/* CSS Reset & Variables */
        :root {
            --primary: #FFD700; /* 鲜黄 */
            --primary-hover: #F2C200;
            --dark: #121212;
            --dark-card: #1E1E1E;
            --light-bg: #FAF9F6;
            --text-dark: #1E293B;
            --text-light: #64748B;
            --white: #FFFFFF;
            --border: #E2E8F0;
            --shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

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

        /* 鲜黄耀眼 按钮通用样式 */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--primary);
            color: var(--dark);
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 8px;
            border: 2px solid var(--dark);
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
            box-shadow: 3px 3px 0px var(--dark);
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--white);
            color: var(--dark);
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 8px;
            border: 2px solid var(--border);
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background-color: var(--border);
        }

        /* 顶部导航 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            border-bottom: 3px solid var(--dark);
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(10px);
        }

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

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            color: var(--dark);
            font-weight: 800;
            font-size: 1.25rem;
        }

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

        nav {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .nav-link {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        /* 移动端菜单按钮 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            border: none;
            background: none;
            cursor: pointer;
        }

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

        /* Hero首屏 - 严禁使用任何图片资源 */
        .hero {
            background: radial-gradient(circle at 10% 20%, rgb(255, 255, 255) 0%, rgb(255, 251, 230) 90%);
            padding: 80px 0;
            border-bottom: 3px solid var(--dark);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: radial-gradient(circle, var(--primary) 1.5px, transparent 1.5px);
            background-size: 32px 32px;
            opacity: 0.15;
            z-index: 1;
        }

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

        .hero-badge {
            background-color: var(--dark);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            display: inline-block;
            margin-bottom: 20px;
            border: 2px solid var(--primary);
        }

        .hero h1 {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 900;
            color: var(--dark);
            margin-bottom: 24px;
        }

        .hero-p {
            font-size: 1.15rem;
            color: var(--text-light);
            margin-bottom: 36px;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-ctas {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* 核心卖点 & 数据指标 */
        .indicators {
            background-color: var(--dark);
            color: var(--white);
            padding: 40px 0;
            border-bottom: 3px solid var(--dark);
        }

        .indicator-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .indicator-card h3 {
            font-size: 2.5rem;
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 5px;
        }

        .indicator-card p {
            font-size: 0.9rem;
            color: #A0AEC0;
        }

        /* 段落区公用样式 */
        .section-title {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--dark);
            position: relative;
            display: inline-block;
            z-index: 1;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 12px;
            background-color: var(--primary);
            z-index: -1;
            transform: skewX(-15deg);
        }

        .section-title p {
            color: var(--text-light);
            margin-top: 10px;
        }

        section {
            padding: 80px 0;
            border-bottom: 1px solid var(--border);
        }

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

        .service-card {
            background: var(--white);
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 30px;
            transition: var(--transition);
            position: relative;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 6px 6px 0px var(--dark);
        }

        .service-icon {
            background-color: var(--primary);
            color: var(--dark);
            width: 50px;
            height: 50px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.5rem;
            border: 2px solid var(--dark);
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .service-card p {
            color: var(--text-light);
            font-size: 0.95rem;
        }

        /* 一站式AIGC制作 & 解决方案 */
        .production-tabs {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .tab-btn {
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }

        .tab-btn.active, .tab-btn:hover {
            background-color: var(--primary);
            box-shadow: 2px 2px 0px var(--dark);
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
            align-items: center;
        }

        .solution-list {
            list-style: none;
        }

        .solution-list li {
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-list li::before {
            content: '✓';
            color: var(--dark);
            background-color: var(--primary);
            font-weight: 900;
            width: 20px;
            height: 20px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            border: 1px solid var(--dark);
        }

        /* 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .network-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .network-tag {
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 6px 14px;
            border-radius: 4px;
            font-weight: 600;
            font-size: 0.9rem;
        }

        /* 标准化AIGC流程 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            position: relative;
        }

        .workflow-step {
            background-color: var(--white);
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-num {
            background-color: var(--primary);
            color: var(--dark);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            margin: 0 auto 15px;
            border: 2px solid var(--dark);
        }

        /* 技术标准 */
        .tech-standards {
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 40px;
            border-radius: 12px;
        }

        .standards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        /* 客户案例中心 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background-color: var(--white);
            border: 2px solid var(--dark);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 4px 4px 0 var(--dark);
        }

        .case-img-wrapper {
            width: 100%;
            height: 200px;
            background-color: #eee;
            overflow: hidden;
            border-bottom: 2px solid var(--dark);
        }

        .case-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-info {
            padding: 20px;
        }

        .case-info h4 {
            font-weight: 800;
            margin-bottom: 8px;
        }

        /* 对比评测 - 表格规范 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border: 2px solid var(--dark);
            border-radius: 12px;
            background-color: var(--white);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
        }

        .comparison-table th {
            background-color: var(--dark);
            color: var(--white);
            font-weight: 700;
        }

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

        .rating-banner {
            background-color: var(--primary);
            border: 2px solid var(--dark);
            padding: 20px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 30px;
        }

        .rating-stars {
            font-size: 1.5rem;
            color: var(--dark);
        }

        /* 智能需求匹配 - 表单 */
        .form-section {
            background-color: #FFFDF0;
            border: 2px solid var(--dark);
            border-radius: 16px;
            padding: 40px;
        }

        .form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-bottom: 20px;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group.full-width {
            grid-column: span 2;
        }

        .form-label {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .form-input {
            border: 2px solid var(--dark);
            padding: 12px;
            border-radius: 6px;
            background-color: var(--white);
            font-size: 1rem;
            transition: var(--transition);
        }

        .form-input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 2px 2px 0 var(--dark);
        }

        /* Token比价 & 培训 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .token-card {
            background-color: var(--white);
            border: 2px solid var(--dark);
            border-radius: 12px;
            padding: 24px;
            text-align: center;
        }

        .token-price {
            font-size: 2rem;
            font-weight: 900;
            color: var(--dark);
            margin: 15px 0;
        }

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

        .training-card {
            background-color: var(--white);
            border: 2px solid var(--dark);
            border-radius: 8px;
            padding: 20px;
            text-align: center;
            transition: var(--transition);
        }

        .training-card:hover {
            background-color: var(--primary);
            transform: translateY(-5px);
        }

        /* FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            border: 2px solid var(--dark);
            border-radius: 8px;
            background-color: var(--white);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px;
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background-color: #FFFDF0;
        }

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

        .faq-item.active .faq-answer {
            padding: 20px;
            max-height: 500px;
            border-top: 2px solid var(--dark);
        }

        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 700;
        }

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

        /* 自助排查 & 百科 */
        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .wiki-card {
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 20px;
            border-radius: 8px;
        }

        /* 客户评论卡片 (6条) */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .review-card {
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 25px;
            border-radius: 12px;
            position: relative;
        }

        .review-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background-color: var(--primary);
            border: 2px solid var(--dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            margin-bottom: 15px;
        }

        .review-user {
            font-weight: 700;
            font-size: 0.95rem;
        }

        .review-role {
            color: var(--text-light);
            font-size: 0.8rem;
            margin-bottom: 10px;
        }

        /* 资讯与友情链接 */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .article-item {
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 20px;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-link {
            font-weight: 700;
            color: var(--dark);
            text-decoration: none;
            margin-bottom: 10px;
        }

        .article-link:hover {
            color: var(--primary-hover);
        }

        /* 底部与版权 */
        footer {
            background-color: var(--dark);
            color: var(--white);
            padding: 60px 0 20px;
            border-top: 5px solid var(--primary);
        }

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

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

        .footer-col h4 {
            color: var(--primary);
            font-weight: 800;
            margin-bottom: 20px;
            font-size: 1.1rem;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            color: #A0AEC0;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .friend-links-box {
            border-top: 1px solid #2D3748;
            padding-top: 20px;
            margin-top: 20px;
        }

        .friend-links-box a {
            color: #A0AEC0;
            text-decoration: none;
            margin-right: 15px;
            font-size: 0.85rem;
            display: inline-block;
        }

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

        .footer-bottom {
            border-top: 1px solid #2D3748;
            padding-top: 20px;
            text-align: center;
            font-size: 0.85rem;
            color: #718096;
        }

        /* 浮动客服 */
        .floating-service {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 99;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-btn {
            background-color: var(--primary);
            border: 2px solid var(--dark);
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: var(--shadow);
            position: relative;
        }

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

        .qr-hover-box {
            display: none;
            position: absolute;
            bottom: 60px;
            right: 0;
            background-color: var(--white);
            border: 2px solid var(--dark);
            padding: 15px;
            border-radius: 8px;
            box-shadow: var(--shadow);
            width: 180px;
            text-align: center;
        }

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

        .qr-hover-box span {
            font-size: 0.75rem;
            color: var(--dark);
            font-weight: 700;
            margin-top: 5px;
            display: block;
        }

        /* 响应式调整 */
        @media (max-width: 1024px) {
            .services-grid, .token-grid, .reviews-grid, .case-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .workflow-timeline {
                grid-template-columns: repeat(3, 1fr);
            }
            .training-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .indicator-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid, .token-grid, .reviews-grid, .case-grid, .solution-grid, .network-grid, .articles-list {
                grid-template-columns: 1fr;
            }
            .workflow-timeline {
                grid-template-columns: 1fr;
            }
            .training-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .wiki-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .form-group.full-width {
                grid-column: span 1;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }