/* 缤纷糖果亮色风 核心配色与基础样式 */
        :root {
            --primary-candy: #ff6f91; /* 糖果粉 */
            --secondary-candy: #4d96ff; /* 天空蓝 */
            --accent-candy: #ffca3a; /* 活力黄 */
            --green-candy: #6bc8a3; /* 薄荷绿 */
            --purple-candy: #9b5de5; /* 梦幻紫 */
            --text-dark: #2d3748; /* 深灰正文 */
            --text-muted: #718096;
            --bg-light: #f9fbff; /* 极其明亮的浅蓝灰底 */
            --card-bg: #ffffff;
            --container-width: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.6;
            overflow-x: hidden;
        }

        /* 统一外层居中容器 */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        a {
            color: var(--secondary-candy);
            text-decoration: none;
            transition: var(--transition);
        }

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

        ul {
            list-style: none;
        }

        /* 顶部导航 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 70px;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(10px);
            box-shadow: 0 4px 20px rgba(0,0,0,0.05);
            z-index: 1000;
            display: flex;
            align-items: center;
        }

        .nav-box {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

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

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

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .nav-item {
            font-weight: 500;
            color: var(--text-dark);
            font-size: 14px;
            padding: 5px 10px;
            border-radius: 20px;
            transition: var(--transition);
        }

        .nav-item:hover, .nav-item.active {
            background-color: rgba(77, 150, 255, 0.1);
            color: var(--secondary-candy);
        }

        .nav-btn {
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy));
            color: #fff;
            padding: 8px 20px;
            border-radius: 25px;
            font-weight: 600;
            box-shadow: 0 4px 15px rgba(255, 111, 145, 0.3);
        }

        .nav-btn:hover {
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 111, 145, 0.5);
        }

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

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

        /* 页面大板块通用样式 */
        section {
            padding: 80px 0;
            position: relative;
        }

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

        .section-title h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-dark);
            position: relative;
            display: inline-block;
            margin-bottom: 15px;
        }

        .section-title h2::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 60px;
            height: 4px;
            background: linear-gradient(90deg, var(--primary-candy), var(--secondary-candy));
            border-radius: 2px;
        }

        .section-title p {
            color: var(--text-muted);
            font-size: 16px;
        }

        /* 首屏 Hero 区域 (无任何图片) */
        .hero-section {
            padding-top: 150px;
            padding-bottom: 100px;
            background: radial-gradient(circle at 10% 20%, rgba(255, 111, 145, 0.1) 0%, rgba(77, 150, 255, 0.1) 90.2%);
            text-align: center;
            border-bottom-left-radius: 50px;
            border-bottom-right-radius: 50px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(255, 255, 255, 0.8);
            border: 2px solid var(--accent-candy);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 25px;
            box-shadow: 0 4px 10px rgba(0,0,0,0.03);
        }

        /* 改写后的 H1 */
        .hero-title {
            font-size: 40px;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 20px;
            color: var(--text-dark);
        }

        .hero-title span {
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy), var(--purple-candy));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            max-width: 700px;
            margin: 0 auto 35px;
            font-size: 18px;
            color: var(--text-muted);
        }

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

        .btn-primary {
            background: linear-gradient(135deg, var(--secondary-candy), var(--green-candy));
            color: #fff;
            padding: 15px 35px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 10px 25px rgba(77, 150, 255, 0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .btn-primary:hover {
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 15px 30px rgba(77, 150, 255, 0.5);
        }

        .btn-secondary {
            background: #fff;
            color: var(--text-dark);
            border: 2px solid rgba(0, 0, 0, 0.08);
            padding: 15px 35px;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: 0 4px 15px rgba(0,0,0,0.02);
        }

        .btn-secondary:hover {
            background-color: var(--bg-light);
            border-color: var(--primary-candy);
            transform: translateY(-3px);
        }

        /* 数据指标卡片 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 1000px;
            margin: 0 auto;
        }

        .metric-card {
            background: #fff;
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.03);
            border-top: 4px solid var(--primary-candy);
            transition: var(--transition);
        }

        .metric-card:nth-child(2) { border-top-color: var(--secondary-candy); }
        .metric-card:nth-child(3) { border-top-color: var(--accent-candy); }
        .metric-card:nth-child(4) { border-top-color: var(--green-candy); }

        .metric-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.08);
        }

        .metric-value {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 5px;
        }

        .metric-label {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 关于我们 / 平台介绍 */
        .about-section {
            background-color: #fff;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 50px;
            align-items: center;
        }

        .about-text h3 {
            font-size: 24px;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .about-text p {
            margin-bottom: 20px;
            color: var(--text-muted);
            font-size: 15px;
        }

        .feature-bullets {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 15px;
            margin-bottom: 25px;
        }

        .bullet-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 14px;
        }

        .bullet-icon {
            width: 24px;
            height: 24px;
            background-color: rgba(107, 200, 163, 0.15);
            color: var(--green-candy);
            border-radius: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
        }

        .about-image-wrapper {
            position: relative;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .about-image-wrapper img {
            width: 100%;
            display: block;
            object-fit: cover;
            transition: var(--transition);
        }

        .about-image-wrapper:hover img {
            transform: scale(1.03);
        }

        /* 全平台AIGC服务 (模型聚合) */
        .services-section {
            background-color: var(--bg-light);
        }

        .model-cloud {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto 50px;
        }

        .model-tag {
            padding: 8px 18px;
            background: #fff;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 10px rgba(0,0,0,0.03);
            border: 1px solid rgba(0,0,0,0.05);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .model-tag:hover {
            transform: translateY(-2px);
            border-color: var(--secondary-candy);
            background-color: rgba(77, 150, 255, 0.05);
            box-shadow: 0 6px 15px rgba(77, 150, 255, 0.1);
        }

        .model-tag::before {
            content: '';
            width: 8px;
            height: 8px;
            background-color: var(--primary-candy);
            border-radius: 50%;
        }

        .model-tag:nth-child(even)::before {
            background-color: var(--secondary-candy);
        }

        .model-tag:nth-child(3n)::before {
            background-color: var(--accent-candy);
        }

        /* 服务能力卡片 */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .service-card {
            background: #fff;
            padding: 30px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition);
            border: 2px solid transparent;
        }

        .service-card:hover {
            transform: translateY(-8px);
            border-color: rgba(255, 111, 145, 0.2);
            box-shadow: 0 20px 40px rgba(255, 111, 145, 0.08);
        }

        .service-icon {
            width: 60px;
            height: 60px;
            border-radius: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            color: #fff;
        }

        .icon-blue { background: linear-gradient(135deg, #4d96ff, #6bc8a3); }
        .icon-pink { background: linear-gradient(135deg, #ff6f91, #9b5de5); }
        .icon-yellow { background: linear-gradient(135deg, #ffca3a, #ff6f91); }

        .service-card h4 {
            font-size: 20px;
            margin-bottom: 12px;
            color: var(--text-dark);
        }

        .service-card p {
            color: var(--text-muted);
            font-size: 14px;
        }

        /* 一站式AIGC制作场景 */
        .scenes-section {
            background-color: #fff;
        }

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

        .scene-tabs {
            display: flex;
            justify-content: center;
            gap: 15px;
            flex-wrap: wrap;
        }

        .tab-btn {
            padding: 12px 24px;
            background-color: var(--bg-light);
            border: none;
            border-radius: 30px;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            color: var(--text-muted);
        }

        .tab-btn.active, .tab-btn:hover {
            background-color: var(--secondary-candy);
            color: #fff;
            box-shadow: 0 8px 20px rgba(77, 150, 255, 0.3);
        }

        .tab-contents {
            background: var(--bg-light);
            border-radius: 30px;
            padding: 40px;
            box-shadow: inset 0 2px 8px rgba(0,0,0,0.02);
        }

        .tab-pane {
            display: none;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .tab-pane.active {
            display: grid;
            animation: fadeIn 0.5s ease;
        }

        .pane-text h4 {
            font-size: 24px;
            margin-bottom: 15px;
            color: var(--text-dark);
        }

        .pane-text p {
            color: var(--text-muted);
            margin-bottom: 20px;
            font-size: 15px;
        }

        .pane-list {
            margin-bottom: 25px;
        }

        .pane-list li {
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 500;
            font-size: 14px;
        }

        .pane-list li::before {
            content: '✦';
            color: var(--primary-candy);
        }

        .pane-preview {
            background: #fff;
            border-radius: 20px;
            padding: 30px;
            box-shadow: 0 15px 30px rgba(0,0,0,0.04);
            border: 2px dashed rgba(77, 150, 255, 0.2);
            text-align: center;
        }

        /* 流程步骤 */
        .flow-section {
            background-color: var(--bg-light);
        }

        .flow-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 15px;
        }

        .flow-card {
            background: #fff;
            padding: 20px;
            border-radius: 20px;
            text-align: center;
            position: relative;
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .flow-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0,0,0,0.06);
        }

        .flow-card:not(:last-child)::after {
            content: '➔';
            position: absolute;
            right: -15px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--secondary-candy);
            font-size: 18px;
            z-index: 2;
        }

        @media (max-width: 992px) {
            .flow-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 25px;
            }
            .flow-card:not(:last-child)::after {
                display: none;
            }
        }

        @media (max-width: 576px) {
            .flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        .flow-step {
            width: 40px;
            height: 40px;
            background-color: rgba(255, 111, 145, 0.1);
            color: var(--primary-candy);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin: 0 auto 15px;
        }

        .flow-card:nth-child(even) .flow-step {
            background-color: rgba(77, 150, 255, 0.1);
            color: var(--secondary-candy);
        }

        .flow-card h5 {
            font-size: 15px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .flow-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 行业解决方案与全国服务网络 */
        .solutions-section {
            background-color: #fff;
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            margin-bottom: 60px;
            align-items: center;
        }

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

        .solution-mini-card {
            background: var(--bg-light);
            padding: 24px;
            border-radius: 20px;
            border-left: 4px solid var(--secondary-candy);
        }

        .solution-mini-card h5 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .solution-mini-card p {
            font-size: 13px;
            color: var(--text-muted);
        }

        .solution-image {
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 15px 35px rgba(0,0,0,0.06);
        }

        .solution-image img {
            width: 100%;
            display: block;
            object-fit: cover;
        }

        /* 时间线与技术标准 */
        .tech-network-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }

        .tech-box, .network-box {
            background: var(--bg-light);
            padding: 35px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
        }

        .box-title {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 25px;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .timeline {
            position: relative;
            padding-left: 20px;
            border-left: 2px dashed rgba(77, 150, 255, 0.3);
        }

        .timeline-item {
            position: relative;
            margin-bottom: 25px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -27px;
            top: 5px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--secondary-candy);
            border: 2px solid #fff;
        }

        .timeline-item:nth-child(even)::before {
            background-color: var(--primary-candy);
        }

        .timeline-date {
            font-weight: 800;
            color: var(--secondary-candy);
            font-size: 14px;
            margin-bottom: 3px;
        }

        .timeline-content h6 {
            font-size: 15px;
            margin-bottom: 5px;
            color: var(--text-dark);
        }

        .timeline-content p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 案例展示 */
        .case-section {
            background-color: var(--bg-light);
        }

        .case-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .case-card {
            background: #fff;
            border-radius: 24px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .case-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
        }

        .case-img-container {
            position: relative;
            overflow: hidden;
            background-color: #eee;
        }

        .case-img-container img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }

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

        .case-info {
            padding: 24px;
        }

        .case-tag {
            display: inline-block;
            padding: 4px 10px;
            background: rgba(77, 150, 255, 0.15);
            color: var(--secondary-candy);
            border-radius: 12px;
            font-size: 12px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .case-info h4 {
            font-size: 18px;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .case-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 15px;
        }

        .case-stats {
            display: flex;
            justify-content: space-between;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 15px;
            font-size: 12px;
            color: var(--text-muted);
        }

        .case-stats span strong {
            color: var(--primary-candy);
            font-size: 14px;
        }

        /* 对比评测 */
        .compare-section {
            background-color: #fff;
        }

        .compare-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy));
            color: #fff;
            padding: 30px;
            border-radius: 24px;
            margin-bottom: 40px;
            box-shadow: 0 15px 35px rgba(255, 111, 145, 0.2);
        }

        .score-box {
            text-align: right;
        }

        .score-value {
            font-size: 48px;
            font-weight: 900;
            line-height: 1;
            margin-bottom: 5px;
        }

        .score-stars {
            color: var(--accent-candy);
            font-size: 20px;
        }

        .table-responsive {
            width: 100%;
            overflow-x: auto;
            border-radius: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 1px solid rgba(0,0,0,0.05);
        }

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

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid rgba(0,0,0,0.05);
            font-size: 14px;
        }

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

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

        .compare-table td strong {
            color: var(--secondary-candy);
        }

        .compare-table .highlight-row {
            background-color: rgba(77, 150, 255, 0.03);
        }

        .compare-table .highlight-row td {
            font-weight: 600;
        }

        /* Token 比价与价格参考 */
        .token-section {
            background-color: var(--bg-light);
        }

        .price-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .price-card {
            background: #fff;
            border-radius: 24px;
            padding: 35px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            position: relative;
            overflow: hidden;
            border: 2px solid transparent;
            transition: var(--transition);
        }

        .price-card:hover {
            transform: translateY(-8px);
        }

        .price-card.popular {
            border-color: var(--primary-candy);
            box-shadow: 0 20px 40px rgba(255, 111, 145, 0.1);
        }

        .popular-badge {
            position: absolute;
            top: 20px;
            right: -35px;
            background: var(--primary-candy);
            color: #fff;
            padding: 5px 35px;
            transform: rotate(45deg);
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 1px;
        }

        .price-header h4 {
            font-size: 20px;
            color: var(--text-dark);
            margin-bottom: 10px;
        }

        .price-amount {
            font-size: 36px;
            font-weight: 900;
            color: var(--secondary-candy);
            margin-bottom: 20px;
            display: flex;
            align-items: baseline;
        }

        .price-amount span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            margin-left: 5px;
        }

        .price-features {
            margin-bottom: 30px;
            border-top: 1px solid rgba(0,0,0,0.05);
            padding-top: 20px;
        }

        .price-features li {
            margin-bottom: 12px;
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .price-features li::before {
            content: '✓';
            color: var(--green-candy);
            font-weight: bold;
        }

        .price-btn {
            display: block;
            text-align: center;
            background-color: var(--bg-light);
            color: var(--text-dark);
            padding: 12px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 14px;
        }

        .price-card.popular .price-btn {
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy));
            color: #fff;
            box-shadow: 0 8px 20px rgba(255, 111, 145, 0.2);
        }

        /* 培训版块 */
        .training-section {
            background-color: #fff;
        }

        .training-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .training-course-list {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .course-card {
            background: var(--bg-light);
            padding: 20px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            transition: var(--transition);
            border-left: 4px solid var(--accent-candy);
        }

        .course-card:hover {
            transform: translateX(5px);
            background-color: #fff;
            box-shadow: 0 8px 20px rgba(0,0,0,0.04);
        }

        .course-info h5 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-dark);
        }

        .course-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .course-badge {
            background: rgba(255, 202, 58, 0.2);
            color: #b58000;
            padding: 4px 10px;
            border-radius: 10px;
            font-size: 11px;
            font-weight: 700;
        }

        /* FAQ 与 帮助中心 */
        .faq-section {
            background-color: var(--bg-light);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 0.8fr 1.2fr;
            gap: 40px;
        }

        .faq-sidebar {
            background-color: #fff;
            padding: 30px;
            border-radius: 24px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            height: fit-content;
        }

        .wiki-list {
            margin-top: 20px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .wiki-item {
            font-size: 13px;
            padding-bottom: 12px;
            border-bottom: 1px dashed rgba(0,0,0,0.05);
        }

        .wiki-item strong {
            color: var(--primary-candy);
            display: block;
            margin-bottom: 3px;
        }

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

        .faq-item {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 15px rgba(0,0,0,0.01);
            transition: var(--transition);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 15px;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-question::after {
            content: '+';
            font-size: 20px;
            color: var(--secondary-candy);
            transition: var(--transition);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 14px;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .faq-item.active {
            box-shadow: 0 10px 25px rgba(0,0,0,0.03);
            border-left: 4px solid var(--secondary-candy);
        }

        .faq-item.active .faq-question::after {
            content: '−';
            transform: rotate(180deg);
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding-bottom: 20px;
        }

        /* 客户评论卡片 */
        .comments-section {
            background-color: #fff;
        }

        .comments-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .comment-card {
            background: var(--bg-light);
            padding: 30px;
            border-radius: 24px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.01);
            position: relative;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .comment-text {
            font-size: 14px;
            color: var(--text-dark);
            margin-bottom: 20px;
            font-style: italic;
        }

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

        .author-avatar {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary-candy), var(--primary-candy));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
        }

        .author-info h6 {
            font-size: 14px;
            margin-bottom: 2px;
            color: var(--text-dark);
        }

        .author-info p {
            font-size: 11px;
            color: var(--text-muted);
        }

        /* 行业资讯 & 知识库 */
        .news-section {
            background-color: var(--bg-light);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 25px;
        }

        .news-card {
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.02);
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 30px rgba(0,0,0,0.06);
        }

        .news-content {
            padding: 24px;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: block;
        }

        .news-content h4 {
            font-size: 16px;
            margin-bottom: 12px;
            color: var(--text-dark);
            line-height: 1.4;
        }

        .news-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--secondary-candy);
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        /* 智能需求匹配与表单 */
        .form-section {
            background-color: #fff;
        }

        .form-container {
            max-width: 800px;
            margin: 0 auto;
            background: var(--bg-light);
            padding: 40px;
            border-radius: 30px;
            box-shadow: 0 15px 40px rgba(0,0,0,0.03);
            border: 2px solid rgba(77, 150, 255, 0.1);
        }

        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }

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

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-dark);
        }

        .form-control {
            padding: 12px 18px;
            border: 2px solid rgba(0, 0, 0, 0.05);
            border-radius: 12px;
            font-size: 14px;
            transition: var(--transition);
            background-color: #fff;
        }

        .form-control:focus {
            outline: none;
            border-color: var(--secondary-candy);
            box-shadow: 0 0 10px rgba(77, 150, 255, 0.15);
        }

        .form-btn-box {
            text-align: center;
            margin-top: 30px;
        }

        .form-submit-btn {
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy));
            color: #fff;
            border: none;
            padding: 14px 40px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            box-shadow: 0 10px 25px rgba(255, 111, 145, 0.3);
            transition: var(--transition);
        }

        .form-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px rgba(255, 111, 145, 0.5);
        }

        /* 联系我们 & 加盟代理 */
        .contact-section {
            background-color: var(--bg-light);
        }

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

        .contact-info-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 30px;
        }

        .contact-item-card {
            background: #fff;
            padding: 20px;
            border-radius: 20px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.01);
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }

        .contact-item-icon {
            font-size: 20px;
            color: var(--primary-candy);
        }

        .contact-item-detail h6 {
            font-size: 14px;
            margin-bottom: 3px;
            color: var(--text-dark);
        }

        .contact-item-detail p {
            font-size: 12px;
            color: var(--text-muted);
        }

        .qr-card {
            background: #fff;
            padding: 30px;
            border-radius: 24px;
            text-align: center;
            box-shadow: 0 10px 30px rgba(0,0,0,0.02);
            border: 2px solid rgba(255, 111, 145, 0.1);
        }

        .qr-card img {
            width: 150px;
            height: 150px;
            margin: 0 auto 15px;
            display: block;
            border: 1px solid rgba(0,0,0,0.05);
            border-radius: 12px;
        }

        .qr-card h5 {
            font-size: 16px;
            margin-bottom: 5px;
            color: var(--text-dark);
        }

        .qr-card p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 浮动客服入口 */
        .floating-contact {
            position: fixed;
            bottom: 30px;
            right: 30px;
            z-index: 999;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .float-btn {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: #fff;
            box-shadow: 0 4px 15px rgba(0,0,0,0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            position: relative;
        }

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

        .float-btn-primary {
            background: linear-gradient(135deg, var(--primary-candy), var(--secondary-candy));
            color: #fff;
        }

        .float-qr-hover {
            position: absolute;
            bottom: 60px;
            right: 0;
            background: #fff;
            padding: 15px;
            border-radius: 12px;
            box-shadow: 0 10px 25px rgba(0,0,0,0.15);
            display: none;
            width: 140px;
            text-align: center;
        }

        .float-qr-hover img {
            width: 110px;
            height: 110px;
            display: block;
            margin-bottom: 8px;
        }

        .float-qr-hover span {
            font-size: 11px;
            color: var(--text-dark);
            font-weight: 700;
        }

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

        /* 页脚 */
        footer {
            background-color: var(--text-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 20px;
            font-size: 13px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding-bottom: 40px;
        }

        .footer-logo-desc h4 {
            color: #fff;
            font-size: 20px;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-logo-desc p {
            line-height: 1.8;
            margin-bottom: 15px;
        }

        .footer-links h5 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 15px;
            position: relative;
        }

        .footer-links h5::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 30px;
            height: 2px;
            background-color: var(--primary-candy);
        }

        .footer-links-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .footer-links-grid a {
            color: rgba(255,255,255,0.6);
        }

        .footer-links-grid a:hover {
            color: #fff;
            padding-left: 3px;
        }

        .footer-contact h5 {
            color: #fff;
            font-size: 15px;
            margin-bottom: 15px;
        }

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

        .footer-copyright {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 15px;
            color: rgba(255,255,255,0.4);
        }

        .footer-copyright a {
            color: rgba(255,255,255,0.4);
            margin-right: 15px;
        }

        .footer-copyright a:hover {
            color: #fff;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1200px) {
            .container { max-width: 960px; }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .price-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 992px) {
            .container { max-width: 720px; }
            .about-grid, .solutions-grid, .training-grid, .faq-grid, .contact-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-title { font-size: 32px; }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); }
            .case-grid { grid-template-columns: repeat(2, 1fr); }
            .comments-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: absolute;
                top: 70px;
                left: 0;
                right: 0;
                background-color: #fff;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                display: none;
                gap: 15px;
            }
            .nav-menu.active {
                display: flex;
            }
            .menu-toggle {
                display: flex;
            }
            .tab-pane {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 576px) {
            .container { padding: 0 16px; }
            .hero-title { font-size: 26px; }
            .metrics-grid { grid-template-columns: 1fr; }
            .case-grid { grid-template-columns: 1fr; }
            .price-grid { grid-template-columns: 1fr; }
            .tab-contents { padding: 20px; }
            .form-container { padding: 20px; }
            .footer-copyright { flex-direction: column; text-align: center; }
        }

        /* 简单淡入动画 */
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }