/* 基础重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8fafc;
            color: #1e293b;
            line-height: 1.6;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: all 0.3s ease;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 撞色艳色风格变量 */
        :root {
            --primary: #ff3838; /* 艳红 */
            --secondary: #17c0eb; /* 霓虹蓝 */
            --accent: #fff200; /* 荧光黄 */
            --dark: #0f172a; /* 极深蓝 */
            --light-bg: #f8fafc;
            --card-bg: #ffffff;
            --gradient-accent: linear-gradient(135deg, #ff3838, #ff9f1a);
            --gradient-cool: linear-gradient(135deg, #17c0eb, #18dcff);
            --border-glow: 2px solid #0f172a;
        }

        /* 页面居中容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 导航 */
        header {
            background-color: var(--white);
            border-bottom: 3px solid var(--dark);
            position: sticky;
            top: 0;
            z-index: 100;
            background: #ffffff;
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .ai-page-logo {
            height: 45px;
            object-fit: contain;
        }
        .logo-text {
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--dark);
            text-transform: uppercase;
            letter-spacing: 1.5px;
        }
        .nav-links {
            display: flex;
            gap: 20px;
            align-items: center;
        }
        .nav-links a {
            font-weight: 700;
            color: var(--dark);
            padding: 8px 12px;
            border-radius: 4px;
            font-size: 0.95rem;
            border: 2px solid transparent;
        }
        .nav-links a:hover {
            background-color: var(--accent);
            border: 2px solid var(--dark);
        }
        .nav-links a.active {
            background-color: var(--secondary);
            color: #fff;
            border: 2px solid var(--dark);
        }
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
        }
        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            transition: 0.3s;
        }

        /* Hero区 (首屏无图) */
        .hero {
            background-color: var(--accent);
            color: var(--dark);
            padding: 100px 0;
            border-bottom: 5px solid var(--dark);
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 300px;
            height: 300px;
            background: var(--secondary);
            border: 5px solid var(--dark);
            border-radius: 50%;
            z-index: 1;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -80px;
            width: 250px;
            height: 250px;
            background: var(--primary);
            border: 5px solid var(--dark);
            transform: rotate(45deg);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }
        .hero-tag {
            background-color: var(--dark);
            color: #fff;
            padding: 6px 16px;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 25px;
            transform: rotate(-1.5deg);
            font-size: 1.1rem;
            border: 2px solid #fff;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 25px;
            text-transform: uppercase;
            text-shadow: 3px 3px 0px #fff, 6px 6px 0px var(--dark);
        }
        .hero-desc {
            font-size: 1.25rem;
            margin-bottom: 40px;
            font-weight: 600;
            color: rgba(15, 23, 42, 0.85);
        }
        .hero-buttons {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }
        .btn {
            padding: 15px 35px;
            font-size: 1.1rem;
            font-weight: 800;
            border-radius: 0px;
            border: 3px solid var(--dark);
            cursor: pointer;
            transition: transform 0.2s, box-shadow 0.2s;
            box-shadow: 4px 4px 0px var(--dark);
        }
        .btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 6px 6px 0px var(--dark);
        }
        .btn:active {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--dark);
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
        }
        .btn-secondary {
            background-color: var(--secondary);
            color: var(--dark);
        }

        /* 数据指标卡片 */
        .stats-section {
            background-color: var(--light-bg);
            padding: 60px 0;
            border-bottom: 3px solid var(--dark);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
        }
        .stat-card {
            background-color: #fff;
            border: 3px solid var(--dark);
            padding: 30px;
            text-align: center;
            box-shadow: 6px 6px 0px var(--dark);
            transition: transform 0.3s;
        }
        .stat-card:hover {
            transform: translateY(-5px);
        }
        .stat-card h3 {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .stat-card p {
            font-weight: 700;
            color: var(--dark);
        }

        /* 通用区块样式 */
        .section-padding {
            padding: 100px 0;
            border-bottom: 3px solid var(--dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }
        .section-tag {
            background-color: var(--secondary);
            color: var(--dark);
            padding: 4px 12px;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 15px;
            border: 2px solid var(--dark);
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 900;
            color: var(--dark);
            position: relative;
            display: inline-block;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .about-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--dark);
        }
        .about-p {
            font-size: 1.05rem;
            margin-bottom: 20px;
            color: #475569;
        }
        .features-bullet {
            list-style: none;
        }
        .features-bullet li {
            position: relative;
            padding-left: 30px;
            margin-bottom: 15px;
            font-weight: 700;
            font-size: 1.05rem;
        }
        .features-bullet li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: #fff;
            background-color: var(--primary);
            width: 22px;
            height: 22px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            border: 2px solid var(--dark);
        }

        /* 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }
        .service-card {
            background-color: #fff;
            border: 3px solid var(--dark);
            padding: 40px 30px;
            box-shadow: 6px 6px 0px var(--dark);
            transition: all 0.3s ease;
        }
        .service-card:hover {
            transform: translate(-4px, -4px);
            box-shadow: 10px 10px 0px var(--dark);
            background-color: var(--accent);
        }
        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--dark);
        }
        .service-card p {
            color: #475569;
            font-size: 0.95rem;
        }

        /* 标签云 */
        .tag-cloud-wrapper {
            margin-top: 50px;
            background-color: #fff;
            border: 3px solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0px var(--dark);
        }
        .tag-cloud-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-align: center;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .tag-item {
            padding: 6px 14px;
            border: 2px solid var(--dark);
            font-weight: 700;
            background-color: #fff;
            transition: 0.2s;
        }
        .tag-item:hover {
            background-color: var(--primary);
            color: #fff;
            transform: rotate(2deg);
        }

        /* 一站式AIGC制作与全行业解决方案 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .scenario-card {
            border: 3px solid var(--dark);
            background: #fff;
            overflow: hidden;
            box-shadow: 6px 6px 0px var(--dark);
        }
        .scenario-header-bar {
            background-color: var(--dark);
            color: #fff;
            padding: 12px 20px;
            font-weight: 800;
            display: flex;
            justify-content: space-between;
        }
        .scenario-body {
            padding: 30px;
        }
        .scenario-body h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 15px;
        }
        .scenario-body p {
            color: #475569;
            margin-bottom: 20px;
        }
        .scenario-footer {
            border-top: 2px solid #e2e8f0;
            padding: 20px 30px;
            background: #f8fafc;
        }

        /* 流程步骤 */
        .steps-wrapper {
            display: flex;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
        }
        .step-item {
            flex: 1;
            min-width: 220px;
            background: #fff;
            border: 3px solid var(--dark);
            padding: 30px;
            position: relative;
            box-shadow: 6px 6px 0px var(--dark);
        }
        .step-num {
            position: absolute;
            top: -20px;
            left: 20px;
            background-color: var(--primary);
            color: #fff;
            border: 3px solid var(--dark);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
        }
        .step-item h3 {
            margin-top: 10px;
            margin-bottom: 15px;
            font-weight: 800;
        }

        /* 对比评测表格与Token比价 */
        .table-responsive {
            overflow-x: auto;
            border: 3px solid var(--dark);
            box-shadow: 8px 8px 0px var(--dark);
            background-color: #fff;
            margin-bottom: 40px;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }
        .comparison-table th, .comparison-table td {
            padding: 18px 20px;
            border-bottom: 2px solid var(--dark);
            border-right: 2px solid var(--dark);
            font-weight: 700;
        }
        .comparison-table th {
            background-color: var(--dark);
            color: #fff;
        }
        .comparison-table th:last-child, .comparison-table td:last-child {
            border-right: none;
        }
        .comparison-table tr:last-child td {
            border-bottom: none;
        }
        .comparison-table tr:nth-child(even) {
            background-color: #f1f5f9;
        }
        .highlight-col {
            background-color: rgba(255, 242, 0, 0.15);
        }
        .badge-score {
            background-color: var(--accent);
            color: var(--dark);
            padding: 6px 12px;
            font-weight: 900;
            border: 2px solid var(--dark);
            display: inline-block;
        }

        /* 培训版块 */
        .training-section {
            background-color: #fff;
        }
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 35px;
        }
        .training-card {
            border: 3px solid var(--dark);
            background-color: #f8fafc;
            padding: 35px;
            box-shadow: 6px 6px 0px var(--dark);
        }
        .training-card.featured {
            border-color: var(--primary);
            background-color: #fff;
            box-shadow: 8px 8px 0px var(--primary);
        }
        .training-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .training-badge {
            font-size: 0.75rem;
            background: var(--dark);
            color: #fff;
            padding: 4px 10px;
            font-weight: 700;
        }
        .training-card.featured .training-badge {
            background: var(--primary);
        }

        /* 案例中心 (包含宣传图、横版、方版) */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .case-card {
            border: 3px solid var(--dark);
            background: #fff;
            box-shadow: 6px 6px 0px var(--dark);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .case-img-container {
            border-bottom: 3px solid var(--dark);
            position: relative;
            background: #e2e8f0;
        }
        .ai-page-image {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }
        .case-info {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .case-info h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
        }
        .case-info p {
            font-size: 0.9rem;
            color: #64748b;
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }
        .review-card {
            background-color: #fff;
            border: 3px solid var(--dark);
            padding: 30px;
            box-shadow: 6px 6px 0px var(--dark);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-content {
            font-style: italic;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
        }
        .review-content::before {
            content: "“";
            font-size: 3rem;
            color: var(--secondary);
            position: absolute;
            top: -20px;
            left: -10px;
            opacity: 0.3;
        }
        .review-user {
            display: flex;
            align-items: center;
            gap: 15px;
            border-top: 2px solid #e2e8f0;
            padding-top: 15px;
        }
        .avatar-placeholder {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: var(--accent);
            border: 2px solid var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
        }

        /* AI术语百科 & 故障排查 */
        .kb-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .kb-box {
            background-color: #fff;
            border: 3px solid var(--dark);
            padding: 35px;
            box-shadow: 6px 6px 0px var(--dark);
        }
        .kb-box h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 25px;
            border-bottom: 3px solid var(--dark);
            padding-bottom: 10px;
            display: inline-block;
        }
        .kb-list {
            list-style: none;
        }
        .kb-list li {
            margin-bottom: 20px;
        }
        .kb-list strong {
            display: block;
            font-size: 1.05rem;
            color: var(--primary);
            margin-bottom: 5px;
        }
        .kb-list p {
            font-size: 0.95rem;
            color: #475569;
        }

        /* FAQ折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border: 3px solid var(--dark);
            margin-bottom: 15px;
            background-color: #fff;
            box-shadow: 4px 4px 0px var(--dark);
        }
        .faq-trigger {
            width: 100%;
            padding: 20px 25px;
            text-align: left;
            background: none;
            border: none;
            font-size: 1.1rem;
            font-weight: 800;
            color: var(--dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-trigger::after {
            content: "+";
            font-size: 1.5rem;
            transition: transform 0.3s;
        }
        .faq-item.active .faq-trigger::after {
            content: "−";
        }
        .faq-content {
            padding: 0 25px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: #475569;
            font-size: 0.95rem;
        }
        .faq-item.active .faq-content {
            padding: 0 25px 20px 25px;
            max-height: 200px;
        }

        /* 资讯与加盟代理 */
        .news-agent-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .agent-card {
            background-color: var(--accent);
            border: 3px solid var(--dark);
            padding: 40px;
            box-shadow: 6px 6px 0px var(--dark);
        }
        .agent-card h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .news-list {
            list-style: none;
        }
        .news-list li {
            border-bottom: 2px solid #e2e8f0;
            padding: 15px 0;
        }
        .news-list li:last-child {
            border-bottom: none;
        }
        .news-list a {
            font-weight: 700;
            display: block;
            margin-bottom: 5px;
        }
        .news-list a:hover {
            color: var(--primary);
        }
        .news-list span {
            font-size: 0.8rem;
            color: #94a3b8;
        }

        /* 需求表单 */
        .contact-section {
            background-color: var(--dark);
            color: #fff;
        }
        .contact-section .section-title {
            color: #fff;
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }
        .contact-info h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 25px;
            color: var(--accent);
        }
        .contact-info p {
            margin-bottom: 15px;
            font-weight: 600;
        }
        .qr-code-wrapper {
            margin-top: 30px;
            background: #fff;
            padding: 20px;
            display: inline-block;
            border: 4px solid var(--accent);
            text-align: center;
            color: var(--dark);
        }
        .qr-code-wrapper img {
            width: 150px;
            height: 150px;
            margin-bottom: 10px;
        }
        .form-card {
            background-color: #fff;
            border: 4px solid var(--accent);
            padding: 40px;
            color: var(--dark);
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: 3px solid var(--dark);
            font-size: 1rem;
            font-weight: 600;
            border-radius: 0;
        }
        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 4px 4px 0 var(--secondary);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 120px;
        }

        /* 页脚 */
        footer {
            background-color: #0b0f19;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 5px solid var(--dark);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 40px;
            margin-bottom: 45px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 20px;
            border-left: 4px solid var(--primary);
            padding-left: 10px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        .footer-links a {
            color: #94a3b8;
            font-weight: 600;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }
        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }
        .friend-links a {
            font-size: 0.85rem;
            color: #64748b;
        }
        .friend-links a:hover {
            color: var(--secondary);
        }

        /* 浮动组件 */
        .float-widget {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .float-item {
            width: 50px;
            height: 50px;
            background-color: #fff;
            border: 3px solid var(--dark);
            box-shadow: 3px 3px 0px var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            cursor: pointer;
            position: relative;
        }
        .float-item:hover {
            background-color: var(--accent);
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0px var(--dark);
        }
        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: #fff;
            border: 3px solid var(--dark);
            padding: 15px;
            display: none;
            box-shadow: 4px 4px 0px var(--dark);
            text-align: center;
        }
        .qr-popover img {
            width: 120px;
            height: 120px;
        }
        .float-item:hover .qr-popover {
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .about-grid, .kb-grid, .news-agent-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                width: 100%;
                background-color: #fff;
                flex-direction: column;
                padding: 20px;
                border-bottom: 3px solid var(--dark);
            }
            .nav-links.show {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
        }