:root {
        --primary-red: #d24646;
        --bg-dark: #0a0a0a;
        --card-gray: #161616;
        --text-gray: #e0dddd;
        --border: #2a2a2a;
    }

    [v-cloak] {
        display: none;
    }

    body {
        margin: 0;
        background-color: var(--bg-dark);
        color: #e0e0e0;
        font-family: 'Barlow', sans-serif;
        line-height: 1.8;
    }

    /* --- 统一导航栏 --- */
    .navbar {
        background: rgba(10, 10, 10, 0.95);
        backdrop-filter: blur(15px);
        border-bottom: 1px solid var(--border);
        padding: 12px 20px;
        position: sticky;
        top: 0;
        z-index: 100;
    }

    .navbar-container {
        max-width: 1200px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        gap: 20px;
    }

    .btn-back-left {
        display: flex;
        align-items: center;
        gap: 8px;
        color: #fff;
        text-decoration: none;
        cursor: pointer;
        padding: 6px 12px;
        border-radius: 8px;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid var(--border);
        transition: 0.3s;
        font-size: 14px;
        font-weight: 600;
    }

    .btn-back-left:hover {
        background: var(--primary-red);
        border-color: var(--primary-red);
    }

    .btn-back-left img {
        width: 16px;
        filter: invert(1);
    }

    .logo-image {
        height: 28px;
        filter: brightness(0) invert(1);
        opacity: 0.8;
        cursor: pointer;
    }

    /* --- 内容区域容器 --- */
    .privacy_container {
        max-width: 900px;
        margin: 60px auto;
        padding: 0 25px;
    }

    .word_content {
        background: var(--card-gray);
        padding: 50px;
        border-radius: 20px;
        border: 1px solid var(--border);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    }

    /* --- 标题与文本排版 --- */
    h2 {
        font-size: 36px;
        color: #fff;
        margin-top: 0;
        text-align: center;
        margin-bottom: 40px;
        font-weight: 700;
        text-transform: uppercase;
    }

    h2::after {
        content: '';
        display: block;
        width: 60px;
        height: 4px;
        background: var(--primary-red);
        margin: 15px auto 0;
    }

    /* 章节标题：增加红色左边框装饰 */
    h4 {
        color: #fff;
        font-size: 22px;
        margin-top: 45px;
        margin-bottom: 15px;
        padding: 5px 0 5px 15px;
        border-left: 4px solid var(--primary-red);
        background: rgba(255, 255, 255, 0.02);
    }

    /* 条款小标题 */
    h5 {
        color: var(--primary-red);
        font-size: 17px;
        margin-top: 25px;
        margin-bottom: 10px;
        font-weight: 600;
    }

    p {
        color: var(--text-gray);
        font-size: 15px;
        margin-bottom: 20px;
        text-align: justify; /* 两端对齐，适合长篇文档 */
    }

    /* --- 功能按钮（回到顶部/返回） --- */
    .floating-btn {
        position: fixed;
        right: 30px;
        width: 45px;
        height: 45px;
        background: var(--card-gray);
        border: 1px solid var(--border);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: 0.3s;
        z-index: 99;
    }

    .floating-btn:hover {
        background: var(--primary-red);
        border-color: var(--primary-red);
        transform: translateY(-3px);
    }

    .floating-btn img {
        width: 20px;
        filter: invert(1);
    }

    .goup { bottom: 90px; }
    .iback { bottom: 30px; }

    /* --- 页脚 --- */
    .footer {
        margin-top: 80px;
        padding: 40px 0;
        border-top: 1px solid var(--border);
        text-align: center;
    }

    .footer-wrap .word {
        display: flex;
        justify-content: center;
        gap: 20px;
        margin-top: 15px;
    }

    .footer-wrap a {
        color: var(--text-gray);
        text-decoration: none;
        font-size: 14px;
        transition: 0.3s;
    }

    .footer-wrap a:hover {
        color: var(--primary-red);
    }

    /* --- 移动端响应式优化 --- */
    @media (max-width: 600px) {
        .word_content {
            padding: 30px 20px;
        }

        h2 {
            font-size: 28px;
        }

        .btn-back-left span {
            display: none; /* 手机端隐藏文字只留图标 */
        }
    }