.top-banner img {
	width: 100%
}
/*空中课堂*/
section.sectionBlock {
	text-align: center;
	height: 715px;
	background-color: #fff;
	padding-top: 70px;
}

section.sectionBlock#part2 {
	background: #f8f8f8;
}

section.sectionBlock>.text {
	font-size: 34px;
	color: #333333;
	display: inline-block;
	margin-bottom: 57px;
}

section.sectionBlock#part1>.text {
	margin-bottom: 30px;
}

section.sectionBlock>.text>span {
	color: #2fabff;
}

section.sectionBlock>.describeBox {
	width: 1140px;
	height: 519px;
	margin: 0 auto;
}
section#platform {
    text-align: center;
    overflow: hidden;
    background: #f8f8f8;
	padding-bottom: 30px;
}
section#platform .des {
    font-size: 34px;
    color: #333333;
    margin: 90px 80px;
}
section#platform .device {
    height: 164px;
    margin: 0 auto;
}
.device .deviceBox {
    display: inline-block;
    width: 134px;
    height: 100%;
	margin-right: 80px;
}
.device .deviceBox .icon {
    display: block;
    width: 100px;
    height: 100px;
    margin: 0 auto 20px;
}
.device .deviceBox img{
	width: 80px;
}
/*编程*/
.program,.en {
	width: 100%;
	padding: 50px 0;
}
.program .title,.en .title {
	background: url("../img/title_bg.png") center 16% no-repeat;
	text-align: center;
	width: 452px;
	margin: auto;
	background-size: 100% auto;
	
}

.program .title h1,.en .title h1 {
	color: #333333;
	font-size: 38px;
	line-height: 50px;
	font-weight: normal;
	letter-spacing: 0;
}

.program .title .bottom-en,.en .title .bottom-en {
	display: block;
	color: #CCCCCC;
	font-size: 18px;
	line-height: 24px;
	letter-spacing: 0;
}
.program ul{
	width: 1110px;
	margin: 0 auto;
	height: 600px;
}
.program ul li,.en ul li {
	float: left;
	text-align: center;
	vertical-align: top;
}
.program ul li h3,.en ul li h3 {
	font-weight: normal;
}

.program.why .title{
	background-position: center 43%;
}

.program.why ul,.en.en_adv ul {
	-webkit-box-sizing: border-box;
	box-sizing: border-box;
	
}
.program.why ul li{
	float: left;
	width: 298px;
	height: 295px;
	margin-right: 108px;
}
.program ul li.nr{
	margin-right: 0;
}
.program.why ul li img,.en.en_adv ul li img {
	height: 92px;
	width: auto;
	display: block;
	margin: 76px auto 32px;
}

.program.why ul li h3{
	color: #333333;
	font-size: 22px;
	padding-bottom: 6px;
	font-weight: bold;
}

.program.why ul li p{
	font-size: 15px;
	color: #666666;
	letter-spacing: 0.2px;
	line-height: 25px;
	text-align: left;
	margin-top: 10px;
}
.program.course,.en.en_course,.en.en_adv{
	background: #F8F8f8;
}
.program.course img,
.program.advantage img{
	display: block;
	width: 1200px;
	margin: 0 auto;
}
/*英语*/
.en .en_bottom{
	margin: 22px 0 72px 0;
	    font-size: 20px;
	    color: #999999;
	    font-weight: normal;
	    line-height: 20px;
}
.en.en_teac ul,.en.en_adv ul {
	width: 1110px;
	margin: auto;
}
.en.en_teac ul{
	height: 295px;
}
.en.en_teac ul li,.en.en_adv ul li{
	width: 298px;
	height: 295px;
	margin-right: 108px;
}
.en.en_teac ul li.nr,.en.en_adv ul li.nr{
	margin-right: 0;
}
.en.en_teac ul li h3,.en.en_adv ul li h3 {
	color: #333333;
	font-size: 22px;
	padding-bottom: 6px;
	font-weight: bold;
}
.en.en_teac ul li img,.en.en_adv ul li img {
	height: 92px;
	width: auto;
	display: block;
	margin: 76px auto 32px;
}
.orange{
	color: #FF6129;
}
.en.en_teac p,.en.en_adv ul li p{
	    width: 200px;
	    margin: 10px auto 0;
	    font-size: 16px;
	    color: #999999;
	    text-align: center;
	    line-height: 24px;
}
.en_course .en_course_img{
	width: 752px;
	margin: 0 auto;
}
.en.en_adv{
	background: #F8f8f8;
}
.en.en_adv ul{
	height: 600px;
}
.img_show{
	margin-top: 30px;
}
.en .device{
	width: 800px;
	height: 200px;
	margin:30px auto;
}
.en .device li{
	display: inline-block;
	width:120px;
	height: 196px;
	vertical-align: top;
	margin-right: 75px;
}
.device li img {
    height: 72px;
    margin: 0 auto;
}

.device li p {
    margin-top: 28px;
    font-size: 16px;
    color: #999;
    text-align: center;
    line-height: 24px;
}
.en .en_adv{
	background: ;
}