.banner{
	height: 424px;
	background: url(../icons/yfhqBanner.png) no-repeat center/cover;
	padding-top: 150px;
	box-sizing: border-box;
	color:#323232
}
.banner.banner2{
	background: url(../icons/ddosBanner.png) no-repeat center/cover;
}
.banner.banner3{
	background: url(../icons/bljBanner.jpg) no-repeat center/cover;
}
.banner.banner4{
	background: url(../icons/fzjhBanner.jpg) no-repeat center/cover;
}
.banner .tit{
	font-size: 40px;
	line-height: 56px;
	height: 56px;
}
.banner .des{
	margin: 8px 0 20px;
	font-size: 16px;
	line-height: 22px;
	width: 700px;
}
.banner .btn{
	width: 140px;
	color: #fff;
	height: 40px;
	line-height: 40px;
	background-color: #00a4ff;
	display: inline-block;
	text-align: center;
	font-size: 14px;
	cursor: pointer;
}
.block1{
	background-color: #f7f8fa;
	padding: 45px 0 50px;
}
.block1 .tit{
	font-size: 18px;
	color: #333;
	margin: 0;
	padding: 0;
	line-height: 1.5;
}
.block1 .des{
	font-size: 14px;
	color: #666;
	margin-top: 20px;
	line-height: 1.7;
	word-wrap: break-word;
}
.pub_tit{
	color: #000;
	font-weight: 400;
	line-height: 46px;
	font-size: 24px;
	text-align: center;
}
.block2{
	padding: 45px 0 50px;
}
.block2 ul{
	display: flex;
	justify-content: space-between;
	margin-top: 30px;
}
.block2 ul li{
	margin-right: 40px;
	flex: 1;
	display: flex;
	flex-direction: column;
	align-items: center;
	padding: 20px 0;
}
.block2 ul li:last-child{
	margin-right: 0;
}
.block2 ul li .tit{
	font-size: 18px;
	color: #333;
	line-height: 1.5;
	margin: 20px 0 10px;
}
.block2 ul li .des{
	font-size: 14px;
	color: #666;
	line-height: 1.7;
	word-wrap: break-word;
}
.block3{
	background-color: #f7f8fa;
	/* padding: 45px 0 50px */
}
.block3 .tab_box{
	margin-top: 30px;
}
.block3 .tab_tit{
	border-bottom: #e5e5e5 2px solid;
	position: relative;
	text-align: center;
	margin-bottom: 40px;
}
.block3 .tab_tit li{
	border: 0;
	position: relative;
	min-width: 105px;
	margin-right: 10px;
	margin-left: 10px;
	color: #333;
	font-size: 18px;
	display: inline-block;
	padding: 10px 30px;
	cursor: pointer;
}
.block3 .tab_tit li.cur,.block3 .tab_tit li:hover{
	color: #00a4ff;
}
.block3 .tab_tit li.cur:after{
	content: '';
	position: absolute;
	height: 2px;
	bottom: -2px;
	width: 100%;
	left: 0;
	right: 0;
	background: #00a4ff;
	z-index: 1;
}
.block3 .tab_con{
	max-width: 830px;
	margin: 0 auto;
}
.block3 .tab_con .list{
	display: none;
}
.block3 .tab_con .text{
	font-size: 14px;
	color: #666;
	line-height: 1.5;
}
.block3 .tab_con img{
	margin-top: 40px;
}
.block3 .pub_tit{
	position: absolute;
	top: 45px;
	left: 0;
	width: 100%;
}