:root {
            --primary: #ff007f; /* 潮流粉 */
            --secondary: #7b2cbf; /* 电光紫 */
            --accent: #00f5d4; /* 荧光青 */
            --dark: #0f0c1b;
            --text-main: #1d1b26;
            --text-muted: #5e5a75;
            --bg-light: #f7f6fa;
            --bg-card: #ffffff;
            --border-color: #e5e2f0;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

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

        .ai-page-logo {
            height: 40px;
            width: auto;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
            list-style: none;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition);
            padding: 5px 10px;
            border-radius: 6px;
        }

        .nav-menu a:hover {
            color: var(--primary);
            background: rgba(255, 0, 127, 0.05);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff !important;
            padding: 8px 18px !important;
            border-radius: 50px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(255, 0, 127, 0.2);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 0, 127, 0.3);
        }

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

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

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(123, 44, 191, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 0, 127, 0.08) 0%, transparent 50%),
                        var(--bg-light);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 潮酷几何光效背景线 */
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 180deg at 50% 50%, transparent 0deg, rgba(255, 0, 127, 0.03) 120deg, transparent 180deg);
            animation: rotateBg 20s linear infinite;
            z-index: 1;
            pointer-events: none;
        }

        @keyframes rotateBg {
            100% { transform: rotate(360deg); }
        }

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

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 20px;
            border: 1px solid rgba(255, 0, 127, 0.2);
        }

        .hero h1 {
            font-size: 3.2rem;
            font-weight: 850;
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(135deg, var(--text-main) 30%, var(--secondary) 70%, var(--primary) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: -1px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-btns {
            display: flex;
            gap: 15px;
            justify-content: center;
            align-items: center;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.25);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.35);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-main);
            padding: 15px 35px;
            border-radius: 50px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .btn-secondary:hover {
            background: var(--bg-light);
            transform: translateY(-3px);
        }

        /* 平台核心指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 60px;
        }

        .stat-card {
            background: var(--bg-card);
            padding: 25px 20px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.1);
        }

        .stat-card h3 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 统一卡片与布局样式 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 55px;
        }

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

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        /* 关于我们 */
        .about-box {
            background: var(--bg-card);
            border-radius: 24px;
            padding: 45px;
            border: 1px solid var(--border-color);
            box-shadow: 0 15px 40px rgba(0,0,0,0.02);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }

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

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
            line-height: 1.8;
        }

        .highlight-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 25px;
        }

        .tag-pill {
            background: rgba(123, 44, 191, 0.06);
            color: var(--secondary);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(123, 44, 191, 0.1);
        }

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

        .feat-item {
            background: var(--bg-light);
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .feat-item h4 {
            font-size: 1.1rem;
            margin-bottom: 8px;
            color: var(--secondary);
        }

        .feat-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 3. 全平台AIGC服务 + 4. 一站式AIGC制作 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 35px 25px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: linear-gradient(to bottom, var(--primary), var(--secondary));
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(123, 44, 191, 0.08);
            border-color: rgba(123, 44, 191, 0.2);
        }

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

        .service-icon {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.1), rgba(123, 44, 191, 0.1));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 15px;
        }

        .model-list {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .model-tag {
            background: #f1f0f7;
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
            color: var(--text-main);
            font-weight: 500;
        }

        /* 智能多帧/无限画布专区 */
        .feature-showcase {
            background: #fff;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            margin-top: 50px;
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .showcase-text h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
        }

        .showcase-text ul {
            list-style: none;
            margin-top: 20px;
        }

        .showcase-text li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            color: var(--text-muted);
        }

        .showcase-text li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
            background: var(--dark);
            width: 18px;
            height: 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 10px;
        }

        .model-pool {
            background: var(--dark);
            border-radius: 16px;
            padding: 30px;
            color: #fff;
        }

        .model-pool h4 {
            color: var(--accent);
            margin-bottom: 15px;
            font-size: 1.1rem;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

        .pool-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .pool-tag {
            background: rgba(255,255,255,0.1);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.8rem;
            transition: var(--transition);
        }

        .pool-tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* 5. 全行业解决方案 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.05);
        }

        .solution-card h3 {
            font-size: 1.2rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .solution-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 6. 全国服务网络 */
        .network-section {
            background: var(--bg-card);
        }

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

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

        .network-item {
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
        }

        .network-item h4 {
            color: var(--secondary);
            margin-bottom: 6px;
        }

        .network-item p {
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .map-mockup {
            background: linear-gradient(135deg, var(--dark) 0%, #1e1735 100%);
            border-radius: 20px;
            height: 350px;
            position: relative;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 15px 35px rgba(0,0,0,0.15);
        }

        .map-dot {
            position: absolute;
            width: 12px;
            height: 12px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulseDot 2s infinite;
        }

        @keyframes pulseDot {
            0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0.7); }
            70% { transform: scale(1.5); box-shadow: 0 0 0 10px rgba(0, 245, 212, 0); }
            100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(0, 245, 212, 0); }
        }

        /* 7. 标准化AIGC流程 + 8. 技术标准 */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
        }

        .process-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            font-weight: 800;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            box-shadow: 0 4px 10px rgba(255, 0, 127, 0.2);
        }

        .process-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .process-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* 9. 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 30px;
        }

        .case-card {
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.06);
        }

        .case-image-wrapper {
            width: 100%;
            height: 260px;
            overflow: hidden;
            background: #eee;
        }

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

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

        .case-info {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            background: rgba(255, 0, 127, 0.1);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: bold;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
        }

        .case-info h3 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 0.88rem;
            color: var(--text-muted);
        }

        .case-grid-small {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .case-card-small {
            display: flex;
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            height: calc(50% - 15px);
        }

        .case-small-img {
            width: 150px;
            min-width: 150px;
            height: 100%;
            background: #eee;
        }

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

        .case-small-info {
            padding: 20px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        /* 10. 对比评测 */
        .rating-box {
            background: linear-gradient(135deg, var(--dark) 0%, #17112c 100%);
            border-radius: 24px;
            padding: 40px;
            color: #fff;
            margin-bottom: 50px;
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 40px;
            align-items: center;
        }

        .rating-score {
            text-align: center;
            border-right: 1px solid rgba(255,255,255,0.1);
            padding-right: 40px;
        }

        .score-num {
            font-size: 5rem;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
        }

        .stars {
            font-size: 1.5rem;
            color: #ffd166;
            margin: 10px 0;
        }

        .score-label {
            font-size: 1.1rem;
            opacity: 0.8;
        }

        .rating-details {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .rate-feat-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .rate-feat-icon {
            font-size: 1.5rem;
            color: var(--primary);
        }

        /* 对比表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 18px 20px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            background: #f1f0f7;
            font-weight: 700;
            color: var(--text-main);
        }

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

        .comparison-table tr.highlight-row {
            background: rgba(255, 0, 127, 0.02);
        }

        .comparison-table tr.highlight-row td:first-child {
            border-left: 4px solid var(--primary);
        }

        .badge-pro {
            background: var(--primary);
            color: #fff;
            font-size: 0.75rem;
            padding: 2px 6px;
            border-radius: 4px;
            font-weight: bold;
        }

        .check-icon {
            color: #2a9d8f;
            font-weight: bold;
        }

        .cross-icon {
            color: #e76f51;
            font-weight: bold;
        }

        /* 11. 智能需求匹配 + 20. 联系我们 (表单) */
        .contact-section {
            background: var(--bg-light);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
        }

        .form-box {
            background: var(--bg-card);
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
            box-shadow: 0 15px 40px rgba(0,0,0,0.02);
        }

        .form-box h3 {
            font-size: 1.6rem;
            margin-bottom: 10px;
        }

        .form-box p {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 0.9rem;
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-family: inherit;
            font-size: 0.95rem;
            transition: var(--transition);
            background-color: var(--bg-light);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background-color: #fff;
            box-shadow: 0 0 0 3px rgba(255, 0, 127, 0.1);
        }

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

        .contact-info-card {
            background: var(--dark);
            color: #fff;
            border-radius: 24px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-top h3 {
            font-size: 1.8rem;
            margin-bottom: 15px;
            color: var(--accent);
        }

        .contact-details {
            margin-top: 30px;
        }

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

        .contact-item-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 30px;
        }

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

        .qr-item img {
            width: 110px;
            height: 110px;
            border-radius: 8px;
            border: 4px solid #fff;
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 0.75rem;
            opacity: 0.8;
        }

        /* 12. Token比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .token-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            text-align: center;
            position: relative;
        }

        .token-card.best-price {
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(255, 0, 127, 0.05);
        }

        .token-card.best-price::after {
            content: '最低价';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            padding: 2px 10px;
            font-size: 0.7rem;
            font-weight: bold;
            border-radius: 10px;
        }

        .token-card h4 {
            font-size: 1.25rem;
            margin-bottom: 15px;
        }

        .token-price {
            font-size: 2rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 15px;
        }

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

        /* 13. 职业技术培训 + 14. 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .training-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            overflow: hidden;
            transition: var(--transition);
        }

        .training-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
        }

        .training-tag {
            background: var(--secondary);
            color: #fff;
            padding: 6px 12px;
            font-size: 0.75rem;
            font-weight: bold;
            display: inline-block;
        }

        .training-content {
            padding: 25px;
        }

        .training-content h3 {
            font-size: 1.25rem;
            margin-bottom: 12px;
        }

        .training-content p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .training-info {
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
            font-size: 0.8rem;
            color: var(--text-main);
            font-weight: 600;
        }

        /* 21. 加盟代理 */
        .agent-section {
            background: linear-gradient(135deg, rgba(255, 0, 127, 0.05) 0%, rgba(123, 44, 191, 0.05) 100%);
            border-radius: 30px;
            padding: 60px 40px;
            margin: 60px 0;
            border: 1px solid rgba(255, 0, 127, 0.1);
        }

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

        .agent-text h3 {
            font-size: 2rem;
            margin-bottom: 15px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .agent-list {
            margin: 20px 0;
            list-style: none;
        }

        .agent-list li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .agent-list li::before {
            content: '✦';
            position: absolute;
            left: 0;
            color: var(--primary);
        }

        /* 15. 帮助中心 + 16. 常见用户问题 FAQ + 17. 常见问题自助排查 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

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

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

        .faq-question {
            padding: 20px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: #fff;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.4rem;
            transition: var(--transition);
            color: var(--primary);
        }

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

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

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

        /* 18. AI术语百科 */
        .glossary-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .glossary-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 20px;
            border-radius: 12px;
        }

        .glossary-card h4 {
            color: var(--primary);
            margin-bottom: 8px;
            font-size: 1.1rem;
        }

        .glossary-card p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

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

        .testimonial-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            padding: 30px;
            position: relative;
        }

        .testimonial-card::after {
            content: '“';
            position: absolute;
            top: 20px;
            right: 30px;
            font-size: 4rem;
            color: rgba(255, 0, 127, 0.05);
            font-family: Georgia, serif;
            line-height: 1;
        }

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

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            margin-bottom: 2px;
        }

        .user-info p {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .testimonial-text {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 19. 行业资讯 / 知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .news-content {
            padding: 25px;
        }

        .news-meta {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }

        .news-title {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.4;
        }

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

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

        .news-link-btn {
            display: inline-block;
            font-size: 0.85rem;
            color: var(--secondary);
            text-decoration: none;
            font-weight: 600;
            margin-top: 10px;
        }

        /* 友情链接与页脚 */
        footer {
            background: var(--dark);
            color: #a5a1b8;
            padding: 60px 0 30px;
            border-top: 3px solid var(--primary);
            font-size: 0.85rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 20px;
            border-left: 3px solid var(--primary);
            padding-left: 10px;
        }

        .footer-links {
            list-style: none;
        }

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

        .footer-links a {
            color: #a5a1b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
        }

        .footer-desc {
            line-height: 1.6;
            margin-top: 15px;
        }

        .footer-friendly-links {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 25px;
            margin-top: 25px;
        }

        .footer-friendly-links h5 {
            color: #fff;
            margin-bottom: 12px;
        }

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

        .friendly-links-wrap a {
            color: #a5a1b8;
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 25px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        /* 侧边浮动组件 */
        .floating-bar {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }

        .float-item:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .float-item svg {
            width: 20px;
            height: 20px;
            fill: currentColor;
        }

        .float-qr-box {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
            color: var(--text-main);
        }

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

        .float-qr-box p {
            font-size: 0.75rem;
            font-weight: 700;
        }

        .float-item:hover .float-qr-box {
            display: block;
        }

        /* 移动端适配 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .service-grid, .testimonial-grid, .training-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .case-grid-small {
                flex-direction: row;
            }
            .case-card-small {
                width: 50%;
                height: auto;
            }
            .rating-box {
                grid-template-columns: 1fr;
            }
            .rating-score {
                border-right: none;
                border-bottom: 1px solid rgba(255,255,255,0.1);
                padding-right: 0;
                padding-bottom: 30px;
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .stats-grid, .solutions-grid, .glossary-grid {
                grid-template-columns: 1fr;
            }
            .service-grid, .testimonial-grid, .training-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .case-grid-small {
                flex-direction: column;
            }
            .case-card-small {
                width: 100%;
            }
            .network-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .token-grid {
                grid-template-columns: 1fr;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .agent-grid {
                grid-template-columns: 1fr;
            }
        }