/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Inter', sans-serif;
        background: linear-gradient(135deg, #001f3f, #2ecc71); /* 深蓝到渐变绿 */
        color: #ffffff;
        line-height: 1.6;
    }

    header {
        background: rgba(0, 31, 63, 0.8);
        padding: 20px;
        text-align: center;
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
        box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    }

    header h1 {
        font-family: 'Roboto', sans-serif;
        font-size: 2em;
        margin: 0;
        color: #2ecc71;
    }

    .container {
        max-width: 1200px;
        margin: 100px auto 50px auto;
        padding: 20px;
        display: grid;
        grid-template-columns: 1fr 3fr;
        gap: 20px;
    }

    .sidebar {
        background: rgba(44, 62, 80, 0.9);
        padding: 20px;
        border-radius: 8px;
    }

    .sidebar img {
        width: 100%;
        border-radius: 8px;
        margin-bottom: 15px;
    }

    .content {
        background: rgba(236, 240, 241, 0.9);
        color: #2c3e50;
        padding: 20px;
        border-radius: 8px;
    }

    .content h2, .content h3, .content h4 {
        font-family: 'Roboto', sans-serif;
        color: #001f3f;
    }

    .content pre {
        background: #f4f4f4;
        color: #333;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
    }

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

    .content ul {
        list-style-type: disc;
        padding-left: 20px;
    }

    .content a {
        color: #3498db;
        text-decoration: none;
    }

    .content a:hover {
        text-decoration: underline;
    }

    .footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 31, 63, 0.8);
        color: #ffffff;
        position: fixed;
        width: 100%;
        bottom: 0;
        box-shadow: 0 -2px 10px rgba(0,0,0,0.5);
    }

    /* 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;
    }

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

    @media (max-width: 1200px) {
        .container {
            max-width: 960px;
        }
    }

    @media (max-width: 1024px) {
        .container {
            grid-template-columns: 1fr;
        }

        header h1 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 768px) {
        .content h2 {
            font-size: 1.5em;
        }

        .content h3 {
            font-size: 1.3em;
        }

        .content h4 {
            font-size: 1.1em;
        }
    }

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

        .content pre {
            font-size: 0.9em;
        }

        .sidebar img {
            width: 100%;
        }
    }

    @media (max-width: 320px) {
        .container {
            padding: 10px;
        }

        .content {
            padding: 15px;
        }
    }

    /* 链接样式 */
    a[rel="nofollow"] {
        color: #e67e22;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #3498db;
        color: #ffffff;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        text-decoration: none;
        transition: all 0.3s ease;
    }

    .btn:hover {
        background: #2980b9;
        transform: scale(1.05);
    }

    /* 图标样式 */
    .icon {
        width: 50px;
        height: 50px;
        background-color: #3498db;
        border-radius: 50%;
        box-shadow: 0 0 10px #3498db;
        transition: all 0.3s ease;
    }

    .icon:hover {
        transform: scale(1.1);
        box-shadow: 0 0 20px #3498db;
    }