html, body{
	margin:0;
	padding:0;
}

* {
font-family: "Microsoft YaHei" ! important;
}

a {
	text-decoration:none;
}

.ltj_top{
    width:100%;
    height:100px;
    position:absolute;
    top:0;
    left:0;
}

.ltj_icon{
    width:180px;
    height:43px;
    margin-top:30px;
    margin-left:10%;
    float: left;	
}

.ltj_nav{
	width: 40%;
    height: 30px;
    float: right;
    padding-right: 5%;
    padding-top: 40px;
    color: #fff;
}

.ltj_nav a{
	color:#fff;
	text-decoration:none;
}

.ltj_nav div{
    font-size:16px;
    width:20%;
    line-height:30px;
    float: left;
    text-align:center;
    cursor:pointer;
}

.ltj_nav div:nth-child(1){
	border-bottom:3px solid #fff;
}

.ltj_current{
    color:#4497E0;
    border-bottom:3px solid #4497E0;
}

.banner{
	width:100%;
	background:#fff;
	background-size:cover;
	background-repeat:no-repeat;
}

.banner img{
	width:100%;
}

.solution_box{
	height: auto;
    width: 100%;
    background: url(../img/index_bg.png);
    background-size: cover;
    background-repeat: no-repeat;
}

.solution_button{
	height:200px;
	padding-top:100px;
    text-align:center;
    line-height:50px;
}

.solution_button span{
	font-size:20px;
}

.solution_btn{
	color:#fff;
	background:#000;
	width:15%;
	margin:0 auto;
	height:20px;
	line-height:20px;
	border-radius: 10px;
}

.index_btn{
	width: 1152px;
    height: 500px;
    margin: 0 auto;
    padding-top: 100px;
}

.index_btn_box{
	width: 160px;
    height: 300px;
    float: left;
    margin-right: 96px;
    text-align: center;
}

.index_btn_box div{
	width: 160px;
    height: 160px;
    background-size: cover;
    background-repeat: no-repeat;
	cursor:pointer;
}

.index_btn_box span:nth-child(2){
	font-size: 16px;
    line-height: 20px;
    padding-right: 28px;
}

.index_btn_box span:nth-child(4){
	font-size: 12px;
    line-height: 20px;
    padding-right: 28px;
    color: #aaa;
}

.index_btn_box a{
    height:160px;
    width:160px;
}
.e div{
	background:url(../img/e1.png);
}

.e div:hover{
	background:url(../img/e2.png);
}

.finance div{
	background:url(../img/finance1.png);
}

.finance div:hover{
	background:url(../img/finance2.png);
}

.crm div{
	background:url(../img/crm1.png);
}

.crm div:hover{
	background:url(../img/crm2.png);
}

.app div{
	background:url(../img/app1.png);
}

.app div:hover{
	background:url(../img/app2.png);
}

.bottom{
	width:70%;
	height:200px;
	margin:0 auto;
}

.about{
	width: 15%;
    padding-top: 30px;
    color: #999;
    line-height: 28px;
    float: left;
}

.about span{
	font-size:14px;
}

.about span:nth-child(1){
	font-size:16px;
	line-height:34px;
}

.about p{
	font-size:14px;
}

.technology{
	width: 15%;
    padding-top: 30px;
    color: #999;
    line-height: 28px;
    float: left;
}

.technology span{
	font-size:14px;
}

.technology span:nth-child(1){
	font-size:16px;
	line-height:34px;
}

.cooperation{
	width:30%;
	padding-top:30px;
	color:#999;
	line-height:28px;
	float:right;
}

.cooperation span{
	font-size:14px;
}

.cooperation span:nth-child(1){
	font-size:16px;
	line-height:34px;
}

.line{
	height:32px;
	width:100%;
	background:#000;
	text-align:center;
	color:#aaa;
	line-height:30px;
	font-size:14px;
}

.line a{
	color:#aaa;
}