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

    /* 导航栏样式 */
    nav {
        width: 100%;
        padding: 20px 40px;
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(10px);
        position: fixed;
        top: 0;
        left: 0;
        z-index: 1000;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    nav .logo {
        font-family: 'Roboto Mono', monospace;
        font-size: 1.5rem;
        color: #ffffff;
    }

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

    nav ul li a {
        text-decoration: none;
        color: #ffffff;
        font-family: 'Inter', sans-serif;
        transition: color 0.3s ease;
    }

    nav ul li a:hover {
        color: #ff9f43;
    }

    /* 主页背景及动画 */
    body {
        font-family: 'Inter', sans-serif;
        background: linear-gradient(135deg, #6c5ce7, #8e44ad);
        color: #ffffff;
        min-height: 100vh;
        padding-top: 80px;
        animation: fadeIn 1s ease-in-out;
    }

    @keyframes fadeIn {
        from { opacity: 0; }
        to { opacity: 1; }
    }

    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

    .background-aurora {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: radial-gradient(circle, rgb(255, 87, 34), transparent);
        animation: aurora-move 15s linear infinite;
        z-index: -1;
    }

    /* 主内容区域 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 40px 20px;
        display: grid;
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* 模块化卡片 */
    .card {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        border-radius: 15px;
        padding: 20px;
        box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0px 8px 16px rgba(0, 0, 0, 0.3);
    }

    .card img {
        width: 100%;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .card h3 {
        font-family: 'Roboto Mono', monospace;
        margin-bottom: 10px;
        font-size: 1.25rem;
    }

    .card p {
        font-size: 1rem;
        line-height: 1.6;
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background: linear-gradient(135deg, #6c5ce7, #8e44ad);
        color: #ffffff;
        border: none;
        border-radius: 25px;
        cursor: pointer;
        font-family: 'Inter', sans-serif;
        transition: background 0.3s ease, transform 0.3s ease;
        text-decoration: none;
    }

    .btn:hover {
        background: linear-gradient(135deg, #8e44ad, #6c5ce7);
        transform: scale(1.05);
    }

    /* 示例展示文章样式 */
    .sample-article {
        background: rgba(255, 255, 255, 0.1);
        backdrop-filter: blur(10px);
        padding: 30px;
        border-radius: 15px;
    }

    .sample-article h2, .sample-article h3, .sample-article h4 {
        font-family: 'Roboto Mono', monospace;
        color: #ff9f43;
        margin-bottom: 15px;
    }

    .sample-article p {
        margin-bottom: 15px;
        line-height: 1.8;
    }

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

    .sample-article code {
        background: rgba(0, 0, 0, 0.5);
        padding: 2px 4px;
        border-radius: 4px;
        font-family: 'Courier New', Courier, monospace;
    }

    /* 底部信息栏 */
    footer {
        background: rgba(0, 0, 0, 0.6);
        backdrop-filter: blur(10px);
        padding: 20px 40px;
        text-align: center;
        color: #ffffff;
        font-family: 'Inter', sans-serif;
    }

    /* CTA按钮 */
    .cta {
        text-align: center;
        margin: 40px 0;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .container {
            max-width: 1100px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            max-width: 1000px;
        }
    }

    @media (max-width: 1024px) {
        .container {
            padding: 30px 15px;
        }
        nav {
            padding: 15px 20px;
        }
    }

    @media (max-width: 768px) {
        .container {
            grid-template-columns: 1fr;
        }
        nav ul {
            flex-direction: column;
            gap: 10px;
        }
        .card {
            padding: 15px;
        }
    }

    @media (max-width: 480px) {
        nav .logo {
            font-size: 1.2rem;
        }
        .card h3 {
            font-size: 1.1rem;
        }
        .card p {
            font-size: 0.9rem;
        }
    }

    @media (max-width: 320px) {
        nav {
            flex-direction: column;
            align-items: flex-start;
        }
        nav ul {
            flex-direction: column;
            width: 100%;
        }
    }

    /* 图标样式 */
    .icon {
        background: radial-gradient(circle, #6c5ce7, #8e44ad);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        font-size: 2rem;
        margin-bottom: 10px;
    }

    /* 流动线条效果 */
    .flow-lines {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: url('https://images.gptkong.com/demo/sample10.png') repeat;
        opacity: 0.2;
        animation: moveLines 30s linear infinite;
        z-index: -2;
    }

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

    /* 动态粒子效果 */
    .particles {
        position: absolute;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        background: url('https://images.gptkong.com/demo/sample11.png') repeat;
        opacity: 0.3;
        animation: particleMove 20s linear infinite;
        z-index: -3;
    }

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

    /* 图片展示样式 */
    .image-gallery {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
        gap: 20px;
    }

    .image-gallery img {
        width: 100%;
        border-radius: 10px;
    }

    /* 留白与布局 */
    .spacer {
        height: 40px;
    }

    /* 提示文字样式 */
    .reference-note {
        text-align: center;
        font-size: 1rem;
        margin-bottom: 20px;
        color: #ff9f43;
        font-family: 'Inter', sans-serif;
    }