section.content {
    box-shadow: 3px 5px 20px 0px rgba(223, 223, 223, 0.45) inset;
    width: 100%;
}

p {
    margin-bottom: 0;
}



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

.content_nav {
    padding-top: 28px;
    padding-bottom: 38px;
    font-weight: 400;
    font-size: 14px;
    color: #999999;
}

.content_info {
    display: flex;
    justify-content: space-between;
}

.content_left {
    width: 890px;
    background-color: #FFFFFF;
    border-radius: 10px;
    box-shadow: 3px 5px 20px 0px rgba(223, 223, 223, 0.45);
    padding: 20px;
    align-self: baseline;
}


.content_left_top {
    display: flex;
}

#player {
    width: 428px;
    height: 240px;
    border-radius: 4px;
}

.pv-video-player {
    height: 100% !important;
}

.teach {
    flex: 1;

}

.teach-info {
    margin-left: 31px
}

.teach-info-title {
    font-size: 28px
}

.teach-info-text {
    font-size: 16px;
    margin-top: 23px;
    display: flex;
}

.teach-info-label {
    color: #666;
    white-space: nowrap
}

.teach-info-eva {
    padding: 6px 5px;
    border-radius: 4px;
    color: #3891ff;
    font-size: 14px;
    background: #dfecfb;
    margin-left: 9px
}

.teach-info-light {
    color: #ffa313
}

.teach-info-light * {
    line-height: normal
}

.teach-info-del {
    text-decoration: line-through
}

.teach-info-gift {
    margin-left: 22px;
    color: #ffa313
}

.teach-info-gift span {
    font-size: 22px;
    font-weight: 600
}

.teach-btn {
    display: flex;
    margin-top: 30px
}

.teach-btn div {
    width: 143px;
    height: 48px;

    border-radius: 24px;
    display: flex;
    align-items: center;
    flex-direction: column;
    justify-content: center;
    cursor: pointer
}

.teach-btn-ask {
    background: #FF6F02;
    color: #fff;

    box-shadow: 1px 2px 4px 0 rgba(56, 145, 255, .2);
    margin-right: 20px
}

.teach-btn-ask p:last-child {
    margin-top: 5px
}

.teach-btn-learn {
    color: #FF6F02;
    border: 1px solid #FF6F02;
    box-shadow: 1px 2px 3px 0 rgba(255, 164, 19, .15);
}

.content_left_nav {
    display: flex;
    justify-content: space-between;
    padding: 0 40px;
    border-bottom: 1px solid #dcdcdc;
    margin-top: 53px;
    list-style: none;
}

.content_left_nav,
.content_left_nav li {
    position: relative
}

.content_left_nav li {
    padding-bottom: 16px;
    font-size: 18px;
    color: #666;
    cursor: pointer
}

.nav-slide {
    display: none;
}

.nav-active .nav-slide {
    display: block;
}

.content_left_nav li:hover {
    color: #FF6F02
}

.content_left_nav li:hover .nav-slide {
    display: block !important
}

.nav-active {
    color: #FF6F02 !important
}

.nav-eva {
    position: absolute;
    top: 3px;
    font-size: 14px;
    color: #999
}

.nav-free {
    position: absolute;
    top: -28px;
    left: 50%;
    transform: translate(-50%);
    width: 56px
}

.nav-slide {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: 2px;
    background: #FF6F02
}

.content_left_content>div {
    display: none;
}

.content_left_content>.content_left_content_active {
    display: block;
}

.zk,
.sq1 {
    display: none;
}

.log {
    margin-top: 10px
}

.log-test {
    width: 100%;
    height: 66px;
    background: #f5f5f5;
    justify-content: space-between;
    padding: 0 20px
}

.log-test-col,
.log-test-icon,
.log-test {
    display: flex;
    align-items: center
}

.log-test-icon div {
    width: 24px;
    margin-right: 8px
}

.log-test-icon p {
    color: #FF6F02;
    font-size: 16px
}

.log-test-info {
    display: flex;
    align-items: center;
    font-size: 14px;
    margin-left: 19px
}

.log-test-info p:nth-child(2) {
    font-size: 12px;
    color: #999;
    margin-left: 19px
}

.log-test-btn {
    width: 90px;
    height: 36px;
    background: #FF6F02;
    border-radius: 18px;
    color: #fff;
    font-size: 16px;
    text-align: center;
    line-height: 36px;
    cursor: pointer
}

.log-main {
    margin-top: 10px
}

.log-main-row {
    overflow: hidden;
    margin-bottom: 20px
}

.log-main-title {
    width: 100%;
    height: 40px;
    color: #fff;
    background: #FF6F02;
    display: flex;
    align-items: center;
    padding-left: 20px;
    transition: all .3s;
    cursor: pointer
}

.log-main-title div {
    width: 16px;
    margin-right: 10px
}

.log-main-title p {
    font-size: 18px
}

.flex-center {
    display: flex;
    align-items: center;
}

.log-main-gray {
    background: #f5f5f5;
    color: #000
}

.log-main-gray .zk {
    display: block;
}

.log-main-gray .sq {
    display: none;
}

.log-main-gray ul {
    display: none;
}

.log-main-son {
    padding-left: 20px
}

.log-main-sub {
    margin-top: 15px;
    display: flex;
    align-items: center;
    cursor: pointer
}

.log-main-sub div {
    width: 16px
}

.log-main-sub p {
    font-size: 14px;
    margin-left: 18px
}

.log-main-sun {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-left: 76px;
    border-bottom: 1px solid #ebebeb;
    padding-bottom: 14px
}

.log-main-see {
    font-size: 14px;
    margin-top: 18px
}

.log-main-see p:nth-child(2) {
    font-size: 14px;
    color: #999;
    margin-top: 7px
}

.log-main-btn {
    width: 70px;
    height: 32px;
    border: 1px solid #FF6F02;
    border-radius: 16px;
    color: #FF6F02;
    font-size: 14px;
    line-height: 32px;
    text-align: center;
    transition: all .3s;
    cursor: pointer
}

.log-main-btn-select,
.log-main-btn:hover {
    background: #FF6F02;
    color: #fff
}

.log-page {
    margin-top: 37px;
    text-align: center
}

.eva {
    padding-top: 10px
}

.eva-row {
    margin-top: 26px;
    padding-bottom: 17px;
    border-bottom: 1px solid #ebebeb
}

.eva-row-info {
    display: flex;
    align-items: center
}

.eva-row-info p {
    margin: 0 15px
}

.eva-row-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden
}

.eva-row-avatar img {
    width: 44px;
    height: 44px;
}

.eva-row-comment {
    color: #666;
    font-size: 14px;
    margin-top: 12px;
    line-height: normal
}

.eva-row-comment * {
    line-height: normal
}

.eva-row-img {
    margin-top: 15px;
    display: flex
}

.eva ul {
    list-style: none;
}

.eva-row-img-url {
    width: 158px;
    height: 158px;
    border: 1px solid #ebebeb;
    border-radius: 4px;
    padding: 8px;
    margin-right: 16px
}

.eva-row-img-url img {
    width: 144px;
    height: 144px;
}

.eva-row-img-url[data-v-c6ef0382]:last-child {
    margin-right: unset
}

.eva-row-time {
    color: #999;
    font-size: 12px;
    margin-top: 7px
}

.eva-page {
    margin-top: 37px;
    text-align: center
}

.wis-row {
    margin-top: 30px;
    display: flex
}

.wis-row-ring {
    width: 12px;
    height: 12px;
    border: 1px solid #FF6F02;
    border-radius: 50%
}

.wis-row-ctx {
    margin-left: 13px;
    flex: 1
}

.wis-row-ctx p:first-child {
    font-size: 16px;
    font-weight: 600;
    line-height: 1;
}

.wis-row-ctx p:nth-child(2) {
    font-size: 12px;
    color: #666;
    margin-top: 17px;
    line-height: normal
}

.wis-prompt {
    margin: 28px 0 0 24px;
    font-size: 12px;
    color: #999
}

.wis-prompt-red {
    color: #ff4343
}

.wis-prompt-blue {
    color: #FF6F02;
    cursor: pointer
}

.rich {
    width: 800px;
    margin: 0 auto;
    position: relative;
}


.rich img {
    width: 100%;
    height: 100%;
    -o-object-fit: cover;
    object-fit: cover;
}

.rich * {
    line-height: normal !important
}

.content_right {
    width: 280px;
}

.content_right_top {
    width: 280px;
    /* height: 505px; */
    background: #FFFFFF;
    box-shadow: 3px 5px 20px 0px rgba(223, 223, 223, 0.45);
    border-radius: 10px;
    padding: 10px 20px;
    padding-bottom: 30px;
}


.arte_fast_inpt1 {
    width: 237px;
    height: 48px;
    background: #FFFFFF;
    border: 1px solid #D6D6D6;
    border-radius: 4px;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 10px;
    padding: 0 20px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
}

select,
option {
    border: none;
    outline: none;
    appearance: none;
    -moz-appearance: none;
    -webkit-appearance: none;
}

input,
button {
    outline: 0;
    border: none;
}

.arte_fast_inpt1 select {
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #666666;
    height: 100%;
    width: 100%;
    padding-left: 20px;
}

.arte_fast_inpt2 {
    width: 237px;
    height: 48px;
    background: #FFFFFF;
    border: 1px solid #D6D6D6;
    border-radius: 4px;
    padding-left: 20px;
    box-sizing: border-box;
    margin: 0 auto;
    display: flex;
    align-items: center;
}

.arte_fast_inpt2 input {
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #999999;
    height: 100%;
    width: 100%;
    padding-left: 20px;
}

.arte_fast_inpt3 {
    width: 237px;
    display: flex;
    align-items: center;
    margin: 12px auto;
}

.arte_fast_inpt3 p {
    font-size: 12px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #999999;
    margin-left: 5px;
    margin-bottom: 0;
}

.arte_fast_inpt3 p a {
    color: #6C6EFF !important;
}

.content_right_top button {


    width: 237px;
    height: 48px;
    background: #FF8743;
    box-shadow: 2px 3px 8px 0px rgba(255, 135, 67, 0.3);
    border-radius: 24px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.arte_hot {
    width: 350px;
    background: #FFFFFF;
    border: 5px solid #FFFFFF;
    border-radius: 10px;
    margin: 10px 0;
    padding: 20px;
    box-sizing: border-box;
}

.arte_left_botm_tjname {
    display: flex;
    align-items: center;
}

.arte_left_botm_tjname p {
    width: 16px;
    height: 16px;
    background: #FFFFFF;
    border: 4px solid #6C6EFF;
    border-radius: 50%;
    margin-right: 8px;
}

.arte_left_botm_tjname strong {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
}

.arte_hot ul li a {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    margin-top: 20px;
    display: inline-block;
}

.arte_left_botm_tj ul {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

.arte_left_botm_tj ul li {
    width: 47%;
}

.arte_left_botm_tj ul li a {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    display: block;
    margin-top: 20px;
}

.content_right_top_txt {
    text-align: center;
    margin: 20px 0;
    font-size: 12px;
    font-family: PingFang;
    font-weight: 400;
    color: #666666;
}

.erw {
    display: block;
    width: 122px;
    height: 122px;
    border: 1px solid #CCCCCC;
    border-radius: 6px;
    margin: 0 auto;
}

.content_right_center {
    background: #fff;
    width: 280px;
    padding: 0 20px 30px;
    box-sizing: border-box;
    box-shadow: 3px 5px 20px 0px rgba(223, 223, 223, 0.45);
    margin-top: 20px;
    border-radius: 10px;
}

.content_right_tit {
    height: 47px;
    line-height: 47px;
    border-radius: 10px;
}

.content_right_img img {
    margin-top: 20px;
}

.kjkz_news {
    width: 280px;
    height: 544px;
    background: #FFFFFF;
    box-shadow: 3px 5px 20px 0px rgba(223, 223, 223, 0.45);
    border-radius: 10px;
    padding: 0 21px;
    margin-top: 20px;
}

.kjkz_news_tit {
    font-size: 20px;
    color: #333333;
    font-weight: bold;
    padding: 20px 0;
}

.kjkz_news_tit_time {
    width: 125px;
    height: 12px;
    font-size: 12px;
    font-family: PingFang;
    font-weight: 400;
    color: #999999;
    margin-left: 12px;
}

.kjkz_news_item {
    display: flex;
    align-items: center;
    margin-top: 26px;
    cursor: pointer;
}

.kjkz_news_item:hover .kjkz_news_item_number {
    color: #FF6F02;
}

.kjkz_news_item:hover .kjkz_news_item_info {
    color: #FF6F02;
}


.kjkz_news_item_number {
    font-size: 28px;
    font-family: Impact;
    font-weight: 400;
    color: #D9D8D6;
    line-height: 18px;
    margin-right: 18px;
}

.kjkz_news_item_info {
    font-size: 12px;
    font-weight: 400;
    color: #666666;
    line-height: 18px;
}

ul {
    margin-bottom: 0;
}

@media screen and (max-width:750px) {
    .content {
        width: 7.02rem;
    }

    .content_info {
        display: block;
    }

    #player {
        width: 6.4rem;
        height: 3.58rem;
        margin: 0 auto;
        border-radius: 4px;
    }

    .content_left_top_vedio {
        margin-bottom: 0.2rem;
    }

    .content_left,
    .content_right,
    .content_right_center {
        width: 7.02rem;
        height: auto;
    }

    .content_left {
        /* padding: 0.25rem 0.55rem; */
        padding: 0.35rem 0.3rem;
        margin-bottom: 0.4rem;
    }

    .rich {
        width: 6.4rem;
    }

    .teach-info-title {
        font-size: .48rem;
    }

    .teach-info-text {
        margin-top: .2rem;
        font-size: .28rem;
    }

    .teach-info {
        margin-left: 0;
    }

    .content_left_top {
        display: block;
    }

    .content_left_nav li {
        padding-bottom: .16rem;
        font-size: .18rem;
    }

    .log-main-title {
        padding-left: .2rem;
        height: .8rem;
    }

    .log-main-son {
        padding-left: .2rem;
    }

    .log-main-sun {
        margin-left: .9rem;
    }

    .log-main-title p {
        font-size: .36rem;
        white-space: nowrap;
        text-overflow: ellipsis;
        overflow: hidden;
    }

    .log-main-sub p {
        margin-left: .18rem;
    }

    .teach-btn div {
        width: 2.86rem;
        height: .96rem;
        border-radius: .48rem;
    }

    .teach-btn {
        margin-top: .4rem;
    }

    .content_left_nav {
        margin-top: .52rem;
        padding: 0;
    }

    .mySwiper {
        width: 6.22rem;
    }

    .tip {
        padding: .3rem .4rem;
    }

    .kjzx_content_list li {
        display: none;
        width: 100%;
        padding: 0 .6rem;
    }

    .kjzx_content_list li:nth-child(-n+10) {
        display: block;
    }

    .kjzx_content_list li div {
        width: 100%;
        font-size: .28rem;

    }


    .kjzx_content_list li span {
        font-size: .24rem;
    }

    .kjzx_content_nav {
        height: 1.2rem;
        overflow-x: auto;
    }

    .kjzx_content_nav div {
        width: 2.88rem;
        flex-shrink: 0;
        font-size: .36rem;
    }

    .kjzx_content_nav .isActive {
        font-size: .36rem;
    }

    .isActive_line {
        width: .68rem;
        height: .06rem;

    }

    .content_nav {
        padding-top: .29rem;
        padding-bottom: .43rem;
    }


    .pageTap,
    .pageTap a {
        font-size: .28rem;
        display: block;
        line-height: .5rem;
    }

    .pageTap {
        padding: .2rem 0;
    }

    .kjkz_news {
        width: 100%;
        margin-top: .4rem;
        height: 11.67rem;
        padding: 0 .42rem;

    }

    .kjzx_content_list {
        height: 12.68rem;
        margin-bottom: 0.4rem;
    }

    .kjkz_news_tit {

        font-size: .4rem;
        padding: .4rem 0;
    }

    .time {
        font-size: .24rem;
    }

    .kjkz_news_item {
        margin-top: .58rem;
    }

    .kjkz_news_img {
        width: 6.18rem;
        height: 3.48rem;
        border-radius: .06rem;
    }

    .kjkz_news_item_number {
        font-size: .56rem;
    }

    .kjkz_news_item_info {
        font-size: .24rem;
    }



    .aisle_inpt input {
        padding-left: .24rem;
        width: 100%;
        height: 100%;
    }

    .aisle_inpt img {
        width: .4rem;
        height: .4rem;
    }

    .avt {
        width: 1.76rem;
        height: 1.76rem;
        border-radius: 50%;
        margin-left: 0;
    }

    .msg {
        margin-left: .3rem;
        width: auto;
    }

    .msgName {
        font-size: .36rem;
    }

    .content_right_top {
        width: 7.02rem;
        padding: .25rem .55rem;
        padding-bottom: .75rem;
    }

    .content_right_top>img:first-child {
        width: 5.98rem;
    }

    .content_right_center {
        padding: 0 .4rem;
        padding-bottom: .36rem;
        margin-top: .4rem;
    }

    .content_right_img img {
        width: 6.19rem;
        height: 3.49rem;
        border-radius: .06rem;
        margin-bottom: .5rem;
        margin-top: 0;
    }

    .content_right_tit {
        height: 1.34rem;
        font-size: .4rem;
        line-height: 1.34rem;
        font-weight: bold;
        color: #333333;
    }

    .arte_fast_inpt1,
    .arte_fast_inpt2 {
        width: 5.96rem;
        height: 1.21rem;
        background: #FFFFFF;
        border: 1px solid #D6D6D6;
        border-radius: .16rem;
        margin-top: .26rem;
        margin-bottom: .25rem;
    }

    .arte_fast_inpt1 select,
    .arte_fast_inpt2 input {
        font-size: .3rem;
    }


    .arte_fast_inpt3 {
        width: auto;
        text-align: center;
        margin: .24rem 0;
    }

    .erw {
        width: 3.07rem;
        height: 3.07rem;
        border-radius: .12rem;
    }

    .content_right_top button {
        width: 5.96rem;
        height: 1.2rem;
        background: #FF8743;
        border-radius: .6rem;
    }


    .btn {
        flex-shrink: 0;
        display: block;

        width: 2.9rem;
        height: .88rem;

        line-height: .88rem;
        color: #fff !important;
        font-size: .24rem;
        border-radius: 0.44rem;
        text-align: center;
        padding: 0;
    }

}

.el-pager,
.el-pager li {
    vertical-align: top;
    display: inline-block;
    margin: 0;
}

.el-pager li {
    padding: 0 4px;
    background: #fff;
    font-size: 13px;
    min-width: 35.5px;
    height: 28px;
    line-height: 28px;
    box-sizing: border-box;
    text-align: center;
}

.el-pagination.is-background .btn-next,
.el-pagination.is-background .btn-prev,
.el-pagination.is-background .el-pager li {
    margin: 0 5px;
    margin-top: 0px;
    margin-right: 5px;
    margin-bottom: 0px;
    margin-left: 5px;
    background-color: #f4f4f5;
    color: #606266;
    min-width: 30px;
    border-radius: 2px;
}

.el-pagination.is-background .btn-prev:disabled,
.el-pagination.is-background .el-pager li.disabled {
    color: #c0c4cc;
}

.el-pagination.is-background .el-pager li:not(.disabled).active {
    background-color: #409eff;
    color: #fff;
}

.log-main-son ul{
    display: none;
}


        .course-info p span {
            color: #666;
        }

        .course-info .course-class {
            margin-left: 200px;
        }

        .course-info .title {
            margin-top: 50px;
            margin-bottom: 30px;
        }

        .course-col {
            padding: 35px;
        }

        .course-col .border-span {
            margin-bottom: 25px;
        }

        .course-arrange {
            padding: 40px 35px;
        }

        .course-arrange img {
            max-width: 100%;
        }

        .course-arrange .border-span {
            margin-bottom: 40px;
        }

        .teachar-info {
            margin-bottom: 25px;
        }

        .introduction,
        .course-info {
            padding: 20px 35px;
        }

        .introduction p:last-child {
            margin-bottom: 0;
        }



        .border-span {
            padding-left: 10px;
            border-left: 3px solid #FF6F02;

            color: #666;
        }

        .course-info-two {
            display: flex;
            margin-bottom: 10px;
        }

        #tab-1 p {

            margin-bottom: 10px;
        }

        .border-b {
            border-bottom: 1px solid #eee;
        }

        @media screen and (max-width:750px) {

            .introduction,
            .course-info {
                padding: .2rem .25rem;
            }

            .course-info .title {
                margin-top: .5rem;
                margin-bottom: .3rem;
            }

            .course-arrange .border-span {
                margin-bottom: .4rem;
            }

            .course-arrange {
                padding: .2rem;
            }

            .course-info .course-class {
                margin-left: 0px;
            }

            .course-info-two {
                display: block;
            }
        }