/* 基础样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #00008B, #4B0082, #00FFFF);
        background-size: 400% 400%;
        animation: gradient-animation 15s ease infinite;
        color: #FFFFFF;
        line-height: 1.6;
        padding: 20px;
    }

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

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

    a:hover {
        color: #FF4500;
    }

    /* 导航栏 */
    nav {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(10px);
        padding: 15px 30px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
    }

    nav .logo {
        font-size: 1.5rem;
        font-weight: bold;
        color: #FFFFFF;
    }

    nav ul {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    nav ul li a {
        font-size: 1rem;
        color: #FFFFFF;
    }

    /* 首屏 */
    .hero {
        height: 100vh;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        text-align: center;
    }

    .hero::before {
        content: "";
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 139, 0.5);
        backdrop-filter: blur(10px);
        z-index: -1;
    }

    .hero h1 {
        font-size: 3rem;
        text-shadow: 2px 2px 10px rgba(255, 255, 255, 0.3);
    }

    /* 内容区域 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 100px 20px 50px 20px;
    }

    article {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        margin-bottom: 50px;
    }

    article h2 {
        font-size: 2.5rem;
        margin-bottom: 20px;
        text-shadow: 1px 1px 5px rgba(255, 255, 255, 0.2);
    }

    article h3 {
        font-size: 2rem;
        margin-top: 30px;
        margin-bottom: 15px;
        color: #00FFFF;
    }

    article p {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    article pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

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

    table {
        width: 100%;
        border-collapse: collapse;
        margin: 20px 0;
    }

    table, th, td {
        border: 1px solid rgba(255, 255, 255, 0.5);
    }

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

    th {
        background: rgba(0, 0, 139, 0.6);
    }

    /* 模块区域 */
    .modules {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }

    .module {
        background: rgba(255, 255, 255, 0.2);
        border: 1px solid rgba(255, 255, 255, 0.5);
        border-radius: 10px;
        padding: 20px;
        text-align: center;
        transition: all 0.3s ease;
    }

    .module:hover {
        background: rgba(255, 255, 255, 0.5);
        transform: scale(1.05);
    }

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

    .module h4 {
        font-size: 1.5rem;
        margin-bottom: 10px;
        color: #FF4500;
    }

    .module p {
        font-size: 1rem;
    }

    /* 提示信息 */
    .reference {
        text-align: center;
        font-size: 1.2rem;
        margin-top: 50px;
        color: #FFD700;
        animation: blink 2s infinite;
    }

    @keyframes blink {
        0%, 100% {opacity: 1;}
        50% {opacity: 0.5;}
    }

    /* 响应式设计 */
    @media (max-width: 1200px) {
        .hero h1 {
            font-size: 2.5rem;
        }

        nav ul li a {
            font-size: 0.9rem;
        }
    }

    @media (max-width: 1024px) {
        .container {
            padding: 80px 15px 40px 15px;
        }

        article h2 {
            font-size: 2rem;
        }

        article h3 {
            font-size: 1.8rem;
        }
    }

    @media (max-width: 768px) {
        nav ul {
            flex-direction: column;
            background: rgba(0, 0, 0, 0.7);
            position: absolute;
            top: 60px;
            right: 20px;
            padding: 10px;
            display: none;
        }

        nav ul.active {
            display: flex;
        }

        .menu-toggle {
            display: block;
            cursor: pointer;
            color: #FFFFFF;
            font-size: 1.5rem;
        }

        .hero h1 {
            font-size: 2rem;
        }

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

    @media (max-width: 480px) {
        nav {
            padding: 10px 20px;
        }

        .hero h1 {
            font-size: 1.5rem;
        }

        .module h4 {
            font-size: 1.2rem;
        }

        .reference {
            font-size: 1rem;
        }
    }

    @media (max-width: 320px) {
        nav ul {
            width: 100%;
        }

        .module {
            padding: 15px;
        }
    }

    /* 按钮切换导航 */
    .menu-toggle {
        display: none;
    }

    .menu-toggle.active + ul {
        display: flex;
        flex-direction: column;
    }