:root {
            --primary: #7c3aed;
            --primary-light: #a78bfa;
            --secondary: #db2777;
            --accent: #0ea5e9;
            --dark: #0f172a;
            --light: #f8fafc;
            --gray: #64748b;
            --light-gray: #e2e8f0;
            --success: #10b981;
            --gradient: linear-gradient(135deg, #7c3aed 0%, #db2777 100%);
            --gradient-hover: linear-gradient(135deg, #6d28d9 0%, #be185d 100%);
            --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: var(--font);
            color: var(--dark);
            background-color: var(--light);
        }

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

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

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
            z-index: 1000;
            transition: all 0.3s ease;
        }

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

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

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

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

        .nav-links a {
            text-decoration: none;
            color: var(--dark);
            font-weight: 500;
            font-size: 0.95rem;
            transition: color 0.3s;
        }

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

        .nav-btn {
            background: var(--gradient);
            color: #fff !important;
            padding: 8px 18px;
            border-radius: 50px;
            font-weight: 600;
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .nav-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
        }

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

        .menu-toggle span {
            display: block;
            width: 25px;
            height: 3px;
            background-color: var(--dark);
            border-radius: 3px;
            transition: 0.3s;
        }

        /* 统一的 Section 样式 */
        section {
            padding: 90px 0;
            position: relative;
        }

        .section-bg-light {
            background-color: #ffffff;
        }

        .section-bg-gradient {
            background: linear-gradient(180deg, #f5f3ff 0%, #ffffff 100%);
        }

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-badge {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 15px;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--dark);
            margin-bottom: 15px;
            line-height: 1.3;
        }

        .section-desc {
            color: var(--gray);
            font-size: 1.05rem;
        }

        /* 1. Hero 区域 (首屏无图片) */
        #hero {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 80% 20%, rgba(219, 39, 119, 0.08) 0%, transparent 50%),
                        radial-gradient(circle at 20% 80%, rgba(124, 58, 237, 0.08) 0%, transparent 50%),
                        #ffffff;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(124, 58, 237, 0.08);
            border: 1px solid rgba(124, 58, 237, 0.15);
            border-radius: 50px;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-bottom: 25px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.03); }
            100% { transform: scale(1); }
        }

        .hero-h1 {
            font-size: 3rem;
            font-weight: 950;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero-h1 span {
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-p {
            font-size: 1.2rem;
            color: var(--gray);
            max-width: 800px;
            margin: 0 auto 35px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .btn-main {
            background: var(--gradient);
            color: #fff;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s;
            box-shadow: 0 4px 20px rgba(124, 58, 237, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-main:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 25px rgba(124, 58, 237, 0.5);
        }

        .btn-sub {
            background: #ffffff;
            color: var(--dark);
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1.05rem;
            font-weight: 700;
            text-decoration: none;
            transition: all 0.3s;
            border: 2px solid var(--light-gray);
        }

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

        /* 核心卖点快讯 */
        .hero-highlights {
            display: flex;
            justify-content: center;
            gap: 30px;
            margin-top: 50px;
            flex-wrap: wrap;
        }

        .highlight-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--dark);
        }

        .highlight-item svg {
            color: var(--secondary);
        }

        /* 2. 数据指标卡片 */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }

        .stat-card {
            background: #ffffff;
            padding: 30px 20px;
            border-radius: 16px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
            text-align: center;
            border: 1px solid rgba(226, 232, 240, 0.8);
            transition: transform 0.3s;
        }

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

        .stat-number {
            font-size: 2.5rem;
            font-weight: 900;
            background: var(--gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 5px;
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--gray);
            font-weight: 600;
        }

        /* 3. 关于我们与平台介绍 */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .about-content h3 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .about-p {
            color: var(--gray);
            margin-bottom: 25px;
            font-size: 1rem;
        }

        .platform-features {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
        }

        .p-feature-item {
            background: #ffffff;
            padding: 15px;
            border-radius: 12px;
            border: 1px solid var(--light-gray);
        }

        .p-feature-title {
            font-weight: 750;
            color: var(--dark);
            margin-bottom: 5px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .p-feature-desc {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 4. AIGC服务与一站式制作 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 25px;
        }

        .service-card {
            background: #ffffff;
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--light-gray);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .service-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 4px;
            height: 100%;
            background: var(--gradient);
            opacity: 0;
            transition: opacity 0.3s;
        }

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

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

        .service-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            background: rgba(124, 58, 237, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .service-title {
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .service-list {
            list-style: none;
            font-size: 0.9rem;
            color: var(--gray);
        }

        .service-list li {
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* 支持的AI模型轮播/网格展示 */
        .model-showcase {
            margin-top: 50px;
            background: #ffffff;
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--light-gray);
        }

        .model-showcase-title {
            text-align: center;
            font-weight: 750;
            margin-bottom: 25px;
            color: var(--gray);
            font-size: 0.95rem;
            letter-spacing: 1px;
        }

        .model-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .model-tag {
            padding: 6px 14px;
            background: var(--light);
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--dark);
            border: 1px solid var(--light-gray);
            transition: all 0.2s;
        }

        .model-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* 5. 解决方案与服务网络 */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .solution-card {
            background: #ffffff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--light-gray);
            transition: transform 0.3s;
        }

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

        .solution-img-wrapper {
            position: relative;
            height: 200px;
            overflow: hidden;
            background-color: #f1f5f9;
        }

        .solution-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s;
        }

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

        .solution-info {
            padding: 25px;
        }

        .solution-name {
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .solution-desc {
            color: var(--gray);
            font-size: 0.9rem;
            margin-bottom: 15px;
        }

        /* 服务网络组件 */
        .network-box {
            margin-top: 50px;
            background: linear-gradient(135deg, rgba(124, 58, 237, 0.03) 0%, rgba(219, 39, 119, 0.03) 100%);
            padding: 40px;
            border-radius: 24px;
            border: 1px solid rgba(124, 58, 237, 0.1);
            text-align: center;
        }

        .network-title {
            font-size: 1.5rem;
            font-weight: 850;
            margin-bottom: 15px;
        }

        .network-map {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 25px;
        }

        .network-node {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .node-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--secondary);
            margin-bottom: 8px;
            position: relative;
        }

        .node-dot::after {
            content: '';
            position: absolute;
            top: -4px;
            left: -4px;
            width: 20px;
            height: 20px;
            border: 2px solid var(--secondary);
            border-radius: 50%;
            animation: ping 1.5s infinite;
        }

        @keyframes ping {
            0% { transform: scale(1); opacity: 1; }
            100% { transform: scale(2); opacity: 0; }
        }

        /* 6. 标准化AIGC流程与技术标准 */
        .process-timeline {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
        }

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

        .process-step::before {
            content: '';
            position: absolute;
            left: 25px;
            top: 50px;
            bottom: -50px;
            width: 2px;
            background: var(--light-gray);
        }

        .process-step:last-child::before {
            display: none;
        }

        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.2rem;
            z-index: 2;
            flex-shrink: 0;
        }

        .step-body {
            margin-left: 25px;
            background: #ffffff;
            padding: 25px;
            border-radius: 16px;
            border: 1px solid var(--light-gray);
            flex-grow: 1;
        }

        .step-title {
            font-size: 1.15rem;
            font-weight: 800;
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .step-tag {
            font-size: 0.75rem;
            padding: 2px 8px;
            background: rgba(16, 185, 129, 0.1);
            color: var(--success);
            border-radius: 4px;
            font-weight: 700;
        }

        /* 技术标准表格 */
        .tech-standards {
            margin-top: 60px;
            overflow-x: auto;
        }

        .standard-table {
            width: 100%;
            border-collapse: collapse;
            background: #ffffff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--light-gray);
        }

        .standard-table th, .standard-table td {
            padding: 18px 24px;
            text-align: left;
        }

        .standard-table th {
            background-color: var(--light);
            font-weight: 750;
            color: var(--dark);
        }

        .standard-table tr {
            border-bottom: 1px solid var(--light-gray);
        }

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

        /* 7. 案例展示与最新文章 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
        }

        .case-card {
            background: #ffffff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--light-gray);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
            transition: all 0.3s;
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
        }

        .case-img-container {
            position: relative;
            padding-top: 60%;
            background: #f1f5f9;
        }

        .case-img-container img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .case-tag {
            position: absolute;
            top: 15px;
            left: 15px;
            background: rgba(15, 23, 42, 0.85);
            color: #fff;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .case-info {
            padding: 25px;
        }

        .case-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        /* 最新文章 */
        .articles-box {
            margin-top: 60px;
            background: #ffffff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--light-gray);
        }

        .articles-title {
            font-size: 1.5rem;
            font-weight: 850;
            margin-bottom: 25px;
            text-align: center;
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
            list-style: none;
        }

        .article-item {
            padding: 20px;
            background: var(--light);
            border-radius: 12px;
            border: 1px solid var(--light-gray);
            transition: all 0.2s;
        }

        .article-item:hover {
            border-color: var(--primary);
            background: #ffffff;
            box-shadow: 0 4px 15px rgba(124, 58, 237, 0.05);
        }

        .article-link {
            text-decoration: none;
            color: var(--dark);
            font-weight: 700;
            font-size: 1rem;
            display: block;
            margin-bottom: 10px;
        }

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

        .article-meta {
            font-size: 0.8rem;
            color: var(--gray);
            display: flex;
            justify-content: space-between;
        }

        /* 8. 对比评测与Token比价 */
        .comparison-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
            align-items: start;
        }

        @media (max-width: 992px) {
            .comparison-layout {
                grid-template-columns: 1fr;
            }
        }

        .comparison-table-wrapper {
            background: #ffffff;
            border-radius: 24px;
            padding: 30px;
            border: 1px solid var(--light-gray);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
            overflow-x: auto;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
        }

        .comparison-table th, .comparison-table td {
            padding: 15px;
            text-align: center;
            border-bottom: 1px solid var(--light-gray);
        }

        .comparison-table th:first-child, .comparison-table td:first-child {
            text-align: left;
            font-weight: 700;
        }

        .comparison-table th {
            font-weight: 800;
            color: var(--dark);
        }

        .highlight-col {
            background: rgba(124, 58, 237, 0.03);
            font-weight: 700;
            color: var(--primary);
        }

        /* 评测打分卡片 */
        .score-card {
            background: linear-gradient(135deg, #1e1b4b 0%, #311042 100%);
            color: #ffffff;
            padding: 40px 30px;
            border-radius: 24px;
            text-align: center;
            box-shadow: 0 15px 35px rgba(30, 27, 75, 0.2);
        }

        .score-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary-light);
        }

        .score-num {
            font-size: 5rem;
            font-weight: 950;
            line-height: 1;
            margin-bottom: 5px;
            color: #ffffff;
        }

        .score-stars {
            color: #f59e0b;
            font-size: 1.5rem;
            margin-bottom: 15px;
        }

        .score-p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 25px;
        }

        /* Token 比价参考 */
        .token-price-box {
            margin-top: 50px;
            background: #ffffff;
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--light-gray);
        }

        .token-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }

        .token-item {
            padding: 20px;
            border-radius: 12px;
            background: var(--light);
            border: 1px solid var(--light-gray);
            text-align: center;
        }

        .token-name {
            font-weight: 800;
            margin-bottom: 8px;
            font-size: 1.05rem;
        }

        .token-value {
            font-size: 1.25rem;
            font-weight: 900;
            color: var(--secondary);
        }

        /* 9. 培训认证 */
        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .training-card {
            background: #ffffff;
            padding: 25px;
            border-radius: 16px;
            border: 1px solid var(--light-gray);
            text-align: center;
            transition: all 0.3s;
        }

        .training-card:hover {
            border-color: var(--accent);
            transform: translateY(-5px);
            box-shadow: 0 10px 25px rgba(14, 165, 233, 0.1);
        }

        .training-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(14, 165, 233, 0.1);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 15px;
        }

        .training-title {
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 10px;
        }

        .training-desc {
            font-size: 0.85rem;
            color: var(--gray);
        }

        /* 10. 用户评论区 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 25px;
        }

        .review-card {
            background: #ffffff;
            padding: 30px;
            border-radius: 20px;
            border: 1px solid var(--light-gray);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.01);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

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

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .user-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--gradient);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
        }

        .user-info-name {
            font-weight: 750;
            font-size: 0.9rem;
        }

        .user-info-role {
            font-size: 0.75rem;
            color: var(--gray);
        }

        /* 11. 常见问题 FAQ 折叠面板与术语 */
        .faq-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 40px;
        }

        @media (max-width: 992px) {
            .faq-layout {
                grid-template-columns: 1fr;
            }
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--light-gray);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s;
        }

        .faq-header {
            padding: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 750;
            background: #ffffff;
            user-select: none;
        }

        .faq-header::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary);
            transition: transform 0.3s;
        }

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

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

        .faq-content-inner {
            padding: 20px;
            color: var(--gray);
            font-size: 0.95rem;
            border-top: 1px solid var(--light-gray);
        }

        /* 自助排查与术语百科 */
        .faq-side {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .side-box {
            background: #ffffff;
            padding: 25px;
            border-radius: 20px;
            border: 1px solid var(--light-gray);
        }

        .side-title {
            font-size: 1.2rem;
            font-weight: 800;
            margin-bottom: 15px;
            border-bottom: 2px solid var(--light-gray);
            padding-bottom: 10px;
        }

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

        .side-list li {
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .side-list strong {
            color: var(--primary);
            display: block;
            margin-bottom: 3px;
        }

        /* 12. 联系我们、智能需求匹配与加盟代理 */
        .contact-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 50px;
        }

        @media (max-width: 992px) {
            .contact-layout {
                grid-template-columns: 1fr;
            }
        }

        .contact-info-card {
            background: #ffffff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--light-gray);
        }

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

        .contact-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(124, 58, 237, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .contact-text h4 {
            font-weight: 800;
            margin-bottom: 5px;
        }

        .contact-text p, .contact-text a {
            color: var(--gray);
            text-decoration: none;
            font-size: 0.95rem;
        }

        .qr-codes {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-top: 30px;
        }

        .qr-item {
            text-align: center;
            border: 1px solid var(--light-gray);
            padding: 15px;
            border-radius: 12px;
            background: var(--light);
        }

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

        .qr-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--dark);
        }

        /* 需求提交与加盟表单 */
        .form-card {
            background: #ffffff;
            padding: 40px;
            border-radius: 24px;
            border: 1px solid var(--light-gray);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
        }

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

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

        .form-input, .form-select, .form-textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: 8px;
            border: 1px solid var(--light-gray);
            font-family: var(--font);
            font-size: 0.95rem;
            outline: none;
            transition: border-color 0.2s;
        }

        .form-input:focus, .form-select:focus, .form-textarea:focus {
            border-color: var(--primary);
        }

        .form-textarea {
            height: 120px;
            resize: vertical;
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--gradient);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-weight: 750;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all 0.3s;
        }

        .form-submit-btn:hover {
            box-shadow: 0 6px 20px rgba(124, 58, 237, 0.4);
            transform: translateY(-2px);
        }

        /* 页脚 */
        footer {
            background-color: var(--dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-logo-desc img {
            height: 40px;
            margin-bottom: 15px;
        }

        .footer-logo-desc p {
            font-size: 0.85rem;
            line-height: 1.6;
        }

        .footer-col-title {
            color: #ffffff;
            font-weight: 800;
            font-size: 1.05rem;
            margin-bottom: 20px;
            position: relative;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color 0.2s;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 30px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
        }

        .friend-links-box {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .friend-links-box a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            margin-right: 15px;
            display: inline-block;
        }

        .friend-links-box a:hover {
            color: #ffffff;
        }

        /* 浮动工具栏 */
        .float-bar {
            position: fixed;
            right: 20px;
            bottom: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .float-btn:hover {
            transform: scale(1.1);
        }

        .float-btn svg {
            color: var(--primary);
        }

        .float-btn-qr {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #ffffff;
            border: 1px solid var(--light-gray);
            padding: 10px;
            border-radius: 8px;
            display: none;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
        }

        .float-btn-qr img {
            width: 120px;
            height: 120px;
        }

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

        .back-top {
            background: var(--gradient);
            color: #fff;
            display: none;
        }

        .back-top svg {
            color: #fff;
        }

        /* 移动端菜单激活样式 */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background: #ffffff;
                flex-direction: column;
                padding: 30px 20px;
                box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                z-index: 999;
            }

            .nav-links.active {
                transform: translateY(0);
            }

            .menu-toggle {
                display: flex;
            }
        }