.clearfix::after {
    content: "";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden
}

.clearfix {
    zoom: 1
}

@media screen and (min-width:1600px) {
    .commo_center {
        width: 90%
    }

    .container_m {
        width: 90% !important
    }

    .particulars_detail-video {
        width: 3rem !important;
        height: auto !important
    }

    .move_explorer-left {
        width: 4.26rem
    }

    .particulars_detail-introduce {
        width: 5rem
    }
}

@media screen and (max-width:1600px) and (min-width:1400px) {
    .commo_center {
        width: 1280px
    }

    .container_m {
        width: 1280px !important
    }

    .particulars_detail-video {
        width: 3rem !important;
        height: auto !important
    }

    .move_explorer-left {
        width: 4.26rem
    }

    .particulars_detail-introduce {
        width: 5rem
    }
}

@media screen and (max-width:1400px) and (min-width:1280px) {
    .commo_center {
        width: 1200px
    }

    .container_m {
        width: 1200px !important
    }

    .particulars_detail-video {
        width: 3rem !important;
        height: auto !important
    }

    .move_explorer-left {
        width: 4rem
    }

    .particulars_detail-introduce {
        width: 4.5rem
    }
}

@media screen and (max-width:1280px) and (min-width:960px) {
    .commo_center {
        width: 1000px
    }

    .container_m {
        width: 1000px !important
    }

    .particulars_detail-video {
        width: 3rem !important;
        height: auto !important
    }

    .move_explorer-left {
        width: 3rem
    }

    .particulars_detail-introduce {
        width: 3.4rem
    }
}

@media screen and (max-width:960px) {
    .container_m {
        width: 100%;
        padding: 0 .2rem;
        box-sizing: border-box
    }
}