body {
	margin: 0;
	background-color: #FFFFFF;
}
*{
	margin: 0;
	padding: 0;
	list-style: none;
    font-family:"微软雅黑";
}
img{ border:0;}

*, *:after, *:before { border-box;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}





.bottom_kong{
	float: left;
	height: 1.5rem;
	width: 100%;
	background-color: #326384;
	overflow: hidden;
}
.bottom_daohang{
	float: left;
	height: auto;
	width: 100%;
	background-color: #326384;
	overflow: hidden;
}
@media screen and (min-width:1200px)
{
	.daohang_a{
	float: left;
	height: auto;
	width: 50.5%;
	overflow: hidden;
	}
	.daohang_bc{
	float: left;
	height: auto;
	width: 49.5%;
	overflow: hidden;
	}
    .daohang_bt_left{
	float: left;
	height: auto;
	width: 100%;
	padding-top: 1.5rem;
	padding-bottom: 2rem;
	padding-left: 2rem;
	overflow: hidden;
    }
    .daohang_bt_middle{
	float: left;
	height: auto;
	width: 60%;
	padding-top: 1.5rem;
	padding-bottom: 2rem;
	padding-left: 2rem;
	overflow: hidden;
    }
	.daohang_bt_right{
	float: left;
	height: auto;
	width: 40%;
	padding-top: 1.5rem;
	padding-bottom: 2rem;
	overflow: hidden;
    }
}
@media screen and (min-width:720px) and (max-width:1200px)
{
	.daohang_a{
	float: left;
	height: auto;
	width: 100%;
	overflow: hidden;
	}
	.daohang_bc{
	float: left;
	height: auto;
	width: 100%;
	overflow: hidden;
	}
    .daohang_bt_left{
	float: left;
	height: auto;
	width: 100%;
	padding-top: 1.5rem;
	padding-bottom: 2rem;
	padding-left: 2rem;
	overflow: hidden;
    }
    .daohang_bt_middle{
	float: left;
	height: auto;
	width: 60%;
	padding-top: 1.5rem;
	padding-bottom: 2rem;
	padding-left: 2rem;
	overflow: hidden;
    }
	.daohang_bt_right{
	float: left;
	height: auto;
	width: 40%;
	padding-top: 1.5rem;
	padding-bottom: 2rem;
	overflow: hidden;
    }
}
@media screen and (max-width:720px)
{
	.daohang_a{
	float: left;
	height: auto;
	width: 100%;
	overflow: hidden;
	}
	.daohang_bc{
	float: left;
	height: auto;
	width: 100%;
	overflow: hidden;
	}
    .daohang_bt_left{
	float: left;
	height: auto;
	width: 100%;
	padding-top: 0.5rem;
	padding-bottom: 1rem;
	padding-left: 1rem;
	padding-right: 1rem;
	overflow: hidden;
    }
    .daohang_bt_middle{
	float: left;
	height: auto;
	width: 100%;
	padding-top: 0.5rem;
	padding-bottom: 1rem;
	padding-left: 1rem;
	padding-right: 1rem;
	overflow: hidden;
    }
	.daohang_bt_right{
	float: left;
	height: auto;
	width: 100%;
	padding-top: 0.5rem;
	padding-bottom: 2rem;
	overflow: hidden;
    }
}
.bt_title_a{
	font-weight: bold;
	font-size: 1.5rem;
	line-height: 2.5rem;
	color: #FFFFFF;
	display: block;
}
.bt_title_b1{
	font-size: 1.2rem;
	line-height: 2rem;
	color: #FFFFFF;
	display: block;
	border-bottom-width: thin;
	border-bottom-style: dashed;
	border-bottom-color: #FFFFFF;
	margin-bottom: 0.5rem;
	height: auto;
	width: 90%;
}
.bt_title_b2{
	font-size: 1.2rem;
	line-height: 2rem;
	color: #FFFFFF;
	display: block;
	border-bottom-width: thin;
	border-bottom-style: dashed;
	border-bottom-color: #FFFFFF;
	margin-bottom: 0.5rem;
	height: auto;
	width: 80%;
}
.bottom_menu{
	float: left;
	height: auto;
	width: 100%;
}
.bt_menu{
	font-size: 1rem;
	line-height: 1.5rem;
	color: #FFFFFF;
	margin-bottom: 0.5rem;
	float: left;
	margin-right: 1rem;
	text-decoration: none;
}
.bt_title_c{
	font-size: 1rem;
	line-height: 1.5rem;
	color: #FFFFFF;
	display: block;
	margin-bottom: 0.5rem;
	text-decoration: none;
}

.bt_online{
	float: left;
	height: auto;
	width: 55%;
	text-align: center;
}
.bt_contact{
	font-size: 1.2rem;
	display: block;
	height: auto;
	width: 100%;
	margin-right: auto;
	margin-left: auto;
	line-height: 2rem;
	margin-bottom: 0.5rem;
	color: #FFFFFF;
}
.bt_number{
	font-size: 1rem;
	display: block;
	height: auto;
	width: 100%;
	margin-right: auto;
	margin-left: auto;
	font-weight: bold;
	line-height: 2rem;
	margin-bottom: 1rem;
	color: #FFFFFF;
}
.bt_qq{
	font-size: 1rem;
	height: auto;
	width: auto;
	margin-right: auto;
	margin-left: auto;
	text-decoration: none;
	line-height: 2rem;
	background-color: #ffc841;
	font-weight: bold;
	padding-top: 0.5rem;
	padding-right: 1.8rem;
	padding-bottom: 0.5rem;
	padding-left: 1.8rem;
	border-radius: 5px;
	color: #FFFFFF;
	background-image: url(../img/qq.png);
	background-repeat: no-repeat;
	background-position: 1rem center;
	text-indent: 1.5rem;
}
.bt_qq:hover{
	background-color: #ff9900;
	text-decoration: none;
}
.bt_weixin{
	float: left;
	height: auto;
	width: 45%;
}
.bt_weixin img{
	height: auto;
	width: 80%;
	margin-right: auto;
	margin-left: auto;
}