/* *{margin: 0; padding: 0;} */
#content .content_area {
    width: 1600px; margin: 50px auto;
    overflow: hidden;
}

#content .content_area img{
    float: left;
    margin: 20px;
}
#content .content_area ul{
    float: left;
    width: 700px;
    text-align: justify;
}
#content .content_area ul li dl dt:nth-of-type(1){
    font-size: 1.5rem;
    font-weight: 500;

}
#content .content_area ul li dl dt:nth-of-type(1) span{
   font-variation-settings: 'wght'700;
   margin-right: 30px;
   width: 30px; height: 30px;
   color: var(--font-color-point1);

}
#content .content_area ul li{
    margin-bottom: 40px;
}
#content .content_area ul li dl{
    
}
#content .content_area ul li dt{
    padding-bottom: 20px;
}
#content .content_area ul li dd{
    margin-left: 60px;
    text-align: justify;
}
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(2),
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(3){
    margin-top: 15px;
    overflow: hidden;
}
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(2) dt,
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(3) dt{
    font-size: 1.2rem;
    font-weight: 500;
    padding: 10px 0;
    text-align: start;
    margin-left: 80px;
    position: relative;
}
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(2) dt::after,
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(3) dt::after{
    content: ''; background: var(--font-color-point1); width: 10px; height: 3px;
    position: absolute; top: 23px; left: -20px;
}
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(2) dd,
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(3) dd{
    padding-bottom: 10px;
    width: 550px;
    padding-left: 25px;
}
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(2){
    position: relative;
}

#content .content_area ul li:nth-of-type(2) dl:nth-of-type(2) dd:first-of-type::after{
    content: ''; background: var(--font-color-point2); width: 1px; height: 17px;
    position: absolute;  left: 134px;
    top: 53px;
}
#content .content_area ul li:nth-of-type(2) dl:nth-of-type(2) dd:last-child:after{
    content: ''; background: var(--font-color-point2); width: 1px; height: 17px;
    position: absolute; left: 134px;
    top: 87px;
}