/* 艳色潮流风 核心变量与重置 */
        :root {
            --primary-gradient: linear-gradient(135deg, #ff007f 0%, #7928ca 50%, #00dfd8 100%);
            --accent-pink: #ff007f;
            --accent-purple: #7928ca;
            --accent-teal: #00dfd8;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #475569;
            --border-color: #e2e8f0;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 10px 30px rgba(121, 40, 202, 0.08);
            --shadow-lg: 0 20px 40px rgba(255, 0, 127, 0.12);
            --radius-lg: 16px;
            --radius-md: 12px;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font-main);
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 统一页面容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 统一标题样式 */
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 50px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
            background-color: var(--bg-white);
        }

        section:nth-child(even) {
            background-color: var(--bg-light);
        }

        /* 按钮潮流样式 */
        .btn-gradient {
            background: var(--primary-gradient);
            color: #ffffff !important;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            box-shadow: var(--shadow-md);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline {
            border: 2px solid var(--accent-purple);
            color: var(--accent-purple);
            padding: 12px 30px;
            border-radius: 50px;
            font-weight: 700;
            background: transparent;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .btn-outline:hover {
            background: var(--accent-purple);
            color: #ffffff !important;
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
        }

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

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

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

        .brand-name {
            font-size: 1.4rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            padding: 6px 12px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--accent-pink);
            background: rgba(255, 0, 127, 0.05);
        }

        .menu-toggle {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--text-dark);
        }

        /* 首页 (Hero 首屏 - 纯代码，无图片) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 223, 216, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 0, 127, 0.08) 0%, transparent 50%),
                        var(--bg-white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-badge {
            background: rgba(255, 0, 127, 0.1);
            color: var(--accent-pink);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 0, 127, 0.2);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 24px;
            color: var(--text-dark);
        }

        .hero-title span {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
            line-height: 1.8;
        }

        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
            padding: 30px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .stat-item h3 {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
        }

        .stat-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 关于我们 & 软件介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .about-p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .feature-bullets {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 30px;
        }

        .feature-bullets li {
            position: relative;
            padding-left: 28px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .feature-bullets li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: -2px;
            width: 20px;
            height: 20px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: bold;
        }

        .about-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid var(--bg-white);
        }

        /* 全平台AIGC服务体系 */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
            gap: 16px;
            margin-top: 40px;
        }

        .platform-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: var(--radius-md);
            text-align: center;
            font-weight: 700;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

        .platform-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent-pink);
            box-shadow: var(--shadow-md);
            color: var(--accent-pink);
        }

        /* 全自动AIGC制作流程 & 标准化服务流程 */
        .workflow-timeline {
            position: relative;
            max-width: 900px;
            margin: 40px auto 0 auto;
        }

        .workflow-timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 4px;
            background: var(--primary-gradient);
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 20px 40px;
            box-sizing: border-box;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            top: 25px;
            right: -10px;
            width: 20px;
            height: 20px;
            background: var(--bg-white);
            border: 4px solid var(--accent-purple);
            border-radius: 50%;
            z-index: 1;
            transition: all 0.3s ease;
        }

        .timeline-item:nth-child(even)::after {
            left: -10px;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-content {
            background: var(--bg-white);
            padding: 24px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .timeline-item:hover .timeline-content {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-teal);
        }

        .timeline-item:hover::after {
            background: var(--accent-teal);
            transform: scale(1.2);
        }

        .timeline-num {
            font-size: 2rem;
            font-weight: 900;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
            display: inline-block;
        }

        .timeline-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .timeline-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 35px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

        .solution-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 6px;
            height: 100%;
            background: var(--primary-gradient);
        }

        .solution-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(255, 0, 127, 0.3);
        }

        .solution-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(121, 40, 202, 0.1);
            color: var(--accent-purple);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 24px;
            font-weight: 800;
        }

        .solution-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .solution-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 全国服务网络 */
        .network-section {
            background: radial-gradient(circle at center, rgba(121, 40, 202, 0.05) 0%, var(--bg-white) 70%);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .network-map-placeholder {
            background: #ffffff;
            border: 1px dashed var(--accent-purple);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }

        .network-dots {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 15px;
            margin-top: 24px;
        }

        .network-dot {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-dark);
            transition: all 0.3s ease;
        }

        .network-dot:hover {
            background: var(--primary-gradient);
            color: #ffffff;
            border-color: transparent;
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background-color: #fafafa;
            font-weight: 800;
            color: var(--text-dark);
        }

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

        .comparison-table td strong {
            color: var(--accent-pink);
        }

        .comparison-badge {
            background: var(--primary-gradient);
            color: #fff;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .rating-box {
            background: var(--primary-gradient);
            color: #fff;
            padding: 30px;
            border-radius: var(--radius-lg);
            text-align: center;
            margin-top: 30px;
            box-shadow: var(--shadow-md);
        }

        .rating-box h3 {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 8px;
        }

        .rating-box p {
            font-size: 1.1rem;
            opacity: 0.9;
        }

        /* Token 比价参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .price-card {
            background: var(--bg-white);
            border: 2px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .price-card.featured {
            border-color: var(--accent-pink);
            transform: scale(1.05);
            box-shadow: var(--shadow-lg);
        }

        .price-card.featured::after {
            content: '全网最低';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-pink);
            color: #fff;
            padding: 4px 14px;
            font-size: 0.75rem;
            font-weight: 800;
            border-radius: 50px;
            text-transform: uppercase;
        }

        .price-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .price-num span {
            font-size: 1rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .price-list {
            list-style: none;
            margin: 24px 0;
            text-align: left;
        }

        .price-list li {
            padding: 8px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 0.9rem;
            color: var(--text-muted);
            display: flex;
            justify-content: space-between;
        }

        /* 案例展示 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

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

        .case-image-wrapper {
            position: relative;
            overflow: hidden;
            background: #eaeaea;
        }

        .case-image-wrapper img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 培训板块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .training-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-gradient);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.8rem;
            font-weight: bold;
            flex-shrink: 0;
        }

        .training-info h4 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .training-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .cert-badge {
            background: #fff9e6;
            color: #b27b00;
            border: 1px solid #ffe8b3;
            padding: 4px 10px;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 4px;
            display: inline-block;
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }

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

        .comment-text::before {
            content: "“";
            font-size: 3rem;
            color: rgba(255, 0, 127, 0.1);
            position: absolute;
            top: -20px;
            left: -10px;
        }

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

        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--primary-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .user-info h5 {
            font-size: 0.95rem;
            font-weight: 800;
        }

        .user-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 常见问题 FAQ & 自助排查 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            transition: background 0.3s ease;
        }

        .faq-question:hover {
            background: rgba(121, 40, 202, 0.02);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 0px solid transparent;
        }

        .faq-item.active .faq-answer {
            padding: 18px 24px;
            max-height: 300px;
            border-top: 1px solid var(--border-color);
        }

        .faq-icon {
            transition: transform 0.3s ease;
            font-weight: bold;
        }

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

        /* 术语云 & 标签云 */
        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            transition: all 0.3s ease;
        }

        .tag-item:hover {
            border-color: var(--accent-pink);
            color: var(--accent-pink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* 资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent-teal);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-card h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-link {
            color: var(--accent-purple);
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 联系我们 & 表单 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info {
            background: var(--bg-white);
            padding: 40px;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

        .contact-item {
            margin-bottom: 24px;
        }

        .contact-item h4 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .contact-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .kefu-qrcode {
            margin-top: 20px;
            border: 1px solid var(--border-color);
            padding: 10px;
            border-radius: var(--radius-md);
            width: 140px;
            background: #fff;
        }

        .kefu-qrcode img {
            width: 100%;
            height: auto;
        }

        .contact-form {
            background: var(--bg-white);
            padding: 40px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-group label {
            display: block;
            margin-bottom: 6px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            color: var(--text-dark);
            transition: all 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--accent-purple);
            box-shadow: 0 0 0 3px rgba(121, 40, 202, 0.1);
        }

        textarea.form-control {
            resize: vertical;
            height: 100px;
        }

        /* 友情链接与页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

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

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

        .footer-title {
            color: #ffffff;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

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

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

        .footer-links a:hover {
            color: #ffffff;
        }

        .friend-links-wrapper {
            margin-bottom: 20px;
        }

        .friend-links-wrapper a {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 10px;
            color: #94a3b8;
        }

        .friend-links-wrapper a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* 侧边悬停客服 */
        .sticky-kefu {
            position: fixed;
            right: 20px;
            bottom: 80px;
            z-index: 999;
            background: var(--bg-white);
            box-shadow: var(--shadow-lg);
            border-radius: 50%;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 2px solid var(--accent-pink);
            transition: all 0.3s ease;
        }

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

        .sticky-kefu svg {
            width: 24px;
            height: 24px;
            fill: var(--accent-pink);
        }

        .sticky-kefu-panel {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 20px;
            width: 220px;
            display: none;
            text-align: center;
        }

        .sticky-kefu-panel.active {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .hero-title { font-size: 2.6rem; }
            .about-grid, .network-grid, .contact-grid { grid-template-columns: 1fr; }
            .solutions-grid, .cases-grid, .comments-grid, .news-grid { grid-template-columns: 1fr 1fr; }
            .hero-stats { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .price-grid { grid-template-columns: 1fr; }
            .price-card.featured { transform: none; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #ffffff;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active { display: flex; }
            .menu-toggle { display: block; }
            .hero-title { font-size: 2rem; }
            .hero-stats { grid-template-columns: 1fr; }
            .workflow-timeline::before { left: 20px; }
            .timeline-item { width: 100%; padding: 10px 0 10px 40px; text-align: left !important; }
            .timeline-item::after { left: 10px !important; }
            .timeline-item:nth-child(even) { left: 0; }
            .solutions-grid, .cases-grid, .comments-grid, .news-grid, .training-grid { grid-template-columns: 1fr; }
            .form-row { grid-template-columns: 1fr; }
            .form-group.full-width { grid-column: span 1; }
        }