/************顶部背景图片**************/
#cooperation_background {
    /*height: 410px;*/
}

#cooperation_background .jumbotron {
    height: 410px;
    background: url("../images/coopreation_top_background.jpg")  no-repeat 0 0;
}

#cooperation_background .jumbotron h1 {
    font-size: 50px;
    margin: 80px 60px 20px;
    color: #ffffff;
}

@media(max-width: 767px) {
    #cooperation_background .jumbotron {
        height: 220px;
        background: url("../images/coopreation_top_background_phone.jpg")  no-repeat 0 0;
    }

    #cooperation_background .jumbotron h1 {
        font-size: 30px;
        margin: 40px 30px 10px;
        color: #ffffff;
    }
}

/************顶部背景图片**************/

/**********************合作单位**************************/

/******第一部分*****/
#coop_01_01 {
    justify-content: space-around;
    display: flex;
    margin: 50px auto auto auto;

}

#coop_01_02 {
    justify-content:flex-end;
    display: flex;
    margin: auto;
}

#coop_01_03 {
    justify-content:flex-start;
    display: flex;
    margin: 70px auto auto -40px;
}
/******第一部分*****/

/******第二部分*****/
#coop_02_01 {
    justify-content:flex-start;
    display: flex;
    margin: auto;
}

#coop_02_02 {
    justify-content:flex-end;
    display: flex;
    margin: auto;
}

#coop_02_03 {
    justify-content:flex-start;
    display: flex;
    margin: 3vw auto auto auto;
}

#coop_02_04 {
    justify-content:flex-start;
    display: flex;
    margin: auto;
}
/******第二部分*****/

/******第三部分*****/
#coop_03_01 {
    justify-content:space-around;
    display: flex;
    margin: auto;
}
#coop_03_02 {
    justify-content:flex-start;
    display: flex;
    margin: auto;
}
#coop_03_02 {
    justify-content:flex-start;
    display: flex;
    margin: auto;
}

/******第三部分*****/

/**********手机端************/
@media(max-width: 767px) {
    #coop_02_02 {
        justify-content:flex-start;
        display: flex;
        margin: 10px auto auto auto;
    }
}


/**********************合作单位**************************/