:root {
            --primary: #00f2fe;
            --secondary: #f355da;
            --dark-blue: #0f172a;
            --slate-800: #1e293b;
            --slate-700: #334155;
            --slate-600: #475569;
            --slate-100: #f1f5f9;
            --slate-50: #f8fafc;
            --neon-glow: 0 0 15px rgba(0, 242, 254, 0.4);
            --neon-pink-glow: 0 0 15px rgba(243, 85, 218, 0.4);
            --border-gradient: linear-gradient(135deg, var(--primary), var(--secondary));
        }

        * {
            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(--slate-50);
            color: var(--dark-blue);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一容器 */
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 霓虹亮彩风格公共类 */
        .neon-border-card {
            background: #ffffff;
            border: 1px solid rgba(0, 242, 254, 0.2);
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(15, 23, 42, 0.05);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .neon-border-card::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; height: 3px;
            background: var(--border-gradient);
            opacity: 0.8;
        }
        .neon-border-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(0, 242, 254, 0.15), 0 1px 3px rgba(243, 85, 218, 0.1);
            border-color: rgba(0, 242, 254, 0.5);
        }

        .neon-text {
            background: linear-gradient(135deg, #00b4db, #f355da);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .btn-neon {
            background: linear-gradient(135deg, #00f2fe 0%, #4facfe 100%);
            color: var(--dark-blue);
            font-weight: 600;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: var(--neon-glow);
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-neon:hover {
            transform: scale(1.05);
            box-shadow: 0 0 25px rgba(0, 242, 254, 0.7);
        }

        .btn-neon-pink {
            background: linear-gradient(135deg, #f355da 0%, #ff007f 100%);
            color: #ffffff;
            font-weight: 600;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            cursor: pointer;
            box-shadow: var(--neon-pink-glow);
            transition: all 0.3s ease;
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .btn-neon-pink:hover {
            transform: scale(1.05);
            box-shadow: 0 0 25px rgba(243, 85, 218, 0.7);
        }

        /* Header 导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(0, 242, 254, 0.15);
            padding: 15px 0;
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo-area img {
            height: 40px;
            width: auto;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 20px;
            align-items: center;
        }
        .nav-menu a {
            color: var(--slate-700);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s ease;
        }
        .nav-menu a:hover {
            color: #4facfe;
            text-shadow: 0 0 8px rgba(79, 172, 254, 0.3);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .nav-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark-blue);
            transition: 0.3s;
        }

        /* Hero 首屏 - 无图设计，纯色/渐变/卡片 */
        .hero-section {
            background: radial-gradient(circle at 90% 10%, rgba(243, 85, 218, 0.08) 0%, transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 242, 254, 0.08) 0%, transparent 40%),
                        var(--slate-50);
            padding: 100px 0 80px 0;
            text-align: center;
            position: relative;
        }
        .hero-title {
            font-size: 2.8rem;
            line-height: 1.2;
            margin-bottom: 20px;
            color: var(--dark-blue);
        }
        .hero-subtitle {
            font-size: 1.25rem;
            color: var(--slate-600);
            max-width: 800px;
            margin: 0 auto 40px auto;
        }
        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }
        
        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }
        .metric-card {
            background: #ffffff;
            border-radius: 12px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
            border: 1px solid rgba(0, 0, 0, 0.05);
        }
        .metric-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--dark-blue);
            margin-bottom: 5px;
            background: linear-gradient(135deg, #00f2fe, #4facfe);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--slate-600);
        }

        /* 通用区块样式 */
        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--slate-100);
        }
        .section-title {
            text-align: center;
            font-size: 2rem;
            margin-bottom: 15px;
            color: var(--dark-blue);
        }
        .section-subtitle {
            text-align: center;
            color: var(--slate-600);
            max-width: 600px;
            margin: 0 auto 50px auto;
            font-size: 1rem;
        }

        /* 关于我们 */
        .about-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.5rem;
            margin-bottom: 15px;
            color: var(--dark-blue);
        }
        .about-text p {
            color: var(--slate-600);
            margin-bottom: 20px;
        }
        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .about-feat-item {
            background: #ffffff;
            padding: 20px;
            border-radius: 8px;
            border-left: 4px solid var(--primary);
            box-shadow: 0 2px 10px rgba(0,0,0,0.02);
        }

        /* 全平台 AIGC 服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 25px;
        }
        .service-card {
            padding: 30px;
        }
        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 15px;
        }
        .service-card h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
            color: var(--dark-blue);
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--slate-600);
        }

        /* 一站式AIGC制作 & 解决方案 */
        .media-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .media-image-wrapper {
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--neon-glow);
            border: 2px solid rgba(0, 242, 254, 0.3);
        }
        .media-image-wrapper img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .tag-item {
            background: var(--slate-100);
            color: var(--slate-700);
            padding: 6px 12px;
            border-radius: 20px;
            font-size: 0.85rem;
            border: 1px solid rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        .tag-item:hover {
            background: var(--primary);
            color: var(--dark-blue);
            transform: scale(1.05);
        }

        /* 标准化流程 & 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }
        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: var(--border-gradient);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
        }
        .timeline-container {
            padding: 10px 40px;
            position: relative;
            width: 50%;
        }
        .timeline-container::after {
            content: '';
            position: absolute;
            width: 16px;
            height: 16px;
            right: -8px;
            background-color: #ffffff;
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }
        .left {
            left: 0;
        }
        .right {
            left: 50%;
        }
        .right::after {
            left: -8px;
        }
        .timeline-content {
            padding: 20px;
            background: #ffffff;
            position: relative;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            border: 1px solid rgba(0, 242, 254, 0.2);
            background: #ffffff;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }
        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--slate-100);
        }
        .comparison-table th {
            background-color: var(--slate-100);
            color: var(--dark-blue);
            font-weight: 600;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .rating-badge {
            display: inline-block;
            background: linear-gradient(135deg, #ff9900, #ff5500);
            color: #ffffff;
            padding: 3px 10px;
            border-radius: 4px;
            font-weight: bold;
            font-size: 0.9rem;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .token-card {
            background: #ffffff;
            border: 1px solid var(--slate-100);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            transition: all 0.3s ease;
        }
        .token-card:hover {
            border-color: var(--primary);
            box-shadow: var(--neon-glow);
        }
        .token-price {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 10px 0;
        }

        /* 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }
        .training-card {
            background: #ffffff;
            border-radius: 8px;
            padding: 25px;
            border-top: 4px solid var(--primary);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }
        .training-card h4 {
            margin-bottom: 10px;
            color: var(--dark-blue);
        }
        .training-card p {
            font-size: 0.9rem;
            color: var(--slate-600);
        }

        /* FAQ 折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            margin-bottom: 15px;
            border-radius: 8px;
            border: 1px solid var(--slate-100);
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-question {
            padding: 20px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            color: var(--dark-blue);
        }
        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease;
            color: var(--slate-600);
            font-size: 0.95rem;
            border-top: 0px solid transparent;
        }
        .faq-item.active {
            border-color: rgba(0, 242, 254, 0.4);
            box-shadow: 0 4px 15px rgba(0, 242, 254, 0.05);
        }
        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 200px;
            border-top: 1px solid var(--slate-100);
        }
        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 300;
            color: var(--primary);
            transition: transform 0.3s;
        }
        .faq-item.active .faq-icon::after {
            content: '-';
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }
        .comment-card {
            background: #ffffff;
            padding: 25px;
            border-radius: 12px;
            border: 1px solid var(--slate-100);
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }
        .comment-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }
        .comment-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--slate-100);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .comment-meta h4 {
            font-size: 0.95rem;
            color: var(--dark-blue);
        }
        .comment-meta span {
            font-size: 0.8rem;
            color: var(--slate-600);
        }
        .comment-text {
            font-size: 0.9rem;
            color: var(--slate-600);
            font-style: italic;
        }

        /* 资讯与知识库 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }
        .article-card {
            background: #ffffff;
            border-radius: 8px;
            padding: 25px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
            border: 1px solid var(--slate-100);
        }
        .article-card h4 {
            margin-bottom: 15px;
        }
        .article-card a {
            color: var(--dark-blue);
            text-decoration: none;
            transition: color 0.3s;
        }
        .article-card a:hover {
            color: var(--primary);
        }

        /* 表单区域 */
        .form-section {
            background: radial-gradient(circle at 10% 10%, rgba(0, 242, 254, 0.05) 0%, transparent 40%), #ffffff;
            border-top: 1px solid var(--slate-100);
        }
        .form-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }
        .contact-info h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--dark-blue);
        }
        .contact-details {
            margin-bottom: 30px;
        }
        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
            color: var(--slate-700);
        }
        .qr-codes {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .qr-item {
            text-align: center;
            background: var(--slate-50);
            padding: 15px;
            border-radius: 8px;
            border: 1px solid var(--slate-100);
        }
        .qr-item img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            display: block;
            margin-bottom: 8px;
        }
        .qr-item span {
            font-size: 0.8rem;
            color: var(--slate-600);
        }
        .submit-form {
            background: var(--slate-50);
            padding: 40px;
            border-radius: 12px;
            border: 1px solid rgba(0, 242, 254, 0.15);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-size: 0.9rem;
            color: var(--slate-700);
            font-weight: 500;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--slate-100);
            background: #ffffff;
            border-radius: 6px;
            color: var(--dark-blue);
            transition: all 0.3s;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 242, 254, 0.15);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark-blue);
            color: #ffffff;
            padding: 60px 0 30px 0;
            font-size: 0.9rem;
            border-top: 4px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo img {
            height: 45px;
            margin-bottom: 15px;
        }
        .footer-logo p {
            color: var(--slate-100);
            margin-bottom: 15px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: var(--slate-100);
            text-decoration: none;
            transition: color 0.3s;
        }
        .footer-col ul li a:hover {
            color: var(--primary);
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .friend-links a {
            color: var(--slate-100);
            text-decoration: none;
            font-size: 0.85rem;
            transition: color 0.3s;
        }
        .friend-links a:hover {
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--slate-800);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer-bottom p {
            color: var(--slate-100);
        }

        /* 浮动客服 */
        .float-service {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .float-btn {
            width: 50px;
            height: 50px;
            background: #ffffff;
            border-radius: 50%;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            border: 1px solid rgba(0, 242, 254, 0.3);
            transition: all 0.3s;
        }
        .float-btn:hover {
            transform: scale(1.1);
            box-shadow: var(--neon-glow);
        }
        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--dark-blue);
        }
        .float-qr {
            position: absolute;
            right: 65px;
            bottom: 0;
            background: #ffffff;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            border: 1px solid var(--slate-100);
        }
        .float-qr img {
            width: 120px;
            height: 120px;
            display: block;
            margin-bottom: 5px;
        }
        .float-qr span {
            font-size: 0.75rem;
            color: var(--slate-600);
            white-space: nowrap;
        }
        .float-btn:hover .float-qr {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .comments-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: #ffffff;
                border-bottom: 1px solid var(--slate-100);
                padding: 20px;
                gap: 15px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .nav-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 2rem;
            }
            .about-wrapper, .media-grid, .form-wrapper {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-container {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-container::after {
                left: 23px;
            }
            .right {
                left: 0;
            }
            .comments-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }