:root {
            --primary-orange: #FF5E00;
            --primary-orange-hover: #E04F00;
            --light-orange: #FFF5EE;
            --dark-gray: #1E2022;
            --medium-gray: #62666A;
            --light-gray: #F7F9FA;
            --border-color: #EAEAEC;
            --shadow-color: rgba(255, 94, 0, 0.08);
            --gradient-accent: linear-gradient(135deg, #FF7B00 0%, #FF3D00 100%);
            --max-width: 1200px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans CJK SC", sans-serif;
            color: var(--dark-gray);
            background-color: #FFFFFF;
            line-height: 1.6;
            overflow-x: hidden;
        }

        a {
            color: var(--primary-orange);
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

        ul {
            list-style: none;
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* 统一的 Section 边距 */
        section {
            padding: 96px 0;
            position: relative;
        }

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

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--dark-gray);
            margin-bottom: 16px;
            position: relative;
            display: inline-block;
        }

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

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

        /* 按钮通用样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            font-weight: 600;
            border-radius: 8px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            font-size: 15px;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(255, 61, 0, 0.3);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 61, 0, 0.4);
            color: #FFFFFF;
        }

        .btn-outline {
            background: transparent;
            color: var(--primary-orange);
            border: 2px solid var(--primary-orange);
        }

        .btn-outline:hover {
            background: var(--light-orange);
            color: var(--primary-orange-hover);
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            box-shadow: 0 2px 20px rgba(0,0,0,0.05);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

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

        .nav-menu {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .nav-link {
            color: var(--dark-gray);
            font-size: 14px;
            font-weight: 500;
            padding: 6px 4px;
            position: relative;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary-orange);
            transition: width 0.3s ease;
        }

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

        .nav-btn-box {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--dark-gray);
            margin: 5px 0;
            transition: all 0.3s ease;
        }

        /* 手机端菜单展开样式 */
        @media (max-width: 1024px) {
            .nav-menu {
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                transform: translateY(-150%);
                opacity: 0;
                transition: all 0.4s ease;
                z-index: 99;
                pointer-events: none;
            }

            .nav-menu.show {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .menu-toggle {
                display: block;
            }

            .nav-btn-box {
                display: none;
            }
        }

        /* 1. Hero 区域 (首屏不准使用图片) */
        .hero-section {
            padding: 160px 0 100px 0;
            background: radial-gradient(circle at 80% 20%, rgba(255, 94, 0, 0.08) 0%, transparent 60%),
                        radial-gradient(circle at 10% 80%, rgba(255, 152, 0, 0.05) 0%, transparent 50%),
                        var(--light-gray);
            text-align: center;
            overflow: hidden;
        }

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

        .hero-tag {
            display: inline-block;
            padding: 6px 16px;
            background-color: var(--light-orange);
            color: var(--primary-orange);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 94, 0, 0.2);
            animation: pulse 2s infinite;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--dark-gray);
            margin-bottom: 24px;
        }

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

        .hero-desc {
            font-size: 18px;
            color: var(--medium-gray);
            margin-bottom: 40px;
            line-height: 1.8;
        }

        .hero-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-features {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-top: 60px;
            border-top: 1px solid var(--border-color);
            padding-top: 40px;
            flex-wrap: wrap;
        }

        .hero-feat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--medium-gray);
            font-size: 15px;
        }

        .hero-feat-item svg {
            color: var(--primary-orange);
        }

        /* 2. 关于我们 + 数据指标 */
        .about-section {
            background-color: #FFFFFF;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        @media(max-width: 768px) {
            .about-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .about-text h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--dark-gray);
        }

        .about-text p {
            color: var(--medium-gray);
            margin-bottom: 20px;
            font-size: 15px;
            line-height: 1.8;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .stat-card {
            background-color: var(--light-gray);
            padding: 24px;
            border-radius: 12px;
            border-left: 4px solid var(--primary-orange);
            transition: all 0.3s ease;
        }

        .stat-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 30px var(--shadow-color);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary-orange);
            margin-bottom: 8px;
            display: flex;
            align-items: baseline;
        }

        .stat-num span {
            font-size: 16px;
            font-weight: 500;
            color: var(--medium-gray);
            margin-left: 4px;
        }

        .stat-label {
            font-size: 14px;
            color: var(--dark-gray);
            font-weight: 600;
        }

        .stat-desc {
            font-size: 12px;
            color: var(--medium-gray);
            margin-top: 4px;
        }

        /* 3. 全平台AIGC服务 */
        .services-section {
            background-color: var(--light-gray);
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .service-card {
            background-color: #FFFFFF;
            padding: 36px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .service-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.06);
            border-color: rgba(255, 94, 0, 0.3);
        }

        .service-icon {
            width: 56px;
            height: 56px;
            background-color: var(--light-orange);
            color: var(--primary-orange);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 24px;
        }

        .service-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark-gray);
        }

        .service-card p {
            color: var(--medium-gray);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

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

        .service-tag {
            font-size: 12px;
            background-color: var(--light-gray);
            color: var(--medium-gray);
            padding: 4px 10px;
            border-radius: 4px;
        }

        /* 4. 一站式AIGC制作 */
        .creation-section {
            background-color: #FFFFFF;
        }

        .creation-flex {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .creation-item {
            display: flex;
            align-items: center;
            gap: 60px;
            background-color: var(--light-gray);
            padding: 40px;
            border-radius: 20px;
        }

        .creation-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        @media(max-width: 992px) {
            .creation-item, .creation-item:nth-child(even) {
                flex-direction: column;
                gap: 30px;
                padding: 24px;
            }
        }

        .creation-info {
            flex: 1;
        }

        .creation-visual {
            flex: 1;
            display: flex;
            justify-content: center;
        }

        .creation-info h3 {
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--dark-gray);
        }

        .creation-info p {
            color: var(--medium-gray);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        /* 平台支持徽章 (全支持列表) */
        .platform-cloud {
            background-color: var(--light-gray);
            padding: 40px;
            border-radius: 20px;
            margin-top: 40px;
            border: 1px solid var(--border-color);
        }

        .platform-cloud h4 {
            font-size: 18px;
            margin-bottom: 20px;
            text-align: center;
            color: var(--dark-gray);
        }

        .platform-badges {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .platform-badge {
            background-color: #FFFFFF;
            color: var(--dark-gray);
            border: 1px solid var(--border-color);
            padding: 6px 14px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            box-shadow: 0 2px 6px rgba(0,0,0,0.02);
            transition: all 0.2s ease;
        }

        .platform-badge:hover {
            border-color: var(--primary-orange);
            color: var(--primary-orange);
            transform: translateY(-2px);
        }

        /* 5. 全行业解决方案 */
        .solutions-section {
            background-color: var(--light-gray);
        }

        .solutions-tabs-container {
            display: flex;
            flex-direction: column;
            gap: 30px;
        }

        .solutions-tabs {
            display: flex;
            justify-content: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .sol-tab-btn {
            padding: 10px 20px;
            border: 1px solid var(--border-color);
            background-color: #FFFFFF;
            color: var(--medium-gray);
            border-radius: 30px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s ease;
        }

        .sol-tab-btn.active, .sol-tab-btn:hover {
            background-color: var(--primary-orange);
            color: #FFFFFF;
            border-color: var(--primary-orange);
            box-shadow: 0 4px 12px rgba(255, 94, 0, 0.2);
        }

        .sol-tab-content {
            background-color: #FFFFFF;
            border-radius: 20px;
            padding: 40px;
            box-shadow: 0 8px 30px rgba(0,0,0,0.02);
            min-height: 300px;
        }

        .sol-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }

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

        .sol-text h3 {
            font-size: 24px;
            color: var(--dark-gray);
            margin-bottom: 16px;
        }

        .sol-text p {
            color: var(--medium-gray);
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .sol-highlights {
            list-style: none;
        }

        .sol-highlights li {
            position: relative;
            padding-left: 24px;
            margin-bottom: 12px;
            color: var(--dark-gray);
            font-weight: 500;
        }

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

        /* 6. 全国服务网络 */
        .network-section {
            background-color: #FFFFFF;
        }

        .network-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .network-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .network-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .network-item {
            background-color: var(--light-gray);
            padding: 20px;
            border-radius: 12px;
            border-top: 3px solid var(--primary-orange);
        }

        .network-item h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--dark-gray);
        }

        .network-item p {
            font-size: 13px;
            color: var(--medium-gray);
        }

        /* 7. 标准化AIGC流程 */
        .flow-section {
            background-color: var(--light-gray);
        }

        .flow-timeline {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            position: relative;
        }

        .flow-step {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            position: relative;
            transition: all 0.3s ease;
        }

        .flow-step:hover {
            border-color: var(--primary-orange);
            transform: translateY(-5px);
        }

        .flow-num {
            position: absolute;
            top: 20px;
            right: 20px;
            font-size: 36px;
            font-weight: 800;
            color: rgba(255, 94, 0, 0.1);
        }

        .flow-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--dark-gray);
        }

        .flow-step p {
            font-size: 14px;
            color: var(--medium-gray);
            line-height: 1.6;
        }

        /* 8. 技术标准 */
        .tech-section {
            background-color: #FFFFFF;
        }

        .tech-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 30px;
        }

        .tech-card {
            padding: 30px;
            background-color: var(--light-gray);
            border-radius: 16px;
            border: 1px solid var(--border-color);
        }

        .tech-card h3 {
            font-size: 18px;
            color: var(--dark-gray);
            margin-bottom: 12px;
        }

        .tech-card p {
            font-size: 14px;
            color: var(--medium-gray);
            line-height: 1.6;
        }

        /* 9. 客户案例中心 (包含要求的图片) */
        .cases-section {
            background-color: var(--light-gray);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
        }

        .case-card {
            background-color: #FFFFFF;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: all 0.3s ease;
        }

        .case-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.08);
        }

        .case-img-container {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background-color: #EAEAEC;
            position: relative;
        }

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

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

        .case-content {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 8px;
            background-color: var(--light-orange);
            color: var(--primary-orange);
            border-radius: 4px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
        }

        .case-content h3 {
            font-size: 18px;
            color: var(--dark-gray);
            margin-bottom: 8px;
            font-weight: 700;
        }

        .case-content p {
            font-size: 14px;
            color: var(--medium-gray);
            line-height: 1.6;
        }

        /* 10. 对比评测 (必须明确评分) */
        .compare-section {
            background-color: #FFFFFF;
        }

        .rating-hero {
            background: linear-gradient(135deg, #1E2022 0%, #2A2D30 100%);
            color: #FFFFFF;
            border-radius: 20px;
            padding: 40px;
            margin-bottom: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
        }

        .rating-box {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .rating-score {
            font-size: 64px;
            font-weight: 900;
            color: var(--primary-orange);
            line-height: 1;
        }

        .rating-details h3 {
            font-size: 22px;
            margin-bottom: 8px;
        }

        .stars {
            color: #FFB300;
            font-size: 20px;
        }

        .compare-table-wrapper {
            width: 100%;
            overflow-x: auto;
            border-radius: 12px;
            border: 1px solid var(--border-color);
            box-shadow: 0 8px 30px rgba(0,0,0,0.02);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 700px;
            background-color: #FFFFFF;
        }

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

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

        .compare-table tr:hover {
            background-color: var(--light-gray);
        }

        .compare-highlight {
            color: var(--primary-orange);
            font-weight: 700;
        }

        /* 11. 智能需求匹配与表单 */
        .demand-section {
            background-color: var(--light-gray);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 60px;
            align-items: flex-start;
        }

        @media(max-width: 768px) {
            .form-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }

        .form-card {
            background-color: #FFFFFF;
            padding: 40px;
            border-radius: 20px;
            box-shadow: 0 10px 40px rgba(0,0,0,0.04);
            border: 1px solid var(--border-color);
        }

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

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

        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            background-color: var(--light-gray);
            border-radius: 8px;
            font-size: 14px;
            color: var(--dark-gray);
            transition: all 0.3s ease;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary-orange);
            background-color: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(255, 94, 0, 0.15);
        }

        /* 12. Token比价参考 */
        .token-section {
            background-color: #FFFFFF;
        }

        .token-card {
            background-color: var(--light-gray);
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            margin-top: 30px;
        }

        /* 13. 职业技术培训 & 14. 人工智能培训 (工信部证书) */
        .training-section {
            background: linear-gradient(180deg, var(--light-gray) 0%, #FFFFFF 100%);
        }

        .training-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
        }

        .train-card {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            text-align: center;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .train-card:hover {
            transform: translateY(-8px);
            border-color: var(--primary-orange);
            box-shadow: 0 10px 25px rgba(255, 94, 0, 0.08);
        }

        .train-badge {
            background-color: var(--light-orange);
            color: var(--primary-orange);
            padding: 4px 12px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 16px;
        }

        .train-card h3 {
            font-size: 18px;
            color: var(--dark-gray);
            margin-bottom: 12px;
        }

        .train-card p {
            font-size: 13px;
            color: var(--medium-gray);
            line-height: 1.5;
        }

        /* 15. 帮助中心 & 16. FAQ (折叠面板) */
        .faq-section {
            background-color: var(--light-gray);
        }

        .faq-container {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-header {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            background-color: #FFFFFF;
        }

        .faq-header h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--dark-gray);
        }

        .faq-icon {
            font-size: 18px;
            color: var(--primary-orange);
            transition: transform 0.3s ease;
        }

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

        .faq-content {
            padding: 20px 24px;
            font-size: 14px;
            color: var(--medium-gray);
            line-height: 1.7;
            border-top: 1px solid var(--border-color);
        }

        .faq-item.active .faq-body {
            max-height: 300px;
        }

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

        /* 17. 常见问题自助排查 */
        .troubleshoot-section {
            background-color: #FFFFFF;
        }

        .trouble-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
        }

        .trouble-card {
            background-color: var(--light-gray);
            padding: 24px;
            border-radius: 12px;
            border-left: 4px solid var(--primary-orange);
        }

        .trouble-card h3 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--dark-gray);
        }

        .trouble-card p {
            font-size: 13px;
            color: var(--medium-gray);
        }

        /* 18. AI术语百科 */
        .wiki-section {
            background-color: var(--light-gray);
        }

        .wiki-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 20px;
        }

        .wiki-card {
            background-color: #FFFFFF;
            padding: 20px;
            border-radius: 12px;
            border: 1px solid var(--border-color);
        }

        .wiki-card h3 {
            font-size: 15px;
            margin-bottom: 8px;
            color: var(--primary-orange);
        }

        .wiki-card p {
            font-size: 13px;
            color: var(--medium-gray);
        }

        /* 19. 行业资讯 / 知识库 */
        .articles-section {
            background-color: #FFFFFF;
        }

        .articles-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .article-card {
            background-color: var(--light-gray);
            border-radius: 12px;
            padding: 24px;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .article-card h3 {
            font-size: 16px;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .article-card p {
            font-size: 13px;
            color: var(--medium-gray);
            margin-bottom: 20px;
        }

        /* 20. 客户评论 (6条) */
        .reviews-section {
            background-color: var(--light-gray);
        }

        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }

        .review-card {
            background-color: #FFFFFF;
            padding: 30px;
            border-radius: 16px;
            border: 1px solid var(--border-color);
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
        }

        .review-user {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .user-avatar-placeholder {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--light-orange);
            color: var(--primary-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .user-meta h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--dark-gray);
        }

        .user-meta span {
            font-size: 12px;
            color: var(--medium-gray);
        }

        .review-card p {
            font-size: 14px;
            color: var(--medium-gray);
            line-height: 1.6;
        }

        /* 21. 加盟代理 & 页脚 */
        .footer-cta {
            background: linear-gradient(135deg, #FF7B00 0%, #FF3D00 100%);
            color: #FFFFFF;
            text-align: center;
            padding: 80px 24px;
        }

        .footer-cta h2 {
            font-size: 32px;
            margin-bottom: 16px;
        }

        .footer-cta p {
            max-width: 600px;
            margin: 0 auto 30px auto;
            opacity: 0.9;
        }

        .footer-cta .btn {
            background-color: #FFFFFF;
            color: var(--primary-orange);
        }

        .footer-main {
            background-color: #1E2022;
            color: #D1D5DB;
            padding: 80px 0 40px 0;
            font-size: 14px;
        }

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

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

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary-orange);
        }

        .footer-col p {
            line-height: 1.8;
            margin-bottom: 16px;
        }

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

        .footer-col ul li a {
            color: #9CA3AF;
        }

        .footer-col ul li a:hover {
            color: #FFFFFF;
        }

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

        .friendship-links a {
            color: #9CA3AF;
            background-color: rgba(255,255,255,0.05);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
        }

        .friendship-links a:hover {
            background-color: var(--primary-orange);
            color: #FFFFFF;
        }

        .qr-box {
            text-align: center;
        }

        .qr-box img {
            width: 120px;
            height: 120px;
            border-radius: 8px;
            margin-bottom: 8px;
        }

        .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: 20px;
        }

        /* 悬浮客服面板 */
        .float-panel {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .float-item {
            width: 50px;
            height: 50px;
            background-color: #FFFFFF;
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            position: relative;
        }

        .float-item:hover {
            background-color: var(--primary-orange);
            color: #FFFFFF;
        }

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

        .qr-popover {
            position: absolute;
            right: 60px;
            bottom: 0;
            background-color: #FFFFFF;
            padding: 16px;
            border-radius: 8px;
            box-shadow: 0 4px 30px rgba(0,0,0,0.15);
            display: none;
            text-align: center;
            width: 150px;
        }

        .qr-popover img {
            width: 120px;
            height: 120px;
            margin-bottom: 6px;
        }

        .qr-popover span {
            font-size: 12px;
            color: var(--dark-gray);
            font-weight: bold;
        }

        .float-item:hover .qr-popover {
            display: block;
        }

        /* 动画基础 */
        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* 全局居中 */
        header, main, footer {
            width: 100%;
        }