/* 全局样式 */
    body {
        font-family: 'Roboto', sans-serif;
        margin: 0;
        padding: 0;
        background: linear-gradient(135deg, #002B5B, #FFD700);
        color: #ffffff;
        line-height: 1.6;
    }

    h1, h2, h3, h4 {
        font-family: 'Helvetica', sans-serif;
        color: #FFD700;
    }

    a {
        color: #00CED1;
        text-decoration: none;
    }

    a[rel="nofollow"]:hover {
        text-decoration: underline;
    }

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

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(0, 43, 91, 0.9);
        padding: 15px 0;
        z-index: 1000;
        box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    }

    .navbar ul {
        list-style: none;
        display: flex;
        justify-content: center;
        margin: 0;
        padding: 0;
    }

    .navbar li {
        margin: 0 15px;
    }

    .navbar a {
        color: #FFD700;
        font-size: 1.1rem;
        transition: color 0.3s ease-in-out;
    }

    .navbar a:hover {
        color: #00CED1;
    }

    /* 头部 */
    .header {
        height: 100vh;
        background: radial-gradient(circle, rgba(0,43,91,0.8), transparent);
        display: flex;
        align-items: center;
        justify-content: center;
        text-align: center;
        padding-top: 60px;
    }

    .header h1 {
        font-size: 3rem;
        margin-bottom: 20px;
        animation: fadeIn 2s ease-in-out;
    }

    .header p {
        font-size: 1.5rem;
        max-width: 800px;
        margin: 0 auto;
    }

    /* 主要内容 */
    .content {
        padding: 60px 20px;
        background: #ffffff;
        color: #002B5B;
    }

    .content h2, .content h3, .content h4 {
        color: #002B5B;
    }

    .content p {
        color: #333333;
    }

    .content pre {
        background: #f4f4f4;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .content code {
        font-family: 'Courier New', Courier, monospace;
        background: #e8e8e8;
        padding: 2px 4px;
        border-radius: 3px;
    }

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

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

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: #002B5B;
        color: #FFD700;
    }

    /* 图片 */
    .images {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
    }

    .images img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 5px;
    }

    /* 提示 */
    .note {
        text-align: center;
        font-size: 1.2rem;
        margin: 40px 0;
        color: #FFD700;
    }

    /* 页脚 */
    .footer {
        background: #002B5B;
        color: #FFD700;
        text-align: center;
        padding: 20px 0;
    }

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

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .header h1 {
            font-size: 2.5rem;
        }
        .header p {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 1200px) {
        .navbar ul {
            flex-direction: column;
        }
        .navbar li {
            margin: 10px 0;
        }
        .content {
            padding: 40px 10px;
        }
    }

    @media (max-width: 1024px) {
        .header h1 {
            font-size: 2rem;
        }
        .header p {
            font-size: 1.1rem;
        }
    }

    @media (max-width: 768px) {
        .navbar ul {
            flex-direction: column;
        }
        .header h1 {
            font-size: 1.8rem;
        }
        .header p {
            font-size: 1rem;
        }
    }

    @media (max-width: 480px) {
        .navbar a {
            font-size: 1rem;
        }
        .header h1 {
            font-size: 1.5rem;
        }
        .header p {
            font-size: 0.9rem;
        }
        .content h2 {
            font-size: 1.5rem;
        }
    }

    @media (max-width: 320px) {
        .navbar a {
            font-size: 0.9rem;
        }
        .header h1 {
            font-size: 1.2rem;
        }
        .header p {
            font-size: 0.8rem;
        }
        .content h2 {
            font-size: 1.3rem;
        }
    }

    /* 特殊效果 */
    .aurora {
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
    }

    @keyframes aurora-move {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    /* 按钮样式 */
    .button-primary {
        background: linear-gradient(to right, #6A5ACD, #00CED1);
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: transform 0.3s ease-in-out, background 0.3s ease-in-out;
    }

    .button-primary:hover {
        transform: scale(1.1);
        background: linear-gradient(to right, #00CED1, #6A5ACD);
    }