:root {
            --primary: #ff6b8b;
            --primary-light: #ff8eaf;
            --secondary: #4facfe;
            --secondary-light: #00f2fe;
            --accent: #fecfef;
            --yellow: #ffd200;
            --bg-light: #f9fbfd;
            --text-dark: #2d3748;
            --text-muted: #718096;
            --white: #ffffff;
            --gradient-candy: linear-gradient(135deg, #ff758c 0%, #ff7eb3 100%);
            --gradient-sky: linear-gradient(135deg, #8ec5fc 0%, #e0c3fc 100%);
            --gradient-mint: linear-gradient(135deg, #a8ff78 0%, #78ffd6 100%);
            --shadow-soft: 0 10px 30px rgba(255, 107, 139, 0.15);
            --shadow-blue: 0 10px 30px rgba(79, 172, 254, 0.15);
            --border-radius: 20px;
        }

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

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

        /* 缤纷糖果风背景光斑 */
        body::before {
            content: '';
            position: absolute;
            top: 5%;
            left: -10%;
            width: 50vw;
            height: 50vw;
            background: radial-gradient(circle, rgba(255,117,140,0.15) 0%, rgba(255,255,255,0) 70%);
            z-index: -1;
            pointer-events: none;
        }
        body::after {
            content: '';
            position: absolute;
            top: 40%;
            right: -10%;
            width: 60vw;
            height: 60vw;
            background: radial-gradient(circle, rgba(142,197,252,0.18) 0%, rgba(255,255,255,0) 70%);
            z-index: -1;
            pointer-events: none;
        }

        .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: 80px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

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

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

        .ai-page-logo {
            height: 45px;
            width: auto;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(45deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-menu {
            display: flex;
            list-style: none;
        }

        .nav-menu a, .ai-page-home-link {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 14px;
            padding: 8px 12px;
            border-radius: 12px;
            transition: all 0.3s ease;
        }

        .nav-menu a:hover, .ai-page-home-link:hover {
            background-color: var(--accent);
            color: var(--primary);
        }

        .btn-nav-action {
            background: var(--gradient-candy);
            color: var(--white);
            border: none;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: var(--shadow-soft);
            transition: transform 0.2s, box-shadow 0.2s;
            text-decoration: none;
            display: inline-block;
            font-size: 14px;
        }

        .btn-nav-action:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(255, 107, 139, 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-dark);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁包含图片 */
        .hero {
            padding: 160px 0 100px;
            text-align: center;
            position: relative;
        }

        .hero-candy-bg {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80%;
            height: 80%;
            background: radial-gradient(circle, rgba(254,207,239,0.3) 0%, rgba(249,251,253,0) 70%);
            z-index: -1;
            pointer-events: none;
        }

        .badge-premium {
            background: var(--gradient-sky);
            color: var(--text-dark);
            padding: 6px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 20px;
            box-shadow: var(--shadow-blue);
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -0.5px;
            background: linear-gradient(to right, #ff416c, #ff4b2b, #4facfe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-p {
            font-size: 18px;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 35px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: var(--gradient-candy);
            color: var(--white);
            border: none;
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            box-shadow: var(--shadow-soft);
            transition: transform 0.2s, box-shadow 0.2s;
            text-decoration: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255, 107, 139, 0.4);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--text-dark);
            border: 2px solid #e2e8f0;
            padding: 15px 35px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: bold;
            cursor: pointer;
            transition: all 0.2s;
            text-decoration: none;
        }

        .btn-secondary:hover {
            border-color: var(--secondary);
            background: rgba(79, 172, 254, 0.05);
            transform: translateY(-3px);
        }

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

        .metric-card {
            background: var(--white);
            padding: 30px 20px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-soft);
            border: 2px solid rgba(255, 255, 255, 0.8);
            transition: transform 0.3s;
        }

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

        .metric-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }

        .metric-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: bold;
        }

        /* 通用Section布局 */
        section {
            padding: 90px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 55px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 20%;
            width: 60%;
            height: 6px;
            background: var(--gradient-sky);
            border-radius: 3px;
            z-index: -1;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

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

        .intro-features {
            list-style: none;
        }

        .intro-features li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .intro-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            top: 0;
            width: 22px;
            height: 22px;
            background: var(--gradient-candy);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: bold;
        }

        /* AIGC服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--white);
            padding: 35px 25px;
            border-radius: var(--border-radius);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.03);
            border: 2px solid transparent;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary-light);
            box-shadow: var(--shadow-soft);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            background: var(--gradient-sky);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            font-size: 28px;
        }

        .service-card:nth-child(2n) .service-icon {
            background: var(--gradient-candy);
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 支持平台滚动展示 */
        .platforms-wrapper {
            background: var(--white);
            padding: 30px 20px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-blue);
            margin-top: 40px;
            overflow: hidden;
        }

        .platforms-title {
            text-align: center;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--text-dark);
            font-size: 15px;
        }

        .platforms-marquee {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            padding-bottom: 10px;
        }

        .platforms-marquee::-webkit-scrollbar {
            height: 6px;
        }

        .platforms-marquee::-webkit-scrollbar-thumb {
            background-color: var(--accent);
            border-radius: 10px;
        }

        .platform-tag {
            background: #f1f5f9;
            color: var(--text-dark);
            padding: 8px 18px;
            border-radius: 30px;
            white-space: nowrap;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid #e2e8f0;
        }

        /* 制作场景及流程步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 25px;
            position: relative;
        }

        .step-card {
            background: var(--white);
            padding: 30px 20px;
            border-radius: var(--border-radius);
            text-align: center;
            position: relative;
            z-index: 2;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.02);
        }

        .step-num {
            width: 45px;
            height: 45px;
            background: var(--gradient-candy);
            color: var(--white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: bold;
            margin: 0 auto 20px;
        }

        .step-card h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .step-card p {
            color: var(--text-muted);
            font-size: 13px;
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            background: var(--white);
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-blue);
            padding: 20px;
        }

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

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid #f1f5f9;
        }

        .compare-table th {
            background: #f8fafc;
            color: var(--text-dark);
            font-weight: 700;
        }

        .compare-table tr:hover {
            background: #faf5ff;
        }

        .highlight-col {
            background: rgba(255, 107, 139, 0.05);
            font-weight: bold;
            color: var(--primary);
        }

        .star-rating {
            color: var(--yellow);
            font-size: 18px;
        }

        /* 培训版块 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .train-card {
            background: var(--white);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-soft);
            border-top: 5px solid var(--primary);
            transition: transform 0.3s;
        }

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

        .train-card.blue-top {
            border-top-color: var(--secondary);
        }

        .train-card h3 {
            font-size: 19px;
            margin-bottom: 15px;
        }

        .train-badge {
            display: inline-block;
            padding: 4px 10px;
            background: #fff3f5;
            color: var(--primary);
            font-size: 12px;
            font-weight: bold;
            border-radius: 5px;
            margin-bottom: 15px;
        }

        .train-card.blue-top .train-badge {
            background: #edf2ff;
            color: var(--secondary);
        }

        /* 案例中心图文 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: var(--white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.03);
            border: 1px solid #f1f5f9;
        }

        .case-img-holder {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #e2e8f0;
        }

        .case-img-holder img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

        .case-body {
            padding: 20px;
        }

        .case-tag {
            font-size: 12px;
            color: var(--secondary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 5px;
            display: inline-block;
        }

        .case-body h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 13px;
        }

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

        .faq-item {
            background: var(--white);
            margin-bottom: 15px;
            border-radius: 15px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            overflow: hidden;
            border: 1px solid #edf2f7;
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background 0.3s;
        }

        .faq-question:hover {
            background: #fff8fa;
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 14px;
            border-top: 1px solid transparent;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 20px;
            border-top-color: #f1f5f9;
        }

        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: bold;
            color: var(--primary);
        }

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

        /* 用户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .review-card {
            background: var(--white);
            padding: 25px;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow-soft);
            position: relative;
        }

        .review-quote {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
            position: relative;
            font-style: italic;
        }

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

        .review-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--gradient-sky);
            color: var(--text-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
        }

        .review-user-info h4 {
            font-size: 15px;
            font-weight: 700;
        }

        .review-user-info span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 需求表单与联系 */
        .contact-section {
            background: var(--white);
            border-radius: 30px;
            padding: 60px 40px;
            box-shadow: var(--shadow-blue);
        }

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

        .contact-info h3 {
            font-size: 28px;
            margin-bottom: 20px;
        }

        .contact-info-list {
            list-style: none;
            margin-bottom: 30px;
        }

        .contact-info-list li {
            margin-bottom: 15px;
            font-size: 15px;
        }

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

        .qr-box {
            text-align: center;
            font-size: 12px;
            font-weight: bold;
        }

        .qr-box img {
            width: 100px;
            height: 100px;
            border: 1px solid #edf2f7;
            border-radius: 8px;
            padding: 4px;
            background: white;
            margin-bottom: 6px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 700;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 18px;
            border-radius: 12px;
            border: 2px solid #edf2f7;
            outline: none;
            font-size: 14px;
            transition: border-color 0.2s;
        }

        .form-control:focus {
            border-color: var(--secondary);
        }

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

        /* 浮动客服入口 */
        .float-widget {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background: var(--white);
            border-radius: 50%;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--text-dark);
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

        .float-item:hover {
            transform: scale(1.1);
            background: var(--gradient-candy);
            color: var(--white);
        }

        .float-qr-popup {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: var(--white);
            padding: 12px;
            border-radius: 12px;
            box-shadow: 0 5px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-qr-popup img {
            width: 120px;
            height: 120px;
        }

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

        /* 页脚与友情链接 */
        footer {
            background: #1a202c;
            color: #e2e8f0;
            padding: 60px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            color: var(--white);
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
        }

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

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

        .footer-col ul a {
            color: #a0aec0;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-col ul a:hover {
            color: var(--white);
        }

        .friend-links {
            border-top: 1px solid #2d3748;
            padding: 25px 0;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            align-items: center;
        }

        .friend-links span {
            font-weight: 700;
            color: #a0aec0;
        }

        .friend-links a {
            color: #a0aec0;
            text-decoration: none;
            font-size: 13px;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid #2d3748;
            padding-top: 25px;
            text-align: center;
            font-size: 12px;
            color: #718096;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-cloud-item {
            background: rgba(255, 255, 255, 0.1);
            color: #a0aec0;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 12px;
            text-decoration: none;
            transition: all 0.2s;
        }

        .tag-cloud-item:hover {
            background: var(--gradient-candy);
            color: var(--white);
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .steps-grid, .training-grid, .cases-grid, .reviews-grid, .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            }
            .nav-menu.active {
                display: flex;
            }
            .about-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 32px;
            }
            .metrics-grid, .services-grid, .steps-grid, .training-grid, .cases-grid, .reviews-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                gap: 25px;
            }
        }