/* 基本重置 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0f2027, #203a43, #2c5364);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4 {
        font-family: 'Futura', sans-serif;
        color: #ffffff;
        text-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
    }

    h1 {
        font-size: 3em;
        margin-bottom: 20px;
    }

    h2 {
        font-size: 2em;
        margin-top: 40px;
        margin-bottom: 20px;
    }

    h3 {
        font-size: 1.5em;
        margin-top: 30px;
        margin-bottom: 15px;
    }

    h4 {
        font-size: 1.2em;
        margin-top: 20px;
        margin-bottom: 10px;
    }

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

    a {
        color: #00ffcc;
        text-decoration: none;
        position: relative;
    }

    a::after {
        content: '';
        position: absolute;
        width: 100%;
        transform: scaleX(0);
        height: 2px;
        bottom: 0;
        left: 0;
        background-color: #00ffcc;
        transform-origin: bottom right;
        transition: transform 0.25s ease-out;
    }

    a:hover::after {
        transform: scaleX(1);
        transform-origin: bottom left;
    }

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

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

    @media (min-width: 1024px) {
        .container {
            grid-template-columns: 1fr 1fr 1fr;
        }
    }

    .module {
        background-color: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 15px;
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        transition: transform 0.3s ease;
    }

    .module:hover {
        transform: scale(1.05);
    }

    pre {
        background: rgba(0, 0, 0, 0.7);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
        font-family: 'Courier New', Courier, monospace;
        margin-bottom: 15px;
    }

    code {
        color: #00ffcc;
        font-size: 0.95em;
    }

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

    th, td {
        border: 1px solid #00ffcc;
        padding: 10px;
        text-align: left;
    }

    th {
        background-color: rgba(0, 255, 204, 0.2);
    }

    button {
        background-color: #00ffcc;
        border: none;
        padding: 10px 20px;
        color: #0f2027;
        font-size: 1em;
        border-radius: 25px;
        cursor: pointer;
        position: relative;
        overflow: hidden;
        transition: background-color 0.3s ease;
    }

    button:hover {
        background-color: #00e6b8;
    }

    button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        background: rgba(255, 255, 255, 0.5);
        border-radius: 50%;
        transform: translate(-50%, -50%);
        transition: all 0.3s ease-out;
    }

    button:hover::before {
        width: 200px;
        height: 200px;
    }

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

    .sample-article {
        background-color: rgba(255, 255, 255, 0.05);
        padding: 30px;
        border-radius: 15px;
        backdrop-filter: blur(10px);
        box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
        margin-top: 40px;
    }

    .sample-article h2 {
        text-align: center;
        margin-bottom: 20px;
    }

    .reference-note {
        text-align: center;
        font-size: 1.2em;
        margin-bottom: 20px;
        color: #ffcc00;
    }

    .gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin-top: 20px;
    }

    footer {
        text-align: center;
        margin-top: 50px;
        font-size: 1em;
        color: #e0e0e0;
    }

    /* 响应式设计 */
    @media (max-width: 480px) {
        h1 {
            font-size: 2em;
        }

        h2 {
            font-size: 1.5em;
        }

        h3 {
            font-size: 1.2em;
        }

        pre, code {
            font-size: 0.8em;
        }

        button {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }