/* 列表页 */

.nmsj_channel {
    position: relative;
    display: flex;
    width: 100%;
    height: 50px;
    padding-left: 20px;

}

.nmsj_channel::before {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    content: '';
    width: 10px;
    height: 100%;
    background: url(../images/nmsj_channel_before.png) left center / 50% auto no-repeat;
}

.nmsj_channel span {
    padding-right: 20px;
    line-height: 50px;
    font-size: 42px;
    font-weight: 800;
    color: #279f62;
}

.nmsj_channel i {
    flex: 1;
    background: url(../images/nmsj_channel_bg.png) left center / auto 80% no-repeat;
}

.video_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    padding: 60px 50px 0;
}

.video_list li {
    width: 30%;
    height: auto;


}

.video_list li .overImg {
    display: block;
    width: 100%;
    height: 240px;
    border: 3px solid #f5a900;
    border-radius: 20px;
}

.video_list li i {
    display: -webkit-box;
    width: 100%;
    height: 150px;
    background: url(../images/mtbd_slide_bg.png) center -22px / 100% 55px no-repeat;
    padding: 20px 15px 15px;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
    text-align: center;
}

.video_list li i span {
    width: 100%;
    background: transparent linear-gradient(#fff, #fff) center bottom / 100% 8px no-repeat;
    font-size: 20px;
    font-weight: 800;
    line-height: 36px;
    color: #279f62;
}


/* 长视频列表 */
.video_list_L {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
    padding: 60px 50px 0;
}

.video_list_L li {
    width: 300px;
    height: auto;
    margin-bottom: 40px;
    border: 1px solid #279f62;
    transition: all .5s;
    margin-right: 20px;
}

.video_list_L li .overImg {
    display: block;
    width: 100%;
    height: 560px;
}

.video_list_L li i {
    display: -webkit-box;
    width: 100%;
    height: 80px;
    background: #fff;
    font-size: 20px;
    line-height: 1.6;
    padding: 10px;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
    transition: color .8s ease;
}

.video_list_L li i span {
    background: linear-gradient(#279f62, #2fdd84) left bottom / 0% 1px no-repeat;
    transition: background .8s ease;
}

.video_list_L li:hover {
    box-shadow: -5px 5px 20px 0px #279f62;
}

.video_list_L li:hover i {
    color: #279f62;
}

.video_list_L li:hover i span {
    background-size: 100% 1px;
}

/* 当前位置 */
.navigation {
    margin: 0 !important;
}

/* 内容页 */
.video_content {
    width: 100%;
    height: auto;
    padding: 20px 30px;
}

.video_title {
    width: 100%;
    height: auto;
    padding: 20px;
    background: linear-gradient(to right, #279f62, #ffffff) center bottom / 100% 2px no-repeat;
}

.video_title h2 {
    margin-bottom: 20px;
    font-size: 36px;
    line-height: 56px;
    font-weight: 800;
    text-align: center;
}


.video_title span {
    font-size: 20px;
    color: #999;
}

.video_content_main {
    width: 100%;
    min-height: 500px;
    margin: 30px 0 0;
}

.video_content_main video {
    display: block;
    max-width: 50%;
    margin: 0 auto;
}