/* 基础重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    /* 全局样式 */
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #000080, #4B0082);
        color: #FFFFFF;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #00FF7F;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #FF69B4;
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 0;
    }

    /* 标题样式 */
    h1, h2, h3 {
        font-family: 'Orbitron', sans-serif;
        margin-bottom: 20px;
        text-align: center;
        color: #FFD700;
    }

    h1 {
        font-size: 48px;
        margin-top: 20px;
    }

    h2 {
        font-size: 36px;
    }

    h3 {
        font-size: 28px;
        margin-top: 40px;
    }

    /* 段落样式 */
    p {
        font-size: 16px;
        margin-bottom: 20px;
        padding: 0 20px;
    }

    /* 代码块样式 */
    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

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

    /* 列表样式 */
    ul {
        list-style-type: disc;
        margin-left: 40px;
        margin-bottom: 20px;
    }

    /* 模块化布局 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
        gap: 20px;
        padding: 20px;
    }

    .module {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .module:hover {
        transform: translateY(-10px);
        background: rgba(255, 255, 255, 0.2);
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #FF4500;
        color: #FFFFFF;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease;
    }

    .btn:hover {
        background: #FFD700;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin-bottom: 40px;
    }

    .images img {
        width: 100px;
        height: 100px;
        object-fit: cover;
        border-radius: 8px;
    }

    /* 加载动画 */
    .loader {
        border: 8px solid #f3f3f3;
        border-top: 8px solid #3498db;
        border-radius: 50%;
        width: 60px;
        height: 60px;
        animation: spin 2s linear infinite;
        margin: 40px auto;
    }

    @keyframes spin {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 42px;
        }

        h2 {
            font-size: 32px;
        }

        h3 {
            font-size: 24px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 30px 0;
        }

        .images img {
            width: 90px;
            height: 90px;
        }
    }

    @media (max-width: 1024px) {
        .grid-container {
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        }

        p {
            padding: 0 15px;
        }
    }

    @media (max-width: 768px) {
        h1 {
            font-size: 36px;
        }

        h2 {
            font-size: 28px;
        }

        h3 {
            font-size: 20px;
        }

        .images img {
            width: 80px;
            height: 80px;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 28px;
        }

        h2 {
            font-size: 24px;
        }

        h3 {
            font-size: 18px;
        }

        .images img {
            width: 70px;
            height: 70px;
        }

        p {
            font-size: 14px;
            padding: 0 10px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 24px;
        }

        h2 {
            font-size: 20px;
        }

        h3 {
            font-size: 16px;
        }

        .images img {
            width: 60px;
            height: 60px;
        }

        p {
            font-size: 12px;
            padding: 0 5px;
        }
    }

    /* 动画效果 */
    .ripple-button {
        position: relative;
        overflow: hidden;
    }

    .ripple-button::after {
        content: '';
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: rgba(255, 255, 255, 0.2);
        opacity: 0;
        transition: opacity 0.3s ease;
    }

    .ripple-button:active::after {
        opacity: 1;
        transition: none;
    }

    /* 提示文字 */
    .notice {
        text-align: center;
        font-size: 18px;
        margin-bottom: 30px;
        color: #FFA500;
    }