.content_box{
    padding-top: 100px;
    padding-bottom: 100px;
}
.content_title_box p{
    padding-left: 30px;
    color: #004577;
    font-size: 32px;
    font-weight:bold;
}
.content_title_box span{
    border-left: 7px solid #004577;
    float: left;
    height: 32px;
    width: 10px;
    margin-top: 15px;
}
.content_company{
    font-size: 20px;
    padding-left: 30px;
    line-height: 33px;
}
.content_line{
    margin-bottom: 5px;
    font-size: 16px;
    padding-left: 30px;
    font-family: SourceHanSansCN;
}
.problem_line{
    padding-left: 25px;
    overflow: hidden;
}
.problem_line_title{
    font-weight: 600;
    font-size: 20px;
}
.problem_line_content{
    margin-top: 10px;
    font-size: 16px;
    line-height: 26px;
    margin-bottom: 30px;
}
.course_time{
    width: 120px;
    height: 100px;
    float: left;
    color: #00aaf0;
    font-size: 24px;
}
.round_start{
    width: 45px;
    height: 90px;
    float: left;
}
.round_content{
    width: 45px;
    height: 80px;
    float: left;
}
.round_end{
    width: 45px;
    height: 109px;
    float: left;
}
.course_line{
    overflow: hidden;
}
.content_title_box{
    margin-top: 20px;
    margin-bottom: 40px;
}
.course_content{
    float: left;
    width: 70%;
}
.course_content_line{
    overflow: hidden;
}
.course_text{
    float: left;
    margin-left: 20px;
    font-size: 16px;
    width: 70%;
}
@media all and (max-width: 370px){
    .course_time{
        width: 85px;
        font-size: 20px;
    }
    .round_start{
        width: 30px;
        height: 60px;
    }
    .round_content{
        width: 30px;
        height: 53px;
    }
    .course_text{
        font-size: 13px;
    }
    .round_end{
        width: 30px;
        height: 72px;
    }
}