:root {
            --primary: #4f46e5;
            --primary-light: #818cf8;
            --text-dark: #1f2937;
            --text-muted: #4b5563;
            --bg-light: #f9fafb;
            --bg-white: #ffffff;
            --rainbow-1: #ff4e50;
            --rainbow-2: #f9d423;
            --rainbow-3: #2ec4b6;
            --rainbow-4: #0077b6;
            --rainbow-5: #b5179e;
            --border-color: #e5e7eb;
        }

        * {
            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(--text-dark);
            background-color: var(--bg-light);
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.3s;
        }

        a:hover {
            color: var(--primary-light);
        }

        /* 彩虹线条装饰 */
        .rainbow-bar {
            height: 5px;
            background: linear-gradient(90deg, var(--rainbow-1), var(--rainbow-2), var(--rainbow-3), var(--rainbow-4), var(--rainbow-5));
            width: 100%;
        }

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

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            background-color: var(--bg-white);
        }

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

        .section-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 15px;
            color: var(--text-dark);
            position: relative;
            display: inline-block;
            left: 50%;
            transform: translateX(-50%);
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--rainbow-1), var(--rainbow-3), var(--rainbow-5));
            border-radius: 2px;
        }

        .section-desc {
            text-align: center;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px auto;
            font-size: 1.05rem;
        }

        /* 头部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
            border-bottom: 1px solid var(--border-color);
        }

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

        .logo-box {
            display: flex;
            align-items: center;
        }

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

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

        .nav-link {
            color: var(--text-dark);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(79, 70, 229, 0.05);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--rainbow-4), var(--rainbow-5));
            color: white;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            color: white;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(181, 23, 158, 0.3);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

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

        /* 1. Hero首屏 - 严格无图，彩虹科技感 */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgba(46, 196, 182, 0.05) 0%, rgba(249, 212, 35, 0.03) 44%, rgba(255, 78, 80, 0.05) 100%), var(--bg-white);
            padding: 100px 0 80px 0;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-badge {
            display: inline-block;
            background: linear-gradient(90deg, rgba(255, 78, 80, 0.1), rgba(181, 23, 158, 0.1));
            color: var(--rainbow-5);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 25px;
            border: 1px solid rgba(181, 23, 158, 0.2);
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .hero-title span {
            background: linear-gradient(120deg, var(--rainbow-1), var(--rainbow-3), var(--rainbow-5));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .btn-main {
            background: linear-gradient(90deg, var(--rainbow-1), var(--rainbow-5));
            color: white;
            padding: 15px 35px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 10px 20px rgba(255, 78, 80, 0.2);
            transition: all 0.3s;
        }

        .btn-main:hover {
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 15px 25px rgba(255, 78, 80, 0.3);
        }

        .btn-sub {
            background: var(--bg-white);
            color: var(--text-dark);
            border: 2px solid var(--border-color);
            padding: 15px 35px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s;
        }

        .btn-sub:hover {
            border-color: var(--primary);
            background-color: rgba(79, 70, 229, 0.02);
            transform: translateY(-3px);
        }

        /* 模型标签墙 */
        .model-tags-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .model-tags-title {
            font-size: 0.9rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 20px;
        }

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

        .tag-pill {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-dark);
            font-weight: 500;
            transition: all 0.3s;
            cursor: default;
        }

        .tag-pill:hover {
            border-color: var(--primary);
            background: linear-gradient(135deg, rgba(46, 196, 182, 0.05), rgba(181, 23, 158, 0.05));
            transform: scale(1.05);
        }

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 15px;
            font-size: 1rem;
        }

        .highlight-box {
            border-left: 4px solid var(--rainbow-3);
            padding-left: 15px;
            margin: 20px 0;
            font-style: italic;
            color: var(--text-dark);
            background-color: var(--bg-light);
            padding-top: 10px;
            padding-bottom: 10px;
            border-radius: 0 8px 8px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            text-align: center;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.02);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            background: linear-gradient(45deg, var(--rainbow-4), var(--rainbow-5));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 3. 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--rainbow-1), var(--rainbow-3));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .service-link {
            font-weight: 600;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        /* 4. 一站式AIGC制作 与 横版素材 */
        .showcase-section {
            background: var(--bg-light);
        }

        .showcase-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

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

        .showcase-list {
            list-style: none;
            margin: 25px 0;
        }

        .showcase-list li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            font-size: 1rem;
            color: var(--text-muted);
        }

        .showcase-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            color: var(--rainbow-3);
            font-weight: bold;
            font-size: 1.1rem;
        }

        .showcase-images {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .showcase-images img {
            border-radius: 12px;
            width: 100%;
            box-shadow: 0 10px 20px rgba(0,0,0,0.06);
            transition: transform 0.3s;
        }

        .showcase-images img:hover {
            transform: scale(1.02);
        }

        /* 5. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 25px;
        }

        .solution-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            text-align: left;
            transition: all 0.3s;
        }

        .solution-card:hover {
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            border-color: var(--rainbow-2);
        }

        .solution-badge {
            display: inline-block;
            padding: 4px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: 4px;
            margin-bottom: 15px;
            background-color: rgba(46, 196, 182, 0.1);
            color: var(--rainbow-3);
        }

        .solution-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

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

        /* 6. 全国服务网络与价格参考 */
        .network-section {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.02), rgba(181, 23, 158, 0.02));
        }

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

        .network-info h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
        }

        .network-dots {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 25px;
        }

        .network-dot {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        .network-dot::before {
            content: '';
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--rainbow-4);
        }

        .price-list {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.03);
        }

        .price-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .price-name {
            font-weight: 500;
        }

        .price-val {
            font-weight: 700;
            color: var(--rainbow-5);
        }

        /* 7. 标准化AIGC流程 */
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

        .timeline-item {
            display: flex;
            margin-bottom: 40px;
            position: relative;
        }

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

        .timeline-badge {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--rainbow-1), var(--rainbow-2));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            z-index: 2;
            flex-shrink: 0;
        }

        .timeline-item:nth-child(2n) .timeline-badge {
            background: linear-gradient(135deg, var(--rainbow-3), var(--rainbow-4));
        }

        .timeline-item:nth-child(3n) .timeline-badge {
            background: linear-gradient(135deg, var(--rainbow-4), var(--rainbow-5));
        }

        .timeline-content {
            padding-left: 25px;
            padding-top: 5px;
        }

        .timeline-content h3 {
            font-size: 1.25rem;
            margin-bottom: 8px;
        }

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

        /* 8. 技术标准 */
        .specs-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .spec-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
        }

        .spec-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }

        .spec-item h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

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

        /* 9. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 35px;
        }

        .case-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.06);
        }

        .case-img-wrap {
            width: 100%;
            background-color: #eee;
            overflow: hidden;
        }

        .case-img-wrap img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        .case-info {
            padding: 25px;
        }

        .case-tag {
            font-size: 0.75rem;
            font-weight: 600;
            background-color: rgba(79, 70, 229, 0.1);
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .case-metric {
            font-weight: 700;
            color: var(--rainbow-1);
        }

        /* 10. 对比评测 */
        .rating-box {
            background: linear-gradient(135deg, rgba(249, 212, 35, 0.1), rgba(255, 78, 80, 0.1));
            border: 1px solid rgba(249, 212, 35, 0.3);
            border-radius: 12px;
            padding: 30px;
            display: flex;
            justify-content: space-around;
            align-items: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .rating-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 5px;
        }

        .rating-stars {
            font-size: 2.2rem;
            color: #ffb703;
        }

        .rating-score {
            font-size: 3rem;
            font-weight: 900;
            color: var(--rainbow-1);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

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

        .comparison-table th {
            background-color: var(--bg-light);
            font-weight: 700;
        }

        .comparison-table tr:hover {
            background-color: rgba(46, 196, 182, 0.02);
        }

        .comp-juxian {
            font-weight: 700;
            color: var(--primary);
            background-color: rgba(79, 70, 229, 0.02);
        }

        /* 11. 智能需求匹配与表单 */
        .form-section {
            background: linear-gradient(135deg, rgba(255,78,80,0.02), rgba(0,119,182,0.02));
        }

        .form-grid {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 50px;
            align-items: center;
        }

        .form-intro h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .form-intro p {
            color: var(--text-muted);
            margin-bottom: 25px;
        }

        .lead-form {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.04);
        }

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

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

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

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
        }

        .form-btn {
            width: 100%;
            background: linear-gradient(90deg, var(--rainbow-4), var(--rainbow-5));
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .form-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(181, 23, 158, 0.3);
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .token-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            text-align: center;
            position: relative;
        }

        .token-badge-hot {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--rainbow-1);
            color: white;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 600;
        }

        .token-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .token-price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--rainbow-4);
            margin-bottom: 15px;
        }

        .token-price span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--text-muted);
        }

        /* 13 & 14. 职业技术与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .course-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .course-card:hover {
            box-shadow: 0 12px 25px rgba(0,0,0,0.05);
            border-color: var(--rainbow-3);
        }

        .course-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .course-tag {
            background: rgba(46, 196, 182, 0.1);
            color: var(--rainbow-3);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
        }

        .course-card h3 {
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

        .course-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .course-features {
            list-style: none;
            margin-bottom: 25px;
        }

        .course-features li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .course-features li::before {
            content: '•';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 15 & 16 & 17. 帮助中心与FAQ */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: var(--bg-white);
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.3rem;
            transition: transform 0.3s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: var(--bg-light);
            border-top: 0 solid var(--border-color);
        }

        .faq-answer p {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            border-top: 1px solid var(--border-color);
        }

        /* 18. AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .glossary-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
        }

        .glossary-card h4 {
            color: var(--primary);
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .glossary-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 19. 行业资讯 / 知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .article-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .article-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .article-card-body {
            padding: 25px;
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .article-card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        /* 20 & 21. 联系我们与加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .partner-box {
            background: linear-gradient(135deg, rgba(46,196,182,0.1), rgba(0,119,182,0.1));
            padding: 40px;
            border-radius: 16px;
            border: 1px solid rgba(46,196,182,0.2);
            height: 100%;
        }

        .partner-box h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .partner-box p {
            color: var(--text-muted);
            margin-bottom: 25px;
        }

        .partner-benefits {
            list-style: none;
            margin-bottom: 30px;
        }

        .partner-benefits li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .partner-benefits li::before {
            content: '✦';
            position: absolute;
            left: 0;
            color: var(--rainbow-5);
        }

        .contact-info-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .info-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 10px;
            text-align: center;
        }

        .info-card img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            margin-top: 10px;
            border-radius: 4px;
        }

        .info-icon {
            font-size: 1.8rem;
            margin-bottom: 10px;
        }

        .info-card h4 {
            margin-bottom: 5px;
        }

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

        /* 客户评论卡片 */
        .comments-section {
            background-color: var(--bg-light);
        }

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

        .comment-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.01);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

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

        .user-avatar-placeholder {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--rainbow-3), var(--rainbow-4));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }

        .comment-user-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

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

        /* 页脚 */
        footer {
            background-color: #111827;
            color: #9ca3af;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 5px solid var(--primary);
        }

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

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

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

        .footer-col h4 {
            color: white;
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 30px;
            height: 2px;
            background: var(--rainbow-3);
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: #9ca3af;
            transition: color 0.3s;
        }

        .footer-links a:hover {
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid #1f2937;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-bottom: 10px;
            align-items: center;
        }

        .friend-links a {
            color: #6b7280;
            font-size: 0.8rem;
        }

        .friend-links a:hover {
            color: #9ca3af;
        }

        /* 浮动客服 */
        .floating-kefu {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            background: linear-gradient(135deg, var(--rainbow-4), var(--rainbow-5));
            color: white;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
            cursor: pointer;
            transition: transform 0.3s;
        }

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

        .kefu-tooltip {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--bg-white);
            color: var(--text-dark);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 15px;
            width: 220px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
        }

        .kefu-tooltip img {
            width: 120px;
            height: 120px;
            margin-top: 8px;
        }

        /* 移动端响应式优化 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                border-top: 1px solid var(--border-color);
            }

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

            .menu-toggle {
                display: flex;
            }

            .about-grid, .showcase-grid, .network-grid, .form-grid, .contact-grid, .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .showcase-images {
                flex-direction: row;
            }

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

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

        @media (max-width: 600px) {
            .showcase-images {
                flex-direction: column;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .nav-btn {
                width: 100%;
                text-align: center;
            }
        }