/* 炫彩荧光风 核心变量与基础重置 */
        :root {
            --bg-dark: #080c14;
            --bg-darker: #04060a;
            --card-bg: #0f1626;
            --primary: #39ff14; /* 荧光绿 */
            --secondary: #00f0ff; /* 荧光蓝 */
            --accent: #ff007f; /* 荧光粉 */
            --text-light: #f8fafc;
            --text-muted: #94a3b8;
            --border-color: #1e293b;
            --max-width: 1200px;
        }

        * {
            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(--bg-dark);
            color: var(--text-light);
        }

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

        /* 炫彩渐变背景装饰层，不影响文字可读性 */
        body::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                radial-gradient(circle at 10% 20%, rgba(57, 255, 20, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 50%, rgba(0, 240, 255, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 50% 80%, rgba(255, 0, 127, 0.04) 0%, transparent 45%);
            pointer-events: none;
            z-index: 0;
        }

        /* 公共容器 */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
            position: relative;
            z-index: 1;
        }

        /* 标题样式 */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            background: linear-gradient(135deg, var(--text-light) 30%, var(--secondary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 10px rgba(0, 240, 255, 0.1);
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 700px;
            margin: 0 auto;
        }

        /* 按钮基础 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: var(--bg-darker);
            box-shadow: 0 0 15px rgba(57, 255, 20, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.6);
        }

        .btn-outline {
            background: transparent;
            border: 2px solid var(--secondary);
            color: var(--secondary);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }

        .btn-outline:hover {
            background: var(--secondary);
            color: var(--bg-darker);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(8, 12, 20, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 100;
            transition: background 0.3s;
        }

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

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

        .logo-box img {
            height: 38px;
            width: auto;
        }

        .nav-links {
            display: flex;
            gap: 24px;
            list-style: none;
        }

        .nav-links a {
            color: var(--text-light);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--secondary) 0%, var(--accent) 100%);
            color: #fff;
            padding: 8px 18px;
            border-radius: 6px;
            font-size: 0.9rem;
            text-decoration: none;
            font-weight: 600;
            transition: all 0.3s;
        }

        .nav-btn:hover {
            box-shadow: 0 0 15px rgba(255, 0, 127, 0.5);
            transform: scale(1.03);
        }

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

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

        /* Hero首屏 - 严禁出现任何图片 */
        .hero {
            padding: 160px 0 100px;
            position: relative;
            background: radial-gradient(circle at center, rgba(15, 22, 38, 0.8) 0%, var(--bg-dark) 100%);
            text-align: center;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(57, 255, 20, 0.1);
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
            box-shadow: 0 0 10px rgba(57, 255, 20, 0.1);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 20%, var(--secondary) 60%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            transition: all 0.3s;
        }

        .stat-card:hover {
            border-color: var(--secondary);
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 240, 255, 0.05);
        }

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

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
        }

        /* 关于我们与平台介绍 */
        .section-padding {
            padding: 100px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            color: var(--secondary);
            margin-bottom: 20px;
        }

        .about-content p {
            color: var(--text-muted);
            margin-bottom: 16px;
            font-size: 1rem;
        }

        .about-features {
            margin-top: 24px;
        }

        .about-feature-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
        }

        .about-feature-item .icon {
            color: var(--primary);
            font-weight: bold;
            font-size: 1.2rem;
        }

        .about-feature-item div h4 {
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .about-feature-item div p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* 全平台AIGC服务 - 模型列表 (炫彩标签云) */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto;
        }

        .tag-item {
            background: rgba(15, 22, 38, 0.6);
            border: 1px solid var(--border-color);
            color: var(--text-light);
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            transition: all 0.3s;
            cursor: default;
        }

        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: 0 0 10px rgba(57, 255, 20, 0.2);
            transform: scale(1.05);
        }

        /* 一站式AIGC制作场景与解决方案 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 32px 24px;
            transition: all 0.3s;
            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(-8px);
            border-color: var(--secondary);
            box-shadow: 0 15px 30px rgba(0, 240, 255, 0.1);
        }

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

        .service-card .icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: 10px;
            background: rgba(0, 240, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary);
            font-size: 1.5rem;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text-light);
        }

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

        /* 解决方案双栏网格 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .solution-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            gap: 20px;
            align-items: flex-start;
        }

        .solution-info h3 {
            color: var(--text-light);
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .solution-info p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* 标准化AIGC流程步骤 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            position: relative;
            margin-top: 40px;
        }

        .process-step {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--bg-darker);
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 0 10px rgba(57, 255, 20, 0.4);
        }

        .process-step h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-light);
        }

        .process-step p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 技术标准 */
        .tech-standards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .tech-standards ul {
            list-style: none;
        }

        .tech-standards li {
            margin-bottom: 16px;
            position: relative;
            padding-left: 24px;
            color: var(--text-muted);
        }

        .tech-standards li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 案例中心 - 包含指定图片与卡片排版 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .case-card:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.15);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #121824;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            font-size: 0.75rem;
            color: var(--accent);
            border: 1px solid var(--accent);
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--text-light);
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 对比评测板块 */
        .comparison-section {
            background: rgba(15, 22, 38, 0.4);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            padding: 40px;
        }

        .rating-box {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin-bottom: 40px;
            background: rgba(255, 0, 127, 0.05);
            border: 1px solid var(--accent);
            padding: 20px;
            border-radius: 12px;
            flex-wrap: wrap;
        }

        .rating-stars {
            font-size: 1.5rem;
            color: #ffd700;
            text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
        }

        .rating-score {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-light);
        }

        .rating-score span {
            color: var(--accent);
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

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

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

        .comparison-table th {
            background: rgba(24, 34, 54, 0.5);
            color: var(--text-light);
            font-weight: 600;
        }

        .comparison-table td {
            color: var(--text-muted);
        }

        .comparison-table tr:hover td {
            color: var(--text-light);
            background: rgba(24, 34, 54, 0.2);
        }

        .comparison-table .highlight {
            color: var(--primary);
            font-weight: bold;
        }

        /* Token比价参考 */
        .token-price-list {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .token-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 10px;
            padding: 20px;
            text-align: center;
        }

        .token-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-light);
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 1.5rem;
            font-weight: bold;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .token-unit {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 职业与人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px 16px;
            text-align: center;
            transition: all 0.3s;
        }

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

        .training-icon {
            font-size: 2rem;
            color: var(--secondary);
            margin-bottom: 16px;
        }

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

        .training-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .comment-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            position: relative;
        }

        .comment-text {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            font-style: italic;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--bg-darker);
            font-weight: bold;
            font-size: 0.95rem;
        }

        .user-info h5 {
            color: var(--text-light);
            font-size: 0.95rem;
        }

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

        /* FAQ折叠面板 & 常见问题自助排查 & AI术语百科 */
        .faq-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            background: var(--card-bg);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-trigger {
            width: 100%;
            background: transparent;
            border: none;
            color: var(--text-light);
            text-align: left;
            padding: 18px 20px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            outline: none;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 1.2rem;
            color: var(--secondary);
            transition: transform 0.3s;
        }

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

        .faq-item.active .faq-trigger::after {
            content: '−';
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-content {
            padding-bottom: 18px;
        }

        /* 自助排查与术语百科 */
        .sidebar-panel {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .panel-box {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
        }

        .panel-box h3 {
            font-size: 1.2rem;
            color: var(--secondary);
            margin-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 10px;
        }

        .troubleshoot-list, .wiki-list {
            list-style: none;
        }

        .troubleshoot-list li, .wiki-list li {
            margin-bottom: 14px;
            font-size: 0.9rem;
        }

        .troubleshoot-list h5, .wiki-list h5 {
            color: var(--text-light);
            margin-bottom: 4px;
        }

        .troubleshoot-list p, .wiki-list p {
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h4 {
            font-size: 1.1rem;
            color: var(--text-light);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .news-link {
            color: var(--primary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* 智能需求匹配 (表单) & 联系我们 / 加盟代理 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .form-panel {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
        }

        .form-panel h3 {
            font-size: 1.5rem;
            color: var(--text-light);
            margin-bottom: 24px;
        }

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

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

        .form-control {
            width: 100%;
            background: rgba(8, 12, 20, 0.6);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 12px 16px;
            color: var(--text-light);
            font-size: 0.95rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            border-color: var(--secondary);
            outline: none;
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        textarea.form-control {
            resize: vertical;
            min-height: 100px;
        }

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

        .contact-methods {
            margin-bottom: 40px;
        }

        .method-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .method-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: bold;
        }

        .method-info h5 {
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 2px;
        }

        .method-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        .kefu-qrcode {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
            max-width: 280px;
        }

        .kefu-qrcode img {
            width: 150px;
            height: 150px;
            border-radius: 8px;
            margin-bottom: 12px;
            background: #fff;
            padding: 6px;
        }

        .kefu-qrcode p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 4px;
        }

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

        /* 友情链接 */
        .friendship-links {
            padding: 30px 0;
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
        }

        .links-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .links-wrap a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        /* 页脚 */
        footer {
            background: var(--bg-darker);
            color: var(--text-muted);
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--text-light);
            font-size: 1rem;
            margin-bottom: 20px;
        }

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

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

        .footer-col ul li a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-col ul li a:hover {
            color: var(--secondary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        /* 浮动客服入口 */
        .floating-kefu {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 99;
        }

        .kefu-trigger-btn {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent) 0%, var(--secondary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: bold;
            font-size: 1.2rem;
            box-shadow: 0 4px 20px rgba(255, 0, 127, 0.4);
            cursor: pointer;
            transition: transform 0.3s;
        }

        .kefu-trigger-btn:hover {
            transform: scale(1.1) rotate(15deg);
        }

        .kefu-popover {
            position: absolute;
            bottom: 70px;
            right: 0;
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px;
            width: 240px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.5);
            display: none;
            text-align: center;
        }

        .kefu-popover img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .kefu-popover p {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        .floating-kefu:hover .kefu-popover {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--bg-dark);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.4rem;
            }
            .about-grid, .tech-standards, .contact-layout, .faq-layout {
                grid-template-columns: 1fr;
            }
            .service-grid, .cases-grid, .comments-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .token-price-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 480px) {
            .hero h1 {
                font-size: 2rem;
            }
            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .token-price-list {
                grid-template-columns: 1fr;
            }
        }