.down_select{
    position: relative;
    cursor: pointer;
}
.down_select .pull{
    position: absolute;
    width: 101%;
    top: calc(100% + 15px);
    left: 50%;
    transform: translate(-50%,10px);
    color: #606266;
    border: 1px solid #e4e7ed;
    box-shadow: 0 2px 12px 0 rgba(0,0,0,.1);
    background: #fff;
    border-radius: 4px;
    opacity: 0;
    pointer-events: none;
}
.down_select.on{
    z-index: 9;
}
.down_select.on .pull{
    opacity: 1;
    pointer-events: auto;
    transform: translate(-50%,0);
    transition: 0.6s;
}
.down_select .pull{
    max-height: 409px;
    overflow: hidden;
}
.down_select .pull .scroll-content > div{
    padding: 0 20px;
    line-height: 37px;
    font-size: 13px;
    cursor: pointer;
    transition: 0.3s;
    position: relative;
    z-index: 1;
}
.down_select .pull .scroll-content > div span{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    opacity: 0;
    transition: 0.3s;
}
.down_select .pull .scroll-content > div:hover,.down_select .pull .scroll-content > div.on{
    color: #fff;
}
.down_select .pull .scroll-content > div:hover span{
    opacity: 1;
}
.down_select .pull .scroll-content > div.on span{
    background: #dddddd !important;
    opacity: 1;
}
.down_select .pull .scroll-content > div.on {
    color: #555;
}

/*video*/
*[onclick*='video_alert(this)'] video {
    display: none;
}

.alert_video {
    width: 100%;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
    opacity: 0;
    transition: 1s;
}

.video_active {
    pointer-events: auto !important;
    opacity: 1 !important;
}

.alert_video .joke {
    display: flex;
    position: relative;
    z-index: 2;
    max-width: 90%;
    width: 1300px;
}

.alert_video .joke .video {
    width: 100%;
    height: 760px;
    display: block;
}

.alert_video .joke .video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.alert_video .joke .close {
    margin: 0 0 0 25px;
    cursor: pointer;
    height: fit-content;
    transition: 1s;
}

.alert_video .joke .close:hover{
    transform: rotate(90deg);
}

.alert_video .joke .close svg {
    width: 30px;
    height: 30px;
    fill: #fff;
}

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

.alert_video.all .joke {
    width: 100%;
    height: 100%;
}

.alert_video.all .joke .video {
    height: 100%;
    object-fit: cover;
}

.alert_video.all .close {
    position: absolute;
    top: 50px;
    right: 50px;
}

.alert_video.all .joke .video video {
    object-fit: cover;
}

@media screen and (max-width: 1023px) {
    .alert_video .joke {
        width: 90%;
    }
    .alert_video .joke .close {
        position: absolute;
        right: 0;
        top: -57px;
    }
    .alert_video .joke .video{
        height: auto;
    }
    .down_select .pull{
        overflow-y: scroll;
    }

    .down_select .pull > div{
        padding: 0 20px;
        line-height: 37px;
        font-size: 13px;
        cursor: pointer;
        transition: 0.3s;
        position: relative;
        z-index: 1;
    }
}