:root {
            --primary: #FACC15; /* 鲜黄 */
            --primary-hover: #EAB308;
            --dark: #111827; /* 深黑灰 */
            --dark-light: #1F2937;
            --light: #F9FAFB; /* 浅底 */
            --text-dark: #111827;
            --text-muted: #4B5563;
            --border: #E5E7EB;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-dark);
            background-color: var(--light);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 统一标题 */
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--dark);
            position: relative;
        }

        .section-title span {
            background: linear-gradient(120deg, var(--primary) 0%, #FEE2E2 100%);
            padding: 0 4px;
        }

        .section-subtitle {
            text-align: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            margin-bottom: 60px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-size: 1rem;
            font-weight: 700;
            border-radius: 8px;
            transition: var(--transition);
            cursor: pointer;
            text-decoration: none;
            border: none;
        }

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

        .btn-primary:hover {
            background-color: var(--primary-hover);
            border-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 15px -3px rgba(250, 204, 21, 0.3);
        }

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

        .btn-outline:hover {
            background-color: var(--dark);
            color: #fff;
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

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

        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
            letter-spacing: -0.5px;
        }

        .logo-text span {
            color: var(--primary-hover);
        }

        nav {
            display: flex;
            align-items: center;
            gap: 24px;
        }

        .nav-link {
            color: var(--text-dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 8px 0;
            position: relative;
        }

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

        .nav-btn {
            background-color: var(--dark);
            color: #fff;
            padding: 8px 18px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
        }

        .nav-btn:hover {
            background-color: var(--primary);
            color: var(--dark);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--dark);
            transition: var(--transition);
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero {
            padding: 120px 0 80px 0;
            background: radial-gradient(circle at top right, rgba(250, 204, 21, 0.15) 0%, transparent 60%), linear-gradient(180deg, #FFFFFF 0%, var(--light) 100%);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 科技感几何元素装饰，非图片 */
        .hero::before {
            content: '';
            position: absolute;
            top: -10%;
            left: -10%;
            width: 300px;
            height: 300px;
            border: 40px solid rgba(250, 204, 21, 0.05);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background-color: rgba(250, 204, 21, 0.15);
            color: var(--dark);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 24px;
            border: 1px solid rgba(250, 204, 21, 0.3);
        }

        .hero h1 {
            font-size: 3.5rem;
            line-height: 1.2;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero h1 span {
            background: linear-gradient(180deg, var(--dark) 50%, var(--primary-hover) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px auto;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
        }

        .hero-meta {
            display: flex;
            justify-content: center;
            gap: 32px;
            flex-wrap: wrap;
            border-top: 1px solid var(--border);
            padding-top: 32px;
            max-width: 800px;
            margin: 0 auto;
        }

        .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        .meta-item svg {
            color: var(--primary-hover);
        }

        /* 关于我们 & 核心数据指标 */
        .section-about {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

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

        .about-highlight {
            border-left: 4px solid var(--primary);
            padding-left: 16px;
            margin-bottom: 30px;
            font-style: italic;
            color: var(--dark);
            font-weight: 500;
        }

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

        .stat-card {
            background-color: var(--light);
            border: 1px solid var(--border);
            padding: 30px 24px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .stat-num span {
            color: var(--primary-hover);
        }

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

        /* 全平台AIGC服务体系 & 模型支持 */
        .section-services {
            padding: 80px 0;
            background-color: var(--light);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }

        .service-card {
            background-color: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 32px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background-color: transparent;
            transition: var(--transition);
        }

        .service-card:hover::before {
            background-color: var(--primary);
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 25px -5px rgba(0,0,0,0.05);
        }

        .service-icon {
            width: 48px;
            height: 48px;
            background-color: rgba(250, 204, 21, 0.15);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            color: var(--dark);
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tags span {
            font-size: 0.75rem;
            background-color: var(--light);
            color: var(--text-muted);
            padding: 2px 8px;
            border-radius: 4px;
        }

        /* 平台支持列表 */
        .platform-marquee {
            margin-top: 50px;
            background-color: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            overflow: hidden;
        }

        .platform-title {
            text-align: center;
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-muted);
            margin-bottom: 20px;
            letter-spacing: 1px;
        }

        .platform-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }

        .platform-tag {
            background-color: var(--light);
            border: 1px solid var(--border);
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dark);
            transition: var(--transition);
        }

        .platform-tag:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            transform: scale(1.05);
        }

        /* 全自动AIGC制作流程 & 标准化服务流程 */
        .section-workflow {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .workflow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 60px;
            height: 60px;
            background-color: var(--dark);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin: 0 auto 20px auto;
            border: 4px solid var(--light);
            box-shadow: var(--shadow);
            z-index: 2;
            position: relative;
        }

        .step-item h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 全行业解决方案 */
        .section-solutions {
            padding: 80px 0;
            background-color: var(--light);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-card {
            background-color: #ffffff;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

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

        .solution-info {
            padding: 30px;
            flex-grow: 1;
        }

        .solution-info h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .solution-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
        }

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

        .solution-features li {
            font-size: 0.85rem;
            color: var(--text-dark);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .solution-features li::before {
            content: '✓';
            color: var(--primary-hover);
            font-weight: 900;
        }

        /* 案例展示区 - 包含真实宣传图与素材图 */
        .section-cases {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--light);
            border-radius: 12px;
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-image-wrapper {
            position: relative;
            background-color: #eaeaea;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-body {
            padding: 24px;
        }

        .case-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 对比评测 - 9.9分 */
        .section-review {
            padding: 80px 0;
            background-color: var(--light);
        }

        .review-wrapper {
            background-color: #ffffff;
            border-radius: 16px;
            border: 1px solid var(--border);
            padding: 40px;
            box-shadow: var(--shadow);
        }

        .review-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border);
            padding-bottom: 24px;
            margin-bottom: 30px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .score-box {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .score-num {
            font-size: 3.5rem;
            font-weight: 900;
            color: var(--dark);
            line-height: 1;
        }

        .score-star {
            color: var(--primary-hover);
            font-size: 1.5rem;
            font-weight: 900;
        }

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

        .compare-table-wrapper {
            overflow-x: auto;
        }

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

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

        .compare-table th {
            background-color: var(--light);
            font-weight: 700;
        }

        .compare-table td strong {
            color: #10B981;
        }

        .highlight-row {
            background-color: rgba(250, 204, 21, 0.05);
        }

        /* Token比价与技术标准 */
        .section-pricing {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .pricing-card {
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            background-color: #ffffff;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .pricing-card.featured {
            border: 2px solid var(--primary-hover);
            transform: scale(1.03);
            box-shadow: var(--shadow);
            position: relative;
        }

        .pricing-badge {
            position: absolute;
            top: -12px;
            right: 20px;
            background-color: var(--primary);
            color: var(--dark);
            font-size: 0.75rem;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 12px;
        }

        .pricing-card h3 {
            font-size: 1.25rem;
            margin-bottom: 8px;
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin: 20px 0;
        }

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

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

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

        .pricing-features li::before {
            content: '✓';
            color: var(--primary-hover);
            font-weight: 900;
        }

        /* 培训版块 */
        .section-training {
            padding: 80px 0;
            background-color: var(--light);
        }

        .training-list {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
        }

        .training-card {
            background-color: #ffffff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 24px 16px;
            text-align: center;
            transition: var(--transition);
        }

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

        .training-icon {
            font-size: 2rem;
            margin-bottom: 12px;
            color: var(--primary-hover);
        }

        .training-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }

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

        /* 用户评论区 (6条) */
        .section-testimonials {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background-color: var(--light);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
        }

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

        .user-info {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            background-color: var(--primary);
            color: var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .user-detail h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .user-detail span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .testimonial-content {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 服务网络与百科知识 */
        .section-network {
            padding: 80px 0;
            background-color: var(--light);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .network-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .network-text p {
            color: var(--text-muted);
            margin-bottom: 24px;
            font-size: 1rem;
        }

        .network-nodes {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .network-node {
            background-color: #ffffff;
            border: 1px solid var(--border);
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .wiki-card {
            background-color: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
        }

        .wiki-card h3 {
            font-size: 1.3rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .wiki-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .wiki-item dt {
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 4px;
            color: var(--dark);
        }

        .wiki-item dd {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-left: 0;
        }

        /* FAQ折叠面板 (不少于10条) */
        .section-faq {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 8px;
            background-color: var(--light);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            font-size: 1rem;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.3rem;
            font-weight: 400;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary-hover);
            background-color: #ffffff;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 20px 24px;
            max-height: 200px;
        }

        /* 自助排查模块 */
        .troubleshoot-box {
            max-width: 800px;
            margin: 40px auto 0 auto;
            background-color: rgba(250, 204, 21, 0.05);
            border: 1px dashed var(--primary-hover);
            padding: 24px;
            border-radius: 8px;
        }

        .troubleshoot-box h4 {
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .troubleshoot-box ul {
            list-style: none;
            padding-left: 0;
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
        }

        .troubleshoot-box li {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .troubleshoot-box li::before {
            content: '⚡ ';
            color: var(--primary-hover);
        }

        /* 行业资讯 & 知识库 */
        .section-articles {
            padding: 80px 0;
            background-color: var(--light);
        }

        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background-color: #ffffff;
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
            box-shadow: var(--shadow);
        }

        .article-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .article-card h4 a {
            color: var(--dark);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-card h4 a:hover {
            color: var(--primary-hover);
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 16px;
            display: flex;
            justify-content: space-between;
        }

        /* 智能匹配表单与联系我们 */
        .section-contact {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .contact-wrapper {
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            gap: 60px;
        }

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-panel h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .contact-info-panel p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }

        .contact-details {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-bottom: 30px;
        }

        .contact-detail-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .contact-detail-icon {
            width: 44px;
            height: 44px;
            background-color: var(--light);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-hover);
            font-weight: bold;
        }

        .contact-detail-text h4 {
            font-size: 0.9rem;
            font-weight: 700;
        }

        .contact-detail-text p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin: 0;
        }

        .qrcode-box {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 20px;
            background-color: var(--light);
            border: 1px solid var(--border);
            border-radius: 8px;
            max-width: 360px;
        }

        .qrcode-box img {
            width: 80px;
            height: 80px;
            object-fit: cover;
            border-radius: 4px;
        }

        .qrcode-text h5 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .qrcode-text p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        .contact-form-panel {
            background-color: var(--light);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 40px;
        }

        .contact-form-panel h4 {
            font-size: 1.3rem;
            margin-bottom: 24px;
            font-weight: 700;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 16px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-dark);
        }

        .form-control {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background-color: #ffffff;
            font-size: 0.9rem;
            transition: var(--transition);
            width: 100%;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-hover);
            box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.2);
        }

        /* 友情链接 */
        .section-friends {
            padding: 30px 0;
            background-color: #ffffff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .friends-wrapper {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.85rem;
        }

        .friends-title {
            font-weight: 700;
            color: var(--text-muted);
        }

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

        .friends-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #D1D5DB;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
        }

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

        .footer-brand h4 {
            color: #ffffff;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .footer-links h5 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .footer-links ul {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #9CA3AF;
            text-decoration: none;
            transition: var(--transition);
            font-size: 0.85rem;
        }

        .footer-links a:hover {
            color: var(--primary);
            padding-left: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.8rem;
            color: #9CA3AF;
        }

        .footer-bottom a {
            color: #9CA3AF;
            text-decoration: none;
        }

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

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            right: 24px;
            bottom: 24px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            background-color: var(--primary-hover);
            transform: scale(1.1);
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #ffffff;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 16px;
            box-shadow: var(--shadow);
            display: none;
            flex-direction: column;
            align-items: center;
            width: 160px;
            text-align: center;
        }

        .float-popover img {
            width: 100px;
            height: 100px;
            object-fit: cover;
            margin-bottom: 8px;
        }

        .float-popover span {
            font-size: 0.75rem;
            color: var(--text-dark);
            font-weight: bold;
        }

        .float-btn:hover .float-popover {
            display: flex;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .workflow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-list {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
            }

            .nav-links.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .hero h1 {
                font-size: 2.2rem;
            }

            .about-grid, .solution-grid, .case-grid, .network-grid, .contact-wrapper {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .testimonials-grid, .pricing-grid, .articles-grid {
                grid-template-columns: 1fr;
            }

            .training-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }