:root {
            --primary: #00f0ff;
            --secondary: #d300ff;
            --dark: #0f172a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-light: #f8fafc;
            --bg-card: #ffffff;
            --border-color: #e2e8f0;
            --neon-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
            --transition: all 0.3s ease;
        }

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

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

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: var(--transition);
        }

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

        .logo-box {
            display: flex;
            align-items: center;
            height: 45px;
        }

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

        .nav-menu a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 500;
            font-size: 14px;
            transition: var(--transition);
        }

        .nav-menu a:hover {
            color: var(--secondary);
        }

        .nav-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 8px 16px;
            border-radius: 20px;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: #ffffff !important;
            font-size: 14px;
            font-weight: 600;
            text-decoration: none;
            box-shadow: var(--neon-shadow);
            transition: var(--transition);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 25px rgba(211, 0, 255, 0.4);
        }

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

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

        /* Hero首屏 - 严禁出现图片 */
        .hero {
            padding: 160px 0 100px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 240, 255, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(211, 0, 255, 0.08) 0%, transparent 50%),
                        #ffffff;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background-color: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            color: #008fa7;
            font-size: 14px;
            font-weight: 600;
            border-radius: 50px;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .hero h1 {
            font-size: 2.5rem;
            line-height: 1.3;
            color: var(--dark);
            margin-bottom: 20px;
            font-weight: 800;
        }

        .hero h1 span {
            background: linear-gradient(135deg, #008fa7, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 800px;
            margin: 0 auto 40px;
        }

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

        .btn-main {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            color: #ffffff;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            border: none;
            border-radius: 30px;
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 10px 25px rgba(0, 240, 255, 0.3);
            transition: var(--transition);
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 35px rgba(211, 0, 255, 0.5);
        }

        .btn-outline {
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            color: var(--dark);
            background: #ffffff;
            border: 2px solid var(--border-color);
            border-radius: 30px;
            cursor: pointer;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: translateY(-3px);
        }

        /* 数据指标 */
        .stats-section {
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

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

        .stat-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            text-align: center;
            border-radius: 16px;
            box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--primary);
            box-shadow: var(--neon-shadow);
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 8px;
            background: linear-gradient(135deg, #008fa7, var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 通用Section结构 */
        section {
            padding: 90px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .section-header h2 {
            font-size: 2rem;
            color: var(--dark);
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

        .section-header h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            border-radius: 2px;
        }

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

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

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

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .about-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .about-feat-item {
            padding: 15px;
            border-left: 3px solid var(--primary);
            background: rgba(0, 240, 255, 0.03);
            font-size: 14px;
            font-weight: 600;
        }

        .about-img-box {
            position: relative;
            padding: 20px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(211, 0, 255, 0.1));
            border-radius: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* 服务能力 & 一站式制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px 30px;
            border-radius: 20px;
            transition: var(--transition);
        }

        .service-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary);
            box-shadow: 0 15px 30px rgba(211, 0, 255, 0.1);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: linear-gradient(135deg, rgba(0, 240, 255, 0.1), rgba(211, 0, 255, 0.1));
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 25px;
            color: var(--secondary);
            font-size: 24px;
            font-weight: bold;
        }

        .service-card h3 {
            font-size: 20px;
            color: var(--dark);
            margin-bottom: 15px;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
        }

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

        .service-tags span {
            font-size: 12px;
            padding: 4px 10px;
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            color: var(--text-muted);
        }

        /* 支持模型滚动墙 */
        .models-box {
            overflow: hidden;
            padding: 20px 0;
            position: relative;
            background: rgba(15, 23, 42, 0.02);
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-top: 40px;
        }

        .models-track {
            display: flex;
            width: max-content;
            animation: scroll 30s linear infinite;
            gap: 30px;
        }

        .model-item {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            padding: 10px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 50px;
            white-space: nowrap;
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }

        @keyframes scroll {
            0% { transform: translateX(0); }
            100% { transform: translateX(-50%); }
        }

        /* 制作流程 & 时间线 */
        .timeline {
            position: relative;
            max-width: 800px;
            margin: 0 auto;
        }

        .timeline::after {
            content: '';
            position: absolute;
            width: 4px;
            background: var(--border-color);
            top: 0;
            bottom: 0;
            left: 50%;
            margin-left: -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(--bg-card);
            border: 4px solid var(--primary);
            top: 15px;
            border-radius: 50%;
            z-index: 1;
        }

        .left { left: 0; }
        .right { left: 50%; }

        .right::after { left: -10px; }

        .timeline-content {
            padding: 20px;
            background-color: var(--bg-card);
            position: relative;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
        }

        .timeline-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: var(--dark);
        }

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

        .case-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            overflow: hidden;
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        }

        .case-img-box {
            height: 200px;
            overflow: hidden;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .case-body {
            padding: 25px;
        }

        .case-tag {
            display: inline-block;
            font-size: 12px;
            color: var(--secondary);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .case-body h3 {
            font-size: 18px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .case-body p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 对比评测表格 */
        .comparison-table-wrapper {
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            background: var(--bg-card);
        }

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

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

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

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

        .highlight-col {
            background-color: rgba(0, 240, 255, 0.05);
            font-weight: 600;
        }

        .score-badge {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: bold;
        }

        /* 需求匹配与表单 */
        .form-section {
            background: radial-gradient(circle at 10% 90%, rgba(211, 0, 255, 0.05) 0%, transparent 50%), #ffffff;
        }

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

        .form-intro h3 {
            font-size: 26px;
            color: var(--dark);
            margin-bottom: 20px;
        }

        .form-intro p {
            color: var(--text-muted);
            margin-bottom: 30px;
        }

        .contact-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 40px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            font-size: 14px;
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.2);
        }

        /* FAQ折叠面板 */
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

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

        .faq-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            background: #ffffff;
            user-select: none;
        }

        .faq-header h3 {
            font-size: 16px;
            color: var(--dark);
            font-weight: 600;
        }

        .faq-icon {
            transition: var(--transition);
            font-weight: bold;
            color: var(--secondary);
        }

        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background: var(--bg-light);
        }

        .faq-content p {
            padding: 20px;
            font-size: 14px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-content {
            max-height: 200px;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        /* 用户评论 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .comment-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 30px;
            border-radius: 20px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

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

        .comment-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 20px;
        }

        .comment-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            font-size: 18px;
        }

        .comment-meta h4 {
            font-size: 16px;
            color: var(--dark);
        }

        .comment-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .comment-rating {
            color: #f59e0b;
            margin-bottom: 15px;
            font-size: 14px;
        }

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

        /* 标签云与术语百科 */
        .tags-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .tag-cloud-item {
            padding: 8px 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-main);
            transition: var(--transition);
        }

        .tag-cloud-item:hover {
            border-color: var(--primary);
            color: var(--secondary);
            box-shadow: var(--neon-shadow);
            transform: scale(1.05);
        }

        /* 文章列表 */
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .article-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 25px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card:hover {
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        .article-card h3 {
            font-size: 16px;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-card a {
            color: var(--secondary);
            text-decoration: none;
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .article-card a:hover {
            text-decoration: underline;
        }

        /* 浮动客服 */
        .float-contact {
            position: fixed;
            right: 20px;
            bottom: 20px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
        }

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

        .float-qrcode {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            padding: 10px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: none;
            width: 140px;
            border: 1px solid var(--border-color);
        }

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

        .float-item:hover .float-qrcode {
            display: block;
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-logo {
            margin-bottom: 20px;
        }

        .footer-logo img {
            max-height: 40px;
            
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
        }

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

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

        .footer-col ul li a {
            color: #94a3b8;
            text-decoration: none;
            transition: var(--transition);
        }

        .footer-col ul li a:hover {
            color: var(--primary);
        }

        .footer-qrcode-box {
            display: flex;
            gap: 20px;
            margin-top: 15px;
        }

        .footer-qr-item {
            text-align: center;
            font-size: 12px;
        }

        .footer-qr-item img {
            width: 80px;
            height: 80px;
            background: white;
            padding: 5px;
            border-radius: 4px;
            margin-bottom: 5px;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

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

        .friend-links a {
            color: #64748b;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .stats-grid, .services-grid, .case-grid, .comments-grid, .article-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0,0,0,0.05);
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .stats-grid, .services-grid, .case-grid, .comments-grid, .article-grid, .about-grid, .form-grid, .faq-grid {
                grid-template-columns: 1fr;
            }
            .timeline::after {
                left: 31px;
            }
            .timeline-item {
                width: 100%;
                padding-left: 70px;
                padding-right: 25px;
            }
            .timeline-item::after {
                left: 21px;
            }
            .right {
                left: 0%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }