.top1{
    width: 100%;
    text-align: center;
    height: 340px;
    background: #0080c9;
}

.top2{
    width: 100%;
    height: 160px;
    text-align: center;
    background: #d4e5e7;
}
.box1 {
    margin-top: 56px;
}
.box1 h1 {
    font-size: 26px;
    font-weight: bold;
    text-align: center;
    font-family: "微软雅黑";
    padding-bottom: 10px;
    margin-bottom: 44px;
    border-bottom: 2px solid #d8d8d8;
    background: url(../images/bd.png) no-repeat center bottom;
}
.video{
	text-align: center;
}
.box1 span {
    display: block;
    text-align: center;
    font-size: 24px;
    font-family: "微软雅黑";
    color: #646464;
    line-height: 36px;
}
.box1 ul {
    overflow: hidden;
    width: 1180px;
    height: 380px;
    margin: 0 auto;
}
.box1 ul li {
    float: left;
    height: 271px;
    margin-right: 32px;
}

.box1 a {
    display: block;
    width: 271px;
    height: 46px;
    margin: 0 auto;
    margin-top: 36px;
    margin-bottom: 56px;
    background: url(../images/num1_bg.png) no-repeat;
    text-align: center;
    line-height: 46px;
    font-family: "微软雅黑";
    font-size: 16px;
    color: #00bcd6;
}
.box1 ul li a {
    margin: 0;
    height: 380px;
    display: block;
}
.box1 ul li.none {
    display: block;
    margin-right: 0;
}
.box2 {
    padding-top: 52px;
    background: #f7f7f7;
}
.box1 ul{
	margin-top: 40px;
	padding-bottom: 56px;
}
.img{
	text-align: center;
}
.box4_1{
	margin-top: 46px;
}
.box4_1 h1{
	font-size: 24px;
	font-family: "微软雅黑";
	color: #646464;
	text-align: center;
	width: 1180px;
	height: 66px;
	text-align: center;
	line-height: 66px;
	border-bottom: none;
	padding-bottom: 0;
	margin: 0 auto;
	background: url(../images/box_3_bg.png) no-repeat 0;
}
.box4_img{
	width: 1180px;
	margin: 0 auto;
	text-align: center;
	position: relative;
	text-align: center;
}
.box4_img .spc_img{
	position: absolute;
	top: 0;
	margin-top: 16px;
	left: 454px;
}
.box3{
	margin-top: 40px;
}
.box3 ul{
	height: auto;
	width: 1020px;
}
.box3 ul li{
	height: 74px;
	margin-bottom: 30px;
}