:root {
            --bg-dark: #070314;
            --bg-card: rgba(18, 10, 36, 0.75);
            --primary-pink: #ff007f;
            --primary-purple: #9d00ff;
            --cyan-accent: #00f0ff;
            --text-main: #f3efff;
            --text-muted: #a59cb8;
            --border-glow: rgba(255, 0, 127, 0.3);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        body {
            background-color: var(--bg-dark);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
            line-height: 1.6;
        }

        /* 隐藏滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-dark);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--primary-purple);
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary-pink);
        }

        /* 全局容器 */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            width: 100%;
        }

        /* 霓虹发光效果 */
        .text-glow {
            text-shadow: 0 0 10px rgba(255, 0, 127, 0.5), 0 0 20px rgba(157, 0, 255, 0.3);
        }
        .border-glow-hover:hover {
            box-shadow: 0 0 15px var(--primary-pink), 0 0 5px var(--cyan-accent);
            border-color: var(--cyan-accent);
        }

        /* 导航栏 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(7, 3, 20, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 0, 127, 0.15);
        }

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

        .logo-container {
            display: flex;
            align-items: center;
        }

        .ai-page-logo {
            height: 40px;
            width: auto;
            filter: drop-shadow(0 0 8px var(--primary-pink));
        }

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

        .nav-links a {
            color: var(--text-main);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            padding: 5px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--primary-pink), var(--cyan-accent));
            transition: var(--transition);
        }

        .nav-links a:hover::after {
            width: 100%;
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            color: white;
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 600;
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.4);
            transition: var(--transition);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.7);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            border: none;
            background: transparent;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* 首屏 Hero 区域 - 无任何图片 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 50% 30%, rgba(157, 0, 255, 0.15), transparent 70%);
            text-align: center;
            position: relative;
        }

        .hero::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image: linear-gradient(rgba(255, 0, 127, 0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255, 0, 127, 0.03) 1px, transparent 1px);
            background-size: 40px 40px;
            pointer-events: none;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 0, 127, 0.1);
            border: 1px solid var(--primary-pink);
            border-radius: 30px;
            color: var(--primary-pink);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            letter-spacing: 1px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255, 0, 127, 0.4); }
            70% { box-shadow: 0 0 0 10px rgba(255, 0, 127, 0); }
            100% { box-shadow: 0 0 0 0 rgba(255, 0, 127, 0); }
        }

        .hero h1 {
            font-size: clamp(32px, 5vw, 54px);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #fff 30%, var(--primary-pink) 70%, var(--cyan-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn-primary {
            background: linear-gradient(90deg, var(--primary-pink), var(--primary-purple));
            color: white;
            padding: 15px 36px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.5);
            transition: var(--transition);
            border: none;
            display: inline-block;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 30px rgba(255, 0, 127, 0.8), 0 0 10px var(--cyan-accent);
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-main);
            padding: 15px 36px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
            text-decoration: none;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
            display: inline-block;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--primary-pink);
            box-shadow: 0 0 15px rgba(157, 0, 255, 0.3);
        }

        /* 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(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 24px;
            border-radius: 16px;
            transition: var(--transition);
            backdrop-filter: blur(10px);
            text-align: center;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary-pink);
            box-shadow: 0 10px 20px rgba(255, 0, 127, 0.1);
        }

        .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--cyan-accent);
            margin-bottom: 8px;
            background: linear-gradient(90deg, var(--cyan-accent), var(--primary-purple));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 通用区块样式 */
        section {
            padding: 100px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            color: var(--primary-pink);
            font-size: 14px;
            text-transform: uppercase;
            letter-spacing: 2px;
            font-weight: 700;
            margin-bottom: 12px;
            display: block;
        }

        .section-title {
            font-size: clamp(26px, 4vw, 36px);
            font-weight: 800;
            color: #fff;
            margin-bottom: 20px;
        }

        .section-subtitle {
            color: var(--text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 16px;
        }

        /* 关于我们与平台介绍 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--primary-pink);
        }

        .about-text {
            color: var(--text-muted);
            margin-bottom: 30px;
            font-size: 16px;
            line-height: 1.8;
        }

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

        .features-list li {
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-main);
        }

        .features-list li::before {
            content: "✓";
            color: var(--cyan-accent);
            font-weight: bold;
        }

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

        .service-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 40px 30px;
            border-radius: 20px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-pink), var(--primary-purple));
            opacity: 0;
            transition: var(--transition);
        }

        .service-card:hover::before {
            opacity: 1;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 0, 127, 0.3);
            box-shadow: 0 15px 30px rgba(157, 0, 255, 0.15);
        }

        .service-icon {
            font-size: 40px;
            margin-bottom: 24px;
            color: var(--primary-pink);
        }

        .service-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .service-desc {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
        }

        /* 支持的 AI 平台标签云 */
        .brand-cloud {
            margin-top: 50px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }

        .brand-tag {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 14px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .brand-tag:hover {
            background: rgba(255, 0, 127, 0.1);
            color: var(--primary-pink);
            border-color: var(--primary-pink);
            transform: scale(1.05);
        }

        /* 标准化流程步骤 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            position: relative;
        }

        .process-step {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 20px;
            text-align: center;
            position: relative;
            z-index: 2;
        }

        .step-number {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            margin: 0 auto 24px;
            box-shadow: 0 0 15px var(--primary-pink);
        }

        .step-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .step-desc {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 案例展示区 */
        .portfolio-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .portfolio-card {
            background: var(--bg-card);
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .portfolio-card:hover {
            transform: translateY(-8px);
            border-color: var(--cyan-accent);
            box-shadow: 0 10px 25px rgba(0, 240, 255, 0.15);
        }

        .portfolio-image-wrapper {
            width: 100%;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .portfolio-image-wrapper img {
            width: 100%;
            height: auto;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .portfolio-info {
            padding: 24px;
        }

        .portfolio-tag {
            font-size: 12px;
            color: var(--cyan-accent);
            text-transform: uppercase;
            font-weight: 700;
            margin-bottom: 8px;
            display: inline-block;
        }

        .portfolio-title {
            font-size: 20px;
            color: #fff;
            margin-bottom: 12px;
        }

        .portfolio-desc {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            background: var(--bg-card);
            border-radius: 20px;
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 20px;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 800px;
        }

        .compare-table th, .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .compare-table th {
            font-weight: 700;
            color: #fff;
            background: rgba(255, 0, 127, 0.05);
        }

        .compare-table tr:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .highlight-col {
            color: var(--primary-pink);
            font-weight: 700;
            background: rgba(255, 0, 127, 0.03);
        }

        .badge-star {
            color: #ffd700;
            font-size: 16px;
        }

        /* FAQ 问答列表（手风琴） */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 12px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--primary-pink);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: rgba(0, 0, 0, 0.2);
        }

        .faq-answer-content {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.6;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
        }

        /* 评论卡片样式 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 30px;
            border-radius: 20px;
            position: relative;
        }

        .review-quote {
            color: var(--text-muted);
            font-size: 14px;
            font-style: italic;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .author-info h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 4px;
        }

        .author-info p {
            font-size: 12px;
            color: var(--cyan-accent);
        }

        /* 表单与需求匹配 */
        .contact-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-panel {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
            gap: 20px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            border: 2px solid var(--primary-pink);
            margin-bottom: 8px;
        }

        .qr-item p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .form-panel {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            padding: 40px;
            border-radius: 24px;
        }

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

        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .form-input, .form-select, .form-textarea {
            width: 100%;
            background: rgba(7, 3, 20, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 8px;
            padding: 12px 16px;
            color: #fff;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--primary-pink);
            box-shadow: 0 0 10px rgba(255, 0, 127, 0.3);
            outline: none;
        }

        .btn-submit {
            width: 100%;
            background: linear-gradient(90deg, var(--primary-pink), var(--primary-purple));
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-submit:hover {
            box-shadow: 0 0 20px var(--primary-pink);
            transform: translateY(-2px);
        }

        /* 资讯与知识库（最新文章） */
        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin-top: 40px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.05);
            border-radius: 16px;
            padding: 24px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            transform: translateY(-5px);
            border-color: var(--cyan-accent);
        }

        .article-title {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .article-link {
            color: var(--cyan-accent);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
            margin-top: 15px;
        }

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

        /* 悬浮客服面板 */
        .floating-kefu {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            background: linear-gradient(135deg, var(--primary-pink), var(--primary-purple));
            width: 60px;
            height: 60px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(255, 0, 127, 0.6);
            transition: var(--transition);
        }

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

        .floating-kefu svg {
            width: 28px;
            height: 28px;
            fill: #fff;
        }

        .kefu-popover {
            position: absolute;
            bottom: 80px;
            right: 0;
            background: var(--bg-card);
            border: 1px solid var(--primary-pink);
            border-radius: 12px;
            padding: 20px;
            width: 220px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            display: none;
            backdrop-filter: blur(10px);
        }

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

        .kefu-popover img {
            width: 140px;
            height: 140px;
            border-radius: 6px;
            margin-bottom: 10px;
        }

        .kefu-popover p {
            font-size: 12px;
            color: var(--text-main);
        }

        /* 页脚 */
        footer {
            background: #04020a;
            border-top: 1px solid rgba(255, 0, 127, 0.15);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 14px;
        }

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

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

        .footer-title {
            color: #fff;
            font-weight: 700;
            margin-bottom: 20px;
            font-size: 16px;
        }

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

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

        .footer-links a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

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

        .friend-links a {
            color: var(--text-muted);
            text-decoration: none;
            font-size: 12px;
            transition: var(--transition);
        }

        .friend-links a:hover {
            color: var(--cyan-accent);
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .about-grid, .contact-wrapper {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: rgba(7, 3, 20, 0.95);
                padding: 20px;
                border-bottom: 1px solid rgba(255, 0, 127, 0.15);
            }
            .nav-links.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }