/* 基础样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0F0F0F, #1E1E1E, #000000);
        color: #FFFFFF;
        line-height: 1.6;
    }

    /* 渐变背景动画 */
    @keyframes gradient-animation {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    body {
        background: linear-gradient(135deg, #0F0F0F, #1E1E1E, #0F0F0F);
        background-size: 400% 400%;
        animation: gradient-animation 15s ease infinite;
    }

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

    /* 头部样式 */
    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(30, 30, 30, 0.8);
        border-bottom: 1px solid #333;
    }

    header h1 {
        font-family: 'Neue Machina', serif;
        font-size: 3rem;
        color: #FFC700;
        margin-bottom: 10px;
        letter-spacing: 2px;
    }

    header p {
        font-size: 1.2rem;
        color: #AAA;
    }

    /* 提示信息样式 */
    .reference-note {
        text-align: center;
        font-size: 1rem;
        color: #FF6347;
        margin: 20px 0;
    }

    /* 文章样式 */
    .article-section {
        background: rgba(34, 34, 34, 0.9);
        padding: 30px;
        border-radius: 10px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
        margin-bottom: 40px;
    }

    .article-section h2 {
        font-family: 'Neue Machina', serif;
        font-size: 2.5rem;
        color: #1E90FF;
        margin-bottom: 20px;
    }

    .article-section h3 {
        font-family: 'Roboto', sans-serif;
        font-size: 1.8rem;
        color: #32CD32;
        margin-top: 30px;
        margin-bottom: 15px;
    }

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

    .article-section pre {
        background: #2E2E2E;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .article-section code {
        font-family: 'Fira Code', monospace;
        color: #FFD700;
    }

    /* 网格布局 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
    }

    .card {
        background: rgba(50, 50, 50, 0.8);
        border-radius: 10px;
        padding: 20px;
        box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 12px rgba(0, 0, 0, 0.5);
    }

    .card img {
        width: 100%;
        border-radius: 5px;
        margin-bottom: 15px;
    }

    .card h4 {
        font-family: 'Roboto', sans-serif;
        font-size: 1.5rem;
        color: #FF69B4;
        margin-bottom: 10px;
    }

    .card p {
        font-size: 0.95rem;
        color: #CCC;
    }

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

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

        .article-section h3 {
            font-size: 1.6rem;
        }
    }

    @media (max-width: 1200px) {
        .container {
            padding: 15px;
        }

        .card h4 {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 1024px) {
        .article-section {
            padding: 25px;
        }
    }

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

        .article-section h2 {
            font-size: 1.8rem;
        }

        .grid-container {
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        }
    }

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

        .article-section h2 {
            font-size: 1.5rem;
        }

        .card h4 {
            font-size: 1.2rem;
        }
    }

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

        .article-section {
            padding: 20px;
        }

        .card {
            padding: 15px;
        }
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: linear-gradient(45deg, #FF6347, #32CD32);
        color: #FFF;
        border: none;
        border-radius: 5px;
        text-decoration: none;
        font-size: 1rem;
        transition: background 0.3s;
    }

    .btn:hover {
        background: linear-gradient(45deg, #32CD32, #FF6347);
    }