:root {
            --primary-neon: #00f0ff;
            --secondary-neon: #ff007f;
            --accent-neon: #bd00ff;
            --dark-bg: #0f172a;
            --light-bg: #f8fafc;
            --text-dark: #0f172a;
            --text-light: #f8fafc;
            --text-muted: #64748b;
            --card-bg: rgba(255, 255, 255, 0.85);
            --border-color: rgba(0, 240, 255, 0.2);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--light-bg);
            color: var(--text-dark);
            overflow-x: hidden;
        }

        body {
            position: relative;
            background-image: 
                radial-gradient(circle at 10% 20%, rgba(0, 240, 255, 0.05) 0%, transparent 40%),
                radial-gradient(circle at 90% 80%, rgba(ff, 0, 7f, 0.05) 0%, transparent 40%);
        }

        /* 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;
            width: 100%;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
            z-index: 1000;
            transition: var(--transition);
        }

        header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 240, 255, 0.1);
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .ai-page-logo {
            height: 40px;
            object-fit: contain;
        }

        .logo-text {
            font-weight: 800;
            font-size: 1.2rem;
            background: linear-gradient(135deg, var(--text-dark) 30%, var(--secondary-neon) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

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

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

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

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

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .btn-neon-sm {
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            text-decoration: none;
            border: 1px solid var(--primary-neon);
            color: var(--text-dark);
            background: transparent;
            transition: var(--transition);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.1);
        }

        .btn-neon-sm:hover {
            background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
            color: white;
            border-color: transparent;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.4);
            transform: translateY(-2px);
        }

        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            background: none;
            border: none;
            color: var(--text-dark);
            cursor: pointer;
        }

        /* 英雄首屏 (无图片) */
        .hero-section {
            padding: 160px 0 100px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        /* 霓虹发光背景块，不使用任何图片 */
        .hero-glow-1 {
            position: absolute;
            top: 20%;
            left: 15%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(0, 240, 255, 0.15) 0%, transparent 70%);
            filter: blur(40px);
            z-index: -1;
            animation: floatGlow 10s infinite alternate;
        }

        .hero-glow-2 {
            position: absolute;
            bottom: 10%;
            right: 15%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 0, 127, 0.15) 0%, transparent 70%);
            filter: blur(40px);
            z-index: -1;
            animation: floatGlow 12s infinite alternate-reverse;
        }

        @keyframes floatGlow {
            0% { transform: translateY(0) scale(1); }
            100% { transform: translateY(-30px) scale(1.1); }
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 30px;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--primary-neon);
            color: var(--text-dark);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            letter-spacing: 1px;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.1);
        }

        .hero-title {
            font-size: 3rem;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 25px;
            letter-spacing: -1px;
        }

        .hero-title span {
            background: linear-gradient(90deg, #00c6ff, #0072ff, var(--secondary-neon));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.2rem;
            color: var(--text-muted);
            max-width: 750px;
            margin: 0 auto 35px auto;
            line-height: 1.6;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 50px;
        }

        .btn-primary {
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 30px;
            text-decoration: none;
            background: linear-gradient(90deg, var(--primary-neon), var(--secondary-neon));
            color: white;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255, 0, 127, 0.3);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 25px rgba(255, 0, 127, 0.5), 0 0 15px var(--primary-neon);
        }

        .btn-secondary {
            padding: 14px 32px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 30px;
            text-decoration: none;
            background: transparent;
            color: var(--text-dark);
            border: 2px solid var(--text-dark);
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-secondary:hover {
            background: var(--text-dark);
            color: var(--text-light);
            transform: translateY(-3px);
        }

        /* 标签区 */
        .hero-tags {
            max-width: 900px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .hero-tag-item {
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid rgba(0, 0, 0, 0.05);
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .hero-tag-item:hover {
            border-color: var(--accent-neon);
            color: var(--accent-neon);
            transform: translateY(-1px);
        }

        /* 公用区块样式 */
        section {
            padding: 90px 0;
            position: relative;
        }

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

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }

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

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -30px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px 20px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.05);
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary-neon);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.1);
        }

        .stat-num {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--text-dark) 40%, var(--primary-neon) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 关于我们与图文配图 */
        .about-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            font-weight: 700;
        }

        .about-content p {
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 25px;
            font-size: 1.05rem;
        }

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

        .about-features li {
            position: relative;
            padding-left: 25px;
            margin-bottom: 12px;
            font-weight: 500;
        }

        .about-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary-neon);
            font-weight: bold;
        }

        .img-wrapper {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            border: 2px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
        }

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

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

        /* 服务能力卡片 */
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 35px 25px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .service-card:hover {
            transform: translateY(-5px);
            border-color: rgba(0, 240, 255, 0.4);
            box-shadow: 0 15px 30px rgba(0, 240, 255, 0.08);
        }

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

        .service-icon {
            font-size: 2.2rem;
            margin-bottom: 20px;
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* 平台支撑与聚合标志 */
        .platform-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
            max-width: 1000px;
            margin: 0 auto;
        }

        .cloud-tag {
            background: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(0, 240, 255, 0.15);
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-dark);
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .cloud-tag:hover {
            background: var(--text-dark);
            color: var(--text-light);
            border-color: var(--secondary-neon);
            box-shadow: 0 5px 15px rgba(255, 0, 127, 0.2);
            transform: translateY(-2px);
        }

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

        .step-item {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            padding: 30px 20px;
            border-radius: 16px;
            text-align: center;
            position: relative;
        }

        .step-num {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-neon), var(--accent-neon));
            color: white;
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(0, 240, 255, 0.3);
        }

        .step-item h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 解决方案双栏轮排 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 40px;
        }

        .solution-box {
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(0, 0, 0, 0.05);
            border-radius: 16px;
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .solution-box h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .solution-box p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        /* 对比评测表格 */
        .table-responsive {
            overflow-x: auto;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0, 240, 255, 0.03);
            background: white;
        }

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

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid #f1f5f9;
        }

        .comparison-table th {
            background-color: #f8fafc;
            font-weight: 700;
            color: var(--text-dark);
        }

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

        .comparison-table tbody tr:hover {
            background-color: rgba(0, 240, 255, 0.02);
        }

        .badge-star {
            display: inline-block;
            padding: 4px 10px;
            background: linear-gradient(90deg, #ff9a00, #ff5a00);
            color: white;
            font-weight: bold;
            font-size: 0.85rem;
            border-radius: 4px;
        }

        .score-highlight {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--secondary-neon);
        }

        /* 案例展示区 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }

        .case-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            border-color: var(--secondary-neon);
            box-shadow: 0 15px 35px rgba(255, 0, 127, 0.1);
        }

        .case-img-holder {
            width: 100%;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

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

        .case-card:hover .case-img-holder img {
            transform: scale(1.03);
        }

        .case-info {
            padding: 25px;
        }

        .case-info h3 {
            font-size: 1.25rem;
            margin-bottom: 10px;
        }

        .case-info p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* Token 比价 */
        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .price-card {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 35px 25px;
            text-align: center;
            transition: var(--transition);
        }

        .price-card.popular {
            border: 2px solid var(--secondary-neon);
            box-shadow: 0 15px 30px rgba(255, 0, 127, 0.08);
            transform: scale(1.03);
            position: relative;
        }

        .price-badge {
            position: absolute;
            top: -15px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--secondary-neon);
            color: white;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
        }

        .price-card h3 {
            font-size: 1.4rem;
            margin-bottom: 15px;
        }

        .price-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 20px;
        }

        .price-num span {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: normal;
        }

        .price-list {
            list-style: none;
            margin-bottom: 30px;
            text-align: left;
        }

        .price-list li {
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            border-bottom: 1px solid #f1f5f9;
        }

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

        .testimonial-card {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            transition: var(--transition);
        }

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

        .testimonial-text {
            font-style: italic;
            color: var(--text-dark);
            line-height: 1.6;
            margin-bottom: 20px;
            font-size: 0.95rem;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            color: white;
            font-weight: bold;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
        }

        .author-info h4 {
            font-size: 0.95rem;
            font-weight: 700;
        }

        .author-info p {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 常见用户问题 FAQ 折叠面板 */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 10px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px;
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

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

        .faq-item.active .faq-question::after {
            content: '−';
            transform: rotate(90deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            background-color: #fafbfc;
        }

        .faq-answer-inner {
            padding: 20px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
            border-top: 1px solid #f1f5f9;
        }

        /* 术语百科与最新资讯 */
        .wiki-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 40px;
        }

        .wiki-wrap {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }

        .wiki-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
        }

        .wiki-item {
            padding: 15px;
            background: white;
            border-radius: 8px;
            border-left: 3px solid var(--primary-neon);
        }

        .wiki-item h4 {
            font-size: 0.95rem;
            margin-bottom: 5px;
        }

        .wiki-item p {
            font-size: 0.8rem;
            color: var(--text-muted);
            line-height: 1.4;
        }

        .articles-wrap {
            background: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 30px;
        }

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

        .article-list li {
            margin-bottom: 15px;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
            padding-bottom: 15px;
        }

        .article-list li:last-child {
            margin-bottom: 0;
            border-bottom: none;
            padding-bottom: 0;
        }

        .article-list a {
            text-decoration: none;
            color: var(--text-dark);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            display: block;
            margin-bottom: 5px;
        }

        .article-list a:hover {
            color: var(--secondary-neon);
        }

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

        /* 智能匹配与联系我们 (表单合并区) */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
        }

        .contact-info-panel {
            background: white;
            border: 1px solid #e2e8f0;
            border-radius: 16px;
            padding: 40px;
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .contact-card-title {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: -10px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .contact-icon-bg {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--primary-neon);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--secondary-neon);
            font-weight: bold;
        }

        .qr-section {
            display: flex;
            align-items: center;
            gap: 20px;
            border-top: 1px solid #f1f5f9;
            padding-top: 20px;
        }

        .qr-section img {
            width: 100px;
            height: 100px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
        }

        .form-panel {
            background: var(--card-bg);
            border: 2px solid var(--primary-neon);
            border-radius: 16px;
            padding: 40px;
            box-shadow: 0 15px 30px rgba(0, 240, 255, 0.05);
        }

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

        .form-label {
            display: block;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #cbd5e1;
            border-radius: 8px;
            background: white;
            font-size: 0.95rem;
            transition: var(--transition);
        }

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

        /* 友情链接与页脚 */
        footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 30px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

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

        .footer-brand h3 {
            color: white;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 15px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .footer-links h4 {
            color: white;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 15px;
        }

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

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

        .footer-links a {
            color: #94a3b8;
            text-decoration: none;
            font-size: 0.9rem;
            transition: var(--transition);
        }

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

        .friend-links-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 25px;
            margin-bottom: 25px;
        }

        .friend-links-title {
            color: white;
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .friend-links-container {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .friend-links-container a {
            color: #64748b;
            text-decoration: none;
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .friend-links-container a:hover {
            color: var(--secondary-neon);
        }

        .copyright-area {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
        }

        .copyright-area a {
            color: #94a3b8;
            text-decoration: none;
        }

        /* 侧边浮动组件 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: white;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
            border: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            position: relative;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text-dark);
        }

        .float-btn:hover {
            background: linear-gradient(135deg, var(--primary-neon), var(--secondary-neon));
            color: white;
            transform: translateY(-3px);
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.3);
        }

        .float-qr-popup {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: white;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }

        .float-qr-popup img {
            width: 120px;
            height: 120px;
            margin-bottom: 8px;
        }

        .float-qr-popup p {
            font-size: 0.75rem;
            color: var(--text-dark);
            font-weight: 600;
        }

        .float-btn:hover .float-qr-popup {
            display: block;
        }

        /* 响应式媒体查询 */
        @media (max-width: 992px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .grid-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .solutions-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .price-grid {
                grid-template-columns: 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .contact-layout {
                grid-template-columns: 1fr;
            }
            .wiki-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: white;
                border-bottom: 1px solid var(--border-color);
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .about-layout {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .copyright-area {
                flex-direction: column;
                gap: 10px;
                text-align: center;
            }
        }