.top_img{
    width: 100%;
    height: 200px;
    background-color: #ddd;
}

.post_tab{
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    margin: 20px 0;
}

.post_tab_item.active{
    background-color: #376678;
    color: #fff;
}
.post_tab_item{
    width: calc(200px - 10px);
    box-sizing: border-box;
    padding: 10px 0;
    text-align: center;
    background-color: #b7b7b7;
    color: #000;
    margin: 0 10px 10px 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.audio_ioc{
    width: 100%;
}

.intro_ioc{
    display: flex;

}

.intro_img{
    width: 50%;
    height: 270px;
}

.intro_content{
    width: 50%;
    height: 270px;
    box-sizing: border-box;
    padding: 10px;
}
.intro_title{
    font-size: 30px;
    font-weight: bold;
}
.audio_box{
    padding: 30px 0;
}
.audio_title{
    font-size: 24px;
    font-weight: bold;
}
.audio_table{
    margin-top: 20px;
}

.audio_table tbody tr:nth-child(odd){
    background-color: #efefef;
}
.audio_table tbody tr td .play_img{
    width: 20px;
    height: 20px;
    cursor: pointer;
}
.audio_table tbody tr td{
    box-sizing: border-box;
    padding: 12px 15px;
}
.audio_table thead tr th{
    box-sizing: border-box;
    padding: 12px 15px;
    background-color: #f7f7f7;
    text-align: left;
}
.audio_table{
    width: 100%;
}