* {
    box-sizing: border-box;
    text-decoration: none;
}

.copy div {
    display: inline;
}

.w_live {
    margin-top: 16px;
    padding: 30px 20px 0 20px;
    background: #FFFFFF;
}

    .w_live .top_header {
        padding-bottom: 18px;
    }

        .w_live .top_header .title {
            font-size: 24px;
            font-weight: bold;
            color: #333333;
            line-height: 32px;
            margin-right: 50px;
        }

        .w_live .top_header .nav_item {
            display: inline-block;
            vertical-align: top;
            font-size: 14px;
            color: #333333;
            line-height: 27px;
            padding-bottom: 4px;
            margin-right: 40px;
            cursor: pointer;
        }

            .w_live .top_header .nav_item.curr,
            .w_live .top_header .nav_item:hover {
                color: #06BE6A;
                border-bottom: 1px solid #06BE6A;
            }

        .w_live .top_header .btn {
            float: right;
            width: 200px;
            height: 32px;
            border-radius: 19px 19px 19px 19px;
            opacity: 1;
            border: 1px solid #06BE6A;
            padding-left: 18px;
            padding-right: 32px;
            background: url(../images/icon_search_h.png) right no-repeat;
            background-size: 14px 14px;
            background-position-x: 170px;
        }

    .w_live .liveList .no_data_img {
        display: block;
        margin: 0 auto;
    }

    .w_live .liveList .no_data_tip {
        text-align: center;
        color: #666666;
        padding-bottom: 30px;
    }

    .w_live .liveList ul li {
        position: relative;
        float: left;
        width: 23.5%;
        margin-right: 2%;
        margin-bottom: 20px;
        border-radius: 8px 8px 8px 8px;
        border: 1px solid #F2F6FC;
        list-style: none;
        padding-bottom:10px;
    }

        .w_live .liveList ul li:nth-child(4n) {
            margin-right: 0;
        }

        .w_live .liveList ul li .live_img {
            width: 100%;
            height: 124px;
            background: #FFFFFF;
            border-radius: 8px 8px 0px 0px;
        }

        .w_live .liveList ul li .title {
            height: 72px;
            padding: 0 10px;
            margin:10px 0 8px 0;
            font-size: 16px;
            font-weight: bold;
            color: #333333;
            line-height: 24px;
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
        }

        .w_live .liveList ul li:hover .title {
            color: #06BE6A;
        }

        .w_live .liveList ul li .platform {
            padding: 0 10px 8px 10px;
            overflow: hidden;
            white-space: nowrap;
            text-overflow: ellipsis;
            font-size: 14px;
            color: #333333;
            line-height: 20px;
        }

        .w_live .liveList ul li .person {
            height:40px;
            padding: 0 10px 10px 10px;
            overflow: hidden;
            white-space: normal;
            text-overflow: ellipsis;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            font-size: 14px;
            color: #999999;
            line-height: 20px;

        }

        .w_live .liveList ul li .time {
            position: absolute;
            top: 96px;
            left: 10px;
            font-size: 0;
        }

        .w_live .liveList ul li .time_img {
            width: 20px;
            height: 20px;
            border-radius: 3px;
        }

        .w_live .liveList ul li .time_text {
            display: inline-block;
            background: rgba(0, 0, 0, 0.6);
            border-radius: 0 3px 3px 0;
            font-size: 12px;
            font-weight: 500;
            color: #FFFFFF;
            line-height: 20px;
            padding: 0 6px;
            vertical-align: top;
        }

    .tip_popup {
        width: 400px;
        background: #FFFFFF;
        position: fixed;
        top: 50%;
        left: 50%;
        margin-top: -235px;
        margin-left: -200px;
        z-index: 101;
    }

    .tip_popup_header {
        text-align: center;
        position: relative;
        font-size: 20px;
        font-weight: 700;
        color: #333333;
        line-height: 60px;
        border-bottom: 1px solid #EEEEEE;
    }

        .tip_popup_header img {
            width: 24px;
            height: 24px;
            position: absolute;
            right: 20px;
            top: 18px;
            cursor: pointer;
        }

    .tip_popup_con {
        padding: 30px;
    }

        .tip_popup_con p {
            font-size: 16px;
            color: #333333;
            line-height: 22px;
            margin-bottom:30px;
        }
.tip_popup_con .tip_popup_con_barcode{
    width:160px;
    height:160px;
    margin:30px auto;
    display:block;
}

.tip_popup_con .tip_popup_con_btn {
    display: block;
    width: 140px;
    height: 46px;
    border-radius: 2px 2px 2px 2px;
    border: 1px solid #06BE6A;
    text-align: center;
    font-size: 16px;
    color: #06BE6A;
    line-height: 44px;
    text-align: center;
    margin: 0 auto;
}

   .zhezhao {
        z-index: 100;
        position: fixed;
        width: 100%;
        height: 100%;
        background: rgba(51, 51, 51, .7);
        top: 0;
        left: 0;
    }



/* 课程详情 */
.w_live_detail {
    margin-top: 16px;
    
}

    .w_live_detail .search_box {
        background: #fff;
        padding: 16px 24px;
        margin-bottom: 18px;
    }

    .w_live_detail .main_con {
        display: flex;
    }

    .w_live_detail .live_left {
        width: 910px;
        flex: 1 1 auto;
        margin-right: 20px;
    }
    .w_live_detail .live_left .up_area {
        width: 100%;
        background: #FFFFFF;
        padding:28px 24px 32px 24px;
        display:flex;
    }
        .w_live_detail .live_left .up_area .l_img{
            width:282px;
            height:162px;
            flex:0 0 auto;
        }
        .w_live_detail .live_left .up_area .r_title{
            flex:1 1 auto;
            padding-left:30px;
        }
            .w_live_detail .live_left .up_area .r_title .title {
                height: 60px;
                margin-bottom:20px;
                font-size: 20px;
                line-height: 30px;
                color: #000000;
                white-space:normal;
                text-overflow:ellipsis;
                display:-webkit-box;
                -webkit-line-clamp:2;
                -webkit-box-orient:vertical;
                overflow:hidden;
            }
            .w_live_detail .live_left .up_area .r_title .num {
                height:42px;
                font-size: 14px;
                line-height: 26px;
                color: #666666;
            }
                .w_live_detail .live_left .up_area .r_title .num span {
                    font-size: 20px;
                    line-height: 26px;
                    color: #FF7322;
                    padding-right:10px;
                }
            .w_live_detail .live_left .up_area .r_title .btn {
                display: inline-block;
                width: 120px;
                height: 40px;
                background: #2589FF;
                border-radius: 2px;
                font-size: 14px;
                line-height: 40px;
                color: #FFFFFF;
                text-align:center;
                margin-right:20px;
                vertical-align:top;
            }
                .w_live_detail .live_left .up_area .r_title .btn.join {
                    color: #2589FF;
                    background: #fff;
                    border: 1px solid #2589FF;
                }
                .w_live_detail .live_left .down_area {
                    padding: 18px 24px;
                    background: #fff;
                    margin-top: 20px;
                }
        .w_live_detail .live_left .down_area .top_bar {
            border-bottom: 1px solid #EEEEEE;
        }
            .w_live_detail .live_left .down_area .top_bar a {
                height:40px;
                display:inline-block;
                vertical-align:top;
                font-size: 16px;
                line-height: 26px;
                color: #999999;
                padding-bottom:16px;
                margin-right:80px;
            }
                .w_live_detail .live_left .down_area .top_bar a.curr {
                    color: #333333;
                    border-bottom: 2px solid #2589FF;
                }

        .w_live_detail .live_left .down_area .con_text {
            padding-top: 30px;
            min-height: 300px;
            font-size: 14px;
            line-height: 24px;
            color: #666666;
        }
            .w_live_detail .live_left .down_area .con_text img{
                max-width:100%;
            }
        .w_live_detail .live_left .down_area ul.tab li {
            width: 100%;
            height: 52px;
            margin-top: 20px;
            padding: 16px 20px 16px 60px;
            background: url(../images/icon_course.png) left no-repeat;
            background-size: 24px 18px;
            background-position-x: 20px;
            background-color: #EDEFF0;
        }
            .w_live_detail .live_left .down_area ul.tab li a {
                display: block;
                color: #666;
                line-height: 20px;
                font-size: 18px;
                overflow: hidden;
                white-space: nowrap;
                text-overflow: ellipsis;
            }
            .w_live_detail .live_left .down_area ul.tab li:hover,
            .w_live_detail .live_left .down_area ul.tab li.curr {
                background: url(../images/icon_course_curr.png) left no-repeat;
                background-size: 24px 18px;
                background-position-x: 20px;
                background-color: #EDEFF0;
            }
                .w_live_detail .live_left .down_area ul.tab li:hover a,
                .w_live_detail .live_left .down_area ul.tab li.curr a {
                    color: #333;
                }
            .w_live_detail .live_left .down_area ul.tab li:first-child {
                margin-top: 36px;
            }

                .w_live_detail .live_right {
                    width: 270px;
                    height: 810px;
                    background: #ffffff;
                    flex: 0 0 auto;
                    padding: 28px 24px;
                }
                .w_live_detail .live_right .top_title {
                    font-size: 18px;
                    font-weight: bold;
                    line-height: 24px;
                    color: #333333;
                }
                .w_live_detail .live_right ul li.item {
                    width: 100%;
                    margin-top: 20px;
                    height: 223px;
                    background: #FFFFFF;
                    box-shadow: 0px 0px 6px rgba(0, 0, 0, 0.08);
                }
                    .w_live_detail .live_right ul li.item:first-child{
                        margin-top:24px;
                    }
                    .w_live_detail .live_right ul li.item .desc {
                        padding: 12px;
                        font-size: 14px;
                        height: 64px;
                        line-height: 24px;
                        color: #333333;
                        white-space: normal;
                        overflow: hidden;
                        display: -webkit-box;
                        -webkit-line-clamp: 2;
                        -webkit-box-orient: vertical;
                        text-overflow: ellipsis;
                    }
                    .w_live_detail .live_right ul li.item .num {
                        font-size: 12px;
                        line-height: 16px;
                        color: #999999;
                        padding:0 12px;
                    }

.w_vedio_detail {
    margin-top: 16px;
    background: #0F0F1E;
    padding: 24px 40px;
    font-size:0;
}
    .w_vedio_detail .live_left {
        display:inline-block;
        width: 850px;
        vertical-align:top;
        margin-right:20px;
    }

        .w_vedio_detail .live_left .no_vedio {
            width:850px;
            height:478px;
            position:relative;
        }
            .w_vedio_detail .live_left .no_vedio .img {
                width:100%;
                height:100%;
                object-fit:cover;
                opacity:.8;
            }
            .w_vedio_detail .live_left .no_vedio .icon {
                position:absolute;
                top:50%;
                left:50%;
                transform:translate(-50%,-50%);
                cursor:pointer;
                width:60px;
                height:60px;
            }

            .w_vedio_detail .live_left .content {
                font-size: 20px;
                line-height: 30px;
                color: #FFFFFF;
                padding-top: 10px;
            }
        .w_vedio_detail .live_right {
            display: inline-block;
            width: 250px;
            height:478px;
            background: #1C1D30;
            padding: 24px;
        }
        .w_vedio_detail .live_right .top_title {
            font-size: 16px;
            line-height: 24px;
            color: #FFFFFF;
            border-bottom: 1px solid rgba(238, 238, 238, .1);
        }
            .w_vedio_detail .live_right .top_title span {
                display: inline-block;
                padding-bottom:16px;
                border-bottom: 2px solid #2589FF;
            }
        .w_vedio_detail .live_right a.item {
            display:block;
            width: 100%;
            height: 40px;
            padding: 10px 26px 10px 50px;
            margin-top: 16px;
            font-size: 14px;
            line-height: 20px;
            color: rgba(255, 255, 255, .6);
            background: url(../images/icon_course.png) left no-repeat;
            background-size: 21px 16px;
            background-position-x: 16px;
            background-color: #282943;
            white-space:nowrap;
            overflow:hidden;
            text-overflow:ellipsis;
        }
        .w_vedio_detail .live_right a.item:first-child{
            margin-top:20px;
        }
            .w_vedio_detail .live_right a.item:hover,
            .w_vedio_detail .live_right a.item.curr {
                color: rgba(255, 255, 255, 1);
                background: url(../images/icon_course_curr.png) left no-repeat;
                background-size: 21px 16px;
                background-position-x: 16px;
                background-color: #282943;
            }

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

    .top_search_common .logo {
        width: 140px;
        height: 46px;
        flex: 0 0 auto;
    }

    .top_search_common .search {
        height: 40px;
        margin-left: 124px;
        border: 2px solid #2589FF;
        flex: 1 1 auto;
    }

        .top_search_common .search .icon {
            width: 70px;
            height: 36px;
            text-align: center;
            cursor: pointer;
            background: #2589FF;
            float: right;
        }

            .top_search_common .search .icon img {
                width: 24px;
                height: 24px;
                margin-top: 6px;
            }

        .top_search_common .search .input {
            border: none;
            width: 510px;
            height: 36px;
            line-height: 36px;
            padding: 0 16px;
        }

    .top_search_common .btn_learn {
        width: 134px;
        height: 40px;
        background: #05BC8B;
        margin-left: 24px;
        font-size: 14px;
        color: #FFFFFF;
        line-height: 40px;
        cursor: pointer;
        text-align: center;
        flex: 0 0 auto;
    }

    .top_search_common .btn_vip {
        width: 134px;
        height: 40px;
        background: linear-gradient(180deg, #FD8086 0%, #DB0C17 100%);
        margin-left: 12px;
        font-size: 14px;
        color: #FFFFFF;
        line-height: 40px;
        cursor: pointer;
        text-align: center;
        flex: 0 0 auto;
    }

        .top_search_common .btn_learn .icon,
        .top_search_common .btn_vip .icon {
            width: 24px;
            height: 24px;
            margin-right: 4px;
            margin-top: 8px;
            vertical-align: top;
        }