:root {
            --primary: #8b5cf6;
            --primary-gradient: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
            --primary-light: #f5f3ff;
            --dark: #1e1b4b;
            --text-dark: #1e293b;
            --text-muted: #64748b;
            --bg-light: #fcfbfe;
            --white: #ffffff;
            --shadow-sm: 0 2px 8px rgba(139, 92, 246, 0.05);
            --shadow-md: 0 10px 25px rgba(139, 92, 246, 0.1);
            --shadow-lg: 0 20px 40px rgba(139, 92, 246, 0.15);
            --border-radius: 12px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid rgba(139, 92, 246, 0.1);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
        }

        .nav-link {
            color: var(--dark);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            padding: 6px 12px;
            border-radius: 6px;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: var(--primary-light);
        }

        .nav-btns {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 20px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }

        .btn-outline {
            border: 1px solid var(--primary);
            color: var(--primary);
            background: transparent;
        }

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

        .btn-primary {
            background: var(--primary-gradient);
            color: var(--white);
            box-shadow: 0 4px 12px rgba(168, 85, 247, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(168, 85, 247, 0.4);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--dark);
            transition: var(--transition);
        }

        /* 页面大标题与Hero首屏 - 无图片 */
        .hero-section {
            padding: 160px 0 80px 0;
            background: radial-gradient(circle at 80% 20%, rgba(168, 85, 247, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
                        var(--white);
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            border: 1px solid rgba(139, 92, 246, 0.2);
            color: var(--primary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            animation: pulse 2s infinite;
        }

        .hero-title {
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero-subtitle {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }

        .btn-large {
            padding: 14px 32px;
            font-size: 16px;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 40px;
        }

        .stat-card {
            background-color: var(--white);
            padding: 24px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(139, 92, 246, 0.08);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 通用Section */
        section {
            padding: 80px 0;
            border-bottom: 1px solid rgba(139, 92, 246, 0.05);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: var(--primary-gradient);
            border-radius: 2px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 16px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .about-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--text-dark);
            font-weight: 500;
        }

        .about-feat-item span {
            color: var(--primary);
            font-weight: bold;
        }

        .platform-intro-box {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.03), rgba(236, 72, 153, 0.03));
            border-radius: var(--border-radius);
            padding: 32px;
            border: 1px solid rgba(139, 92, 246, 0.1);
        }

        /* 全平台AIGC服务 / 模型墙 */
        .model-list-wrapper {
            margin-top: 30px;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-tag {
            padding: 8px 16px;
            background-color: var(--white);
            border: 1px solid rgba(139, 92, 246, 0.1);
            border-radius: 50px;
            font-size: 14px;
            color: var(--text-dark);
            font-weight: 500;
            transition: var(--transition);
        }

        .model-tag:hover {
            background: var(--primary-gradient);
            color: var(--white);
            border-color: transparent;
            transform: translateY(-2px);
        }

        /* 服务能力与制作场景 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .service-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(139, 92, 246, 0.05);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(139, 92, 246, 0.2);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            background-color: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 解决方案与标准化流程 */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            position: relative;
        }

        .flow-step-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 24px;
            position: relative;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(139, 92, 246, 0.05);
        }

        .flow-step-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 40px;
            font-weight: 800;
            color: rgba(139, 92, 246, 0.1);
        }

        .flow-step-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-top: 12px;
            margin-bottom: 8px;
        }

        .flow-step-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 对比评测板块 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-md);
            background-color: var(--white);
            margin-bottom: 30px;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(139, 92, 246, 0.08);
            font-size: 14px;
        }

        .compare-table th {
            background-color: var(--primary-light);
            color: var(--dark);
            font-weight: 700;
        }

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

        .compare-table td.highlight {
            background-color: rgba(139, 92, 246, 0.02);
            font-weight: 600;
            color: var(--primary);
        }

        .rating-box {
            background: linear-gradient(135deg, #1e1b4b, #2e1065);
            color: var(--white);
            border-radius: var(--border-radius);
            padding: 40px;
            text-align: center;
            margin-top: 40px;
        }

        .rating-score {
            font-size: 64px;
            font-weight: 800;
            color: #ec4899;
            line-height: 1;
            margin-bottom: 10px;
        }

        .rating-stars {
            font-size: 24px;
            color: #fbbf24;
            margin-bottom: 12px;
        }

        /* 案例展示区域 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
            gap: 24px;
        }

        .case-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(139, 92, 246, 0.05);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .case-img-wrapper {
            width: 100%;
            height: 220px;
            overflow: hidden;
            background-color: var(--primary-light);
            position: relative;
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-img-wrapper img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .train-card {
            background: var(--white);
            border-radius: var(--border-radius);
            padding: 28px;
            border: 1px solid rgba(139, 92, 246, 0.08);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }

        .train-icon {
            font-size: 24px;
            color: var(--white);
            background: var(--primary-gradient);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .train-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .train-card p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .train-badge {
            display: inline-block;
            padding: 4px 12px;
            background-color: #f0fdf4;
            color: #16a34a;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
        }

        /* 需求匹配与价格表单 */
        .form-section-inner {
            background-color: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(139, 92, 246, 0.1);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.2fr 1fr;
        }

        .form-info-side {
            background: linear-gradient(135deg, #1e1b4b, #4338ca);
            color: var(--white);
            padding: 48px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .form-info-side h3 {
            font-size: 28px;
            margin-bottom: 16px;
        }

        .form-info-side p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 14px;
            margin-bottom: 30px;
        }

        .form-contact-list {
            list-style: none;
        }

        .form-contact-list li {
            margin-bottom: 16px;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .form-side {
            padding: 48px;
        }

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

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid rgba(139, 92, 246, 0.2);
            border-radius: 6px;
            font-size: 14px;
            background-color: var(--bg-light);
            color: var(--dark);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 24px;
        }

        .review-card {
            background-color: var(--white);
            padding: 32px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(139, 92, 246, 0.05);
        }

        .review-text {
            font-size: 14px;
            color: var(--text-muted);
            font-style: italic;
            margin-bottom: 20px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .review-avatar-text {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .review-meta h4 {
            font-size: 14px;
            color: var(--dark);
            font-weight: 600;
        }

        .review-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* FAQ折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--white);
            border-radius: var(--border-radius);
            margin-bottom: 16px;
            border: 1px solid rgba(139, 92, 246, 0.08);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: var(--primary-light);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 0px solid transparent;
        }

        .faq-item.active .faq-answer {
            padding: 20px 24px;
            max-height: 500px;
            border-top: 1px solid rgba(139, 92, 246, 0.08);
        }

        .faq-icon {
            transition: var(--transition);
        }

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

        /* 常见问题排查与术语百科 */
        .troubleshoot-box {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 32px;
            border: 1px solid rgba(139, 92, 246, 0.08);
            box-shadow: var(--shadow-sm);
        }

        .ts-interactive-area {
            margin-top: 20px;
            padding: 20px;
            background-color: var(--primary-light);
            border-radius: 8px;
        }

        .ts-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 12px;
        }

        .ts-btn {
            background-color: var(--white);
            border: 1px solid rgba(139, 92, 246, 0.2);
            padding: 8px 16px;
            border-radius: 6px;
            cursor: pointer;
            font-size: 13px;
            transition: var(--transition);
        }

        .ts-btn:hover, .ts-btn.active {
            background-color: var(--primary);
            color: var(--white);
            border-color: transparent;
        }

        .ts-result {
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px dashed rgba(139, 92, 246, 0.2);
            font-size: 14px;
            color: var(--dark);
            display: none;
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .glossary-card {
            background-color: var(--white);
            padding: 20px;
            border-radius: var(--border-radius);
            border: 1px solid rgba(139, 92, 246, 0.05);
            box-shadow: var(--shadow-sm);
        }

        .glossary-card h4 {
            color: var(--primary);
            margin-bottom: 8px;
            font-size: 16px;
        }

        .glossary-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .news-card {
            background-color: var(--white);
            border-radius: var(--border-radius);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(139, 92, 246, 0.05);
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-card h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-link {
            font-size: 14px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link:hover {
            text-decoration: underline;
        }

        /* 加盟代理与服务网络 */
        .agency-box {
            background: linear-gradient(135deg, rgba(236, 72, 153, 0.02) 0%, rgba(139, 92, 246, 0.05) 100%);
            border: 1px solid rgba(139, 92, 246, 0.1);
            border-radius: var(--border-radius);
            padding: 40px;
        }

        .agency-content {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .agency-info h3 {
            font-size: 24px;
            color: var(--dark);
            margin-bottom: 16px;
        }

        .agency-info p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 15px;
        }

        .agency-benefits {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .benefit-card {
            background-color: var(--white);
            padding: 16px;
            border-radius: 8px;
            border: 1px solid rgba(139, 92, 246, 0.05);
            box-shadow: var(--shadow-sm);
        }

        .benefit-card h4 {
            color: var(--primary);
            font-size: 14px;
            margin-bottom: 6px;
        }

        .benefit-card p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .network-section {
            background-color: var(--white);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-map {
            padding: 30px;
            border-radius: var(--border-radius);
            background: radial-gradient(circle, rgba(139, 92, 246, 0.03) 0%, rgba(139, 92, 246, 0.08) 100%);
            border: 1px dashed rgba(139, 92, 246, 0.2);
            text-align: center;
        }

        .map-dots {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-top: 16px;
            flex-wrap: wrap;
        }

        .map-dot {
            padding: 6px 12px;
            background-color: var(--white);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 500;
            box-shadow: var(--shadow-sm);
        }

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            right: 24px;
            bottom: 24px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .kefu-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-gradient);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .kefu-btn:hover {
            transform: scale(1.1);
        }

        .kefu-popover {
            position: absolute;
            bottom: 70px;
            right: 0;
            width: 220px;
            background-color: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(139, 92, 246, 0.1);
            padding: 16px;
            text-align: center;
            opacity: 0;
            pointer-events: none;
            transform: translateY(10px);
            transition: var(--transition);
        }

        .kefu-btn:hover .kefu-popover {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .kefu-popover img {
            width: 100%;
            height: auto;
            border-radius: 6px;
            margin-bottom: 8px;
        }

        .kefu-popover p {
            font-size: 12px;
            color: var(--text-dark);
            margin: 0;
        }

        .back-to-top {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--white);
            color: var(--primary);
            display: none;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid rgba(139, 92, 246, 0.1);
        }

        .back-to-top:hover {
            background-color: var(--primary-light);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: #0f0b21;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px 0;
            font-size: 14px;
            border-top: 2px solid var(--primary);
        }

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

        .footer-brand h3 {
            color: var(--white);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .footer-brand p {
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .footer-links h4 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .friend-links-area {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 24px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .friend-links-area span {
            color: var(--white);
            font-weight: 600;
        }

        .friend-links-area a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            text-align: center;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* 动画关键帧 */
        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.05); opacity: 0.9; }
            100% { transform: scale(1); opacity: 1; }
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid rgba(139, 92, 246, 0.1);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .about-grid, .form-section-inner, .agency-content, .network-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .form-info-side {
                padding: 32px;
            }

            .form-side {
                padding: 32px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 576px) {
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .btn {
                width: 100%;
            }

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

            .about-features {
                grid-template-columns: 1fr;
            }
        }