:root {
            --primary: #0052ff;
            --secondary: #ff5e00;
            --dark: #0f172a;
            --light: #f8fafc;
            --white: #ffffff;
            --gray: #64748b;
            --border: #e2e8f0;
            --accent: #ffd600;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--dark);
            background-color: var(--white);
        }

        body {
            line-height: 1.6;
        }

        /* 统一容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }

        /* 导航 */
        header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo-area img {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 1px;
        }

        nav {
            display: flex;
            gap: 20px;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--dark);
            padding: 5px 0;
            border-bottom: 2px solid transparent;
        }

        .nav-link:hover {
            color: var(--primary);
            border-bottom-color: var(--primary);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.2s ease;
            border: none;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .btn-primary:hover {
            background: #0043d0;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(0, 82, 255, 0.2);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary);
            color: var(--white);
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 首屏 Hero - 无图片，明艳撞色风 */
        .hero {
            position: relative;
            background: linear-gradient(135deg, #0052ff 0%, #001f66 100%);
            color: var(--white);
            padding: 120px 0 100px 0;
            overflow: hidden;
        }

        /* 撞色装饰几何块 */
        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            right: -10%;
            width: 400px;
            height: 400px;
            background: var(--secondary);
            border-radius: 50%;
            filter: blur(100px);
            opacity: 0.4;
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -10%;
            left: -5%;
            width: 300px;
            height: 300px;
            background: var(--accent);
            border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
            filter: blur(80px);
            opacity: 0.3;
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-block;
            background: var(--accent);
            color: var(--dark);
            font-size: 0.85rem;
            font-weight: 800;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 25px;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 4px 10px rgba(255, 214, 0, 0.3);
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 25px;
        }

        .hero-title span {
            color: var(--accent);
        }

        .hero-desc {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-btn-primary {
            background: var(--accent);
            color: var(--dark);
            font-size: 1.1rem;
            padding: 14px 35px;
            border-radius: 8px;
            font-weight: 700;
        }

        .hero-btn-primary:hover {
            background: #e5b200;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 214, 0, 0.4);
        }

        .hero-btn-outline {
            border: 2px solid var(--white);
            color: var(--white);
            font-size: 1.1rem;
            padding: 12px 35px;
            border-radius: 8px;
            font-weight: 700;
        }

        .hero-btn-outline:hover {
            background: var(--white);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* 通用区块样式 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border);
        }

        .section-light {
            background: var(--light);
        }

        .section-header {
            text-align: center;
            max-width: 750px;
            margin: 0 auto 60px auto;
        }

        .section-tag {
            color: var(--primary);
            font-size: 0.9rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 10px;
            display: block;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .section-desc {
            color: var(--gray);
            font-size: 1rem;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stats-card {
            background: var(--white);
            padding: 30px 20px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            text-align: center;
            border: 1px solid var(--border);
            border-top: 4px solid var(--primary);
            transition: transform 0.3s ease;
        }

        .stats-card:hover {
            transform: translateY(-5px);
        }

        .stats-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stats-label {
            font-size: 0.95rem;
            color: var(--gray);
            font-weight: 500;
        }

        /* 关于我们与软件介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .about-text {
            color: var(--gray);
            margin-bottom: 25px;
            font-size: 1.05rem;
        }

        .features-list {
            list-style: none;
        }

        .features-list li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
        }

        .features-list li::before {
            content: "✓";
            color: var(--secondary);
            font-weight: bold;
            font-size: 1.2rem;
        }

        .about-image-wrapper {
            position: relative;
        }

        .about-image-wrapper img {
            width: 100%;
            border-radius: 12px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.1);
        }

        /* 服务与制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 35px 25px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0, 82, 255, 0.08);
            border-color: var(--primary);
        }

        .service-icon {
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-desc {
            color: var(--gray);
            font-size: 0.95rem;
        }

        /* AIGC自动化流程 - 步骤式 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            position: relative;
            padding: 20px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            text-align: center;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 15px auto;
        }

        .step-title {
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-desc {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 技术标准 */
        .tech-box {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 40px;
            margin-top: 30px;
        }

        .tech-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .tech-item h4 {
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        .tech-item p {
            font-size: 0.9rem;
            color: var(--gray);
        }

        /* 案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .case-card {
            background: var(--white);
            border-radius: 8px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }

        .case-image {
            height: 180px;
            background: #e2e8f0;
            overflow: hidden;
        }

        .case-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 15px;
        }

        .case-tag {
            font-size: 0.75rem;
            background: var(--light);
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: bold;
        }

        .case-title {
            font-weight: 700;
            font-size: 1rem;
            margin-top: 10px;
        }

        /* 对比评测 - 明艳撞色风格 */
        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 40px;
            background: linear-gradient(90deg, var(--dark) 0%, #1e293b 100%);
            color: var(--white);
            padding: 40px;
            border-radius: 12px;
            margin-bottom: 40px;
        }

        .rating-score {
            text-align: center;
        }

        .rating-score h2 {
            font-size: 4rem;
            color: var(--accent);
            line-height: 1;
        }

        .rating-stars {
            color: var(--accent);
            font-size: 1.5rem;
            margin-top: 5px;
        }

        .rating-text h3 {
            font-size: 1.5rem;
            margin-bottom: 5px;
        }

        .rating-text p {
            color: var(--gray);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        table {
            width: 100%;
            border-collapse: collapse;
            background: var(--white);
            text-align: left;
        }

        th, td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border);
        }

        th {
            background: var(--light);
            font-weight: 700;
        }

        tr:last-child td {
            border-bottom: none;
        }

        .highlight-cell {
            background: rgba(0, 82, 255, 0.03);
            font-weight: bold;
            color: var(--primary);
        }

        /* Token 比价 */
        .token-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 30px;
            justify-content: center;
        }

        .token-tag {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 8px 15px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.3s;
        }

        .token-tag.hot {
            border-color: var(--secondary);
            color: var(--secondary);
            font-weight: bold;
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .token-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
        }

        .token-name {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
        }

        /* 培训版块 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .train-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 25px;
            transition: 0.3s;
        }

        .train-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
        }

        .train-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        .train-desc {
            font-size: 0.9rem;
            color: var(--gray);
            margin-bottom: 15px;
        }

        .train-meta {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: bold;
        }

        /* 常见用户问题 FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 20px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

        .faq-item.active .faq-question::after {
            content: '-';
            transform: rotate(90deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            color: var(--gray);
            font-size: 0.95rem;
            margin-top: 0;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            margin-top: 15px;
        }

        /* 自助排查 & 术语百科 */
        .support-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .support-panel {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 12px;
        }

        .support-panel h3 {
            margin-bottom: 20px;
            font-size: 1.3rem;
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
            display: inline-block;
        }

        .support-links {
            list-style: none;
        }

        .support-links li {
            margin-bottom: 15px;
        }

        .support-links a {
            display: flex;
            justify-content: space-between;
            color: var(--dark);
            font-weight: 500;
        }

        .support-links a:hover {
            color: var(--primary);
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .comment-card {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 25px;
            border-radius: 12px;
            position: relative;
        }

        .comment-text {
            font-style: italic;
            color: var(--gray);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .author-info h4 {
            font-size: 0.9rem;
            font-weight: 700;
        }

        .author-info p {
            font-size: 0.8rem;
            color: var(--gray);
        }

        /* 文章列表 */
        .articles-list-wrapper {
            max-width: 800px;
            margin: 0 auto;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 20px;
        }

        .article-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
            border-bottom: 1px solid var(--border);
        }

        .article-item:last-child {
            border-bottom: none;
        }

        .article-title {
            font-weight: 600;
            color: var(--dark);
        }

        .article-title:hover {
            color: var(--primary);
        }

        .article-date {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 需求匹配与联系我们（表单） */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .form-card {
            background: var(--white);
            border: 1px solid var(--border);
            padding: 40px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        input, select, textarea {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 0.95rem;
            outline: none;
            transition: border 0.3s;
        }

        input:focus, select:focus, textarea:focus {
            border-color: var(--primary);
        }

        textarea {
            resize: vertical;
            min-height: 120px;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-card {
            background: var(--light);
            padding: 30px;
            border-radius: 12px;
            margin-bottom: 30px;
        }

        .info-item {
            margin-bottom: 20px;
        }

        .info-item:last-child {
            margin-bottom: 0;
        }

        .info-label {
            font-size: 0.8rem;
            color: var(--gray);
            text-transform: uppercase;
            font-weight: 700;
        }

        .info-val {
            font-size: 1.1rem;
            font-weight: 700;
            margin-top: 5px;
        }

        .qrcode-box {
            text-align: center;
            background: var(--white);
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        .qrcode-box img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }

        /* 友情链接与页脚 */
        .footer-links-section {
            background: #1e293b;
            color: #94a3b8;
            padding: 40px 0;
            border-bottom: 1px solid #334155;
        }

        .footer-links-title {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .footer-links-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 15px 30px;
        }

        .footer-links-wrapper a {
            color: #94a3b8;
            font-size: 0.9rem;
        }

        .footer-links-wrapper a:hover {
            color: var(--white);
        }

        footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-desc {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-title {
            color: var(--white);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-menu {
            list-style: none;
        }

        .footer-menu li {
            margin-bottom: 10px;
        }

        .footer-menu a {
            font-size: 0.9rem;
        }

        .footer-menu a:hover {
            color: var(--white);
        }

        .copyright-bar {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid #334155;
            font-size: 0.85rem;
        }

        /* 侧边悬浮与返回顶部 */
        .floating-action {
            position: fixed;
            right: 20px;
            bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            border: 1px solid var(--border);
            position: relative;
        }

        .float-btn:hover {
            background: var(--primary);
            color: var(--white);
        }

        .float-btn-primary {
            background: var(--primary);
            color: var(--white);
        }

        .float-btn-primary:hover {
            background: #0043d0;
        }

        /* 浮动二维码展示 */
        .float-qrcode-pop {
            display: none;
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            text-align: center;
            width: 180px;
        }

        .float-qrcode-pop img {
            width: 150px;
            height: 150px;
        }

        .float-qrcode-pop p {
            color: var(--dark);
            font-size: 0.8rem;
            margin-top: 8px;
            font-weight: bold;
        }

        .float-btn-kefu:hover .float-qrcode-pop {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .train-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-actions, nav {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            /* 移动端菜单激活样式 */
            .nav-wrapper.active {
                flex-wrap: wrap;
            }

            .nav-wrapper.active nav {
                display: flex;
                flex-direction: column;
                width: 100%;
                padding: 20px 0;
                gap: 15px;
                border-top: 1px solid var(--border);
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .steps-container {
                grid-template-columns: 1fr;
            }

            .tech-list {
                grid-template-columns: 1fr;
            }

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

            .train-grid, .comments-grid {
                grid-template-columns: 1fr;
            }

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

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