/*商务合作20170612 */

html,body {
	font-family: "Microsoft YaHei";
	padding: 0;
	margin: 0;
	overflow-x: hidden;
}
a{
	text-decoration: none;
	color: #666;
}
*::-webkit-scrollbar{
	display: none;
}

.body_bg{
	background-image: url("../images/foot.png");
	background-repeat: no-repeat;
	background-size: contain;
	background-position: bottom left;
}
header{
	width: 100%;
    height: 1.5rem;
    background-color: rgba(255, 255, 255, 0.8);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 10;
}
.nav{
    width: 90%;
    height: 1.5rem;
    margin: 0 auto;
    position: relative;
}
.nav img{
    height: 1.1rem;
    margin: .2rem 0;
    display: inline-block;
}
.navBox{
    display: inline-block;
    width: 50%;
    height: 1.5rem;
    line-height: 1.5rem;
    vertical-align: top;
    text-align: right;
	list-style-type: none;
	padding-left: 10px;
	margin: 0;
}
.navBox li {
    display: inline-block;
    margin: 0 0 0 .5rem;
    text-align: center;
    color: #666;
    position: relative;
    -webkit-tap-highlight-color:rgba(0,0,0,0);
}
.cur::before{
    position: absolute;
    content: "";
    width: 0;
    height: 0;
    left: calc(50% - 4px);
    bottom: .25rem;
    border: 4px solid #403641;
    border-radius: 50%;
}
.yz-brief{
	display: none!important;
}
.home_container{
	width: 100%;
    margin: 1.5rem 0 1rem;
}
.flex{
	display: flex;
	justify-content: center;
	align-items: center;
}
.flexItem{
	flex: 1;
	text-align: center;
}
.briefBox{
	width: 90%;
	background: url("../images/content-bg.png") no-repeat;
	background-size: contain;
	margin: 1rem auto 0;
}
.brief{
	width: 100%;
	text-align: left;
}
.subtitle{
	height: 1rem;
}
.briefImg{
	width: 90%;
	margin: 0 auto;
}
.briefTxt{
	font-size: 12px;
	color: #403641;
	width: 95%;
}
.service{
	width: 90%;
	padding-top: 1rem;
	margin: .5rem auto;
}
.service .subtitle{
	margin-bottom: .5rem;
}
.center{
	text-align: center;
}
.footer{
    width: 100%;
    line-height: .5rem;
    color: #fff;
    padding: 1rem 0;
}
.footer a{
	color: #fff;
}
@media only screen and (min-width: 750px){
	.body_bg{
		background-size: 50%;
		background-position: bottom left;
	}
	header{
	    height: 60px;
		box-shadow: 0 0 10px #f1f1f1;
	}
	.nav{
	    height: 60px;
		font-size: 0;
	}
	.nav img{
	    height: 50px;
	    margin: 5px 0;
	}
	.navBox{
	    width: calc(100% - 200px);
	    height: 60px;
	    line-height: 60px;
	}
	.navBox li {
	    font-size: 14px;
	}
	.navBox li.cur {
	    font-weight: bold;
	}
	.cur::before{
	    bottom: 10px;
	}
	.yz-brief{
		display: inline-block!important;
	}
	.home_container{
		margin: 0;
	}
	.briefBox{
		width: 60%;
		padding: 0 10%;
		margin: 50px auto 0;
	}
	.brief{
		width: 100%;
		padding-right: 50px;
	}
	.subtitle{
		height: 50px;
	}
	.briefImg{
		width: 80%;
		padding: 20px 0;
	}
	.briefTxt{
		font-size: 14px;
	}
	.service{
		padding-top: 50px;
		margin: 0 auto;
		width: 40%;
	}
	.service .subtitle{
		margin-bottom: 20px;
	}
	.footer{
	    line-height: 25px;
	    padding: 50px 0 20px;
	}
	.footer{
	    color: #403641;
	}
	.footer a{
		color: #403641;
	}
}