.video-box{
    margin: 0 auto;
    margin-top: 90px;
    width: 80%;
}
.school-introduction{
    background: url("../img/jianjie.png") left center no-repeat;
    background-size: 20px;
    padding-left: 30px;
    line-height: 20px;
    font-size: 20px;
    color: #1c4a85;
    margin: 20px;
}
.introduction-line{
    width: 100%;
    margin: 0px;
    padding: 0px;
}
.introduction-text {
    text-indent: 30px;
    margin-top: 10px;
    font-size: 14px;
    line-height: 30px;
}
.introduction-img{
    width: 80%;
    margin: 10px;
}
.blue-line-left, .blue-line-right{
    height: 1px;
    background-color: #1c4984;
    margin-top: 15px;
}
.blue-line-left{
    margin-right: 0px;
    padding-right: 0px;
}
.blue-line-right{
    margin-left: 0px;
    padding-right: 0px;
}
.title{
    text-align: center;
    color: #1c4984;
    font-size: 20px;
    font-weight: bold;
    padding: 0px;
}
.location{
    margin: 50px auto;
}
.text-content{
    text-indent: 30px;
    margin-top: 10px;
    font-size: 14px;
    line-height: 30px;
}
.logo{
    background: url("../img/logo2.png") center center no-repeat;
    background-size: 150px;
    height: 150px;
    margin-bottom: 100px;
}