/* 变量及全局重置 */
        :root {
            --bg-base: #f7f9fc;
            --text-dark: #1b1e24;
            --text-muted: #4e5969;
            --color-primary: #0052d9; /* 科技蓝 */
            --color-yellow: #ffd000;   /* 明艳黄 */
            --color-orange: #ff5722;   /* 活力橙 */
            --color-green: #00b42a;    /* 荧光绿 */
            --border-width: 3px;
            --border-color: #1b1e24;
            --shadow-neo: 6px 6px 0px #1b1e24;
            --shadow-neo-hover: 2px 2px 0px #1b1e24;
            --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            --container-max-width: 1200px;
        }

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

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

        /* 统一容器规范 */
        .container {
            max-width: var(--container-max-width);
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

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

        /* 新丑风 Neobrutalism 明艳撞色组件样式 */
        .neo-box {
            background: #ffffff;
            border: var(--border-width) solid var(--border-color);
            box-shadow: var(--shadow-neo);
            border-radius: 12px;
            padding: 30px;
            transition: all 0.2s ease;
            position: relative;
        }

        .neo-box:hover {
            transform: translate(4px, 4px);
            box-shadow: var(--shadow-neo-hover);
        }

        .neo-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-yellow);
            color: var(--text-dark);
            border: var(--border-width) solid var(--border-color);
            box-shadow: var(--shadow-neo);
            border-radius: 8px;
            padding: 12px 28px;
            font-weight: 800;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.2s ease;
            font-size: 1.1rem;
        }

        .neo-btn:hover {
            transform: translate(4px, 4px);
            box-shadow: var(--shadow-neo-hover);
            background-color: #ffc107;
        }

        .neo-btn-primary {
            background-color: var(--color-primary);
            color: #ffffff;
        }
        .neo-btn-primary:hover {
            background-color: #003eb3;
            color: #ffffff;
        }

        .neo-btn-orange {
            background-color: var(--color-orange);
            color: #ffffff;
        }
        .neo-btn-orange:hover {
            background-color: #e64a19;
            color: #ffffff;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 900;
            margin-bottom: 40px;
            text-transform: uppercase;
            letter-spacing: 1px;
            display: inline-block;
            background: var(--color-yellow);
            padding: 10px 20px;
            border: var(--border-width) solid var(--border-color);
            box-shadow: 4px 4px 0px #1b1e24;
            transform: rotate(-1deg);
        }

        .section-intro {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 800px;
            margin-bottom: 50px;
        }

        /* 顶部导航 */
        header {
            background: #ffffff;
            border-bottom: var(--border-width) solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            padding: 15px 0;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .ai-page-logo {
            max-height: 45px;
            width: auto;
        }

        .logo-text {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--text-dark);
            letter-spacing: -0.5px;
        }

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

        nav ul li a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 700;
            font-size: 0.95rem;
            transition: color 0.2s;
            padding: 6px 12px;
            border-radius: 4px;
        }

        nav ul li a:hover {
            background-color: var(--color-yellow);
            border: 2px solid var(--border-color);
        }

        .nav-btn {
            border: 2px solid var(--border-color);
            box-shadow: 3px 3px 0px #1b1e24;
            padding: 8px 18px;
            font-size: 0.9rem;
        }

        /* 移动端导航按钮 */
        .menu-toggle {
            display: none;
            background: var(--color-yellow);
            border: var(--border-width) solid var(--border-color);
            padding: 8px 12px;
            font-weight: 900;
            cursor: pointer;
            box-shadow: 3px 3px 0px #1b1e24;
        }

        /* Hero首屏 (纯色渐变撞色几何设计，严禁出现图片) */
        .hero {
            background: linear-gradient(135deg, #0052d9 0%, #ff5722 100%);
            color: #ffffff;
            padding: 100px 0;
            border-bottom: var(--border-width) solid var(--border-color);
            position: relative;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 80% 20%, var(--color-yellow) 0%, transparent 40%);
            opacity: 0.4;
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 850px;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-yellow);
            color: var(--text-dark);
            border: 2px solid var(--border-color);
            padding: 6px 16px;
            font-weight: 800;
            font-size: 0.95rem;
            transform: rotate(-1.5deg);
            margin-bottom: 25px;
            box-shadow: 4px 4px 0px var(--border-color);
        }

        .hero h1 {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            color: #ffffff;
            text-shadow: 4px 4px 0px var(--border-color);
            margin-bottom: 25px;
        }

        .hero p {
            font-size: 1.3rem;
            margin-bottom: 35px;
            font-weight: 500;
            color: #f0f3fa;
            line-height: 1.5;
            text-shadow: 2px 2px 0px rgba(0,0,0,0.3);
        }

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

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: #ffffff;
            border: var(--border-width) solid var(--border-color);
            box-shadow: var(--shadow-neo);
            border-radius: 12px;
            padding: 25px 20px;
            text-align: center;
        }

        .stat-card:nth-child(even) {
            background-color: var(--color-yellow);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 10px;
        }

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

        /* 服务能力卡片 - 全平台AIGC服务 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .service-tag {
            align-self: flex-start;
            background-color: var(--color-yellow);
            border: 2px solid var(--border-color);
            padding: 4px 10px;
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

        .service-desc {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        /* 支持的AI平台 - 文本墙 */
        .brand-pool {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 30px;
        }

        .brand-tag {
            background: #ffffff;
            border: 2px solid var(--border-color);
            padding: 6px 14px;
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: 6px;
            box-shadow: 2px 2px 0px var(--border-color);
        }

        .brand-tag:hover {
            background-color: var(--color-orange);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* 流程步骤 */
        .steps-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            position: relative;
        }

        .step-num {
            position: absolute;
            top: -20px;
            left: 20px;
            background: var(--color-orange);
            color: #ffffff;
            border: 2px solid var(--border-color);
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.2rem;
            box-shadow: 2px 2px 0px var(--border-color);
            transform: rotate(-5deg);
        }

        .step-card h3 {
            margin-top: 15px;
            margin-bottom: 10px;
            font-size: 1.2rem;
            font-weight: 800;
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border: var(--border-width) solid var(--border-color);
            box-shadow: var(--shadow-neo);
            border-radius: 12px;
            background: #ffffff;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
        }

        th, td {
            padding: 16px 20px;
            border-bottom: 2px solid var(--border-color);
            border-right: 2px solid var(--border-color);
        }

        th {
            background-color: var(--color-yellow);
            color: var(--text-dark);
            font-weight: 800;
        }

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

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

        .highlight-col {
            background-color: rgba(0, 82, 217, 0.05);
            font-weight: 700;
        }

        .badge-score {
            display: inline-block;
            background: var(--color-orange);
            color: #ffffff;
            padding: 2px 8px;
            font-size: 0.9rem;
            border-radius: 4px;
            font-weight: 800;
        }

        /* 案例与素材图展示 */
        .gallery-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .gallery-card {
            padding: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .gallery-img-wrapper {
            border-bottom: var(--border-width) solid var(--border-color);
            background: #eaecef;
            aspect-ratio: 16 / 10;
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

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

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

        .gallery-info {
            padding: 20px;
        }

        .gallery-info h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

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

        .review-card {
            background-color: #ffffff;
        }

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

        .review-user {
            font-weight: 800;
            font-size: 1.1rem;
        }

        .review-role {
            font-size: 0.85rem;
            color: var(--text-muted);
            background: #f0f3fa;
            padding: 2px 8px;
            border-radius: 4px;
        }

        .review-stars {
            color: var(--color-orange);
            font-weight: 800;
        }

        .review-content {
            font-size: 0.95rem;
            color: var(--text-dark);
        }

        /* FAQ折叠面板 */
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            margin-bottom: 15px;
            border: var(--border-width) solid var(--border-color);
            box-shadow: 4px 4px 0px var(--border-color);
            border-radius: 8px;
            background: #ffffff;
            overflow: hidden;
        }

        .faq-question {
            padding: 20px;
            background: #ffffff;
            font-weight: 800;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: background-color 0.2s;
            user-select: none;
        }

        .faq-question:hover {
            background-color: rgba(255, 208, 0, 0.2);
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: all 0.3s ease-out;
            background: #fafafa;
            border-top: 0px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

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

        .faq-icon::after {
            content: '+';
            font-size: 1.5rem;
            font-weight: 900;
        }

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

        /* 表单与需求匹配 */
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .form-wrapper {
            background: #ffffff;
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 15px;
            border: var(--border-width) solid var(--border-color);
            border-radius: 8px;
            font-family: var(--font-family);
            font-size: 1rem;
            font-weight: 600;
            background: #f7f9fc;
        }

        .form-control:focus {
            outline: none;
            background: #ffffff;
            border-color: var(--color-primary);
        }

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

        /* 信息与二维码区 */
        .contact-info-panel {
            display: flex;
            flex-direction: column;
            gap: 25px;
        }

        .contact-card {
            background: var(--color-yellow);
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .qr-wrapper {
            width: 120px;
            height: 120px;
            border: var(--border-width) solid var(--border-color);
            background: #ffffff;
            padding: 5px;
            flex-shrink: 0;
        }

        .qr-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        .contact-meta h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 5px;
        }

        .contact-meta p {
            font-size: 0.95rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        /* 标签云、时间线、服务网络 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .timeline {
            list-style: none;
            position: relative;
            padding-left: 20px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 5px;
            top: 5px;
            bottom: 5px;
            width: 3px;
            background: var(--border-color);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 20px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -20px;
            top: 6px;
            width: 13px;
            height: 13px;
            border-radius: 50%;
            background: var(--color-orange);
            border: 2px solid var(--border-color);
        }

        .timeline-date {
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--color-orange);
        }

        .timeline-content {
            font-size: 0.95rem;
            font-weight: 700;
        }

        /* 知识库/资讯区 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 25px;
        }

        .article-card {
            background-color: #ffffff;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h4 {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .article-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

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

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

        /* 友情链接与页脚 */
        footer {
            background-color: #1b1e24;
            color: #ffffff;
            padding: 60px 0 30px 0;
            border-top: var(--border-width) solid var(--border-color);
        }

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

        .footer-logo-area {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .footer-logo-area p {
            color: #a6b5cc;
            font-size: 0.95rem;
            max-width: 400px;
        }

        .footer-links h5 {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--color-yellow);
        }

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

        .footer-links ul li a {
            color: #a6b5cc;
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.2s;
        }

        .footer-links ul li a:hover {
            color: #ffffff;
        }

        .friend-links {
            margin-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
        }

        .friend-links h5 {
            font-size: 1rem;
            font-weight: 800;
            margin-bottom: 10px;
            color: #a6b5cc;
        }

        .friend-links-list {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links-list a {
            color: #a6b5cc;
            text-decoration: none;
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
            color: #86909c;
            font-size: 0.85rem;
        }

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

        /* 浮动客服入口 */
        .floating-kefu {
            position: fixed;
            right: 25px;
            bottom: 25px;
            z-index: 999;
            background: var(--color-yellow);
            border: var(--border-width) solid var(--border-color);
            box-shadow: 4px 4px 0px var(--border-color);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: transform 0.2s;
        }

        .floating-kefu:hover {
            transform: scale(1.1);
        }

        .floating-kefu svg {
            width: 30px;
            height: 30px;
        }

        .kefu-popover {
            display: none;
            position: absolute;
            bottom: 75px;
            right: 0;
            background: #ffffff;
            border: var(--border-width) solid var(--border-color);
            box-shadow: var(--shadow-neo);
            border-radius: 12px;
            padding: 20px;
            width: 220px;
            text-align: center;
        }

        .kefu-popover.show {
            display: block;
        }

        .kefu-popover img {
            width: 100%;
            height: auto;
            border: 2px solid var(--border-color);
            margin-bottom: 10px;
        }

        .kefu-popover p {
            font-size: 0.85rem;
            font-weight: 800;
            color: var(--text-dark);
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: -20px;
                padding: 0 10px;
            }
            .steps-wrapper, .gallery-grid, .reviews-grid, .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .form-grid, .articles-grid {
                grid-template-columns: 1fr;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            nav {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #ffffff;
                border-bottom: var(--border-width) solid var(--border-color);
                padding: 20px;
                box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            }
            nav.show {
                display: block;
            }
            nav ul {
                flex-direction: column;
                align-items: flex-start;
                gap: 15px;
            }
            .menu-toggle {
                display: block;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .stats-grid, .steps-wrapper, .gallery-grid, .reviews-grid, .grid-3 {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .form-grid {
                gap: 20px;
            }
        }