:root {
        --main-color: #1E2A47; /* 深空蓝 */
        --accent-color: #8F00FF; /* 霓虹紫 */
        --highlight-color: #00FFFF; /* 电光绿 */
        --metal-silver: #C0C0C0;
        --matte-black: #2B2B2B;
        --font-main: 'Roboto', sans-serif;
        --font-title: 'Montserrat', sans-serif;
    }

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

    body {
        background: linear-gradient(135deg, var(--main-color), var(--accent-color));
        color: white;
        font-family: var(--font-main);
        line-height: 1.6;
        padding: 20px;
    }

    header {
        text-align: center;
        padding: 50px 20px;
        background: linear-gradient(135deg, var(--matte-black), var(--metal-silver));
        border-radius: 10px;
        margin-bottom: 30px;
    }

    header h1 {
        font-family: var(--font-title);
        font-size: 3em;
        background: linear-gradient(90deg, var(--main-color), var(--accent-color));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
        margin-bottom: 20px;
    }

    nav {
        margin-top: 20px;
    }

    nav a {
        color: var(--highlight-color);
        text-decoration: none;
        margin: 0 15px;
        font-size: 1.2em;
        position: relative;
        transition: color 0.3s ease;
    }

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

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

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

    section.article {
        background: rgba(0, 0, 0, 0.5);
        padding: 30px;
        border-radius: 10px;
        margin-bottom: 30px;
    }

    section.article h2 {
        font-family: var(--font-title);
        font-size: 2.5em;
        margin-bottom: 20px;
        background: linear-gradient(90deg, var(--main-color), var(--accent-color));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    section.article h3 {
        font-size: 1.8em;
        margin: 20px 0;
        color: var(--highlight-color);
    }

    section.article p {
        margin-bottom: 15px;
        text-indent: 2em;
    }

    section.article pre {
        background: #1E2A47;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    section.article code {
        color: #00FFFF;
        font-family: 'Courier New', Courier, monospace;
        display: block;
        white-space: pre-wrap;
        word-wrap: break-word;
    }

    .sample-data {
        background: rgba(0, 0, 0, 0.7);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 30px;
    }

    .sample-data h2 {
        font-family: var(--font-title);
        font-size: 2em;
        margin-bottom: 15px;
        color: var(--highlight-color);
        text-align: center;
    }

    .sample-data ul {
        list-style: none;
    }

    .sample-data ul li {
        background: linear-gradient(90deg, var(--accent-color), var(--highlight-color));
        padding: 10px;
        border-radius: 5px;
        margin-bottom: 10px;
        display: flex;
        align-items: center;
    }

    .sample-data ul li img {
        width: 40px;
        height: 40px;
        margin-right: 10px;
        border-radius: 5px;
    }

    footer {
        text-align: center;
        padding: 20px;
        background: linear-gradient(135deg, var(--matte-black), var(--metal-silver));
        border-radius: 10px;
        margin-top: 30px;
    }

    footer p {
        font-size: 1em;
        color: var(--highlight-color);
    }

    /* Responsive Design */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 2.5em;
        }
        nav a {
            font-size: 1em;
        }
        section.article h2 {
            font-size: 2em;
        }
    }

    @media (max-width: 1200px) {
        .container {
            grid-template-columns: repeat(2, 1fr);
        }
    }

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

    @media (max-width: 768px) {
        header h1 {
            font-size: 2em;
        }
        nav a {
            margin: 0 10px;
            font-size: 0.9em;
        }
        section.article h2 {
            font-size: 1.8em;
        }
    }

    @media (max-width: 480px) {
        body {
            padding: 10px;
        }
        header {
            padding: 30px 10px;
        }
        header h1 {
            font-size: 1.5em;
        }
        nav a {
            margin: 0 5px;
            font-size: 0.8em;
        }
        section.article h2 {
            font-size: 1.5em;
        }
    }

    @media (max-width: 320px) {
        header h1 {
            font-size: 1.2em;
        }
        nav a {
            display: block;
            margin: 10px 0;
        }
        .sample-data ul li {
            flex-direction: column;
            align-items: flex-start;
        }
        .sample-data ul li img {
            margin-bottom: 5px;
        }
    }

    /* Interactive Effects */
    button {
        background: var(--accent-color);
        border: none;
        padding: 10px 20px;
        color: white;
        cursor: pointer;
        border-radius: 5px;
        transition: background 0.3s, transform 0.3s;
    }

    button:hover {
        background: var(--highlight-color);
        transform: scale(1.05);
    }

    a:hover {
        color: var(--highlight-color);
    }