.my_course_box .page_title{height:50px;margin-bottom:20px;border-left:4px solid #ff701d;box-sizing:border-box;padding:0 25px}.my_course_box .page_title .page_title_box{height:50px;line-height:50px;display:flex;border-bottom:1px solid #e7e7e7}.my_course_box .page_title .page_title_box>ul{display:flex}.my_course_box .page_title .page_title_box>ul>li{padding:0 10px;margin-right:20px;text-align:center;border-bottom:2px solid transparent;font-size:16px;font-family:PingFang SC;font-weight:700;color:#999;transition:all .3s;cursor:pointer}.my_course_box .page_title .page_title_box>ul>li:hover{color:#ff701d}.my_course_box .page_title .page_title_box>ul .select_active{border-bottom:2px solid #ff701d;color:#ff701d}