/* 基本样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        line-height: 1.6;
        color: #333333;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        padding: 20px;
    }

    h1, h2, h3, h4, h5, h6 {
        color: #ffffff;
        margin-bottom: 15px;
    }

    p {
        margin-bottom: 15px;
        color: #f0f0f0;
    }

    a {
        color: #ff851b;
        text-decoration: none;
    }

    a:hover {
        text-decoration: underline;
    }

    /* 容器 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
        backdrop-filter: blur(8.5px);
        -webkit-backdrop-filter: blur(8.5px);
        border: 1px solid rgba(255, 255, 255, 0.18);
    }

    /* 标题样式 */
    .title {
        text-align: center;
        font-size: 2.5em;
        margin-bottom: 30px;
        background: linear-gradient(90deg, #ff7e5f, #feb47b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    /* 卡片网格 */
    .card-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 20px;
        margin-bottom: 40px;
    }

    /* 单个卡片 */
    .card {
        background: linear-gradient(145deg, #ffffff, #e0e0e0);
        border-radius: 15px;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.2);
        padding: 20px;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
        position: relative;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 20px 30px rgba(0, 0, 0, 0.3);
    }

    .card h3 {
        margin-bottom: 10px;
        color: #0074D9;
    }

    .card p {
        margin-bottom: 8px;
    }

    .card .code {
        background: #2d2d2d;
        color: #f8f8f2;
        padding: 10px;
        border-radius: 5px;
        font-family: 'Courier New', Courier, monospace;
        overflow-x: auto;
    }

    /* 示例展示 */
    .example-section {
        background: rgba(255, 255, 255, 0.2);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 40px;
    }

    .example-section h2 {
        margin-bottom: 15px;
        color: #ff851b;
    }

    .example-section pre {
        background: #1e1e1e;
        color: #dcdcdc;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    .example-section table {
        width: 100%;
        border-collapse: collapse;
        margin-top: 15px;
    }

    .example-section table, .example-section th, .example-section td {
        border: 1px solid #ffffff;
    }

    .example-section th, .example-section td {
        padding: 10px;
        text-align: left;
    }

    .example-section th {
        background: #0074D9;
        color: #ffffff;
    }

    /* 图片样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
        gap: 10px;
        margin-bottom: 40px;
    }

    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 10px;
    }

    /* 动画 */
    @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) {
        .title {
            font-size: 2.2em;
        }
    }

    @media (max-width: 1200px) {
        .title {
            font-size: 2em;
        }
    }

    @media (max-width: 1024px) {
        .card-grid {
            grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
        }
    }

    @media (max-width: 768px) {
        .card-grid {
            grid-template-columns: 1fr;
        }

        .title {
            font-size: 1.8em;
        }
    }

    @media (max-width: 480px) {
        body {
            padding: 10px;
        }

        .title {
            font-size: 1.5em;
        }

        .card {
            padding: 15px;
        }
    }

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

        .card {
            padding: 10px;
        }
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #ff7e5f;
        color: #ffffff;
        border-radius: 5px;
        transition: background 0.3s ease;
        text-align: center;
    }

    .btn:hover {
        background: #feb47b;
    }

    /* 提示文字 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        color: #f0f0f0;
        margin-top: 20px;
    }