:root {
            --primary: #FF007A; /* 艳色潮流粉 */
            --secondary: #00F0FF; /* 潮流电光蓝 */
            --dark: #0F0C1B; /* 深邃紫黑底 */
            --light-bg: #F8F9FD; /* 浅色干净背景 */
            --text-main: #1A1A2E; /* 深色正文字体 */
            --text-muted: #62627A;
            --accent: #7000FF; /* 紫色渐变过渡 */
            --border-color: #E2E8F0;
        }

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

        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-main);
        }

        body {
            overflow-x: hidden;
            line-height: 1.6;
        }

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

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

        /* 艳色潮流风格背景装饰 */
        .deco-gradient-1 {
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255,0,122,0.1) 0%, rgba(0,240,255,0.05) 100%);
            top: 10%;
            left: -150px;
            border-radius: 50%;
            pointer-events: none;
            z-index: 1;
        }

        /* 标题样式 */
        .section-title {
            text-align: center;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            color: var(--text-main);
            position: relative;
            z-index: 2;
        }

        .section-title span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .section-subtitle {
            text-align: center;
            color: var(--text-muted);
            max-width: 700px;
            margin: 0 auto 50px auto;
            font-size: 1.1rem;
        }

        /* 导航栏 */
        header {
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            box-shadow: 0 4px 30px rgba(0,0,0,0.03);
            border-bottom: 1px solid rgba(255,0,122,0.1);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 80px;
        }

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

        .ai-page-logo {
            height: 48px;
            width: auto;
        }

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

        nav a {
            text-decoration: none;
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            transition: color 0.3s;
        }

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

        .header-btn {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            padding: 10px 20px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            box-shadow: 0 4px 15px rgba(255,0,122,0.3);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .header-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,0,122,0.4);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 6px;
            cursor: pointer;
        }

        .menu-toggle span {
            width: 25px;
            height: 3px;
            background-color: var(--text-main);
            transition: 0.3s;
        }

        /* 1. Hero 首屏 - 无图片，纯CSS视觉 */
        .hero-section {
            padding: 180px 0 100px 0;
            background: radial-gradient(circle at 80% 20%, rgba(0,240,255,0.08) 0%, transparent 50%),
                        radial-gradient(circle at 10% 80%, rgba(255,0,122,0.08) 0%, transparent 50%),
                        var(--light-bg);
            text-align: center;
        }

        .hero-content {
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(255, 0, 122, 0.1);
            color: var(--primary);
            padding: 8px 16px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            margin-bottom: 24px;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: 1px solid rgba(255, 0, 122, 0.2);
        }

        .hero-title {
            font-size: 3.5rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-main);
            margin-bottom: 24px;
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.25rem;
            color: var(--text-muted);
            margin-bottom: 40px;
            line-height: 1.8;
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            padding: 16px 36px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 700;
            box-shadow: 0 10px 25px rgba(255,0,122,0.3);
            transition: all 0.3s;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(255,0,122,0.4);
        }

        .btn-secondary {
            background: white;
            color: var(--text-main);
            border: 2px solid var(--text-main);
            padding: 14px 34px;
            border-radius: 50px;
            text-decoration: none;
            font-size: 1.1rem;
            font-weight: 700;
            transition: all 0.3s;
        }

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

        /* 2. 关于我们 */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .about-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 1.05rem;
        }

        .about-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

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

        .stat-card .num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            display: block;
            margin-bottom: 5px;
        }

        .stat-card .label {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .about-media-box {
            background: linear-gradient(135deg, rgba(255,0,122,0.05) 0%, rgba(0,240,255,0.05) 100%);
            border-radius: 24px;
            padding: 20px;
            border: 2px dashed rgba(255,0,122,0.2);
            text-align: center;
        }

        .about-media-box img {
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }

        /* 3. AIGC服务 & 4. 一站式制作 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background: white;
            border-radius: 20px;
            padding: 40px 30px;
            transition: all 0.3s;
            border: 1px solid var(--border-color);
            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), var(--accent));
            opacity: 0;
            transition: opacity 0.3s;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
            border-color: rgba(255,0,122,0.2);
        }

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

        .service-icon {
            width: 60px;
            height: 60px;
            background: rgba(255,0,122,0.05);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
            font-size: 1.8rem;
            color: var(--primary);
        }

        .service-card h3 {
            font-size: 1.3rem;
            margin-bottom: 15px;
            font-weight: 700;
        }

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

        /* 5. 解决方案 */
        .solution-section {
            background-color: white;
        }

        .solution-tabs-container {
            display: flex;
            gap: 15px;
            justify-content: center;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .solution-tab {
            padding: 12px 28px;
            background: var(--light-bg);
            border: 1px solid var(--border-color);
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }

        .solution-tab.active, .solution-tab:hover {
            background: var(--primary);
            color: white;
            border-color: var(--primary);
        }

        .solution-content {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
            background: var(--light-bg);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--border-color);
        }

        .solution-info h4 {
            font-size: 1.8rem;
            margin-bottom: 20px;
            color: var(--text-main);
        }

        .solution-info ul {
            list-style: none;
            margin-bottom: 25px;
        }

        .solution-info li {
            margin-bottom: 12px;
            position: relative;
            padding-left: 25px;
            color: var(--text-muted);
        }

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

        /* 6. 全国服务网络 */
        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 40px;
            align-items: center;
        }

        .network-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .network-item {
            background: white;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 10px rgba(0,0,0,0.02);
        }

        .network-item h5 {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 5px;
        }

        .network-item p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .map-mockup {
            background: linear-gradient(135deg, #1e1b4b 0%, #0f172a 100%);
            border-radius: 20px;
            height: 350px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .map-mockup::before {
            content: '';
            position: absolute;
            width: 200%;
            height: 200%;
            background: radial-gradient(rgba(255, 0, 122, 0.15) 10%, transparent 60%);
            animation: pulse 8s infinite linear;
        }

        @keyframes pulse {
            0% { transform: translate(-25%, -25%) rotate(0deg); }
            100% { transform: translate(-25%, -25%) rotate(360deg); }
        }

        /* 7. 标准化流程 */
        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            position: relative;
        }

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

        .step-num {
            width: 40px;
            height: 40px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 20px auto;
            box-shadow: 0 4px 10px rgba(255,0,122,0.3);
        }

        .step-card h4 {
            font-size: 1.2rem;
            margin-bottom: 10px;
        }

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

        /* 8. 客户案例中心 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .case-card {
            background: white;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            transition: transform 0.3s;
        }

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

        .case-img-box {
            position: relative;
            background: #E2E8F0;
            overflow: hidden;
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .case-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

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

        .case-badge {
            position: absolute;
            top: 15px;
            left: 15px;
            background: rgba(15, 12, 27, 0.85);
            color: white;
            padding: 5px 12px;
            font-size: 0.8rem;
            border-radius: 20px;
            backdrop-filter: blur(5px);
        }

        .case-body {
            padding: 25px;
        }

        .case-body h4 {
            font-size: 1.15rem;
            margin-bottom: 10px;
        }

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

        /* 9. 对比评测 */
        .rating-box {
            background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
            color: white;
            border-radius: 24px;
            padding: 40px;
            margin-bottom: 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .rating-left h4 {
            font-size: 2rem;
            margin-bottom: 10px;
        }

        .rating-stars {
            color: #FFD700;
            font-size: 1.8rem;
            margin-bottom: 10px;
        }

        .rating-score {
            font-size: 4rem;
            font-weight: 900;
            line-height: 1;
        }

        .rating-score span {
            font-size: 1.5rem;
            font-weight: 500;
            opacity: 0.7;
        }

        .comparison-table-wrapper {
            overflow-x: auto;
            background: white;
            border-radius: 20px;
            border: 1px solid var(--border-color);
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
        }

        .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: #F8FAFC;
            font-weight: 700;
            color: var(--text-main);
        }

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

        .highlight-col {
            background: rgba(255, 0, 122, 0.02);
            font-weight: 600;
        }

        /* 11. Token比价 */
        .token-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .token-chart-box {
            background: white;
            border-radius: 24px;
            padding: 30px;
            border: 1px solid var(--border-color);
        }

        .token-bar {
            margin-bottom: 20px;
        }

        .token-bar-label {
            display: flex;
            justify-content: space-between;
            margin-bottom: 8px;
            font-size: 0.95rem;
            font-weight: 600;
        }

        .token-bar-track {
            height: 16px;
            background: #E2E8F0;
            border-radius: 8px;
            overflow: hidden;
        }

        .token-bar-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 8px;
            width: 0;
            transition: width 1.5s ease-in-out;
        }

        /* 12. & 13. 培训认证 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 25px;
        }

        .course-card {
            background: white;
            border-radius: 20px;
            padding: 30px 25px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            height: 100%;
        }

        .course-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 25px rgba(255,0,122,0.05);
        }

        .course-card h4 {
            font-size: 1.25rem;
            margin-bottom: 15px;
            color: var(--text-main);
        }

        .course-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 20px;
        }

        .course-tag {
            background: var(--light-bg);
            color: var(--accent);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            align-self: flex-start;
        }

        /* 15. FAQ 折叠面板 */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            border-radius: 16px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-question {
            padding: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.1rem;
            user-select: none;
        }

        .faq-answer {
            padding: 0 24px 24px 24px;
            display: none;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 0.95rem;
            border-top: 1px solid transparent;
        }

        .faq-item.active {
            border-color: rgba(255, 0, 122, 0.3);
            box-shadow: 0 4px 20px rgba(0,0,0,0.02);
        }

        .faq-item.active .faq-answer {
            display: block;
            border-top-color: var(--border-color);
        }

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

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

        /* 16. AI术语百科 */
        .terms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .term-card {
            background: white;
            border-radius: 16px;
            padding: 25px;
            border: 1px solid var(--border-color);
        }

        .term-card h4 {
            font-size: 1.15rem;
            color: var(--text-main);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .term-card h4::before {
            content: '';
            display: inline-block;
            width: 8px;
            height: 8px;
            background-color: var(--primary);
            border-radius: 50%;
        }

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

        /* 17. 行业资讯 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .article-card {
            background: white;
            border-radius: 20px;
            padding: 30px;
            border: 1px solid var(--border-color);
            transition: all 0.3s;
        }

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

        .article-card h4 {
            font-size: 1.2rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .article-card h4 a {
            text-decoration: none;
            color: var(--text-main);
            transition: color 0.3s;
        }

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

        .article-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 20px;
            padding-top: 15px;
            border-top: 1px solid var(--border-color);
        }

        /* 10/18/19. 智能匹配, 联系我们 & 加盟代理 表单 */
        .form-section {
            background-color: white;
        }

        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        .contact-info-panel {
            background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
            color: white;
            border-radius: 24px;
            padding: 50px 40px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .contact-info-panel h3 {
            font-size: 2rem;
            margin-bottom: 30px;
        }

        .contact-details {
            margin-bottom: 40px;
        }

        .contact-item {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 25px;
        }

        .contact-icon {
            font-size: 1.5rem;
            color: var(--secondary);
        }

        .contact-text h5 {
            font-size: 0.85rem;
            opacity: 0.7;
        }

        .contact-text p {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .qr-item {
            background: rgba(255, 255, 255, 0.1);
            padding: 20px;
            border-radius: 16px;
            text-align: center;
            backdrop-filter: blur(10px);
        }

        .qr-item img {
            width: 100%;
            max-width: 120px;
            border-radius: 8px;
            margin-bottom: 10px;
        }

        .qr-item p {
            font-size: 0.8rem;
            font-weight: 600;
        }

        .form-panel {
            background: var(--light-bg);
            border-radius: 24px;
            padding: 40px;
            border: 1px solid var(--border-color);
        }

        .form-panel h3 {
            font-size: 1.8rem;
            margin-bottom: 30px;
        }

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

        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 700;
            font-size: 0.9rem;
        }

        .form-control {
            width: 100%;
            padding: 14px 20px;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            background: white;
            font-size: 1rem;
            transition: all 0.3s;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(255, 0, 122, 0.1);
        }

        textarea.form-control {
            height: 120px;
            resize: none;
        }

        .submit-btn {
            width: 100%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            color: white;
            border: none;
            padding: 16px;
            border-radius: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 8px 20px rgba(255, 0, 122, 0.25);
            transition: all 0.3s;
        }

        .submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 25px rgba(255, 0, 122, 0.35);
        }

        /* 客户评论卡片 */
        .comments-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .comment-card {
            background: white;
            border-radius: 20px;
            padding: 35px;
            border: 1px solid var(--border-color);
            box-shadow: 0 5px 15px rgba(0,0,0,0.02);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-size: 0.98rem;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 25px;
            position: relative;
        }

        .comment-text::before {
            content: "“";
            font-size: 3rem;
            color: rgba(255, 0, 122, 0.1);
            position: absolute;
            top: -20px;
            left: -15px;
            font-family: serif;
        }

        .comment-user {
            display: flex;
            align-items: center;
            gap: 15px;
        }

        .user-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--light-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

        .user-info h5 {
            font-size: 0.95rem;
            color: var(--text-main);
        }

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

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 80px 0 30px 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand p {
            margin-top: 20px;
            line-height: 1.6;
        }

        .footer-links h4, .footer-contact h4 {
            color: white;
            font-size: 1.1rem;
            margin-bottom: 25px;
            font-weight: 700;
        }

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

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        .footer-contact p {
            margin-bottom: 15px;
        }

        .friendship-links {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            margin-bottom: 30px;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friendship-links a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color 0.3s;
        }

        .friendship-links a:hover {
            color: white;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* 侧边浮动组件 */
        .floating-action {
            position: fixed;
            right: 20px;
            bottom: 20px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            z-index: 999;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            cursor: pointer;
            transition: all 0.3s;
            position: relative;
        }

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

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

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

        .qr-popup img {
            width: 100%;
            border-radius: 6px;
        }

        .qr-popup p {
            color: var(--text-main);
            font-size: 0.8rem;
            margin-top: 8px;
            font-weight: bold;
        }

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

        /* 响应式调整 */
        @media (max-width: 992px) {
            .hero-title {
                font-size: 2.8rem;
            }
            .about-grid, .network-grid, .token-grid, .contact-grid {
                grid-template-columns: 1fr;
            }
            .cases-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .menu-toggle {
                display: flex;
            }
            nav {
                display: none;
                position: absolute;
                top: 80px;
                left: 0;
                right: 0;
                background: white;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                border-bottom: 1px solid var(--border-color);
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                padding: 20px;
                gap: 15px;
            }
            .header-btn {
                display: none;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .cases-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .solution-content {
                grid-template-columns: 1fr;
            }
        }