.poster-main {
    position: relative;
    margin: 0 auto;
}

.poster-main img {
    border-radius: 6px;
}

video {
    width: 500px;
    height: 100%;
    border-radius: 6px;
}

.poster-main a, .poster-main img {
    display: block;
    width: 100%;
    height: 100%;
}

.poster-main img {
}

.poster-main .poster-list {
    width: 1000px;
    height: 500px;
}

.poster-main .poster-list .poster-item {
    width: 200px;
    height: 500px;
    position: absolute;
    left: 0;
    top: 0;

}

.poster-main .poster-btn {
    position: absolute;
    top: 0;
    cursor: pointer;
    filter: opacity(.5) brightness(1);
}

.poster-main .poster-btn:hover {
    filter: opacity(1) brightness(2);
}

.poster-main .poster-prev-btn {
    left: 0;
    background: url(../img/qianbei/left.png) no-repeat center center;
}

.poster-main .poster-next-btn {
    right: 0;
    background: url(../img/qianbei/right.png) no-repeat center center;
}

.poster-item-title {
    font-size: 18px;
    text-align: center;
    line-height: 48px;
    display: block;
}