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

    body {
        font-family: 'Roboto', sans-serif;
        background: radial-gradient(circle, rgba(10,25,47,1) 0%, rgba(100,255,218,1) 100%);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: rgba(10, 25, 47, 0.8);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        margin-bottom: 40px;
    }

    header h1 {
        font-size: 2.5em;
        margin-bottom: 20px;
        color: #64FFDA;
    }

    header p {
        font-size: 1.2em;
    }

    .container {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .card {
        background: linear-gradient(135deg, #0A192F, #64FFDA);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        transition: transform 0.3s ease-in-out, box-shadow 0.3s ease-in-out;
        position: relative;
        overflow: hidden;
    }

    .card:hover {
        transform: scale(1.05);
        box-shadow: 0 8px 25px rgba(0,0,0,0.4);
    }

    .card img {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    .card h3 {
        font-size: 1.5em;
        margin-bottom: 10px;
        color: #ffffff;
    }

    .card p {
        font-size: 1em;
        margin-bottom: 15px;
        color: #e0e0e0;
    }

    .card a {
        display: inline-block;
        padding: 10px 20px;
        background: #64FFDA;
        color: #0A192F;
        border: none;
        border-radius: 25px;
        text-decoration: none;
        font-weight: bold;
        transition: background 0.3s ease-in-out;
    }

    .card a:hover {
        background: #ffffff;
        color: #0A192F;
    }

    /* 示例展示部分 */
    .example-section {
        margin-top: 60px;
        padding: 30px;
        background: rgba(10, 25, 47, 0.9);
        border-radius: 15px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    }

    .example-section h2 {
        font-size: 2em;
        margin-bottom: 20px;
        color: #64FFDA;
        text-align: center;
    }

    .example-section article {
        max-width: 800px;
        margin: 0 auto;
    }

    .example-section h3 {
        font-size: 1.5em;
        margin: 20px 0 10px;
        color: #ffffff;
    }

    .example-section p {
        font-size: 1em;
        margin-bottom: 15px;
        color: #e0e0e0;
    }

    .example-section pre {
        background: #0A192F;
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    .example-section code {
        color: #64FFDA;
        font-family: 'Courier New', Courier, monospace;
    }

    .example-section table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    .example-section th, .example-section td {
        border: 1px solid #64FFDA;
        padding: 10px;
        text-align: left;
        color: #ffffff;
    }

    .example-section th {
        background: #64FFDA;
        color: #0A192F;
    }

    .example-section ul, .example-section ol {
        margin-left: 20px;
        margin-bottom: 15px;
    }

    /* 提示 */
    .notice {
        text-align: center;
        margin-top: 40px;
        font-size: 1.2em;
        color: #ffffff;
    }

    /* 响应式设计 */
    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }

        .card h3 {
            font-size: 1.2em;
        }

        .card p {
            font-size: 0.9em;
        }

        .example-section h2 {
            font-size: 1.5em;
        }
    }

    @media (max-width: 480px) {
        header {
            padding: 30px 15px;
        }

        .card img {
            width: 50px;
            height: 50px;
        }

        .card h3 {
            font-size: 1.1em;
        }

        .example-section h2 {
            font-size: 1.3em;
        }
    }

    /* 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;
    }