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

    body {
        font-family: 'Open Sans', 'Lato', sans-serif;
        background: linear-gradient(135deg, #0074FF, #2A2E33);
        color: #FFFFFF;
        line-height: 1.6;
        min-height: 100vh;
        position: relative;
        overflow-x: hidden;
    }

    /* 背景粒子效果 */
    .particle-background {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        z-index: -3;
        pointer-events: none;
    }

    /* 导航栏 */
    nav {
        width: 100%;
        padding: 20px;
        background: rgba(42, 46, 51, 0.8);
        position: fixed;
        top: 0;
        left: 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 10;
    }

    nav .logo {
        font-family: 'Poppins', sans-serif;
        font-size: 1.5rem;
        color: #FF6F61;
    }

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

    nav ul li {
        margin-left: 20px;
    }

    nav ul li a {
        text-decoration: none;
        color: #FFFFFF;
        font-family: 'Roboto Mono', monospace;
        transition: color 0.3s;
    }

    nav ul li a:hover {
        color: #9C27B0;
    }

    /* 主内容区 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px;
        padding: 20px;
        background: rgba(42, 46, 51, 0.9);
        border-radius: 10px;
        box-shadow: 0 0 20px rgba(0,0,0,0.5);
    }

    h1, h2, h3, h4 {
        font-family: 'Poppins', sans-serif;
        color: #FF6F61;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5rem;
        text-align: center;
        text-shadow: 2px 2px 5px rgba(0,0,0,0.5);
    }

    p {
        font-family: 'Lato', sans-serif;
        font-size: 1rem;
        margin-bottom: 15px;
    }

    pre {
        background: #2A2E33;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Roboto Mono', monospace;
        color: #FF6F61;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    table, th, td {
        border: 1px solid #9C27B0;
    }

    th, td {
        padding: 10px;
        text-align: left;
    }

    th {
        background: #0074FF;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        background-color: #0074FF;
        color: #FFFFFF;
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
    }

    .btn:hover {
        background-color: #FF6F61;
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    /* 图片样式 */
    img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        margin: 10px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1024px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 768px;
        }
    }

    @media (max-width: 1024px) {
        nav ul li {
            margin-left: 15px;
        }
    }

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

        nav ul {
            flex-direction: column;
            background: rgba(42, 46, 51, 0.9);
            position: absolute;
            top: 60px;
            right: 20px;
            display: none;
        }

        nav ul.active {
            display: flex;
        }

        nav .menu-toggle {
            display: block;
            cursor: pointer;
        }
    }

    @media (max-width: 480px) {
        h1 {
            font-size: 1.5rem;
        }

        nav ul li {
            margin: 10px 0;
        }

        .container {
            margin: 80px 10px 30px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.2rem;
        }

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

    /* 动画效果 */
    @keyframes float {
        0%, 100% { transform: translateY(0); }
        50% { transform: translateY(-20px); }
    }

    .floating-object {
        position: absolute;
        animation: float 4s ease-in-out infinite;
        z-index: 5;
    }

    /* 提示文本 */
    .reference-note {
        text-align: center;
        margin-top: 20px;
        font-size: 0.9rem;
        color: #FF6F61;
    }