.main .title {
    background: url('../images/video_title.png') no-repeat top;
    background-size: 100%;
}

.main .content {
    background-color: #ffffff;
    border: 2px solid #5e4532;
    border-radius: 0.2rem;
    position: relative;
    top: 0.2rem;
    left: 50%;
    margin-left: -4.5rem;
    width: 9rem;
    height: 70vh;
    padding: 0.3rem 0;
    overflow: hidden;
}

.main .content ul {
    width: 100%;
    height: 100%;
    overflow: auto;
}

.main .content li {
    position: relative;
    width: 4.10rem;
    height: 2.5rem;
    float: left;
    margin-left: 0.2rem;
    margin-bottom: 0.3rem;
    color: #ffffff;
    cursor: pointer;
}

.main .content li .video_poster {
    width: 4.10rem;
    height: 2.5rem;
}

.main .content li .video_poster img {
    width: 100%;
    height: 100%;
    overflow: hidden;
    object-fit: cover;
    filter: brightness(0.65);
    -webkit-filter: brightness(0.65);
    -moz-filter: brightness(0.65);
    -o-filter: brightness(0.65);
    -ms-filter: brightness(0.65);
}

.main .content li .video_intro {
    position: absolute;
    bottom: 0.1rem;
    left: 0.1rem;
    border-left: 0.08rem solid #ffffff;
    font-weight: bold;
    height: 0.3rem;
    line-height: 0.3rem;
    padding-left: 0.1rem;
}

.main .content li .poster_mask span:nth-of-type(1) {
    background: url('../images/btn-play0.png') no-repeat center;
    background-size: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.056rem;
    height: 0.816rem;
    animation: circle1 3s infinite linear;
    -webkit-animation: circle1 3s infinite linear;
    -moz-animation: circle3 1s infinite linear;
}

.main .content li .poster_mask span:nth-of-type(2) {
    background: url('../images/btn-play1.png') no-repeat center;
    background-size: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.8952rem;
    height: 0.8952rem;
    animation: circle2 3s infinite linear;
    -webkit-animation: circle2 3s infinite linear;
    -moz-animation: circle2 3s infinite linear;
}

@keyframes circle1 {
    0% {
        transform: translate(-50%, -50%) rotate(0);
        -webkit-transform: translate(-50%, -50%) rotate(0);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
        -webkit-transform: translate(-50%, -50%) rotate(360deg);
    }
}

@-webkit-keyframes circle1 {
    0% {
        transform: translate(-50%, -50%) rotate(0);
        -webkit-transform: translate(-50%, -50%) rotate(0);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
        -webkit-transform: translate(-50%, -50%) rotate(360deg);
    }
}

@keyframes circle2 {
    0% {
        transform: translate(-50%, -50%) rotate(0);
        -webkit-transform: translate(-50%, -50%) rotate(0);
    }
    100% {
        transform: translate(-50%, -50%) rotate(-360deg);
        -webkit-transform: translate(-50%, -50%) rotate(-360deg);
    }
}

@-webkit-keyframes circle2 {
    0% {
        transform: translate(-50%, -50%) rotate(0);
        -webkit-transform: translate(-50%, -50%) rotate(0);
    }
    100% {
        transform: translate(-50%, -50%) rotate(-360deg);
        -webkit-transform: translate(-50%, -50%) rotate(-360deg);
    }
}

.main .content li .poster_mask span:nth-of-type(3) {
    background: url('../images/btn-play2.png') no-repeat center;
    background-size: contain;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    /* IE 9 */
    -moz-transform: translate(-50%, -50%);
    /* Firefox */
    -webkit-transform: translate(-50%, -50%);
    /* Safari 和 Chrome */
    -o-transform: translate(-50%, -50%);
    /* Opera */
    width: 0.312rem;
    height: 0.4476rem;
}


/* 蒙版 */

.mask {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    position: absolute;
    left: 0;
    top: 0;
    z-index: 99;
}


/*视频*/

.video-play {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
}

.video-play .mask {
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    position: absolute;
    left: 0;
    top: 0;
    z-index: 1;
}

.video-play .content {
    width: 100%;
    height: 5.625rem;
    position: fixed;
    top: 50%;
    left: 0;
    margin-top: -2.8125rem;
    z-index: 999;
}

.video-play .content video {
    width: 100%;
    height: 100%;
}

.video-play .content .close {
    width: 2rem;
    height: 0.8rem;
    position: fixed;
    margin-left: -1rem;
    left: 50%;
    top: 50%;
    margin-top: 3.2rem;
    background: #ffedcd;
    font-size: 0.42rem;
    border-radius: 0.05rem;
    color: #4d3d31;
    text-align: center;
    line-height: 0.8rem;
}