:root {
            --primary: #3b82f6;
            --primary-dark: #1d4ed8;
            --primary-light: #eff6ff;
            --accent: #10b981;
            --accent-light: #ecfdf5;
            --text-dark: #0f172a;
            --text-gray: #475569;
            --text-light: #94a3b8;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --border-color: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.05), 0 4px 6px -2px rgba(0,0,0,0.02);
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font-family);
            color: var(--text-dark);
            background-color: var(--bg-light);
        }

        body {
            line-height: 1.6;
        }

        .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);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-color);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: all 0.3s ease;
        }

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

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

        .ai-page-logo {
            max-height: 45px;
            width: auto;
            object-fit: contain;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.5px;
        }

        nav {
            display: flex;
            align-items: center;
            gap: 25px;
        }

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

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .ai-page-home-link {
            text-decoration: none;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            border: 1.5px solid var(--primary);
            padding: 6px 16px;
            border-radius: 6px;
            transition: all 0.2s ease;
        }

        .ai-page-home-link:hover {
            background-color: var(--primary);
            color: #ffffff;
        }

        /* 移动端菜单开关 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
            border: none;
            background: none;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-dark);
            transition: all 0.3s ease;
        }

        /* Hero首屏 - 无图片设计，高亮度，科技感 */
        .hero {
            padding: 160px 0 80px 0;
            background: radial-gradient(circle at 80% 20%, var(--primary-light) 0%, transparent 60%), var(--bg-white);
            border-bottom: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(var(--accent-light) 0%, transparent 70%);
            top: 60%;
            left: -100px;
            z-index: 1;
            opacity: 0.6;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 850px;
            margin: 0 auto;
        }

        .badge-premium {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 24px;
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

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

        .hero-title span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-gray);
            margin-bottom: 35px;
            line-height: 1.6;
        }

        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 45px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 8px;
            transition: all 0.3s ease;
            text-decoration: none;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 12px rgba(59, 130, 246, 0.25);
        }

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

        .btn-outline {
            background-color: transparent;
            color: var(--text-dark);
            border: 2px solid var(--border-color);
        }

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

        /* 快捷特征标志 */
        .hero-features {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }

        .hero-feat-card {
            background-color: var(--bg-white);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            text-align: left;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .hero-feat-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .hero-feat-title {
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 5px;
            font-size: 1rem;
        }

        .hero-feat-desc {
            font-size: 0.85rem;
            color: var(--text-gray);
        }

        /* 通用栏目 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-title-wrapper {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px auto;
        }

        .section-tag {
            color: var(--primary);
            font-weight: 700;
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            display: block;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 15px;
        }

        .section-subtitle {
            color: var(--text-gray);
            font-size: 0.95rem;
        }

        /* 关于我们与技术标准联合板块 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

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

        .tech-list {
            margin-top: 30px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .tech-item {
            background-color: var(--bg-light);
            padding: 15px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
        }

        .tech-item h4 {
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 4px;
        }

        .tech-item p {
            font-size: 0.8rem;
            color: var(--text-gray);
            margin: 0;
        }

        /* 服务与产品体系 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.3s ease;
            box-shadow: var(--shadow-sm);
        }

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

        .service-icon {
            width: 48px;
            height: 48px;
            background-color: var(--primary-light);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

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

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

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

        /* 全自动AIGC制作流程与标准化全流程 */
        .timeline-wrapper {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline-item {
            position: relative;
            padding-left: 40px;
            padding-bottom: 40px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: 15px;
            top: 0;
            bottom: 0;
            width: 2px;
            background-color: var(--border-color);
        }

        .timeline-item:last-child::before {
            display: none;
        }

        .timeline-badge {
            position: absolute;
            left: 6px;
            top: 0;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 4px solid var(--bg-light);
        }

        .timeline-content {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
        }

        .timeline-title {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .timeline-desc {
            font-size: 0.9rem;
            color: var(--text-gray);
        }

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

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

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

        .solution-info {
            padding: 30px;
            flex: 1;
        }

        .solution-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

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

        .solution-points {
            list-style: none;
        }

        .solution-points li {
            position: relative;
            padding-left: 20px;
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 8px;
        }

        .solution-points li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        /* 全国服务网络 */
        .network-section {
            background: linear-gradient(180deg, var(--bg-light) 0%, var(--bg-white) 100%);
            text-align: center;
        }

        .network-stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .network-stat {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 25px;
            border-radius: 8px;
            box-shadow: var(--shadow-sm);
        }

        .network-stat-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .network-stat-label {
            font-size: 0.9rem;
            color: var(--text-gray);
            font-weight: 600;
        }

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

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

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

        .case-image-wrapper {
            position: relative;
            background-color: var(--bg-light);
            display: flex;
            justify-content: center;
            align-items: center;
            overflow: hidden;
        }

        .case-image-wrapper .ai-page-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .case-card:hover .ai-page-image {
            transform: scale(1.05);
        }

        .case-content {
            padding: 20px;
        }

        .case-tag {
            background-color: var(--accent-light);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 12px;
        }

        .case-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

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

        /* 对比评测 */
        .comparison-wrapper {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .comp-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-color);
            padding-bottom: 25px;
            margin-bottom: 25px;
        }

        .comp-rating {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .comp-stars {
            color: #fbbf24;
            font-size: 1.5rem;
        }

        .comp-score {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .comp-score span {
            font-size: 1rem;
            color: var(--text-light);
            font-weight: 500;
        }

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

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

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

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

        .comp-table td strong {
            color: var(--primary);
        }

        .badge-advantage {
            background-color: var(--accent-light);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        /* Token比价与价格体系 */
        .token-pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

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

        .price-card.popular {
            border: 2px solid var(--primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
        }

        .popular-badge {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--primary);
            color: #ffffff;
            padding: 3px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
        }

        .price-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .price-amount {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        .price-unit {
            font-size: 0.85rem;
            color: var(--text-light);
            margin-bottom: 25px;
        }

        .price-features {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .price-features li {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 12px;
            padding-left: 20px;
            position: relative;
        }

        .price-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 职业技术与AI培训 */
        .training-section {
            background-color: var(--bg-white);
        }

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

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

        .training-box h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--primary);
        }

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

        .course-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: border-color 0.2s;
        }

        .course-item:hover {
            border-color: var(--primary);
        }

        .course-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 4px;
        }

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

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

        /* FAQ与帮助中心 */
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1.8fr;
            gap: 50px;
        }

        .faq-sidebar {
            background-color: var(--bg-light);
            padding: 30px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            align-self: flex-start;
        }

        .faq-sidebar h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .faq-sidebar p {
            font-size: 0.9rem;
            color: var(--text-gray);
            margin-bottom: 25px;
        }

        .faq-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.2s ease;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 18px 20px;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-dark);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            outline: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.2rem;
            color: var(--text-light);
            transition: transform 0.2s;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.25s ease-out;
            background-color: var(--bg-light);
        }

        .faq-answer-content {
            padding: 15px 20px;
            font-size: 0.9rem;
            color: var(--text-gray);
            border-top: 1px solid var(--border-color);
        }

        /* 术语百科与自助排查 */
        .wiki-section {
            background-color: var(--bg-white);
        }

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

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

        .wiki-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--primary-light);
            padding-bottom: 10px;
        }

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

        .wiki-item dt {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .wiki-item dd {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-left: 0;
        }

        /* 用户评论 */
        .reviews-section {
            background-color: var(--bg-light);
        }

        .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);
            border-radius: 12px;
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }

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

        .review-avatar-placeholder {
            width: 44px;
            height: 44px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
        }

        .review-meta h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 2px;
        }

        .review-meta p {
            font-size: 0.75rem;
            color: var(--text-light);
        }

        .review-text {
            font-size: 0.85rem;
            color: var(--text-gray);
            font-style: italic;
        }

        /* 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .news-image {
            height: 180px;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
        }

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

        .news-content {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-title {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-title a {
            color: var(--text-dark);
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-gray);
            margin-bottom: 15px;
            flex-grow: 1;
        }

        .news-footer {
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-color);
            padding-top: 10px;
            margin-top: auto;
        }

        /* 智能需求匹配与联系我们表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info-box {
            background-color: var(--primary-light);
            border-radius: 16px;
            padding: 40px;
            border: 1px solid rgba(59, 130, 246, 0.1);
        }

        .contact-info-box h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 25px;
        }

        .contact-method {
            margin-bottom: 25px;
        }

        .contact-method h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 5px;
        }

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

        .qr-area {
            margin-top: 30px;
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .qr-card {
            background: var(--bg-white);
            padding: 10px;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            text-align: center;
            width: 130px;
        }

        .qr-card img {
            width: 100%;
            height: auto;
            border-radius: 4px;
        }

        .qr-card span {
            font-size: 0.75rem;
            color: var(--text-gray);
            display: block;
            margin-top: 5px;
            font-weight: 600;
        }

        .form-box {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 40px;
            box-shadow: var(--shadow-md);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-label {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-dark);
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            outline: none;
            font-family: inherit;
            font-size: 0.9rem;
            transition: border-color 0.2s;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--primary);
        }

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

        /* 友情链接与页脚 */
        footer {
            background-color: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            font-size: 0.85rem;
            border-top: 1px solid #1e293b;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand h4 {
            color: #ffffff;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

        .footer-col h5 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .friend-links-area {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            margin-top: 25px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links-area span {
            font-weight: 700;
            color: #ffffff;
        }

        .friend-links-area a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.8rem;
            transition: color 0.2s;
        }

        .friend-links-area a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 25px;
            text-align: center;
            font-size: 0.8rem;
        }

        /* 侧边悬浮窗口 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--primary);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            position: relative;
            text-decoration: none;
            transition: all 0.3s;
        }

        .float-btn:hover {
            background-color: var(--primary-dark);
            transform: scale(1.05);
        }

        .float-btn-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            padding: 12px;
            border-radius: 8px;
            box-shadow: var(--shadow-lg);
            display: none;
            text-align: center;
            width: 140px;
        }

        .float-btn-qr img {
            width: 100%;
            height: auto;
            border-radius: 4px;
        }

        .float-btn-qr span {
            font-size: 0.7rem;
            color: var(--text-dark);
            font-weight: 600;
            display: block;
            margin-top: 6px;
        }

        .float-btn:hover .float-btn-qr {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero-title { font-size: 2.5rem; }
            .hero-features { grid-template-columns: repeat(2, 1fr); }
            .services-grid, .cases-grid, .token-pricing-grid, .reviews-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
            .about-grid, .solutions-grid, .training-grid, .faq-layout, .wiki-grid, .contact-layout { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .menu-toggle { display: flex; }
            nav {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: var(--bg-white);
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                gap: 15px;
                box-shadow: var(--shadow-md);
            }
            nav.active { display: flex; }
            .hero-title { font-size: 2rem; }
            .hero-features { grid-template-columns: 1fr; }
            .services-grid, .cases-grid, .token-pricing-grid, .reviews-grid, .news-grid { grid-template-columns: 1fr; }
            .network-stat-grid { grid-template-columns: repeat(2, 1fr); }
            .form-grid { grid-template-columns: 1fr; }
            .form-group.full-width { grid-column: span 1; }
            .footer-grid { grid-template-columns: 1fr; }
            .comp-header { flex-direction: column; gap: 15px; align-items: flex-start; }
        }