:root {
            --primary: #6366f1;
            --primary-hover: #4f46e5;
            --secondary: #ec4899;
            --neon-blue: #00f0ff;
            --neon-pink: #ff007f;
            --dark-bg: #0f172a;
            --light-bg: #f8fafc;
            --card-bg: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --glow: 0 0 15px rgba(99, 102, 241, 0.2);
            --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: var(--light-bg);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
        }

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            box-shadow: var(--glow);
        }

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

        .brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
        }

        .brand img {
            height: 40px;
            width: auto;
        }

        .brand span {
            font-size: 1.25rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

        .nav-link {
            color: var(--text-main);
            text-decoration: none;
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--neon-blue), var(--neon-pink));
            transition: var(--transition);
        }

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

        .nav-btn {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 8px 20px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            transition: var(--transition);
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.6);
        }

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

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

        /* 移动端菜单激活样式 */
        .menu-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 6px);
        }
        .menu-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .menu-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -6px);
        }

        /* 主体内容排版 */
        main {
            margin-top: 70px;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--dark-bg);
            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(--neon-blue), var(--neon-pink));
            border-radius: 2px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 霓虹亮彩卡片通用基础样式 */
        .neon-card {
            background: var(--card-bg);
            border-radius: 16px;
            border: 1px solid rgba(99, 102, 241, 0.15);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
            transition: var(--transition);
            overflow: hidden;
            position: relative;
        }

        .neon-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--neon-blue), var(--primary), var(--neon-pink));
            opacity: 0;
            transition: var(--transition);
        }

        .neon-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px rgba(99, 102, 241, 0.15), 0 0 15px rgba(236, 72, 153, 0.05);
            border-color: rgba(236, 72, 153, 0.3);
        }

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

        /* Hero 区域（无图片） */
        .hero {
            background: radial-gradient(circle at 90% 10%, rgba(236, 72, 153, 0.08), transparent 40%),
                        radial-gradient(circle at 10% 90%, rgba(0, 240, 255, 0.08), transparent 40%),
                        var(--light-bg);
            padding: 120px 0;
            text-align: center;
            position: relative;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(99, 102, 241, 0.08);
            border: 1px solid rgba(99, 102, 241, 0.2);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 25px;
            box-shadow: 0 2px 10px rgba(99, 102, 241, 0.05);
        }

        .hero h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--dark-bg);
            max-width: 900px;
            margin: 0 auto 20px;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration: none;
            box-shadow: 0 8px 25px rgba(99, 102, 241, 0.3);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(236, 72, 153, 0.5);
        }

        .btn-secondary {
            background: white;
            color: var(--dark-bg);
            border: 1px solid var(--border-color);
            padding: 14px 32px;
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 700;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--glow);
        }

        /* 标签云组件 */
        .tags-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 40px;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }

        .tag-pill {
            background: white;
            border: 1px solid var(--border-color);
            color: var(--text-main);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .tag-pill:hover {
            border-color: var(--secondary);
            color: var(--secondary);
            transform: scale(1.05);
        }

        /* 数据指标 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin-top: 50px;
        }

        .stat-card {
            padding: 30px;
            text-align: center;
        }

        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 关于我们与平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.75rem;
            margin-bottom: 20px;
            color: var(--dark-bg);
        }

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

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

        .features-list li {
            position: relative;
            padding-left: 28px;
            margin-bottom: 12px;
            color: var(--text-main);
            font-weight: 500;
        }

        .features-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--secondary);
            font-weight: 800;
            font-size: 1.1rem;
        }

        .about-visual {
            position: relative;
            padding: 20px;
        }

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

        .service-card {
            padding: 40px 30px;
        }

        .service-icon {
            font-size: 2.5rem;
            margin-bottom: 20px;
            display: inline-block;
        }

        .service-card h3 {
            font-size: 1.35rem;
            margin-bottom: 15px;
            color: var(--dark-bg);
        }

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

        /* 标准化流程 & 时间线 */
        .process-flow {
            position: relative;
            max-width: 800px;
            margin: 40px auto 0;
            padding-left: 30px;
            border-left: 2px solid var(--border-color);
        }

        .process-step {
            position: relative;
            margin-bottom: 40px;
        }

        .process-step:last-child {
            margin-bottom: 0;
        }

        .process-step::before {
            content: '';
            position: absolute;
            left: -41px;
            top: 5px;
            width: 20px;
            height: 20px;
            background: white;
            border: 4px solid var(--primary);
            border-radius: 50%;
            transition: var(--transition);
        }

        .process-step:hover::before {
            border-color: var(--secondary);
            transform: scale(1.2);
        }

        .step-num {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--secondary);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .step-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--dark-bg);
            margin: 5px 0 10px;
        }

        .step-desc {
            color: var(--text-muted);
        }

        /* 对比评测表格 */
        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
            border: 1px solid var(--border-color);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            background: white;
            min-width: 600px;
        }

        .comparison-table th, .comparison-table td {
            padding: 16px 24px;
            border-bottom: 1px solid var(--border-color);
        }

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

        .comparison-table tr:hover {
            background-color: rgba(99, 102, 241, 0.02);
        }

        .comparison-table td strong {
            color: var(--primary);
        }

        .rating-badge {
            background: linear-gradient(135deg, #f59e0b, #ef4444);
            color: white;
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 700;
            display: inline-block;
        }

        /* Token 比价组件 */
        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .token-card {
            padding: 25px;
            text-align: center;
        }

        .token-model {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--dark-bg);
            margin-bottom: 10px;
        }

        .token-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 15px;
        }

        .token-tag {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid rgba(0, 240, 255, 0.2);
            color: #0d9488;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            display: inline-block;
        }

        /* 案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .case-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #eee;
        }

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

        .case-card:hover .case-img-container img {
            transform: scale(1.05);
        }

        .case-info {
            padding: 25px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--dark-bg);
            margin-bottom: 10px;
        }

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

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

        .comment-card {
            padding: 30px;
        }

        .comment-text {
            font-style: italic;
            color: var(--text-main);
            margin-bottom: 20px;
            position: relative;
        }

        .comment-text::before {
            content: "“";
            font-size: 3rem;
            color: rgba(99, 102, 241, 0.15);
            position: absolute;
            top: -20px;
            left: -10px;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
            border-top: 1px solid var(--border-color);
            padding-top: 15px;
        }

        .user-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--neon-blue), var(--neon-pink));
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: 700;
        }

        .user-meta h4 {
            font-size: 0.95rem;
            color: var(--dark-bg);
        }

        .user-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* FAQ 折叠面板 */
        .faq-wrapper {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 15px;
            background: white;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            color: var(--dark-bg);
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--glow);
        }

        .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(248, 250, 252, 0.5);
        }

        .faq-answer-content {
            padding: 20px;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        /* 需求匹配与联系我们表单 */
        .form-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
        }

        .form-info {
            padding: 40px;
            background: linear-gradient(135deg, var(--dark-bg), #1e293b);
            color: white;
            border-radius: 16px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
        }

        .form-info h3 {
            font-size: 1.75rem;
            margin-bottom: 15px;
            color: white;
        }

        .form-info-items {
            list-style: none;
            margin: 30px 0;
        }

        .form-info-items li {
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .info-icon {
            font-size: 1.25rem;
            color: var(--neon-blue);
        }

        .form-info-items a {
            color: var(--neon-blue);
            text-decoration: none;
        }

        .qrcode-container {
            text-align: center;
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 12px;
            border: 1px solid rgba(255,255,255,0.1);
        }

        .qrcode-container img {
            width: 120px;
            height: 120px;
            margin-bottom: 10px;
            border-radius: 8px;
        }

        .form-card {
            padding: 40px;
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: var(--light-bg);
            color: var(--text-main);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
            background: white;
        }

        .form-submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary), var(--secondary));
            color: white;
            border: none;
            padding: 14px;
            font-size: 1.1rem;
            font-weight: 700;
            border-radius: 8px;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(236, 72, 153, 0.5);
        }

        /* 资讯与友情链接 */
        .info-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        .articles-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .article-item {
            display: flex;
            gap: 20px;
            align-items: center;
            padding: 15px;
        }

        .article-date {
            background: rgba(99, 102, 241, 0.08);
            border: 1px solid rgba(99, 102, 241, 0.15);
            color: var(--primary);
            padding: 10px;
            border-radius: 8px;
            text-align: center;
            min-width: 70px;
        }

        .article-date span {
            display: block;
        }

        .article-date .day {
            font-size: 1.5rem;
            font-weight: 800;
        }

        .article-date .month {
            font-size: 0.8rem;
            text-transform: uppercase;
        }

        .article-details h4 {
            font-size: 1.1rem;
            margin-bottom: 5px;
        }

        .article-details h4 a {
            color: var(--dark-bg);
            text-decoration: none;
            transition: var(--transition);
        }

        .article-details h4 a:hover {
            color: var(--primary);
        }

        .article-details p {
            color: var(--text-muted);
            font-size: 0.9rem;
        }

        .side-widget {
            padding: 30px;
        }

        .side-widget h3 {
            font-size: 1.25rem;
            margin-bottom: 20px;
            border-left: 4px solid var(--secondary);
            padding-left: 10px;
            color: var(--dark-bg);
        }

        .links-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .links-cloud a {
            background: var(--light-bg);
            color: var(--text-main);
            border: 1px solid var(--border-color);
            padding: 6px 12px;
            border-radius: 4px;
            font-size: 0.85rem;
            text-decoration: none;
            transition: var(--transition);
        }

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

        /* 浮动客服 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: white;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .float-btn:hover {
            transform: scale(1.1);
            border-color: var(--primary);
        }

        .float-btn svg {
            width: 24px;
            height: 24px;
            fill: var(--primary);
        }

        .float-btn .tooltip-qr {
            position: absolute;
            right: 60px;
            bottom: 0;
            background: white;
            border: 1px solid var(--border-color);
            padding: 15px;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: none;
            flex-direction: column;
            align-items: center;
            width: 140px;
        }

        .float-btn .tooltip-qr img {
            width: 110px;
            height: 110px;
            margin-bottom: 5px;
        }

        .float-btn .tooltip-qr span {
            font-size: 0.75rem;
            color: var(--text-main);
            text-align: center;
        }

        .float-btn:hover .tooltip-qr {
            display: flex;
        }

        /* 页脚 */
        footer {
            background: var(--dark-bg);
            color: #94a3b8;
            padding: 60px 0 30px;
            font-size: 0.9rem;
            border-top: 2px solid var(--secondary);
        }

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

        .footer-brand img {
            height: 45px;
            margin-bottom: 20px;
        }

        .footer-brand p {
            margin-bottom: 15px;
            max-width: 400px;
        }

        .footer-links h4 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

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

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

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

        .footer-links ul li a:hover {
            color: var(--neon-blue);
        }

        .footer-contact h4 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 20px;
        }

        .footer-contact p {
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .footer-bottom p {
            font-size: 0.8rem;
        }

        /* 响应式调整 */
        @media (max-width: 992px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 70px);
                background: white;
                flex-direction: column;
                padding: 40px;
                transition: var(--transition);
                box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            }

            .nav-menu.active {
                left: 0;
            }

            .menu-toggle {
                display: flex;
            }

            .about-layout, .form-layout, .info-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero h1 {
                font-size: 2.2rem;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .btn-primary, .btn-secondary {
                width: 100%;
                text-align: center;
            }
        }