.con-container{
    width: 1280px;
    margin: 0 auto;
}

/* 轮播图 */
@media screen and (max-width: 640px) {
    #demo div.carousel-item img {
        display: block;
    } 
}
@media screen and (min-width:640px) {
    #demo div.carousel-item img {
        display:none;
    }
    #demo div.carousel-bg1 {
        height: 551px;
        width: 100%;
        background: url("../images/courselist/banner01.jpg") no-repeat center center;
    }
    #demo .carousel-bg2 {
        height: 551px;
        width: 100%;
        background: url("../images/courselist/banner02.jpg") no-repeat center center;
    }
        #demo .carousel-bg3 {
        height: 551px;
        width: 100%;
        background: url("../images/courselist/banner03.jpg") no-repeat center center;
    }
}

/* 4个课程 */
.adva{
    padding: 40px 0 0 0;
    display: flex;
    justify-content: space-between;
}
.advali1,.advali2,.advali3,.advali4{
    width: 282px;
    height: 163px;
}
.advali1{
    background: url(../images/courselist/titlepic1.jpg) no-repeat center;
}
.advali2{
    background: url(../images/courselist/titlepic2.jpg) no-repeat center;
}
.advali3{
    background: url(../images/courselist/titlepic3.jpg) no-repeat center;
}
.advali4{
    background: url(../images/courselist/titlepic4.jpg) no-repeat center;
}
.adva a{
    color: #fff;

}
.adva h3{
    font-size:24px;
    font-weight: bold;
    padding-left:82px;
    padding-top:28px;
}
.adva p{
    font-size: 17px;
    padding-left: 30px;
    padding-top: 10px;
    padding-bottom: 20px;
}
.professcon{
    background-color:#f7f7f7;
    margin: 0 0 20px 0;
}
.professcon ul{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding:30px 0 40px 0;
}
.professcon li{
    width: 295px;
    background-color: #fff;
    margin:10px 0;
}
.professcon li img{
    width: 295px;
    height: 183px;
}
.professcon .title{
    display: flex;
    justify-content: space-between;
    padding: 8px 8px 5px 8px;
    border-bottom: 1px solid #f7f7f7;
}
.professcon .title h4{
    font-size: 16px;
}
.professcon .title span{
    font-size: 15px;
    color: orangered;
}
.professcon .content{
    padding: 0 8px;
    display: flex;
    justify-content: space-between;
}
.professcon .content span{
    color: #999;
    font-size: 14px;
    line-height: 36px;
}
.professcon .content .btn{
    margin: 6px 0;
    font-size: 13px;
    background-color: #f86e0b;
    border: none;
    border-radius: 8px;
}
.professcon .content .btn:hover{
    background-color: #e46206;
}

/* 提升学历 成就梦想 */
.edumode{
    width: 1100px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.mode1,.mode2,.mode3,.mode4{
    width: 238px;
    height: 87px;
}
.edumode a{
    display: block;
    text-align: center;
    color: #fff;
    font-size: 18px;
    padding-top: 22px;
    padding-left: 20px;
}
.edumode .mode1{
    background: url(../images/courselist/edubg1.jpg) no-repeat center;
}
.edumode .mode2{
    background: url(../images/courselist/edubg2.jpg) no-repeat center;
}
.edumode .mode3{
    background: url(../images/courselist/edubg3.jpg) no-repeat center;
}
.edumode .mode4{
    background: url(../images/courselist/edubg4.jpg) no-repeat center;
}
.educontent{
    display: flex;
    justify-content: start;
    padding: 20px 0;
}
.educontent .edupicbig{
    width: 295px;
    margin-right: 20px;
}
.educontent .edulist{
    background-color: #fff;
    border-radius: 12px;
    box-shadow: 0px 3px 6px 0px rgba(0,0,0,0.1);
    padding: 20px;
}
.edulist ul{
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    padding: 0 15px;
}
.edulist li{
    width: 269px;
    background:#f6f6f6;
    margin: 10px 0 10px 0;
    padding-bottom: 10px;
}
.edulist li img{
    width: 269px;
    height: 120px;
}
.edulist li h6{
    font-size: 20px;
    font-weight: bold;
    text-align: center;
    padding-top: 10px;
}
.edulist li p{
    text-align: center;
    color: #666;
    font-size: 16px;
    margin: 0;
    padding: 0;
}

/* 特种作业 */
.electrician{
    background: #fafafa;
    margin: 30px 0;
    padding: 20px 0;
}
.electrician ul{
    padding: 10px 0 20px 0;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.electrician li{
    width: 292px;
    margin-bottom: 30px;
    background-color: #fff;
    box-shadow: 0px 3px 6px 0px rgba(0,0,0,0.1);
    border-radius: 10px;
}
.electrician li a{
    color: rgb(24, 24, 24);
    text-align: center;
}
.electrician li img{
    width: 292px;
    height: 207px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}
.electrician li h5{
    font-weight: bold;
    font-size: 20px;
    padding-top: 15px;
}
.electrician li p{
    padding: 0 20px;
    font-size: 15px;
    word-break:break-all;
	display:-webkit-box;
	-webkit-line-clamp:2;
	-webkit-box-orient:vertical;
	overflow:hidden;
    
}
.electrician li:hover{
    background-color: #f9f9f9;
}


/* 全场景学习系统 */
.study{
    padding: 20px 0;
}
.study .title strong{
    font-size: 28px;
}
.study .title span{
    font-size: 16px;
    color: #666;
}
.studylist ul{
    display: flex;
    justify-content: space-between;
    padding: 30px 0;
}
.studylist li{
    width: 380px;
    background-color: #fff;
    box-shadow: 0px 3px 6px 0px rgba(66, 66, 66, 0.1);
}
.studylist li img{
    width: 380px;
    height: 228px;
}
.studylist .studycontent{
    text-align: center;
}
.studylist .studycontent h4{
    font-size: 22px;
    padding: 20px 0 0 0;
}
.studylist .studycontent strong{
    color: #999;
    font-weight: normal;
}
.studylist .studycontent .line{
    width:38px;
    height: 4px;
    background-color: #ccc;
    margin:10px auto;
}
.studylist .text{
    padding: 10px 0 20px 20px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.studylist .text span{
    color: #666;
    font-size: 15px;
    width: 180px;
    display: block;
    margin-bottom: 6px;
}

/* 小程序学习系统 */
.student{
    background: url(../images/courselist/studentbg.jpg) no-repeat center;
    height: 799px;
    padding-top: 10px;
}
.student .title{
    padding-top: 30px;
}
.student .title strong{
    font-size: 28px;
}
.student .title span{
    font-size: 16px;
    color: #666;
}
.student .content ul{
    width: 700px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
}
.student .content li{
    width: 42%;
    margin-top: 30px;
}
.student .content .tit span{
    color: #ffaf15;
    font-size: 54px;
    font-weight: bold;
}
.student .content .tit strong{
    font-size: 18px;
}
.student .content .tit p{
    font-size: 14px;
    color: #666;
}
.student .button{
    width: 280px;
    border-radius: 30px;
    background:linear-gradient(to right, #f03b3c,#ff853c);
    height: 54px;
    margin: 40px auto 0 auto;
}
.student .button a{
    display: block;
    line-height: 54px;
    color: #fff;
    text-align: center;
    font-size: 18px;
}