.fireCourse{
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    padding-top: 80px;
    background-color: #cccccc1c;
}
.fireCourse_top{
    display: flex;
    align-items: flex-start;
}
.fireCourse_title{
    background-color: #fff;
    padding-left: 20px;
    padding-bottom: 20px;
}
.fireCourse_title h2{
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #2B2B2B;
    margin-bottom: 20px;
}
.fireCourse_item{
    font-size: 16px;
font-family: Microsoft YaHei;
color: #5D5D5D;
line-height: 29px;
}
.fireCourse_txt{
    font-size: 16px;
    font-weight: bold;
color: #5D5D5D;
padding-right: 10px;
}
.fireCourse_bottom{
    margin-top: 38px;
    padding-top: 27px;
    background-color: #fff;
    padding-bottom: 71px;
}
.catalogue_title{
    font-size: 21px;
font-family: Microsoft YaHei;
font-weight: bold;
color: #434444;
padding-left: 22px;
padding-bottom: 29px;
border-bottom: 1px solid #E7E8E9;
}
.course_title{
    padding-top: 33px;
    padding-left: 27px;
    padding-bottom: 46px;
    font-size: 21px;
font-family: Microsoft YaHei;
font-weight: bold;
color: #434444;
}
.course_item{
    margin-left: 21px;
    padding: 20px 24px;
    border: 1px solid #E7E8E9;
    margin-bottom: 19px;
}
.course_icon span{
    font-size: 20px;
font-family: Microsoft YaHei;
font-weight: bold;
color: #0D8CD2;
}
.course_icon{
    line-height: 45px;
    border-bottom: 1px solid #ccc;
}
.course_item p{
    line-height: 55px;
    border-bottom: 1px solid #E7E8E9;
    font-size: 16px;
font-family: Microsoft YaHei;
font-weight: 400;
color: #727373;
}