.banner {
    width: 100%;
    position: relative;
}

.banner img {
    display: block;
    width: 100%;
}

.main .container {
    width: 1400px;
}

.main .video  {
    float: left;
    position: relative;
    width: 30.333%;
    margin: 1.5%;
  
    box-shadow: 1px 1px 4px 1px rgba(0, 0, 0, 0.3);
    
 
}
.main .video .video_layer:hover a{
    transform: scale(1.1);
}
.main .video video {
    display: block;
    object-fit: fill;
  
}

.main .video .video_layer {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    background-color: rgba(0, 0, 0, 0.3);
}

.main .video .video_layer p {
    font-size: 16px;
    color: #ffffff;
    text-align: center;
    letter-spacing: 9px;
    position: absolute;
    top: 35%;
    left: 50%;
    transform: translate(-50%);
    display: block;
}

.main .video .video_layer a {
    background-image: url(../images/video.png);
    background-repeat: no-repeat;
    background-position: center center;
    display: block;
    width: 120px;
    height: 120px;
    position: absolute;
    top: -20px;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    cursor: pointer;
    z-index: 19;
    transition: all 0.6s;
    transform: scale(0.9);
}

.main .video .video_layer h4 {
    margin-top: 20px;
    font-size: 20px;
    color: #FFFFFF;
    font-weight: 300;
    text-align: center;
    position: absolute;
    top: 60%;
    left: 50%;
    transform: translate(-50%);
    display: block;

}


@media screen and (max-width: 1450px) {
    .main .container {
        width: 1200px;
    }
}

@media screen and (max-width: 1250px) {
    .main .container {
        width: 1000px;
    }
}

@media screen and (max-width: 1050px) {
    .main {
        background-image: inherit;
        padding-top: 20px;
    }

    .main .container {
        width: 100%;
        box-sizing: border-box;
        padding: 0 10px;
        background-color: #ffffff;
    }
}

@media screen and (max-width: 800px) {
    .main .video  {
        width: 100%;
    }
    .main .tabs ul {
        display: block;
    }
}