﻿
body {
    background: #F5F6F7;
}

.head_top, .head_top_content {
    background: #FFFFFF !important;
}

.video-top {
    margin-top: 20px;
    width: 100%;
    height: 572px;
    background: #FFFFFF;
    border-radius: 8px;
    display: flex;
    justify-content: space-between;
    padding: 10px;
}

    .video-top .vt-right {
        width: 780px;
    }

        .video-top .vt-right .video-box {
            width: 780px;
            height: 440px;
           position:relative;
           border-radius: 8px;
           overflow: hidden;
        }
        .video-top .vt-right .video-bg {
            width: 780px;
            height: 440px;
            background: url('../../Images/videobg.png') no-repeat;
            background-size: 100%;
            position:absolute;
            top:0;
        }
            .video-top .vt-left {
                width: 340px;
            }

    .video-top .vt-right .vt-teacher, .left-info {
        margin-top: 20px;
        display: flex;
    }

        .video-top .vt-right .vt-teacher > img {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            margin-right: 20px;
        }

        .video-top .vt-right .vt-teacher > div > p:nth-child(1) {
            font-weight: bold;
            font-size: 20px;
            color: #333333;
        }

        .video-top .vt-right .vt-teacher > div > p:nth-child(2) {
            font-size: 14px;
            color: #666666;
            margin-top: 20px;
        }

    .video-top .vt-left > h2 {
        font-weight: bold;
        font-size: 24px;
        color: #333333;
        line-height: 32px;
    }

.left-info {
    justify-content: space-between;
}

    .left-info > div:nth-child(1) > p:nth-child(1) {
        font-size: 16px;
        color: #666666;
    }

    .left-info > div:nth-child(1) > p:nth-child(1) {
        font-size: 16px;
        color: #999999;
    }

    .left-info > div:nth-child(2) {
        width: 88px;
        height: 36px;
        background: linear-gradient( 90deg, #62DB7E 0%, #27CB4C 100%);
        border-radius: 4px;
        text-align: center;
        line-height: 36px;
        color: #FFFFFF;
       cursor:pointer;
    }

.line {
    width: 100%;
    height: 1px;
    border-top: 1px solid #E6E6E6;
    margin: 18px 0;
}

.sch-step .sch-step-item {
    display: flex;
    align-items: center;
    padding: 12px;
    cursor:pointer;
}

    .sch-step .sch-step-item img {
        width: 98px;
        height: 56px;
        margin: 0 10px;
    }

    .sch-step .sch-step-item > div:nth-child(3) {
        width: 196px;
    }

        .sch-step .sch-step-item > div:nth-child(3) > p {
            font-size: 14px;
            color: #333333;
            margin-bottom: 10px;
            width:188px;
        }

        .sch-step .sch-step-item > div:nth-child(3) > div, .video-detail {
            display: flex;
            justify-content: space-between;
        }

    .sch-step .sch-step-item .item-btn > div:nth-child(1) {
        font-size: 14px;
        color: #999999;
        line-height: 32px;
    }

    .sch-step .sch-step-item .item-btn > div:nth-child(2) {
        border: 1px solid #FF2E2E;
        font-size: 13px;
        color: #FF2E2E;
        border-radius: 4px;
        width: 58px;
        height: 26px;
        text-align: center;
        line-height: 24px;
    }

.sch-step {
    width: 100%;
    height: 320px;
    overflow-y: auto; /* 允许垂直滚动 */
    overflow-x: hidden; /* 隐藏横向滚动条 */
}

.sch-step-item:hover {
    background: #ECF9EF;
    border-radius: 8px 8px 8px 8px;
}

.video-detail {
    margin-top: 60px;
}

.del-right ul {
    width: 713px;
    display: flex;
    border-bottom: 1px solid #E6E6E6;
}

    .del-right ul li {
        margin-right: 80px;
        font-size: 20px;
        color: #666666;
        padding-bottom: 20px;
    }
.del-right .del-coninfo {
    width: 810px
}
    .del-right .del-coninfo img {
        width:100% !important;
    }
    .activeline {
        font-weight: bold;
        color: #18B83D !important;
        border-bottom: 2px solid #18B83D;
        position: relative;
    }

.del-coninfo > div {
    display: none;
    padding: 20px;
    background: #FFFFFF;
    margin-top: 20px;
    line-height: 24px;
    font-size: 16px;
    color: #666666;
}

.del-left {
    width: 330px;
    max-height: 1600px;
    padding: 20px;
    background: #FFFFFF;
    border-radius: 8px 8px 8px 8px;
}

    .del-left > p {
        font-weight: bold;
        font-size: 20px;
        color: #333333;
    }

        .del-left > p > span, .del-coninfo > div:nth-child(3) .sch-Chapters > span {
            display: inline-block;
            width: 4px;
            height: 22px;
            background: #18B83D;
            vertical-align: middle;
        }

    .del-left .commend-sch {
        margin-top: 20px;
        width: 294px;
        padding: 20px 0;
        border-top: 1px solid #E6E6E6;
        cursor:pointer;
    }

    .del-left .commend-sch:hover p {
        color: #18B83D !important;
    }

        .del-left .commend-sch > img {
            width: 100%;
            border-radius: 8px 8px 8px 8px;
            height: 168px;
        }

        .del-left .commend-sch > p:nth-child(2) {
            font-size: 16px;
            color: #333333;
            margin: 10px 0
        }

        .del-left .commend-sch > p:nth-child(3) {
            font-size: 14px;
            color: #999999;
        }

.del-coninfo > div:nth-child(3) .sch-Chapters {
    height: 46px;
    line-height: 46px;
    background: #F9F9F9;
    padding: 0 20px;
    margin-top:20px;
    cursor:pointer;
}
    .del-coninfo > div:nth-child(3) .sch-Chapters:nth-child(1) {
        margin-top:0;
    }
    .del-coninfo > div:nth-child(3) .sch-Chapters:hover, .schactive {
        background: #ECF9EF !important;
        border-radius: 8px 8px 8px 8px;
    }

.dialogbg {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 999;
}

.dialogbox {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 860px;
    background: #fff;
    border-radius: 10px;
    z-index: 9999;
    padding: 40px;
    display: flex;
}

    .dialogbox > img:nth-child(1) {
        width: 294px;
        height: 168px;
        margin-right: 20px;
    }

    .dialogbox > div {
        width: 100%;
    }

        .dialogbox > div > p:nth-child(1) {
            font-weight: bold;
            font-size: 24px;
            color: #333333;
            margin-bottom: 30px;
        }

        .dialogbox > div > div:nth-child(2) {
            font-size: 16px;
            color: #666666;
        }

            .dialogbox > div > div:nth-child(2) > span:nth-child(1) {
                font-weight: bold;
                font-size: 32px;
                color: #FF2E2E;
            }

            .dialogbox > div > div:nth-child(2) > span:nth-child(2) {
                text-decoration-line: line-through;
            }

        .dialogbox > div > div:nth-child(3) {
            background: linear-gradient(90deg, #62DB7E 0%, #27CB4C 100%);
            width: 88px;
            text-align: center;
            line-height: 36px;
            color: #fff;
            border-radius: 4px;
            float: right;
            margin-top: 20px;
        }

.dialogclose {
    position: absolute;
    right: 20px;
    top: 20px;
    width: 32px;
}
.vjs-poster {
    /* top: -1px !important; */
    background-color: #ffffff !important;
}

