/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Montserrat', sans-serif;
        background: linear-gradient(135deg, #1A2B42, #141E30);
        color: #FFFFFF;
        line-height: 1.6;
    }

    /* 导航栏样式 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(26, 43, 66, 0.9);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 30px;
        box-shadow: 0 2px 5px rgba(0,0,0,0.3);
        z-index: 1000;
    }

    .navbar a {
        color: #FFFFFF;
        text-decoration: none;
        margin: 0 15px;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #0096FF;
    }

    /* 主页背景动画 */
    .hero {
        height: 100vh;
        background: radial-gradient(circle, rgba(255,87,34,0.8), transparent);
        display: flex;
        justify-content: center;
        align-items: center;
        animation: aurora-move 15s linear infinite;
        position: relative;
    }

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

    .hero-content {
        text-align: center;
        z-index: 1;
    }

    .hero h1 {
        font-size: 3em;
        margin-bottom: 20px;
        color: #FFFFFF;
    }

    .hero p {
        font-size: 1.2em;
        color: #DDDDDD;
    }

    /* 主要内容区 */
    .container {
        padding: 100px 50px 50px 50px;
        max-width: 1200px;
        margin: 0 auto;
    }

    .section-title {
        font-size: 2.5em;
        margin-bottom: 20px;
        text-align: center;
        color: #0096FF;
    }

    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 30px;
    }

    .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;
    }

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

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

    .card h3 {
        margin-bottom: 10px;
        color: #FF4081;
    }

    .card p {
        color: #FFFFFF;
    }

    /* 示例展示区 */
    .example-display {
        background: rgba(0, 150, 255, 0.2);
        padding: 20px;
        border-radius: 10px;
        margin-top: 50px;
    }

    .example-display h2 {
        text-align: center;
        color: #FF4081;
        margin-bottom: 20px;
    }

    .example-display pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #00E676;
    }

    .example-display code {
        font-family: 'Courier New', Courier, monospace;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .navbar {
            flex-direction: column;
            padding: 10px 20px;
        }

        .hero h1 {
            font-size: 2em;
        }

        .hero p {
            font-size: 1em;
        }

        .container {
            padding: 80px 20px 20px 20px;
        }
    }

    @media (max-width: 480px) {
        .navbar a {
            margin: 5px 0;
        }

        .section-title {
            font-size: 2em;
        }

        .card h3 {
            font-size: 1.5em;
        }
    }

    /* 按钮样式 */
    .btn-primary {
        background: #0096FF;
        color: #FFFFFF;
        padding: 10px 25px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .btn-primary:hover {
        background: #0074C7;
        transform: scale(1.1);
    }

    /* 提示信息 */
    .note {
        text-align: center;
        margin-top: 50px;
        font-size: 1em;
        color: #AAAAAA;
    }