/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Montserrat', 'Open Sans', sans-serif;
        background: linear-gradient(135deg, #001f3f, #0074d9);
        color: #ffffff;
        line-height: 1.6;
    }

    /* 头部样式 */
    header {
        background: radial-gradient(circle, rgba(0,31,63,1) 0%, rgba(0,116,217,1) 100%);
        padding: 20px;
        text-align: center;
        position: relative;
    }

    header h1 {
        margin: 0;
        font-size: 2.5em;
        color: #ff851b;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: center;
        background-color: rgba(0, 31, 63, 0.8);
        padding: 10px 0;
        position: sticky;
        top: 0;
        z-index: 1000;
    }

    .nav-item {
        margin: 0 15px;
        color: #ffffff;
        text-decoration: none;
        font-size: 1em;
        transition: color 0.3s ease;
    }

    .nav-item:hover {
        color: #ff851b;
    }

    /* 主容器样式 */
    .container {
        max-width: 1200px;
        margin: 30px auto;
        padding: 0 20px;
    }

    /* 模块样式 */
    .module {
        margin-bottom: 40px;
    }

    .module h2, .module h3 {
        color: #ff851b;
        margin-bottom: 20px;
        position: relative;
    }

    .module h2::after, .module h3::after {
        content: '';
        display: block;
        width: 50px;
        height: 3px;
        background: #ffffff;
        margin-top: 10px;
        border-radius: 2px;
    }

    .module p {
        font-size: 1em;
        margin-bottom: 20px;
    }

    /* 代码块样式 */
    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 5px;
        overflow: auto;
        font-family: 'Courier New', Courier, monospace;
        color: #00ff00;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #00ff00;
    }

    /* 图片样式 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin-bottom: 20px;
    }

    .images img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        transition: transform 0.3s ease;
    }

    .images img:hover {
        transform: scale(1.05);
    }

    /* 示例展示样式 */
    .example {
        background: rgba(255, 255, 255, 0.05);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
    }

    .example h2 {
        color: #00ffff;
    }

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

    /* 背景动画 */
    body::before {
        content: "";
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255,87,34,0.3), transparent);
        animation: aurora-move 15s linear infinite;
        z-index: -1;
    }

    /* 粒子效果 */
    .particles {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: transparent;
        pointer-events: none;
        overflow: hidden;
    }

    .particle {
        position: absolute;
        width: 5px;
        height: 5px;
        background: #ffffff;
        border-radius: 50%;
        opacity: 0.8;
        animation: twinkle 3s infinite ease-in-out;
    }

    @keyframes twinkle {
        0%, 100% { opacity: 0.8; }
        50% { opacity: 0.2; }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.2em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 0 15px;
        }

        .nav-item {
            margin: 0 10px;
            font-size: 0.9em;
        }
    }

    @media (max-width: 1024px) {
        .images {
            flex-direction: column;
            align-items: center;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        .module h2 {
            font-size: 1.5em;
        }

        .module h3 {
            font-size: 1.2em;
        }
    }

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

        .nav-item {
            margin: 5px 0;
            font-size: 0.8em;
        }

        .module h2 {
            font-size: 1.3em;
        }

        .module p {
            font-size: 0.9em;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.8em;
        }

        .module h2 {
            font-size: 1.2em;
        }

        .module p {
            font-size: 0.8em;
        }
    }

    /* 代码块响应 */
    pre {
        white-space: pre-wrap;
        word-wrap: break-word;
    }

    /* 页面提示样式 */
    .hint {
        text-align: center;
        font-size: 1em;
        color: #ffdc00;
        margin: 20px 0;
    }

    /* 代码高亮样式 */
    .code-block {
        background: #2d2d2d;
        color: #f8f8f2;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    /* 其他视觉效果 */
    .highlight {
        color: #ff851b;
        font-weight: bold;
    }