.bg{
	background: url(div3326/bg.png) no-repeat;
	height: 253px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    	color: #FFFFFF;
}
.text1 p {
    line-height: 30px;
    padding: 0;
    text-align: justify;
}
.bg h1{
		height: 43px;
	font-size: 40px;
	font-family: Microsoft YaHei UI;
	font-weight: bold;

	line-height: 46px;
}
.buy_box{

width: 100%;

height: 140px;

background: #fff;

margin: -20px auto 0;

box-shadow: 0 7px 24px rgba(0, 0, 0, 0.38);

border-radius: 10px;

/* flex-direction: row; */

justify-content: space-between;

align-items: center;

display: flex;
}
.b_l{

width: 604px;

margin-left: 42px;

display: flex;

flex-wrap: wrap;
}
.b_l div span{
	display:inline-block;
	margin-right:20px
}
.b_l div span b{
	color: #ED3200;
}
.b_l div{
	width:50%;
	height: 40px;
	line-height: 40px;
}
.lef_price_old{
width: 30% !important;
height: 18px;
font-size: 24px;
font-family: Microsoft YaHei UI;
font-weight: 400;
text-decoration: line-through;
color: #777777;
line-height: 46px;
}
.lef_price{

width: 30% !important;

height: 23px;

font-size: 30px;

font-family: Microsoft YaHei UI;

font-weight: bold;

color: #ED3200;

line-height: 46px;
}
.container{
	width: 1200px;
	margin: auto;
}
.b_r{width: 250px;height: 60px;line-height: 60px;background: #ed3200;color: #fff;text-align: center;border-radius: 50px;font-size: 24px;font-weight: bold;cursor: pointer;margin-right: 42px;}
.nav{
	border-bottom: 1px solid #fff;
	height: 60px;
	width: 100%;
	justify-content: center;
	align-items: center;
	display: flex;
	position: relative;
	margin-top: 50px;
}
.nav div.select:after{
	content:'';
	height: 4px;
	width:62px;
	background:#ED3200;
	display:block;
	margin: 0 30px;
	border-radius: 4px;
	margin-top: 10px;
	position: absolute;
	bottom: 0;
}
.nav div{
	width:130px;
	text-align: center;
	cursor: pointer;
	height: 40px;
	position: relative;
}
.nav:after{
    position: absolute;
    display: block;
    content: '';
    width: 100%;
    height: 1px;
    margin-top: 0;
    bottom: 9px;
    background-image: linear-gradient(to right,#f7f7f7, rgba(0, 0, 0, 0.1),#f7f7f7);
}
.text1{

display: flex;

justify-content: space-between;

align-items: center;

/* flex-direction: column; */
}
.text1 .r{width: 172px;text-align: center;margin-right: 80px;line-height: 2;}
.text1 .r img{
	width:172px;
	height: 172px;
	border-radius:50%;
	margin-top: 80px;
	border: 6px solid #fff;
}	
.l{

margin-left: 42px;

width: 730px;

margin-top: 70px;
}
.video_btn{

width: 140px;

height: 36px;

background: url(div3326/icons.png) no-repeat #ED3200 16px 4px/ 28px;

color: #fff;

text-align: center;

line-height: 36px;

float: right;

padding-left: 20px;

cursor: pointer;

margin-top: 20px;
}
.flex_box ul li p{
	padding-left:40px;
	margin-bottom:40px;
	width: 700px;
	font-size: 18px;
	color: #4A4A4A;
}
.flex_box ul li h4{background:url(div3326/i.png) no-repeat;padding-left:40px;height: 50px;font-size: 24px;font-family: Microsoft YaHei UI;font-weight: 400;color: #171616;}
.achieved{

}

.text1 h2{height: 31px;font-size: 30px;font-family: Microsoft YaHei UI;font-weight: 400;color: #171616;height: 60px;}
.p{

}
.flex_box{

display: flex;

justify-content: space-between;

align-items: center;

margin-top: 40px;
}
.flex_box img{
	margin-right:42px;
	margin-bottom: 100px;
}
.flex_l,
.flex_box ul{
	margin-left:42px;
	margin-bottom: 50px;
}
.flex_l h4{
    padding-left: 40px;
    height: 50px;
    font-size: 24px;
    font-family: Microsoft YaHei UI;
    font-weight: 400;
    color: #171616;
}
.flex_l h4.t1{
	background: url(div3326/1.png) no-repeat;
}
.flex_l h4.t2{
	background: url(div3326/2.png) no-repeat;
}
.flex_l p b{
	color:#000;
}
.flex2 p{
	margin-bottom:40px;
}
.flex_l p{
	
font-size: 18px;
	
font-family: Microsoft YaHei UI;
	
font-weight: 400;
	
color: #4A4A4A;
	
padding: 10px 0 0 40px;
	
max-width: 700px;
}
.h2+p{
	width: fit-content;
	text-align:center;
	/* position: absolute; */
	border: 1px solid rgba(95, 95, 95, 0.32);
	margin: auto;
	padding: 0 30px;
	line-height: 30px;
}

.h2{

font-size: 30px;

font-weight: bold;

color: #171616;

text-align: center;

margin-top: 80px;

line-height: 2;
}
.text1 .r:hover img{
border: 6px solid #FFD9B3;
}
.support div{
	margin-top: 40px;
	font-size: 24px;
}
.support img{
	margin-bottom: 100px;
}

/**/

.c_chapters{
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 50px 0 350px;
}
.c_chapters div{
	    height: 740px;
    width: 1px;
    background: #e6e6e6;
}
.c_about,.c_rating,.c_chapters{
	padding-bottom: 350px
}
/**/
.c_rating{
	    display: flex;
	    justify-content: space-around;
	    align-items: flex-start;
	    padding: 50px 0;
	    flex-direction: row-reverse;
	    margin-bottom: 300px;
}
.rcon {
	width:300px;
}
.star_container{
	width: 280px;
	height: 178px;
	background: #E6E6E6;
	border-radius: 5px;
	display: flex;
	flex-direction: column;
	place-content: center;
	place-items: center;
	position: relative;
}
.star_container .p2{
	position: absolute;
	right: 15px;
	top: 42px;
	width: 70px;
	height: 20px;
	font-size: 14px;
	font-family: Microsoft YaHei;
	font-weight: 400;
	color: #171616;
	line-height: 24px;
	}
.star_container .p3{
	width: 62px;
	height: 23px;
	font-size: 30px;
	font-family: Microsoft YaHei;
	font-weight: bold;
	color: #ED3200;
	line-height: 24px;
	margin-bottom: 10px;
}
.star_container .p1{width: 96px;height: 25px;font-size: 24px;font-family: Microsoft YaHei;font-weight: bold;color: #171616;line-height: 24px;margin: 10px;}
.st_co{
display: flex;
}
.star{
	width: 32px;
	height: 32px;
	background: url(div3326/star_y.png) no-repeat;
	margin: 3px;
}
.r_teacher+p{
	text-align: justify;
	width: 280px;
}
.r_teacher{display: flex;justify-content: end;align-items: center;width: 280px;height: 140px;margin-top: 20px;}
.r_teacher img{
	width: 120px;
	height: 120px;
	border-radius:50%;
	border: 6px solid #fff;
	margin-right: 10px;
}
.r_name{
	height: 44px;
	font-size: 18px;
	font-family: Microsoft YaHei UI;
	font-weight: bold;
	color: #ED3200;
	line-height: 46px;
}
.r_name+p{
	font-size:12px;
}
.lcon{
	width:800px;
}
.lcon div{
	display:flex;
	flex-wrap: wrap;
	width: 700px;
	align-items: center;
	padding: 20px 0;
}
.lcon img{
	width: 60px;
	height: 60px;
	border-radius: 50%;
	margin-right: 20px;
	border: 1px solid #C6C6C6;
	margin-bottom: 20px;
	margin-top: 20px;
}
.lcon li{
	display: flex;
	justify-content: center;
	border-bottom: 1px solid RGBA(211, 211, 211, 1);
}
.nickname{width: 55%;font-weight: bold;margin-bottom: 5px;}
.time{width: 44%;text-align: right;font-size: 16px;font-family: Microsoft YaHei UI;font-weight: 400;color: #797979;line-height: 24px;}
.time+p{
	font-size: 16px;
	font-weight: 400;
	color: #4A4A4A;
	line-height: 24px;
	margin-bottom: 20px;
	width: 700px;
	margin-top: 20px;
}
@media screen and (max-width: 480px) {
	.text1 p{padding: 10px;}
	.container{
		width:100%;
	}
	.bg h1{
		font-size: 18px;
	}
	.bg p{
		font-size: 14px;
		text-align:center;
	}
	.b_l{
		margin-left:10px;
	}
	.lef_price_old{
		display:none;
	}
	.b_l div{
		font-size:12px;
		line-height:1.5;
		width:100%;
		height:20px;
	}
	.b_r{
		margin-right:10px;
		font-size: 12px;
		height:40px;
		line-height:40px;
		font-weight: 400;
	}
	div.lef_price,.flex_box ul li h4{
		font-size:18px;
		height: 34px;
		line-height: 34px;
	}
	.l{
		width:100%;
		padding: 10px;
		margin: 0;
	}
	.text1 h2{
		font-size:20px;
		margin: 0 10px 0 10px;
	}
	.video_btn{
		margin:10px auto;
		float:none;
	}
	.text1 .r{
		margin:0;
	}
	.h2{
		font-size:24px;
	}
	.flex_l, .flex_box ul{
		margin-left:10px;
		margin-bottom: 0;
	}
	.flex_box ul li p{
		width: 82%;
		text-align: justify;
		padding-right: 10px;
	}
	.flex_box{
		flex-direction: column;
	}
	.text1 {
    flex-direction: column;
	}
	img{
		display:block;
		margin:auto;
		max-width:100%;
	}
	.flex_l h4{
		font-size:18px;
		height: 36px;
	}
	.flex_l p{
		margin-left:10px;
		margin-bottom:10px;
	}
	.support div{
		font-size:18px;
		text-align:center;
	}
	.c_chapters{
		flex-direction: column;
	}
	.c_chapters div{display: none;}
	.rcon {
	width: 90%;
	margin:auto;
	}
	.c_rating {
    display: block;
    justify-content: space-around;
    align-items: flex-start;
    padding: 50px 0;
    flex-direction: row-reverse;
	}
	.time+p{
		width:80%;
	}
	.lcon div{
		width: 79%;
	}
	.time{
		width: 40%;
		font-size: 14px;
		margin-right: 4%;
	}
	.lcon{
		width:100%;
	}
	.lcon li{
	display: flex;
	justify-content: center;
	border-bottom: 1px solid rgba(211, 211, 211, 1);
	}
	.lcon img{
		width: 36px;
    height: 36px;
	}
	.star_container,.r_teacher,.r_teacher+p{
		width:100%;
	}
	.r_teacher+p{
		margin-bottom:50px;
	}
	.buy_box{
		position:fixed;
		bottom:-20px;
		z-index: 99;
	}
	.nav{
		background:#fff;
		position:fixed;
		top:0px;
		margin:0;
		z-index: 99;
	}
	.text1 p{
		padding:10px;
	}
}