/*浜у搧瑙嗛*/
.service_video {
    width: 100%;
    overflow: hidden;
    background-color: #f5f5f5;
    padding: 50px 0 25px;
}

.service_video h2 {
    width: 120px;
    font-size: 30px;
    line-height: 58px;
    margin: 0 auto;
    color: #333333;
    border-bottom: 3px solid #004098;
}

.service_video .video_list {
    width: 100%;
    overflow: hidden;
    margin: 40px 0 0;
}

.video_list video {
    display: block;
    width: 460px;
    background-color: #000000;
    float: left;
    height: auto;
}

.container_video {
    margin-right: auto;
    margin-left: auto;
}

@media only screen and (max-width: 991px) {
    .video_list video {
        width: 329px;
    }

    .video_list video:nth-of-type(2n+1) {
        margin: 0 30px 30px 0;
    }

    .video_list video:nth-of-type(2n) {
        margin: 0 0 30px;
    }
}

@media only screen and (max-width: 767px) {
    .service_video {
        padding: 30px 0;
    }

    .service_video h2 {
        width: 96px;
        font-size: 24px;
        line-height: 40px;
        border-bottom-width: 2px;
    }

    .service_video .video_list {
        margin: 25px 0 0;
    }

    .video_list video {
        width: 100%;
    }

    .video_list video:nth-of-type(2n+1),
    .video_list video:nth-of-type(2n) {
        margin: 0 0 20px;
    }
}

@media only screen and (min-width: 992px) {
    .video_list video {
        width: 460px;
    }

    .video_list video:nth-of-type(2n+1) {
        margin: 0 50px 30px 0;
    }

    .video_list video:nth-of-type(2n) {
        margin: 0 0 30px;
    }
}

@media only screen and (min-width: 1250px) {
    .video_list video {
        width: 356.66px;
    }

    .video_list video:nth-of-type(3n+1),
    .video_list video:nth-of-type(3n+2) {
        margin: 0 30px 30px 0;
    }

    .video_list video:nth-of-type(3n) {
        margin: 0 0 30px;
    }
}

@media only screen and (min-width: 1500px) {
    .video_list video {
        width: 460px;
    }
}

@media only screen and (max-width: 1249px) {
    body {
        font-size: 14px;
    }

    .container_video {
        width: 970px;
        padding: 0;
    }
}

@media only screen and (max-width: 991px) {
    .container_video {
        width: 688px;
        padding: 0;
    }
}

@media only screen and (max-width: 767px) {
    body {
        font-size: 12px;
    }

    .container_video {
        width: 335px;
        padding: 0;
    }
}

@media only screen and (min-width: 1250px) {
    body {
        font-size: 16px;
    }

    .container_video {
        width: 1130px;
        padding: 0;
    }
}

@media only screen and (min-width: 1500px) {
    .container_video {
        width: 1440px;
    }
}