/* 全局样式 */
    @import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@700&family=Roboto&display=swap');

    * {
        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, h5, h6 {
        font-family: 'Montserrat', sans-serif;
        color: #ffffff;
        margin-bottom: 20px;
    }

    h1 {
        font-size: 2.5em;
        text-align: center;
        margin-top: 20px;
    }

    h2 {
        font-size: 2em;
        margin-top: 40px;
    }

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

    h4 {
        font-size: 1.5em;
        margin-top: 25px;
    }

    p {
        font-size: 1em;
        margin-bottom: 15px;
        color: #e0e0e0;
    }

    code {
        background-color: rgba(255, 255, 255, 0.1);
        padding: 2px 4px;
        border-radius: 4px;
        font-family: 'Courier New', Courier, monospace;
    }

    pre {
        background-color: rgba(255, 255, 255, 0.05);
        padding: 15px;
        border-radius: 8px;
        overflow-x: auto;
        margin-bottom: 20px;
    }

    table {
        width: 100%;
        border-collapse: collapse;
        margin-bottom: 20px;
    }

    th, td {
        border: 1px solid #444;
        padding: 10px;
        text-align: left;
    }

    th {
        background-color: #333;
    }

    /* 导航栏样式 */
    .navbar {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 20px 40px;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 10px;
        margin-bottom: 40px;
    }

    .navbar .logo {
        font-size: 1.5em;
        color: #ffffff;
        text-decoration: none;
    }

    .navbar ul {
        list-style: none;
        display: flex;
    }

    .navbar ul li {
        margin-left: 20px;
    }

    .navbar ul li a {
        color: #ffffff;
        text-decoration: none;
        font-size: 1em;
        position: relative;
    }

    .navbar ul li a::after {
        content: '';
        position: absolute;
        width: 0%;
        height: 2px;
        background: #ff5722;
        left: 0;
        bottom: -5px;
        transition: width 0.3s;
    }

    .navbar ul li a:hover::after {
        width: 100%;
    }

    /* 按钮样式 */
    .button {
        display: inline-block;
        background: #ff5722;
        color: #ffffff;
        padding: 10px 20px;
        border-radius: 25px;
        text-decoration: none;
        transition: background 0.3s, transform 0.3s;
        position: relative;
        overflow: hidden;
    }

    .button:hover {
        background: #e64a19;
        transform: scale(1.05);
    }

    .button::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 300%;
        height: 300%;
        background: rgba(255, 255, 255, 0.2);
        transform: translate(-50%, -50%) rotate(45deg);
        transition: all 0.5s;
        opacity: 0;
    }

    .button:hover::before {
        opacity: 1;
        width: 400%;
        height: 400%;
    }

    /* 主要内容区样式 */
    .hero {
        background: radial-gradient(circle, rgba(255,87,34,1) 0%, transparent 70%);
        padding: 100px 20px;
        text-align: center;
        border-radius: 20px;
        position: relative;
        overflow: hidden;
        animation: aurora-move 15s linear infinite;
    }

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

    .hero h1 {
        font-size: 3em;
        margin-bottom: 20px;
        color: #ffffff;
    }

    .hero p {
        font-size: 1.2em;
        margin-bottom: 30px;
        color: #cccccc;
    }

    .hero .cta {
        background: linear-gradient(45deg, #ff5722, #ff9800);
        padding: 15px 30px;
        border-radius: 30px;
        color: #ffffff;
        text-decoration: none;
        font-size: 1em;
        transition: background 0.3s, transform 0.3s;
    }

    .hero .cta:hover {
        background: linear-gradient(45deg, #e64a19, #fb8c00);
        transform: scale(1.05);
    }

    /* 服务模块样式 */
    .services {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin: 50px 0;
    }

    .service-card {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 15px;
        position: relative;
        transition: transform 0.3s, background 0.3s;
    }

    .service-card:hover {
        transform: translateY(-10px);
        background: rgba(255, 255, 255, 0.2);
    }

    .service-card img {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    .service-card h3 {
        font-size: 1.5em;
        margin-bottom: 10px;
        color: #ffffff;
    }

    .service-card p {
        font-size: 1em;
        color: #e0e0e0;
    }

    /* FAQ模块样式 */
    .faq {
        margin: 50px 0;
    }

    .faq h2 {
        text-align: center;
        margin-bottom: 30px;
    }

    .faq-item {
        background: rgba(255, 255, 255, 0.1);
        padding: 20px;
        border-radius: 10px;
        margin-bottom: 15px;
    }

    .faq-item h4 {
        cursor: pointer;
        position: relative;
    }

    .faq-item h4::after {
        content: '+';
        position: absolute;
        right: 0;
        transition: transform 0.3s;
    }

    .faq-item.active h4::after {
        transform: rotate(45deg);
    }

    .faq-item p {
        display: none;
        margin-top: 10px;
        color: #cccccc;
    }

    .faq-item.active p {
        display: block;
    }

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

    .example-display h2 {
        text-align: center;
        margin-bottom: 20px;
    }

    .example-display article {
        max-height: 600px;
        overflow-y: auto;
    }

    .example-display pre {
        background: rgba(0, 0, 0, 0.8);
        color: #00ff00;
        padding: 15px;
        border-radius: 8px;
        font-size: 0.9em;
    }

    .example-display table {
        background: rgba(255, 255, 255, 0.1);
    }

    /* 底部样式 */
    .footer {
        text-align: center;
        padding: 20px;
        background: rgba(0, 0, 0, 0.5);
        border-radius: 10px;
        margin-top: 50px;
    }

    .footer p {
        color: #cccccc;
        font-size: 0.9em;
    }

    /* 响应式设计 */
    @media (max-width: 1440px) {
        body {
            padding: 30px;
        }
    }

    @media (max-width: 1200px) {
        .navbar {
            padding: 15px 30px;
        }

        .hero {
            padding: 80px 15px;
        }

        .hero h1 {
            font-size: 2.5em;
        }

        .hero p {
            font-size: 1.1em;
        }
    }

    @media (max-width: 1024px) {
        .services {
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        }

        .hero {
            padding: 60px 10px;
        }

        .hero h1 {
            font-size: 2em;
        }

        .hero p {
            font-size: 1em;
        }
    }

    @media (max-width: 768px) {
        .navbar ul {
            flex-direction: column;
            align-items: center;
        }

        .navbar ul li {
            margin: 10px 0;
        }

        .hero {
            padding: 40px 5px;
        }

        .hero h1 {
            font-size: 1.8em;
        }

        .hero p {
            font-size: 0.9em;
        }

        .services {
            grid-template-columns: 1fr;
        }
    }

    @media (max-width: 480px) {
        .navbar {
            flex-direction: column;
        }

        .navbar .logo {
            margin-bottom: 15px;
        }

        .hero {
            padding: 30px 5px;
        }

        .hero h1 {
            font-size: 1.5em;
        }

        .hero p {
            font-size: 0.8em;
        }

        .button {
            padding: 8px 16px;
            font-size: 0.9em;
        }
    }

    @media (max-width: 320px) {
        body {
            padding: 10px;
        }

        .navbar {
            padding: 10px 15px;
        }

        .hero {
            padding: 20px 5px;
        }

        .hero h1 {
            font-size: 1.2em;
        }

        .hero p {
            font-size: 0.7em;
        }

        .service-card img {
            width: 50px;
            height: 50px;
        }

        .service-card h3 {
            font-size: 1.2em;
        }

        .service-card p {
            font-size: 0.9em;
        }
    }

    /* 动态线条动画 */
    .dynamic-lines {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: transparent;
        pointer-events: none;
        z-index: 1;
    }

    .dynamic-lines::before, .dynamic-lines::after {
        content: '';
        position: absolute;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle, rgba(255,255,255,0.1) 1%, transparent 70%);
        animation: rotate 20s linear infinite;
    }

    .dynamic-lines::after {
        animation-direction: reverse;
    }

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

    /* 图标样式 */
    .icon {
        width: 60px;
        height: 60px;
        margin-bottom: 15px;
    }

    /* 链接样式 */
    a {
        color: #00e676;
        text-decoration: none;
        transition: color 0.3s;
    }

    a:hover {
        color: #00bfa5;
    }

    /* 图片样式 */
    .images-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 10px;
        margin: 20px 0;
    }

    .images-grid img {
        width: 100%;
        height: auto;
        border-radius: 10px;
    }

    /* 文本提示样式 */
    .reference-note {
        text-align: center;
        font-size: 1em;
        color: #ffeb3b;
        margin-top: 40px;
    }