:root {
            --primary: #4dabf7;
            --secondary: #da77f2;
            --accent-yellow: #ffd43b;
            --accent-pink: #ff8787;
            --accent-green: #3bc9db;
            --dark: #2c3e50;
            --light: #f8f9fa;
            --white: #ffffff;
            --card-shadow: 0 12px 30px rgba(77, 171, 247, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: #fafbfe;
            background-image: 
                radial-gradient(at 0% 0%, rgba(255, 135, 135, 0.1) 0px, transparent 50%),
                radial-gradient(at 50% 0%, rgba(77, 171, 247, 0.1) 0px, transparent 50%),
                radial-gradient(at 100% 0%, rgba(218, 119, 242, 0.1) 0px, transparent 50%),
                radial-gradient(at 100% 100%, rgba(59, 201, 219, 0.1) 0px, transparent 50%),
                radial-gradient(at 0% 100%, rgba(255, 212, 59, 0.1) 0px, transparent 50%);
            background-attachment: fixed;
            color: var(--dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1000;
            border-bottom: 1px solid rgba(255, 255, 255, 0.4);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
        }

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

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

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

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-links a {
            color: var(--dark);
            text-decoration: none;
            font-size: 14px;
            font-weight: 500;
            transition: var(--transition);
            padding: 6px 12px;
            border-radius: 8px;
        }

        .nav-links a:hover {
            background: rgba(77, 171, 247, 0.1);
            color: var(--primary);
        }

        .nav-links .ai-page-home-link {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
        }

        .nav-links .ai-page-home-link:hover {
            opacity: 0.9;
            color: var(--white);
        }

        .menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--dark);
        }

        /* Hero 首屏 - 无图片 */
        .hero {
            padding: 160px 0 100px;
            text-align: center;
            position: relative;
        }

        .hero-tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(218, 119, 242, 0.1);
            color: var(--secondary);
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            border: 1px solid rgba(218, 119, 242, 0.2);
        }

        .hero h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 24px;
            background: linear-gradient(135deg, #1a1a1a, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 18px;
            color: #666;
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            text-decoration: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
            box-shadow: 0 8px 25px rgba(218, 119, 242, 0.35);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(218, 119, 242, 0.5);
        }

        .btn-secondary {
            background: var(--white);
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .btn-secondary:hover {
            background: rgba(77, 171, 247, 0.05);
            transform: translateY(-3px);
        }

        /* 统一标题 */
        .section-header {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 800;
            position: relative;
            display: inline-block;
            padding-bottom: 12px;
            color: var(--dark);
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

        .section-header p {
            color: #777;
            margin-top: 12px;
            font-size: 16px;
        }

        /* 板块公用 */
        section {
            padding: 100px 0;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: -40px;
            position: relative;
            z-index: 10;
        }

        .stats-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 20px;
            padding: 30px 24px;
            text-align: center;
            box-shadow: var(--card-shadow);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .stats-card:hover {
            transform: translateY(-5px);
        }

        .stats-num {
            font-size: 38px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 8px;
        }

        .stats-label {
            font-size: 14px;
            color: #666;
            font-weight: 500;
        }

        /* 关于我们与平台介绍 */
        .about-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 20px;
            color: var(--dark);
        }

        .about-text p {
            color: #666;
            margin-bottom: 20px;
            font-size: 16px;
            line-height: 1.8;
        }

        .features-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .feature-item {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.5);
            padding: 16px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--dark);
        }

        .feature-item::before {
            content: '✦';
            color: var(--secondary);
        }

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

        .service-card {
            background: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.6);
            border-radius: 24px;
            padding: 40px 30px;
            box-shadow: var(--card-shadow);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 20px 40px rgba(218, 119, 242, 0.15);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            margin-bottom: 12px;
        }

        .service-card p {
            color: #666;
            font-size: 14px;
            margin-bottom: 20px;
        }

        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .mini-tag {
            font-size: 11px;
            padding: 4px 10px;
            background: rgba(77, 171, 247, 0.1);
            color: var(--primary);
            border-radius: 20px;
            font-weight: 600;
        }

        /* 一站式AIGC制作 & 解决方案 (含图片展示) */
        .two-column-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .image-wrapper {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.1);
        }

        .image-wrapper img {
            width: 100%;
            height: auto;
            display: block;
            transition: var(--transition);
        }

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

        /* 服务网络与标准化流程 */
        .network-section {
            background: rgba(255, 255, 255, 0.4);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
        }

        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: linear-gradient(180deg, var(--primary), var(--secondary));
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -2px;
            border-radius: 2px;
        }

        .timeline-item {
            padding: 10px 40px;
            position: relative;
            background-color: inherit;
            width: 50%;
        }

        .timeline-item::after {
            content: '';
            position: absolute;
            width: 20px;
            height: 20px;
            right: -10px;
            background-color: var(--white);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left-timeline {
            left: 0;
        }

        .right-timeline {
            left: 50%;
        }

        .right-timeline::after {
            left: -10px;
            border-color: var(--secondary);
        }

        .timeline-content {
            padding: 20px 30px;
            background: var(--white);
            position: relative;
            border-radius: 16px;
            box-shadow: var(--card-shadow);
        }

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

        .case-card {
            background: var(--white);
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-8px);
        }

        .case-img-container {
            height: 200px;
            overflow: hidden;
        }

        .case-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .case-card:hover .case-img-container img {
            transform: scale(1.08);
        }

        .case-info {
            padding: 24px;
        }

        .case-info h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .case-info p {
            color: #666;
            font-size: 14px;
            margin-bottom: 16px;
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 20px;
            box-shadow: var(--card-shadow);
            background: var(--white);
        }

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

        .comparison-table th, .comparison-table td {
            padding: 20px 24px;
            border-bottom: 1px solid #eee;
        }

        .comparison-table th {
            background: linear-gradient(135deg, rgba(77, 171, 247, 0.05), rgba(218, 119, 242, 0.05));
            font-weight: 700;
            color: var(--dark);
        }

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

        .highlight-col {
            background: rgba(77, 171, 247, 0.03);
            font-weight: 600;
        }

        .badge-star {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            color: #f1c40f;
            font-size: 18px;
        }

        /* 需求匹配表单 */
        .form-section {
            background: linear-gradient(135deg, rgba(77, 171, 247, 0.05), rgba(218, 119, 242, 0.05));
        }

        .form-wrapper {
            max-width: 650px;
            margin: 0 auto;
            background: var(--white);
            padding: 40px;
            border-radius: 24px;
            box-shadow: var(--card-shadow);
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            font-size: 14px;
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid #eee;
            border-radius: 12px;
            font-size: 15px;
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(77, 171, 247, 0.15);
        }

        /* FAQ手风琴 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border-radius: 16px;
            margin-bottom: 16px;
            box-shadow: var(--card-shadow);
            overflow: hidden;
        }

        .faq-question {
            padding: 24px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out, padding 0.3s ease-out;
            color: #666;
            font-size: 14px;
            border-top: 0 solid #eee;
        }

        .faq-item.active .faq-answer {
            padding: 20px 24px 24px;
            max-height: 500px;
            border-top: 1px solid #eee;
        }

        .faq-icon::after {
            content: '+';
            font-size: 20px;
            font-weight: bold;
        }

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

        /* 客户评论卡片 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 24px;
        }

        .review-card {
            background: var(--white);
            border-radius: 20px;
            padding: 30px;
            box-shadow: var(--card-shadow);
            position: relative;
        }

        .review-card::before {
            content: '“';
            font-size: 80px;
            position: absolute;
            top: -20px;
            left: 15px;
            color: rgba(77, 171, 247, 0.08);
            font-family: Georgia, serif;
        }

        .review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 20px;
        }

        .review-user-info h4 {
            font-size: 15px;
            font-weight: 700;
        }

        .review-user-info span {
            font-size: 12px;
            color: #888;
        }

        /* 技术培训与百科 */
        .grid-half {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        /* 资讯与友情链接 */
        .footer-news-links {
            background: var(--white);
            padding: 40px 0;
            border-top: 1px solid #eee;
        }

        .news-links-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .article-list a {
            display: block;
            color: #444;
            text-decoration: none;
            padding: 8px 0;
            border-bottom: 1px dashed #eee;
            font-size: 14px;
            transition: var(--transition);
        }

        .article-list a:hover {
            color: var(--primary);
            padding-left: 6px;
        }

        .friend-links a {
            display: inline-block;
            background: rgba(77, 171, 247, 0.05);
            color: var(--primary);
            text-decoration: none;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            margin: 4px;
            transition: var(--transition);
        }

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

        /* 页脚与联系我们 */
        footer {
            background: #1c2833;
            color: #b2babb;
            padding: 80px 0 30px;
            font-size: 14px;
        }

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

        .footer-brand h3 {
            color: var(--white);
            margin-bottom: 20px;
            font-size: 20px;
        }

        .footer-contact-info p {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-qrcode {
            text-align: center;
        }

        .footer-qrcode img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            background: #fff;
            padding: 4px;
            margin-bottom: 8px;
        }

        .copyright-area {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        /* 悬浮侧栏 */
        .floating-contact {
            position: fixed;
            right: 20px;
            bottom: 40px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: var(--white);
            box-shadow: 0 8px 24px rgba(0,0,0,0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: var(--white);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .float-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: var(--white);
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.15);
            padding: 16px;
            display: none;
            width: 180px;
            text-align: center;
            border: 1px solid rgba(0,0,0,0.05);
        }

        .float-popover img {
            width: 100%;
            height: auto;
            border-radius: 8px;
            margin-bottom: 8px;
        }

        .float-popover p {
            font-size: 12px;
            color: var(--dark);
            font-weight: bold;
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .about-content, .two-column-layout, .grid-half, .news-links-grid, .footer-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .hero h1 {
                font-size: 36px;
            }

            .timeline::after {
                left: 31px;
            }

            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }

            .timeline-item::after {
                left: 21px;
            }

            .right-timeline {
                left: 0%;
            }
        }

        @media (max-width: 768px) {
            .menu-btn {
                display: block;
            }

            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background: var(--white);
                padding: 20px;
                border-bottom: 1px solid #eee;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }

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

            .hero {
                padding: 120px 0 60px;
            }
        }