/* 变量与配色：艳色撞色风（深色/米白底色 + 霓虹绿 #10B981 + 炫燃橙 #FF5F00 + 魅惑紫 #8B5CF6） */
        :root {
            --bg-color: #FAFAFC;
            --text-main: #0F172A;
            --text-muted: #475569;
            --primary: #FF5F00;
            --primary-hover: #E05300;
            --secondary: #10B981;
            --accent: #8B5CF6;
            --border-color: #0F172A;
            --card-bg: #FFFFFF;
            --container-width: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-main);
        }

        body {
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* 通用容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 艳色边框与硬阴影效果 */
        .neon-box {
            border: 3px solid var(--border-color);
            background-color: var(--card-bg);
            box-shadow: 6px 6px 0px var(--primary);
            transition: all 0.2s ease;
        }

        .neon-box:hover {
            transform: translate(-2px, -2px);
            box-shadow: 8px 8px 0px var(--secondary);
        }

        /* 按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 700;
            font-size: 1rem;
            text-decoration: none;
            border: 3px solid var(--border-color);
            cursor: pointer;
            transition: all 0.15s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            box-shadow: 4px 4px 0px var(--border-color);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--border-color);
        }

        .btn-secondary {
            background-color: var(--secondary);
            color: #0F172A;
            box-shadow: 4px 4px 0px var(--border-color);
        }

        .btn-secondary:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--border-color);
        }

        /* 标题排版 */
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.5rem;
            font-weight: 900;
            text-transform: uppercase;
            margin-bottom: 15px;
            display: inline-block;
            position: relative;
            background: linear-gradient(120deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-header p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        /* 顶部导航 */
        header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(250, 250, 252, 0.95);
            border-bottom: 3px solid var(--border-color);
            backdrop-filter: blur(10px);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo-area {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .ai-page-logo {
            height: 45px;
            display: block;
        }

        nav {
            display: flex;
            align-items: center;
        }

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

        .nav-links a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 8px 12px;
            transition: color 0.2s;
        }

        .nav-links a:hover {
            color: var(--primary);
            background: rgba(255, 95, 0, 0.05);
            border-radius: 4px;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: none;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            transition: 0.3s;
        }

        /* 首屏 Hero - 无图片设计，纯撞色与文字排版 */
        .hero {
            padding: 100px 0 80px 0;
            background: radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.1) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255, 95, 0, 0.1) 0%, transparent 50%);
            border-bottom: 3px solid var(--border-color);
            position: relative;
        }

        .hero-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 25px;
            letter-spacing: -1px;
            color: var(--text-main);
        }

        .hero h1 span {
            background: linear-gradient(90deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.3rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            font-weight: 500;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }

        /* 数据指标卡片 */
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .stat-card {
            padding: 20px;
            text-align: center;
        }

        .stat-val {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-lbl {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-muted);
        }

        /* 关于我们与平台介绍 */
        .section-padding {
            padding: 80px 0;
            border-bottom: 3px solid var(--border-color);
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 20px;
        }

        .about-features {
            list-style: none;
            margin-top: 25px;
        }

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

        .about-features li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: 900;
            font-size: 1.2rem;
        }

        /* 全平台AIGC服务与主打场景 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            padding: 30px;
        }

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

        .service-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        /* 标签云组件：支持的 AI 平台 */
        .tags-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            margin-top: 40px;
        }

        .tag-pill {
            padding: 8px 16px;
            background: #FFFFFF;
            border: 2px solid var(--border-color);
            font-weight: 700;
            border-radius: 50px;
            font-size: 0.9rem;
            box-shadow: 2px 2px 0px var(--border-color);
            transition: all 0.15s;
        }

        .tag-pill:hover {
            background-color: var(--accent);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* 一站式AIGC制作流程与步骤 */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .step-card {
            padding: 30px 20px;
            text-align: center;
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 50%;
            transform: translateX(-50%);
            width: 40px;
            height: 40px;
            background-color: var(--primary);
            color: white;
            border: 3px solid var(--border-color);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
        }

        /* 全行业解决方案与技术标准 */
        .solutions-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
        }

        .solution-card {
            padding: 30px;
            display: flex;
            gap: 20px;
        }

        /* 对比评测板块 */
        .comparison-wrapper {
            margin-top: 40px;
        }

        .rating-box {
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 30px;
            margin-bottom: 40px;
            background-color: #FFFFFF;
        }

        .rating-num {
            font-size: 4rem;
            font-weight: 900;
            color: var(--primary);
        }

        .rating-stars {
            color: #FFD700;
            font-size: 1.8rem;
            margin-bottom: 8px;
        }

        .table-responsive {
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            border: 3px solid var(--border-color);
            background: #FFFFFF;
            min-width: 800px;
        }

        .comparison-table th, .comparison-table td {
            border: 2px solid var(--border-color);
            padding: 15px 20px;
            text-align: left;
        }

        .comparison-table th {
            background-color: var(--text-main);
            color: #FFFFFF;
            font-weight: 700;
        }

        .comparison-table tr:nth-child(even) {
            background-color: #F8FAFC;
        }

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

        /* 案例展示中心 */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .gallery-card {
            overflow: hidden;
            border: 3px solid var(--border-color);
            background: #FFFFFF;
        }

        .gallery-img-wrapper {
            width: 100%;
            height: 220px;
            overflow: hidden;
            border-bottom: 3px solid var(--border-color);
        }

        .gallery-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

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

        .gallery-info {
            padding: 20px;
        }

        /* 培训业务 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 15px;
        }

        .training-card {
            padding: 20px;
            text-align: center;
        }

        .training-card h4 {
            font-size: 1.1rem;
            margin-bottom: 10px;
            font-weight: 800;
        }

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

        .review-card {
            padding: 25px;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .review-avatar {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 2px solid var(--border-color);
            background-color: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            color: var(--primary);
        }

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

        .faq-item {
            margin-bottom: 15px;
            border: 3px solid var(--border-color);
            background: #FFFFFF;
        }

        .faq-header {
            padding: 20px;
            cursor: pointer;
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background-color: #FFFFFF;
            transition: background-color 0.2s;
        }

        .faq-header:hover {
            background-color: #F8FAFC;
        }

        .faq-icon {
            font-weight: 900;
            font-size: 1.2rem;
            transition: transform 0.2s;
        }

        .faq-body {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.2s ease-out;
            border-top: 0 solid var(--border-color);
            padding: 0 20px;
        }

        .faq-item.active .faq-body {
            max-height: 300px;
            padding: 20px;
            border-top: 2px solid var(--border-color);
        }

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

        /* 资讯与知识库 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .article-card {
            padding: 25px;
        }

        .article-card h3 {
            font-size: 1.2rem;
            margin-bottom: 15px;
        }

        .article-link {
            display: inline-block;
            margin-top: 15px;
            color: var(--primary);
            text-decoration: none;
            font-weight: 700;
        }

        /* 联系我们与表单 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info-panel {
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-qr {
            width: 150px;
            height: 150px;
            border: 3px solid var(--border-color);
            padding: 5px;
            background: #FFFFFF;
        }

        .contact-qr img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .contact-form-panel {
            padding: 40px;
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px;
            border: 3px solid var(--border-color);
            font-size: 1rem;
            font-family: inherit;
            outline: none;
        }

        .form-control:focus {
            box-shadow: 3px 3px 0px var(--secondary);
        }

        textarea.form-control {
            height: 120px;
            resize: vertical;
        }

        /* 页脚 */
        footer {
            background-color: var(--text-main);
            color: #E2E8F0;
            padding: 60px 0 30px 0;
            border-top: 3px solid var(--border-color);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 2fr;
            gap: 50px;
            margin-bottom: 40px;
        }

        .footer-logo img {
            height: 40px;
            margin-bottom: 15px;
        }

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

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

        .footer-links-col ul a {
            color: #94A3B8;
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links-col ul a:hover {
            color: #FFFFFF;
        }

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

        .friend-links-area a {
            color: #94A3B8;
            text-decoration: none;
            margin-right: 15px;
            display: inline-block;
            font-size: 0.9rem;
        }

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

        .footer-bottom {
            text-align: center;
            border-top: 1px solid #334155;
            padding-top: 20px;
            font-size: 0.85rem;
            color: #64748B;
        }

        /* 浮动工具栏 */
        .floating-bar {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: #FFFFFF;
            border: 3px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            text-decoration: none;
            color: var(--text-main);
            font-weight: 900;
            font-size: 1.2rem;
            box-shadow: 3px 3px 0px var(--primary);
            cursor: pointer;
            position: relative;
        }

        .float-item:hover {
            transform: translate(-2px, -2px);
            box-shadow: 4px 4px 0px var(--secondary);
        }

        .float-qr-popup {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #FFFFFF;
            border: 3px solid var(--border-color);
            padding: 10px;
            display: none;
            box-shadow: 4px 4px 0px var(--accent);
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .steps-grid, .reviews-grid, .articles-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                border-bottom: 3px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .about-grid, .solutions-grid, .contact-layout {
                grid-template-columns: 1fr;
            }
            .services-grid, .steps-grid, .gallery-grid, .reviews-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }