/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', 'Open Sans', 'Helvetica', sans-serif;
        background: linear-gradient(135deg, #0A1F44, #000000);
        color: #FFFFFF;
        line-height: 1.6;
    }

    /* 导航栏 */
    .navbar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(0, 31, 75, 0.9);
        padding: 15px 0;
        text-align: center;
        z-index: 1000;
        box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    }

    .navbar a {
        margin: 0 20px;
        color: #FFFFFF;
        text-decoration: none;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #FF851B;
    }

    /* 主要内容 */
    .container {
        max-width: 1200px;
        margin: 100px auto 50px auto;
        padding: 20px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .module {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
        backdrop-filter: blur(10px);
    }

    h2, h3, h4 {
        color: #FFDC00;
        margin-bottom: 15px;
    }

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

    pre {
        background: #001F3F;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    code {
        color: #FFDC00;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 按钮样式 */
    .btn {
        background: #FF4136;
        color: #FFFFFF;
        padding: 10px 25px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease, transform 0.2s ease;
    }

    .btn:hover {
        background: #FF851B;
    }

    .btn:active {
        transform: scale(0.95);
    }

    /* 图片样式 */
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: 10px;
    }

    .image-grid img {
        width: 100%;
        border-radius: 8px;
        object-fit: cover;
    }

    /* 响应式设计 */
    @media (min-width: 480px) {
        .container {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (min-width: 768px) {
        .container {
            grid-template-columns: 2fr 1fr;
        }
    }

    @media (min-width: 1024px) {
        .container {
            grid-template-columns: 3fr 2fr;
        }
    }

    @media (min-width: 1200px) {
        .container {
            grid-template-columns: 4fr 3fr;
        }
    }

    @media (min-width: 1440px) {
        .container {
            grid-template-columns: 5fr 4fr;
        }
    }

    /* 页脚 */
    .footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 31, 75, 0.9);
        color: #FFFFFF;
        position: fixed;
        width: 100%;
        bottom: 0;
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

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

    /* 链接样式 */
    a[rel="nofollow"] {
        color: #39CCCC;
        text-decoration: underline;
    }

    a[rel="nofollow"]:hover {
        color: #FF851B;
    }