/* 全局样式 */
    body {
        margin: 0;
        padding: 0;
        font-family: 'Montserrat', sans-serif;
        line-height: 1.6;
        background: linear-gradient(135deg, #0A2463, #5B21B6);
        color: #ffffff;
        overflow-x: hidden;
    }

    a {
        color: #FFA726;
        text-decoration: none;
        transition: color 0.3s ease;
    }

    a:hover {
        color: #ffd95b;
    }

    /* 头部样式 */
    .header {
        position: relative;
        width: 100%;
        height: 100vh;
        background: radial-gradient(circle, rgba(10, 36, 99, 0.8), transparent);
        display: flex;
        justify-content: center;
        align-items: center;
        animation: aurora-move 15s linear infinite;
    }

    .header::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background-image: url('https://images.gptkong.com/demo/sample1.png');
        background-size: cover;
        background-position: center;
        opacity: 0.3;
    }

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

    .header-content h1 {
        font-size: 3rem;
        margin-bottom: 20px;
        background: linear-gradient(90deg, #FFA726, #ffd95b);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .header-content p {
        font-size: 1.2rem;
        margin-bottom: 30px;
    }

    .header-content .start-button {
        padding: 15px 30px;
        background-color: #FFA726;
        border: none;
        border-radius: 50px;
        font-size: 1rem;
        cursor: pointer;
        transition: background-color 0.3s ease, transform 0.3s ease;
        position: relative;
        overflow: hidden;
    }

    .header-content .start-button::after {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 300%;
        height: 300%;
        background: rgba(255, 167, 38, 0.5);
        transform: translate(-50%, -50%) scale(0);
        transition: transform 0.5s ease;
    }

    .header-content .start-button:hover::after {
        transform: translate(-50%, -50%) scale(1);
    }

    .header-content .start-button:hover {
        background-color: #ffd95b;
        transform: scale(1.05);
    }

    /* 选项卡布局 */
    .tabs {
        width: 90%;
        max-width: 1200px;
        margin: -100px auto 50px;
        background-color: rgba(255, 255, 255, 0.1);
        border-radius: 10px;
        overflow: hidden;
    }

    .tab-header {
        display: flex;
        justify-content: space-around;
        background-color: #5B21B6;
    }

    .tab-header button {
        flex: 1;
        padding: 15px 0;
        background: none;
        border: none;
        color: #ffffff;
        font-size: 1rem;
        cursor: pointer;
        transition: background-color 0.3s ease;
    }

    .tab-header button.active {
        background-color: #FFA726;
        color: #0A2463;
    }

    .tab-content {
        display: none;
        padding: 20px;
        animation: fadeIn 0.5s ease-in-out;
    }

    .tab-content.active {
        display: block;
    }

    /* 动画效果 */
    @keyframes aurora-move {
        0% { background-position: 0% 50%; }
        50% { background-position: 100% 50%; }
        100% { background-position: 0% 50%; }
    }

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

    /* 内容样式 */
    .content-section {
        width: 90%;
        max-width: 1200px;
        margin: 50px auto;
        background-color: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
    }

    .content-section h2 {
        font-size: 2rem;
        margin-bottom: 20px;
        text-align: center;
        color: #FFA726;
    }

    .content-section p {
        font-size: 1rem;
        margin-bottom: 15px;
        line-height: 1.8;
    }

    .content-section pre {
        background-color: rgba(10, 36, 99, 0.8);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #ffffff;
        font-family: 'Courier New', Courier, monospace;
    }

    .content-section code {
        color: #FFA726;
    }

    /* 图文并茂 */
    .image-gallery {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
        margin-top: 20px;
    }

    .image-gallery img {
        width: 100%;
        max-width: 320px;
        border-radius: 5px;
    }

    /* 示例展示样式 */
    .sample-display {
        width: 90%;
        max-width: 1200px;
        margin: 50px auto;
        background-color: rgba(255, 255, 255, 0.1);
        padding: 30px;
        border-radius: 10px;
    }

    .sample-display h2 {
        font-size: 2rem;
        margin-bottom: 20px;
        text-align: center;
        color: #FFA726;
    }

    .sample-display article {
        font-size: 1rem;
        line-height: 1.8;
    }

    .sample-display pre {
        background-color: rgba(10, 36, 99, 0.8);
        padding: 15px;
        border-radius: 5px;
        overflow-x: auto;
        color: #ffffff;
        font-family: 'Courier New', Courier, monospace;
        margin-bottom: 15px;
    }

    .sample-display code {
        color: #FFA726;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        .header-content h1 {
            font-size: 2.5rem;
        }
    }

    @media (max-width: 1200px) {
        .tabs {
            margin: -80px auto 40px;
        }

        .content-section, .sample-display {
            padding: 20px;
        }
    }

    @media (max-width: 1024px) {
        .header-content h1 {
            font-size: 2rem;
        }

        .tab-header button {
            font-size: 0.9rem;
            padding: 10px 0;
        }
    }

    @media (max-width: 768px) {
        .tab-header {
            flex-direction: column;
        }

        .tab-header button {
            width: 100%;
            text-align: center;
            padding: 10px 0;
        }

        .header-content h1 {
            font-size: 1.5rem;
        }

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

    @media (max-width: 480px) {
        .header-content h1 {
            font-size: 1.2rem;
        }

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

        .tab-content {
            padding: 15px;
        }
    }

    @media (max-width: 320px) {
        .header-content h1 {
            font-size: 1rem;
        }

        .header-content p {
            font-size: 0.8rem;
        }

        .tab-header button {
            font-size: 0.8rem;
            padding: 8px 0;
        }
    }