.videoBox {
        width: 50%;
        cursor: pointer;
    }

    .index_about_video_icon svg {
        fill: #fff;
        width: 2.63333vw;
        position: absolute;
        top: 50%;
        left: 57%;
        transform: translate(-50%, -50%);
    }

    .in_banner .ys_pos_center {
        display: flex;
    }

    .index_about_video_circle {
        position: absolute;
        width: 100%;
        height: 100%;
        left: 0;
        top: 0;
    }

    .index_about_video_label {
        position: absolute;
        left: 50%;
        top: 50%;
        -webkit-transform: translateX(-50%) translateY(-50%);
        transform: translateX(-50%) translateY(-50%);
        width: 100%;
        height: 100%;
        box-sizing: border-box;
        -webkit-border-radius: 100%;
        border-radius: 100%;
    }

    .about_content_btn {
        position: absolute;
        left: 80%;
        top: 30%;
        -webkit-transform: translateX(-50%) scale(.6);
        transform: translateX(-50%) translateY(-50%) scale(.6);
        opacity: 1;
        pointer-events: none;
        width: 6.125vw;
        height: 6.125vw;
        z-index: 999;
        cursor: pointer;
    }

    .index_about_video_icon {
        position: absolute;
        width: 100%;
        height: 100%;
        left: 0;
        top: 0;
        background: #d82128;
        -webkit-border-radius: 100%;
        border-radius: 100%;
        -webkit-align-items: center;
        align-items: center;
        -webkit-justify-content: center;
        justify-content: center;
    }

    .index_about_video_btn .index_about_video_label:nth-child(1) {
        background: rgba(255, 195, 0, 0);
        border: 0.15625vw solid #d82128;
        -webkit-animation: jing_scale 2.4s linear infinite normal both;
        animation: jing_scale 2.4s linear infinite normal both;
    }

    .index_about_video_btn .index_about_video_label:nth-child(2) {
        background: rgba(255, 195, 0, 0);
        border: 0.15625vw solid #d82128;
        -webkit-animation: jing_scale 2.4s .6s linear infinite normal both;
        animation: jing_scale 2.4s .6s linear infinite normal both;
    }

    .index_about_video_btn .index_about_video_label:nth-child(3) {
        background: #d82128;
        border: 0.15625vw solid #d82128;
        -webkit-animation: jing_scale 2.4s 1.2s linear infinite normal both;
        animation: jing_scale 2.4s 1.2s linear infinite normal both;
    }

    .index_about_video_btn .index_about_video_label:nth-child(4) {
        background: rgba(255, 195, 0, 0);
        border: 0.15625vw solid #d82128;
        -webkit-animation: jing_scale 2.4s 1.8s linear infinite normal both;
        animation: jing_scale 2.4s 1.8s linear infinite normal both;
    }

    @-webkit-keyframes jing_scale {
        0% {
            width: 100%;
            height: 100%;
            opacity: 0;
        }

        14% {
            width: 120%;
            height: 120%;
            opacity: 0.8;
        }

        28% {
            width: 140%;
            height: 140%;
            opacity: 0.6;
        }

        42% {
            width: 160%;
            height: 160%;
            opacity: .4;
        }

        56% {
            width: 180%;
            height: 180%;
            opacity: .2;
        }

        70% {
            width: 200%;
            height: 200%;
            opacity: 0;
        }

        100% {
            width: 100%;
            height: 100%;
            opacity: 0;
        }
    }


    @keyframes jing_scale {
        0% {
            width: 100%;
            height: 100%;
            opacity: 0;
        }

        14% {
            width: 120%;
            height: 120%;
            opacity: 0.8;
        }

        28% {
            width: 140%;
            height: 140%;
            opacity: 0.6;
        }

        42% {
            width: 160%;
            height: 160%;
            opacity: .4;
        }

        56% {
            width: 180%;
            height: 180%;
            opacity: .2;
        }

        70% {
            width: 200%;
            height: 200%;
            opacity: 0;
        }

        100% {
            width: 100%;
            height: 100%;
            opacity: 0;
        }
    }

    .video_wrap {
        position: fixed;
        left: 0;
        top: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, .9);
        z-index: 9999;
        -webkit-align-items: center;
        align-items: center;
        -webkit-justify-content: center;
        justify-content: center;
        opacity: 0;
        pointer-events: none;
        -webkit-transition: all .6s ease;
        transition: all .6s ease;
        -webkit-transition-delay: .3s;
        transition-delay: .3s;
    }

    .video_show {
        opacity: 1;
        pointer-events: auto;
        -webkit-transition: all .6s ease;
        transition: all .6s ease;
        -webkit-transition-delay: 0s;
        transition-delay: 0s;
    }

    .video_show .video_item {
        opacity: 1;
        pointer-events: auto;
        -webkit-transform: none;
        transform: none;
        -webkit-transition: all .6s ease;
        transition: all .6s ease;
        -webkit-transition-delay: .3s;
        transition-delay: .3s;
    }

    .video_show .video_close_btn {
        opacity: 1;
        pointer-events: auto;
        -webkit-transform: none;
        transform: none;
        -webkit-transition: all .6s ease;
        transition: all .6s ease;
        -webkit-transition-delay: .3s;
        transition-delay: .3s;
    }

    .video_box {
        width: 70vw;
        margin: 0 auto;
    }

    .video_item {
        position: relative;
        padding-bottom: 56.25%;
        opacity: 0;
        pointer-events: none;
        -webkit-transform: translateY(2.083333vw);
        transform: translateY(2.083333vw);
        -webkit-transition: all .6s ease;
        transition: all .6s ease;
        -webkit-transition-delay: 0s;
        transition-delay: 0s;
    }

    .video_item video {
        position: absolute;
        left: 0;
        top: 50%;
        transform: translateY(-38%);
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .video_close_btn {
        position: absolute;
        right: 1.5625vw;
        top: 1.5625vw;
        width: 2.6041666vw;
        height: 2.6041666vw;
        cursor: pointer;
        opacity: 0;
        pointer-events: none;
        -webkit-transform: translateY(2.083333vw);
        transform: translateY(2.083333vw);
        -webkit-transition: all .6s ease;
        transition: all .6s ease;
        -webkit-transition-delay: 0s;
        transition-delay: 0s;
    }

    .video_close_button {
        width: 100%;
        height: 100%;
        position: relative;
        -webkit-transition: all .6s ease;
        transition: all .6s ease;
    }

    .video_close_button:hover {
        -webkit-transform: rotate(90deg);
        transform: rotate(90deg);
    }

    .video_close_button:after {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        -webkit-transform: translateY(-50%) rotate(45deg);
        transform: translateY(-50%) rotate(45deg);
        width: 100%;
        height: 1px;
        background: #fff;
    }

    .video_close_button:before {
        content: "";
        position: absolute;
        left: 0;
        top: 50%;
        -webkit-transform: translateY(-50%) rotate(-45deg);
        transform: translateY(-50%) rotate(-45deg);
        width: 100%;
        height: 1px;
        background: #fff;
    }
    @media screen and (max-width: 767px) {
        .about_content_btn{
            left: 40%;
            top: 110%;
        }
        .videoBox {
            width: 100%;
            z-index: 99999;
        }
        .about_content_btn{
            width: 15.125vw;
            height: 15.125vw;
        }
        .index_about_video_icon svg{width: 5.63333vw;}
        .video_close_btn {
            right: 2.4154589vw;
            top: 2.4154589vw;
            width: 8.695652vw;
            height: 8.695652vw;
            z-index: 9999;
        }
        .video_box {
            width: 100vw;
        }
        .video_item video{
            top: 50vw;
            transform: none;
        }
    }