/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #002f5d, #4e94c6);
        color: #ffffff;
        line-height: 1.6;
        overflow-x: hidden;
    }
    a {
        color: #d4af37;
        text-decoration: none;
        rel: nofollow;
    }
    a[rel="nofollow"] {
        /* 不显示nofollow的说明 */
    }
    header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 47, 93, 0.8);
        padding: 20px;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    header h1 {
        font-size: 1.5rem;
        color: #ffffff;
    }
    nav ul {
        list-style: none;
        display: flex;
    }
    nav ul li {
        margin-left: 20px;
    }
    main {
        padding: 100px 20px 20px 220px;
        max-width: 1200px;
        margin: 0 auto;
    }
    .sidebar {
        position: fixed;
        top: 0;
        left: 0;
        width: 200px;
        height: 100%;
        background-color: #002f5d;
        color: white;
        padding: 20px;
        box-sizing: border-box;
    }
    .sidebar ul {
        list-style: none;
    }
    .sidebar ul li {
        margin-bottom: 15px;
    }
    .sidebar ul li a {
        color: #ffffff;
        transition: color 0.3s;
    }
    .sidebar ul li a:hover {
        color: #d4af37;
    }
    .content {
        display: flex;
        flex-wrap: wrap;
        gap: 20px;
    }
    .content img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
    }
    .article-section {
        width: 100%;
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
    }
    .article-section h2 {
        color: #d4af37;
        margin-bottom: 10px;
    }
    pre {
        background: #003366;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }
    code {
        color: #66ff66;
        font-family: 'Courier New', Courier, monospace;
    }
    .footer {
        margin-top: 50px;
        text-align: center;
        color: #cccccc;
    }
    /* 响应式设计 */
    @media (max-width: 1440px) {
        main {
            max-width: 1000px;
        }
    }
    @media (max-width: 1200px) {
        main {
            padding: 100px 15px 15px 200px;
        }
        .sidebar {
            width: 180px;
        }
    }
    @media (max-width: 1024px) {
        header h1 {
            font-size: 1.2rem;
        }
        nav ul li {
            margin-left: 15px;
        }
    }
    @media (max-width: 768px) {
        main {
            padding: 100px 10px 10px 150px;
        }
        .sidebar {
            width: 150px;
        }
    }
    @media (max-width: 480px) {
        header {
            flex-direction: column;
            align-items: flex-start;
        }
        nav ul {
            flex-direction: column;
            width: 100%;
        }
        nav ul li {
            margin-left: 0;
            margin-top: 10px;
        }
        main {
            padding: 100px 10px 10px 100px;
        }
        .sidebar {
            width: 100px;
        }
    }
    @media (max-width: 320px) {
        header h1 {
            font-size: 1rem;
        }
        .sidebar ul li a {
            font-size: 0.9rem;
        }
        .content {
            flex-direction: column;
        }
    }