body,div{
    box-sizing: border-box;color: #000;
}
body{
    min-width: 1450px;position: relative;
}
.banner {
    height: auto;
}
.banner img{
    width: 100%;min-width: 1400px;
}


/* item */
.item{
    height: auto;position: relative;
}
.item .bg{
    position: absolute;
}
.bg1{
    left:0;top:300px;width:270px;
}
.bg2{
    right:0;top:0;width:380px;
}
.item1{
    background: #2981e4;padding:120px 0 160px;
}
.item1 .title{
    margin: 0 auto;width: 760px;height: 150px;color:#fff;font-size: 34px;font-weight: bold;position: relative;
    background: url(../../images/FifthImages/nssb20201103/nssb_34.png);letter-spacing: 8px;text-align: center;padding-top:5px;z-index: 111;
}
.item1 .container{
    margin: -70px auto 0;width: 1160px;height: 690px;background: url(../../images/FifthImages/nssb20201103/nssb_06.png);z-index: 11;position: relative;

}

.inlineBox > div,.inlineBox > ul{
    display: inline-block;vertical-align: middle;
}

.item1 .inlineBox{
    text-align: center;padding:160px 0;
}
.quesUl{
    text-align: left;margin-right:50px;
}
.quesUl li{
    color: #db4a4a;font-size: 22px;line-height: 80px;text-decoration-line: underline;
}
.quesUl li:before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: #db4a4a;
    border-radius: 50%;
    margin-right:20px;
}

.item2{
    margin: 100px auto;
}
.item2 .title{
    margin: 0 auto;text-align: center;
}
.item2 .container{
    text-align: center;
}

.mbrqUl{
    margin:0 auto;width:820px; text-align: left;
}
.mbrqUl li{
    color: #486cb4;font-size: 26px;line-height: 60px;font-weight: bold;
}
.mbrqUl li:before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: #2981e4;
    border-radius: 50%;
    margin-right:20px;
}
.item3{
    background: #fff;
}
.item3 .container{
    box-shadow: 0 0 15px 5px rgba(0, 0, 0, .5);border-radius: 15px;overflow: hidden;
    padding: 120px;
}
.item3 .tit{
    text-align: center;font-size: 28px;color:#db4a4a;font-weight: bold;
}
.item3 .con{
    color:#355683;font-size: 16px;line-height: 40px;padding:40px 0;font-weight: 600;
}
.courseUl{
    text-align: left;
}
.courseUl li{
    color: #355683;font-size: 16px;line-height: 45px;font-weight: 600;
}
.courseUl li span:nth-child(1){
    font-size: 30px;
}
.courseUl li span:nth-child(2){
    font-size: 20px;
}
.courseUl li:before {
    content: "";
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: #db4a4a;
    border-radius: 50%;
    margin-right:20px;
}

.info{
    width:590px;height: 275px;background: url(../../images/FifthImages/nssb20201103/nssb2_03.png);font-weight: bold;padding:15px 25px;
    padding-top: 115px;position: relative;
}
.info .tit{
    font-size: 26px;color:#4b566b;text-align: right;
}
.info .con{
    font-size: 18px;color:#4b566b;text-align: left;
}
.itemCourse .container{
    width: 950px;margin:40px auto 0;
}
.info:nth-child(1),.info:nth-child(4){
    float: right;background: url(../../images/FifthImages/nssb20201103/nssb1_31.png); padding-top: 15px;
}


.itemTeacher .title{
    position: absolute;top:-60px;left:0;right:0;margin: 0 auto;
}
.bg3{
    left:0;bottom:220px;width:270px;z-index: 1;
}
.bg3 img{
    width:270px;
}
.bg4{
    right:0;bottom:0;width:300px;z-index: 1;
}
.bg4 img{
    width:300px;
}
.itemTeacher{
    padding: 0 160px 120px;height:770px;
}
.teacherUl{
    width:990px;margin: 0 auto;padding-top: 200px;z-index: 111;
}
.teacherUl li{
    position: relative; width:990px;height:200px;
}
.teacherUl li .ywjP{
    position: absolute;left:0;top:0;
}
.teacherUl li .name{
    position: absolute;left:264px;top:70px;font-size: 22px;font-weight: bold;color:#fff;
}
.teacherUl li .name img{
    transform:rotate(180deg);
}
.teacherUl li .js{
    position: absolute;left:264px;top:117px;font-size: 18px;color:#fff;width:600px;
}
.teacherUl li .wfxP{
    position: absolute;right:0;top:0;
}
.teacherUl li .name1{
    position: absolute;right:500px;bottom:90px;font-size: 22px;font-weight: bold;color:#fff;z-index: 111;
}
.teacherUl li .js1{
    position: absolute;right:264px;bottom:0;font-size: 18px;color:#fff;width:600px;
}