.tvs-871t-container .bg-gray {
    background-color: #1e1e1e
}

.black_div {
    background: url(../img/bg_line.png) rgba(0, 0, 0, 0.3);
    width: 100%;
    height: 100%;
    z-index: 10;
    position: absolute;
}

.video_bg_out {
    background-position: top;
    background-image: url('../img/header-s.jpg?v=1');
    background-attachment: fixed;
}

@media (min-width: 668px) {
    .video_bg_out {
        /* background-size: cover; */
        background-position: center top;
        background-image: url('../img/header.jpg?v=1');
        background-attachment: fixed;
    }
}

.video_bg {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
    min-height: 450px;
}

.video_dom {
    z-index: -99;
    overflow: hidden;
}

.video_iframe {
    position: absolute;
}

.video_txt {
    position: absolute;
    color: #ffffff;
    z-index: 15;
    background: rgba(0, 38, 51, 0.9);
    padding: 30px;
}

.video_title {
    line-height: 1.2em;
    opacity: 1;
    filter: alpha(opacity=100);
    /* animation-name: video_title; animation-duration: 3s; -webkit-animation-duration: 3s;  -moz-animation-duration: 3s; animation-delay:0.3s; */
}

.video_slogan {
    line-height: 1.5em;
}

@keyframes video_title {
    0% {
        opacity: 0.1;
        filter: alpha(opacity=10);
    }
    100% {
        opacity: 1;
        filter: alpha(opacity=100);
    }
}

.video_txt {
    left: auto;
    width: 90%;
    margin-left: 5%;
    margin-top: 17vh;
}

@media (min-width: 320px) {
    .video_title {
        font-size: 36px;
        text-align: center;
    }
    #video_iframe {
        display: none;
    }
    .vidoe_dom {
        height: 380px;
    }
    #video_cover>img {
        object-fit: cover;
        height: 380px;
        width: 100%;
    }
}

@media (min-width: 480px) {
    .video_slogan {
        font-size: 18px;
    }
    .video_bg_out {
        background-size: cover;
    }
    .video_txt {
        margin-top: 15vh;
    }
}

@media (min-width: 800px) {
    #video_iframe {
        display: block;
    }
    .vidoe_dom {
        height: auto;
    }
    #video_cover>img {
        object-fit: cover;
        height: auto;
    }
    .video_bg {
        padding-bottom: 56.25%;
    }
    .video_bg_out {
        height: 550px;
        overflow: hidden;
    }
    .video_txt {
        margin-top: 23vh;
    }
}

@media (min-width: 768px) {
    .tvs-871t-container .bg-gray {
        background-color: rgba(30, 30, 30, 0.9);
    }
}

@media (min-width: 1000px) {
    .video_txt {
        left: 50%;
        width: 920px;
        margin-left: -460px;
        margin-top: 20vh;
    }
    .video_bg_out {
        height: 600px;
        overflow: hidden;
    }
    .tvs-871t-container .bg-gray {
        background-color: rgba(30, 30, 30, 0.9);
    }
    .talk {
        float: left;
        width: 48%;
    }
    .talk p {
        padding-left: 50px;
        padding-top: 3vh;
        width: 90%;
        font-size: 18px;
        font-size: 1.8rem;
    }
    .fC.container.list img {
        float: left;
        max-width: 450px;
    }
}