.bg,
.mobile_bg,
.app {
	position: fixed;
	left: 0;
	top: 0;
	width: 100%;
	height: 100%;
}

/*
.bg {
	background: url(../img/index.png) center/cover;
}

.mobile_bg {
	background: url(../img/index_bg_mobile.png) center/cover;
}
*/

.bg_title{
	position: absolute;
	width: 880px;
	top: 100px;
	left: 50%;
	margin-left: -440px;
}
.bg_title img{
	width: 100%;
}
.app .navbar {
	background-color: rgba(255, 255, 255, 0);
}
.bg_info{
	margin-top: 100px;
}
.bg_info img{
	display: block;
	width: 83.3%;
	margin: 0 auto 20px;
}
.banner {
	margin-top: 450px;
	display: flex;
}

.bn_item {
	text-align: center;
	position: relative;
	flex: 1;
}

.bn_line {
	width: 1px;
	height: 50px;
	background-color: #fff;
	margin-top: 34px;
}

.mt5 {
	margin-top: 5px;
}

.mt7 {
	margin-top: 7px;
}

.bn_icon {
	display: block;
	margin: 0 auto;
}

.bn_num {
	font-size: 40px;
	color: #FFFFFF;
}

.bn_title {
	font-size: 16px;
	color: #FFFFFF;
}

.link {
	width: 454px;
	margin: 60px auto 0;
	display: flex;
	justify-content: space-between;
}

.link a {
	width: 194px;
	height: 51px;
	line-height: 51px;
	font-size: 20px;
	text-align: center;
}

.platform {
	color: #90520F;
	background: linear-gradient(90deg, #FFC334, #FDDD8F, #F2C344, #FFDE90);
}

.platform:hover {
	text-decoration: none;
    color: #90520F;
/*
	color: #fff;
	border: 1px solid #fff;
	background: none;
*/
}

.business {
	color: #fff;
	border: 1px solid #fff;
}

.business:hover {
	text-decoration: none;
    color: #fff;
/*
	color: #90520F;
	background: linear-gradient(90deg, #FFC334, #FDDD8F, #F2C344, #FFDE90);
	border: none;
*/
}

.copy_tag {
	width: 100%;
	height: 30px;
	line-height: 30px;
	font-size: 14px;
	color: rgba(255, 255, 255, .7);
	border-top: solid 1px rgba(255, 255, 255, .5);
	position: absolute;
	left: 0;
	bottom: 0;
	text-align: center;
}
.copy_tag a{
	margin-left: 10px;
	color: rgba(255, 255, 255, .7);
}
.copy_tag a:hover{
	text-decoration: none;
}
@media screen and (max-width:1024px){
	.bg_title{
		width: 600px;
		margin-left: -300px;
	}
}
@media screen and (max-width:768px) {
	.app .navbar {
		background-color: #D80015;
	}
	.banner{
		margin-top: 30px;
	}
	.bn_num {
		font-size: 24px;
	}

	.bn_title {
		font-size: 14px;
		color: #FFFFFF;
	}

	.link {
		width: 300px;
        margin: 30px auto 0; 
		position: absolute;
		left: 50%;
		margin-left: -150px;
/*		bottom: 120px;*/
	}

	.link a {
		width: 140px;
		height: 45px;
		line-height: 45px;
		font-size: 17px;
	}
}
@media screen and (min-width:520px) and (max-width:768px) {
	.bg_info img{
		display: block;
		width: 430px;
		margin: 0 auto 20px;
	}
}