.addlist ul {
    max-width: 968px;
    margin: 0 auto;
}

.addlist ul li {
    float: left;
    width: 32%;
    margin-top: 30px;
}

.addlist ul li:nth-child(3n+2) {
    margin-left: 2%;
    margin-right: 2%;
}

.addlist ul li a {
    display: block;
    position: relative;
}

.addlist ul li a .pic {
    height: 188px;
    overflow: hidden;
    position: relative;
}

.addlist ul li a .pic img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}

.addlist ul li a .text {
    background-color: #ffffff;
    box-shadow: -3px 2px 10px 0px rgba(0, 0, 0, 0.1);
    padding: 10px;
}

.addlist ul li a .text p {
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 25px;
    letter-spacing: 0px;
    color: #111111;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    height: 50px;
    text-align: center;
}

.addlist ul li a .posi-text {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    opacity: 0;
    transition: all 0.3s;
}

.addlist ul li a .posi-text h3 {
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 25px;
    letter-spacing: 0px;
    color: #ffffff;
    font-weight: 600;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    height: 50px;
    overflow: hidden;
}

.addlist ul li a .posi-text div {
    width: 30px;
    height: 2px;
    background-color: #ffffff;
    margin: 15px 0;
}

.addlist ul li a .posi-text p {
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 24px;
    letter-spacing: 0px;
    color: #ffffff;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;
    overflow: hidden;
    height: 120px;
}

.addlist ul li a:hover .posi-text {
    opacity: 1;
}


.sysart {
    max-width: 968px;
    margin: 0 auto;
}

.sysart1 {

    background: #ffffff url(../images/sysart-bj1.png) no-repeat;
    background-position: right bottom;
    border-radius: 5px;
    border: solid 1px #eeeeee;
    padding: 45px;
}

.sysart-tit {
    font-size: 24px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 24px;
    letter-spacing: 0px;
    color: #666666;
    padding-bottom: 30px;
    border-bottom: solid 1px #e5e5e5;
    margin-bottom: 35px;
}

.sysart-conl {
    float: left;
    background-color: #eff9f8;
    box-shadow: -3px 2px 5px 0px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: 10px;
}

.sysart-conl .pic img {
    display: block;
    width: 100%;
}

.sysart-conr {
    overflow: hidden;
    padding-left: 50px;
}

.sysart-conr .text p {
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 36px;
    letter-spacing: 0px;
    color: #666666;
}

.sysart-swit {
    margin-top: 35px;
}

/* .sysart-stit  */
.zxkc-tit h2{
    font-weight: 600;
}
.sysart-stit .zxkc-tit h2 {
    background: transparent;
    color: #0049b5;
    font-weight: 600;
    padding: 0 20px;
    cursor: pointer;
    position: relative;
}

.sysart-stit .zxkc-tit h2.on {
    color: #fff;
    background: #0049b5;
}

.sysart-stit .zxkc-tit h2.on::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 100%;
    transform: translateX(-50%);
    border-width: 6px 7px 0 7px;
    border-color: #0049b5 transparent transparent transparent;
    border-style: solid;
}

.sysart-smain {
    margin-top: 25px;
}

.sysart-smain>div {
    display: none;
}

.sysart-smain>div:nth-child(1) {
    display: block;
}

.sysart-smain>div p {
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 24px;
    letter-spacing: 0px;
    color: #666666;
}

.sysart-smain>div ul li a {
    display: block;
    font-size: 14px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 24px;
    letter-spacing: 0px;
    color: #666666;
}

.sysart-smain>div ul li a:hover {
    color: #0049b5;
}
.sysart2{
    margin-top: 40px;
}
.sysart2 ul {
    margin-top: 25px;
}

.sysart2 ul li {
    float: left;
    width: 31%;
    margin-left: 3.5%;
    margin-bottom: 48px;
}

.sysart2 ul li:nth-child(3n+1) {
    margin-left: 0;
}

.sysart2 ul li a {
    display: block;
    color: inherit;
}

.sysart2 ul li a .pic {
    position: relative;
    height: 193px;
    overflow: hidden;
}

.sysart2 ul li a .pic img {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}

.sysart2 ul li a .text {
    padding-top: 15px;
}

.sysart2 ul li a .text h3 {
    font-size: 16px;
    color: #333;
    line-height: 20px;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 10px;
}

.sysart2 ul li a .text p {
    font-size: 14px;
    line-height: 20px;
    color: rgba(17, 17, 17, 0.6);
    text-align: center;
}

@media screen and (max-width:1280px) {
.sysart-conl {
    width: 50%;
}
}
@media screen and (max-width:1024px) {

    .addlist ul li {
        float: left;
        width: 48%;
        margin-top: 30px;
    }

    .addlist ul li a .pic {
        padding-top: 65%;
        height: auto;
    }

    .addlist ul li:nth-child(3n+2) {
        margin-left: 0;
        margin-right: 0%;
    }

    .addlist ul li:nth-child(2n) {
        margin-left: 4%;
    }

    .addlist ul li a .posi-text p {
        height: 48px;
    }


    .sysart1{
        padding: 20px 15px;
        margin-bottom: 20px;
        padding-bottom: 20px;
    }
    .sysart-tit{
        font-size: 20px;
    }
    .sysart-conl{
        float: none;
        width: auto;
    }
    .sysart-conr{
        padding-left: 0;
        margin-top: 20px;
    }
    .zxkc-tit h2{
        font-size: 16px;
    }
    .zxkc-tit h2{
        padding: 0 10px;
    }

    .sysart2 ul li{
        float: none;
        width: auto;
        margin: 15px 0 !important;
    }
    .sysart2 ul li a .pic{
        padding-top: 65%;
        height: auto;
    }

}

/*===========================pc版在线课程列表页================================*/

.zxkc-tit {
    background: #f5f5f5;
    position: relative;
    padding-top: 6px;
    padding-bottom: 5px;
}
.zxkc-tit h2{
    display: inline-block;
    font-size: 18px;
    line-height: 34px;
    color: #fff;
    background: #0049b5;
    padding-left: 14px;
    padding-right: 24px;
    border-radius: 0 5px 5px 0;
    font-weight: normal;
}

.zxkc-tit a{
    position: absolute;
    right: 18px;
    top: 0;
    font-size: 14px;
    line-height: 44px;
    color: #0049b5;
}
.zxkc_list ul li{
    float: left;
    width: 30.99%;
    margin-left: 3.515%;
    margin-bottom: 48px;
}
.zxkc_list ul li:nth-child(3n+1){
    margin-left: 0;
}
.zxkc_list ul li a{
    display: block;
    color: inherit;
}
.zxkc_list ul li a .img_hz{
    position: relative;
    height: 193px;
    overflow: hidden;
}
.zxkc_list ul li .img_hz img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}
.zxkc_list ul li .txt h2{
    font-size: 16px;
    color: #333;
    line-height: 20px;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 10px;
}
.zxkc_list ul li .txt i{
    display: block;
    width: 20px;
    height: 2px;
    background: #0049b5;
    margin: 0 auto 6px;
}
.zxkc_list ul li .txt p{
    font-size: 14px;
    line-height: 20px;
    color: rgba(17, 17, 17, 0.6);
    text-align: center;
}
.zxkc_list ul li .txt{
    padding-top: 29px;
}
.zxkc_list ul li:hover .img_hz img{
    transform: scale(1.05);
}
.zxkc_list ul li:hover .txt h2{
    color: #0049b5;
}
.zxkc_list ul{
    padding-top: 28px;
    padding-bottom: 33px;
}

/*======================pc版在线课程内容页==========================*/

.zxkc_dtl_item .block1{
    font-size: 0;
}
.zxkc_dtl_item .block1 .img_hz{
    display: inline-block;
    vertical-align: top;
    width: 483px;
    height: 323px;
    position: relative;
}
.zxkc_dtl_item .block1 .img_hz img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}
.zxkc_dtl_item .block1 .txt{
    display: inline-block;
    vertical-align: top;
    width: 445px;
    margin-left: 40px;
}
.zxkc_dtl_item .block1 .txt h2{
    font-size: 24px;
    color: #111111;
    line-height: 34px;
    font-weight: normal;
    margin-bottom: 23px;
}
.zxkc_dtl_item .block1 .txt>div{
    position: relative;
    padding-left: 110px;
    margin-bottom: 13px;
}
.zxkc_dtl_item .block1 .txt div p{
    font-size: 16px;
    line-height: 28px;
    color: rgba(17, 17, 17, 0.7);
}
.zxkc_dtl_item .block1 .txt div.dx p{
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 84px;
}
.zxkc_dtl_item .block1 .txt div.js p{
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    max-height: 112px;
}
.zxkc_dtl_item .block1 .txt div span{
    position: absolute;
    left: 0;
    top: 0;
    font-size: 16px;
    line-height: 28px;
    color: rgba(17, 17, 17, 0.7);
    padding-left: 25px;
}
.zxkc_dtl_item .block1 .txt div span img{
    position: absolute;
    left: 0;
    top: 5px;
}
.zxkc_dtl_item .block1{
    padding-bottom: 21px;
    margin-bottom: 38px;
    border-bottom: 1px solid #f0f0f0;
}
.zxkc_dtl_item .block2 li{
    float: left;
    width: 30.99%;
    margin-left: 3.515%;
    margin-bottom: 33px;
}
.zxkc_dtl_item .block2 li:nth-child(3n+1){
    margin-left: 0;
}


.zxkc_dtl_item .block2 li a{
    display: block;
    color: inherit;
}
.zxkc_dtl_item .block2 li a .img_hz{
    position: relative;
    height: 193px;
    overflow: hidden;
}
.zxkc_dtl_item .block2 li .img_hz img{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: .5s ease-out;
}
.zxkc_dtl_item .block2 li .txt h2{
    font-size: 16px;
    color: #333;
    line-height: 20px;
    text-align: center;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
    font-weight: normal;
    margin-bottom: 8px;
}
.zxkc_dtl_item .block2 li .txt p{
    font-size: 14px;
    line-height: 20px;
    color: rgba(17, 17, 17, 0.6);
    text-align: center;
}
.zxkc_dtl_item .block2 li .txt{
    padding-top: 16px;
}
.zxkc_dtl_item .block2 li:hover .img_hz img{
    transform: scale(1.05);
}
.zxkc_dtl_item .block2 li:hover .txt h2{
    color: #0049b5;
}
.zxkc_dtl_item .block2 .gd a{
    display: block;
    width: 125px;
    margin: 0 auto;
    font-size: 14px;
    line-height: 34px;
    color: #0049b5;
    text-align: center;
    border: 1px solid #dddddd;
    border-radius: 50px;
    background: #fafafa;
    transition: .5s;
}
.zxkc_dtl_item .block2 .gd a:hover{
    color: #fff;
    background: #0049b5;
    border-color: #0049b5;
}

.zxkc_dtl_list li a{
    display: block;
    font-size: 16px;
    line-height: 44px;
    color: #111;
    padding-left: 20px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.zxkc_dtl_list li{
    position: relative;
}
.zxkc_dtl_list li:before{
    position: absolute;
    content: '';
    left: 0;
    top: 50%;
    width: 9px;
    height: 2px;
    background: #0049b5;
    margin-top: -1px;
}
.zxkc_dtl_list li:hover a{
    color: #0049b5;
}
.zxkc_dtl_list{
    padding-top: 23px;
}
.zxkc_dtl_item{
    margin-bottom: 37px;
}