*{
    margin:0;
    padding:0;
    border:none;
    font-family:"微软雅黑", "Arial";
    text-decoration:none;
    text-shadow:none;
    line-height:100%;
	box-sizing:border-box;
	-moz-box-sizing:border-box;
	-webkit-box-sizing:border-box;
}
.ui-loader{
    display:none;
}
p.center {
    text-align:center;
}
a, label{
	cursor:pointer;
	color:#000;
}
body{
	background:#fff;
}
.container{
    overflow-x:hidden;
    padding:0 32px 0;
    width:100%;
    max-width:640px;
    min-width:280px;
    margin:0 auto 64px;
	background:#fff;
}
section{
    padding:16px 0 0;
}
section > h1{
    width:144px;
    padding:6px 0 6px 8px;
    background:#333;
    color:#fff;
    font-size:16px;
    letter-spacing:8px;
    text-align:center;
    border-radius:12px;
    margin:32px auto 32px;
}
section > h2{
    color:#333;
    text-align:center;
    font-size:16px;
    margin:32px 0 16px 0;
    line-height:200%;
}
p{
    color:#333;
    font-size:14px;
    margin:32px 0 32px 0;
    line-height:200%;
    color:#333;
    text-align:center;
}
.title + .description{
    margin:-16px 0 32px;
}
.container > *, .pages img{
    margin: 0 0 16px 0;
    display:block;
}
.container div.title{
    background:#fff;
    width:100%
    position:relative;
}
.courses img{
    margin-bottom:16px;
}
/*
#speech .sliders img{
    width:140px;
}
.sliders{
    position:relative;
    left:-32px;
    white-space:nowrap;
    font-size:0;
    overflow-x: scroll;
}
.sliders .slider{
    display:inline-block;
    vertical-align:top;
    margin-right:16px;
}
.sliders .slider:first-child{
    margin-left:32px;
}
*/

.tab_box .pages{
    position:relative;
    white-space:nowrap;
    font-size:0;/*去除inline-block造成的间距*/
}
.tab_box .page{
    position:relative;
    display:inline-block;
    vertical-align:top;
    
}
.tab_box .page > *{
    display:block;
}


.tab_box .tab{
    margin:0px auto 0px;
    text-align:center;
    cursor:pointer;
}
.tab_box .tab p{
    display:inline-block;
    font-size:14px;
    font-weight:bold;
    padding:0 12px;
    line-height:40px;
    margin:-13px 0 0;
    color:rgba(51,51,51,0.35);
}
.tab_box .tab p.active{
    color:rgba(51,51,51,1);
}
.container img{
    width:100%;
}
.container video{
    border-radius:16px;
}

.btn_bottom{
    z-index:2;
	display:block;
	position:fixed;
    margin:0;
	bottom:0;
	left:0;
	height:48px;
	text-align:center;
	width:100%;
	color:#fff;
	background:#19DDCB;
	font-weight:bold;
	font-size:16px;
	line-height:48px;
	box-shadow:0 8px 16px #19DDCB;
}
.bar #result{
	display:none;
}
.bar #result img{
	display:none;
	height:64px;
}
.bar #result img.correct{
	background:#51F1A4;
}
.bar #result img.wrong{
	background:#F42942;
}
.logo {
	clear:both;
	text-align:center;
	margin:32px 0 32px;
}
.logo .line{
	margin:0 16px 0;
    background-color:rgba(0,0,0,0.1);/*LOGO线条色*/
	position:relative;
	top:8px;
}
.logo .title{
	display:inline-block;
	background:#fff;
	padding:0 16px 0;
	position:relative;
	height:16px;
}
.logo .title img{
	display:inline-block;
	margin:0 auto 0;
	height:100%;
}
.logo a.title{
	display:inline;
	top:-2px;
	font-size:12px;
	color:rgba(0,0,0,0.35);
	font-weight:normal;
}
.card{
    border-radius:16px;
    box-shadow: 0px 16px 32px #e5e5e5;
}
#footer p{
    font-size:12px;
    color:rgba(0,0,0,0.35);
}