	display: flex;
	justify-content: space-between;
	align-items: self-start;
}
.web_introduction_left .company_name {
	font-size: 20px;
	color: #fff;
	line-height: 40px;
}
.web_introduction_left .sub_company_name {
	font-size: 14px;
	font-weight: bold;
	margin-top: 20px;
	color: #d9d9d9;
}

.web_introduction_left p {
	color: #fff;
	font-size: 16px;
}

.common_footer li a:hover {
	color: #fff;
}
.common_footer .web_info {
	margin-top: 70px;
}
.common_footer .web_info,
.common_footer .web_info a {
	text-align: center;
	color: #999999;
}
.web_introduction_middle {
	width: 360px;
	display: flex;
	justify-content: space-evenly;
	align-items: self-start;
}
.web_introduction_middle ul li:first-child {
	margin-bottom: 12px;
}
.web_introduction_middle ul li:first-child {
	color: #fff;
	font-size: 20px;
	font-weight: bold;
	height: 40px;
	line-height: 40px;
}
.web_introduction_middle ul li a {
	color: #d9d9d9;
	height: 50px;
	line-height: 50px;
	font-size: 16px;
}
.web_introduction_right ul {
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 424px;
}
.web_introduction_right {
	margin-top: 10px;
}
.web_introduction_right ul li {
	display: flex;
	justify-content: space-between;
	align-items: center;
	flex-direction: column;
}
.web_introduction_right img {
	width: 128px;
}
.web_introduction_right li span {
	margin-top: 10px;
}
.exhibition_banner_list {
	margin-top: 20px;
}
.web_introduction p {
	line-height: 28px;
}

.common_footer_img {
	position: fixed;
	bottom: 0;
}