:root {
            --primary: #FCD116; /* 鲜黄品牌色 */
            --primary-hover: #E0B810;
            --dark: #111111;
            --dark-light: #1A1A1A;
            --text-dark: #2D3748;
            --text-gray: #718096;
            --bg-light: #F7FAFC;
            --bg-white: #FFFFFF;
            --border-color: #E2E8F0;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

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

        /* 顶部导航 */
        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;
            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);
            letter-spacing: -0.5px;
        }

        .nav-links {
            display: flex;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            padding: 5px 8px;
            border-radius: 4px;
        }

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

        .nav-btn {
            background-color: var(--dark);
            color: var(--primary) !important;
            padding: 8px 18px !important;
            border-radius: 20px !important;
            font-weight: bold !important;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
        }

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

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

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* Hero 首屏 - 纯色/渐变/无图片 */
        .hero {
            background: linear-gradient(135deg, var(--dark) 0%, var(--dark-light) 100%);
            color: var(--bg-white);
            padding: 100px 0 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(252, 209, 22, 0.08) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-tag {
            background-color: var(--primary);
            color: var(--dark);
            padding: 6px 16px;
            font-weight: 700;
            border-radius: 20px;
            display: inline-block;
            margin-bottom: 20px;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--bg-white);
        }

        .hero h1 span {
            color: var(--primary);
        }

        .hero-desc {
            font-size: 1.2rem;
            max-width: 800px;
            margin: 0 auto 40px auto;
            color: #A0AEC0;
        }

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

        .btn {
            padding: 14px 32px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--dark);
            box-shadow: 0 4px 20px rgba(252, 209, 22, 0.4);
        }

        .btn-primary:hover {
            background-color: var(--bg-white);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(255, 255, 255, 0.2);
        }

        .btn-secondary {
            background-color: transparent;
            color: var(--bg-white);
            border: 2px solid rgba(255, 255, 255, 0.2);
        }

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

        /* 核心卖点小工具栏 */
        .hero-badge-container {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            color: #CBD5E0;
        }

        .hero-badge svg {
            color: var(--primary);
            width: 20px;
            height: 20px;
        }

        /* 数据指标卡片 */
        .section {
            padding: 80px 0;
        }

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

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            width: 60px;
            height: 4px;
            background-color: var(--primary);
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-gray);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 15px auto 0 auto;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 12px;
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 20px rgba(252, 209, 22, 0.1);
        }

        .stat-card .num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 5px;
        }

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

        .stat-card .label {
            font-size: 0.95rem;
            color: var(--text-gray);
            font-weight: 600;
        }

        /* 聚合模型滚屏展示区 */
        .model-marquee {
            background-color: var(--dark);
            padding: 20px 0;
            overflow: hidden;
            white-space: nowrap;
            position: relative;
        }

        .marquee-inner {
            display: inline-block;
            animation: marquee 30s linear infinite;
        }

        .model-tag {
            display: inline-block;
            background-color: rgba(255,255,255,0.08);
            color: #E2E8F0;
            padding: 8px 18px;
            margin: 0 10px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid rgba(255,255,255,0.1);
            transition: var(--transition);
        }

        .model-tag:hover {
            background-color: var(--primary);
            color: var(--dark);
            border-color: var(--primary);
        }

        @keyframes marquee {
            0% { transform: translateX(0%); }
            100% { transform: translateX(-50%); }
        }

        /* 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-light);
            border-radius: 16px;
            padding: 40px 30px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            border: 1px solid transparent;
        }

        .service-card:hover {
            background-color: var(--bg-white);
            border-color: var(--primary);
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.05);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            background-color: var(--primary);
            color: var(--dark);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 1.8rem;
            font-weight: bold;
        }

        .service-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--dark);
        }

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

        /* 制作场景与一站式 */
        .solutions-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .solutions-left h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .solutions-list {
            list-style: none;
            margin-top: 30px;
        }

        .solutions-list li {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
        }

        .solutions-list .dot {
            width: 24px;
            height: 24px;
            background-color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 0.8rem;
            color: var(--dark);
            flex-shrink: 0;
            margin-top: 2px;
        }

        .solutions-list h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

        .solutions-list p {
            color: var(--text-gray);
            font-size: 0.9rem;
        }

        /* 解决方案与服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .network-stat-item {
            background-color: var(--bg-light);
            padding: 25px;
            border-radius: 12px;
            border-left: 4px solid var(--primary);
        }

        /* 标准化AIGC流程 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

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

        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background-color: var(--dark);
            color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            border: 3px solid var(--bg-light);
        }

        .step-item h3 {
            margin-top: 15px;
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-gray);
        }

        /* 技术标准与证书 */
        .standards-container {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .standard-card {
            background-color: var(--bg-white);
            border-top: 4px solid var(--primary);
            padding: 30px;
            border-radius: 8px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
        }

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

        .comparison-table th.highlight, .comparison-table td.highlight {
            background-color: rgba(252, 209, 22, 0.08);
            font-weight: 700;
        }

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

        .badge-check {
            color: #2F855A;
            font-weight: bold;
        }

        .badge-cross {
            color: #C53030;
            font-weight: bold;
        }

        .score-box {
            background-color: var(--primary);
            color: var(--dark);
            padding: 20px;
            border-radius: 12px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 30px;
            font-weight: bold;
        }

        .score-stars {
            color: var(--dark);
            font-size: 1.3rem;
        }

        /* Token比价参考表 */
        .token-price-section {
            background-color: var(--bg-white);
            padding: 60px 40px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 35px;
        }

        .token-card {
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 25px;
            transition: var(--transition);
        }

        .token-card.best {
            border-color: var(--primary);
            background: linear-gradient(180deg, rgba(252, 209, 22, 0.05) 0%, transparent 100%);
            position: relative;
        }

        .token-card.best::after {
            content: '推荐';
            position: absolute;
            top: 15px;
            right: 15px;
            background-color: var(--primary);
            color: var(--dark);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .token-card h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .token-card .price {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .token-card .price span {
            font-size: 0.9rem;
            color: var(--text-gray);
            font-weight: normal;
        }

        /* 案例展示区 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--bg-white);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 10px rgba(0,0,0,0.03);
            border: 1px solid var(--border-color);
        }

        .case-img-container {
            position: relative;
            overflow: hidden;
            background-color: #eee;
            aspect-ratio: 16 / 10;
        }

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

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            background-color: var(--primary);
            color: var(--dark);
            font-size: 0.75rem;
            font-weight: bold;
            padding: 3px 8px;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-info h3 {
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        /* 职业技术与培训 */
        .training-section {
            background-color: var(--dark);
            color: var(--bg-white);
            border-radius: 16px;
            padding: 60px 40px;
        }

        .training-section h2 {
            color: var(--bg-white);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .training-card {
            background-color: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.1);
            padding: 30px;
            border-radius: 12px;
            transition: var(--transition);
        }

        .training-card:hover {
            border-color: var(--primary);
            background-color: rgba(255,255,255,0.08);
        }

        .training-card h3 {
            font-size: 1.25rem;
            color: var(--primary);
            margin-bottom: 15px;
        }

        .training-card ul {
            list-style: none;
        }

        .training-card ul li {
            margin-bottom: 8px;
            font-size: 0.95rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .training-card ul li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 16px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

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

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background-color: var(--primary);
            color: var(--dark);
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            font-weight: bold;
        }

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

        /* FAQ折叠面板 */
        .faq-container {
            max-width: 800px;
            margin: 0 auto;
        }

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

        .faq-header {
            padding: 18px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-header:hover {
            background-color: rgba(252, 209, 22, 0.05);
        }

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

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

        .faq-content {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            color: var(--text-gray);
            font-size: 0.95rem;
        }

        .faq-item.active .faq-content {
            padding: 0 24px 20px 24px;
            max-height: 500px;
            border-top: 1px solid var(--border-color);
        }

        /* 自助排查与术语百科 */
        .help-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

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

        .help-card h3 {
            font-size: 1.25rem;
            margin-bottom: 20px;
            color: var(--dark);
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }

        .help-card ul {
            list-style: none;
        }

        .help-card ul li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .help-card ul li:last-child {
            border-bottom: none;
        }

        .help-card strong {
            display: block;
            color: var(--dark);
            margin-bottom: 4px;
        }

        .help-card p {
            font-size: 0.88rem;
            color: var(--text-gray);
        }

        /* 行业资讯/最新文章 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

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

        .article-card:hover {
            border-color: var(--primary);
            box-shadow: 0 6px 15px rgba(0,0,0,0.03);
        }

        .article-meta {
            font-size: 0.8rem;
            color: var(--text-gray);
            margin-bottom: 10px;
        }

        .article-card h3 {
            font-size: 1.05rem;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-card a {
            font-size: 0.85rem;
            color: var(--dark);
            font-weight: bold;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

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

        /* 表单与需求匹配区 */
        .form-section {
            background-color: var(--bg-white);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            display: grid;
            grid-template-columns: 4fr 3fr;
        }

        .form-container {
            padding: 50px;
        }

        .form-info {
            background-color: var(--dark);
            color: var(--bg-white);
            padding: 50px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .form-group label {
            display: block;
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 0.9rem;
        }

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

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: var(--bg-white);
            box-shadow: 0 0 0 3px rgba(252, 209, 22, 0.25);
        }

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

        .info-block h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

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

        .info-contact-item svg {
            color: var(--primary);
            flex-shrink: 0;
        }

        .qr-codes {
            display: flex;
            gap: 20px;
            margin-top: 30px;
        }

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

        .qr-item img {
            width: 100px;
            height: 100px;
            background-color: white;
            padding: 5px;
            border-radius: 8px;
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 0.8rem;
            color: #A0AEC0;
        }

        /* 标签云与友情链接 */
        .footer-links-section {
            background-color: var(--dark-light);
            color: #A0AEC0;
            padding: 50px 0;
            border-top: 1px solid rgba(255,255,255,0.05);
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 40px;
        }

        .tag-item {
            font-size: 0.8rem;
            background-color: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 4px;
            color: #CBD5E0;
        }

        .tag-item:hover {
            background-color: var(--primary);
            color: var(--dark);
        }

        .friend-links {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 30px;
        }

        .friend-links h4 {
            font-size: 0.95rem;
            color: var(--bg-white);
            margin-bottom: 15px;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px 30px;
        }

        .friend-links-list a {
            font-size: 0.85rem;
            color: #A0AEC0;
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #718096;
            padding: 30px 0;
            border-top: 1px solid rgba(255,255,255,0.05);
            font-size: 0.85rem;
            text-align: center;
        }

        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-content p {
            color: #A0AEC0;
        }

        /* 侧边悬浮浮窗 */
        .floating-kf {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .kf-btn {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 10px rgba(0,0,0,0.15);
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

        .kf-btn:hover {
            transform: scale(1.05);
            background-color: var(--bg-white);
        }

        .kf-btn svg {
            width: 24px;
            height: 24px;
            color: var(--dark);
        }

        .kf-panel {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            width: 220px;
            text-align: center;
            display: none;
            flex-direction: column;
            align-items: center;
        }

        .kf-btn:hover .kf-panel {
            display: flex;
        }

        .kf-panel img {
            width: 140px;
            height: 140px;
            margin-bottom: 10px;
        }

        .kf-panel p {
            font-size: 0.8rem;
            color: var(--text-dark);
            margin: 2px 0;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .steps-container, .standards-container, .token-grid, .cases-grid, .reviews-grid, .articles-list {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero h1 {
                font-size: 2.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--bg-white);
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .solutions-showcase, .network-grid, .help-grid, .form-section {
                grid-template-columns: 1fr;
            }
            .stats-grid, .services-grid, .steps-container, .standards-container, .token-grid, .cases-grid, .reviews-grid, .articles-list {
                grid-template-columns: 1fr;
            }
            .form-container, .form-info {
                padding: 30px 20px;
            }
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }