/* 基础样式复位 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

        :root {
            --primary: #4f46e5;
            --primary-hover: #4338ca;
            --secondary: #ec4899;
            --accent: #06b6d4;
            --dark: #0f172a;
            --light-bg: #f8fafc;
            --white: #ffffff;
            --gray-text: #475569;
            --border: #e2e8f0;
            --neon-glow: 0 4px 20px rgba(99, 102, 241, 0.15);
            --gradient-accent: linear-gradient(135deg, #4f46e5 0%, #ec4899 50%, #06b6d4 100%);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            background-color: var(--light-bg);
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 高饱和艳彩 渐变背景与发光字效果 */
        .text-gradient {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            font-weight: 800;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: 9999px;
            font-weight: 600;
            text-decoration: none;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            outline: none;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: var(--white);
            box-shadow: 0 4px 15px rgba(236, 72, 153, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.5);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background: var(--primary);
            color: var(--white);
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        header {
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            transition: all 0.3s ease;
        }

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

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

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

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

        .nav-links a {
            color: var(--gray-text);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: color 0.3s;
        }

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

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
        }

        /* 首屏 Hero - 无图片，纯渐变与高饱和几何排版 */
        .hero {
            position: relative;
            padding: 100px 0 120px;
            background: radial-gradient(circle at 80% 20%, rgba(99, 102, 241, 0.15) 0%, rgba(236, 72, 153, 0.1) 50%, rgba(255, 255, 255, 0) 100%);
            text-align: center;
            overflow: hidden;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(99, 102, 241, 0.1);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(99, 102, 241, 0.2);
        }

        .hero h1 {
            font-size: 42px;
            line-height: 1.25;
            margin-bottom: 24px;
            letter-spacing: -1px;
            color: var(--dark);
        }

        .hero-desc {
            font-size: 18px;
            color: var(--gray-text);
            max-width: 800px;
            margin: 0 auto 36px;
        }

        .hero-ctas {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-bottom: 48px;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-card {
            background: var(--white);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--neon-glow);
            transition: transform 0.3s ease;
        }

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

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--gray-text);
            font-weight: 500;
        }

        /* 通用区块样式 */
        .section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

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

        .section-header p {
            color: var(--gray-text);
            font-size: 16px;
        }

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

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 16px;
            color: var(--dark);
        }

        .about-text p {
            color: var(--gray-text);
            margin-bottom: 20px;
            font-size: 15px;
        }

        /* 全平台AIGC服务体系 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border);
            transition: all 0.3s ease;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: 0 10px 20px rgba(6, 182, 212, 0.15);
        }

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 14px;
            color: var(--gray-text);
            margin-bottom: 15px;
        }

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

        .tag {
            font-size: 11px;
            background: var(--light-bg);
            color: var(--primary);
            padding: 4px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 全自动AIGC制作流程与解决方案 */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-item {
            background: var(--white);
            padding: 24px;
            border-radius: 12px;
            border: 1px solid var(--border);
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -15px;
            left: 20px;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--gradient-accent);
            color: var(--white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .step-item h3 {
            margin-top: 10px;
            margin-bottom: 8px;
            font-size: 18px;
        }

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

        /* 对比评测 */
        .eval-section {
            background: linear-gradient(to right, rgba(99, 102, 241, 0.05), rgba(236, 72, 153, 0.05));
        }

        .eval-box {
            background: var(--white);
            border-radius: 20px;
            padding: 40px;
            border: 1px solid var(--border);
            box-shadow: var(--neon-glow);
        }

        .eval-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border);
            padding-bottom: 24px;
            margin-bottom: 24px;
            flex-wrap: wrap;
            gap: 20px;
        }

        .eval-rating {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .rating-num {
            font-size: 48px;
            font-weight: 900;
            color: var(--secondary);
            line-height: 1;
        }

        .stars {
            color: #f59e0b;
            font-size: 24px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
        }

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

        th, td {
            padding: 16px;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
        }

        th {
            font-weight: 600;
            color: var(--dark);
            background: var(--light-bg);
        }

        td strong {
            color: var(--primary);
        }

        /* Token 比价参考 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 15px;
        }

        .token-card {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .token-name {
            font-weight: 600;
            font-size: 14px;
        }

        .token-price {
            color: var(--secondary);
            font-weight: 700;
            font-size: 14px;
        }

        /* 案例中心 & 软件介绍 */
        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .case-card {
            background: var(--white);
            border-radius: 16px;
            border: 1px solid var(--border);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-image-wrapper {
            position: relative;
            background: #e2e8f0;
            overflow: hidden;
            aspect-ratio: 16 / 9;
        }

        .case-image-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .case-content {
            padding: 24px;
            flex-grow: 1;
        }

        .case-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .case-desc {
            font-size: 14px;
            color: var(--gray-text);
            margin-bottom: 15px;
        }

        /* 人工智能培训 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .training-card {
            background: var(--white);
            border-radius: 16px;
            padding: 30px;
            border: 1px solid var(--border);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: all 0.3s ease;
        }

        .training-card:hover {
            box-shadow: var(--neon-glow);
            transform: translateY(-3px);
            border-color: var(--primary);
        }

        .training-card h3 {
            font-size: 18px;
            margin-bottom: 12px;
            color: var(--dark);
        }

        .training-card ul {
            list-style: none;
            padding: 0;
        }

        .training-card li {
            font-size: 13px;
            color: var(--gray-text);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .training-card li::before {
            content: "✓";
            color: var(--accent);
            font-weight: bold;
        }

        /* 客户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .comment-card {
            background: var(--white);
            padding: 24px;
            border-radius: 16px;
            border: 1px solid var(--border);
            position: relative;
        }

        .comment-text {
            font-size: 14px;
            color: var(--gray-text);
            margin-bottom: 15px;
            font-style: italic;
        }

        .comment-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .author-info h4 {
            font-size: 14px;
            color: var(--dark);
        }

        .author-info span {
            font-size: 12px;
            color: var(--primary);
        }

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

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--gray-text);
            font-size: 14px;
            border-top: 0px solid transparent;
        }

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

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 18px 24px;
            border-top: 1px solid var(--border);
        }

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

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        /* 需求匹配表单 & 联系我们 */
        .contact-section {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.02) 0%, rgba(6, 182, 212, 0.02) 100%);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .form-box {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border);
            box-shadow: var(--neon-glow);
        }

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

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: 8px;
            outline: none;
            transition: border-color 0.3s;
            background: var(--light-bg);
            font-size: 14px;
        }

        .form-control:focus {
            border-color: var(--primary);
            background: var(--white);
        }

        .info-box {
            background: var(--white);
            padding: 40px;
            border-radius: 20px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .info-item {
            margin-bottom: 24px;
        }

        .info-item h4 {
            font-size: 16px;
            margin-bottom: 6px;
            color: var(--primary);
        }

        .info-item p {
            font-size: 14px;
            color: var(--gray-text);
        }

        .qr-wrapper {
            margin-top: 20px;
            text-align: center;
            border-top: 1px solid var(--border);
            padding-top: 20px;
        }

        .qr-wrapper img {
            width: 120px;
            height: 120px;
            margin-bottom: 10px;
            border: 1px solid var(--border);
            padding: 4px;
            background: var(--white);
        }

        .qr-wrapper p {
            font-size: 13px;
            color: var(--gray-text);
        }

        /* 知识库板块 (最新文章) */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .news-item {
            background: var(--white);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: transform 0.3s;
        }

        .news-item:hover {
            transform: translateY(-2px);
        }

        .news-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--dark);
            margin-bottom: 10px;
            text-decoration: none;
            line-height: 1.4;
        }

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

        .news-meta {
            display: flex;
            justify-content: space-between;
            font-size: 12px;
            color: var(--gray-text);
        }

        /* 页脚 */
        footer {
            background: var(--dark);
            color: #94a3b8;
            padding: 60px 0 20px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            border-bottom: 1px solid #334155;
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

        .footer-logo {
            margin-bottom: 15px;
        }

        .footer-logo .ai-page-logo {
            filter: brightness(0) invert(1);
        }

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

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

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

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

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

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

        .friend-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 13px;
        }

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

        .copyright-area {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            font-size: 12px;
        }

        .ai-page-home-link {
            color: var(--accent);
            text-decoration: none;
            font-weight: 600;
        }

        /* 浮动工具栏 */
        .floating-bar {
            position: fixed;
            bottom: 30px;
            right: 30px;
            display: flex;
            flex-direction: column;
            gap: 12px;
            z-index: 99;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--white);
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: transform 0.3s;
            border: 1px solid var(--border);
        }

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-btn.active-primary {
            background: var(--gradient-accent);
            color: var(--white);
            border: none;
        }

        .qr-popover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: var(--white);
            border: 1px solid var(--border);
            padding: 12px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 140px;
        }

        .qr-popover img {
            width: 100%;
            height: auto;
            margin-bottom: 5px;
        }

        .qr-popover p {
            font-size: 11px;
            color: var(--dark);
        }

        .float-btn:hover .qr-popover {
            display: block;
        }

        /* 移动端适配 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .about-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .token-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--white);
                padding: 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 28px;
            }
            .hero-ctas {
                flex-direction: column;
                align-items: center;
            }
            .hero-ctas .btn {
                width: 100%;
                max-width: 280px;
            }
            .grid-3, .step-timeline, .training-grid, .comments-grid, .news-list, .cases-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }