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

    /* 基本字体设置 */
    body {
        font-family: 'Poppins', sans-serif;
        background: linear-gradient(135deg, #0A1F44, #B8C0FF);
        color: #FFFFFF;
        line-height: 1.6;
    }

    /* 容器设置 */
    .container {
        width: 90%;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
    }

    /* 导航栏样式 */
    .navbar {
        width: 100%;
        position: fixed;
        top: 0;
        left: 0;
        background: rgba(10, 31, 68, 0.8);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 15px 30px;
        transition: background 0.3s ease;
        z-index: 1000;
    }

    .navbar.scrolled {
        background: rgba(10, 31, 68, 0.9);
    }

    .navbar a {
        color: #FFFFFF;
        text-decoration: none;
        margin: 0 15px;
        font-size: 16px;
        transition: color 0.3s ease;
    }

    .navbar a:hover {
        color: #FFD700;
    }

    /* 头图样式 */
    .hero {
        height: 100vh;
        background: url('https://images.gptkong.com/demo/sample1.png') center/cover no-repeat;
        display: flex;
        justify-content: center;
        align-items: center;
        position: relative;
        overflow: hidden;
    }

    .hero::after {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(10, 31, 68, 0.6);
    }

    .hero-content {
        position: relative;
        text-align: center;
        z-index: 1;
    }

    .hero h1 {
        font-size: 48px;
        margin-bottom: 20px;
        color: #FFD700;
    }

    .hero p {
        font-size: 20px;
        max-width: 600px;
        margin: 0 auto 30px;
    }

    .cta-button {
        background: #FF6F61;
        color: #FFFFFF;
        padding: 15px 30px;
        border: none;
        border-radius: 12px;
        font-size: 18px;
        cursor: pointer;
        transition: transform 0.3s ease, background 0.3s ease;
    }

    .cta-button:hover {
        transform: scale(1.05);
        background: #FFD700;
    }

    /* 卡片模块样式 */
    .card {
        background: rgba(255, 255, 255, 0.9);
        color: #0A1F44;
        border-radius: 16px;
        padding: 20px;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        margin: 20px 0;
        transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card:hover {
        transform: translateY(-10px);
        box-shadow: 0 8px 16px rgba(0,0,0,0.2);
    }

    .card img {
        width: 100%;
        border-radius: 12px;
        margin-bottom: 15px;
    }

    .card h3 {
        font-size: 24px;
        margin-bottom: 10px;
    }

    .card p {
        font-size: 16px;
    }

    /* 示例展示样式 */
    .example-display {
        background: rgba(245, 245, 247, 0.8);
        color: #0A1F44;
        padding: 30px;
        border-radius: 16px;
        margin: 40px 0;
    }

    .example-display h2 {
        font-size: 28px;
        margin-bottom: 20px;
        text-align: center;
        color: #FF6F61;
    }

    .example-display p {
        font-size: 18px;
        margin-bottom: 15px;
    }

    .example-display pre {
        background: #F5F5F7;
        color: #0A1F44;
        padding: 15px;
        border-radius: 12px;
        overflow-x: auto;
        font-size: 16px;
        margin-bottom: 15px;
    }

    .example-display code {
        font-family: 'Courier New', Courier, monospace;
    }

    /* 动态粒子效果 */
    #particles {
        position: absolute;
        width: 100%;
        height: 100%;
        z-index: -1;
        pointer-events: none;
    }

    .particle {
        width: 5px;
        height: 5px;
        background: white;
        border-radius: 50%;
        position: absolute;
        animation: move-particles 10s infinite;
    }

    @keyframes move-particles {
        0% { transform: translate(0, 0); }
        100% { transform: translate(-50px, 50px); }
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .hero h1 {
            font-size: 42px;
        }

        .hero p {
            font-size: 18px;
        }

        .cta-button {
            font-size: 16px;
            padding: 12px 25px;
        }
    }

    @media (max-width: 1200px) {
        .container {
            width: 95%;
        }

        .card h3 {
            font-size: 22px;
        }

        .card p {
            font-size: 15px;
        }
    }

    @media (max-width: 1024px) {
        .hero h1 {
            font-size: 38px;
        }

        .hero p {
            font-size: 16px;
        }

        .cta-button {
            font-size: 14px;
            padding: 10px 20px;
        }
    }

    @media (max-width: 768px) {
        .navbar {
            flex-direction: column;
            padding: 10px 20px;
        }

        .navbar a {
            margin: 10px 0;
            font-size: 14px;
        }

        .hero h1 {
            font-size: 32px;
        }

        .hero p {
            font-size: 14px;
        }

        .cta-button {
            font-size: 12px;
            padding: 8px 16px;
        }

        .card {
            padding: 15px;
        }

        .card h3 {
            font-size: 20px;
        }

        .card p {
            font-size: 14px;
        }

        .example-display h2 {
            font-size: 24px;
        }

        .example-display p, .example-display pre {
            font-size: 14px;
        }
    }

    @media (max-width: 480px) {
        .hero h1 {
            font-size: 28px;
        }

        .hero p {
            font-size: 12px;
        }

        .cta-button {
            font-size: 10px;
            padding: 6px 12px;
        }

        .card h3 {
            font-size: 18px;
        }

        .card p {
            font-size: 12px;
        }

        .example-display h2 {
            font-size: 20px;
        }

        .example-display p, .example-display pre {
            font-size: 12px;
        }
    }

    @media (max-width: 320px) {
        .navbar a {
            font-size: 12px;
        }

        .hero h1 {
            font-size: 24px;
        }

        .hero p {
            font-size: 10px;
        }

        .cta-button {
            font-size: 8px;
            padding: 4px 8px;
        }

        .card h3 {
            font-size: 16px;
        }

        .card p {
            font-size: 10px;
        }

        .example-display h2 {
            font-size: 18px;
        }

        .example-display p, .example-display pre {
            font-size: 10px;
        }
    }

    /* 图像样式 */
    .image-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 15px;
        margin: 30px 0;
    }

    .image-grid img {
        width: 100%;
        border-radius: 12px;
    }

    /* 按钮样式 */
    .button {
        background-color: #FF6F61;
        color: white;
        padding: 10px 20px;
        border: none;
        border-radius: 12px;
        transition: transform 0.3s ease, background-color 0.3s ease;
        cursor: pointer;
    }

    .button:hover {
        transform: scale(1.1);
        background-color: #FFD700;
    }

    /* 脚注样式 */
    footer {
        background: #F5F5F7;
        color: #0A1F44;
        text-align: center;
        padding: 20px;
        border-top: 1px solid #ddd;
        margin-top: 40px;
    }

    footer a {
        color: #FFD700;
        text-decoration: none;
        margin: 0 10px;
        transition: color 0.3s ease;
    }

    footer a:hover {
        color: #FF6F61;
    }

    /* 提示信息样式 */
    .notice {
        background: rgba(255, 111, 97, 0.8);
        color: #FFFFFF;
        padding: 10px 20px;
        border-radius: 12px;
        text-align: center;
        margin: 20px 0;
        font-size: 16px;
    }