/* 基础变量与撞色风格定义 */
        :root {
            --primary: #0052ff; /* 科技蓝 */
            --secondary: #ff5a00; /* 活力橙 */
            --accent: #00f0a8; /* 极光绿 */
            --dark: #0f172a; /* 深蓝黑 */
            --light-bg: #f8fafc; /* 米白底色 */
            --card-bg: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --container-max: 1200px;
        }

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

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

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

        /* 撞色标题样式 */
        .section-title {
            text-align: center;
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            font-weight: 800;
        }
        .section-title span {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px;
            font-size: 1.1rem;
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            border-bottom: 2px solid var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 70px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-area img {
            height: 40px;
            width: auto;
        }
        .logo-text {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--dark);
        }
        .nav-menu {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }
        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.3s;
        }
        .nav-menu a:hover {
            color: var(--primary);
        }
        .nav-btn {
            background-color: var(--secondary);
            color: #ffffff !important;
            padding: 8px 16px;
            border-radius: 4px;
            transition: background 0.3s, transform 0.2s;
        }
        .nav-btn:hover {
            background-color: #e04f00;
            transform: translateY(-2px);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: none;
            border: none;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁出现任何图片 */
        .hero {
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 168, 0.15) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 90, 0, 0.1) 0%, transparent 50%),
                        linear-gradient(180deg, #ffffff 0%, var(--light-bg) 100%);
            padding: 100px 0 80px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }
        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 24px;
            font-weight: 900;
        }
        .hero h1 span {
            background: linear-gradient(135deg, var(--primary) 30%, var(--secondary) 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 35px;
        }
        .hero-badges {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }
        .hero-badge {
            background: #ffffff;
            border: 2px solid var(--border-color);
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--text-main);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: all 0.3s;
        }
        .hero-badge:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }
        .hero-cta {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .btn-main {
            background-color: var(--primary);
            color: #ffffff;
            padding: 15px 35px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s;
            box-shadow: 0 8px 16px rgba(0, 82, 255, 0.2);
            border: 2px solid var(--primary);
        }
        .btn-main:hover {
            background-color: #0043d0;
            transform: translateY(-3px);
            box-shadow: 0 12px 20px rgba(0, 82, 255, 0.3);
        }
        .btn-secondary {
            background-color: transparent;
            color: var(--dark);
            padding: 15px 35px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s;
            border: 2px solid var(--dark);
        }
        .btn-secondary:hover {
            background-color: var(--dark);
            color: #ffffff;
            transform: translateY(-3px);
        }

        /* 全局Section通用样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

        /* 2. 关于我们与数据指标 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-content p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .metric-card {
            background: #ffffff;
            padding: 25px;
            border-radius: 12px;
            border-left: 4px solid var(--accent);
            box-shadow: 0 4px 12px rgba(0,0,0,0.03);
            transition: transform 0.3s;
        }
        .metric-card:hover {
            transform: translateY(-5px);
        }
        .metric-card.orange {
            border-left-color: var(--secondary);
        }
        .metric-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            line-height: 1;
            margin-bottom: 8px;
        }
        .metric-label {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        /* 3. 全平台AIGC服务体系 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .service-card {
            background: #ffffff;
            padding: 40px 30px;
            border-radius: 16px;
            border: 2px solid var(--border-color);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        .service-card:hover {
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(0, 82, 255, 0.08);
        }
        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
        }
        .service-tag {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--light-bg);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--primary);
        }

        /* 4. 全自动AIGC制作流程 (时间线/步骤) */
        .flow-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            position: relative;
        }
        .flow-step {
            background: #ffffff;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            text-align: center;
            position: relative;
        }
        .flow-step::after {
            content: "➔";
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            color: var(--primary);
            z-index: 2;
        }
        .flow-step:last-child::after {
            display: none;
        }
        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-weight: 800;
        }
        .flow-step h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--dark);
        }
        .flow-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 5. 解决方案 & 软件介绍 */
        .solution-section {
            background-color: #ffffff;
        }
        .intro-box {
            background: var(--light-bg);
            border: 2px solid var(--dark);
            border-radius: 16px;
            padding: 40px;
            margin-bottom: 50px;
            box-shadow: 6px 6px 0px var(--dark);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .intro-left h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 20px;
        }
        .intro-left p {
            color: var(--text-muted);
            margin-bottom: 15px;
        }
        .intro-right ul {
            list-style: none;
        }
        .intro-right li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            font-weight: 600;
        }
        .intro-right li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            background: var(--dark);
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
        }

        /* 标签云组件 */
        .tag-cloud-wrapper {
            margin-top: 40px;
        }
        .tag-cloud-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--dark);
            text-align: center;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tag-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-main);
            transition: all 0.2s;
        }
        .tag-item:hover {
            background: var(--secondary);
            color: #ffffff;
            border-color: var(--secondary);
        }

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }
        .network-info h3 {
            font-size: 1.6rem;
            margin-bottom: 15px;
        }
        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 25px;
        }
        .network-item {
            background: #ffffff;
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

        /* 7 & 8. 标准化流程与技术标准 */
        .standards-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .standard-box {
            background: #ffffff;
            padding: 35px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }
        .standard-box h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--dark);
            border-bottom: 2px solid var(--primary);
            padding-bottom: 10px;
        }
        .std-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 15px;
            font-size: 0.95rem;
        }
        .std-name {
            font-weight: 600;
        }
        .std-val {
            color: var(--primary);
            font-weight: 700;
        }

        /* 9. 案例中心 - 图片展示区域 */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .gallery-item {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            transition: transform 0.3s;
        }
        .gallery-item:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
        }
        .gallery-image-container {
            width: 100%;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: #f1f5f9;
        }
        .gallery-image-container.square {
            aspect-ratio: 1 / 1;
        }
        .gallery-image-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }
        .gallery-item:hover img {
            transform: scale(1.05);
        }
        .gallery-info {
            padding: 20px;
        }
        .gallery-info h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .gallery-info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 10. 对比评测 - 强撞色卡片 */
        .review-card {
            background: var(--dark);
            color: #ffffff;
            border-radius: 20px;
            padding: 50px;
            position: relative;
            overflow: hidden;
        }
        .review-card::before {
            content: "";
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: var(--secondary);
            border-radius: 50%;
            filter: blur(80px);
            z-index: 1;
        }
        .review-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            position: relative;
            z-index: 2;
        }
        .score-box {
            text-align: center;
            border-right: 1px solid rgba(255,255,255,0.1);
            padding-right: 40px;
        }
        .score-title {
            font-size: 1.1rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--accent);
            margin-bottom: 15px;
        }
        .score-num {
            font-size: 5rem;
            font-weight: 900;
            line-height: 1;
            color: #ffffff;
        }
        .score-max {
            font-size: 1.5rem;
            color: var(--text-muted);
        }
        .stars {
            color: #ffb700;
            font-size: 1.8rem;
            margin-top: 15px;
        }
        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }
        .comparison-table th, .comparison-table td {
            padding: 12px 15px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .comparison-table th {
            color: var(--accent);
            font-weight: 700;
        }
        .comparison-table td {
            font-size: 0.9rem;
        }

        /* 12. Token比价参考 */
        .token-table-container {
            background: #ffffff;
            border-radius: 12px;
            padding: 30px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
        }

        /* 13 & 14. 培训业务 */
        .train-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .train-card {
            background: #ffffff;
            padding: 25px;
            border-radius: 12px;
            border-top: 4px solid var(--primary);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
            text-align: center;
        }
        .train-card:nth-child(even) {
            border-top-color: var(--secondary);
        }
        .train-card h3 {
            font-size: 1.15rem;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .train-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 15 & 16 & 17. 常见问题 FAQ / 常见问题自助排查 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s;
        }
        .faq-question {
            padding: 20px;
            background: #ffffff;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: var(--dark);
        }
        .faq-question::after {
            content: "+";
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--light-bg);
            border-top: 0 solid var(--border-color);
        }
        .faq-answer-content {
            padding: 20px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .faq-item.active {
            border-color: var(--primary);
        }
        .faq-item.active .faq-question::after {
            content: "−";
        }
        .faq-item.active .faq-answer {
            max-height: 200px;
            border-top-width: 1px;
        }

        /* 18. 网站术语百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .wiki-card {
            background: #ffffff;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
        }
        .wiki-card h4 {
            color: var(--primary);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .wiki-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 19. 行业资讯 / 知识库 */
        .news-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }
        .news-card {
            background: #ffffff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }
        .news-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }
        .news-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
        }
        .news-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
            text-decoration: none;
            display: block;
        }
        .news-title:hover {
            color: var(--primary);
        }

        /* 11 & 20. 智能需求匹配与联系我们 */
        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }
        .form-container {
            background: #ffffff;
            padding: 40px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            border: 2px solid var(--dark);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--dark);
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.3s;
        }
        .form-control:focus {
            border-color: var(--primary);
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }
        .btn-submit {
            width: 100%;
            background: var(--dark);
            color: #ffffff;
            padding: 15px;
            border: none;
            border-radius: 6px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            transition: background 0.3s;
        }
        .btn-submit:hover {
            background: var(--primary);
        }

        .contact-info-panel {
            background: var(--dark);
            color: #ffffff;
            padding: 40px;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .info-header h3 {
            font-size: 1.8rem;
            color: var(--accent);
            margin-bottom: 15px;
        }
        .info-header p {
            color: #cbd5e1;
            margin-bottom: 30px;
        }
        .info-details {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .info-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .info-icon {
            width: 40px;
            height: 40px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: bold;
        }
        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        .qr-item {
            text-align: center;
            background: #ffffff;
            padding: 15px;
            border-radius: 8px;
            color: var(--dark);
            width: calc(50% - 10px);
            min-width: 120px;
        }
        .qr-item img {
            width: 100px;
            height: 100px;
            margin-bottom: 8px;
        }
        .qr-item p {
            font-size: 0.8rem;
            font-weight: 700;
        }

        /* 评论板块 */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .testimonial-card {
            background: #ffffff;
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            position: relative;
        }
        .testimonial-text {
            font-style: italic;
            color: var(--text-main);
            margin-bottom: 20px;
            font-size: 0.95rem;
        }
        .testimonial-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }
        .user-avatar {
            width: 45px;
            height: 45px;
            background: var(--light-bg);
            border: 2px solid var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--primary);
        }
        .user-info h5 {
            font-size: 0.95rem;
            color: var(--dark);
        }
        .user-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        /* 友情链接与页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 4px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col li {
            margin-bottom: 10px;
        }
        .footer-col a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .friend-links {
            border-top: 1px solid #334155;
            padding-top: 20px;
            margin-bottom: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 0.8rem;
        }
        .friend-links a {
            color: #64748b;
            text-decoration: none;
        }
        .friend-links a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            border-top: 1px solid #334155;
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* 悬浮客服 */
        .float-kefu {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            background: var(--primary);
            color: #ffffff;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.3);
            cursor: pointer;
            transition: all 0.3s;
        }
        .float-kefu:hover {
            transform: scale(1.1);
        }
        .kefu-panel {
            display: none;
            position: absolute;
            bottom: 70px;
            right: 0;
            background: #ffffff;
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 15px;
            width: 220px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            color: var(--dark);
            text-align: center;
        }
        .kefu-panel img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }
        .kefu-panel p {
            font-size: 0.85rem;
            font-weight: 700;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-grid, .intro-grid, .network-grid, .standards-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .score-box {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                padding-right: 0;
                padding-bottom: 20px;
            }
            .review-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                border-bottom: 2px solid var(--primary);
                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 h1 {
                font-size: 2.2rem;
            }
            .flow-step::after {
                content: "▼";
                right: auto;
                left: 50%;
                bottom: -20px;
                top: auto;
                transform: translateX(-50%);
            }
        }