/* roulang page: index */
:root {
            --primary: #0A261D;
            --primary-light: #0E382B;
            --accent: #10B981;
            --accent-glow: #00F29E;
            --accent-dark: #064E3B;
            --bg-body: #F8FAFC;
            --bg-card: #FFFFFF;
            --bg-alt: #F1F5F9;
            --bg-dark: #06140E;
            --bg-dark-card: #0D211A;
            --text-main: #0F172A;
            --text-muted: #334155;
            --text-sub: #64748B;
            --text-inverse: #FFFFFF;
            --border-light: rgba(15, 23, 42, 0.08);
            --border-dark: rgba(16, 185, 129, 0.2);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 24px -4px rgba(10, 38, 29, 0.08);
            --shadow-lg: 0 16px 36px -6px rgba(10, 38, 29, 0.12);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部辅助栏与主导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-top {
            background-color: var(--bg-dark);
            color: #94A3B8;
            font-size: 0.8125rem;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }

        .header-top-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-glow);
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-glow);
        }

        .header-main-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .brand-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .brand-logo-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-size: 1.1rem;
            font-weight: 900;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-link {
            font-weight: 500;
            color: var(--text-muted);
            font-size: 0.95rem;
            position: relative;
            padding: 8px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent-dark);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            text-align: center;
            white-space: nowrap;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(10, 38, 29, 0.2);
        }

        .btn-accent {
            background-color: var(--accent);
            color: #FFFFFF;
        }

        .btn-accent:hover {
            background-color: #0d9668;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
        }

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

        .btn-outline:hover {
            background-color: var(--primary);
            color: #FFF;
        }

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

        /* 统一 Section 基础样式 */
        .section {
            padding: 88px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-alt);
        }

        .section-dark {
            background-color: var(--bg-dark);
            color: var(--text-inverse);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 760px;
        }

        .section-header.text-center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .badge-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-dark);
            font-size: 0.8125rem;
            font-weight: 700;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .section-dark .badge-tag {
            background: rgba(16, 185, 129, 0.2);
            color: var(--accent-glow);
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.5px;
            margin-bottom: 16px;
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-sub);
            line-height: 1.7;
        }

        .section-dark .section-desc {
            color: #94A3B8;
        }

        /* 板块 1：首屏视觉与线索获客提问式 Banner */
        .hero-section {
            background: linear-gradient(135deg, rgba(10, 38, 29, 0.92) 0%, rgba(6, 20, 14, 0.96) 100%), url('/assets/images/b4f256f32d0e5f9e.webp') center/cover no-repeat;
            color: #FFFFFF;
            padding: 96px 0 110px 0;
            position: relative;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
        }

        .hero-content h1 span {
            color: var(--accent-glow);
        }

        .hero-lead {
            font-size: 1.15rem;
            line-height: 1.8;
            color: #CBD5E1;
            margin-bottom: 32px;
        }

        .hero-form-card {
            background: #FFFFFF;
            color: var(--text-main);
            padding: 32px;
            border-radius: var(--radius-md);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            border: 1px solid var(--border-light);
        }

        .hero-form-card h3 {
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--primary);
        }

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

        .form-group {
            margin-bottom: 16px;
        }

        .form-label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-muted);
        }

        .form-control {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #CBD5E1;
            border-radius: var(--radius-sm);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
        }

        /* 板块 2：全域服务覆盖与调度规模 */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .coverage-card {
            background: var(--bg-card);
            padding: 28px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .coverage-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }

        .coverage-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            letter-spacing: -1px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 2px;
        }

        .coverage-num span {
            color: var(--accent);
            font-size: 1.5rem;
        }

        .coverage-label {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .coverage-desc {
            font-size: 0.875rem;
            color: var(--text-sub);
        }

        /* 板块 3：技术底座与算法架构 */
        .platform-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .img-card-wrapper {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .img-card-wrapper img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .spec-list {
            list-style: none;
            margin-top: 24px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .spec-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .spec-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.85rem;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .spec-text h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }

        .spec-text p {
            font-size: 0.9rem;
            color: var(--text-sub);
        }

        /* 板块 4：场馆全场景智能化服务矩阵 (6卡片) */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: rgba(16, 185, 129, 0.4);
        }

        .feature-icon-box {
            width: 48px;
            height: 48px;
            background: rgba(10, 38, 29, 0.06);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.35rem;
            margin-bottom: 20px;
            font-weight: bold;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 0.925rem;
            color: var(--text-sub);
            line-height: 1.65;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .feature-link {
            font-size: 0.875rem;
            font-weight: 700;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .feature-link:hover {
            color: var(--accent);
            gap: 8px;
        }

        /* 板块 5：多业态解决方案 (3卡片) */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .solution-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .solution-thumb {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .solution-body {
            padding: 28px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .solution-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .solution-body p {
            font-size: 0.925rem;
            color: var(--text-sub);
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .solution-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }

        .tag-pill {
            background: #E2E8F0;
            color: var(--text-muted);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* 板块 6：全景深色沉浸式 AI 调度中控与实施路径 */
        .ai-center-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .ai-control-panel {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
        }

        .control-panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            padding-bottom: 16px;
            margin-bottom: 20px;
        }

        .panel-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .panel-stat-rows {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .stat-row-item {
            background: rgba(255,255,255,0.03);
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-left: 3px solid var(--accent);
        }

        .stat-row-item span {
            font-size: 0.9rem;
            color: #CBD5E1;
        }

        .stat-row-item strong {
            font-size: 1.05rem;
            color: var(--accent-glow);
        }

        /* 板块 7：典型运营客户实证与前后对比 */
        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .story-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .story-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 20px;
        }

        .story-header h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--primary);
        }

        .story-tag {
            background: rgba(10, 38, 29, 0.08);
            color: var(--primary);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        .compare-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            background: var(--bg-alt);
            padding: 16px;
            border-radius: var(--radius-sm);
            margin: 20px 0;
        }

        .compare-col h5 {
            font-size: 0.875rem;
            margin-bottom: 8px;
        }

        .compare-before h5 {
            color: #EF4444;
        }

        .compare-after h5 {
            color: var(--accent-dark);
        }

        .compare-col p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 板块 8：闭环实施与接入流程 */
        .workflow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            position: relative;
            box-shadow: var(--shadow-sm);
        }

        .step-badge {
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 16px;
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.6;
        }

        /* 板块 9：行业客户口碑 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .review-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-quote {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
            font-style: normal;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
        }

        .author-info h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
        }

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

        /* 板块 10：智慧场馆前沿与动态资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .news-thumb {
            height: 180px;
            width: 100%;
            object-fit: cover;
        }

        .news-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--text-sub);
            margin-bottom: 10px;
        }

        .news-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .news-body p {
            font-size: 0.875rem;
            color: var(--text-sub);
            line-height: 1.6;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        /* 板块 11：数字化转型常见问题 (手风琴) */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--accent-dark);
            background: rgba(16, 185, 129, 0.02);
        }

        .faq-icon {
            font-size: 1.25rem;
            font-weight: 300;
            transition: transform 0.25s ease;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
            background: #FAFAFA;
        }

        .faq-answer-inner {
            padding: 0 24px 20px 24px;
            font-size: 0.925rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            transition: max-height 0.3s cubic-bezier(1, 0, 1, 0);
        }

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

        /* 板块 12：底部全宽转化冲刺区 */
        .final-cta-card {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-content h2 {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-content p {
            font-size: 1.05rem;
            color: #CBD5E1;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .cta-action-box {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            padding: 32px;
            border-radius: var(--radius-md);
        }

        /* 吸底转化条 (仅在移动端或滚动后提升体验) */
        .floating-cta-bar {
            position: fixed;
            bottom: 20px;
            left: 50%;
            transform: translateX(-50%) translateY(120px);
            background: var(--bg-dark);
            border: 1px solid var(--accent);
            border-radius: 50px;
            padding: 10px 24px;
            display: flex;
            align-items: center;
            gap: 20px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
            z-index: 999;
            transition: transform 0.3s ease;
        }

        .floating-cta-bar.visible {
            transform: translateX(-50%) translateY(0);
        }

        .floating-text {
            color: #FFF;
            font-size: 0.9rem;
            font-weight: 600;
        }

        /* 统一 Footer */
        .site-footer {
            background-color: var(--bg-dark);
            color: #94A3B8;
            padding: 64px 0 32px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.875rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand h4 {
            font-size: 1.25rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 20px;
            color: #94A3B8;
        }

        .footer-links-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 18px;
        }

        .footer-links-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links-col a:hover {
            color: var(--accent-glow);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-grid, .platform-grid, .ai-center-grid, .final-cta-card {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .features-grid, .solutions-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid, .workflow-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: var(--shadow-md);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            .features-grid, .solutions-grid, .reviews-grid, .news-grid, .coverage-grid, .workflow-steps, .stories-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.8rem;
            }
            .final-cta-card {
                padding: 36px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .floating-cta-bar {
                width: 90%;
                justify-content: space-between;
                padding: 8px 16px;
            }
        }