html,body{
	background: #F3F3F3;
}
.banner{
	background:#2A3243 ;
	height: 500px;
	background: #2A3243 url("https://img2.inke.cn/MTQ4NDc5MDg0NzI5OSMyMDEjanBn.jpg") no-repeat center center;
}
.banner>.img>img{
	width: 100%;
}
.index-content{
	background: #FFFFFF;
}
.index-content .content-box{
	width: 266px;
	height: 258px;
	float: left;
	margin-top: 58PX;
	margin-bottom: 100px;
}
.index-content .content-box:nth-child(1),.content-box:nth-child(2),.content-box:nth-child(3){
	margin-right: 30px;
}
.index-content .icon{
	width: 90px;
	height: 90px;
	margin: 0 auto;
	background: url(../images/icon-2.png);
}
.index-content .icon1{
	
	background: url(../images/sprite.png) -0px -0px no-repeat;
}
.index-content .icon2{
	
	background: url(../images/sprite.png) -270px  -0px no-repeat;
}
.index-content .icon3{
	
	background: url(../images/sprite.png) -90px  -0px no-repeat;
}
.index-content .icon4{
	
	background: url(../images/sprite.png) -180px -0px no-repeat;
}
.index-content .content-box > h3{
	text-align: center;
	font-family: PingFangSC-Light;
    font-size: 24px;
    color: #323335;
    line-height: 24px;
    margin: 20px 0;
}
.index-content .content-box>p{
	text-align: center;
	font-family: PingFangSC-Light;
    font-size: 14px;
    color: #9B9B9B;
    line-height: 24px;
}