/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto Mono', monospace;
        background: linear-gradient(135deg, #0A1F3D, #4B0082);
        color: #FFFFFF;
        line-height: 1.6;
        letter-spacing: 0.5px;
        overflow-x: hidden;
    }

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

    /* 头部导航 */
    header {
        background: rgba(75, 0, 130, 0.8);
        backdrop-filter: blur(10px);
        padding: 15px 0;
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    }

    nav ul {
        display: flex;
        justify-content: center;
        list-style: none;
    }

    nav ul li {
        margin: 0 15px;
    }

    nav ul li a {
        color: #FFFFFF;
        text-decoration: none;
        font-size: 16px;
        transition: color 0.3s ease, box-shadow 0.3s ease;
        padding: 5px 10px;
        border-radius: 5px;
    }

    nav ul li a:hover {
        color: #00FFFF;
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    }

    /* 主内容区 */
    main {
        padding: 100px 0 50px 0;
    }

    h1, h2, h3, h4 {
        font-family: 'Orbitron', sans-serif;
        color: #00FFFF;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 36px;
    }

    h2 {
        font-size: 28px;
    }

    h3 {
        font-size: 24px;
    }

    h4 {
        font-size: 20px;
    }

    p {
        font-size: 16px;
        color: #FFFFFF;
        margin-bottom: 15px;
    }

    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        color: #00FFFF;
        font-family: 'Roboto Mono', monospace;
    }

    /* 卡片样式 */
    .card {
        background-color: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        margin-bottom: 20px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
    }

    /* 按钮样式 */
    button {
        background: #4B0082;
        color: #FFFFFF;
        border: none;
        padding: 10px 20px;
        font-size: 16px;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease, box-shadow 0.3s ease;
    }

    button:hover {
        background: #00FFFF;
        box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
    }

    /* 图片样式 */
    img {
        max-width: 100%;
        height: auto;
        border-radius: 10px;
        margin-bottom: 20px;
    }

    /* 代码示例样式 */
    .code-block {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        border-radius: 10px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    .code-block pre {
        margin: 0;
        color: #00FFFF;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 32px;
        }
        h2 {
            font-size: 26px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            width: 95%;
        }
    }

    @media (max-width: 1024px) {
        nav ul {
            flex-direction: column;
            align-items: center;
        }
        nav ul li {
            margin: 10px 0;
        }
    }

    @media (max-width: 768px) {
        h1 {
            font-size: 28px;
        }
        h2 {
            font-size: 22px;
        }
        h3 {
            font-size: 20px;
        }
    }

    @media (max-width: 480px) {
        nav ul li a {
            font-size: 14px;
        }
        h1 {
            font-size: 24px;
        }
        h2 {
            font-size: 20px;
        }
        p {
            font-size: 14px;
        }
    }

    @media (max-width: 320px) {
        nav ul li a {
            font-size: 12px;
        }
        h1 {
            font-size: 20px;
        }
        h2 {
            font-size: 18px;
        }
        p {
            font-size: 12px;
        }
    }

    /* 动画效果 */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .animate-fadeIn {
        animation: fadeIn 2s ease-in-out;
    }

    @keyframes starMove {
        0% { transform: translateY(0); }
        50% { transform: translateY(-20px); }
        100% { transform: translateY(0); }
    }

    .star {
        animation: starMove 5s infinite;
    }

    /* 滚动视差效果 */
    .parallax {
        background-attachment: fixed;
        background-position: center;
        background-repeat: no-repeat;
        background-size: cover;
    }

    /* 提示文字样式 */
    .reference-note {
        background: rgba(255, 105, 180, 0.8);
        color: #FFFFFF;
        padding: 10px 20px;
        border-radius: 5px;
        text-align: center;
        margin-bottom: 30px;
        font-size: 18px;
    }