:root {
            --primary: #0066ff;
            --primary-light: #e6f0ff;
            --secondary: #00f2fe;
            --accent: #ff007f;
            --dark: #0f172a;
            --dark-light: #334155;
            --light: #f8fafc;
            --white: #ffffff;
            --border: #e2e8f0;
            --gradient: linear-gradient(135deg, #0066ff 0%, #00f2fe 100%);
            --shadow-sm: 0 2px 4px rgba(0, 102, 255, 0.05);
            --shadow-md: 0 10px 20px rgba(0, 102, 255, 0.08);
            --shadow-lg: 0 20px 40px rgba(0, 102, 255, 0.12);
            --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;
            background-color: var(--light);
            color: var(--dark);
            line-height: 1.6;
        }

        body {
            position: relative;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

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

        ul {
            list-style: none;
        }

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

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

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

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

        .logo-text {
            font-weight: 800;
            font-size: 1.25rem;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 25px;
        }

        .nav-link {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--dark-light);
        }

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

        .nav-btn {
            background: var(--gradient);
            color: var(--white);
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-sm);
        }

        .nav-btn:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

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

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

        /* Hero 首屏 (无图) */
        .hero {
            padding: 100px 0 80px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 242, 254, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(0, 102, 255, 0.08) 0%, transparent 50%),
                        var(--white);
            border-bottom: 1px solid var(--border);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: var(--gradient);
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: 50px;
            margin-bottom: 25px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--dark);
            max-width: 900px;
            margin: 0 auto 25px;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--dark-light);
            max-width: 700px;
            margin: 0 auto 35px;
        }

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

        .btn {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
        }

        .btn-primary {
            background: var(--gradient);
            color: var(--white);
            box-shadow: 0 4px 15px rgba(0, 102, 255, 0.2);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 102, 255, 0.3);
        }

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

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .stat-card {
            background: var(--white);
            padding: 25px 20px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--dark-light);
            font-weight: 500;
        }

        /* 统一 Section 样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
            background-color: var(--white);
        }

        section.bg-light {
            background-color: var(--light);
        }

        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 50px;
        }

        .section-tag {
            color: var(--primary);
            font-weight: 700;
            text-transform: uppercase;
            font-size: 0.85rem;
            letter-spacing: 2px;
            display: block;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
        }

        .section-subtitle {
            color: var(--dark-light);
            font-size: 1rem;
            margin-top: 10px;
        }

        /* 关于我们 & 服务网络 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

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

        .about-content p {
            color: var(--dark-light);
            margin-bottom: 25px;
            line-height: 1.8;
        }

        .network-map {
            background: var(--primary-light);
            padding: 30px;
            border-radius: 16px;
            border: 1px dashed var(--primary);
            position: relative;
        }

        .network-title {
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
        }

        .network-item {
            background: var(--white);
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 0.85rem;
            color: var(--dark-light);
            border-left: 3px solid var(--secondary);
            font-weight: 500;
        }

        /* 全平台AIGC服务 & 一站式制作 */
        .platforms-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
            padding: 20px;
            background: var(--light);
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .platform-tag {
            background: var(--white);
            color: var(--dark);
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

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

        .service-card {
            background: var(--white);
            padding: 35px 25px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h4 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--dark-light);
            line-height: 1.6;
        }

        /* 全行业解决方案 & 案例中心 */
        .solutions-section {
            background-color: var(--white);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-bottom: 50px;
        }

        .solution-item {
            background: var(--light);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .solution-item h4 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--primary);
        }

        .solution-item p {
            color: var(--dark-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

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

        .case-card {
            background: var(--white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .case-img-wrap {
            overflow: hidden;
            background-color: var(--light);
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            margin-bottom: 5px;
            display: inline-block;
        }

        .case-title {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 8px;
        }

        .case-desc {
            font-size: 0.85rem;
            color: var(--dark-light);
        }

        /* 流程与技术标准 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            margin-bottom: 50px;
        }

        .process-step {
            background: var(--white);
            padding: 30px 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--gradient);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin: 0 auto 15px;
            box-shadow: var(--shadow-sm);
        }

        .process-step h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

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

        .standards-box {
            background: var(--primary-light);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid rgba(0, 102, 255, 0.2);
        }

        .standards-box h4 {
            font-size: 1.3rem;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .standards-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .standard-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--dark-light);
        }

        .standard-item::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        /* 对比评测 & Token 比价 */
        .comparison-table-wrapper {
            overflow-x: auto;
            margin-bottom: 50px;
            background: var(--white);
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 0.95rem;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
        }

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

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

        .comparison-table td strong {
            color: var(--primary);
        }

        .highlight-col {
            background-color: rgba(0, 102, 255, 0.02);
            font-weight: 600;
        }

        .rating-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        /* 职业技术与培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            background: var(--white);
            padding: 25px 15px;
            border-radius: 12px;
            border: 1px solid var(--border);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .training-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        /* 加盟代理模块 */
        .agent-banner {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            color: var(--white);
            padding: 40px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
        }

        .agent-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 10px;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .agent-text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            max-width: 600px;
        }

        .agent-btn {
            background: var(--gradient);
            color: var(--white);
            padding: 14px 28px;
            border-radius: 8px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(0, 242, 254, 0.2);
            flex-shrink: 0;
        }

        .agent-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 242, 254, 0.4);
        }

        /* 知识库板块 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            background: var(--white);
            border-radius: 12px;
            padding: 25px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .article-meta {
            font-size: 0.8rem;
            color: var(--dark-light);
            margin-bottom: 10px;
            display: block;
        }

        .article-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 自助排查与百科 */
        .help-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 30px;
        }

        .troubleshoot-box {
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .troubleshoot-box h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .troubleshoot-tabs {
            display: flex;
            gap: 10px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .ts-tab {
            padding: 8px 16px;
            background-color: var(--light);
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            border: 1px solid var(--border);
        }

        .ts-tab.active {
            background: var(--gradient);
            color: var(--white);
            border-color: transparent;
        }

        .ts-content {
            padding: 20px;
            background: var(--light);
            border-radius: 8px;
            font-size: 0.9rem;
            min-height: 100px;
            border: 1px solid var(--border);
        }

        .glossary-box {
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .glossary-box h4 {
            font-size: 1.2rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .glossary-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .glossary-item {
            border-bottom: 1px solid var(--border);
            padding-bottom: 10px;
        }

        .glossary-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .glossary-term {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
            margin-bottom: 4px;
        }

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

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 300;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active .faq-question {
            background-color: var(--primary-light);
            color: var(--primary);
        }

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

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

        .faq-answer-inner {
            padding: 20px 24px;
            font-size: 0.9rem;
            color: var(--dark-light);
            line-height: 1.7;
            border-top: 1px solid var(--border);
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--white);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
        }

        .review-card::before {
            content: '“';
            font-family: serif;
            font-size: 4rem;
            color: var(--primary-light);
            position: absolute;
            top: 10px;
            left: 20px;
            line-height: 1;
            z-index: 1;
        }

        .review-text {
            font-size: 0.9rem;
            color: var(--dark-light);
            line-height: 1.6;
            margin-bottom: 20px;
            position: relative;
            z-index: 2;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .author-info h5 {
            font-weight: 700;
            font-size: 0.9rem;
        }

        .author-info p {
            font-size: 0.75rem;
            color: var(--dark-light);
        }

        /* 需求匹配与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

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

        .form-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 25px;
        }

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

        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--dark-light);
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            background-color: var(--light);
            font-family: inherit;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--white);
            box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
        }

        .form-textarea {
            height: 120px;
            resize: vertical;
        }

        .contact-info-box {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .info-card {
            background: var(--light);
            padding: 25px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .info-card h4 {
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
        }

        .info-detail {
            font-size: 0.9rem;
            color: var(--dark-light);
            line-height: 1.8;
        }

        .info-detail a {
            color: var(--primary);
            font-weight: 600;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 15px;
        }

        .qr-item {
            text-align: center;
            background: var(--white);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        .qr-item img {
            width: 100px;
            height: 100px;
            margin: 0 auto 8px;
        }

        .qr-item p {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--dark);
        }

        /* 友情链接与页脚 */
        .footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0 30px;
            border-top: 3px solid var(--primary);
        }

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

        .footer-brand h4 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 15px;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            line-height: 1.8;
        }

        .footer-links h5, .footer-friend h5 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 15px;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

        .footer-links-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-list a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
        }

        .footer-links-list a:hover {
            color: var(--primary);
            padding-left: 5px;
        }

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 15px;
        }

        .friend-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            background: rgba(255, 255, 255, 0.05);
            padding: 4px 10px;
            border-radius: 4px;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

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

        .footer-bottom-links a {
            color: rgba(255, 255, 255, 0.4);
            margin: 0 10px;
        }

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

        /* 悬浮客服面板 */
        .fixed-contact {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .fixed-item:hover {
            background: var(--gradient);
            color: var(--white);
            transform: scale(1.1);
        }

        .fixed-item svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .fixed-item .hover-card {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: var(--white);
            border-radius: 12px;
            padding: 15px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border);
            display: none;
            width: 150px;
            text-align: center;
            color: var(--dark);
        }

        .fixed-item .hover-card img {
            width: 120px;
            height: 120px;
            margin-bottom: 5px;
        }

        .fixed-item .hover-card p {
            font-size: 0.75rem;
            font-weight: 700;
        }

        .fixed-item:hover .hover-card {
            display: block;
        }

        .back-to-top {
            display: none;
        }

        /* 关键动画 */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .cases-gallery, .articles-grid, .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--white);
                flex-direction: column;
                padding: 20px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border);
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .about-grid, .help-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .services-grid, .cases-gallery, .articles-grid, .reviews-grid, .process-flow, .solution-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .agent-banner {
                flex-direction: column;
                text-align: center;
                padding: 30px 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .standards-list {
                grid-template-columns: 1fr;
            }
        }