.wrapper{
    background: #FBFBFB;
    overflow: hidden;
    margin-top: -60px;
    position: relative;
}
.wrapper::before{
    content: "";
    display: block;
    width: 100%;
    height: 318px;
    background: -webkit-gradient(linear, left bottom, left top, from(#FBFBFB), to(#FFFFFF));
    background: -webkit-linear-gradient(bottom, #FBFBFB 0%, #FFFFFF 100%);
    background: -moz-linear-gradient(bottom, #FBFBFB 0%, #FFFFFF 100%);
    background: -o-linear-gradient(bottom, #FBFBFB 0%, #FFFFFF 100%);
    background: linear-gradient(360deg, #FBFBFB 0%, #FFFFFF 100%);
    position:absolute;
}
.container{
    width: 1000px;
    margin: 120px auto 50px;
    position: relative;
}
.side{
    width: 214px;
    float: left;
}
.side dl{
    width: 100%;
    text-align: center;
    background: #fff;
    -webkit-box-shadow: 18px 18px 40px 0px rgba(46, 145, 195, 0.04);
            box-shadow: 18px 18px 40px 0px rgba(46, 145, 195, 0.04);
    border-radius: 8px;
    padding-bottom: 6px;
}
.side dl dt{
    line-height: 74px;
    font-weight: bold;
    font-size: 16px;
    color: #000000;
}
.side dl dt span{
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-orient: horizontal;
    -webkit-box-direction: normal;
    -webkit-flex-direction: row;
       -moz-box-orient: horizontal;
       -moz-box-direction: normal;
        -ms-flex-direction: row;
            flex-direction: row;
    -webkit-box-align: center;
    -webkit-align-items: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    -webkit-box-pack: center;
    -webkit-justify-content: center;
       -moz-box-pack: center;
        -ms-flex-pack: center;
            justify-content: center;
}
.side dl dt span::before{
    content: "";
    width: 18px;
    height: 18px;
    background: url(../images/icon_classification.png);
    -o-background-size: 100%;
       background-size: 100%;
    margin-right: 4px;
}
.side dl dd{
    line-height: 50px;
    margin-bottom: 20px;
    font-size: 16px;
    color: #000;
    position: relative;
    cursor: pointer;
}
.side dl dd span{
    position: relative;
    display: inline-block;
}
.side dl dd span span{
    position:absolute;
    left: -webkit-calc(100% + 7px);
    left: -moz-calc(100% + 7px);
    left: calc(100% + 7px);
    top: 0;
    display: none;
}
.side dl dd.current span span{
    display: block;
}
.side dl dd.current  span{
    color: #00A9FF;
}
.side dl dd.current::before{
    content: "";
    width: -webkit-calc(100% - 38px + 20px);
    width: -moz-calc(100% - 38px + 20px);
    width: calc(100% - 38px + 20px);
    height: 100%;
    position: absolute;
    left: 38px;
    border-radius: 25px 0 0 25px;
    -webkit-box-shadow: inset 18px 18px 40px 0 rgba(46,145,195,0.04);
            box-shadow: inset 18px 18px 40px 0 rgba(46,145,195,0.04);
    background: #FBFBFB;
}
.main{
    width: 776px;
    float: right;
}
.radio{
    width: 170px;
    margin: 0 0 20px 24px;
    float: left;
}
.radio .cover{
    width: 170px;
    height: 170px;
    border-radius: 8px;
    position: relative;
    overflow: hidden;
    margin-bottom: 8px;
    cursor: pointer;
}
.radio .cover img{
    width: 100%;
    height: 100%;
    -webkit-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    transition: all 0.2s ease;
}
.radio .cover .playnum{
    font-size: 12px;
    font-weight: 500;
    color: #FFFFFF;
    line-height: 20px;
    position: absolute;
    right: 0;
    bottom: 0;
    padding: 2px 7px 1px 8px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -moz-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
       -moz-box-align: center;
        -ms-flex-align: center;
            align-items: center;
    background: rgba(75, 84, 91, 0.3);
    border-radius: 35px 25px 25px 35px;
    -webkit-backdrop-filter: blur(20px);
            backdrop-filter: blur(20px);
}
.radio .cover .playnum::before{
    content: "";
    width: 12px;
    height: 13px;
    background: url(../images/icon_playnum.png);
    margin-right: 2px;
}
.radio .cover::after{
    content:"";
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0; 
    left: 0;
    background:rgba(0,0,0,0.4) url(../images/icon_play.png) no-repeat center;
    opacity: 0;
    -webkit-transition: all 0.2s ease;
    -o-transition: all 0.2s ease;
    -moz-transition: all 0.2s ease;
    transition: all 0.2s ease;
}
.radio .cover:hover::after{
    opacity: 1;
}
.radio .cover:hover img{
    -webkit-transform: scale(1.05);
       -moz-transform: scale(1.05);
        -ms-transform: scale(1.05);
         -o-transform: scale(1.05);
            transform: scale(1.05);
}
.radio .name{
    font-size: 14px;
    color: #000000;
    line-height: 20px;
    height: 40px;
    -o-text-overflow: ellipsis;
       text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    word-break: break-all;
    overflow: hidden;
}