*{margin: 0;padding: 0}
.main{padding:0.30rem;max-width: 750px;margin:0 auto 0.96rem;}
a{text-decoration: none}
.fl{float: left;}
.fr{float: right;}
.top{overflow: hidden;padding-bottom: 0.81rem}
.top-left{width: 1.9rem;height: 1.9rem;margin-right: 0.49rem}
.top-left img{width:100%}
.top-right p{font-size: 0.36rem;margin-bottom: 0.22rem;font-weight: bold}
.top-right p:last-of-type{margin-bottom: 0}
.top-right p span{font-size: 0.3rem;color: #676666;font-weight: normal;}

.tab{overflow: hidden;border-bottom: 0.01rem solid #D9D8DA;margin-bottom: 0.6rem}
.tab a{font-size:0.36rem;color: #CFD0D0;float: left;margin-right: 2.3rem;line-height: 0.76rem;font-weight: bold}
.tab a:last-of-type{margin-right:0;}
.tab a.active{color: #42C493;border-bottom: 0.04rem solid #42C493}

.intro h2{font-size: 0.32rem;color: #676666;text-align: center;position: relative;width: 1.52rem;margin:0.5rem auto;}
.intro h2:before,.intro h2:after{content:"";width: 0.43rem;height: 0.02rem;background: #676666;position: absolute;top:0.1rem;}
.intro h2:before{left:-0.45rem;}
.intro h2:after{right:-0.45rem;}
.intro p{color: #666;font-size: 0.28rem;margin-bottom: 0.17rem;text-align: justify;}
.intro h3{color: #000;font-size: 0.36rem;margin-bottom: 0.2rem}
.intro img{width: 6.65rem;height:9.54rem;margin:0 auto;}
.intro ul{overflow:hidden;}
.intro li{float: left;line-height: 0.3rem}
.intro img{height: auto;}
.intro .tag{overflow: hidden;padding-bottom: 0.27rem;margin-bottom:0.2rem;}
.intro .tag:first-of-type{border-bottom: 0.01rem solid #666; }
.intro .tag span{float: left;padding: 0.06rem 0.17rem;background: rgb(66,196,147);color:#fff;font-size: 0.3rem;margin-right: 0.5rem;border-radius: 0.8rem}

#quxue div{text-align: center;position: relative;}
.videoCover{height: auto;}

#thumbPlay{
    position: absolute;
    margin: auto;
    width: 10%;
    height: auto;
    right: 44%;
    top: 34%;
    left: auto;
}

.download{position: fixed;bottom: 0;left:0;height: 0.96rem;width:100%;background: rgb(176,250,222);}
.download img{width: 0.76rem;height: 0.76rem;float: left;margin-left: 0.29rem;margin-top:0.10rem;}
.download p{color: #42C493;font-size: 0.3rem;line-height: 0.96rem;margin-left: 0.26rem;float: left;}
.download i{float: right;width: 2.23rem;height:0.78rem;background: url(../img/btn_lijidakai_green.png);background-size: 100%;border:none;color: #fff;margin-top:0.18rem;margin-right: 0.2rem;font-size: 0.3rem;text-align: center;line-height: 0.6rem;font-style: normal;}
@media (min-width: 750px){
    html,body{
        font-size: 108px !important;
    }
}