/* 全局设置 */
    @import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        background: linear-gradient(135deg, #0D1B2A, #1B263B, #415A77);
        color: #FFFFFF;
        padding: 20px;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(18, 40, 76, 0.9);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    }

    .navbar a {
        color: #39FF14;
        text-decoration: none;
        margin: 0 15px;
        font-weight: 500;
        transition: color 0.3s ease;
    }

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

    /* Banner 动画 */
    .banner {
        margin-top: 80px;
        height: 60vh;
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        overflow: hidden;
    }

    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .banner h1 {
        font-size: 3rem;
        color: #39FF14;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
        animation: fadeIn 2s ease-in-out;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    /* 主内容 */
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 40px 0;
    }

    .card {
        background: rgba(27, 38, 59, 0.8);
        border: 2px solid #B0B0B0;
        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;
        overflow: hidden;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 16px rgba(0,255,0,0.4);
    }

    .card img {
        width: 100%;
        height: auto;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    .card h3 {
        color: #39FF14;
        margin-bottom: 10px;
    }

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

    .card a {
        color: #39FF14;
        text-decoration: none;
        font-weight: bold;
        transition: color 0.3s ease;
    }

    .card a:hover {
        color: #FFFFFF;
    }

    /* 示例展示 */
    .example-section {
        background: rgba(18, 40, 76, 0.9);
        padding: 30px;
        border-radius: 10px;
        margin-top: 40px;
    }

    .example-section h2 {
        color: #39FF14;
        margin-bottom: 20px;
        text-align: center;
    }

    .example-section article {
        max-width: 100%;
        overflow-x: auto;
        padding: 20px;
        background: #1E1E1E;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    }

    .example-section pre {
        background: #2D2D2D;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .example-section code {
        color: #39FF14;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 图片布局 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-top: 30px;
    }

    .image-gallery img {
        width: calc(25% - 10px);
        border-radius: 5px;
        transition: transform 0.3s ease;
    }

    .image-gallery img:hover {
        transform: scale(1.1);
    }

    /* 提示信息 */
    .reference-note {
        text-align: center;
        margin-top: 50px;
        font-size: 1.2rem;
        color: #39FF14;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .banner h1 {
            font-size: 2rem;
        }

        .image-gallery img {
            width: calc(50% - 10px);
        }
    }

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

        .navbar a {
            margin: 10px 0;
        }

        .image-gallery img {
            width: 100%;
        }
    }

    @media (min-width: 1024px) and (max-width: 1200px) {
        .grid-container {
            grid-template-columns: repeat(3, 1fr);
        }
    }

    @media (min-width: 1440px) {
        .grid-container {
            grid-template-columns: repeat(4, 1fr);
        }

        .banner h1 {
            font-size: 4rem;
        }
    }