.rf-top{
    margin-top: 50px;
}
.rf-num-box{
    width: 40px;
    height: 40px;
    background-color: #f16600;
    text-align: center;
    color: #ffffff;
    font-size: 20px;
    display: grid;
    align-items: center;
    margin: 0 auto;
    margin-top: 35px;
}
.rf-num-box p{

}
.rf-single-box{
    z-index: 0;
    position: relative;
}
.rf-single-box-ash{
    background-color: #f5f5f5;
}
.rf-o-line{
    background-color: #f16600;
    width: 5px;
    height: 100%;
    position: absolute;
    margin: 0 auto;
    left: 0;
    right: 0;
    z-index: -1;
}
.rf-o-line-first{
    top: 35px;
}
.rf-o-line-last{
    height: 35px;
}
.rf-right-con{
    padding: 35px 15px;
}
.rf-right-con h4{
    font-weight: bold;
    letter-spacing: normal;
}
.rf-right-con p{
    line-height: 2;
    margin-top: 10px;
    letter-spacing: normal;
}
.rf-right-con p span{
    color: #db0000;
}
.blue-bg .rf-num-box{
    background-color: #1b90e2;
}
.blue-bg .rf-o-line{
    background-color: #1b90e2;
}
.rf-left-box{
    padding: 0px;
}