.banner{
    width: 1000px;
    margin: 0 auto;
}
.banner img{
    width: 1000px;
}
#intorduce01{
    position: relative;
    width: 1000px;
    height: 200px;
    margin: 0 auto;
    text-align: center;
}
#intorduce01 p{
    font-size: 30px;
    display: inline-block;
    margin-top: 70px;
    margin-bottom: 40px;
    margin-left: 10px;
    margin-right: 10px;
}
#intorduce01 img{
    display: block;
    margin: 0 auto;
}
#news-img{
    position: relative;
    width: 1000px;
    height: 400px;
    margin: 0 auto;
    margin-top: 40px;
}
.news-img-left{
    width: 400px;
    height: 400px;
}
.news-img-left p:first-child{
    font-size: 20px;
    margin-bottom: 35px;
    color: #474747;
}
.news-img-text{
    width: 400px;
    height: 220px;
    overflow: hidden;
}
#news-img .news-img-text p{
    font-size: 14px;
    color: #757475;
    margin-bottom: 0px;
}
#ljgd{
    margin-top: 25px;
    height: 40px;
    width: 135px;
    background-color: #2568db;
    line-height: 40px;
    text-align: center;
    border-radius: 20px;
    color: #fff;
}
#ljgd:hover{
    background-color: #1F4C9B;
}
#ljgd p{
    font-size: 15px;
    color: #fff;
}
.news-img-right{
    width: 550px;
    height: 400px;
    position: absolute;
    top: 0px;
    right: 0px;
    overflow: hidden;
}
.news-img-right img:first-child{
    position: absolute;
    height: 300px;
}

.news-img-right img:last-child{
    height: 300px;
    margin-top: 50px;
    z-index: 20;
    position: absolute;
    top: -50px;
    height: 100%;
    margin-left: 150px;
}
#a1:hover{
    position: absolute;
    z-index: 100;
    height: 400px;

}
#a2:hover{
    margin-left: 0px;

}
.news-img-list{
    width: 1000px;
    height: 400px;
    display: flex;
}
.news-img-list li{
    width: 230px;
    height: 300px;
    margin-right: 27px;
}
.news-img-list li:last-child{
    margin-right: 0px;
}
.news-img-list-img img{
    width: 100%;
    height: 230px;
}
.news-img-list-img-on{
    width: 100px;
    height: 100px;
    background-color: #4370af00;
    position: absolute;
    top: 0px;
    width: 229px;
    height: 230px;
    text-align: center;
    color: rgba(255, 255, 255, 0);
}
.news-img-list-img-on:hover{
    background-color: #4370afab;
    color: #fff;
}
.news-img-list-img-on p:first-child{
    margin-top: 40px;
}
.news-img-list-img-on p{
    line-height: 30px;
}
.news-img-list li{
    text-align: center;
}
.last-text{
    margin-top: 15px;
}
.news-img-list li:hover{
    color: #1F4D9C;
}
.last-text-shuoming{
    font-size: 12px;
    color: #999999;
}
.xinwen{
    position: relative;
    width: 800px;
    margin: 0 auto;
    margin-bottom: 50px;
}
.xinwen—title{
    text-align: center;
    line-height: 40px;
    font-size: 18px;
}
.xinwen-main p{
    font-size: 12px;
    color: #838383;
}
.xinwen-main p:first-child{
    margin-top: 10px;
}
.student03{
    position: relative;
    width: 1000px;
    height: 300px;
    margin:  0 auto;
    margin-bottom: 100px;
}
.bgimg2 img{
    height: 300px;
}
.student03-right{
    width: 480px;
    height: 300px;
    position: absolute;
    top: 0px;
    right: 0px;
}
.student03-right li{
    width: 480px;
    height: 30px;
    line-height: 30px;
    font-size: 14px;
}
.student03-right li:hover{
    background-color: #1F4D9C;
    color: #fff;
}
.student03-right ul li img{
    float: right;
    height: 20px;
    margin-top: -25px;
}