/* 基本样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Montserrat', 'Helvetica', 'Roboto', sans-serif;
        background: linear-gradient(135deg, #000428, #004e92);
        color: #ffffff;
        line-height: 1.6;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    /* 容器 */
    .container {
        width: 90%;
        max-width: 1440px;
        padding: 20px;
    }

    /* 标题样式 */
    .header {
        text-align: center;
        padding: 40px 0;
        background: linear-gradient(135deg, #1f4037, #99f2c8);
        border-radius: 15px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }

    .header h1 {
        font-size: 3em;
        margin: 0;
        background: linear-gradient(90deg, #ff0099, #493240);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    /* 网格布局 */
    .grid-container {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 20px;
        margin: 40px 0;
    }

    /* 卡片样式 */
    .card {
        background: linear-gradient(145deg, #141e30, #243b55);
        border-radius: 15px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
        overflow: hidden;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.4);
    }

    .card img {
        width: 100%;
        height: 200px;
        object-fit: cover;
    }

    .card-content {
        padding: 20px;
    }

    .card-title {
        font-size: 1.5em;
        margin-bottom: 10px;
        color: #00ffcc;
    }

    .card-description {
        font-size: 1em;
        margin-bottom: 15px;
    }

    .card-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }

    .tag {
        background: #ff6ec4;
        padding: 5px 10px;
        border-radius: 20px;
        font-size: 0.9em;
        color: #ffffff;
    }

    /* 示例数据展示区 */
    .sample-article {
        background: linear-gradient(135deg, #434343, #000000);
        padding: 30px;
        border-radius: 15px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        margin: 40px 0;
    }

    .sample-article h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #ff7675;
    }

    .sample-article h3, .sample-article h4 {
        color: #74b9ff;
    }

    .sample-article p {
        margin-bottom: 15px;
    }

    .sample-article pre {
        background: #2d3436;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    .sample-article code {
        color: #dfe6e9;
    }

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

    @media (max-width: 1200px) {
        .grid-container {
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        }
    }

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

    @media (max-width: 768px) {
        .grid-container {
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        }

        .card img {
            height: 150px;
        }
    }

    @media (max-width: 480px) {
        .header {
            padding: 20px;
        }

        .header h1 {
            font-size: 1.5em;
        }

        .card img {
            height: 120px;
        }

        .card-content {
            padding: 15px;
        }
    }

    @media (max-width: 320px) {
        .header h1 {
            font-size: 1.2em;
        }

        .card img {
            height: 100px;
        }

        .sample-article {
            padding: 20px;
        }
    }

    /* 额外视觉效果 */
    .button {
        display: inline-block;
        padding: 10px 20px;
        background: #00b894;
        color: #ffffff;
        border-radius: 25px;
        text-decoration: none;
        transition: background 0.3s ease;
    }

    .button:hover {
        background: #019875;
    }

    /* 强调文本 */
    .highlight {
        color: #fab1a0;
        font-weight: bold;
    }

    /* 链接样式 */
    a {
        color: #81ecec;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #55efc4;
    }

    /* 代码高亮 */
    .code-block {
        background: #2d3436;
        padding: 10px;
        border-radius: 5px;
        overflow-x: auto;
    }

    .code-block code {
        color: #dfe6e9;
        font-family: 'Courier New', Courier, monospace;
    }