body {
        margin: 0;
        font-family: Arial, Helvetica, sans-serif;
        color: #fff;
        background-image: url('../img/dark/bg.png');
        background-repeat: no-repeat;
        background-position: top center;
        /* 从顶部居中开始 */
        background-size: 100% auto;
        /* 宽度100%自适应，高度自动 */
        background-color: #101017;
        /* #320000; */
        /* 如果图片不够高，自动补颜色 */
    }

    /* 背景视频层 */
    .bg-video {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        z-index: -1;
        filter: brightness(0.6);
        /* 调暗，突出前景内容 */
    }

    /* 半透明遮罩层 */
    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.3);
        z-index: -1;
    }

    header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        background: #101017;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 5px 15px;
        backdrop-filter: blur(5px);
        z-index: 1000;
        border-bottom: 1px solid #6100002b;
    }

    header .logo-contaner {
        /* padding: 1px; */
        /* border-radius: 4px;
            border: #76767659 1px solid */
    }

    header img.logo {
        height: 56px;
        width: 56px;
    }

    .game-name {
        font-size: 1.6rem;
        margin-left: 10px;
        flex: 1;
        /* font-family: 'Roboto', sans-serif; */
        font-weight: bold;
        background: linear-gradient(131deg, #cfb670, #ffe6ad, #595759);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .game-site {
        font-size: 0.8rem;
        margin-left: 10px;
        flex: 1;
        /* font-family: 'Roboto', sans-serif; */
        font-weight: bold;
        background: linear-gradient(131deg, #cfb670, #ffe6ad, #595759);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;

    }

    .kefuImg {
        /* filter: sepia(2) saturate(2000%) hue-rotate(4deg) brightness(1.2) contrast(1.2); */
    }

    .btn-download {
        /* background: linear-gradient(90deg, #ff5722, #ff9800); */
        color: #fff;
        /* padding: 8px 15px; */
        /* border-radius: 20px; */
        text-decoration: none;
        /* font-size: 14px; */
        animation: pulse 1.1s infinite;
        position: relative;
        display: inline-block;
    }


    .btn-download img {
        display: block;
        height: 40px;
        /* 调整按钮高度 */
    }


    .small-downlaod {
        position: absolute;
        top: 42%;
        left: 50%;
        transform: translate(-50%, -50%);
        font-size: 1rem;
        font-weight: 900;
        color: #472300;
        /* 按钮上的文字颜色 */
        pointer-events: none;
        /* 文字不影响点击 */
        -webkit-text-stroke: 0.1px #ffffff;
        /* 金色描边 */
        text-stroke: 1px #f8f3e4;
        /* 部分浏览器 */
    }

    .btn-download-header {
        color: #fff;
        text-decoration: none;
        animation: pulse 1.1s infinite;
        position: relative;
        display: inline-block;
    }

    .btn-download-header img {
        display: block;
        height: 38px;
        width: 100px;
    }

    .btn-download-header span {
        position: absolute;
        top: 42%;
        left: 50%;
        transform: translate(-50%, -50%);
        font-size: 0.8rem;
        font-weight: 900;
        color: #472300;
        /* 按钮上的文字颜色 */
        pointer-events: none;
        /* 文字不影响点击 */
        -webkit-text-stroke: 0.1px #ffffff;
        /* 金色描边 */
        text-stroke: 0.2px #f8f3e4;
        /* 部分浏览器 */
    }

    main {
        margin-top: 70px;
    }

    .promo {
        text-align: center;
        padding: 20px;
    }

    .promo img {
        max-width: 100%;
        border-radius: 10px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    }

    .big-download-div {
        margin: 10px auto 30px;
        width: 90%;
        text-align: center;
        /* 子元素居中 */
        max-width: 720px;
    }

    .big-download {
        border: 1px solid #d88800;
        /* background-image: url('../img/dark/bigdown.png'); */
        display: inline-flex;
        /* inline-flex：可在父元素里居中 */
        align-items: center;
        /* 垂直居中 */
        justify-content: center;
        /* 水平居中 */
        width: 80%;
        /* 按钮宽度占80% */
        gap: 12px;
        /* 图标和文本间距，可调 */
        text-decoration: none;
        /* 去掉下划线 */
        padding: 15px 30px;
        font-size: 24px;
        font-weight: 800;
        background: linear-gradient(179deg, #d702aa, #7b0000);
        color: #fff;
        border-radius: 8px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
    }

    .big-download:hover {
        background-color: #b90893;
        /* 悬停效果 */
    }


    .section {
        padding: 10px 10px;
        max-width: 720px;
        margin: 0 auto 10px;
    }

    .section h2 {
        margin-left: 14px;
        font-size: 16px;
        font-weight: 700;
        /* text-align: center; */
        background: linear-gradient(to bottom, #ff5f5f, #d40024 70%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .section p {
        margin: 2px 14px;
        color: #d69189;
        font-size: 12px;
        line-height: 1.6;
        font-weight: 300;
    }

    .gameicons {
        gap: 10px;
        /* overflow-x: auto; */
        overflow: visible;
        position: relative;
    }

    .gameicons span {
        position: absolute;
        top: 6px;
        left: 50%;
        transform: translateX(-50%);
        color: #773b00;
        font-size: 20px;
        font-weight: 600;
    }

    .gameicons img {
        width: 100%;
        /* border-radius: 10px; */
        flex-shrink: 0;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
        display: block;
    }

    .activity {
        background: rgba(0, 0, 0, 0.5);
        border-radius: 10px;
        padding: 15px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
    }

    .spin-text {
        text-align: center;
        line-height: 1.4;
        margin: 80px 0 10px;
    }

    .spin-title {
        font-size: 2.4rem;
        font-weight: 900;
        font-style: italic;
        background: linear-gradient(to bottom, #ffffff, #fce453 70%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .spin-title-sub {
        font-size: 1.4rem;
    }

    @keyframes pulse {
        0% {
            transform: scale(1);
        }

        50% {
            transform: scale(1.2);
        }

        100% {
            transform: scale(1);
        }
    }

    .wheel-wrapper {
        position: relative;
        width: 70%;
        max-width: 400px;
        aspect-ratio: 1/1;
        /* 关键：保持容器始终是正方形 */
        margin: 0 auto 0px;
    }

    .wheel-wrapper img {
        position: absolute;

    }

    .wheel-frame {
        z-index: 4;
        top: 0;
        left: 0;
        width: 100%;
        height: 109.53%;
        /* 底层外框 */
    }

    .wheel-gifts {
        z-index: 2;
        width: 90%;
        height: 90%;
        top: 15%;
        left: 5%;
        /* animation: spin 18s linear infinite; */
        transform-origin: 50% 50%;
        /* 以中心点为旋转轴 */
    }

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

        to {
            transform: rotate(360deg);
        }
    }

    .wheel-pointer {
        z-index: 3;
        width: 38%;
        height: auto;
        top: 58.5%;
        left: 50%;
        transform: translate(-50%, -50%);
        /* 指针居中 */
    }

    .jackpot {
        width: 80%;
        max-width: 720px;
        margin: -64px auto 0;
        position: relative;
        /* 保持文档流 */
        z-index: 10;
        /* 高于绝对定位图 */
        animation: jackpot 2s infinite;
        font-size: 5vw;
        /* 文字大小随容器宽度变化 */
    }

    @keyframes jackpot {
        0% {
            transform: scale(1);
        }

        50% {
            transform: scale(1.03);
        }

        100% {
            transform: scale(0.99);
        }
    }

    .jackpot img {
        width: 100%;
    }

    .jackpot span {
        position: absolute;
        /* 绝对定位在父容器内 */
        bottom: 22%;
        /* 调整到图片文本框的Y位置 */
        color: #fff;
        /* 文字颜色 */
        /* font-size: 22px; */
        font-size: 1em;
        /* 相对父容器的字体大小 */
        /* 字体大小 */
        font-weight: bold;
        /* 粗体 */
        left: 50%;
        /* 水平中心 */
        transform: translateX(-50%);
        /* 把文字自身宽度居中对齐 */
    }

    @media screen and (min-width:900px) {
        .jackpot span {
            font-size: 58px !important;
        }
    }

    .footer {
        height: 154px;
        background-image: url('../img/dark/footer.png');
        background-repeat: no-repeat;
        background-position: bottom center;
        /* 从顶部居中开始 */
        background-size: 100% 100%;
        /* 宽度100%自适应，高度自动 */
        background-color: #2f0202;
        display: flex;
        align-items: flex-end;
        justify-content: space-between;
        padding: 8px 12px 8px 10px;
        z-index: 1000;
        max-width: 720px;
        margin: 0 auto;
    }

    .footer-content {
        flex: 1;
        max-width: 720px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding-bottom: 1.8rem;
    }

    .footer-name {
        font-size: 14px;
        margin-left: 8px;
        flex: 1;
        line-height: 1.8;
        font-style: italic;
        color: #fff;
    }

    .footer-sub {
        font-size: 14px;
        margin-left: 8px;
        flex: 1;
        /* font-weight: 700; */
        font-style: italic;
        color: #fff;
    }

    .popIcons {
        position: fixed;
        bottom: 6%;
        right: 14px;
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        isolation: isolate;
        /* 强制独立层叠上下文 */
        z-index: 9999;
    }

    .popIcon {
        margin: 2px 0;
        width: 40px;
        height: 40px;
        padding: 1px;
        background-color: #ffffffe6;
        display: flex;
        justify-content: center;
        align-items: center;
        /* border: #fcf18d 1px solid; */
        border-radius: 4px;
    }

    .popIcon img {
        height: 48px;
    }

    .popIcon svg {
        width: 38px;
        height: 38px;
        color: #000000;
    }

    .popItem {
        display: flex;
        flex-direction: column;
        text-align: center;
        justify-content: center;
        align-items: center;
    }

    .popItem span {
        flex: 1;
        font-size: 14px;
        color: #ffe8cb;
    }

    #qrOverlay {
        /* display: none !important; 默认隐藏 */
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.6);
        z-index: 9999;
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .qrBox {
        background: #fff;
        border-radius: 8px;
        text-align: center;
        width: 75%;
        /* height: 40%; */
        display: flex;
        flex-direction: column;
        text-align: center;
        justify-content: center;
        align-items: center;
    }


    .qrcode {
        margin: 20px 0px;
        background: #fff;
    }

    /* 浮动相关 */
    .float-drawer {
        position: fixed;
        right: 0;
        bottom: 50px;
        z-index: 9999;
        display: flex;
        flex-direction: column;
        align-items: flex-end;
    }

    /* 开关按钮 */
    .drawer-toggle {
        width: 44px;
        height: 44px;
        background: #b30000;
        /* 红色调 */
        color: #fff;
        border-radius: 6px 0 0 6px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        box-shadow: -2px 2px 8px rgba(0, 0, 0, 0.6);
        transition: background 0.3s;
    }

    .drawer-toggle:hover {
        background: #e60000;
    }

    /* 抽屉内容 */
    .drawer-content {
        background: #6824208f;
        border-radius: 6px 0 0 6px;
        box-shadow: -3px 3px 10px rgba(0, 0, 0, 0.7);
        margin-top: 8px;
        padding: 10px 10px 10px 6px;
        display: flex;
        flex-direction: column;
        gap: 10px;
        transform: translateX(120%);
        opacity: 0;
        pointer-events: none;
        transition: all 0.3s ease;
    }

    .float-drawer.open .drawer-content {
        transform: translateX(0);
        opacity: 1;
        pointer-events: auto;
    }

    /* 按钮样式 */
    .drawer-btn {
        width: 44px;
        height: 44px;
        background: #222;
        color: #ff4444;
        border: 1px solid #b30000;
        border-radius: 6px;
        cursor: pointer;
        font-size: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all .2s ease;
    }

    .drawer-btn:hover {
        background: #b30000;
        color: #fff;
    }