/* 导入字体 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto+Mono&family=Orbitron&display=swap');

    /* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto Mono', monospace;
        background: linear-gradient(to bottom, #1F1F1F, #0C0C0C);
        color: #FFFFFF;
    }

    /* 顶部导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 60px;
        background: rgba(12, 12, 12, 0.9);
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0 20px;
        box-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
        z-index: 1000;
    }

    .navbar .logo {
        font-family: 'Orbitron', sans-serif;
        font-size: 24px;
        color: #00FFFF;
    }

    .navbar ul {
        list-style: none;
        display: flex;
        margin: 0;
        padding: 0;
    }

    .navbar ul li {
        margin-left: 20px;
    }

    .navbar ul li a {
        color: #FFFFFF;
        text-decoration: none;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    .navbar ul li a:hover {
        color: #00FF7F;
    }

    /* 主容器 */
    .container {
        display: grid;
        grid-template-columns: 250px 1fr;
        margin-top: 60px;
        min-height: 100vh;
    }

    /* 侧边栏 */
    .sidebar {
        background: #1F1F1F;
        padding: 20px;
        position: fixed;
        top: 60px;
        left: 0;
        bottom: 0;
        width: 250px;
        overflow-y: auto;
        box-shadow: 2px 0 5px rgba(0, 0, 0, 0.5);
    }

    .sidebar ul {
        list-style: none;
        padding: 0;
    }

    .sidebar ul li {
        margin-bottom: 15px;
    }

    .sidebar ul li a {
        color: #FFFFFF;
        text-decoration: none;
        font-size: 18px;
        transition: color 0.3s ease;
    }

    .sidebar ul li a:hover {
        color: #00FF7F;
    }

    /* 内容区域 */
    .content {
        margin-left: 270px;
        padding: 20px;
        background: linear-gradient(135deg, #8A2BE2, #00FFFF);
        min-height: 100vh;
    }

    /* 提示信息 */
    .notice {
        text-align: center;
        font-size: 18px;
        margin-bottom: 30px;
        color: #FF4500;
    }

    /* 文章样式 */
    .article {
        background: rgba(31, 31, 31, 0.9);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
    }

    .article h2, .article h3, .article h4 {
        font-family: 'Orbitron', sans-serif;
        color: #00FFFF;
    }

    .article pre {
        background: #0C0C0C;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 15px 0;
    }

    .article code {
        color: #00FF7F;
        font-family: 'Roboto Mono', monospace;
    }

    .article ul {
        list-style: disc inside;
        margin: 10px 0;
    }

    /* 示例数据卡片 */
    .card-container {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
        margin-top: 30px;
    }

    .card {
        background: rgba(31, 31, 31, 0.9);
        border-radius: 8px;
        padding: 20px;
        width: calc(33.333% - 40px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.7);
    }

    .card h4 {
        color: #00FF7F;
        margin-bottom: 10px;
    }

    .card p {
        color: #FFFFFF;
        font-size: 14px;
        line-height: 1.6;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 20px;
    }

    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 5px;
    }

    /* 按钮样式 */
    .btn {
        background-color: #00FF7F;
        color: #FFFFFF;
        border: none;
        padding: 10px 20px;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        font-size: 16px;
    }

    .btn:hover {
        transform: scale(1.05);
        box-shadow: 0 4px 10px rgba(0, 255, 127, 0.5);
    }

    /* 代码预览 */
    .code-preview {
        background: #0C0C0C;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 15px 0;
    }

    .code-preview code {
        color: #00FF7F;
        font-family: 'Roboto Mono', monospace;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .card {
            width: calc(33.333% - 40px);
        }
    }

    @media (max-width: 1200px) {
        .card {
            width: calc(50% - 40px);
        }
    }

    @media (max-width: 1024px) {
        .container {
            grid-template-columns: 200px 1fr;
        }

        .content {
            margin-left: 220px;
        }

        .card {
            width: 100%;
        }
    }

    @media (max-width: 768px) {
        .container {
            grid-template-columns: 1fr;
        }

        .sidebar {
            display: none;
        }

        .content {
            margin-left: 0;
        }

        .card {
            width: 100%;
        }

        .navbar ul {
            display: none;
        }
    }

    @media (max-width: 480px) {
        .navbar .logo {
            font-size: 20px;
        }

        .article h2 {
            font-size: 20px;
        }

        .article h3 {
            font-size: 18px;
        }

        .btn {
            width: 100%;
            text-align: center;
        }

        .images img {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 320px) {
        .article h2 {
            font-size: 18px;
        }

        .article h3 {
            font-size: 16px;
        }

        .btn {
            padding: 8px 16px;
            font-size: 14px;
        }

        .images img {
            width: 70px;
            height: 70px;
        }
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background: radial-gradient(circle, #FF5722, transparent); }
        50% { background: radial-gradient(circle, #8A2BE2, transparent); }
        100% { background: radial-gradient(circle, #FF5722, transparent); }
    }

    .background-animation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        animation: aurora-move 15s linear infinite;
        z-index: -1;
    }

    /* 链接样式 */
    a {
        color: #00FFFF;
        text-decoration: none;
    }

    a:hover {
        color: #00FF7F;
    }