/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #1A1A2E, #16213E);
        font-family: 'Roboto', sans-serif;
        color: #FFFFFF;
        overflow-x: hidden;
    }

    /* 头部样式 */
    .header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
    }

    .logo {
        font-family: 'Bebas Neue', cursive;
        font-size: 2rem;
        color: #FFA726;
    }

    .navbar a {
        color: #FFFFFF;
        text-decoration: none;
        margin-left: 20px;
        font-size: 1rem;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #F7DC6F;
    }

    /* 主内容区样式 */
    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 100px 20px 20px 20px;
    }

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

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

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

    .card h3 {
        font-family: 'Bebas Neue', cursive;
        font-size: 1.5rem;
        margin-bottom: 10px;
        color: #0984E3;
    }

    .card p {
        font-size: 1rem;
        line-height: 1.6;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        background: #FFA726;
        color: #FFFFFF;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        text-decoration: none;
        font-size: 1rem;
        transition: background 0.3s ease;
    }

    .btn:hover {
        background: #F7DC6F;
        cursor: pointer;
    }

    /* 代码块样式 */
    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #00FF00;
    }

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

    /* 响应式设计 */
    @media (max-width: 768px) {
        .header {
            flex-direction: column;
            align-items: flex-start;
        }

        .navbar {
            margin-top: 10px;
        }

        .container {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        .logo {
            font-size: 1.5rem;
        }

        .navbar a {
            margin-left: 10px;
            font-size: 0.9rem;
        }

        .card h3 {
            font-size: 1.2rem;
        }

        .btn {
            padding: 8px 16px;
            font-size: 0.9rem;
        }
    }

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

    .background-animation {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
        z-index: -1;
    }