/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #2c3e50, #8e44ad);
        color: #ffffff;
        line-height: 1.6;
    }

    /* 头部导航 */
    header {
        position: fixed;
        top: 0;
        width: 100%;
        background: rgba(44, 62, 80, 0.9);
        padding: 20px 40px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 1000;
        box-shadow: 0 2px 4px rgba(0,0,0,0.5);
    }

    header h1 {
        font-family: 'Neon Tubes', sans-serif;
        font-size: 24px;
        color: #FFAE42;
    }

    nav ul {
        list-style: none;
        display: flex;
        gap: 20px;
    }

    nav ul li a {
        text-decoration: none;
        color: #ffffff;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    nav ul li a:hover {
        color: #FFAE42;
    }

    /* 主内容区 */
    main {
        padding: 100px 20px 40px 20px;
        max-width: 1200px;
        margin: 0 auto;
    }

    article {
        background: rgba(44, 62, 80, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.3);
        margin-bottom: 40px;
    }

    article h2 {
        font-family: 'Neon Tubes', sans-serif;
        font-size: 32px;
        color: #FFAE42;
        margin-bottom: 20px;
        text-align: center;
        text-shadow: 2px 2px #1E3C72;
    }

    article h3 {
        font-size: 24px;
        color: #ffffff;
        margin-top: 20px;
        margin-bottom: 10px;
    }

    article p {
        font-size: 16px;
        color: #ecf0f1;
        margin-bottom: 15px;
    }

    article pre {
        background: #34495e;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 15px;
    }

    article code {
        color: #e74c3c;
        font-family: 'Courier New', Courier, monospace;
    }

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

    article table, article th, article td {
        border: 1px solid #7f8c8d;
    }

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

    article th {
        background: #1abc9c;
        color: #ffffff;
    }

    article ul {
        list-style: disc inside;
        margin-bottom: 20px;
    }

    /* 示例数据展示 */
    .sample-data {
        background: rgba(52, 73, 94, 0.8);
        padding: 20px;
        border-radius: 10px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.3);
        margin-bottom: 40px;
    }

    .sample-data h2 {
        font-family: 'Neon Tubes', sans-serif;
        font-size: 28px;
        color: #FFAE42;
        margin-bottom: 15px;
        text-align: center;
    }

    .sample-data ul {
        list-style: square inside;
    }

    .sample-data li {
        margin-bottom: 10px;
        font-size: 16px;
        color: #bdc3c7;
    }

    /* 图片样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin-bottom: 40px;
    }

    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 8px;
        transition: transform 0.3s ease;
    }

    .images-grid img:hover {
        transform: scale(1.05);
    }

    /* 提示信息 */
    .reference-note {
        text-align: center;
        font-size: 18px;
        color: #ecf0f1;
        margin-bottom: 40px;
        padding: 10px;
        background: rgba(52, 73, 94, 0.7);
        border-radius: 5px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        header h1 {
            font-size: 22px;
        }

        nav ul li a {
            font-size: 15px;
        }

        main {
            padding: 90px 15px 30px 15px;
        }

        article h2 {
            font-size: 28px;
        }

        article h3 {
            font-size: 22px;
        }

        article p, .sample-data li {
            font-size: 15px;
        }

        .reference-note {
            font-size: 16px;
        }
    }

    @media (max-width: 1200px) {
        header {
            padding: 15px 30px;
        }

        article {
            padding: 18px;
        }

        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        }
    }

    @media (max-width: 1024px) {
        header h1 {
            font-size: 20px;
        }

        nav ul {
            gap: 15px;
        }

        nav ul li a {
            font-size: 14px;
        }

        article h2 {
            font-size: 26px;
        }

        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        }
    }

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

        nav ul {
            flex-direction: column;
            gap: 10px;
        }

        main {
            padding: 80px 10px 20px 10px;
        }

        article h2 {
            font-size: 24px;
        }

        article h3 {
            font-size: 20px;
        }

        article p, .sample-data li {
            font-size: 14px;
        }

        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        }
    }

    @media (max-width: 480px) {
        header h1 {
            font-size: 18px;
        }

        nav ul li a {
            font-size: 13px;
        }

        article h2 {
            font-size: 22px;
        }

        article h3 {
            font-size: 18px;
        }

        article p, .sample-data li {
            font-size: 13px;
        }

        .reference-note {
            font-size: 14px;
        }
    }

    @media (max-width: 320px) {
        header {
            padding: 10px 20px;
        }

        header h1 {
            font-size: 16px;
        }

        nav ul {
            gap: 10px;
        }

        nav ul li a {
            font-size: 12px;
        }

        main {
            padding: 70px 5px 15px 5px;
        }

        article h2 {
            font-size: 20px;
        }

        article h3 {
            font-size: 16px;
        }

        article p, .sample-data li {
            font-size: 12px;
        }

        .images-grid {
            grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
        }
    }

    /* 动态粒子特效 */
    .particle-background {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        pointer-events: none;
        z-index: -1;
    }

    /* 鼠标悬停动画 */
    .interactive:hover {
        animation: glow 1s infinite alternate;
    }

    @keyframes glow {
        from {
            text-shadow: 0 0 10px #FFAE42, 0 0 20px #FFAE42;
        }
        to {
            text-shadow: 0 0 20px #FFAE42, 0 0 30px #FFAE42;
        }
    }

    /* 卡片设计 */
    .card {
        background: rgba(44, 62, 80, 0.9);
        border-radius: 10px;
        padding: 15px;
        box-shadow: 0 2px 4px rgba(0,0,0,0.3);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 4px 8px rgba(0,0,0,0.5);
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: #FFAE42;
        color: #1E3C72;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        transition: background 0.3s ease, color 0.3s ease;
        text-decoration: none;
        font-size: 16px;
    }

    .btn:hover {
        background: #1E3C72;
        color: #FFAE42;
    }