/* 基础样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #1e3c72, #2a5298);
        color: #ffffff;
        line-height: 1.6;
        padding: 20px;
    }

    h1, h2, h3, h4 {
        font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
        font-weight: bold;
        margin-bottom: 15px;
        color: #ffffff;
    }

    h1 {
        font-size: 2.5rem;
        text-align: center;
        margin-top: 20px;
        text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    h2 {
        font-size: 2rem;
        border-bottom: 2px solid #ffffff;
        padding-bottom: 10px;
        margin-top: 40px;
    }

    h3 {
        font-size: 1.75rem;
        margin-top: 30px;
    }

    h4 {
        font-size: 1.5rem;
        margin-top: 20px;
    }

    p {
        font-size: 1rem;
        margin-bottom: 20px;
        color: #e0e0e0;
    }

    pre {
        background: rgba(255, 255, 255, 0.1);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    code {
        font-family: 'Courier New', Courier, monospace;
        color: #ffd700;
    }

    a {
        color: #add8e6;
        text-decoration: none;
        transition: color 0.3s;
    }

    a:hover {
        color: #ffeb3b;
    }

    /* 图片样式 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin: 20px 0;
        justify-content: center;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        height: auto;
        border-radius: 10px;
        transition: transform 0.3s, opacity 0.3s;
    }

    .image-gallery img:hover {
        transform: scale(1.05);
        opacity: 0.8;
    }

    /* 表格样式 */
    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    table, th, td {
        border: 1px solid #ffffff;
    }

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

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

    /* 按钮样式 */
    .cta-button {
        display: inline-block;
        padding: 10px 20px;
        background: linear-gradient(45deg, #ff416c, #ff4b2b);
        color: #ffffff;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        transition: transform 0.3s, background 0.3s;
        text-decoration: none;
        font-size: 1rem;
    }

    .cta-button:hover {
        transform: scale(1.1);
        background: linear-gradient(45deg, #ff4b2b, #ff416c);
    }

    /* 动画效果 */
    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    .fade-in {
        animation: fadeIn 2s ease-in-out;
    }

    @keyframes slideIn {
        from { transform: translateX(-100%); }
        to { transform: translateX(0); }
    }

    .slide-in {
        animation: slideIn 1s ease-out;
    }

    /* 导航栏样式 */
    nav {
        background: rgba(0, 0, 0, 0.5);
        padding: 15px;
        border-radius: 10px;
        position: fixed;
        width: 100%;
        top: 0;
        left: 0;
        z-index: 1000;
        display: flex;
        justify-content: center;
    }

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

    nav ul li {
        position: relative;
    }

    nav ul li::after {
        content: '';
        display: block;
        width: 0%;
        height: 2px;
        background: #ffd700;
        transition: width 0.3s;
        position: absolute;
        bottom: 0;
        left: 0;
    }

    nav ul li:hover::after {
        width: 100%;
    }

    /* 页脚样式 */
    footer {
        text-align: center;
        padding: 20px;
        margin-top: 40px;
        background: rgba(0, 0, 0, 0.7);
        border-radius: 10px;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 1200px) {
        h1 {
            font-size: 2rem;
        }
    }

    @media (max-width: 1024px) {
        .image-gallery {
            flex-direction: column;
            align-items: center;
        }

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

    @media (max-width: 768px) {
        body {
            padding: 10px;
        }

        h1 {
            font-size: 1.8rem;
        }

        h2 {
            font-size: 1.5rem;
        }

        h3 {
            font-size: 1.3rem;
        }

        h4 {
            font-size: 1.1rem;
        }

        .cta-button {
            width: 100%;
            text-align: center;
        }
    }

    @media (max-width: 480px) {
        nav {
            padding: 10px;
        }

        nav ul li {
            padding: 5px;
        }
    }

    @media (max-width: 320px) {
        h1 {
            font-size: 1.5rem;
        }

        .image-gallery img {
            max-width: 100%;
        }
    }

    /* 微纹理背景 */
    .texture {
        background: url('https://images.gptkong.com/demo/sample1.png') repeat;
        opacity: 0.05;
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: -1;
    }

    /* 视觉冲击力元素 */
    .highlight {
        background: rgba(255, 255, 255, 0.2);
        padding: 5px 10px;
        border-radius: 5px;
    }

    /* 代码块样式 */
    .code-block {
        background: rgba(0, 0, 0, 0.8);
        padding: 15px;
        border-radius: 10px;
        overflow-x: auto;
    }

    /* 提示样式 */
    .note {
        background: rgba(255, 255, 255, 0.1);
        padding: 10px;
        border-left: 4px solid #ffd700;
        margin: 20px 0;
    }

    /* 图片动画 */
    .animated-image {
        animation: rotate 10s linear infinite;
    }

    @keyframes rotate {
        from { transform: rotate(0deg); }
        to { transform: rotate(360deg); }
    }

    /* 文章示例展示样式 */
    .example-article {
        background: rgba(0, 0, 0, 0.6);
        padding: 30px;
        border-radius: 15px;
        margin-top: 50px;
    }

    .example-article h2 {
        color: #ffd700;
        text-align: center;
        text-shadow: none;
    }

    .example-article pre {
        background: rgba(255, 255, 255, 0.2);
        color: #00ff00;
    }

    .example-article code {
        color: #00ff00;
    }

    /* 动态生成线条图 */
    .dynamic-lines {
        width: 100%;
        height: 300px;
        background: transparent;
        position: relative;
        overflow: hidden;
        border-radius: 10px;
        margin-top: 20px;
    }

    .line {
        position: absolute;
        width: 2px;
        height: 100%;
        background: linear-gradient(to bottom, #ff416c, #ff4b2b);
        animation: moveLine 15s linear infinite;
    }

    @keyframes moveLine {
        0% { transform: translateX(0); opacity: 1; }
        100% { transform: translateX(100%); opacity: 0; }
    }

    /* CTA按钮悬浮 */
    .floating-cta {
        position: fixed;
        bottom: 30px;
        right: 30px;
        background: #ff416c;
        padding: 15px 25px;
        border-radius: 50px;
        color: #ffffff;
        text-decoration: none;
        box-shadow: 0 4px 6px rgba(0,0,0,0.3);
        transition: background 0.3s, transform 0.3s;
    }

    .floating-cta:hover {
        background: #ff4b2b;
        transform: translateY(-5px);
    }