/* 撞色艳色风 (Neo-brutalism 风格) 核心变量与基础重置 */
        :root {
            --primary: #2563eb;       /* 亮电光蓝 */
            --secondary: #ff5a00;     /* 艳橘 */
            --accent: #a855f7;        /* 亮紫 */
            --accent-yellow: #facc15; /* 柠檬黄 */
            --dark: #0f172a;          /* 深灰黑 */
            --light: #f8fafc;         /* 浅灰底 */
            --white: #ffffff;
            --border-width: 3px;
            --shadow-offset: 6px;
        }

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

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

        /* 基础撞色组件样式 */
        .brutal-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: var(--shadow-offset) var(--shadow-offset) 0px var(--dark);
            padding: 24px;
            transition: all 0.2s ease;
            position: relative;
        }

        .brutal-card:hover {
            transform: translate(-3px, -3px);
            box-shadow: calc(var(--shadow-offset) + 3px) calc(var(--shadow-offset) + 3px) 0px var(--dark);
        }

        .brutal-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 800;
            text-decoration: none;
            color: var(--dark);
            background: var(--accent-yellow);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            cursor: pointer;
            transition: all 0.15s ease;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .brutal-btn:active {
            transform: translate(2px, 2px);
            box-shadow: 2px 2px 0px var(--dark);
        }

        .brutal-btn.primary {
            background: var(--secondary);
            color: var(--white);
        }

        .brutal-btn.blue {
            background: var(--primary);
            color: var(--white);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        section {
            padding: 80px 0;
            border-bottom: var(--border-width) solid var(--dark);
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 900;
            margin-bottom: 40px;
            display: inline-block;
            background: var(--accent-yellow);
            padding: 10px 20px;
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            transform: rotate(-1deg);
        }

        /* Header 导航 */
        header {
            background: var(--white);
            border-bottom: var(--border-width) solid var(--dark);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 15px 0;
        }

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

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

        .logo-area img {
            height: 45px;
            width: auto;
        }

        .nav-menu {
            display: flex;
            list-style: none;
        }

        .nav-menu a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 6px 12px;
            border: 2px solid transparent;
            transition: all 0.2s ease;
        }

        .nav-menu a:hover {
            border: 2px solid var(--dark);
            background: var(--accent-yellow);
            box-shadow: 2px 2px 0px var(--dark);
        }

        .nav-actions {
            display: flex;
            gap: 15px;
            align-items: center;
        }

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            background: none;
            border: 2px solid var(--dark);
            padding: 8px;
            cursor: pointer;
        }

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background: var(--dark);
        }

        /* Hero 区域（无图片） */
        .hero {
            background: linear-gradient(135deg, #e0f2fe 0%, #ffe4e6 100%);
            padding: 100px 0 85px;
            border-bottom: var(--border-width) solid var(--dark);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(var(--dark) 1.5px, transparent 1.5px);
            background-size: 24px 24px;
            opacity: 0.15;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .hero-badge {
            background: var(--accent);
            color: var(--white);
            padding: 6px 16px;
            font-weight: 800;
            border: 2px solid var(--dark);
            display: inline-block;
            margin-bottom: 20px;
            box-shadow: 3px 3px 0px var(--dark);
            transform: rotate(1.5deg);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--dark);
            margin-bottom: 25px;
            text-shadow: 2px 2px 0px var(--white);
        }

        .hero p {
            font-size: 1.25rem;
            font-weight: 500;
            color: #334155;
            margin-bottom: 35px;
            background: rgba(255, 255, 255, 0.85);
            padding: 15px;
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: 60px;
        }

        .stat-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            padding: 20px;
            text-align: center;
        }

        .stat-card .value {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 5px;
        }

        .stat-card .label {
            font-weight: 700;
            font-size: 1rem;
            color: var(--dark);
        }

        /* 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.75rem;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .about-text p {
            margin-bottom: 20px;
            color: #334155;
            font-size: 1.05rem;
        }

        .about-image-wrapper {
            border: var(--border-width) solid var(--dark);
            box-shadow: 8px 8px 0px var(--dark);
            background: var(--accent-yellow);
            overflow: hidden;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .about-image-wrapper img {
            width: 100%;
            height: auto;
            display: block;
        }

        /* 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            border: var(--border-width) solid var(--dark);
            padding: 30px;
            position: relative;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 8px;
            background: var(--primary);
        }

        .service-card.orange::before { background: var(--secondary); }
        .service-card.purple::before { background: var(--accent); }

        .service-icon {
            font-size: 2rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .service-card ul {
            list-style: none;
            margin-bottom: 20px;
        }

        .service-card ul li {
            position: relative;
            padding-left: 20px;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .service-card ul li::before {
            content: "✓";
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: 900;
        }

        /* 标签云组件 */
        .tag-cloud-wrapper {
            margin-top: 40px;
            padding: 30px;
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
        }

        .tag-cloud-title {
            font-weight: 800;
            margin-bottom: 20px;
            font-size: 1.2rem;
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .tag-item {
            padding: 6px 14px;
            font-size: 0.9rem;
            font-weight: 700;
            border: 2px solid var(--dark);
            background: var(--white);
            cursor: default;
            transition: all 0.15s ease;
        }

        .tag-item:hover {
            background: var(--accent-yellow);
            transform: translateY(-2px);
        }

        /* 标准化流程步骤 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            padding: 24px;
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -15px;
            right: 15px;
            background: var(--secondary);
            color: var(--white);
            font-weight: 900;
            padding: 4px 12px;
            border: 2px solid var(--dark);
            box-shadow: 2px 2px 0px var(--dark);
        }

        .step-card h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-top: 10px;
            margin-bottom: 10px;
        }

        /* 全行业解决方案与全国网络 */
        .network-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 25px;
        }

        .network-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 24px;
            box-shadow: 4px 4px 0px var(--dark);
        }

        .network-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: var(--primary);
        }

        /* 案例中心（带图） */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .case-img-holder {
            border-bottom: var(--border-width) solid var(--dark);
            overflow: hidden;
            background: #e2e8f0;
            height: 200px;
            position: relative;
        }

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

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

        .case-body {
            padding: 20px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-body h4 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .case-body p {
            font-size: 0.95rem;
            color: #475569;
            margin-bottom: 15px;
        }

        /* 对比评测表格 */
        .compare-table-wrapper {
            overflow-x: auto;
            border: var(--border-width) solid var(--dark);
            box-shadow: 8px 8px 0px var(--dark);
            background: var(--white);
            margin-bottom: 40px;
        }

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

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 2px solid var(--dark);
            border-right: 2px solid var(--dark);
            font-weight: 700;
        }

        .compare-table th {
            background: var(--dark);
            color: var(--white);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .compare-table td:last-child, .compare-table th:last-child {
            border-right: none;
        }

        .compare-table td.highlight {
            background: #eff6ff;
            color: var(--primary);
        }

        .compare-badge {
            background: var(--accent-yellow);
            border: 2px solid var(--dark);
            padding: 4px 10px;
            font-size: 0.85rem;
            display: inline-block;
        }

        .score-box {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--accent-yellow);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            padding: 20px;
            margin-top: 30px;
        }

        .score-value {
            font-size: 3rem;
            font-weight: 900;
            color: var(--dark);
        }

        /* 职业培训 & 人工智能培训 */
        .training-section {
            background: #faf5ff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            padding: 24px;
            transition: transform 0.2s ease;
        }

        .training-card:hover {
            transform: translateY(-5px);
            background: #fdf4ff;
        }

        .training-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--accent);
            border-bottom: 2px solid var(--dark);
            padding-bottom: 8px;
        }

        /* Token 比价 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .token-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            padding: 20px;
            box-shadow: 4px 4px 0px var(--dark);
        }

        .token-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 2px solid var(--dark);
            padding-bottom: 10px;
            margin-bottom: 15px;
        }

        .token-name {
            font-weight: 800;
            font-size: 1.1rem;
        }

        .token-price {
            font-weight: 900;
            color: var(--secondary);
        }

        /* FAQ 常见问题折叠面板 */
        .faq-wrapper {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            border: var(--border-width) solid var(--dark);
            background: var(--white);
            margin-bottom: 15px;
            box-shadow: 4px 4px 0px var(--dark);
        }

        .faq-question {
            padding: 20px;
            font-weight: 800;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background: #fff;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 900;
            transition: transform 0.2s ease;
        }

        .faq-item.active .faq-question::after {
            content: '-';
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 0.95rem;
            color: #475569;
            border-top: 0px solid var(--dark);
        }

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

        /* 自助排查 & 百科 */
        .troubleshoot-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        /* 客户评论 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 5px 5px 0px var(--dark);
            padding: 25px;
        }

        .review-text {
            font-style: italic;
            font-weight: 500;
            margin-bottom: 20px;
            position: relative;
        }

        .review-text::before {
            content: "“";
            font-size: 3rem;
            color: var(--accent-yellow);
            position: absolute;
            top: -25px;
            left: -10px;
            z-index: -1;
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 2px solid #f1f5f9;
            padding-top: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            background: var(--primary);
            color: var(--white);
            border: 2px solid var(--dark);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
        }

        .review-card:nth-child(2n) .user-avatar { background: var(--secondary); }
        .review-card:nth-child(3n) .user-avatar { background: var(--accent); }

        .user-info h5 {
            font-weight: 800;
            font-size: 0.95rem;
        }

        .user-info span {
            font-size: 0.8rem;
            color: #64748b;
        }

        /* 资讯与知识库 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
        }

        .news-card {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 4px 4px 0px var(--dark);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-card h4 {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .news-card p {
            font-size: 0.9rem;
            color: #64748b;
            margin-bottom: 15px;
        }

        .news-link {
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .news-link:hover {
            text-decoration: underline;
        }

        /* 表单与需求匹配 */
        .form-section {
            background: #fffbeb;
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: flex-start;
        }

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

        .form-intro p {
            margin-bottom: 15px;
            color: #475569;
        }

        .brutal-form {
            background: var(--white);
            border: var(--border-width) solid var(--dark);
            box-shadow: 8px 8px 0px var(--dark);
            padding: 30px;
        }

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

        .form-group label {
            display: block;
            font-weight: 800;
            margin-bottom: 8px;
        }

        .form-control {
            width: 100%;
            padding: 12px;
            border: var(--border-width) solid var(--dark);
            font-weight: 700;
            background: var(--light);
            outline: none;
        }

        .form-control:focus {
            background: var(--white);
            border-color: var(--primary);
            box-shadow: 2px 2px 0px var(--dark);
        }

        /* 联系我们 & 加盟代理 */
        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .contact-card {
            text-align: center;
        }

        .qr-wrapper {
            margin: 20px auto;
            border: var(--border-width) solid var(--dark);
            box-shadow: 6px 6px 0px var(--dark);
            width: 180px;
            height: 180px;
            background: #fff;
            padding: 10px;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .qr-wrapper img {
            max-width: 100%;
            height: auto;
        }

        /* 底部 */
        footer {
            background: var(--dark);
            color: var(--white);
            padding: 60px 0 30px;
            font-weight: 500;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            border-bottom: 2px solid rgba(255, 255, 255, 0.1);
            padding-bottom: 40px;
            margin-bottom: 30px;
        }

        .footer-brand h4 {
            font-size: 1.5rem;
            font-weight: 900;
            margin-bottom: 15px;
            color: var(--accent-yellow);
        }

        .footer-links h5 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 15px;
            color: var(--white);
        }

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

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

        .footer-links ul li a {
            color: #cbd5e1;
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        .friend-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 10px;
        }

        .friend-links a {
            color: #cbd5e1;
            text-decoration: none;
            font-size: 0.9rem;
            background: rgba(255, 255, 255, 0.08);
            padding: 4px 10px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        .friend-links a:hover {
            background: var(--accent-yellow);
            color: var(--dark);
            border-color: var(--dark);
        }

        .copyright-area {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            font-size: 0.9rem;
            color: #94a3b8;
        }

        .ai-page-home-link {
            color: var(--accent-yellow);
            font-weight: bold;
            text-decoration: underline;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            background: var(--accent-yellow);
            border: 2px solid var(--dark);
            box-shadow: 3px 3px 0px var(--dark);
            width: 55px;
            height: 55px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            text-decoration: none;
            color: var(--dark);
            cursor: pointer;
            transition: all 0.2s ease;
            position: relative;
        }

        .float-btn:hover {
            transform: translate(-2px, -2px);
            box-shadow: 5px 5px 0px var(--dark);
        }

        .float-btn .tooltip {
            position: absolute;
            right: 70px;
            background: var(--white);
            border: 2px solid var(--dark);
            padding: 6px 12px;
            font-size: 0.85rem;
            white-space: nowrap;
            display: none;
            box-shadow: 3px 3px 0px var(--dark);
        }

        .float-btn:hover .tooltip {
            display: block;
        }

        .float-qr {
            position: absolute;
            right: 70px;
            bottom: 0;
            background: var(--white);
            border: 2px solid var(--dark);
            padding: 10px;
            display: none;
            box-shadow: 4px 4px 0px var(--dark);
            width: 150px;
            text-align: center;
        }

        .float-qr img {
            width: 100%;
            height: auto;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: var(--white);
                border-bottom: var(--border-width) solid var(--dark);
                padding: 20px;
                gap: 15px;
                box-shadow: 4px 4px 0px var(--dark);
            }

            .nav-menu.active {
                display: flex;
            }

            .menu-toggle {
                display: flex;
            }

            .about-grid, .form-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 640px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }
            .hero-btns a {
                width: 100%;
            }
        }