.banner {
	width: 100%;
}

.banner img {
	display: block;
	width: 100%;
}

.main {
	background-color: #FFFFFF;
}

.main_top {
	display: none;
}

.main_bottom {
	padding: 80px 0px;
}

.main_bottom .case_list li:after {
	display: table;
	content: "";
	clear: both;
}

.main_bottom .case_list li>* {
	float: left;
}

.main_bottom .case_list li.even>* {
	float: right;
}

.main_bottom .case_list li .pic {
	width: 50%;
}

.main_bottom .case_list li .pic img {
	display: block;
	width: 100%;
}

.main_bottom .case_list li .txt {
	width: 700px;
	box-sizing: border-box;
	padding-left: 80px;
	padding-top: 60px;
}

.main_bottom .case_list li.even .txt {
	padding-right: 80px;
}

.main_bottom .case_list li .txt h4 {
	font-family: pingfangm;
	font-size: 36px;
	color: #333333;
	line-height: 96px;
}

.main_bottom .case_list li .txt .summary {
	font-family: pingfangr;
	font-size: 14px;
	color: #808080;
	line-height: 30px;
}

.main_bottom .case_list li .label:after {
	display: table;
	content: "";
	clear: both;
}

.main_bottom .case_list li .label {
	margin-bottom: 42px;
}

.main_bottom .case_list li .label p {
	display: block;
	font-family: pingfangr;
	font-size: 14px;
	color: #FFFFFF;
	height: 32px;
	line-height: 32px;
	padding: 0 15px;
	background-color: #009fe8;
	float: left;
	margin-right: 10px;
}

.main_bottom .case_list li .label a {
	display: block;
}

@media screen and (max-width: 1630px ) {
	.main_bottom .case_list li .txt {
		padding-top: 20px;
	}	
}

@media screen and (max-width: 1450px) {
	.main_bottom .case_list li .txt {
		width: 50%;
		padding-left: 20px;
		padding-right: 20px !important;
	}
	
	.main_bottom .case_list li .txt h4 {
		line-height: 56px;
	}
	
	.main_bottom .case_list li .label {
		margin-bottom: 20px;
	}
}

@media screen and (max-width: 550px) {
    
    .banner img {
        width: 150%;
        margin-left: -30%;
    }
    
	.main_bottom {
		padding: 20px 0px;
	}
	
	.main_bottom .case_list li {
		box-sizing: border-box;
		padding: 0 10px;
		margin-bottom: 20px;
		padding-bottom: 20px;
		border-bottom: 1px solid #CCCCCC;
	}
	
	.main_bottom .case_list li .pic,
	.main_bottom .case_list li .txt {
		width: 100%;
		float: none;
	}
	
	.main_bottom .case_list li .txt {
		padding-left: 0px;
		padding-right: 0px !important;
	}
	
	.main_bottom .case_list li .txt h4 {
		font-size: 26px;
	}
	
	.main_bottom .case_list li .label p {
		font-size: 12px;
	}
	
}