:root {
            --primary: #0052FF;
            --secondary: #7000FF;
            --accent: #FF007A;
            --dark-bg: #0F172A;
            --light-bg: #F8FAFC;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --container-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--light-bg);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

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

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

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

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

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

        .brand-name {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-main);
            padding: 5px 10px;
            border-radius: 6px;
        }

        .nav-link:hover {
            color: var(--primary);
            background-color: rgba(0, 82, 255, 0.05);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 15px rgba(112, 0, 255, 0.3);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(112, 0, 255, 0.4);
            color: white;
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* 首屏 (Hero) - 无图片设计，高饱和渐变 */
        .hero {
            background: radial-gradient(circle at 90% 10%, rgba(255, 0, 122, 0.08), transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 82, 255, 0.08), transparent 40%),
                        #ffffff;
            padding: 100px 0 80px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: linear-gradient(rgba(0, 82, 255, 0.03) 1px, transparent 1px),
                              linear-gradient(90deg, rgba(0, 82, 255, 0.03) 1px, transparent 1px);
            background-size: 30px 30px;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-block;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(255, 0, 122, 0.1));
            color: var(--secondary);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 25px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .hero h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--text-main);
            max-width: 800px;
            margin: 0 auto 20px;
            letter-spacing: -0.5px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 650px;
            margin: 0 auto 35px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white !important;
            padding: 14px 35px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 10px 25px rgba(0, 82, 255, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(0, 82, 255, 0.45);
        }

        .btn-secondary {
            background: white;
            color: var(--text-main);
            border: 2px solid var(--border-color);
            padding: 12px 35px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }

        .stat-item {
            text-align: center;
        }

        .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 页面大板块通用样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-light {
            background-color: #ffffff;
        }

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

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-title::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 50px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

        .section-subtitle {
            font-size: 1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 平台介绍 & 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .about-text {
            color: var(--text-muted);
            margin-bottom: 25px;
            font-size: 1rem;
            line-height: 1.7;
        }

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

        .feature-bullet {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 15px;
        }

        .bullet-icon {
            color: var(--accent);
            font-weight: bold;
            font-size: 1.2rem;
            line-height: 1;
        }

        .bullet-text strong {
            color: var(--text-main);
        }

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

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

        .about-image-wrapper img {
            border-radius: 12px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        }

        /* AIGC 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: white;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
            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;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.05);
            border-color: rgba(0, 82, 255, 0.2);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.1), rgba(112, 0, 255, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

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

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

        .service-tag {
            display: inline-block;
            font-size: 0.75rem;
            background-color: var(--light-bg);
            color: var(--primary);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        /* 聚合模型展示区 (标签云) */
        .tags-wrapper {
            background-color: white;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-top: 40px;
        }

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

        .tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-tag {
            background-color: var(--light-bg);
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: all 0.2s;
        }

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

        /* 一站式创作场景 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

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

        .scenario-box h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--text-main);
        }

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

        .scenario-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .scenario-feat-item {
            background: var(--light-bg);
            padding: 15px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            border-left: 3px solid var(--accent);
        }

        /* 行业解决方案与全国服务网络 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .sol-card {
            background-color: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: all 0.3s;
        }

        .sol-card:hover {
            background-color: white;
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
            transform: translateY(-3px);
        }

        .sol-icon {
            font-size: 2rem;
            margin-bottom: 15px;
        }

        .sol-card h4 {
            margin-bottom: 10px;
            font-size: 1.1rem;
        }

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

        /* 全国服务网络 */
        .network-section {
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.02), rgba(255, 0, 122, 0.02));
        }

        .network-map-placeholder {
            border: 1px solid var(--border-color);
            background: white;
            border-radius: 16px;
            padding: 40px;
            text-align: center;
        }

        .network-cities {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-top: 20px;
        }

        .city-badge {
            background: var(--light-bg);
            padding: 8px 16px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: bold;
            color: var(--text-main);
            border: 1px solid var(--border-color);
        }

        /* 标准化 AIGC 流程 (时间线/步骤) */
        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
            margin-top: 40px;
        }

        .flow-step {
            background: white;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 35px;
            height: 35px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        .flow-step h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }

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

        /* 技术标准 */
        .tech-standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .tech-card {
            background: white;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
            text-align: center;
        }

        .tech-card h4 {
            font-size: 1.15rem;
            margin-bottom: 12px;
            color: var(--primary);
        }

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

        /* 案例展示区 */
        .cases-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }

        .case-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .case-image-box {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

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

        .case-info-overlay {
            padding: 20px;
            background: white;
            border-top: 1px solid var(--border-color);
        }

        .case-info-overlay h4 {
            font-size: 1.2rem;
            margin-bottom: 5px;
        }

        .case-info-overlay p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 对比评测表格 */
        .comparison-wrapper {
            background: white;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            padding: 30px;
            box-shadow: 0 15px 35px rgba(0,0,0,0.02);
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .comparison-table th, .comparison-table td {
            padding: 15px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

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

        .comparison-table tr:hover {
            background-color: rgba(0, 82, 255, 0.01);
        }

        .highlight-col {
            color: var(--primary);
            font-weight: 700;
            background-color: rgba(0, 82, 255, 0.02);
        }

        .rating-box {
            text-align: center;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 30px;
            border-radius: 12px;
            margin-top: 30px;
        }

        .rating-stars {
            font-size: 1.8rem;
            color: #FFD700;
            margin-bottom: 5px;
        }

        .rating-score {
            font-size: 2.2rem;
            font-weight: 900;
        }

        /* Token 比价 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .price-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            position: relative;
        }

        .price-card.popular {
            border-color: var(--accent);
        }

        .price-badge {
            position: absolute;
            top: 15px;
            right: 15px;
            background: var(--accent);
            color: white;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: bold;
        }

        .price-card h4 {
            font-size: 1.15rem;
            margin-bottom: 15px;
        }

        .price-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 15px;
        }

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

        .price-list {
            list-style: none;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .price-list li {
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
        }

        /* 培训认证 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .train-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            text-align: center;
            transition: transform 0.2s;
        }

        .train-card:hover {
            transform: scale(1.03);
            border-color: var(--secondary);
        }

        .train-icon {
            font-size: 2.2rem;
            margin-bottom: 12px;
        }

        .train-card h4 {
            font-size: 0.95rem;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .train-card span {
            font-size: 0.75rem;
            color: var(--text-muted);
            background: var(--light-bg);
            padding: 3px 8px;
            border-radius: 4px;
        }

        /* 智能需求匹配表单 */
        .form-section {
            background-color: white;
        }

        .form-wrapper {
            max-width: 650px;
            margin: 0 auto;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.02);
        }

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

        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.95rem;
            background-color: var(--light-bg);
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: white;
            box-shadow: 0 0 0 4px rgba(0, 82, 255, 0.1);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            background-size: 16px;
        }

        .form-submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.2);
            transition: all 0.3s;
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 82, 255, 0.3);
        }

        /* 常见问题 FAQ (折叠面板) */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-icon {
            font-size: 1.2rem;
            transition: transform 0.3s;
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.88rem;
            border-top: 1px solid transparent;
        }

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

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-item.active .faq-answer {
            max-height: 200px; /* 足够容纳文本的高度 */
            padding: 20px;
            border-top-color: var(--border-color);
        }

        /* 排查及术语 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .trouble-box {
            background: white;
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 12px;
        }

        .trouble-box h4 {
            margin-bottom: 15px;
            font-size: 1.1rem;
            color: var(--accent);
        }

        .trouble-list {
            list-style: none;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .trouble-list li {
            margin-bottom: 10px;
            padding-left: 15px;
            position: relative;
        }

        .trouble-list li::before {
            content: "•";
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* 客户评论卡片 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.01);
        }

        .review-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .user-avatar-text {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.9rem;
        }

        .user-info h5 {
            font-size: 0.88rem;
            font-weight: 700;
        }

        .user-info span {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 行业资讯 & 知识库 */
        .articles-list-box {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }

        .articles-links {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            list-style: none;
            margin-top: 20px;
        }

        .articles-links li a {
            font-size: 0.9rem;
            color: var(--primary);
            display: block;
            padding: 8px 12px;
            background: var(--light-bg);
            border-radius: 6px;
            border: 1px solid var(--border-color);
        }

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

        /* 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

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

        .contact-info-list li {
            margin-bottom: 15px;
            font-size: 0.95rem;
        }

        .contact-info-list strong {
            color: var(--text-main);
            display: inline-block;
            width: 100px;
        }

        .qrcode-box {
            display: flex;
            gap: 20px;
            background: white;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            align-items: center;
        }

        .qrcode-img-container {
            width: 100px;
            height: 100px;
            background-color: var(--light-bg);
            border-radius: 6px;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qrcode-desc h5 {
            font-size: 0.95rem;
            margin-bottom: 5px;
        }

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

        /* 底部信息区 */
        footer {
            background-color: var(--dark-bg);
            color: #94A3B8;
            padding: 60px 0 30px;
            font-size: 0.85rem;
            border-top: 1px solid #1E293B;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: white;
            font-size: 1.15rem;
            margin-bottom: 15px;
        }

        .footer-brand p {
            margin-bottom: 15px;
            line-height: 1.6;
        }

        .footer-links h5 {
            color: white;
            font-size: 0.95rem;
            margin-bottom: 15px;
        }

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

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

        .footer-links ul li a {
            color: #94A3B8;
        }

        .footer-links ul li a:hover {
            color: white;
        }

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

        .friend-links a {
            color: #94A3B8;
            background-color: #1E293B;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.75rem;
        }

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

        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

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

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: white;
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.08);
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

        .float-btn:hover {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            transform: translateY(-3px);
        }

        .float-btn .float-tooltip {
            position: absolute;
            right: 60px;
            top: 50%;
            transform: translateY(-50%) scale(0.9);
            background: var(--dark-bg);
            color: white;
            padding: 8px 12px;
            border-radius: 6px;
            font-size: 0.8rem;
            white-space: nowrap;
            opacity: 0;
            pointer-events: none;
            transition: all 0.3s;
        }

        .float-btn:hover .float-tooltip {
            opacity: 1;
            transform: translateY(-50%) scale(1);
        }

        /* 移动端响应式样式 */
        @media (max-width: 992px) {
            .hero h1 {
                font-size: 2.2rem;
            }

            .about-grid, .scenarios-grid, .cases-grid, .troubleshoot-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }

            .solutions-grid, .tech-standards-grid, .price-grid {
                grid-template-columns: 1fr;
            }

            .flow-timeline {
                grid-template-columns: 1fr;
            }

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

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: white;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }

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

            .menu-toggle {
                display: flex;
            }

            .hero {
                padding: 60px 0 50px;
            }

            .hero h1 {
                font-size: 1.8rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }