.content{
    width: 1200px;
    margin: 0 auto;
}
.learning_list{
    width: 100%;
    height: auto;
    margin-top: 40px;
}
.learning_item{
    width: 580px;
    /* height: 300px; */
    position: relative;
    background: #FFFFFF;
    box-shadow: 0px 4px 12px 0px rgba(4, 0, 0, 0.1);
    border-radius: 4px;
    float: left;
    margin: 0 40px 40px 0;
    cursor: pointer;
}
.learning_item:nth-child(2n){margin-right: 0;}
.left_cover{
    width: 210px;
    height: 260px;
    border-radius: 4px;
    float: left;
    margin: 20px;
}
.right_info{float: left;width: 310px;margin: 20px 20px 20px 0;}
.info_title{
    height: auto;
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #000000;
}
.info_title img {position: relative;bottom: 5px;margin-left: 5px;}
.info_intro{
    font-size: 14px;
    font-family: Microsoft YaHei;
    color: #BBBBBB;
    height: 98px;
    margin-top: 24px;
    word-break: break-all;
    text-overflow: ellipsis;
    text-align: justify;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}
.info_labels{
    height: 20px;
    width: 100%;
    margin-top: 25px;
    font-size: 12px;
    display: flex;
    -webkit-box-pack: center;-webkit-justify-content: center;-ms-flex-pack: center;
    justify-content: space-between;
}
.info_labels span{
    line-height: 16px;
    height: 18px;
    vertical-align:middle;
    overflow: hidden;
}
.info_labels span img{margin-right: 2px;}
.btn_right{width: 100%;}
.start_btn{
    width: 96px;
    height: 40px;
    line-height: 40px;
    background: linear-gradient(to right,#FFD101,#FF8701);
    border-radius: 20px;
    color: #fff;
    font-size: 14px;
    float: right;
    text-align: center;
    margin-top: 40px;
    cursor: pointer;
}
.start_btn:hover {background: linear-gradient(to right,#f5d239,#f39b37);}
@media screen and (min-width: 1600px) {
    .content{width: 1380px;}
    .learning_item{width: 670px;}
    .right_info{width: 400px;}
}