.suspension {
    background-color: #ffffff;
    z-index: 999999;
    width: 100%;
}

body {
    background-color: #ffffff;
}
/* .topadv{position: fixed;top: 0; z-index:999999;} */
/* 侧边分类导航栏css */
.clearfix:after {
    content: '.';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden
}

.clearfix:before {
    content: '.';
    display: block;
    height: 0;
    clear: both;
    visibility: hidden
}

.header .menu-bar {
    height: 36px
}

.view {
    width: 1200px;
    margin: 0 auto
}

.header .menu-bar .category {
    width: 200px;
    position: relative;
    float: left;
    cursor: pointer;
    z-index: 100
}

.category-option {
    width: 230px;
    padding-left: 60px;
    padding: 0px;
    background: #f6f6f6;
    position: absolute;
    z-index: 101;
    display: block;
    height: 440px
}

    .category-option .cat-item:hover {
        background-color: #94252a;
        color: #ffffff;
    }

    .category-option .cat-item p:link {
        color: #ffffff;
    }

    .category-option .cat-item p:visited {
        color: #ffffff;
    }

    .category-option .cat-item p:hover {
        color: #ffffff;
    }

    .category-option .cat-item p:active {
        color: #ffffff;
    }

.cat-item {
    height: 62px;
    line-height: 62px;
    vertical-align: top;
    transition: .2s ease-in-out;
    margin: 10px auto;
}

.sub-cat {
    overflow: hidden;
    display: none;
    width: 616px;
    height: 425px;
    padding: 9px 30px 25px 0;
    left: 200px;
    top: 0;
    background: rgba(255,255,255,1);
    z-index: 10000;
    position: absolute;
    line-height: 20px
}

.sub-cat {
    width: 713px;
}

.sub-cat-links {
    width: 700px;
}

.sub-group {
    padding-top: 16px;
}

.iconbg {
    width: 88px;
    height: 88px;
    background-color: #f3f3f3;
    font-size: 14px;
    margin-left: 20px;
    float: left;
    text-align: center;
    margin-bottom: 20px;
    cursor: pointer;
    position: relative;
}

.hotpic {
    width: 20px;
    height: 20px;
    padding-left: 5px;
    margin-bottom: 8px;
}

.iconbg i {
    color: #b10000;
    font-size: 36px;
    text-align: center;
    display: block;
    line-height: 60px;
}

.iconbg a {
    text-align: center;
    display: block;
}

.sub-group-list img {
    width: 50%;
    width: 200px;
    height: 113px;
    border: 1px solid #cccccc;
}

    .sub-group-list img:hover {
        cursor: pointer
    }

.sub-group-list li {
    float: left;
    padding-left: 20px
}

.sub-group-list a {
    font-size: 16px;
    padding-left: 20px;
}

.sub-group-list h2 {
    font-weight: normal;
    color: #666666;
    line-height: 28px;
    width: 200px;
    font-size: 14px;
    overflow: hidden;
    display: -webkit-box;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.sub-group-list span {
    color: #666666;
    display: block;
}

.sub-title {
    width: 710px;
    font-size: 18px;
    font-weight: bold;
    display: block;
    padding-bottom: 15px;
}

    .sub-title a {
        font-size: 16px;
        padding-left: 20px
    }

.sub-content {
    font-size: 14px;
    width: auto;
    padding: 0 10px;
    padding-bottom: 16px;
    padding: 10px 0;
    margin-left: 20px;
    display: block;
}

.sub-content-text {
    font-size: 14px;
    width: auto;
    padding: 0 10px;
    padding-bottom: 16px;
    padding: 10px 0;
    margin-left: 20px;
    float: left;
    height: 20px;
}

.sub-content a {
    margin-right: 15px;
    display: inline-block;
    color: #666666;
    line-height: 30px;
}

.sub-content span {
    font-weight: bold;
    font-size: 14px
}

.sub-content strong {
    color: #333333;
}

.cat-item.top-cat .txt {
    font-size: 16px;
    margin-left: 15px;
    width: 200px;
    height: 60px;
    margin-right: 10px;
    float: left;
    font-size: 16px;
}

    .cat-item.top-cat .txt:link {
        color: #333333;
    }

    .cat-item.top-cat .txt:visited {
        color: #ffffff
    }

    .cat-item.top-cat .txt:hover {
        color: #ffffff;
    }

.cat-item.hover {
    background: #333333;
    background: rgba(255,255,255);
    padding-left: 5px;
}

    .cat-item.hover a {
        color: #333333 !important
    }

        .cat-item.hover a:hover {
            color: #e62318 !important
        }

.cat-item:hover .sub-cat {
    display: block;
    opacity: 1;
    padding-left: 10px;
    animation: subcat .3s ease-in-out;
}

@keyframes subcat {
    from {
        padding-left: 0
    }

    to {
        padding-left: 10px;
    }
}

.scroll-banner {
    position: relative;
    z-index: 0;
    overflow: hidden;
    height: 440px;
}

.scroll-content {
    height: 440px;
}

    .scroll-content li {
        position: absolute;
        height: 440px;
        width: 715px;
    }

.scroll-item {
    position: absolute;
    width: 715px;
    top: 0;
    left: 0;
    text-align: center;
    display: none;
}

    .scroll-item .banner_r {
        position: absolute;
        right: 0;
        top: 20px;
    }

.scroll-index {
    position: relative;
    -webkit-filter: inherit;
    filter: inherit;
    width: 715px;
    height: 440px;
    margin: 0 auto;
}

.scroll-item .sc-big {
    position: relative;
}

.fadeInR {
    animation-name: fadeInR;
    animation-duration: 1.5s;
    animation-timing-function: linear;
}

@keyframes fadeInR {
    from {
        left: 0;
    }

    to {
        opacity: 1;
        filter: alpha(opacity=100);
        left: 0;
    }
}

.scroll-btn {
    position: absolute;
    overflow: hidden;
    bottom: 30px;
    z-index: 3;
    width: 715px;
    text-align: center;
}

    .scroll-btn span {
        display: inline-block;
        width: 30px;
        height: 5px;
        margin: 0 1px;
        cursor: pointer;
        background: #ffffff;
    }

        .scroll-btn span.current {
            background: #333333;
        }
/* 用户下拉菜单 */
.loginedbtn {
    flex: 1;
    position: relative;
}

    .loginedbtn .ol-list {
        display: none;
        position: absolute;
        top: 24px;
        left: 0;
        z-index: 999999999;
        background: #f6f6f6;
        width: 100%;
        padding-bottom: 15px;
        margin-top: 10px;
    }

    .loginedbtn > a {
        border: none;
        background-color: #f6f6f6;
        color: white;
    }

    .loginedbtn:hover .ol-list {
        display: block;
    }

    .loginedbtn .ol-list > li > a {
        font-size: 14px;
        text-decoration: none;
        display: block;
        height: 35px;
        display: flex;
        align-items: center;
        justify-content: center;
        line-height: 24px;
    }

/* 导航下拉菜单 */
.isnai_nav {
    margin: 0 auto;
    display: block;
    background-color: #f6f6f6;
}

.navigator {
    height: 60px;
    line-height: 60px;
    width: 950px;
}

    .navigator li {
        height: 45px;
        line-height: 45px;
        text-align: center;
        padding-top: 12px;
    }

.nav_search {
    width: 200px;
}

.loginbtn {
    margin-top: 10px;
    margin-right: 20px;
}

    .loginbtn a {
        display: block;
        width: 80px;
        height: 40px;
        float: left;
        line-height: 40px;
        text-align: center;
        margin-right: 2px;
        color: white;
    }

.loginedbtn a:hover {
    background-color: #1082ff;
    color: white;
}

.nav_s {
    width: 205px;
    border: 1px solid #cccccc;
    height: 25px;
    padding: 5px;
    margin-top: 12px;
    position: relative;
    margin-right: 10px;
    border-radius: 30px;
}

.menu_nav {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: center;
    z-index: 99999;
}

    .menu_nav * {
        box-sizing: border-box;
    }

    .menu_nav .center {
        width: 1200px;
    }

    .menu_nav .ul-list {
        display: flex;
    }

        .menu_nav .ul-list > li {
            flex: 1;
            position: relative;
        }

            .menu_nav .ul-list > li:last-child {
                border-right: none;
            }

            .menu_nav .ul-list > li > a {
                height: 35px;
                display: flex;
                align-items: center;
                justify-content: center;
                font-size: 18px;
                text-decoration: none;
                color: #333333;
            }

            .menu_nav .ul-list > li:hover .ol-list {
                display: block;
            }

    .menu_nav .ol-list {
        display: none;
        position: absolute;
        top: 40px;
        left: 0;
        z-index: 999;
        background: #f6f6f6;
        width: 100%;
        padding-bottom: 15px;
        margin-top: 10px;
    }

        .menu_nav .ol-list > li > a {
            font-size: 16px;
            text-decoration: none;
            display: block;
            color: #333333;
            height: 35px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 24px;
        }

            .menu_nav .ol-list > li > a:hover {
                background-color: #f5f5f5;
                height: 35px;
                color: #2159a8;
            }

/* banner上的新闻样式 */
.banner_r {
    z-index: 999999999;
    width: 220px;
    padding: 0 10px;
    margin: 0 auto;
    background: #f6f6f6;
    height: 440px;
}

.noticeTitle {
    height: 50px;
    line-height: 50px;
}

    .noticeTitle img {
        float: left;
        width: 20px;
        margin-top: 15px;
        margin-right: 10px;
    }

.noticeList li {
    line-height: 26px;
    overflow: hidden;
    display: -webkit-box;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

.noticeTitle h2 {
    font-size: 16px;
    font-weight: bold;
}


/* 内容部分 */
.index-news {
    margin-top: 30px;
    width: 380px;
    margin-right: 30px;
}

.index-news-title {
    margin-bottom: 20px;
    height: 34px;
    line-height: 34px;
}

    .index-news-title span {
        width: 6px;
        height: 34px;
        float: left;
        display: inline-block;
        background-color: #94252a;
        margin-right: 15px;
        color: #ffffff;
    }

    .index-news-title h2 {
        font-size: 28px;
        float: left;
    }

    .index-news-title a {
        float: right;
    }

.index-news-con {
}

    .index-news-con li {
        clear: both;
        height: 30px;
        width: 380px;
    }

        .index-news-con li a {
            width: 320px;
            color: #333333;
            line-height: 20px;
            font-size: 14px;
            overflow: hidden;
            display: -webkit-box;
            text-overflow: ellipsis;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            float: left;
        }

    .index-news-con span {
        float: right;
        color: #999999;
    }

    .index-news-con li a:hover {
        color: #068de5;
    }

/* 第一行资讯 */
.contentTitle {
    margin: 0;
    padding: 0;
    margin-bottom: 20px;
    overflow: hidden;
    padding: 30px 0 10px 0;
    position: relative;
}

    .contentTitle a {
        line-height: 60px;
        float: right;
        padding-right: 10px;
    }

    .contentTitle h1 {
        line-height: 60px;
        font-size: 30px;
        margin-left: 15px;
        float: left;
        color: #94252a;
    }

    .contentTitle img {
        float: left;
        width: 58px;
        height: 58px;
    }

.contentTitle_text {
    height: 75px;
}

.contentTitle_fg {
}


.titlePage {
    line-height: 24px;
    position: absolute;
    right: 0;
    top: 50px;
    z-index: 1;
    font-size: 16px;
}

.pnext-btn {
    display: inline-block;
    text-align: right;
    width: 205px;
}

.page-small {
    display: inline-block;
    margin-right: 5px;
    text-align: right;
    width: 90px;
}

.titlePage a.page-btn {
    border: 1px solid #dddddd;
    display: inline-block;
    height: 24px;
    position: relative;
    vertical-align: middle;
    width: 12px;
    border-radius: 200%;
    background-color: #ffffff;
}

.arrow-left-none {
    border-right: 5px solid #cccccc;
}

.arrow-left {
    border-bottom: 5px solid transparent;
    border-right: 5px solid #666666;
    border-top: 5px solid transparent;
    left: 8px;
    top: 7px;
}

.arrow-right {
    border-bottom: 5px solid transparent;
    border-left: 5px solid #666666;
    border-top: 5px solid transparent;
    left: 9px;
    top: 7px;
}

.arrow-left-none {
    border-right: 5px solid #cccccc;
}

.arrow-right-none {
    border-left: 5px solid #cccccc;
    margin-left: 10px;
}

.titlePage span {
    margin-bottom: 20px;
}

/*师资的样式*/
.teacherCon {
    margin: 0 auto;
}

    .teacherCon li {
        width: 194px;
        height: 350px;
        margin: 0 7px;
        float: left;
        background-color: #ffffff;
        border: 1px solid #e8e8e8;
        padding: 15px;
        transition: 0.5s;
        position: relative;
    }

        .teacherCon li:hover {
            transform: translateY(-5px);
            box-shadow: 0 0 0.5625rem rgba(0,0,0,.2);
            cursor: pointer;
        }

.teacherImg {
    width: 72px;
    height: 72px;
    text-align: center;
    margin: 0 auto;
    border-radius: 200%;
}

.teachermid {
}

.teacherCon img {
    width: 72px;
    height: 72px;
    border-radius: 200%;
}

.teacherCon h2 {
    font-size: 16px;
    color: #333333;
    height: 45px;
    line-height: 45px;
    text-align: center;
}

.teacherCon ul a {
    color: #666666;
    line-height: 30px;
    text-align: left;
    font-size: 14px;
    overflow: hidden;
    display: -webkit-box;
    text-overflow: ellipsis;
    -webkit-line-clamp: 5;
    -webkit-box-orient: vertical;
}

    .teacherCon ul a:hover {
        color: #2159a8;
    }

.teacherBot {
    color: #b10000;
    height: 45px;
    text-align: center;
    position: absolute;
    bottom: 0;
    border-top: 1px solid #cccccc;
    width: 194px;
    line-height: 45px;
}

.teacherBg {
    height: 560px;
    background-color: #f6f6f6;
    margin-top: 40px;
}

.teacherTitle {
    margin: 0;
    padding: 0;
    margin-bottom: 20px;
    overflow: hidden;
    padding: 30px 0 20px 0;
}

    .teacherTitle a {
        line-height: 60px;
        float: right;
        padding-right: 10px;
        color: #666666;
    }

    .teacherTitle h1 {
        line-height: 60px;
        font-size: 30px;
        margin-left: 15px;
        float: left;
        color: #94252a;
    }

    .teacherTitle img {
        float: left;
        width: 58px;
        height: 58px;
    }

/* 视频部分样式 */
.play {
    position: absolute;
    height: 82px;
    width: 82px;
    z-index: 20;
    background: url(https://www.snai.edu/cn/images_xinzeng/play.png) no-repeat center center;
    display: block;
    cursor: pointer;
    top: 50%;
    left: 50%;
    margin-top: -41px;
    margin-left: -41px;
}

.snaiedu {
    padding-top: 50px;
    overflow: hidden;
}

/*首页课程切换css*/
.indexCourse {
    height: 500px;
    margin-top: 5px;
}

.CourseSearch span {
    width: 50px;
    height: 38px;
    background-color: #0082C2;
    color: #ffffff;
    float: left;
    display: inline-block;
    font-size: 14px;
    color: #ffffff;
    text-align: center;
    line-height: 38px;
}

.courseSelectDiv ul {
    margin: 0;
    padding: 0;
}

.courseSelectDiv li {
    float: left;
    border: 1px solid #e8e8e8;
    padding-bottom: 6px;
    transition: 0.5s;
    width: 285px;
    overflow: hidden;
    margin-right: 13px;
    margin-bottom: 15px;
    overflow: hidden;
    height: 235px;
    background-color: #f6f6f6;
}

.courseSelectDiv img {
    border-bottom: 1px solid #e8e8e8;
    width: 285px;
    height: auto;
    border-bottom: 1px solid #dddddd;
    overflow: hidden;
    transition: 0.5s;
    -moz-transition: 0.5s;
    -webkit-transition: 0.5s;
    -ms-transition: 0.5s;
    -moz-transition: 0.5s;
}

.indexCourseImg {
    width: 285px;
    height: 160px;
    overflow: hidden;
    text-align: center;
    border-bottom: 1px solid #cccccc;
}

.courseSelectDiv li:after {
    clear: both;
}

.courseSelectDiv li:last-child {
    margin-right: 0;
}

.courseSelectDiv li:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 0.5625rem rgba(0,0,0,.2);
}

.courseSelectDiv h3 {
    display: block;
    color: #333333;
    line-height: 20px;
    font-size: 14px;
    font-weight: bold;
    margin: 0;
    height: 22px;
    padding: 10px;
    padding-bottom: 0;
    overflow: hidden;
    display: -webkit-box;
    text-overflow: ellipsis;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
}

    .courseSelectDiv h3:hover {
        color: #0082C2;
    }

.courseSelectDiv p {
    display: block;
    line-height: 22px;
}

.courseSelectDiv a:hover {
    text-decoration: none;
}

.courseSelectDiv span {
    display: inline-block;
    float: left;
    margin: 0;
    color: #b10000;
    font-size: 16px;
}

.courseSelectDiv .buy {
    float: right;
    border: 1px solid #b10000;
    border-radius: 20px;
    padding: 5px;
    font-size: 14px
}

.courseSelectDiv del {
    margin-left: 10px;
    font-size: 10px;
    color: #999999;
}

.courseDescribe {
    padding: 10px;
}

/* 免费课程和热门课程样式 */
.indexFreeTitle {
    height: 40px;
    line-height: 40px;
}

.indexFreeRig .indexFreeTitle img {
    width: 35px;
    height: 33px;
}

.indexFreeTitle h3 {
    margin-left: 10px;
    float: left;
}

.indexFreeLeft {
    width: 910px;
    position: relative;
}

.indexFreeRig {
    width: 290px;
}

.indexFreeCon {
    background-color: #f6f6f6;
    height: 480px;
    padding: 10px;
}

    .indexFreeCon span {
        margin-right: 10px;
        background: rgba(255,102,0,.8);
        color: #ffffff;
        width: 24px;
        height: 24px;
        display: inline-block;
        text-align: center;
        border-radius: 100%;
        line-height: 24px;
    }

    .indexFreeCon a {
        display: inline;
    }

    .indexFreeCon li {
        line-height: 48px;
        height: 48px;
        overflow: hidden;
        display: -webkit-box;
        text-overflow: ellipsis;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
    }

.freeLefTitle {
    height: 40px;
    width: 880px;
}

    .freeLefTitle .titlePage {
        line-height: 24px;
        position: absolute;
        right: 0;
        top: 10px;
        z-index: 1;
        font-size: 16px;
    }

    .freeLefTitle .titlePage {
        position: absolute;
        top: 0;
        right: 0;
        width: 105px;
    }

        .freeLefTitle .titlePage a.page-btn {
            border: 1px solid #dddddd;
            display: inline-block;
            height: 24px;
            position: relative;
            vertical-align: middle;
            width: 24px;
            border-radius: 200%;
            background-color: #ffffff;
        }

.arrow-left {
    border-bottom: 5px solid transparent;
    border-right: 5px solid #666666;
    border-top: 5px solid transparent;
    left: 8px;
    top: 7px;
    position: absolute;
}

.arrow-right {
    border-bottom: 5px solid transparent;
    border-left: 5px solid #666666;
    border-top: 5px solid transparent;
    left: 0px;
    top: 7px;
    position: absolute;
}

.sceneCon {
    background-color: #ffffff;
    height: 245px;
    padding: 10px;
}

    .sceneCon li {
        height: 40px;
        margin-bottom: 10px;
    }

.sceneCon {
    line-height: 20px;
}

    .sceneCon span {
        display: block;
        color: #999999;
    }

    .sceneCon a {
        color: #1082ff;
        overflow: hidden;
        display: -webkit-box;
        text-overflow: ellipsis;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
    }

        .sceneCon a:hover {
            color: #006ce2;
        }


.tabs-header, .tabs-scroller-left, .tabs-scroller-right, .tabs-tool, .tabs, .tabs-panels, .tabs li a.tabs-inner, .tabs li.tabs-selected a.tabs-inner, .tabs-header-bottom .tabs li.tabs-selected a.tabs-inner, .tabs-header-left .tabs li.tabs-selected a.tabs-inner, .tabs-header-right .tabs li.tabs-selected a.tabs-inner {
    border: none;
}

.theme-tab-blue-line .tabs li.tabs-selected a.tabs-inner {
    border-bottom: 5px solid #fabe00;
}


.index-trends {
    margin-bottom: 20px;
    margin-top: 30px;
}

    .index-trends li {
    }

.trendscon li {
    display: inline-block;
    width: 45%;
    float: left;
    cursor: pointer;
    transition: 0.5s;
}

    .trendscon li:hover {
        transform: translateY(-5px);
    }

.trendscon .trendsconImg {
    float: left;
}

    .trendscon .trendsconImg img {
        width: 200px;
        height: 112px;
        margin-right: 10px;
    }

.trendsconTxt {
}

    .trendsconTxt h2 {
        line-height: 20px;
    }

.index-trends .tabs li a.tabs-inner {
    font-size: 24px;
}

.index-trends .trendscon li {
    margin: 30px 40px 0 0;
}

.trendscon h2 {
    line-height: 22px;
    font-size: 14px;
    font-weight: normal;
    color: #000000;
    margin-bottom: 5px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    -webkit-line-clamp: 2;
}

.trendscon p {
    font-size: 14px;
    color: #999999;
    line-height: 22px;
}

.index-trends .theme-tab-blue-line .tabs li.tabs-selected a.tabs-inner {
    font-size: 24px;
}