/* CSS Reset & Variable Setup (缤纷糖果亮色风) */
        :root {
            --primary: #ff5e97; /* 糖果粉 */
            --secondary: #4ea5ff; /* 糖果蓝 */
            --accent: #ffb938; /* 暖阳黄 */
            --mint: #2bd9a5; /* 薄荷绿 */
            --dark: #2d3748; /* 深灰正文 */
            --heading: #1a202c; /* 深蓝黑标题 */
            --bg-global: linear-gradient(135deg, #fff5f8 0%, #f0f7ff 50%, #f4f0fa 100%);
            --card-bg: rgba(255, 255, 255, 0.9);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
        }

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

        /* 统一容器样式 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        section {
            padding: 80px 0;
            position: relative;
        }

        /* 标题规范 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--heading);
            margin-bottom: 15px;
            font-weight: 800;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -6px;
            left: 20%;
            right: 20%;
            height: 5px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 10px;
        }

        .section-header p {
            color: #718096;
            font-size: 1.1rem;
        }

        /* 按钮通用 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
            border: none;
            outline: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), #ff7fa9);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255, 94, 151, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(255, 94, 151, 0.4);
        }

        .btn-secondary {
            background: linear-gradient(135deg, var(--secondary), #74b9ff);
            color: #fff;
            box-shadow: 0 6px 20px rgba(78, 165, 255, 0.3);
        }

        .btn-secondary:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(78, 165, 255, 0.4);
        }

        /* 顶部导航 */
        header {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.4);
        }

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

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

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.4rem;
            background: linear-gradient(95deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 15px;
        }

        .nav-item a {
            color: var(--dark);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 20px;
            transition: var(--transition);
        }

        .nav-item a:hover {
            background: rgba(78, 165, 255, 0.1);
            color: var(--secondary);
        }

        .nav-btn-group {
            display: flex;
            align-items: center;
            gap: 10px;
        }

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

        .hamburger span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 3px;
            transition: var(--transition);
        }

        /* 1. Hero 首页（首屏无图，纯CSS缤纷背景） */
        .hero-section {
            padding-top: 140px;
            padding-bottom: 100px;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: radial-gradient(circle at 10% 20%, rgba(255, 94, 151, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at 90% 80%, rgba(78, 165, 255, 0.1) 0%, transparent 50%);
        }

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

        .hero-content h1 {
            font-size: 2.8rem;
            color: var(--heading);
            line-height: 1.25;
            margin-bottom: 20px;
            font-weight: 900;
        }

        .hero-content h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-content p {
            font-size: 1.2rem;
            color: #4a5568;
            margin-bottom: 30px;
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 35px;
        }

        .hero-tag {
            background: #fff;
            border: 1.5px solid rgba(78, 165, 255, 0.2);
            color: var(--secondary);
            padding: 6px 15px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 700;
        }

        .hero-actions {
            display: flex;
            gap: 15px;
            flex-wrap: wrap;
        }

        /* 纯CSS视觉卡片，取代首屏图 */
        .hero-visual-card {
            background: var(--card-bg);
            border-radius: 24px;
            padding: 30px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.05), 
                        inset 0 0 0 1px rgba(255,255,255,0.6);
            border-left: 6px solid var(--primary);
            position: relative;
            overflow: hidden;
            animation: floatAnim 6s ease-in-out infinite;
        }

        @keyframes floatAnim {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

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

        .dot-group {
            display: flex;
            gap: 6px;
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .dot-1 { background-color: var(--primary); }
        .dot-2 { background-color: var(--secondary); }
        .dot-3 { background-color: var(--accent); }

        .visual-badge {
            background: rgba(43, 217, 165, 0.15);
            color: #1b8565;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .visual-body {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .visual-bar {
            height: 10px;
            border-radius: 5px;
            background: #edf2f7;
            position: relative;
            overflow: hidden;
        }

        .visual-bar::after {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            border-radius: 5px;
            background: linear-gradient(90deg, var(--secondary), var(--mint));
            animation: progress 2.5s infinite;
        }

        .bar-1::after { width: 85%; }
        .bar-2::after { width: 60%; }
        .bar-3::after { width: 75%; }

        @keyframes progress {
            0% { transform: translateX(-100%); }
            100% { transform: translateX(0); }
        }

        /* 3. 数据指标卡片 (及加盟代理被动收入) */
        .stat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }

        .stat-card {
            background: #fff;
            padding: 30px 20px;
            border-radius: 20px;
            text-align: center;
            box-shadow: 0 10px 25px rgba(0,0,0,0.03);
            border-bottom: 4px solid var(--secondary);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.07);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--heading);
            margin-bottom: 5px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.95rem;
            color: #718096;
            font-weight: 600;
        }

        /* 2. 关于我们 */
        .about-section {
            background: rgba(255,255,255,0.6);
        }

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

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

        .about-text p {
            color: #4a5568;
            margin-bottom: 15px;
        }

        .about-badge-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 25px;
        }

        .about-badge-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: #fff;
            padding: 12px;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .about-badge-icon {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(78, 165, 255, 0.1);
            color: var(--secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        /* 3/4. 全平台AIGC服务 & 一站式制作 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: #fff;
            padding: 35px 25px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .service-card:hover {
            border-color: rgba(255, 94, 151, 0.2);
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(255, 94, 151, 0.08);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            background: linear-gradient(135deg, rgba(255, 94, 151, 0.1), rgba(78, 165, 255, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: bold;
        }

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

        .service-card p {
            color: #718096;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

        .model-list-wrapper {
            margin-top: 50px;
            padding: 30px;
            background: rgba(255,255,255,0.7);
            border-radius: 20px;
            border: 1px dashed rgba(78, 165, 255, 0.3);
        }

        .model-list-wrapper h4 {
            text-align: center;
            margin-bottom: 20px;
            color: var(--heading);
        }

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

        .model-item-tag {
            background: #fff;
            padding: 6px 14px;
            border-radius: 15px;
            font-size: 0.85rem;
            color: #4a5568;
            font-weight: 600;
            box-shadow: 0 2px 6px rgba(0,0,0,0.03);
            border: 1px solid #edf2f7;
        }

        /* 5/6. 全行业解决方案 & 全国服务网络 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .solution-card {
            background: #fff;
            padding: 25px;
            border-radius: 18px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .solution-card:hover {
            box-shadow: 0 15px 30px rgba(78, 165, 255, 0.1);
            transform: scale(1.02);
        }

        .solution-card h3 {
            font-size: 1.2rem;
            color: var(--secondary);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .solution-card p {
            font-size: 0.9rem;
            color: #4a5568;
        }

        .network-section {
            background: rgba(255, 255, 255, 0.5);
            text-align: center;
        }

        .network-map-simulation {
            max-width: 800px;
            margin: 0 auto;
            padding: 40px;
            background: #fff;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
        }

        .network-node {
            background: #f0f7ff;
            color: var(--secondary);
            font-weight: 700;
            padding: 10px 20px;
            border-radius: 30px;
            border: 1px solid rgba(78, 165, 255, 0.2);
        }

        /* 7/8. 标准化AIGC流程 & 技术标准 */
        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
            position: relative;
        }

        .flow-step {
            background: #fff;
            padding: 25px;
            border-radius: 16px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.02);
            text-align: center;
            position: relative;
        }

        .flow-step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 15px;
            box-shadow: 0 4px 10px rgba(255, 94, 151, 0.3);
        }

        .flow-step h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--heading);
        }

        .flow-step p {
            font-size: 0.85rem;
            color: #718096;
        }

        /* 9. 客户案例中心 */
        .cases-section {
            background: #fff;
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--bg-global);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0,0,0,0.03);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
        }

        .case-img-wrap {
            height: 200px;
            overflow: hidden;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .case-info {
            padding: 25px;
        }

        .case-tag {
            background: rgba(255, 94, 151, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 1.25rem;
            color: var(--heading);
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 0.9rem;
            color: #4a5568;
        }

        /* 10. 对比评测 */
        .compare-section {
            background: rgba(255, 255, 255, 0.7);
        }

        .compare-table-wrapper {
            overflow-x: auto;
            background: #fff;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            border: 1px solid #edf2f7;
        }

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

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid #edf2f7;
        }

        .compare-table th {
            background: #f7fafc;
            color: var(--heading);
            font-weight: 800;
        }

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

        .compare-highlight {
            background: rgba(255, 94, 151, 0.03);
            font-weight: 700;
            color: var(--primary);
        }

        .rating-star {
            color: var(--accent);
            font-size: 1.2rem;
        }

        /* 11/12. 智能需求匹配与Token比价 */
        .tools-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .token-price-wrapper {
            background: #fff;
            padding: 30px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .token-price-wrapper h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--heading);
        }

        .token-table {
            width: 100%;
            border-collapse: collapse;
        }

        .token-table th, .token-table td {
            padding: 12px;
            text-align: left;
            border-bottom: 1px solid #edf2f7;
            font-size: 0.9rem;
        }

        .token-table th {
            font-weight: 700;
            color: #718096;
        }

        .token-label-min {
            background: rgba(43, 217, 165, 0.15);
            color: #1b8565;
            padding: 2px 6px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: bold;
        }

        /* 13/14. 职业技术培训 & 人工智能培训 */
        .training-section {
            background: #fff;
        }

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

        .training-card {
            background: var(--bg-global);
            padding: 25px;
            border-radius: 16px;
            border-top: 4px solid var(--accent);
            box-shadow: 0 6px 15px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 25px rgba(0,0,0,0.05);
        }

        .training-card h3 {
            font-size: 1.15rem;
            color: var(--heading);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 0.85rem;
            color: #4a5568;
            margin-bottom: 12px;
        }

        .training-badge {
            background: #fff;
            padding: 3px 8px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent);
            border: 1px solid rgba(255, 185, 56, 0.3);
            display: inline-block;
        }

        /* 15/16/17/18. FAQ / 帮助中心 / 术语 */
        .faq-section {
            background: rgba(255, 255, 255, 0.4);
        }

        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.02);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid #edf2f7;
        }

        .faq-question {
            padding: 20px;
            cursor: pointer;
            font-weight: 700;
            color: var(--heading);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: #4a5568;
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 200px;
            border-top: 1px solid #edf2f7;
        }

        .faq-icon-arrow {
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
        }

        /* 常见问题自助排查 */
        .trouble-finder {
            max-width: 800px;
            margin: 40px auto 0;
            background: #fff;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.02);
            text-align: center;
        }

        .trouble-finder h3 {
            margin-bottom: 20px;
            font-size: 1.3rem;
        }

        .trouble-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .trouble-tab {
            padding: 8px 16px;
            background: #f7fafc;
            border-radius: 30px;
            font-size: 0.9rem;
            cursor: pointer;
            border: 1px solid #e2e8f0;
            font-weight: 600;
        }

        .trouble-tab.active {
            background: var(--secondary);
            color: #fff;
            border-color: var(--secondary);
        }

        .trouble-content {
            padding: 15px;
            background: #f7fafc;
            border-radius: 12px;
            font-size: 0.9rem;
            color: #4a5568;
            text-align: left;
            display: none;
        }

        .trouble-content.active {
            display: block;
        }

        /* AI术语百科 */
        .glossary-wrapper {
            margin-top: 50px;
        }

        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 15px;
        }

        .glossary-card {
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.01);
            border-left: 4px solid var(--mint);
        }

        .glossary-card h4 {
            font-size: 1rem;
            color: var(--heading);
            margin-bottom: 5px;
        }

        .glossary-card p {
            font-size: 0.8rem;
            color: #718096;
        }

        /* 19. 行业资讯 / 知识库 */
        .news-section {
            background: #fff;
        }

        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .news-item {
            background: var(--bg-global);
            padding: 25px;
            border-radius: 16px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .news-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 25px rgba(0,0,0,0.06);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 10px;
            display: block;
        }

        .news-item h3 {
            font-size: 1.15rem;
            color: var(--heading);
            margin-bottom: 12px;
        }

        .news-item p {
            font-size: 0.9rem;
            color: #4a5568;
            margin-bottom: 15px;
        }

        .news-link {
            color: var(--secondary);
            font-weight: 700;
            text-decoration: none;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 用户评论 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
            margin-top: 40px;
        }

        .testimonial-card {
            background: #fff;
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.02);
            position: relative;
        }

        .testimonial-card::before {
            content: "“";
            position: absolute;
            top: 15px;
            left: 20px;
            font-size: 4rem;
            color: rgba(255, 94, 151, 0.1);
            font-family: serif;
            line-height: 1;
        }

        .testimonial-text {
            font-size: 0.95rem;
            color: #4a5568;
            position: relative;
            z-index: 1;
            margin-bottom: 20px;
        }

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

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-global);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            border: 2px solid var(--secondary);
        }

        .author-info h4 {
            font-size: 0.9rem;
            color: var(--heading);
        }

        .author-info p {
            font-size: 0.75rem;
            color: #718096;
        }

        /* 20/21. 联系我们 & 加盟代理 & 表单 */
        .contact-section {
            background: rgba(255,255,255,0.7);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
        }

        .form-wrapper {
            background: #fff;
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 12px 35px rgba(0,0,0,0.04);
        }

        .form-wrapper h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--heading);
        }

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

        .form-label {
            display: block;
            margin-bottom: 8px;
            font-weight: 700;
            color: #4a5568;
            font-size: 0.9rem;
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #edf2f7;
            border-radius: 12px;
            outline: none;
            font-size: 0.95rem;
            transition: var(--transition);
            background: #f7fafc;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--secondary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(78, 165, 255, 0.15);
        }

        .form-textarea {
            height: 120px;
            resize: none;
        }

        .contact-info-area {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .qr-card {
            background: #fff;
            padding: 30px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            text-align: center;
        }

        .qr-card h3 {
            margin-bottom: 15px;
            color: var(--heading);
        }

        .qr-image-wrapper {
            width: 160px;
            height: 160px;
            margin: 0 auto 15px;
            background: #edf2f7;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
            border-radius: 12px;
            border: 4px solid #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

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

        .contact-details {
            background: #fff;
            padding: 30px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .detail-item {
            display: flex;
            align-items: center;
            gap: 15px;
            font-size: 0.95rem;
        }

        .detail-icon {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 94, 151, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        /* 友情链接与页脚 */
        footer {
            background: #1a202c;
            color: #a0aec0;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
            border-bottom: 1px solid #2d3748;
            padding-bottom: 40px;
        }

        .footer-about h3, .footer-links h3 {
            color: #fff;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .footer-links-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            list-style: none;
        }

        .footer-links-list a {
            color: #a0aec0;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .friend-links-area {
            background: #2d3748;
            padding: 20px;
            border-radius: 12px;
            margin-bottom: 30px;
        }

        .friend-links-area h4 {
            color: #fff;
            margin-bottom: 10px;
            font-size: 0.95rem;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links-list a {
            color: #cbd5e0;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .friend-links-list a:hover {
            color: var(--secondary);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .ai-page-home-link {
            color: var(--secondary);
            text-decoration: none;
            font-weight: 700;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(255, 94, 151, 0.4);
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
            font-size: 0.8rem;
            font-weight: bold;
            text-align: center;
            line-height: 1.2;
            border: none;
        }

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

        .float-btn-qq {
            background: var(--secondary);
            box-shadow: 0 4px 15px rgba(78, 165, 255, 0.4);
        }

        .float-qr-hover {
            position: absolute;
            bottom: 120px;
            right: 0;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            width: 140px;
            text-align: center;
        }

        .float-qr-hover img {
            width: 100%;
            height: auto;
            border-radius: 6px;
        }

        .float-qr-hover p {
            font-size: 0.75rem;
            color: var(--dark);
            margin-top: 5px;
            font-weight: bold;
        }

        .float-btn-wx:hover + .float-qr-hover {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .hero-grid {
                grid-template-columns: 1fr;
            }
            .hero-visual-card {
                max-width: 500px;
                margin: 0 auto;
            }
            .about-content, .tools-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 50px 0;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-top: 1px solid #edf2f7;
            }
            .nav-menu.active {
                display: flex;
            }
            .hamburger {
                display: flex;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
        }