:root {
        --primary-color: #0F204E; /* 深蓝色 */
        --secondary-color: #651FFF; /* 紫色 */
        --accent-color: #32CD32; /* 霓虹绿 */
        --neutral-color: #C0C0C0; /* 金属银 */
        --light-color: #FFFFFF; /* 珍珠白 */
        --highlight-color: #FFA500; /* 柔和的橙红 */
        --font-primary: 'Fira Sans', sans-serif;
        --font-secondary: 'Roboto Mono', monospace;
    }

    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: var(--font-primary);
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        color: var(--light-color);
        line-height: 1.6;
        padding: 20px;
        position: relative;
        overflow-x: hidden;
    }

    header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        background: rgba(15, 32, 78, 0.9);
        padding: 10px 20px;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
        box-shadow: 0 2px 10px rgba(0,0,0,0.5);
    }

    header h1 {
        font-size: 1.5rem;
        color: var(--light-color);
    }

    nav a {
        color: var(--light-color);
        text-decoration: none;
        margin-left: 15px;
        position: relative;
    }

    nav a::after {
        content: '';
        display: block;
        width: 0;
        height: 2px;
        background: var(--accent-color);
        transition: width 0.3s;
    }

    nav a:hover::after {
        width: 100%;
    }

    main {
        padding-top: 70px;
        max-width: 1200px;
        margin: 0 auto;
    }

    article {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        margin-bottom: 30px;
    }

    article h2, article h3, article h4 {
        color: var(--accent-color);
        margin-bottom: 15px;
    }

    article h2 {
        font-size: 2rem;
    }

    article h3 {
        font-size: 1.5rem;
    }

    article h4 {
        font-size: 1.2rem;
    }

    article p {
        margin-bottom: 15px;
        font-size: 1rem;
        color: var(--light-color);
    }

    code {
        background: rgba(255, 255, 255, 0.2);
        padding: 2px 4px;
        border-radius: 4px;
        font-family: var(--font-secondary);
        color: var(--highlight-color);
    }

    pre {
        background: rgba(0, 0, 0, 0.5);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 15px;
    }

    table, th, td {
        border: 1px solid var(--accent-color);
    }

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

    th {
        background: var(--secondary-color);
    }

    .example-data {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 15px rgba(0,0,0,0.3);
        margin-bottom: 30px;
    }

    .example-data h2 {
        color: var(--highlight-color);
        margin-bottom: 20px;
    }

    .example-item {
        display: flex;
        align-items: center;
        margin-bottom: 20px;
        flex-wrap: wrap;
    }

    .example-item img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 8px;
        margin-right: 20px;
    }

    .example-item div {
        flex: 1;
        min-width: 200px;
    }

    footer {
        text-align: center;
        padding: 20px;
        color: var(--light-color);
        background: rgba(15, 32, 78, 0.9);
        position: relative;
        bottom: 0;
        width: 100%;
        border-top: 1px solid var(--accent-color);
    }

    .reference-note {
        font-size: 0.9rem;
        color: var(--highlight-color);
        margin-bottom: 10px;
    }

    @media (max-width: 1440px) {
        header h1 {
            font-size: 1.3rem;
        }

        article h2 {
            font-size: 1.8rem;
        }

        .example-item {
            flex-direction: column;
            align-items: flex-start;
        }

        .example-item img {
            margin-right: 0;
            margin-bottom: 10px;
        }
    }

    @media (max-width: 1200px) {
        main {
            padding: 10px;
        }

        article, .example-data {
            padding: 15px;
        }

        article h2 {
            font-size: 1.6rem;
        }

        .example-data h2 {
            font-size: 1.4rem;
        }
    }

    @media (max-width: 1024px) {
        nav a {
            margin-left: 10px;
        }

        article h3, .example-data h2 {
            font-size: 1.3rem;
        }
    }

    @media (max-width: 768px) {
        header {
            flex-direction: column;
            align-items: flex-start;
        }

        nav {
            margin-top: 10px;
        }

        article h2 {
            font-size: 1.4rem;
        }

        .example-item {
            flex-direction: column;
            align-items: flex-start;
        }

        .example-item img {
            max-width: 100%;
            margin-bottom: 10px;
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 1.2rem;
        }

        nav a {
            margin-left: 5px;
            font-size: 0.9rem;
        }

        article h2 {
            font-size: 1.2rem;
        }

        article h3, .example-data h2 {
            font-size: 1.1rem;
        }

        .example-item div {
            min-width: 100%;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }

        header h1 {
            font-size: 1rem;
        }

        nav a {
            font-size: 0.8rem;
        }

        article h2 {
            font-size: 1rem;
        }

        .example-data h2 {
            font-size: 1rem;
        }

        footer {
            font-size: 0.8rem;
        }
    }

    /* 交互动画 */
    button, a.button {
        background: var(--accent-color);
        color: var(--light-color);
        padding: 10px 20px;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: all 0.3s ease;
        text-decoration: none;
        display: inline-block;
    }

    button:hover, a.button:hover {
        background: var(--highlight-color);
        box-shadow: 0 0 10px var(--accent-color);
    }

    /* 动态粒子背景 */
    body::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: url('https://images.gptkong.com/demo/sample1.png') repeat;
        opacity: 0.05;
        z-index: -1;
        animation: moveBackground 60s linear infinite;
    }

    @keyframes moveBackground {
        from { background-position: 0 0; }
        to { background-position: 1000px 1000px; }
    }

    /* 高亮代码块 */
    pre code {
        color: var(--highlight-color);
    }