body{background-color: #F9F9F9;}
.index_top{
	position:fixed;
	z-index: 12;
	top: 0;
	width: 100%;
	background-color: #FFFFFF;
}
.ma_top{
	height: 100px;
}
.mb2_nav_box{
	height: 50px;
}
.mb2_nav{
	position: relative;
	line-height: 50px;
}
.mb2_nav a{display: block;}
.nav_erji{
	position: absolute;
	left: 0;
	top: 50px;
	background-color: #007AFF;
	color: #FFFFFF;
	margin: 0;
	display: none;
	padding: 0;
}
.fs18{
	font-size: 18px;
} 
.c333{
	color: #333333;
}
.banner_img img{width: 100%;}
.mb_mk6_box{
	position: relative;
	width: 100%;
	z-index: 2;
	height: auto;
	min-height: 462px;
}
.mb_mk6_bg{
	position: absolute;
	left: auto;
	top:0;
	width: 100%;
	height: 100%;
	z-index: -1;
	overflow: hidden;
}
.mb_mk6_bg img{
	width:100%;
	height: auto;
}
.mb_mk6_cont{
	width:50%;	
	margin-top: 120px;
}
.line30{
	line-height: 30px;
}
.mb_mk6_btn{
	background: #FFFFFF;
	display: inline-block;
	padding: 10px 40px;
	border-radius: 20px;
	color: #333333;
	margin-top: 20px;
}
.logo_img,.logo_img img{
	height: 50px;
	border-radius: 100%;
	-moz-border-radius: 100%;
	-webkit-border-radius: 100%;
	
}

/* 添加用于服务列表项对齐的样式 */
.service-item {
	display: flex;
	flex-direction: column;
	height: 100%;
	min-height: 250px;
	justify-content: space-between;
	align-items: stretch;
}

.service-item h4 {
	flex-grow: 0;
	margin-top: 0;
}

.service-item .fs14 {
	flex-grow: 1;
}

/* 确保第一行的服务项与标题保持适当距离 */
.container .col-xs-4:first-child {
	margin-top: 0;
}