/* 基础样式复位与全局变量定义 */
        :root {
            --primary-glow: linear-gradient(135deg, #a5b4fc 0%, #f472b6 50%, #38bdf8 100%);
            --btn-glow: linear-gradient(90deg, #6366f1, #ec4899, #0ea5e9);
            --bg-main: #f8fafc;
            --bg-card: rgba(255, 255, 255, 0.85);
            --text-dark: #0f172a;
            --text-muted: #475569;
            --border-color: rgba(226, 232, 240, 0.8);
            --laser-highlight: rgba(165, 180, 252, 0.15);
            --max-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            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-main);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
            background-image: 
                radial-gradient(at 0% 0%, rgba(244, 114, 182, 0.07) 0px, transparent 50%),
                radial-gradient(at 100% 0%, rgba(56, 189, 248, 0.07) 0px, transparent 50%),
                radial-gradient(at 50% 100%, rgba(165, 180, 252, 0.05) 0px, transparent 50%);
            background-attachment: fixed;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        /* 统一容器规范 */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }

        /* 镭射标题装饰 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(135deg, #1e1b4b, #4f46e5, #0891b2);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: inline-block;
            margin-bottom: 15px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 顶部导航 */
        header.nav-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

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

        .ai-page-logo {
            height: 38px;
            width: auto;
        }

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: var(--btn-glow);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
            padding: 6px 12px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--text-dark);
            background: rgba(165, 180, 252, 0.1);
        }

        .nav-btn {
            background: var(--btn-glow);
            color: #fff !important;
            padding: 8px 20px;
            border-radius: 30px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background: var(--text-dark);
            border-radius: 3px;
        }

        /* 1. Hero 首屏 - 纯色/渐变/无图 */
        .hero-section {
            padding: 100px 0 80px 0;
            text-align: center;
            background: radial-gradient(circle at 50% 50%, rgba(224, 231, 255, 0.3) 0%, transparent 80%);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(165, 180, 252, 0.5);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #4f46e5;
            margin-bottom: 25px;
            box-shadow: 0 4px 12px rgba(165, 180, 252, 0.1);
        }

        .hero-section h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 20px;
            background: linear-gradient(135deg, #0f172a 20%, #4338ca 50%, #06b6d4 80%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .btn-primary {
            background: var(--btn-glow);
            color: #fff;
            padding: 14px 32px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 8px 25px rgba(236, 72, 153, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 30px rgba(236, 72, 153, 0.4);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-dark);
            border: 1px solid var(--border-color);
            padding: 14px 32px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 50px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }

        .btn-secondary:hover {
            background: #f8fafc;
            border-color: #cbd5e1;
            transform: translateY(-3px);
        }

        /* 1.1 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: #cbd5e1;
            box-shadow: 0 15px 35px rgba(165, 180, 252, 0.15);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #4f46e5;
            background: var(--btn-glow);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

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

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            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: 20px;
            font-size: 1.05rem;
        }

        .about-highlights {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }

        .highlight-item {
            padding: 15px;
            border-left: 4px solid #6366f1;
            background: rgba(99, 102, 241, 0.03);
            border-radius: 0 8px 8px 0;
        }

        .highlight-item h4 {
            font-size: 1rem;
            margin-bottom: 5px;
            color: var(--text-dark);
        }

        .highlight-item p {
            font-size: 0.85rem;
            margin: 0;
        }

        /* 3. 全平台 AIGC 服务 & 支持 AI 平台标签云 */
        .platform-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            margin-top: 30px;
        }

        .platform-tag {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .platform-tag:hover {
            background: var(--primary-glow);
            color: #fff;
            transform: scale(1.05);
            box-shadow: 0 8px 20px rgba(165, 180, 252, 0.3);
        }

        /* 4. 一站式 AIGC 制作 & 5. 全行业解决方案 */
        .grid-3col {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 35px 25px;
            border-radius: 20px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-glow);
            opacity: 0;
            transition: var(--transition);
        }

        .feature-card:hover {
            transform: translateY(-8px);
            border-color: rgba(165, 180, 252, 0.5);
            box-shadow: 0 20px 40px rgba(165, 180, 252, 0.12);
        }

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

        .feature-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .feature-card h3 {
            font-size: 1.35rem;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

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

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .network-node {
            background: #fff;
            padding: 15px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .network-dot {
            width: 8px;
            height: 8px;
            background-color: #22c55e;
            border-radius: 50%;
            box-shadow: 0 0 8px #22c55e;
        }

        /* 7. 标准化 AIGC 流程 */
        .timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

        .timeline-step {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 16px;
            position: relative;
            z-index: 2;
        }

        .step-num {
            font-size: 2rem;
            font-weight: 900;
            color: rgba(99, 102, 241, 0.2);
            position: absolute;
            top: 10px;
            right: 15px;
        }

        .timeline-step h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            margin-top: 10px;
            color: var(--text-dark);
        }

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

        /* 8. 技术标准 */
        .tech-standard-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .standard-card {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
        }

        .standard-card h3 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: var(--text-dark);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }

        .standard-card ul {
            list-style: none;
        }

        .standard-card li {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .standard-card li::before {
            content: "✓";
            color: #6366f1;
            font-weight: bold;
        }

        /* 9. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 30px;
        }

        .case-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
        }

        .case-img-wrap {
            width: 100%;
            height: 280px;
            overflow: hidden;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-content {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(99, 102, 241, 0.1);
            color: #6366f1;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-content h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

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

        /* 10. 对比评测 */
        .comparison-table-wrap {
            overflow-x: auto;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

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

        .comparison-table th {
            background: #f8fafc;
            color: var(--text-dark);
            font-weight: 700;
        }

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

        .rating-badge {
            background: #fef3c7;
            color: #d97706;
            padding: 4px 12px;
            border-radius: 6px;
            font-weight: 700;
            display: inline-block;
        }

        /* 11. 智能需求匹配 (表单) */
        .form-section {
            background: radial-gradient(circle at 90% 10%, rgba(244, 114, 182, 0.05) 0%, transparent 60%);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
            align-items: center;
        }

        .form-info h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

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

        .app-form {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.03);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
            background: #f8fafc;
        }

        .form-control:focus {
            outline: none;
            border-color: #6366f1;
            background: #fff;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
        }

        .form-submit-btn {
            width: 100%;
            background: var(--btn-glow);
            color: #fff;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1.05rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.2);
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.3);
        }

        /* 12. Token 比价参考 & 价格参考 */
        .token-price-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .price-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px 24px;
            text-align: center;
            position: relative;
        }

        .price-card.popular {
            border-color: #a5b4fc;
            box-shadow: 0 10px 25px rgba(165, 180, 252, 0.15);
        }

        .badge-popular {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--btn-glow);
            color: #fff;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 700;
        }

        .price-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .price-num {
            font-size: 2rem;
            font-weight: 800;
            color: #6366f1;
            margin: 15px 0;
        }

        .price-num span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .price-features {
            list-style: none;
            margin: 20px 0;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
        }

        .price-features li {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .training-info h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

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

        .course-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .course-item {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .course-details h4 {
            font-size: 1.05rem;
            color: var(--text-dark);
        }

        .course-details p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .cert-badge {
            background: rgba(34, 197, 94, 0.1);
            color: #16a34a;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        /* 15. 帮助中心 / 16. FAQ / 17. 常见问题自助排查 / 18. AI 术语百科 */
        .help-center-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 40px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 18px 24px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: "+";
            font-size: 1.3rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            background: #f8fafc;
        }

        .faq-answer p {
            padding: 18px 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-answer {
            max-height: 1000px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

        /* AI术语百科 & 常见问题自助排查 */
        .troubleshoot-box {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            height: fit-content;
        }

        .troubleshoot-box h3 {
            font-size: 1.25rem;
            margin-bottom: 20px;
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }

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

        .troubleshoot-list li {
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .troubleshoot-list strong {
            color: #6366f1;
            display: block;
            margin-bottom: 4px;
        }

        /* 19. 行业资讯 / 知识库 & 最新文章 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .news-header-meta {
            padding: 20px 20px 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-body {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-body h3 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--text-dark);
            line-height: 1.4;
        }

        .news-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .news-link {
            font-size: 0.9rem;
            font-weight: 700;
            color: #4f46e5;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-link:hover {
            color: #ec4899;
        }

        /* 客户评论卡片 */
        .comments-section {
            background: #f1f5f9;
        }

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

        .comment-card {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.01);
            position: relative;
        }

        .comment-rating {
            color: #fbbf24;
            font-size: 1rem;
            margin-bottom: 15px;
        }

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

        .commenter-info {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .commenter-avatar {
            width: 40px;
            height: 40px;
            background: #e2e8f0;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #4f46e5;
        }

        .commenter-details h4 {
            font-size: 0.95rem;
            color: var(--text-dark);
        }

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

        /* 20. 联系我们 / 21. 加盟代理 (尾部综合布局) */
        .contact-agent-section {
            background: radial-gradient(circle at 10% 90%, rgba(56, 189, 248, 0.05) 0%, transparent 60%);
        }

        .contact-agent-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-card, .agent-card {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 15px 40px rgba(0, 0, 0, 0.02);
        }

        .contact-card h3, .agent-card h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--text-dark);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 10px;
        }

        .qr-area {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 25px;
            background: #f8fafc;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .qr-area img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            border-radius: 8px;
            border: 1px solid #cbd5e1;
        }

        .qr-desc h4 {
            font-size: 1rem;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

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

        .info-list {
            list-style: none;
            margin-top: 20px;
        }

        .info-list li {
            margin-bottom: 12px;
            font-size: 0.95rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .agent-list {
            list-style: none;
            margin-top: 20px;
        }

        .agent-list li {
            background: rgba(99, 102, 241, 0.03);
            border: 1px dashed rgba(99, 102, 241, 0.3);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 12px;
            font-size: 0.95rem;
        }

        /* 友情链接与页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: #fff;
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .friend-links {
            margin-top: 25px;
        }

        .friend-links h5 {
            color: #e2e8f0;
            font-size: 0.95rem;
            margin-bottom: 10px;
        }

        .friend-links a {
            display: inline-block;
            margin-right: 15px;
            margin-bottom: 8px;
            font-size: 0.85rem;
            color: #94a3b8;
        }

        .friend-links a:hover {
            color: #38bdf8;
        }

        .footer-nav h4 {
            color: #fff;
            font-size: 1.1rem;
            margin-bottom: 15px;
        }

        .footer-nav-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            list-style: none;
        }

        .footer-nav-list a {
            font-size: 0.85rem;
            color: #94a3b8;
        }

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

        .copyright-area {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            text-align: center;
            font-size: 0.8rem;
        }

        .copyright-area a.ai-page-home-link {
            color: #fff;
            text-decoration: underline;
        }

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .widget-btn {
            background: #fff;
            border: 1px solid var(--border-color);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .widget-btn:hover {
            transform: translateY(-3px);
            background: var(--btn-glow);
            color: #fff;
        }

        .widget-btn .tooltip-qr {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            width: 150px;
            text-align: center;
        }

        .widget-btn .tooltip-qr img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border-radius: 4px;
        }

        .widget-btn .tooltip-qr p {
            color: var(--text-dark);
            font-size: 0.8rem;
            margin-top: 8px;
            font-weight: 700;
        }

        .widget-btn:hover .tooltip-qr {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3col {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #fff;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-section h1 {
                font-size: 2.2rem;
            }
            .about-grid, .network-grid, .case-grid, .form-grid, .training-grid, .help-center-grid, .contact-agent-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .grid-3col {
                grid-template-columns: 1fr;
            }
            .timeline {
                grid-template-columns: 1fr;
            }
            .token-price-list {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .comments-grid {
                grid-template-columns: 1fr;
            }
            .tech-standard-grid {
                grid-template-columns: 1fr;
            }
        }