/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1E2432, #2A3042);
        color: #FFFFFF;
        line-height: 1.6;
    }

    /* 响应式布局 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 头部样式 */
    .header {
        background: linear-gradient(135deg, #007BFF, #004D99);
        padding: 30px 20px;
        text-align: center;
        box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
        border-radius: 8px;
        margin-bottom: 40px;
    }

    .header h1 {
        font-size: 2.5em;
        margin: 0;
        color: #FFC107;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
    }

    /* 文章样式 */
    .article {
        background-color: rgba(42, 48, 66, 0.8);
        padding: 20px;
        border-radius: 8px;
        box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.3);
        margin-bottom: 40px;
    }

    .article h2, .article h3, .article h4 {
        color: #FFC107;
        text-shadow: 1px 1px 3px rgba(0,0,0,0.2);
    }

    .article pre {
        background: #2A3042;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin: 20px 0;
    }

    .article code {
        color: #FFC107;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid #FFC107;
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    th {
        background-color: #007BFF;
    }

    /* 按钮样式 */
    .button {
        background-color: #007BFF;
        color: #FFFFFF;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
        display: inline-block;
    }

    .button:hover {
        transform: scale(1.1);
        background-color: #0056b3;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .images img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .animated-background {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    /* 模块化卡片布局 */
    .cards {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }

    .card {
        background-color: #2A3042;
        border-radius: 8px;
        padding: 20px;
        flex: 1 1 calc(33% - 40px);
        box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
    }

    .card-title {
        font-size: 1.5em;
        color: #FFC107;
        margin-bottom: 10px;
    }

    .card-content {
        font-size: 1em;
        color: #FFFFFF;
    }

    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        background-color: #1E2432;
        padding: 10px 20px;
        border-radius: 8px;
        box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.2);
    }

    .nav-item {
        color: #FFFFFF;
        margin-right: 15px;
        cursor: pointer;
        transition: color 0.3s ease;
        text-decoration: none;
    }

    .nav-item:hover {
        color: #FFC107;
    }

    /* 示例展示标签 */
    .sample-display {
        border: 2px dashed #FFC107;
        padding: 20px;
        border-radius: 8px;
        background-color: rgba(42, 48, 66, 0.9);
    }

    /* 自适应设计 */
    @media (max-width: 1440px) {
        .card {
            flex: 1 1 calc(33% - 40px);
        }
    }

    @media (max-width: 1200px) {
        .card {
            flex: 1 1 calc(50% - 40px);
        }
    }

    @media (max-width: 768px) {
        .cards {
            flex-direction: column;
        }
        .card {
            flex: 1 1 100%;
        }
    }

    @media (max-width: 480px) {
        .header h1 {
            font-size: 2em;
        }
        .navbar {
            flex-direction: column;
            align-items: flex-start;
        }
        .nav-item {
            margin: 5px 0;
        }
    }

    @media (max-width: 320px) {
        .images {
            flex-direction: column;
        }
    }