:root {
            --primary-grad: linear-gradient(135deg, #6366f1, #a855f7, #ec4899);
            --secondary-grad: linear-gradient(135deg, #3b82f6, #06b6d4);
            --accent-grad: linear-gradient(135deg, #f59e0b, #ef4444);
            --bg-light: #f8fafc;
            --text-dark: #0f172a;
            --text-gray: #475569;
            --white: #ffffff;
            --border-color: #e2e8f0;
            --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.08);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        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;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        section {
            padding: 100px 0;
            position: relative;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
        }

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

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

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

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

        .nav-links {
            display: flex;
            gap: 12px;
            list-style: none;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-gray);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
        }

        .nav-links a:hover {
            color: #a855f7;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-link {
            text-decoration: none;
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .btn-outline {
            border: 1.5px solid #a855f7;
            color: #a855f7;
        }

        .btn-outline:hover {
            background: #a855f7;
            color: var(--white);
        }

        .btn-gradient {
            background: var(--primary-grad);
            color: var(--white);
            border: none;
            box-shadow: 0 4px 15px rgba(168, 85, 247, 0.4);
        }

        .btn-gradient:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(168, 85, 247, 0.6);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .mobile-menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--text-dark);
            margin: 5px 0;
            transition: var(--transition);
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero-section {
            padding: 180px 0 120px 0;
            background: radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.05) 0%, rgba(236, 72, 153, 0.05) 90.2%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -20%;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 400px;
            background: radial-gradient(800px circle at center, rgba(168, 85, 247, 0.1), transparent);
            z-index: 0;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 0 auto;
        }

        .badge-hero {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 9999px;
            background: rgba(168, 85, 247, 0.1);
            color: #a855f7;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: 1px solid rgba(168, 85, 247, 0.2);
        }

        .hero-inner h1 {
            font-size: 3rem;
            line-height: 1.25;
            font-weight: 900;
            letter-spacing: -1px;
            margin-bottom: 24px;
            color: var(--text-dark);
        }

        .hero-inner h1 span {
            background: var(--primary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-gray);
            max-width: 700px;
            margin: 0 auto 40px auto;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .hero-buttons .btn-main-link {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: 12px;
            text-decoration: none;
            font-weight: 700;
            transition: var(--transition);
        }

        .hero-buttons .btn-solid {
            background: var(--primary-grad);
            color: var(--white);
            box-shadow: 0 10px 25px rgba(168, 85, 247, 0.4);
        }

        .hero-buttons .btn-solid:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(168, 85, 247, 0.5);
        }

        .hero-buttons .btn-light {
            background: var(--white);
            color: var(--text-dark);
            border: 1.5px solid var(--border-color);
            box-shadow: var(--card-shadow);
        }

        .hero-buttons .btn-light:hover {
            border-color: #a855f7;
            transform: translateY(-3px);
        }

        /* 统一标题模块 */
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 60px auto;
        }

        .section-tag {
            font-size: 0.85rem;
            font-weight: 700;
            color: #a855f7;
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
            display: inline-block;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-gray);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 50px;
        }

        .stat-card {
            background: var(--white);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: #a855f7;
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--secondary-grad);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-gray);
        }

        /* 关于我们 */
        .about-section {
            background: var(--white);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
            font-weight: 800;
        }

        .about-text {
            color: var(--text-gray);
            font-size: 1.05rem;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .about-features {
            list-style: none;
        }

        .about-features li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            color: var(--text-dark);
        }

        .about-features li::before {
            content: "✓";
            display: inline-flex;
            width: 24px;
            height: 24px;
            background: rgba(168, 85, 247, 0.1);
            color: #a855f7;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-weight: 800;
        }

        .about-image-box {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .about-image-box img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }

        /* 全平台AIGC服务 */
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 20px;
        }

        .platform-card {
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 24px;
            border-radius: 12px;
            text-align: center;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .platform-card:hover {
            background: var(--primary-grad);
            color: var(--white);
            border-color: transparent;
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(168, 85, 247, 0.2);
        }

        /* 一站式AIGC制作与素材 */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .prod-card {
            background: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .prod-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .prod-media {
            height: 200px;
            background: #eaeaea;
            position: relative;
            overflow: hidden;
        }

        .prod-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .prod-body {
            padding: 24px;
        }

        .prod-title {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .prod-desc {
            color: var(--text-gray);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

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

        .solution-card {
            background: var(--white);
            padding: 40px 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            border-color: #a855f7;
            box-shadow: var(--card-shadow);
        }

        .solution-icon {
            font-size: 2.5rem;
            margin-bottom: 24px;
            display: inline-block;
        }

        /* 标准化流程 & 服务网络 */
        .network-section {
            background: var(--white);
        }

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

        .process-list {
            position: relative;
            padding-left: 32px;
        }

        .process-list::before {
            content: '';
            position: absolute;
            left: 11px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--border-color);
        }

        .process-item {
            position: relative;
            margin-bottom: 30px;
        }

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

        .process-dot {
            position: absolute;
            left: -32px;
            top: 4px;
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--white);
            border: 4px solid #a855f7;
            z-index: 2;
        }

        .process-item h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

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

        .map-wrapper {
            background: #f1f5f9;
            border-radius: 20px;
            padding: 40px;
            text-align: center;
            border: 1px solid var(--border-color);
            position: relative;
        }

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--white);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
        }

        .case-img-box {
            position: relative;
            height: 240px;
            overflow: hidden;
        }

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

        .case-content {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 700;
            background: rgba(99, 102, 241, 0.1);
            color: #6366f1;
            margin-bottom: 12px;
        }

        .case-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 8px;
        }

        /* 对比评测 - 特色设计 */
        .comparison-section {
            background: var(--white);
        }

        .review-highlight {
            background: var(--primary-grad);
            color: var(--white);
            padding: 40px;
            border-radius: 20px;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
            box-shadow: 0 20px 40px rgba(168, 85, 247, 0.25);
        }

        .review-left h3 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 8px;
        }

        .rating-box {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .rating-stars {
            color: #fbbf24;
            font-size: 1.75rem;
        }

        .rating-num {
            font-size: 3rem;
            font-weight: 900;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            background: var(--white);
        }

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

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

        .comparison-table th {
            background: #f1f5f9;
            font-weight: 800;
        }

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

        .comparison-table td strong {
            color: #a855f7;
        }

        /* Token比价 */
        .token-section {
            background: var(--bg-light);
        }

        .price-tag-new {
            background: #10b981;
            color: white;
            font-size: 0.75rem;
            padding: 2px 6px;
            border-radius: 4px;
            margin-left: 8px;
        }

        /* 培训版块 */
        .training-section {
            background: var(--white);
        }

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

        .course-card {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px 25px;
            transition: var(--transition);
        }

        .course-card:hover {
            transform: translateY(-5px);
            border-color: #a855f7;
            background: var(--white);
            box-shadow: var(--card-shadow);
        }

        .course-auth {
            font-size: 0.8rem;
            font-weight: 700;
            color: #ef4444;
            background: rgba(239, 68, 68, 0.08);
            padding: 4px 10px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 15px;
        }

        .course-title {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        /* 加盟代理 */
        .agent-section {
            background: linear-gradient(135deg, rgba(99, 102, 241, 0.03) 0%, rgba(236, 72, 153, 0.03) 100%);
            border-top: 1px solid var(--border-color);
        }

        .agent-banner {
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: 24px;
            padding: 60px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .agent-content h3 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 16px;
        }

        .agent-benefit {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 24px;
        }

        .benefit-item {
            background: var(--bg-light);
            padding: 16px;
            border-radius: 8px;
            font-weight: 600;
        }

        /* 帮助中心 & FAQ */
        .faq-section {
            background: var(--white);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 50px;
        }

        .faq-left h3 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .faq-left p {
            color: var(--text-gray);
            margin-bottom: 30px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-header {
            padding: 20px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-icon-arrow::after {
            content: '+';
            font-size: 1.25rem;
            font-weight: bold;
            transition: var(--transition);
        }

        .faq-item.active .faq-icon-arrow::after {
            content: '−';
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--white);
        }

        .faq-content {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.95rem;
        }

        /* 术语百科与自助排查 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .glossary-card {
            background: var(--bg-light);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .glossary-card h5 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 知识库/文章 */
        .news-section {
            background: var(--bg-light);
        }

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

        .news-card {
            background: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 24px;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-5px);
        }

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

        .news-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .news-card a {
            text-decoration: none;
            color: #a855f7;
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 评论 */
        .comments-section {
            background: var(--white);
        }

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

        .comment-card {
            background: var(--bg-light);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            position: relative;
        }

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

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

        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-grad);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--white);
            font-weight: 800;
            font-size: 1rem;
        }

        .user-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
        }

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

        /* 需求匹配与联系我们 */
        .contact-section {
            background: var(--bg-light);
        }

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

        .contact-info-panel {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
        }

        .contact-info-panel h3 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 24px;
        }

        .contact-item-detail {
            margin-bottom: 20px;
        }

        .contact-item-detail h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .contact-item-detail p {
            color: var(--text-gray);
        }

        .qrcode-box {
            margin-top: 30px;
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .qrcode-box img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }

        .form-panel {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: var(--card-shadow);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: #a855f7;
            box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--primary-grad);
            border: none;
            border-radius: 8px;
            color: var(--white);
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(168, 85, 247, 0.3);
        }

        /* 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 repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: var(--white);
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-links h5 {
            color: var(--white);
            font-size: 1rem;
            margin-bottom: 16px;
        }

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

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

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .friend-links-box {
            border-top: 1px solid #1e293b;
            padding: 24px 0;
            margin-bottom: 24px;
        }

        .friend-links-box p {
            margin-bottom: 12px;
            font-size: 0.9rem;
            color: #64748b;
        }

        .friend-links-flex {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .friend-links-flex a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.85rem;
        }

        .friend-links-flex a:hover {
            color: var(--white);
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 侧边悬浮 */
        .sticky-toolbar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .toolbar-btn {
            width: 50px;
            height: 50px;
            background: var(--white);
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--text-dark);
            transition: var(--transition);
            cursor: pointer;
            border: 1px solid var(--border-color);
            position: relative;
        }

        .toolbar-btn:hover {
            background: var(--primary-grad);
            color: var(--white);
            transform: translateY(-2px);
        }

        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 12px;
            border-radius: 8px;
            box-shadow: var(--card-shadow);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
            text-align: center;
        }

        .qr-popover img {
            width: 100px;
            height: 100px;
            display: block;
        }

        .qr-popover p {
            font-size: 0.75rem;
            color: var(--text-dark);
            margin-top: 4px;
        }

        .toolbar-btn:hover .qr-popover {
            opacity: 1;
            pointer-events: auto;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid, .production-grid, .solutions-grid, .cases-grid, .training-grid, .news-grid, .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .network-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .hero-inner h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--white);
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .stats-grid, .production-grid, .solutions-grid, .cases-grid, .training-grid, .news-grid, .comments-grid {
                grid-template-columns: 1fr;
            }
            .hero-inner h1 {
                font-size: 2rem;
            }
            .agent-banner {
                grid-template-columns: 1fr;
                padding: 30px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }