:root {
            --primary: #4f46e5;
            --primary-gradient: linear-gradient(135deg, #4f46e5 0%, #ec4899 100%);
            --secondary: #06b6d4;
            --dark: #0f172a;
            --light: #f8fafc;
            --text-main: #334155;
            --border-color: #e2e8f0;
            --accent-pink: #ec4899;
            --glow-color: rgba(79, 70, 229, 0.15);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #ffffff;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 艳色潮流风：渐变文本与醒目装饰 */
        .text-gradient {
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* 头部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
        }

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

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

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

        .logo-text {
            font-size: 1.25rem;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        nav {
            display: flex;
            gap: 20px;
        }

        nav a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

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

        .nav-btn {
            background: var(--primary-gradient);
            color: white;
            padding: 8px 20px;
            border-radius: 9999px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: 0 4px 15px var(--glow-color);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.3);
        }

        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(236, 72, 153, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(79, 70, 229, 0.08) 0%, transparent 50%),
                        #faf5ff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            width: 150px;
            height: 150px;
            background: var(--primary-gradient);
            filter: blur(100px);
            top: 10%;
            left: 5%;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero::after {
            content: '';
            position: absolute;
            width: 200px;
            height: 200px;
            background: var(--primary-gradient);
            filter: blur(120px);
            bottom: 10%;
            right: 5%;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(79, 70, 229, 0.08);
            border: 1px solid rgba(79, 70, 229, 0.2);
            color: var(--primary);
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

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

        .hero h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero p {
            font-size: 1.2rem;
            color: var(--text-main);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .hero-btn-primary {
            background: var(--primary-gradient);
            color: white;
            padding: 16px 36px;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 10px 25px rgba(79, 70, 229, 0.35);
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .hero-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(236, 72, 153, 0.4);
        }

        .hero-btn-secondary {
            background: white;
            color: var(--dark);
            border: 2px solid var(--border-color);
            padding: 14px 34px;
            border-radius: 12px;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration: none;
            transition: border-color 0.3s, transform 0.3s;
        }

        .hero-btn-secondary:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

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

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

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

        .section-title h2::after {
            content: '';
            position: absolute;
            width: 60px;
            height: 4px;
            background: var(--primary-gradient);
            bottom: -10px;
            left: 50%;
            transform: translateX(-50%);
            border-radius: 2px;
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: white;
            padding: 30px;
            border-radius: 16px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.05);
            border: 1px solid var(--border-color);
            transition: transform 0.3s;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }

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

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

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--text-main);
        }

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

        .bullet-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }

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

        /* 全平台AIGC服务 (模型标签云) */
        .model-cloud-container {
            background: #faf5ff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(79, 70, 229, 0.1);
        }

        .cloud-title {
            text-align: center;
            font-weight: 700;
            margin-bottom: 30px;
            font-size: 1.2rem;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .model-tag {
            padding: 8px 18px;
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 9999px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--dark);
            transition: all 0.3s;
            cursor: default;
        }

        .model-tag:hover {
            background: var(--primary-gradient);
            color: white;
            border-color: transparent;
            transform: scale(1.05);
            box-shadow: 0 4px 15px var(--glow-color);
        }

        /* 服务能力与解决方案 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: white;
            padding: 40px 30px;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: var(--primary-gradient);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 40px rgba(0,0,0,0.08);
        }

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

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

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

        /* 流程步骤 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
        }

        .step-item {
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 60px;
            height: 60px;
            background: var(--primary-gradient);
            color: white;
            font-size: 1.5rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            margin: 0 auto 20px;
            box-shadow: 0 5px 15px var(--glow-color);
        }

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

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-main);
        }

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

        .case-card {
            background: white;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: transform 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
        }

        .case-img-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #eee;
        }

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

        .case-info {
            padding: 20px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(6, 182, 212, 0.1);
            color: var(--secondary);
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 4px;
            margin-bottom: 10px;
        }

        .case-info h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .case-info p {
            font-size: 0.9rem;
            color: var(--text-main);
        }

        /* 对比评测 & Token比价 */
        .comparison-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .comp-score-box {
            background: var(--primary-gradient);
            color: white;
            padding: 40px;
            border-radius: 24px;
            text-align: center;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            box-shadow: 0 15px 35px rgba(79, 70, 229, 0.25);
        }

        .score-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .score-num {
            font-size: 5rem;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 10px;
        }

        .score-stars {
            font-size: 1.8rem;
            color: #fbbf24;
            margin-bottom: 15px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            background: white;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 500px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.9rem;
        }

        th {
            background: #f1f5f9;
            font-weight: 700;
        }

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

        /* 培训中心 & 加盟代理 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .training-card, .agent-card {
            background: #faf5ff;
            padding: 40px;
            border-radius: 20px;
            border: 1px solid rgba(79, 70, 229, 0.1);
        }

        .training-card h3, .agent-card h3 {
            font-size: 1.5rem;
            margin-bottom: 20px;
            color: var(--primary);
        }

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

        .training-list li {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }

        .training-list li::before {
            content: '✓';
            color: #10b981;
            font-weight: 900;
        }

        /* 智能需求匹配表单 */
        .form-section {
            background: #faf5ff;
        }

        .form-wrapper {
            max-width: 650px;
            margin: 0 auto;
            background: white;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
            box-shadow: 0 15px 35px rgba(0,0,0,0.05);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 1rem;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
        }

        select.form-control {
            appearance: none;
            background-image: url("data:image/svg+xml;utf8,<svg fill='black' height='24' viewBox='0 0 24 24' width='24' xmlns='http://www.w3.org/2000/svg'><path d='M7 10l5 5 5-5z'/><path d='M0 0h24v24H0z' fill='none'/>");
            background-repeat: no-repeat;
            background-position: right 10px fill;
        }

        .btn-submit {
            width: 100%;
            background: var(--primary-gradient);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 5px 15px var(--glow-color);
            transition: transform 0.2s;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
        }

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

        .faq-item {
            border-bottom: 1px solid var(--border-color);
            padding: 20px 0;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            user-select: none;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            color: var(--text-main);
            margin-top: 0;
            font-size: 0.95rem;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            margin-top: 10px;
        }

        .faq-icon {
            transition: transform 0.3s;
        }

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

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

        .review-card {
            background: white;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 20px rgba(0,0,0,0.02);
        }

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

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

        .avatar-placeholder {
            width: 45px;
            height: 45px;
            background: var(--primary-gradient);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
        }

        .user-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

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

        /* 最新文章 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 1.1rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-link {
            color: var(--primary);
            text-decoration: none;
            font-weight: 700;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-link:hover {
            text-decoration: underline;
        }

        /* 联系我们 & 加盟 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
        }

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

        .contact-card {
            background: #f8fafc;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .contact-card h4 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .qr-box {
            background: white;
            padding: 20px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .qr-box img {
            width: 150px;
            height: 150px;
            object-fit: cover;
            margin-bottom: 10px;
        }

        /* 页脚 & 友情链接 */
        footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

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

        .footer-logo-desc h3 {
            color: white;
            font-size: 1.3rem;
            margin-bottom: 15px;
        }

        .footer-links h4 {
            color: white;
            margin-bottom: 15px;
        }

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

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

        .footer-links ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: color 0.3s;
        }

        .footer-links ul li a:hover {
            color: white;
        }

        .friend-links {
            border-top: 1px solid #334155;
            padding-top: 30px;
            margin-bottom: 30px;
        }

        .friend-links-title {
            color: white;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

        .friend-links-list a {
            color: #94a3b8;
            text-decoration: none;
        }

        .friend-links-list a:hover {
            color: white;
        }

        .copyright-area {
            border-top: 1px solid #334155;
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .ai-page-home-link {
            color: #94a3b8;
            text-decoration: none;
        }

        .ai-page-home-link:hover {
            color: white;
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            bottom: 30px;
            right: 30px;
            background: var(--primary-gradient);
            color: white;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(79, 70, 229, 0.4);
            z-index: 999;
            transition: transform 0.3s;
        }

        .floating-service:hover {
            transform: scale(1.1);
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 20px;
            }
            .about-content, .comparison-layout, .training-grid, .contact-layout {
                grid-template-columns: 1fr;
            }
            .services-grid, .case-grid, .reviews-grid, .articles-list {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            nav {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            nav.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .services-grid, .case-grid, .reviews-grid, .articles-list, .steps-container {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .contact-info-grid {
                grid-template-columns: 1fr;
            }
        }