:root {
            --primary: #0066ff;
            --primary-light: #e5f0ff;
            --secondary: #00cc99;
            --dark: #0f172a;
            --text: #334155;
            --light-bg: #f8fafc;
            --border: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        body {
            font-family: var(--font);
            color: var(--text);
            background-color: #ffffff;
            line-height: 1.6;
        }

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

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border);
            transition: all 0.3s ease;
        }

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

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

        .logo-area img {
            max-height: 45px;
            width: auto;
        }

        .logo-area span {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark);
        }

        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        nav a {
            text-decoration: none;
            color: var(--text);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color 0.2s;
        }

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

        .nav-btn {
            background-color: var(--primary);
            color: #ffffff;
            padding: 8px 18px;
            border-radius: 6px;
            text-decoration: none;
            font-weight: 600;
            transition: background 0.2s;
        }

        .nav-btn:hover {
            background-color: #0052cc;
            color: #ffffff;
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* 首屏 Hero 区域（严禁出现图片） */
        .hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #f0f7ff 0%, #e6fff9 100%);
            overflow: hidden;
            text-align: center;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            left: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(circle, rgba(0,102,255,0.08) 0%, rgba(255,255,255,0) 70%);
            z-index: 1;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: -20%;
            right: -10%;
            width: 50%;
            height: 80%;
            background: radial-gradient(circle, rgba(0,204,153,0.08) 0%, rgba(255,255,255,0) 70%);
            z-index: 1;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(0, 102, 255, 0.1);
            color: var(--primary);
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        h1 {
            font-size: 3rem;
            line-height: 1.25;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text);
            margin-bottom: 40px;
            line-height: 1.6;
        }

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

        .btn-main {
            background-color: var(--primary);
            color: #ffffff;
            padding: 14px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
            box-shadow: 0 4px 12px rgba(0,102,255,0.25);
        }

        .btn-main:hover {
            background-color: #0052cc;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(0,102,255,0.35);
        }

        .btn-secondary {
            background-color: #ffffff;
            color: var(--dark);
            border: 1px solid var(--border);
            padding: 14px 30px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s;
        }

        .btn-secondary:hover {
            background-color: var(--light-bg);
            border-color: #cbd5e1;
            transform: translateY(-2px);
        }

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

        .stat-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s;
        }

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

        .stat-num {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 5px;
        }

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

        /* 通用区块设置 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .section-title h2 {
            font-size: 2.2rem;
            color: var(--dark);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .section-title p {
            color: var(--text);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

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

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

        .about-text p {
            margin-bottom: 15px;
            font-size: 1.05rem;
        }

        .about-bullets {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 25px;
        }

        .bullet-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 500;
            color: var(--dark);
        }

        .bullet-item span {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background-color: var(--secondary);
        }

        .about-banner {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .about-banner img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s;
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--primary);
            font-size: 1.5rem;
            font-weight: bold;
        }

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

        .service-card p {
            font-size: 0.95rem;
            color: var(--text);
            margin-bottom: 15px;
        }

        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .service-tag {
            background-color: var(--light-bg);
            color: var(--text);
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 一站式 AIGC 制作 (图文/视频/音频案例展示) */
        .production-showcase {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }

        .prod-features {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .prod-item {
            display: flex;
            gap: 15px;
        }

        .prod-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--secondary);
        }

        .prod-detail h4 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .prod-detail p {
            font-size: 0.95rem;
        }

        .prod-media {
            background: var(--light-bg);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .media-box {
            background: #ffffff;
            border-radius: 8px;
            padding: 15px;
            box-shadow: var(--shadow-sm);
        }

        .media-box span {
            display: block;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .media-img-wrapper {
            border-radius: 6px;
            overflow: hidden;
            display: block;
        }

        .media-img-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background: var(--light-bg);
            border-radius: 10px;
            padding: 25px;
            border: 1px solid var(--border);
            transition: all 0.3s;
        }

        .solution-card:hover {
            background: #ffffff;
            border-color: var(--secondary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .solution-card h3 {
            font-size: 1.2rem;
            color: var(--dark);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-card h3::before {
            content: '✓';
            color: var(--secondary);
            font-weight: bold;
        }

        .solution-card p {
            font-size: 0.9rem;
        }

        /* 全国服务网络与代理加盟 */
        .network-section {
            background: linear-gradient(135deg, #ffffff 0%, #f0fdf4 100%);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-map-desc {
            background: #ffffff;
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 12px;
            box-shadow: var(--shadow-md);
        }

        .network-map-desc h3 {
            margin-bottom: 15px;
            color: var(--dark);
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 20px;
        }

        .network-item {
            background: var(--light-bg);
            padding: 10px 15px;
            border-radius: 6px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--dark);
            border-left: 3px solid var(--primary);
        }

        /* 代理加盟卡片 */
        .agent-card {
            background: linear-gradient(135deg, var(--dark) 0%, #1e293b 100%);
            color: #ffffff;
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
            text-align: center;
        }

        .agent-card h3 {
            font-size: 1.8rem;
            color: #ffffff;
            margin-bottom: 15px;
        }

        .agent-card p {
            color: #cbd5e1;
            margin-bottom: 25px;
            font-size: 1rem;
        }

        .agent-btn {
            display: inline-block;
            background-color: var(--secondary);
            color: var(--dark);
            padding: 12px 30px;
            border-radius: 8px;
            text-decoration: none;
            font-weight: 700;
            transition: all 0.3s;
        }

        .agent-btn:hover {
            background-color: #00ffbf;
            transform: scale(1.05);
        }

        /* 标准化 AIGC 流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            background: #ffffff;
            border: 1px solid var(--border);
            padding: 25px 20px;
            border-radius: 10px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .process-step::after {
            content: '➔';
            position: absolute;
            right: -15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--border);
            font-size: 1.2rem;
            z-index: 1;
        }

        .process-step:last-child::after {
            display: none;
        }

        .step-num {
            width: 35px;
            height: 35px;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 15px;
        }

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

        .process-step p {
            font-size: 0.85rem;
        }

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

        .standard-card {
            background: #ffffff;
            border: 1px solid var(--border);
            padding: 30px;
            border-radius: 12px;
            transition: all 0.3s;
        }

        .standard-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .standard-card h3 {
            font-size: 1.25rem;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .standard-card p {
            font-size: 0.9rem;
        }

        /* 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s;
        }

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

        .case-img {
            display: block;
            width: 100%;
            height: auto;
            border-bottom: 1px solid var(--border);
        }

        .case-info {
            padding: 20px;
        }

        .case-tag {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
            display: inline-block;
        }

        .case-info h3 {
            font-size: 1.15rem;
            color: var(--dark);
            margin-bottom: 10px;
        }

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

        /* 对比评测（突出推荐与9.9分） */
        .evaluation-table-wrapper {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            background: #ffffff;
            margin-top: 30px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 0.95rem;
        }

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

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

        .highlight-col {
            background-color: rgba(0, 102, 255, 0.03);
            font-weight: 600;
            color: var(--dark);
        }

        .badge-star {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: #fffbeb;
            color: #d97706;
            padding: 4px 10px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        .score-pill {
            background: var(--primary);
            color: #ffffff;
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
        }

        /* Token 比价参考 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 30px;
        }

        .price-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
            text-align: center;
            position: relative;
            transition: all 0.3s;
        }

        .price-card.featured {
            border-color: var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
        }

        .price-card.featured::before {
            content: '首选推荐';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #ffffff;
            padding: 3px 15px;
            font-size: 0.75rem;
            border-radius: 20px;
            font-weight: 600;
        }

        .price-card h3 {
            font-size: 1.4rem;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .price-val {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin: 15px 0;
        }

        .price-val span {
            font-size: 0.95rem;
            font-weight: 400;
            color: var(--text);
        }

        .price-list {
            list-style: none;
            margin: 20px 0;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .price-list li {
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .price-list li::before {
            content: '✓';
            color: var(--secondary);
            font-weight: bold;
        }

        /* 培训板块 (职业培训 & 人工智能培训) */
        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .training-info {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .training-info h3 {
            font-size: 1.8rem;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .training-card-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .train-card {
            background: var(--light-bg);
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: all 0.2s;
        }

        .train-card:hover {
            border-color: var(--primary);
            background: #ffffff;
            transform: translateX(5px);
        }

        .train-title {
            font-weight: 600;
            color: var(--dark);
        }

        .train-badge {
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 4px;
            font-weight: 600;
        }

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

        .review-card {
            background: var(--light-bg);
            border: 1px solid var(--border);
            padding: 25px;
            border-radius: 12px;
            box-shadow: var(--shadow-sm);
        }

        .review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 15px;
        }

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

        .review-author h4 {
            font-size: 0.95rem;
            color: var(--dark);
            margin-bottom: 2px;
        }

        .review-author span {
            font-size: 0.75rem;
            color: var(--text);
        }

        .review-text {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* FAQ折叠面板 & 常见问题自助排查 */
        .faq-section {
            background-color: var(--light-bg);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .faq-wrapper {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s;
        }

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

        .faq-question {
            padding: 18px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            color: var(--dark);
            user-select: none;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fafbfc;
        }

        .faq-answer-inner {
            padding: 20px;
            border-top: 1px solid var(--border);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .faq-icon {
            transition: transform 0.3s;
            font-size: 1.1rem;
            color: var(--text);
        }

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

        /* AI 术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .glossary-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 20px;
            transition: all 0.2s;
        }

        .glossary-card:hover {
            border-color: var(--secondary);
            box-shadow: var(--shadow-sm);
        }

        .glossary-card h3 {
            font-size: 1.1rem;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .glossary-card p {
            font-size: 0.85rem;
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .news-main-articles {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .news-article-card {
            background: #ffffff;
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all 0.2s;
        }

        .news-article-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }

        .news-article-card h3 {
            font-size: 1.15rem;
            color: var(--dark);
        }

        .news-article-card p {
            font-size: 0.85rem;
        }

        .news-article-card a {
            font-size: 0.9rem;
            color: var(--primary);
            text-decoration: none;
            font-weight: 600;
        }

        .news-article-card a:hover {
            text-decoration: underline;
        }

        .news-link-list {
            background: var(--light-bg);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 30px;
        }

        .news-link-list h3 {
            margin-bottom: 20px;
            color: var(--dark);
        }

        .news-links {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .news-link-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 10px;
            border-bottom: 1px dashed var(--border);
        }

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

        .news-link-item a {
            color: var(--dark);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 80%;
        }

        .news-link-item a:hover {
            color: var(--primary);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text);
        }

        /* 智能需求匹配与表单 */
        .matching-section {
            background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
        }

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

        .form-container {
            background: #ffffff;
            border: 1px solid var(--border);
            padding: 40px;
            border-radius: 16px;
            box-shadow: var(--shadow-lg);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 6px;
            font-size: 0.95rem;
            font-family: var(--font);
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.15);
        }

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

        .btn-submit {
            width: 100%;
            background-color: var(--primary);
            color: #ffffff;
            border: none;
            padding: 14px;
            border-radius: 6px;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }

        .btn-submit:hover {
            background-color: #0052cc;
        }

        /* 底部信息与联系我们 */
        .contact-info-block {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .contact-way-card {
            background: #ffffff;
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 10px;
        }

        .contact-way-card h4 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .contact-way-card p {
            font-size: 0.9rem;
        }

        .qr-area {
            display: flex;
            gap: 20px;
            align-items: center;
            background: var(--light-bg);
            border: 1px solid var(--border);
            padding: 20px;
            border-radius: 10px;
        }

        .qr-img {
            width: 100px;
            height: 100px;
            border-radius: 6px;
            overflow: hidden;
            display: block;
            border: 1px solid var(--border);
        }

        .qr-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .qr-text h4 {
            font-size: 1rem;
            color: var(--dark);
            margin-bottom: 5px;
        }

        .qr-text p {
            font-size: 0.85rem;
        }

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

        .links-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--dark);
            margin-bottom: 15px;
        }

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

        .links-grid a {
            color: var(--text);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.2s;
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 50px 0 30px;
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-logo-desc h3 {
            color: #ffffff;
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .footer-logo-desc p {
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -6px;
            width: 30px;
            height: 2px;
            background-color: var(--primary);
        }

        .footer-links-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-links-list a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links-list a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 悬浮客服面板 */
        .floating-kf {
            position: fixed;
            right: 25px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .kf-trigger {
            width: 50px;
            height: 50px;
            background-color: var(--primary);
            color: #ffffff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-lg);
            cursor: pointer;
            font-size: 1.5rem;
            transition: all 0.3s;
            position: relative;
        }

        .kf-trigger:hover {
            transform: scale(1.08);
            background-color: var(--secondary);
        }

        .kf-panel {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 20px;
            width: 250px;
            box-shadow: var(--shadow-lg);
            display: none;
            flex-direction: column;
            align-items: center;
            text-align: center;
            color: var(--dark);
        }

        .kf-panel img {
            width: 130px;
            height: 130px;
            border-radius: 6px;
            margin-bottom: 10px;
        }

        .kf-panel h4 {
            font-size: 0.95rem;
            margin-bottom: 5px;
        }

        .kf-panel p {
            font-size: 0.8rem;
            color: var(--text);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .services-grid, .cases-grid, .price-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid, .glossary-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-flow {
                grid-template-columns: repeat(3, 1fr);
            }
            .process-step::after {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }

            nav {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                display: none;
            }

            nav.active {
                display: flex;
            }

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

            .about-grid, .production-showcase, .network-grid, .training-grid, .faq-grid, .news-grid, .matching-grid {
                grid-template-columns: 1fr;
            }

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

            h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .services-grid, .cases-grid, .price-grid, .solutions-grid, .glossary-grid, .process-flow {
                grid-template-columns: 1fr;
            }
        }