/* 基础与重置 */
        :root {
            --primary: #6366f1;
            --primary-hover: #4f46e5;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray-100: #f1f5f9;
            --gray-200: #e2e8f0;
            --gray-600: #475569;
            --gray-800: #1e293b;
            --accent-cyan: #06b6d4;
            --accent-pink: #ec4899;
            --accent-purple: #a855f7;
            --holo-gradient: linear-gradient(135deg, rgba(236,72,153,0.08) 0%, rgba(168,85,247,0.08) 35%, rgba(6,182,212,0.08) 70%, rgba(99,102,241,0.08) 100%);
            --holo-border: linear-gradient(135deg, #ec4899, #a855f7, #06b6d4, #6366f1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light);
            color: var(--gray-800);
            line-height: 1.6;
            overflow-x: hidden;
            background-image: var(--holo-gradient);
            background-attachment: fixed;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 统一网格布局 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .section-padding {
            padding: 100px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
            position: relative;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-header p {
            color: var(--gray-600);
            font-size: 18px;
            max-width: 700px;
            margin: 0 auto;
        }

        .holo-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 99px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            background: rgba(99, 102, 241, 0.1);
            border: 1px solid rgba(99, 102, 241, 0.2);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        /* 按钮设计 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            outline: none;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--accent-purple));
            color: #fff;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(99, 102, 241, 0.4);
        }

        .btn-secondary {
            background: #fff;
            color: var(--gray-800);
            border: 1px solid var(--gray-200);
        }

        .btn-secondary:hover {
            background: var(--gray-100);
            transform: translateY(-2px);
        }

        .btn-holo {
            position: relative;
            background: #fff;
            color: var(--dark);
            z-index: 1;
            box-shadow: 0 4px 10px rgba(0,0,0,0.05);
        }

        .btn-holo::before {
            content: '';
            position: absolute;
            top: -2px; left: -2px; right: -2px; bottom: -2px;
            background: var(--holo-border);
            border-radius: 14px;
            z-index: -1;
            transition: var(--transition);
        }

        .btn-holo:hover {
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-holo:hover::before {
            filter: brightness(1.1);
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            z-index: 1000;
            transition: var(--transition);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-box {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .logo-box img {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--dark), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--gray-600);
        }

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

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

        /* 首屏 Hero - 无图片 */
        .hero-section {
            padding-top: 180px;
            padding-bottom: 100px;
            position: relative;
            overflow: hidden;
            text-align: center;
        }

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

        .hero-title {
            font-size: 54px;
            font-weight: 850;
            color: var(--dark);
            line-height: 1.15;
            margin-bottom: 24px;
            letter-spacing: -1.5px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--accent-pink), var(--accent-purple), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            position: relative;
        }

        .hero-desc {
            font-size: 20px;
            color: var(--gray-600);
            margin-bottom: 40px;
            max-width: 750px;
            margin-left: auto;
            margin-right: auto;
        }

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

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

        .stat-card {
            background: rgba(255, 255, 255, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: rgba(99, 102, 241, 0.3);
            box-shadow: 0 15px 35px rgba(99, 102, 241, 0.1);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
            background: linear-gradient(135deg, var(--primary), var(--accent-cyan));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 14px;
            color: var(--gray-600);
            font-weight: 500;
        }

        /* 关于我们与平台介绍 */
        .about-section {
            background: rgba(255, 255, 255, 0.5);
            border-top: 1px solid var(--gray-200);
            border-bottom: 1px solid var(--gray-200);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 28px;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-text p {
            color: var(--gray-600);
            margin-bottom: 24px;
            font-size: 16px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            background: #fff;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--gray-100);
        }

        .about-feat-item h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .about-feat-item p {
            font-size: 14px;
            margin-bottom: 0;
            color: var(--gray-600);
        }

        .about-contact-card {
            background: #fff;
            border-radius: 20px;
            padding: 40px;
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
            text-align: center;
        }

        .about-contact-card h4 {
            font-size: 20px;
            margin-bottom: 16px;
        }

        /* 全平台AIGC服务与模型聚合 */
        .services-section {
            position: relative;
        }

        .model-tags-container {
            margin-bottom: 40px;
            text-align: center;
        }

        .model-tags-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--gray-600);
            margin-bottom: 20px;
        }

        .model-tags-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .model-tag {
            background: #fff;
            border: 1px solid var(--gray-200);
            padding: 6px 14px;
            border-radius: 99px;
            font-size: 13px;
            font-weight: 500;
            color: var(--gray-800);
            transition: var(--transition);
        }

        .model-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(99, 102, 241, 0.1);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.7);
            border-radius: 20px;
            padding: 36px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(168, 85, 247, 0.4);
            box-shadow: 0 20px 40px rgba(168, 85, 247, 0.1);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(99,102,241,0.1), rgba(6,182,212,0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--gray-600);
            font-size: 15px;
            margin-bottom: 20px;
        }

        .service-features {
            list-style: none;
            padding-top: 20px;
            border-top: 1px solid var(--gray-100);
        }

        .service-features li {
            font-size: 13px;
            color: var(--gray-600);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-features li::before {
            content: '✓';
            color: var(--accent-cyan);
            font-weight: bold;
        }

        /* 解决方案与制作流程 */
        .solutions-section {
            background: rgba(255,255,255,0.4);
            border-top: 1px solid var(--gray-200);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .solution-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--gray-200);
            transition: var(--transition);
        }

        .solution-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(0,0,0,0.05);
        }

        .solution-card h4 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 12px;
        }

        .solution-card p {
            font-size: 14px;
            color: var(--gray-600);
        }

        /* 标准化AIGC流程 */
        .process-container {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 40px;
            position: relative;
        }

        .process-step {
            background: #fff;
            padding: 30px 20px;
            border-radius: 16px;
            border: 1px solid var(--gray-200);
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .process-step:hover {
            transform: translateY(-5px);
            border-color: var(--accent-purple);
        }

        .step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent-purple));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-weight: 700;
            font-size: 14px;
        }

        .process-step h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 13px;
            color: var(--gray-600);
            line-height: 1.5;
        }

        /* 服务网络与技术标准 */
        .network-section {
            background: #fff;
            border-top: 1px solid var(--gray-200);
            border-bottom: 1px solid var(--gray-200);
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 60px;
            align-items: center;
        }

        .network-regions {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }

        .region-badge {
            background: var(--light);
            border: 1px solid var(--gray-200);
            padding: 12px;
            border-radius: 8px;
            text-align: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--gray-800);
        }

        .tech-standards {
            background: var(--light);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--gray-200);
        }

        .tech-standards h3 {
            font-size: 22px;
            margin-bottom: 20px;
            color: var(--dark);
        }

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

        .tech-list li {
            margin-bottom: 16px;
            font-size: 15px;
            color: var(--gray-600);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .tech-list li strong {
            color: var(--dark);
        }

        /* 对比评测与Token比价 */
        .compare-section {
            position: relative;
        }

        .score-box {
            background: linear-gradient(135deg, rgba(236,72,153,0.05), rgba(168,85,247,0.05));
            border: 1px solid rgba(168,85,247,0.2);
            border-radius: 20px;
            padding: 30px;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .score-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--accent-purple);
            line-height: 1;
            margin-bottom: 8px;
        }

        .score-stars {
            color: #f59e0b;
            font-size: 24px;
            margin-bottom: 8px;
        }

        .compare-table-wrapper {
            width: 100%;
            overflow-x: auto;
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--gray-200);
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

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

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--gray-100);
            font-size: 15px;
        }

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

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

        .compare-table td.highlight {
            background: rgba(99, 102, 241, 0.03);
            font-weight: 600;
            color: var(--primary);
        }

        /* Token 比价 */
        .token-price-box {
            margin-top: 50px;
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--gray-200);
        }

        .token-price-box h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--dark);
        }

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

        .price-card {
            background: var(--light);
            border-radius: 12px;
            padding: 20px;
            border: 1px solid var(--gray-100);
        }

        .price-card h4 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .price-val {
            font-size: 22px;
            font-weight: 700;
            color: var(--accent-cyan);
        }

        .price-val span {
            font-size: 12px;
            color: var(--gray-600);
            font-weight: 400;
        }

        /* 职业技术培训 */
        .training-section {
            background: rgba(255, 255, 255, 0.5);
            border-top: 1px solid var(--gray-200);
            border-bottom: 1px solid var(--gray-200);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .training-card {
            background: #fff;
            border-radius: 16px;
            padding: 24px;
            border: 1px solid var(--gray-200);
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(99, 102, 241, 0.1);
        }

        .training-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 18px;
            font-weight: bold;
        }

        .training-card h4 {
            font-size: 15px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .training-card p {
            font-size: 12px;
            color: var(--gray-600);
        }

        /* 案例与作品展示 (包含特定图片) */
        .case-section {
            position: relative;
        }

        .case-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            margin-bottom: 60px;
        }

        .case-showcase-item {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--gray-200);
            box-shadow: 0 15px 35px rgba(0,0,0,0.03);
        }

        .case-img-box {
            position: relative;
            width: 100%;
            overflow: hidden;
            background: #f1f5f9;
        }

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

        .case-showcase-item:hover .case-img-box img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 30px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 4px;
            background: var(--light);
            border: 1px solid var(--gray-200);
            font-size: 12px;
            font-weight: 600;
            color: var(--gray-600);
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 14px;
            color: var(--gray-600);
        }

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

        .gallery-item {
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--gray-200);
            background: #fff;
        }

        .gallery-item img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
        }

        .gallery-desc {
            padding: 12px;
            font-size: 13px;
            color: var(--gray-800);
            font-weight: 500;
            text-align: center;
        }

        /* 评论板块 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 50px;
        }

        .review-card {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--gray-200);
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
            position: relative;
        }

        .review-quote {
            font-size: 15px;
            color: var(--gray-600);
            margin-bottom: 24px;
            line-height: 1.6;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--gray-100);
            padding-top: 16px;
        }

        .user-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 14px;
        }

        .user-info h5 {
            font-size: 14px;
            color: var(--dark);
            font-weight: 700;
        }

        .user-info p {
            font-size: 12px;
            color: var(--primary);
            margin-bottom: 0;
        }

        /* 知识库与文章 */
        .kb-section {
            background: rgba(255, 255, 255, 0.4);
            border-top: 1px solid var(--gray-200);
        }

        .kb-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

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

        .article-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--gray-200);
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: var(--transition);
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .article-card h4 {
            font-size: 18px;
            color: var(--dark);
        }

        .article-card a {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

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

        .terms-box {
            background: #fff;
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--gray-200);
        }

        .terms-box h3 {
            font-size: 20px;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .term-item {
            margin-bottom: 16px;
        }

        .term-item strong {
            color: var(--primary);
            display: block;
            margin-bottom: 4px;
            font-size: 14px;
        }

        .term-item p {
            font-size: 13px;
            color: var(--gray-600);
        }

        /* 常见问题与自助排查 */
        .faq-section {
            position: relative;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--gray-200);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-trigger {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            text-align: left;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
        }

        .faq-trigger::after {
            content: '+';
            font-size: 22px;
            color: var(--gray-600);
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: 0 4px 20px rgba(99, 102, 241, 0.05);
        }

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

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .faq-content p {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--gray-600);
            line-height: 1.6;
        }

        .troubleshoot-card {
            background: linear-gradient(135deg, var(--dark), var(--gray-800));
            color: #fff;
            border-radius: 20px;
            padding: 40px;
            height: fit-content;
        }

        .troubleshoot-card h3 {
            font-size: 22px;
            margin-bottom: 20px;
            color: #fff;
        }

        .troubleshoot-steps {
            list-style: none;
        }

        .troubleshoot-steps li {
            margin-bottom: 20px;
            font-size: 14px;
            display: flex;
            gap: 12px;
        }

        .troubleshoot-steps li span {
            width: 24px;
            height: 24px;
            background: rgba(255,255,255,0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 12px;
            flex-shrink: 0;
        }

        /* 联系与表单 */
        .contact-section {
            background: #fff;
            border-top: 1px solid var(--gray-200);
            border-bottom: 1px solid var(--gray-200);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
        }

        .form-card {
            background: var(--light);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--gray-200);
        }

        .form-card h3 {
            font-size: 24px;
            margin-bottom: 24px;
            color: var(--dark);
        }

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

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--gray-800);
            margin-bottom: 8px;
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--gray-200);
            background: #fff;
            font-size: 14px;
            color: var(--dark);
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
        }

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

        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .info-block h4 {
            font-size: 20px;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .info-block p {
            font-size: 15px;
            color: var(--gray-600);
            margin-bottom: 8px;
        }

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

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

        .qr-item img {
            width: 130px;
            height: 130px;
            border: 1px solid var(--gray-200);
            border-radius: 8px;
            margin-bottom: 8px;
            padding: 6px;
            background: #fff;
        }

        .qr-item p {
            font-size: 13px;
            color: var(--gray-800);
            font-weight: 500;
        }

        /* 友情链接与页脚 */
        footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.05);
            padding-bottom: 40px;
        }

        .footer-brand h4 {
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }

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

        .footer-links h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
        }

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

        .footer-links a {
            color: #94a3b8;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px 20px;
        }

        .friend-links a {
            color: #94a3b8;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: #64748b;
            font-size: 13px;
        }

        .footer-bottom a {
            color: #64748b;
        }

        .footer-bottom a:hover {
            color: #94a3b8;
        }

        /* 悬浮客服 */
        .float-contact {
            position: fixed;
            bottom: 40px;
            right: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--gray-200);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            border-color: var(--primary);
        }

        .float-btn svg {
            width: 22px;
            height: 22px;
            fill: var(--primary);
        }

        .float-qr-pop {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            border: 1px solid var(--gray-200);
            border-radius: 12px;
            padding: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            text-align: center;
            opacity: 0;
            pointer-events: none;
            transform: translateY(10px);
            transition: var(--transition);
            width: 160px;
        }

        .float-qr-pop img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .float-qr-pop p {
            font-size: 12px;
            color: var(--dark);
            margin: 0;
        }

        .float-btn:hover .float-qr-pop {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-container {
                grid-template-columns: repeat(3, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .reviews-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .network-grid, .kb-grid, .faq-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 38px;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--gray-200);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .services-grid, .solutions-grid, .reviews-grid, .training-grid {
                grid-template-columns: 1fr;
            }
            .case-showcase {
                grid-template-columns: 1fr;
            }
            .gallery-grid {
                grid-template-columns: 1fr 1fr;
            }
            .price-grid {
                grid-template-columns: 1fr;
            }
            .process-container {
                grid-template-columns: 1fr;
            }
            .hero-stats {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }