.video-show{
    width: 86.458vw;
    margin: 2.083vw auto 10.417vw;
    padding: 0vw 0.417vw;
}
.show-box{
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.show-box-left{
    width: 24.219vw;
}
.video-title{
    width: 100%;
    margin-bottom: 2.083vw;
}
.video-title h5{
    font-size: 1.563vw;
    line-height: 2.188vw;
    font-family: 'pingfang',sans-serif;
    text-align: left;
    color: #000;
}
.video-class-box{
    width: 100%;
    height: 45.833vw;
    overflow-x: auto;
}
.video-class{
    width: 100%;
    margin-bottom: 2.083vw;
}
.class-title{
    width: 100%;
    border-bottom: 0.052vw solid #ececec;
}
.class-title h6{
    font-size: 0.833vw;
    line-height: 1.146vw;
    font-family: 'pingfang',sans-serif;
    margin-bottom: 0.833vw;
    color: #000;
}
.classbox{
    width: 100%;
    
}
.classbox-con{
    width: 100%;
    height: 4.688vw;
    margin-top: 1.563vw;
    display: flex;
    align-items: center;
}

.boxcon-img{
    width: 8.333vw;
    height: 100%;
    position: relative;
}

.boxcon-img.active {
    position: relative; /* 确保伪元素定位基于这个元素 */
}

.boxcon-img.active::after {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(0, 0, 0, 0.4); /* 透明黑色蒙层 */
    z-index: 1;
}

.boxcon-img.active::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.563vw;  /* 播放图标大小 */
    height: 1.563vw;
    background: url('../img/zt.svg') no-repeat center center;
    background-size: contain;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.boxcon-img.active.pausing::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.563vw;  /* 播放图标大小 */
    height: 1.563vw;
    background: url('../img/bf.svg') no-repeat center center;
    background-size: contain;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.boxcon-img.active.playing::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.563vw;  /* 播放图标大小 */
    height: 1.563vw;
    background: url('../img/bf.svg') no-repeat center center;
    background-size: contain;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.boxcon-img img{
    width: 8.333vw;
    height: 100%;
}

.boxcon-img p{
    font-size: 0.469vw;
    line-height: 0.781vw;
    color: #000;
    font-family: '思源宋体',sans-serif;
    width: 5.729vw;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    position: absolute;
    top: 15%;
    left: 7%;
}

.boxcon-text{
    width: 100%;
    margin-left: 0.938vw;
}
.boxcon-text h4{
    font-size: 0.781vw;
    line-height: 1.042vw;
    font-family: 'pingfang',sans-serif;
    color: #000;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.boxcon-text p{
    font-size: 0.625vw;
    line-height: 1.042vw;
    color: #999;
    font-family: 'pingfang',sans-serif;
    margin: 0.625vw 0vw 0.521vw;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.boxcon-text span{
    font-size: 0.573vw;
    line-height: 0.833vw;
    color: #999;
    font-family: 'pingfang',sans-serif;
    margin-right: 0.938vw;
}
.show-box-right{
    width: 57.292vw;
}
.right-con{
    width: 100%;
    margin-top: 3.125vw;
}

.right-con-tilte{
    width: 100%;
    display: flex;
    align-items: start;
    justify-content: space-between;
    margin-bottom: 1.354vw;
}

.right-con-tilte h5{
    font-size: 1.563vw;
    line-height: 2.188vw;
    font-family: 'pingfang',sans-serif;
    color: #000;
    margin-bottom: 0vw;
}

.shoucang{
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: end;
}

.shoucang img{
    width: 0.833vw;
}

.shoucang span{
    font-size: 0.729vw;
    color: #000;
    font-family: 'pingfang',sans-serif;
    border-bottom: 1px solid #000;
}


.right-con p{
    font-size: 1.042vw;
    line-height: 1.875vw;
    color: #000;
    font-family: 'pingfang',sans-serif;
    text-align: justify;
    margin: 0;
}

.right-video{
    width: 100%;
    position: relative;
}
.video-js{
    height: 32.188vw;
}
/* 遮罩层 */
#kfoverlay {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0,0,0,0.4); /* 灰色透明 */
    z-index: 9999;
}

/* 弹窗 */
#popupk {
    display: none; /* 默认隐藏 */
    position: fixed;
    top: 50%;
    left: 50%;
    width: 31.771vw;  /* 自定义宽 */
    height: 18.75vw; /* 自定义高 */
    background-color: #fff;
    transform: translate(-50%, -50%);
    z-index: 9999; /* 弹窗层级低于关闭按钮 */
    padding: 1.042vw;
    box-sizing: border-box;
    text-align: center;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

#popupk h5{
    font-size: 1.354vw;
    font-family: 'pingfang',sans-serif;
    margin: 0vw;
    font-weight: bold;
}

#popupk p{
    font-size: 0.833vw;
    font-family: 'pingfang',sans-serif;
    margin: 3.646vw 0vw;
}

.popup-btn{
    width: 7.292vw;
    height: 2.292vw;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 1.302vw;
    background-color: #000;
}

.popup-btn span{
    color: #fff;
    font-size: 0.729vw;
    font-family: 'pingfang',sans-serif;
}

/* 关闭按钮，放在遮罩层上 */
#popup-close {
    display: block;
    position: fixed;
    top: 1vw;
    right: 1vw;
    width: 0.938vw;
    height: 0.938vw;
    cursor: pointer;
    z-index: 9999; /* 最高层级 */
    user-select: none;
}
.video-p{
    position: absolute;
    top: 17%;
    left: 8%;
    font-size: 2.604vw;
    width: 40vw;
    font-family: '思源宋体',sans-serif;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    color: #000;
    font-weight: bold;
}

.show-box-pc{
    display: block;
}

.show-box-media{
    display: none;
}

@media screen and (max-width:767px) {
    body {
        padding-top: 17.067vw;
    }

    .show-box-pc{
        display: none;
    }

    .show-box-media{
        display: block;
    }

    .video-js {
        height: 57.6vw !important;
    }

    .video-show{
        width: 100%;
    }

    .show-box{
        display: block;
    }

    .show-box-right{
        width: 100%;
    }

    .show-box-left{
        width: 89.333vw;
        margin: 0 auto;
    }

    .video-p {
        position: absolute;
        top: 22%;
        left: 8%;
        font-size: 4.8vw;
        width: 72vw;
    }

    .right-con-tilte{
        margin-bottom: 8vw;
    }

    .right-con-tilte h5 {
        width: 72vw;
        font-size: 4.8vw;
        line-height: 6.667vw;
        font-family: system-ui, sans-serif;
    }

    .right-con-tilte img{
        width: 4.533vw;
        margin-top: 0.8vw;
    }

    .right-con{
        width: 89.333vw;
        margin: 0 auto;
        margin-top: 5.333vw;
    }


    .right-con p {
        font-size: 3.2vw;
        line-height: 5.333vw;
        font-family: system-ui, sans-serif;
    }

    .video-class-box{
        height: 100%;
        overflow: hidden;
    }

    .video-class{
        margin-bottom: 9.333vw;
    }

    .video-title h5 {
        display: none;
    }

    .class-title h6 {
        font-size: 3.733vw;
        line-height: 5.333vw;
        margin-bottom: 4vw;
        font-family: system-ui, sans-serif;
    }

    .classbox-con{
        margin-top: 5.333vw;
        height: 20vw;
    }

    .boxcon-img{
        width: auto;
    }
    .boxcon-img img{
        width: 35.733vw;
    }

    .boxcon-img p {
        font-size: 1.867vw;
        line-height: 2.667vw;
        width: 24vw;
        top: 14%;
    }

    .boxcon-text{
        margin-left: 2.667vw;
    }
    .boxcon-text h4 {
        font-size: 3.733vw;
        line-height: 5.333vw;
        font-family: system-ui, sans-serif;
    }
    .boxcon-text p {
        font-size: 2.933vw;
        line-height: 4.8vw;
        font-family: system-ui, sans-serif;
    }
    .boxcon-text span{
        font-size: 2.933vw;
        line-height: 4.8vw;
        margin-right: 4.267vw;
        font-family: system-ui, sans-serif;
    }

    .boxcon-img.active::before{
        width: 5.333vw;
        height: 5.333vw;
    }

    .boxcon-img.active.playing::before{
        width: 5.333vw;
        height: 5.333vw;
    }

}