/* 基本样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        color: #333;
        background: linear-gradient(135deg, #0D47A1, #FFC107);
        background-size: cover;
        background-attachment: fixed;
    }

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

    /* 标题样式 */
    h1, h2, h3, h4 {
        font-family: 'Montserrat', sans-serif;
        color: #ffffff;
        text-align: center;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 2.5em;
        margin-top: 40px;
    }

    h3 {
        font-size: 1.8em;
        margin-top: 30px;
    }

    h4 {
        font-size: 1.5em;
        margin-top: 25px;
    }

    /* 导航菜单 */
    .nav-menu {
        display: flex;
        justify-content: center;
        gap: 30px;
        margin-top: 20px;
        animation: fadeIn 1s ease-in-out;
    }

    .nav-menu a {
        color: #ffffff;
        text-decoration: none;
        font-size: 1.2em;
        position: relative;
    }

    .nav-menu a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: #FFC107;
        transition: width 0.3s;
        margin-top: 5px;
    }

    .nav-menu a:hover::after {
        width: 100%;
    }

    /* 模块化布局 */
    .modules {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
        margin-top: 40px;
    }

    .module {
        background: rgba(255, 255, 255, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        padding: 20px;
        border-radius: 10px;
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .module:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
    }

    /* 图片样式 */
    .module img {
        width: 100%;
        height: auto;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    /* 文章内容 */
    article {
        background: rgba(255, 255, 255, 0.2);
        padding: 30px;
        border-radius: 10px;
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
        margin-top: 40px;
        color: #ffffff;
    }

    article pre {
        background: #1e1e1e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-top: 15px;
    }

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

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #FFC107;
        color: #0D47A1;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: background 0.3s ease;
    }

    .btn::after {
        content: '';
        position: absolute;
        left: 50%;
        top: 50%;
        width: 300%;
        height: 300%;
        background: rgba(255, 255, 255, 0.3);
        transform: translate(-50%, -50%) scale(0);
        transition: transform 0.5s ease;
    }

    .btn:hover::after {
        transform: translate(-50%, -50%) scale(1);
    }

    /* 动画关键帧 */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

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

    /* 粒子动画 */
    .particle-container {
        position: relative;
        width: 100%;
        height: 100vh;
        overflow: hidden;
    }

    .particle {
        position: absolute;
        width: 5px;
        height: 5px;
        background: #FFC107;
        border-radius: 50%;
        animation: float 5s infinite ease-in-out;
    }

    @keyframes float {
        0%, 100% { transform: translateY(0); opacity: 1; }
        50% { transform: translateY(-20px); opacity: 0.5; }
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        .nav-menu {
            flex-direction: column;
            gap: 15px;
        }

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

        article {
            padding: 20px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 2em;
        }

        h2 {
            font-size: 2em;
        }

        .nav-menu a {
            font-size: 1em;
        }

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