.mt20 {}

@media (min-width:769px) {
    .down-main {
        height: 30px;
        line-height: 30px;
        margin-top: 20px;
        margin-bottom: 20px;
    }
    .play-index .text-list-html {
        width: 100%;
        height: 550px;
    }
}

@media (max-width:769px) {
    .down-main {
        width: 100%;
        min-height: 30px;
        line-height: 30px;
        /* margin: 0 auto; */
        /*  */
        margin-top: 20px;
        margin-bottom: 20px;
    }
}

.play-down {
    width: 140px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    margin-right: 15px;
    margin-left: 15px;
    background: rgb(64, 167, 206);
    color: white;
    float: left;
}

.no-see {
    width: 140px;
    background: rgb(252, 140, 142);
    color: white;
    height: 30px;
    line-height: 30px;
    margin-right: 15px;
    float: left;
}

.content-next {
    color: #999;
}

.content-next a {
    color: #333;
}

.ad-top1 {
    width: 100%;
    height: 140px;
    ;
}

.ad-top3 {
    width: 100%;
    height: 222px;
}

.ad-top3 .ad-item {
    width: 200px;
    height: 200px;
}

img {
    /* float: left; */
    width: 160px;
    height: 100px;
    display: block;
    object-fit: cover;
}

@media (max-width:737px) {
    .next-page {
        width: 100%;
        height: 45px;
        line-height: 45px;
        margin: 0 auto;
        text-align: right;
    }
    .collection {
        background: rgb(252, 140, 142);
        color: white;
        height: 30px;
        line-height: 30px;
        margin-right: 15px;
        float: left;
    }
    .btn-wb {
        width: 23%;
    }
}

@media (min-width:737px) {
    img {
        border: 0;
        vertical-align: middle;
        width: 100%;
    }
    .next-page {
        height: 45px;
        line-height: 45px;
        margin: 0 auto;
        text-align: right;
    }
    .collection {
        width: 140px;
        background: rgb(252, 140, 142);
        color: white;
        height: 30px;
        line-height: 30px;
        margin-right: 15px;
        float: left;
    }
}

.clear-class {
    clear: both;
}