/* 全局样式 */
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }

    body {
        font-family: 'Roboto', sans-serif;
        background: linear-gradient(135deg, #0073e6, #6f03d1);
        color: #333;
        line-height: 1.6;
        overflow-x: hidden;
    }

    a {
        color: #00bfa5;
        text-decoration: none;
    }

    a[rel="nofollow"] {
        /* 自定义内部链接样式 */
    }

    /* 头部样式 */
    header {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px 0;
        position: fixed;
        width: 100%;
        top: 0;
        z-index: 1000;
        backdrop-filter: blur(10px);
    }

    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding-top: 80px;
    }

    nav ul {
        list-style: none;
        display: flex;
        justify-content: flex-end;
    }

    nav ul li {
        margin-left: 20px;
    }

    nav ul li a {
        color: #fff;
        font-weight: bold;
        transition: color 0.3s;
    }

    nav ul li a:hover {
        color: #00bfa5;
        text-shadow: 0 0 10px rgba(0, 191, 165, 0.5);
    }

    /* 主视觉区域 */
    .hero {
        height: 100vh;
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, rgba(255,87,34,0) 70%);
        display: flex;
        align-items: center;
        justify-content: center;
        position: relative;
        animation: aurora-move 15s linear infinite;
        overflow: hidden;
    }

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

    .hero-content {
        text-align: center;
        color: #fff;
        z-index: 1;
    }

    .hero-content h1 {
        font-size: 3rem;
        margin-bottom: 20px;
        text-shadow: 2px 2px 8px rgba(0,0,0,0.7);
    }

    .hero-content p {
        font-size: 1.2rem;
        max-width: 600px;
        margin: 0 auto;
    }

    /* 微光粒子动画 */
    .particles {
        position: absolute;
        width: 100%;
        height: 100%;
        background-image: url('https://images.gptkong.com/demo/sample1.png'), url('https://images.gptkong.com/demo/sample2.png'), url('https://images.gptkong.com/demo/sample3.png');
        background-repeat: no-repeat;
        background-size: 50px 50px;
        animation: particles-animation 10s linear infinite;
        opacity: 0.3;
    }

    @keyframes particles-animation {
        from { transform: translateX(0); }
        to { transform: translateX(-1000px); }
    }

    /* 主要内容区 */
    .main {
        padding: 60px 0;
        background: #f9f9f9;
    }

    .section {
        margin-bottom: 40px;
    }

    .section h2 {
        text-align: center;
        margin-bottom: 20px;
        color: #0073e6;
    }

    .cards {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .card {
        background: #fff;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        padding: 20px;
        flex: 1 1 calc(33% - 20px);
        margin: 10px;
        transition: transform 0.3s, box-shadow 0.3s;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 10px 15px rgba(0,0,0,0.2);
    }

    .card h3 {
        margin-bottom: 10px;
        color: #00bfa5;
    }

    .card p {
        color: #666;
    }

    /* 示例展示区 */
    .example {
        background: #fff;
        padding: 40px;
        border-radius: 8px;
        box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    }

    .example h2 {
        margin-bottom: 20px;
        color: #0073e6;
    }

    .example pre {
        background: #f4f4f4;
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        font-size: 0.9rem;
    }

    .example code {
        color: #d63384;
    }

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

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

    th, td {
        padding: 12px;
        text-align: left;
    }

    th {
        background-color: #0073e6;
        color: white;
    }

    /* 图片画廊 */
    .gallery {
        display: flex;
        flex-wrap: wrap;
        justify-content: space-around;
    }

    .gallery img {
        width: 150px;
        height: 150px;
        object-fit: cover;
        margin: 10px;
        border-radius: 8px;
        transition: transform 0.3s;
    }

    .gallery img:hover {
        transform: scale(1.05);
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .card {
            flex: 1 1 calc(33% - 20px);
        }
    }

    @media (max-width: 1200px) {
        .card {
            flex: 1 1 calc(50% - 20px);
        }
    }

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

        .card {
            flex: 1 1 80%;
        }
    }

    @media (max-width: 768px) {
        .card {
            flex: 1 1 100%;
            margin-bottom: 20px;
        }

        nav ul {
            flex-direction: column;
            align-items: center;
        }

        nav ul li {
            margin: 10px 0;
        }

        .hero-content h1 {
            font-size: 2rem;
        }

        .hero-content p {
            font-size: 1rem;
        }
    }

    @media (max-width: 480px) {
        .hero-content h1 {
            font-size: 1.5rem;
        }

        .hero-content p {
            font-size: 0.9rem;
        }

        .card {
            padding: 15px;
        }
    }

    @media (max-width: 320px) {
        .gallery img {
            width: 100px;
            height: 100px;
        }
    }

    /* 按钮样式 */
    .btn {
        display: inline-block;
        padding: 10px 20px;
        background-color: #0073e6;
        color: #fff;
        border: none;
        border-radius: 4px;
        transition: all 0.3s ease;
        cursor: pointer;
    }

    .btn:hover {
        background-color: #005cbf;
        box-shadow: 0 0 10px rgba(0, 99, 255, 0.5);
    }

    /* 页脚样式 */
    footer {
        background: rgba(0, 0, 0, 0.8);
        color: #fff;
        text-align: center;
        padding: 20px 0;
    }

    footer p {
        margin-bottom: 10px;
    }

    /* 提示信息 */
    .notice {
        text-align: center;
        padding: 10px;
        background-color: #ffeb3b;
        color: #333;
        font-weight: bold;
    }