.edu_content{
    width:1100px;
    margin: 0 auto;
}
.edu{
    /*background: url(/Data/Icon/Normal/v2-7e0ffd463c4db23151df802e943f9876_1440w.jpg);*/
    background-repeat: no-repeat;
    background-size: cover;
    -webkit-background-size: cover;
    -o-background-size: cover;
}

.edu_head{
    /* width: 1100px; */
    margin: 0 auto;
    padding: 160px 0px 110px;
    /* background-color: #7492C9; */
    height: 500px;
}
.edu_head_box{
    height: 500px;
    position: relative;
}
.edu_head{
    position: absolute; left: 50%; top: 50%;
    width: 1100px;

    transform: translate(-50%, -50%); 
    /* top: 10px; */
    z-index: 10;
}
.edu_head_img {
    width: 100%;
    height: 100%;
}
.edu_head_img>img{
    width: 100%;
    height: 100%;
    z-index: 9;
}
.edu_name{
    font-size: 40px;
    height: 40px;
    line-height: 40px;
    font-weight: 400;
    color: #ffffff;
}
.edu_intro{
    font-weight: bold;
    font-size: 16px;
    line-height: 30px;
    padding: 35px 0 55px;
    color: #ffffff;
}
.edu_threeButton > div {
    cursor: pointer;
    margin-right: 20px;
    height: 50px;
    line-height: 50px;
    width: 160px;
    color: #fff;
    border: 1px solid #fff;
    border-radius: 5px;
}
.edu_threeButton > .actived {
    background: rgb(236, 40, 46);
    border-color: rgb(236, 40, 46) !important;
}
.edu_overview{
    width: 1100px;
}
    .edu_overview > div:first-child {
        font-size: 30px;
        color: #333;
        padding: 30px 0;
    }
.edu_overview>div:last-child{
    /* border: #C9E6E9 solid 20px; */
    border-radius: 6px;
    width: 100%;
    /* max-height: 400px; */
    /* background: #fff; */
    /* box-shadow: 0 0 10px #e6e6e6; */
    overflow: hidden;
    margin-bottom: 40px;
    line-height: 40px;
    font-size: 16px;
    color: #333;
}
.edu_bg{
    /* background-color: #fff; */
    width: 100%;
    /* height: 600px; */
}
.edu_bg2{
    background-color: rgb(127, 182, 219);
}
.edu_overview_pic{
    width: 40%;
}

.edu_overview_word{
    /* padding: 0 20px;
    width: 60%; */
    width: 100%;
}
.edu_target{
    width: 100%;
}
.edu_target>div>div:nth-child(2n+1){
    padding: 57px 0 70px;
    font-size: 30px;
    color: #333;
}
.edu_target>div>div:nth-child(2n)>div{
    width: 1100px;
    /* padding: 10px 40px; */
    /* border: #e6e6e6 solid 1px; */
    /* border-radius: 10px; */
    /* box-shadow: 0 0 10px #e6e6e6; */
    /* background-color: rgb(167, 188, 228); */
}
/* .edu_target_center{
    background-color: #ECEDEF;
} */
.edu_target>div>div:nth-child(2n){
    padding: 40px 40px;
    /* margin: 0 40px; */
    width: 100%;
    border-radius: 4px;
}
.edu_button{
    /* height: 180px; */
    width: 100%;
    padding-bottom: 40px;
}
.edu_button>div{
  
    line-height: 54px;
    font-size: 22px;
}
.ask_form{
   width: 100%;
   padding-left: 32px;
}
.ask_form>p{
    height: 40px;
    width: 400px;
    line-height: 40px;
    background-color: #f2f2f2;
    border-radius: 5px;
    margin-bottom: 13px;
    color: #ec272e;
    font-size: 14px;
    padding-left: 22px;
}
.ask_form>p>input{
    height: 30px;
    line-height: 30px;
    background-color: rgb(242, 242, 242);
    width: 200px;
    font-size: 16px;
    border-width: 0px;
    border-style: initial;
    border-color: initial;
    border-image: initial;
    padding: 0px 0px 0px 5px;
    outline: 0px;
}
.modal-body>p{
    color: #ec272e;
    font-size: 16px;
    margin-right: 226px;
    height: 14px;
    line-height: 16px;
    margin: 17px 0 21px;
}
.modal-body textarea{
    height: 90px;
    width: 400px;
    background-color: rgb(242, 242, 242);
    resize: none;
    font-size:14px ;
    border-width: 0px;
    border-style: initial;
    border-color: initial;
    border-image: initial;
    padding: 20px 20px 0px 23px;
    border-radius: 5px;
    outline: 0px;
}
.modal-footer>button{
    margin-right: 188px;
}

.case_li {
    width: 31%;
    height: 300px;
    margin: 10px 1.1%;
}
.case_li>img{
    width: 100%;
    height: 80%;
}
    .case_li > div {
        width: 100%;
        height: 20%;
        padding: 0 10px;
        box-sizing: border-box;
        display: flex;
        justify-content: center;
        align-items: center;
        box-shadow: var(--boxShadow);
    }