/* 根变量与配色：鲜绿夺目风 */
        :root {
            --primary: #10b981; /* 鲜绿 */
            --primary-hover: #059669; /* 深鲜绿 */
            --secondary: #06b6d4; /* 青色 */
            --dark-bg: #0b0f19; /* 科技深色 */
            --light-bg: #f4fdf7; /* 浅绿底色 */
            --card-bg: #ffffff;
            --text-dark: #1f2937; /* 深灰 */
            --text-muted: #6b7280; /* 灰 */
            --border-color: #e5e7eb;
            --container-width: 1200px;
        }

        /* 基础样式复位 */
        * {
            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(--light-bg);
            line-height: 1.6;
        }
        body {
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul {
            list-style: none;
        }

        /* 公共容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            margin-bottom: 15px;
            color: #111827;
            font-weight: 700;
            position: relative;
        }
        .section-title::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            margin: 10px auto 0;
            border-radius: 2px;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 30px;
            border-radius: 8px;
            font-weight: 600;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            font-size: 1rem;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.4);
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
        }
        .btn-outline:hover {
            background-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-wrapper img {
            height: 45px;
            width: auto;
        }
        .logo-text {
            font-size: 1.3rem;
            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: 25px;
            align-items: center;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.3s ease;
        }
        .nav-link:hover::after {
            width: 100%;
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .nav-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-dark);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* 1. 首页 (Hero) - 严格禁止出现任何图片 */
        #hero {
            background: linear-gradient(135deg, #0b132b 0%, #1c2541 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            padding: 120px 0 100px 0;
        }
        #hero::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            z-index: 1;
        }
        #hero::after {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(6,182,212,0.15) 0%, transparent 70%);
            bottom: -50px;
            left: -50px;
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-tag {
            background-color: rgba(16, 185, 129, 0.2);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.9rem;
            display: inline-block;
            margin-bottom: 20px;
            font-weight: 600;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }
        .hero-title-h1 {
            font-size: 3rem;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #ffffff, #a7f3d0);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.2rem;
            color: #9ca3af;
            margin-bottom: 40px;
            line-height: 1.8;
        }
        .hero-buttons {
            display: flex;
            gap: 20px;
            justify-content: center;
            margin-bottom: 50px;
        }
        .hero-btn-primary {
            background-color: var(--primary);
            color: #0b0f19;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 0 20px rgba(16, 185, 129, 0.6);
        }
        .hero-btn-primary:hover {
            background-color: #34d399;
            transform: scale(1.05);
        }

        /* 首页数据指标卡片 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 15px;
            border-radius: 12px;
            text-align: center;
            backdrop-filter: blur(5px);
            transition: all 0.3s ease;
        }
        .stat-card:hover {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-5px);
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 5px;
        }
        .stat-label {
            font-size: 0.85rem;
            color: #9ca3af;
        }

        /* 2. 关于我们 - 平台介绍 */
        #about {
            background-color: #ffffff;
        }
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: #111827;
        }
        .about-p {
            color: var(--text-muted);
            margin-bottom: 15px;
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
        }
        .about-feat-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .about-feat-icon {
            color: var(--primary);
            font-size: 1.2rem;
            font-weight: bold;
        }
        .about-feat-content h4 {
            font-size: 1rem;
            color: #111827;
            margin-bottom: 5px;
        }
        .about-feat-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .about-visual {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(6, 182, 212, 0.05));
            border: 2px dashed rgba(16, 185, 129, 0.2);
            border-radius: 20px;
            padding: 40px;
            text-align: center;
        }
        .about-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 20px;
        }
        .tag-item {
            background: #fff;
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-dark);
            transition: all 0.3s;
        }
        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: scale(1.05);
        }

        /* 3. 全平台AIGC服务 & 4. 一站式AIGC制作 */
        #services {
            background-color: var(--light-bg);
        }
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .service-card {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px 25px;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
            overflow: hidden;
        }
        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
            border-color: rgba(16, 185, 129, 0.2);
        }
        .service-card:hover::before {
            opacity: 1;
        }
        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #111827;
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .service-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .service-list-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-dark);
        }
        .service-list-item::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
        }

        /* 5. 全行业解决方案 & 6. 全国服务网络 */
        #solutions {
            background-color: #ffffff;
        }
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .solution-card {
            background: var(--light-bg);
            border: 1px solid rgba(16, 185, 129, 0.1);
            border-radius: 12px;
            padding: 25px;
            transition: all 0.3s ease;
        }
        .solution-card:hover {
            background: #ffffff;
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(16, 185, 129, 0.08);
            transform: translateY(-4px);
        }
        .solution-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #111827;
            margin-bottom: 10px;
        }
        .solution-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 7. 标准化AIGC流程 & 8. 技术标准 */
        #flow {
            background-color: var(--light-bg);
        }
        .timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background-color: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }
        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: #fff;
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
            transition: all 0.3s;
        }
        .timeline-left {
            left: 0;
        }
        .timeline-right {
            left: 50%;
        }
        .timeline-right::after {
            left: -10px;
        }
        .timeline-content {
            padding: 20px;
            background-color: #fff;
            position: relative;
            border-radius: 12px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
        }
        .timeline-item:hover::after {
            background-color: var(--primary);
            transform: scale(1.2);
        }
        .flow-step-num {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 5px;
            text-transform: uppercase;
        }
        .flow-step-title {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: #111827;
        }
        .flow-step-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 9. 客户案例中心 - 图片展示 */
        #cases {
            background-color: #ffffff;
        }
        .case-gallery {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 40px;
        }
        .case-visual-card {
            background: var(--light-bg);
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }
        .case-visual-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.05);
        }
        .case-image-wrapper {
            width: 100%;
            background-color: #eaeaea;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .case-img {
            width: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .case-visual-card:hover .case-img {
            transform: scale(1.03);
        }
        .case-meta {
            padding: 20px;
        }
        .case-badge {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 10px;
        }
        .case-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #111827;
            margin-bottom: 8px;
        }
        .case-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        /* 10. 对比评测 & 12. Token比价参考 */
        #evaluation {
            background-color: var(--light-bg);
        }
        .eval-container {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            margin-bottom: 50px;
        }
        .eval-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 25px;
            margin-bottom: 30px;
        }
        .eval-score-block {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .score-number {
            font-size: 3.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .score-label {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .score-stars {
            color: #f59e0b; /* 橙黄色星级 */
            font-size: 1.2rem;
            letter-spacing: 2px;
        }
        .eval-table-wrapper {
            overflow-x: auto;
        }
        .eval-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .eval-table th, .eval-table td {
            padding: 15px 20px;
            border-bottom: 1px solid var(--border-color);
        }
        .eval-table th {
            font-weight: 700;
            color: #111827;
            background-color: var(--light-bg);
        }
        .eval-table td strong {
            color: var(--primary);
        }

        /* Token 比价小组件 */
        .token-price-widget {
            margin-top: 40px;
        }
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .token-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .token-info h4 {
            font-size: 1.05rem;
            color: #111827;
            margin-bottom: 5px;
        }
        .token-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .token-cost {
            text-align: right;
        }
        .token-cost-val {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
        }
        .token-cost-unit {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 */
        #training {
            background-color: #ffffff;
        }
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .training-card {
            background-color: var(--light-bg);
            border: 1px solid rgba(16, 185, 129, 0.1);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .training-card:hover {
            background-color: #ffffff;
            border-color: var(--primary);
            box-shadow: 0 15px 30px rgba(16, 185, 129, 0.06);
            transform: translateY(-5px);
        }
        .training-header h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #111827;
            margin-bottom: 10px;
        }
        .training-tag {
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            display: inline-block;
            margin-bottom: 15px;
            font-weight: 600;
        }
        .training-features {
            margin: 20px 0;
            font-size: 0.85rem;
            color: var(--text-muted);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .training-features li {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .training-features li::before {
            content: "•";
            color: var(--primary);
            font-weight: bold;
        }

        /* 6条用户评论卡片 */
        #testimonials {
            background-color: var(--light-bg);
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .testi-card {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            transition: all 0.3s;
        }
        .testi-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.03);
            border-color: rgba(16, 185, 129, 0.2);
        }
        .testi-text {
            font-size: 0.95rem;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-style: italic;
            line-height: 1.7;
        }
        .testi-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }
        .testi-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .testi-info h4 {
            font-size: 0.95rem;
            color: #111827;
            font-weight: 700;
        }
        .testi-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 15. 帮助中心 & 17. 常见问题自助排查 & 18. AI术语百科 */
        #help {
            background-color: #ffffff;
        }
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .glossary-box {
            background-color: var(--light-bg);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid rgba(16, 185, 129, 0.1);
        }
        .glossary-box h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #111827;
        }
        .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .glossary-item dt {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.95rem;
        }
        .glossary-item dd {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 3px;
        }
        .troubleshoot-box {
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            background-color: #fff;
        }
        .troubleshoot-box h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: #111827;
        }
        .troubleshoot-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .ts-item {
            background-color: var(--light-bg);
            padding: 15px;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .ts-title {
            font-weight: 700;
            color: #111827;
            margin-bottom: 4px;
        }

        /* 16. 常见用户问题 FAQ 折叠面板 */
        #faq {
            background-color: var(--light-bg);
        }
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .faq-item {
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-trigger {
            width: 100%;
            padding: 20px 25px;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 600;
            color: #111827;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color 0.3s;
        }
        .faq-trigger:hover {
            color: var(--primary);
        }
        .faq-icon-arrow {
            width: 12px;
            height: 12px;
            border-right: 2px solid var(--text-dark);
            border-bottom: 2px solid var(--text-dark);
            transform: rotate(45deg);
            transition: transform 0.3s ease;
            margin-right: 5px;
        }
        .faq-item.active .faq-icon-arrow {
            transform: rotate(-135deg);
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            background-color: #fafafa;
        }
        .faq-content-inner {
            padding: 0 25px 20px 25px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* 19. 行业资讯 / 知识库 */
        #articles {
            background-color: #ffffff;
        }
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .article-card {
            background: var(--light-bg);
            border: 1px solid rgba(16, 185, 129, 0.1);
            border-radius: 16px;
            padding: 25px;
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .article-card:hover {
            background: #fff;
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(0,0,0,0.03);
            transform: translateY(-3px);
        }
        .article-top {
            margin-bottom: 20px;
        }
        .article-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .article-title-h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #111827;
            line-height: 1.4;
            margin-bottom: 10px;
        }
        .article-summary {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .article-link {
            font-size: 0.9rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 15px;
        }
        .article-link:hover {
            color: var(--primary-hover);
        }

        /* 11. 智能需求匹配 & 20. 联系我们 & 21. 加盟代理 */
        #contact {
            background-color: var(--light-bg);
            position: relative;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: flex-start;
        }
        .form-box {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }
        .form-box h3 {
            font-size: 1.5rem;
            margin-bottom: 25px;
            color: #111827;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background-color: #fafafa;
            color: var(--text-dark);
            font-size: 0.95rem;
            transition: all 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        }
        .contact-info-panel {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border-color);
        }
        .info-header h3 {
            font-size: 1.5rem;
            color: #111827;
            margin-bottom: 10px;
        }
        .info-header p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 30px;
        }
        .info-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 35px;
        }
        .info-item {
            display: flex;
            gap: 15px;
        }
        .info-icon {
            width: 40px;
            height: 40px;
            border-radius: 8px;
            background-color: rgba(16, 185, 129, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .info-content h4 {
            font-size: 0.95rem;
            color: #111827;
            margin-bottom: 2px;
        }
        .info-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        .qrcode-wrapper {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--light-bg);
            padding: 20px;
            border-radius: 12px;
            border: 1px dashed rgba(16, 185, 129, 0.2);
        }
        .qrcode-img-box {
            width: 100px;
            height: 100px;
            background-color: #eee;
            border-radius: 8px;
            overflow: hidden;
        }
        .qrcode-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .qrcode-text h5 {
            font-size: 0.95rem;
            color: #111827;
            margin-bottom: 5px;
        }
        .qrcode-text p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        /* 页脚区 */
        footer {
            background-color: #0b0f19;
            color: #9ca3af;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 1px solid rgba(255,255,255,0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand h4 {
            color: #fff;
            font-size: 1.25rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 15px;
        }
        .footer-links h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .footer-links ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--primary);
        }
        .footer-friend-links h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 15px;
            font-weight: 700;
        }
        .friend-links-flex {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .friend-links-flex a {
            background-color: rgba(255,255,255,0.05);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.8rem;
            transition: all 0.3s;
        }
        .friend-links-flex a:hover {
            background-color: var(--primary);
            color: #0b0f19;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 悬浮组件 */
        .floating-tools {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 15px;
            z-index: 999;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #fff;
            color: var(--text-dark);
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }
        .float-btn:hover {
            background-color: var(--primary);
            color: #fff;
            transform: scale(1.1);
        }
        .float-kefu-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: #fff;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            display: none;
            width: 180px;
            text-align: center;
        }
        .float-kefu-pop img {
            width: 150px;
            height: 150px;
            margin: 0 auto 10px auto;
        }
        .float-kefu-pop p {
            font-size: 0.75rem;
            color: var(--text-dark);
        }
        .float-kefu-wrapper:hover .float-kefu-pop {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-title-h1 {
                font-size: 2.5rem;
            }
            .services-grid, .training-grid, .testimonials-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid > :last-child {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: #fff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.05);
                border-top: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-title-h1 {
                font-size: 2rem;
            }
            .about-grid, .contact-grid, .help-grid, .case-gallery {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .training-grid, .testimonials-grid, .articles-grid, .solutions-grid {
                grid-template-columns: 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 21px;
                right: auto;
            }
            .timeline-right {
                left: 0%;
            }
            .timeline-right::after {
                left: 21px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid > :last-child {
                grid-column: span 1;
            }
        }