.intro_box {
    box-sizing: border-box;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    margin-bottom: 75px;
    width: 100%;
    padding: 0 60px;
    align-items: center;
}

.intro_box:nth-of-type(1) {
    margin-top: 88px;
}

.intro_box:nth-of-type(2n) {
    flex-direction: row-reverse
}

.intro_box .title {
    min-width: 168px;
    height: 48px;
    color: #000000;
    font-size: 18px;
}

.intro_box_left,
.intro_box_right {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.intro_box_left {
    flex: none;
    width: 422px;
}

.show .intro_box_left {
    width: 604px;
}

.point {
    display: flex;
    margin-bottom: 10px;
    /* height: 20px; */
    font-size: 14px;
    color: #666666;
    /* align-items: flex-start; */
}

.correct_icon {
    margin-right: 10px;
    margin-top: 4px;
    width: 20px;
}

.builed {
    padding-bottom: 14px;
}

.builed .intro_box_left {
    position: relative;
}

.behind_desk {
    width: 278px;
    margin-top: 27px;
    position: relative;
    left: 46px;
}

.front_desk {
    position: absolute;
    right: 0;
    width: 245px;
    top: 97px;
}

.show .intro_box_left {
    display: flex;
    flex-direction: row;
    padding-top: 48px;
    position: relative;
    justify-content: space-between;
}

.center_desk {
    position: absolute;
    top: 0px;
    left: 126px;
    width: 310px;
}

.left_desk {
    position: relative;
    width: 252px;
    height: 125px;
}

.right_desk {
    position: relative;
    margin-top: -10px;
    width: 220px;
}

.table {
    width: 424px;
}

.echart {
    width: 515px;
}

.circle_blue {
    position: absolute;
}

.intro_box_left_fang {
    width: 91px;
    height: 57px;
    background: #D3E5F8;
    border-radius: 5px;
    position: absolute;
    right: 0;
    top: 27px;
}

.intro_box_left_long {
    width: 126px;
    height: 47px;
    background: #D3E5F8;
    border-radius: 5px;
    position: absolute;
    top: 173px;
    left: 45px;
}

.video_blue {
    width: 103px;
    height: 97px;
    position: absolute;
    top: 118px;
    right: 234px;
    z-index: 88;
}

.intro_box_left_fang_two {
    width: 151px;
    height: 29px;
    background: #D3E5F8;
    border-radius: 5px;
    position: absolute;
    right: 0;
    top: 0px;
}

.yingyongchangjin {
    width: 100%;
    padding-top: 50px;
    padding-bottom: 54px;
}


.intro_box_left220 {
    height: 220px;
}

.point_mar84 {
    margin-right: 84px;
}

.point_mar169 {
    margin-right: 169px;
}

.intro_text_black_bottom38 {
    margin-bottom: 38px;
}

.intro_box_center_l {
    display: flex;
    flex-direction: column;
}

.correct_icon_mar0 {
    margin-top: 0px;
}

.point_pad_le {
    margin-left: 30px;
    width: 322px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    font-size: 14px;
    color: #666666;
}

.mar_b20{
    margin-bottom: 20px;
}

.intro_box_center{
    margin-top:44px;
}

.intro_box_center_b50{
    margin-bottom:50px;
}


.intro_box_center_b30{
    margin-bottom:30px;
}


.microcourse .intro_box_left_fang {
    width: 62px;
    height: 39px;
    top: -18px;
    right: -36px;
  }