#btnbj {
        left: 572px;
    }

    #changeBV {
        left: 600px;
        top: 185px;
        background-color: rgba(255, 255, 255, 0.15);
        z-index: 5;
    }

    .vbt {
        border-radius: 32px;
        display: flex;
        justify-content: center;
        /* 水平居中 */
        align-items: center;
        /* 垂直居中 */
        margin: 0 5px;
        height: 32px;
        width: 32px;
        text-align: center;
        line-height: 32px;
        position: absolute;
        transition: 0.1s;
    }

    .vbt:hover {
        transition: 0.1s;
        transform: scale(1.1);
    }

    .vbt i:hover {
        color: white;
    }

    .vbt i {
        display: block;
        font-size: 23px;
        color: rgba(255, 255, 255, 0.5);
    }


    #bgVideo,
    #bgVideo1 {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100vw;
        height: 100vh;
        object-fit: cover;
        z-index: -1;
    }




    .hidden {
        opacity: 0;
    }

    #sence {
        /*z-index: -2;*/
        display: none;
    }

    /*body {
                z-index: -2;
            }*/
    #low-bg {
        background-color: #000;
        /* background-image: url(assets/video/video1.webp) !important; */
    }

    @media (max-width: 780px) {
        button#changeBV {
            left: 80%;
        }

        img#btnbj {
            left: 73.5%;
        }

        source {
            background-attachment: fixed;
        }
    }


    .ph-img-center {
        display: flex;
        align-items: center;
    }

    .ph-image {
        width: 30px;
        height: 30px;
        /*margin-right: 10px;*/
    }

    #other {
        display: none;
    }

    .rotateStyle {
        animation: rotate 0.5s forwards;
    }

    @keyframes rotate {
        0% {
            transform: rotate(0deg);
        }

        50% {
            transform: rotate(180deg);
        }

        100% {
            transform: rotate(0deg);
        }
    }

    /*聊天室*/

    .chat-button {
        position: fixed;
        bottom: 0;
        right: 0;
        width: 35px;
        height: 120px;
        background: rgba(0, 0, 0, 0.79);
        color: white;
        border: none;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        z-index: 1000;
        border-radius: 12px 0 0 12px;
        text-orientation: mixed;
        font-size: 16px;
        padding: 10px 5px;
        transition: all 0.3s ease-in-out;
        opacity: 1;
    }

    .chat-button span {
        position: absolute;
        width: 120px;
        /* 设置为button的高度 */
        text-align: center;
        transform: rotate(-90deg);
    }

    .chat-button.hide {
        opacity: 0;
        transform: translateX(40px);
    }

    .chat-container {
        position: fixed;
        top: 0;
        right: -400px;
        width: 400px;
        height: 100vh;
        z-index: 999;
        transition: right 0.3s ease-in-out;
        display: block;
    }

    .chat-container.show {
        right: 0;
    }

    .chat-iframe {
        width: 100%;
        height: 100vh;
        border: none;
        background: #1e1e1e;
    }

    .CboxButton {
        position: fixed;
        z-index: 9999;
        bottom: 0;
        height: 30px;
        width: 30px;
        box-sizing: border-box;
        text-align: center;
        cursor: pointer;
        background: rgba(0, 0, 0, 0.79);
        color: #fff;
        line-height: 30px;
        transition: all 0.3s ease-in-out;
        right: 400px;
        padding: 0;
        border: none;
        border-radius: 15px 0 0 0;
        opacity: 0;
        visibility: hidden;
    }

    .CboxButton.hide {
        right: 0;
    }

    .CboxCloseBtn {
        display: block;
        width: 100%;
        height: 100%;
        transition: transform 0.3s ease-in-out;
    }

    .CboxButton.hide .CboxCloseBtn {
        transform: rotate(180deg);
    }

    /* 添加调整手柄样式 */
    .resize-handle {
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 5px;
        cursor: ew-resize;
        background-color: transparent;
        transition: background-color 0.2s;
    }

    .resize-handle:hover {
        background-color: rgba(255, 255, 255, 0.1);
    }

    .resize-handle.dragging {
        background-color: rgba(255, 255, 255, 0.2);
    }