:root {
            --primary: #8b5cf6;
            --primary-light: #a78bfa;
            --secondary: #ec4899;
            --secondary-light: #f472b6;
            --accent: #06b6d4;
            --bg-base: #f8fafc;
            --bg-card: #ffffff;
            --text-title: #0f172a;
            --text-body: #334155;
            --text-light: #64748b;
            --border: #e2e8f0;
            --glow: 0 10px 30px -10px rgba(139, 92, 246, 0.2);
            --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-body);
            background-color: var(--bg-base);
        }

        body {
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 艳色潮流公用样式 */
        .badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 600;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.1), rgba(236, 48, 153, 0.1));
            color: var(--primary);
            border: 1px solid rgba(139, 92, 246, 0.2);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            color: var(--text-title);
            text-align: center;
            margin-bottom: 10px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }

        .section-desc {
            color: var(--text-light);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 50px auto;
            font-size: 1.05rem;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 8px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
        }

        .btn-primary {
            background: var(--gradient);
            color: #ffffff;
            box-shadow: var(--glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 35px -5px rgba(139, 92, 246, 0.4);
        }

        .btn-secondary {
            background: #ffffff;
            color: var(--text-title);
            border: 1px solid var(--border);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* 导航栏 */
        header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            height: 70px;
            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;
        }

        .logo-box img {
            max-height: 40px;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-links {
            display: flex;
            gap: 20px;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            text-decoration: none;
            color: var(--text-body);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
        }

        .nav-links a:hover,
        .nav-links .active {
            color: var(--primary);
        }

        .nav-btn {
            background: var(--gradient);
            color: white;
            padding: 8px 18px;
            border-radius: 6px;
            font-weight: 600;
            transition: opacity 0.3s;
        }

        .nav-btn:hover {
            opacity: 0.9;
            color: white !important;
        }

        .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-title);
            border-radius: 2px;
            transition: 0.3s;
        }

        /* Hero首屏 - 严禁图片 */
        .hero {
            position: relative;
            padding: 100px 0 80px 0;
            background: radial-gradient(circle at 80% 20%, rgba(236, 48, 153, 0.05) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
                        #ffffff;
            overflow: hidden;
        }

        .hero-inner {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-title);
            margin-bottom: 24px;
        }

        .hero h1 span {
            background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-light);
            margin-bottom: 40px;
            line-height: 1.6;
        }

        .hero-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 60px;
        }

        /* 顶部关于我们 & 数据指标 */
        .about-section {
            padding: 80px 0;
            background-color: var(--bg-base);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h2 {
            font-size: 2.2rem;
            color: var(--text-title);
            margin-bottom: 20px;
            font-weight: 800;
        }

        .about-text p {
            font-size: 1.05rem;
            color: var(--text-body);
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: var(--bg-card);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border);
            text-align: center;
            box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 600;
        }

        /* 平台与服务体系 */
        .services-section {
            padding: 80px 0;
            background-color: #ffffff;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: var(--bg-base);
            padding: 35px 25px;
            border-radius: 16px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 5px;
            height: 100%;
            background: var(--gradient);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px -15px rgba(0,0,0,0.1);
            background: #ffffff;
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            color: var(--text-title);
            margin-bottom: 12px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 自动化制作与服务流程 */
        .process-section {
            padding: 80px 0;
            background-color: var(--bg-base);
        }

        .process-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
            position: relative;
        }

        .process-step {
            background: var(--bg-card);
            padding: 30px 24px;
            border-radius: 16px;
            border: 1px solid var(--border);
            text-align: center;
            position: relative;
            transition: transform 0.3s ease;
        }

        .process-step:hover {
            transform: translateY(-5px);
        }

        .step-num {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            width: 35px;
            height: 35px;
            background: var(--gradient);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 1rem;
            box-shadow: 0 4px 10px rgba(139, 92, 246, 0.3);
        }

        .process-step h3 {
            margin-top: 10px;
            font-size: 1.15rem;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .process-step p {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        /* 支持模型标签云 */
        .models-section {
            padding: 60px 0;
            background: linear-gradient(135deg, rgba(139, 92, 246, 0.05), rgba(236, 48, 153, 0.05));
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 950px;
            margin: 0 auto;
        }

        .tag-cloud span {
            background: #ffffff;
            border: 1px solid var(--border);
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            color: var(--text-body);
            font-weight: 500;
            transition: all 0.3s;
            cursor: default;
        }

        .tag-cloud span:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: scale(1.05);
            box-shadow: 0 4px 12px rgba(139, 92, 246, 0.1);
        }

        /* 全行业解决方案 & 案例展示 */
        .solutions-section {
            padding: 80px 0;
            background: #ffffff;
        }

        .solution-tabs-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .solution-text h3 {
            font-size: 1.8rem;
            color: var(--text-title);
            margin-bottom: 15px;
            font-weight: 800;
        }

        .solution-text ul {
            list-style: none;
            margin-top: 20px;
        }

        .solution-text ul li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-size: 1rem;
            color: var(--text-body);
        }

        .solution-text ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--accent);
            font-weight: bold;
        }

        .solution-images {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .solution-images img {
            width: 100%;
            height: auto;
            border-radius: 12px;
            object-fit: cover;
            border: 1px solid var(--border);
            box-shadow: 0 4px 15px rgba(0,0,0,0.05);
        }

        /* 案例中心 */
        .case-section {
            padding: 80px 0;
            background: var(--bg-base);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .case-info {
            padding: 24px;
        }

        .case-info h3 {
            font-size: 1.25rem;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .case-info p {
            color: var(--text-light);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        .case-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border);
            padding-top: 15px;
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
        }

        /* 对比评测 */
        .compare-section {
            padding: 80px 0;
            background: #ffffff;
        }

        .rating-box {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 30px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .rating-item {
            text-align: center;
            background: var(--bg-base);
            padding: 20px 40px;
            border-radius: 12px;
            border: 1px solid var(--border);
        }

        .rating-val {
            font-size: 3rem;
            font-weight: 900;
            color: var(--primary);
        }

        .rating-star {
            color: #f59e0b;
            font-size: 1.5rem;
            margin-top: 5px;
        }

        .compare-table-wrapper {
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 15px rgba(0,0,0,0.03);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
            background: #ffffff;
        }

        .compare-table th, 
        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
        }

        .compare-table th {
            background-color: var(--bg-base);
            color: var(--text-title);
            font-weight: 700;
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table tr.highlight {
            background-color: rgba(139, 92, 246, 0.03);
        }

        .compare-table td.strong {
            font-weight: bold;
            color: var(--primary);
        }

        /* Token 比价 */
        .token-section {
            padding: 80px 0;
            background: var(--bg-base);
        }

        /* 培训中心 */
        .training-section {
            padding: 80px 0;
            background: #ffffff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .train-card {
            background: var(--bg-base);
            padding: 30px 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
            text-align: center;
            transition: all 0.3s;
        }

        .train-card:hover {
            border-color: var(--secondary);
            transform: translateY(-5px);
            background: #ffffff;
            box-shadow: 0 10px 25px -5px rgba(236, 48, 153, 0.1);
        }

        .train-icon {
            font-size: 2.2rem;
            margin-bottom: 15px;
        }

        .train-card h3 {
            font-size: 1.1rem;
            color: var(--text-title);
            margin-bottom: 10px;
        }

        .train-card p {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        /* 需求匹配与联系我们（表单+客服） */
        .form-section {
            padding: 80px 0;
            background: var(--bg-base);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
        }

        .match-form-box {
            background: #ffffff;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 20px rgba(0,0,0,0.03);
        }

        .form-title {
            font-size: 1.5rem;
            color: var(--text-title);
            margin-bottom: 25px;
            font-weight: 700;
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-title);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            outline: none;
            font-size: 0.95rem;
            transition: border-color 0.3s;
        }

        .form-control:focus {
            border-color: var(--primary);
        }

        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        /* 客服与社交媒体 */
        .kefu-box {
            background: #ffffff;
            padding: 40px;
            border-radius: 16px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .kefu-header h3 {
            font-size: 1.5rem;
            color: var(--text-title);
            margin-bottom: 15px;
            font-weight: 700;
        }

        .qr-area {
            display: flex;
            align-items: center;
            gap: 20px;
            margin: 25px 0;
            background: var(--bg-base);
            padding: 20px;
            border-radius: 12px;
        }

        .qr-area img {
            width: 110px;
            height: 110px;
            border-radius: 8px;
            border: 1px solid var(--border);
        }

        .qr-info h4 {
            color: var(--text-title);
            font-size: 1.05rem;
            margin-bottom: 5px;
        }

        .qr-info p {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .contact-details {
            font-size: 0.95rem;
        }

        .contact-item {
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .contact-item strong {
            color: var(--text-title);
        }

        /* 客户评价 */
        .comments-section {
            padding: 80px 0;
            background: #ffffff;
        }

        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .comment-card {
            background: var(--bg-base);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
            position: relative;
        }

        .comment-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 20px;
            position: relative;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: var(--gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 1.1rem;
        }

        .user-info h4 {
            font-size: 0.95rem;
            color: var(--text-title);
        }

        .user-info p {
            font-size: 0.8rem;
            color: var(--text-light);
        }

        /* 百科与资讯 */
        .wiki-section {
            padding: 80px 0;
            background: var(--bg-base);
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .wiki-card {
            background: #ffffff;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border);
        }

        .wiki-card h3 {
            font-size: 1.3rem;
            color: var(--text-title);
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-light);
        }

        .wiki-list {
            list-style: none;
        }

        .wiki-list li {
            margin-bottom: 15px;
        }

        .wiki-list a {
            text-decoration: none;
            color: var(--text-body);
            font-size: 0.95rem;
            transition: color 0.3s;
        }

        .wiki-list a:hover {
            color: var(--primary);
        }

        .wiki-list span {
            color: var(--text-light);
            font-size: 0.85rem;
            margin-left: 10px;
        }

        /* FAQ 折叠面板 */
        .faq-section {
            padding: 80px 0;
            background: #ffffff;
        }

        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            background: var(--bg-base);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            color: var(--text-title);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.2rem;
            transition: transform 0.3s;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            padding: 0 24px;
            background: #ffffff;
            color: var(--text-body);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-question::after {
            transform: rotate(45deg);
        }

        .faq-item.active .faq-answer {
            max-height: 200px; /* 足够容纳即可 */
            padding: 18px 24px;
            border-top: 1px solid var(--border);
        }

        /* 友情链接与底部 */
        footer {
            background-color: var(--text-title);
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(255,255,255,0.1);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-info h4 {
            color: #ffffff;
            margin-bottom: 15px;
        }

        .footer-info p {
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .footer-links h5 {
            color: #ffffff;
            margin-bottom: 15px;
            font-size: 1rem;
        }

        .footer-links ul {
            list-style: none;
        }

        .footer-links ul li {
            margin-bottom: 10px;
        }

        .footer-links ul li a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s;
        }

        .footer-links ul li a:hover {
            color: var(--primary-light);
        }

        .friend-links {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding: 20px 0;
            text-align: center;
            font-size: 0.85rem;
        }

        .friend-links a {
            color: #94a3b8;
            text-decoration: none;
            margin: 0 10px;
            transition: color 0.3s;
        }

        .friend-links a:hover {
            color: #ffffff;
        }

        .copyright {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
        }

        /* 悬浮菜单 */
        .float-menu {
            position: fixed;
            bottom: 40px;
            right: 30px;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: #ffffff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

        .float-item:hover {
            background: var(--gradient);
            color: white;
            transform: translateY(-3px);
        }

        .float-item svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .float-item .popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            display: none;
            text-align: center;
            border: 1px solid var(--border);
        }

        .float-item:hover .popover {
            display: block;
        }

        .float-item .popover img {
            width: 100px;
            height: 100px;
            margin-bottom: 5px;
        }

        .float-item .popover p {
            color: var(--text-title);
            font-size: 0.8rem;
            white-space: nowrap;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-grid,
            .solution-tabs-content,
            .contact-grid,
            .wiki-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }