/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #001f3f, #6a1a9c);
        color: #ffffff;
        line-height: 1.6;
    }

    /* 导航栏样式 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 31, 63, 0.8);
        display: flex;
        justify-content: space-around;
        align-items: center;
        padding: 15px 0;
        z-index: 1000;
    }

    .navbar a {
        color: #ffffff;
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #ff5722;
    }

    /* 主容器样式 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px auto;
        padding: 20px;
    }

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-weight: bold;
        color: #ffffff;
        margin-bottom: 20px;
    }

    /* 文章样式 */
    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        margin-bottom: 40px;
    }

    article h2 {
        color: #ffcc00;
    }

    article pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    article code {
        font-family: 'Courier New', Courier, monospace;
        color: #00e5ff;
    }

    /* 卡片网格布局 */
    .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    /* 卡片样式 */
    .card {
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        position: relative;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
    }

    .card img {
        width: 100%;
        height: auto;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    .card h3 {
        margin-top: 0;
        color: #ffcc00;
    }

    .card p {
        margin-bottom: 10px;
    }

    .card a {
        color: #00e5ff;
        text-decoration: none;
        font-weight: bold;
    }

    .card a:hover {
        text-decoration: underline;
    }

    /* 示例展示样式 */
    .example-display {
        background: rgba(255, 255, 255, 0.05);
        padding: 20px;
        border-left: 5px solid #ff5722;
        margin-bottom: 40px;
        border-radius: 5px;
    }

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

    .decorative-images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 5px;
        animation: float 6s ease-in-out infinite;
    }

    @keyframes float {
        0% { transform: translateY(0); }
        50% { transform: translateY(-10px); }
        100% { transform: translateY(0); }
    }

    /* 响应式设计 */
    @media (max-width: 320px) {
        .container {
            padding: 10px;
            margin-top: 120px;
        }
    }

    @media (max-width: 480px) {
        .navbar {
            flex-direction: column;
        }
    }

    @media (max-width: 768px) {
        .card-grid {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        .container {
            padding: 15px;
        }
    }

    @media (max-width: 1200px) {
        .card-grid {
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
        }
    }

    @media (min-width: 1440px) {
        .decorative-images img {
            width: 120px;
            height: 120px;
        }
    }

    /* 提示样式 */
    .reference-note {
        text-align: center;
        font-size: 1.2em;
        margin-top: 40px;
        color: #ff5722;
        font-weight: bold;
    }