/*顶部导航栏开始*/
.adv {
    background: url(../img/internet/adv.jpg) no-repeat;
    background-size: 100% 100%;
}
/*顶部导航栏结束*/

/*内容导航开始*/
.content-nav .content-nav-item ul li a{
    font-size: 16px;
}
.content-nav .content-nav-item ul li a {
    width: 160px;
}
.content-nav .content-nav-item ul li.active::after{
    content: "";
    width: 158px;
}
/*内容导航结束*/

/*主体内容开始*/
.floor{
    margin: 0px 20px;
    text-align: left;
}
.main .floor1{
    margin-top: 67px;
}
.main .floor1 .title .mainTitle{
    color: #dcdcdc;
    opacity: 0.61;
    font-size: 40px;
    line-height: 36px;
}
.main .floor1 .title .subtitle{
    font-size: 24px;
    color: black;
    margin-top: 24px;
    margin-bottom: 44px;
}
.main .floor1 p{
    color: #8c8a8a;
    text-indent: 32px;
    line-height: 24px;
    border-bottom:2px solid #c0c0c0 ;
    padding-bottom: 30px;
    text-align: justify;
}
.main .floor2{
    display: flex;
    flex-direction: column;
    align-items: center;
    border-bottom: 2px solid #c0c0c0;
    padding-bottom: 50px;
}
.main .floor2 .cource-title{
    font-size: 24px;
    color: black;
    text-align: center;
    margin-top: 48px;
    margin-bottom: 28px;
}
.main .floor2 img {
    width: 700px;
    height: 520px;
    margin-left: 111px;
}
.main .floor3{
    border-bottom: 2px solid #c0c0c0;
    padding-bottom: 92px;
    margin-top: 60px;
}
.main .floor3 img{
    height: 655px;
    width: 1157px;
}
.main .floor4 .job-title{
    font-size: 24px;
    color: black;
    margin-top:64px;
    margin-bottom:61px;
    text-align: center;
}
.main .floor4 table{
    border: 1px solid #c0c0c0;
    margin: auto;
}
.main .floor4 table thead tr th{
    height: 74px;
    background: #fc433e;
    color:white ;
    font-size: 18px;
    text-align: center;
    font-weight: normal;
    border: 1px solid #c0c0c0;
}
.main .floor4 table thead tr th:nth-child(1){
    width: 118px;
}
.main .floor4 table thead tr th:nth-child(2){
    width: 183px;
}
.main .floor4 table thead tr th:nth-child(3){
    width: 852px;
}
.main .floor4 table tbody tr td{
    border: 1px solid #c0c0c0;
    text-align: center;
    color: black;
}
.main .floor4 table tbody tr td ul li{
    line-height: 26px;
}
.main .floor4 table tbody tr td:nth-child(3){
    text-align: left;
    padding-top: 22px;
    padding-left: 25px;
    padding-bottom: 23px;
}
.main .floor4{
    margin-bottom: 44px;
}
/*主体内容结束*/