/* 基础变量与重置 */
        :root {
            --primary: #FF6A00;
            --primary-hover: #E05D00;
            --secondary: #FF4500;
            --text-dark: #1A1A1A;
            --text-gray: #666666;
            --text-light: #999999;
            --bg-light: #FAFAFA;
            --bg-white: #FFFFFF;
            --bg-orange-light: #FFF5EE;
            --border-color: #EAEAEA;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.05);
            --shadow-md: 0 8px 24px rgba(255, 106, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(255, 106, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 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;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            outline: none;
        }

        /* 统一容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
            position: relative;
        }

        .section-header h2 {
            font-size: 2.2rem;
            color: var(--text-dark);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .section-header p {
            color: var(--text-gray);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        .section-header::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 16px auto 0;
            border-radius: 2px;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--bg-white);
            box-shadow: 0 4px 14px rgba(255, 106, 0, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 106, 0, 0.4);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--bg-orange-light);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

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

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

        .logo-text {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            padding: 8px 4px;
            position: relative;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
        }

        .nav-link:hover::after {
            width: 100%;
        }

        .nav-btn {
            font-size: 0.9rem;
            padding: 8px 20px;
        }

        /* 移动端菜单按钮 */
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
            z-index: 1001;
        }

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

        /* 2. Hero 首屏 - 纯色+渐变+数据卡片装饰，无图片 */
        .hero {
            padding-top: 160px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(255, 106, 0, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 69, 0, 0.05) 0%, transparent 40%),
                        var(--bg-white);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .hero-tag {
            display: inline-block;
            background-color: var(--bg-orange-light);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 106, 0, 0.2);
        }

        .hero-title {
            font-size: 3.2rem;
            line-height: 1.2;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-weight: 800;
        }

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

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-gray);
            margin-bottom: 35px;
            max-width: 600px;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-features {
            display: flex;
            gap: 30px;
        }

        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-dark);
        }

        .hero-feat-item svg {
            color: var(--primary);
            flex-shrink: 0;
        }

        /* 首屏右侧纯CSS装饰卡片 */
        .hero-visual {
            position: relative;
            height: 380px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .glass-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 106, 0, 0.15);
            border-radius: 24px;
            padding: 30px;
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(10px);
            width: 85%;
            z-index: 2;
            position: relative;
        }

        .glass-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-dark);
        }

        .glass-title span {
            display: inline-block;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--primary);
            box-shadow: 0 0 10px var(--primary);
        }

        .glass-stat {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 25px;
        }

        .stat-box {
            background-color: var(--bg-light);
            padding: 16px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-box:hover {
            border-color: var(--primary);
        }

        .stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
        }

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

        .glass-badge {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 18px;
            background: linear-gradient(90deg, var(--bg-orange-light), var(--bg-white));
            border-radius: 12px;
            font-size: 0.9rem;
            border-left: 4px solid var(--primary);
        }

        .glass-badge-text {
            font-weight: 600;
            color: var(--text-dark);
        }

        .decor-circle {
            position: absolute;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            filter: blur(40px);
            opacity: 0.15;
            z-index: 1;
        }

        .circle-1 {
            width: 250px;
            height: 250px;
            top: -20px;
            right: -20px;
        }

        .circle-2 {
            width: 200px;
            height: 200px;
            bottom: -30px;
            left: -30px;
        }

        /* 3. 关于我们 & 平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

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

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

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

        .about-feat-card {
            background-color: var(--bg-white);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .about-feat-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--primary);
        }

        .about-feat-icon {
            color: var(--primary);
            margin-bottom: 12px;
        }

        .about-feat-card h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
        }

        .about-feat-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        .about-image-wrapper {
            position: relative;
        }

        .ai-page-image {
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            border: 4px solid var(--bg-white);
        }

        /* 4. 数据指标卡片 & 全国服务网络 / 加盟代理 */
        .stats-section {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
            color: var(--bg-white);
            padding: 60px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            text-align: center;
        }

        .stats-item h3 {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .stats-item p {
            color: #CCCCCC;
            font-size: 1rem;
            font-weight: 500;
        }

        /* 5. 全平台 AIGC 服务 (支持30个模型展示) */
        .services-section {
            background-color: var(--bg-white);
        }

        .model-cloud-wrapper {
            margin-top: 40px;
            background: var(--bg-light);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .model-cloud-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 25px;
            color: var(--text-dark);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .tag-item {
            padding: 8px 18px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: var(--bg-orange-light);
            transform: scale(1.05);
        }

        /* 6. 一站式 AIGC 制作场景 (网格布局) */
        .production-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .production-card {
            background-color: var(--bg-white);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }

        .production-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .prod-img-box {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/10;
            background-color: var(--bg-orange-light);
        }

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

        .production-card:hover .prod-img-box img {
            transform: scale(1.05);
        }

        .prod-info {
            padding: 24px;
        }

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

        .prod-info p {
            color: var(--text-gray);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }

        .prod-features {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .prod-badge {
            font-size: 0.75rem;
            padding: 4px 10px;
            background-color: var(--bg-light);
            border-radius: 4px;
            color: var(--text-gray);
        }

        /* 7. 全行业解决方案 */
        .solution-section {
            background-color: var(--bg-white);
        }

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

        .sol-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .sol-item {
            display: flex;
            gap: 16px;
            padding: 20px;
            border-radius: 16px;
            background-color: var(--bg-light);
            border-left: 5px solid var(--primary);
            transition: var(--transition);
        }

        .sol-item:hover {
            transform: translateX(5px);
            background-color: var(--bg-orange-light);
        }

        .sol-icon {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .sol-content h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: var(--text-dark);
        }

        .sol-content p {
            font-size: 0.9rem;
            color: var(--text-gray);
        }

        /* 8. 标准化 AIGC 流程 & 技术标准 */
        .process-flow {
            display: flex;
            justify-content: space-between;
            position: relative;
            margin-top: 50px;
        }

        .process-flow::before {
            content: '';
            position: absolute;
            top: 35px;
            left: 50px;
            right: 50px;
            height: 4px;
            background-color: var(--border-color);
            z-index: 1;
        }

        .process-step {
            width: 18%;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-circle {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            background-color: var(--bg-white);
            border: 4px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-light);
            margin: 0 auto 16px;
            transition: var(--transition);
        }

        .process-step:hover .step-circle {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 15px rgba(255, 106, 0, 0.25);
        }

        .process-step h4 {
            font-size: 1rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

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

        /* 9. 对比评测 - 9.9评分，5星 */
        .comparison-section {
            background-color: var(--bg-white);
        }

        .review-headline {
            background: var(--bg-orange-light);
            padding: 30px;
            border-radius: 20px;
            margin-bottom: 40px;
            border: 1px dashed var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        .review-score-box {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .score-number {
            font-size: 4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .score-label h4 {
            font-size: 1.4rem;
            color: var(--text-dark);
        }

        .stars {
            color: #FFB300;
            font-size: 1.3rem;
            margin-top: 4px;
        }

        .review-summary {
            max-width: 600px;
            color: var(--text-gray);
            font-size: 0.95rem;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }

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

        .comp-table th, .comp-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

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

        .comp-table tr:hover {
            background-color: rgba(255, 106, 0, 0.02);
        }

        .comp-highlight {
            background-color: var(--bg-orange-light) !important;
            font-weight: 600;
            color: var(--primary);
        }

        /* 10. Token 比价参考 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .pricing-card {
            background-color: var(--bg-white);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            padding: 30px;
            position: relative;
            transition: var(--transition);
        }

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

        .pricing-card.popular {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .popular-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--bg-white);
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
        }

        .price-header h3 {
            font-size: 1.4rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
        }

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

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

        .price-list li {
            font-size: 0.9rem;
            color: var(--text-gray);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-list li svg {
            color: #22C55E;
        }

        /* 11. 职业技术培训 & 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .training-card {
            background-color: var(--bg-white);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 24px 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-sm);
        }

        .training-icon {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .training-card h4 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--text-dark);
        }

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

        /* 12. 客户案例中心 & 6条评论 */
        .case-section {
            background-color: var(--bg-white);
        }

        .case-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background-color: var(--bg-light);
            border-radius: 16px;
            padding: 20px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .testimonial-card:hover {
            border-color: var(--primary);
            background-color: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .testi-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }

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

        .testi-role {
            font-size: 0.8rem;
            color: var(--primary);
            background-color: var(--bg-orange-light);
            padding: 2px 8px;
            border-radius: 4px;
        }

        .testi-content {
            font-size: 0.85rem;
            color: var(--text-gray);
        }

        /* 13. 智能需求匹配表单 */
        .form-section {
            background: linear-gradient(135deg, var(--bg-orange-light) 0%, var(--bg-white) 100%);
        }

        .form-container {
            max-width: 700px;
            margin: 0 auto;
            background-color: var(--bg-white);
            border-radius: 24px;
            padding: 40px;
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 106, 0, 0.1);
        }

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

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

        .form-input {
            width: 100%;
            padding: 12px 18px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            transition: var(--transition);
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 106, 0, 0.15);
        }

        /* 14. 帮助中心 FAQ (10条折叠面板 + 术语 + 自助排查) */
        .faq-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.7fr;
            gap: 40px;
            margin-top: 40px;
        }

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

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

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-header {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--text-dark);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-icon-arrow {
            color: var(--primary);
            transition: var(--transition);
        }

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

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-content {
            padding: 0 24px 20px;
            font-size: 0.88rem;
            color: var(--text-gray);
        }

        /* 自助排查与术语百科 */
        .sidebar-box {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            margin-bottom: 24px;
        }

        .sidebar-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-dark);
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        .trouble-list, .wiki-list {
            list-style: none;
        }

        .trouble-list li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 0.85rem;
            color: var(--text-gray);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .wiki-list li {
            margin-bottom: 14px;
        }

        .wiki-term {
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--text-dark);
            margin-bottom: 2px;
        }

        .wiki-def {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* 15. 行业资讯 / 知识库 (调用最新文章) */
        .news-section {
            background-color: var(--bg-white);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

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

        .news-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            background-color: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .news-tag {
            font-size: 0.75rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            margin-bottom: 10px;
            display: inline-block;
        }

        .news-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .news-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .news-link {
            color: var(--primary);
            font-weight: 600;
        }

        /* 16. 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .contact-info-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .contact-info-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .contact-icon {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .contact-details h4 {
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--text-dark);
        }

        .contact-details p {
            font-size: 0.9rem;
            color: var(--text-gray);
        }

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

        .qr-card img {
            width: 160px;
            height: 160px;
            margin: 0 auto 16px;
            border: 1px solid var(--border-color);
            padding: 8px;
            border-radius: 12px;
        }

        .qr-card p {
            font-size: 0.88rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        /* 页脚 */
        .footer {
            background-color: #111111;
            color: #999999;
            padding: 60px 0 20px;
            border-top: 4px solid var(--primary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--bg-white);
            font-size: 1.05rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

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

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

        .footer-links li {
            margin-bottom: 10px;
            font-size: 0.88rem;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 15px;
        }

        .friend-links a {
            font-size: 0.8rem;
            color: #666;
            background-color: #1e1e1e;
            padding: 4px 10px;
            border-radius: 4px;
        }

        .friend-links a:hover {
            color: var(--primary);
            background-color: #2e2e2e;
        }

        .footer-bottom {
            border-top: 1px solid #222;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 悬浮侧栏 */
        .floating-bar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            color: var(--text-dark);
            position: relative;
        }

        .float-item:hover {
            background-color: var(--primary);
            color: var(--bg-white);
            transform: scale(1.05);
        }

        .float-qr-hover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-qr-hover img {
            width: 120px;
            height: 120px;
        }

        .float-item:hover .float-qr-hover {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-visual {
                height: auto;
            }
            .production-grid, .token-pricing-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .about-grid, .sol-grid, .case-grid, .faq-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                flex-direction: column;
                gap: 30px;
            }
            .process-flow::before {
                display: none;
            }
            .process-step {
                width: 100%;
                display: flex;
                align-items: center;
                text-align: left;
                gap: 20px;
            }
            .step-circle {
                margin: 0;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 80px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                flex-direction: column;
                padding: 20px;
                border-top: 1px solid var(--border-color);
                box-shadow: var(--shadow-sm);
                display: none;
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .production-grid, .token-pricing-grid, .news-grid, .stats-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }