body, div, p, ul, li, span {
    margin: 0;
    padding: 0;
    list-style: none;
    font-family: STHeiti, "Microsoft YaHei";
    -webkit-font-smoothing: antialiased;
}
html,body{ width:100%; height:100%;}
body{
	min-width: 1200px;
	min-height: 630px;
}
.footer {padding:50px 0;line-height:20px;font-size:14px;text-align:center;position: absolute;width: 100%;bottom: 0;background-color: #2d2e30;}
.footer .cr {color:#fff;}

.section-wrap{width:100%; height:100%; overflow:visible;
transition:transform 1s cubic-bezier(0.86,0,0.03,1);
-webkit-transition:-webkit-transform 1s cubic-bezier(0.86,0,0.03,1);
-ms-transition:-ms-transform 1s cubic-bezier(0.86,0,0.03,1);
-moz-transition:-moz-transform 1s cubic-bezier(0.86,0,0.03,1);
-o-transition:-o-transform 1s cubic-bezier(0.86,0,0.03,1);}
.section-wrap .section{ position:relative; width:100%; height:100%; background-position:center center; background-repeat:no-repeat;}
.section-wrap .section-1{ background: #8Fdbd2;
display: flex;justify-content: center;}
.section-wrap .section-2{ background: #f2f2f2;

}
.section-wrap .section-3{
	height: 120px;
}
.flash-right {
    position: relative;
    width: 310px;
    height: 100%;
}
.iphone {
    background: url(../images/app-teacher/iphone-big-image.png) no-repeat;
    width: 269px;
    height: 575px;
    position: absolute;
    left: 0px;
    top: 38px;
    z-index: 3;
}
.iphone-display-box {
    width: 238px;
    height: 426px;
    overflow: hidden;
    position: absolute;
    left: 18px;
    top: 116px;
    z-index: 4;
}
.iphone-display {
    width:238px;
    height:426px;
    overflow:hidden;
    opacity:0;
    position:absolute;
}
#iphone-display-1 {
    background:url(../images/app-manager/iphone_img1.png) 0 0 no-repeat;
}
#iphone-display-2 {
    background:url(../images/app-manager/iphone_img2.png) 0 0 no-repeat;
}
.flash-left{
	display: flex;
	flex-direction: column;
	margin-right: 120px;
	padding-top: 80px;
}
.flash-left .logo{
	display: flex;
	align-items: center;
}
.flash-left .logo .banner-title {
    font-size: 42px;
    color: #fff;
    padding: 6px 0 0 6px;
    margin-left: 5px;
}
.flash-left .text{
    padding-top: 20px;
    color: #fff;
    font-size: 26px;
    line-height: 40px;
}
.flash-left .download{
	display: flex;
	align-items: flex-start;
	justify-content: space-between;
	margin-top: 24px;
}
.flash-left .download img{
	margin-right: 40px;
}
.buttons{
	display: flex;
	align-items: center;
	flex-direction: column;
	position: relative;
}
.buttons .btn {
    font-size: 18px;
    position: relative;
    z-index: 2;
    color: #fff;
    width: 246px;
    height: 52px;
    background: #8FDBD2;
    border: 1px solid #fff;
    line-height: 52px;
    text-align: center;
    border-radius: 38px;
    margin-bottom: 14px;
    display: flex;
    justify-content: center;
    text-decoration: none;
}
.buttons .btn i{
	font-size: 35px;
	margin-right: 12px;
}
.weixin-qrcode-wrap {
    width: 200px;
    height: 200px;
    position: absolute;
    top: 133px;
    right: 30px;
    display: none;
    z-index: 1000;
}
.gbma-t {
    position: absolute;
    top: -40px;
    left: 80px;
    width: 0;
    height: 0;
    font-size: 0;
    border: 20px dashed transparent;
    border-bottom: 20px solid #fff;
}
.weixin-qrcode {
    border-radius: 5px;
    width: 100%;
    height: 100%;
}
.bottom {
    width: 100%;
    height: 89px;
    position: absolute;
    bottom: 0;
    left: 0;
    background: url(../images/app-manager/s1cloud.png) center 0 no-repeat;
}
.cloud2 {
    position: absolute;
    z-index: 1;
    width: 78px;
    height: 60px;
    top: 100px;
    right: 100px;
    background: url(../images/app-manager/cloud2.png) 0 0 no-repeat;
}
.newswrap {
    width: 100%;
    min-height: 600px;
    background-color: #f2f2f2;
    position: relative;
}