/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Montserrat', sans-serif;
        background: linear-gradient(135deg, #4568DC, #B06AB3);
        color: #ffffff;
        line-height: 1.6;
        letter-spacing: 0.5px;
    }

    /* 容器 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* 头部 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, rgba(255,87,34,0) 70%);
        position: relative;
        overflow: hidden;
    }

    header h1 {
        font-size: 3rem;
        font-weight: bold;
        color: #ffffff;
        margin-bottom: 20px;
        animation: fadeInDown 2s ease-out;
    }

    header p {
        font-size: 1.2rem;
        color: #f0f0f0;
        animation: fadeInUp 2s ease-out;
    }

    /* 主内容 */
    main {
        background: rgba(0, 0, 0, 0.6);
        padding: 30px;
        border-radius: 10px;
    }

    article h2 {
        font-size: 2.5rem;
        color: #FFCC00;
        margin-bottom: 20px;
        border-bottom: 2px solid #FFCC00;
        padding-bottom: 10px;
    }

    article h3 {
        font-size: 2rem;
        color: #FF9800;
        margin-top: 30px;
        margin-bottom: 15px;
    }

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

    article pre {
        background: #2c2c2c;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    article code {
        color: #00E676;
        font-family: 'Roboto', monospace;
    }

    /* 图片样式 */
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 10px;
        margin: 20px 0;
    }

    .image-grid img {
        width: 100%;
        height: auto;
        border-radius: 8px;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: linear-gradient(90deg, #FFC107, #FF9800);
        color: #ffffff;
        text-decoration: none;
        border-radius: 5px;
        transition: background 0.3s ease;
        cursor: pointer;
    }

    .btn:hover {
        background: linear-gradient(90deg, #FF9800, #FFC107);
    }

    /* 代码块样式 */
    .code-block {
        background: #1e1e1e;
        padding: 20px;
        border-radius: 8px;
        overflow-x: auto;
    }

    .code-block code {
        color: #00BCD4;
        font-family: 'Courier New', Courier, monospace;
        font-size: 0.9rem;
    }

    /* 底部 */
    footer {
        text-align: center;
        padding: 20px;
        background: rgba(0,0,0,0.8);
        color: #ffffff;
        position: relative;
        margin-top: 40px;
        border-top: 2px solid #FFCC00;
    }

    /* 动画效果 */
    @keyframes fadeInDown {
        from { opacity: 0; transform: translateY(-20px); }
        to { opacity: 1; transform: translateY(0); }
    }

    @keyframes fadeInUp {
        from { opacity: 0; transform: translateY(20px); }
        to { opacity: 1; transform: translateY(0); }
    }

    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

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

        article h2 {
            font-size: 2rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 20px;
        }

        main {
            padding: 20px;
        }
    }

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

        article h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 768px) {
        header h1 {
            font-size: 2rem;
        }

        article h2 {
            font-size: 1.8rem;
        }

        .image-grid {
            grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.8rem;
        }

        article h2 {
            font-size: 1.5rem;
        }

        .image-grid {
            grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.5rem;
        }

        article h2 {
            font-size: 1.2rem;
        }

        .btn {
            padding: 8px 16px;
            font-size: 0.9rem;
        }

        .code-block {
            padding: 15px;
        }
    }

    /* 特殊效果 */
    .particle-background {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 1px, transparent 1px);
        background-size: 50px 50px;
        z-index: -1;
    }

    .loader {
        width: 50px;
        height: 50px;
        border: 5px solid #f3f3f3;
        border-top: 5px solid #3498db;
        border-radius: 50%;
        animation: spin 1s linear infinite;
        margin: 20px auto;
    }

    @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
    }