/* roulang page: index */
:root {
            --primary: #0F766E;
            --primary-dark: #115E59;
            --primary-light: #CCFBF1;
            --accent: #F97316;
            --accent-hover: #EA580C;
            --bg-main: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-dark: #0F172A;
            --bg-card: #FFFFFF;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
            --border-dark: #1E293B;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 10px 30px -4px rgba(15, 23, 42, 0.12);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-body);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        ul {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 顶部导航条 */
        .top-bar {
            background-color: var(--bg-dark);
            color: #94A3B8;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-status {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .status-dot {
            width: 8px;
            height: 8px;
            background-color: #10B981;
            border-radius: 50%;
            box-shadow: 0 0 8px #10B981;
        }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 999;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: white;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 800;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-item {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
        }
        .nav-item:hover, .nav-item.active {
            color: var(--primary);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        /* 按钮与通用组件 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            min-height: 44px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #ffffff;
            box-shadow: 0 2px 10px rgba(15, 118, 110, 0.2);
        }
        .btn-primary:hover {
            background-color: var(--primary-dark);
            transform: translateY(-1px);
        }
        .btn-accent {
            background-color: var(--accent);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(249, 115, 22, 0.3);
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
        }
        .btn-outline {
            border-color: var(--border-light);
            background: #FFFFFF;
            color: var(--text-main);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }

        /* 板块通用框架 */
        .section {
            padding: 84px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 54px auto;
        }
        .section-tag {
            display: inline-block;
            padding: 4px 12px;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            border-radius: 20px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Hero：产品截图舞台居中版式 */
        .hero-section {
            position: relative;
            background: linear-gradient(180deg, #F0FDFA 0%, #F8FAFC 100%);
            padding: 60px 0 90px 0;
            overflow: hidden;
            text-align: center;
        }
        .hero-badge-wrap {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FFFFFF;
            padding: 6px 16px;
            border-radius: 30px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            margin-bottom: 24px;
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-desc {
            font-size: 17px;
            color: var(--text-body);
            max-width: 820px;
            margin: 0 auto 36px auto;
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .hero-stage {
            position: relative;
            max-width: 1040px;
            margin: 0 auto;
            border-radius: var(--radius-lg);
            padding: 12px;
            background: rgba(255, 255, 255, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.8);
            box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
        }
        .hero-stage-inner {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #000;
            position: relative;
        }
        .hero-stage img {
            width: 100%;
            height: 480px;
            object-fit: cover;
        }
        .hero-feature-tags {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
            text-align: left;
        }
        .hero-tag-item {
            background: #FFFFFF;
            padding: 18px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .hero-tag-item h4 {
            font-size: 15px;
            color: var(--text-main);
            margin-bottom: 4px;
            font-weight: 700;
        }
        .hero-tag-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 1. 痛点解构 (id="pain-points") */
        .pain-points-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }
        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: #FECACA;
        }
        .pain-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: #FEE2E2;
            color: #DC2626;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 20px;
            margin-bottom: 20px;
        }
        .pain-card h3 {
            font-size: 18px;
            color: var(--text-main);
            margin-bottom: 12px;
            font-weight: 700;
        }
        .pain-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 2. 解决方案 (id="about-system") */
        .system-solution {
            background: #FFFFFF;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .two-column-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .feature-bullets {
            margin: 28px 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .bullet-item {
            display: flex;
            gap: 14px;
        }
        .bullet-check {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            font-size: 13px;
            flex-shrink: 0;
            margin-top: 2px;
        }
        .bullet-text h4 {
            font-size: 16px;
            color: var(--text-main);
            font-weight: 700;
            margin-bottom: 4px;
        }
        .bullet-text p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .image-display-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 4px solid #FFFFFF;
        }

        /* 3. 核心优势 (id="core-advantages") */
        .adv-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .adv-card {
            background: #FFFFFF;
            padding: 32px 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .adv-card:hover {
            transform: translateY(-4px);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
        }
        .adv-badge {
            width: 40px;
            height: 40px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            margin-bottom: 18px;
            font-size: 16px;
        }
        .adv-card h3 {
            font-size: 18px;
            color: var(--text-main);
            margin-bottom: 10px;
            font-weight: 700;
        }
        .adv-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 4. 场景演示 (id="product-matrix") */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .matrix-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .matrix-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .matrix-img {
            height: 200px;
            overflow: hidden;
        }
        .matrix-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .matrix-card:hover .matrix-img img {
            transform: scale(1.05);
        }
        .matrix-body {
            padding: 24px;
        }
        .matrix-body h3 {
            font-size: 18px;
            color: var(--text-main);
            margin-bottom: 10px;
            font-weight: 700;
        }
        .matrix-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .matrix-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .matrix-tag-list span {
            font-size: 12px;
            padding: 3px 10px;
            background: #F1F5F9;
            color: var(--text-body);
            border-radius: 4px;
        }

        /* 5. 深色全景实施路径 (id="workflow-dark") */
        .dark-workflow {
            background-color: var(--bg-dark);
            color: #FFFFFF;
        }
        .dark-workflow .section-title {
            color: #FFFFFF;
        }
        .dark-workflow .section-subtitle {
            color: #94A3B8;
        }
        .dark-workflow .section-tag {
            background: rgba(204, 251, 241, 0.1);
            color: #5EEAD4;
        }
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            margin-top: 40px;
        }
        .step-card {
            background: #1E293B;
            border-radius: var(--radius-md);
            padding: 28px 22px;
            border: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
        }
        .step-num {
            font-size: 32px;
            font-weight: 900;
            color: var(--accent);
            line-height: 1;
            margin-bottom: 16px;
        }
        .step-card h3 {
            font-size: 17px;
            color: #FFFFFF;
            margin-bottom: 10px;
            font-weight: 700;
        }
        .step-card p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.6;
        }

        /* 6. 实战故事 (id="user-stories") */
        .story-box {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }
        .story-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .story-details h3 {
            font-size: 22px;
            color: var(--text-main);
            margin-bottom: 14px;
            font-weight: 800;
        }
        .story-details p {
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .story-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
        }
        .stat-item h4 {
            font-size: 24px;
            color: var(--primary);
            font-weight: 800;
        }
        .stat-item p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 7. 数字化运营成效统计 (id="metrics-data") */
        .metrics-banner {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #FFFFFF;
            padding: 60px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }
        .metric-block h3 {
            font-size: 40px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 8px;
            letter-spacing: -1px;
        }
        .metric-block p {
            font-size: 15px;
            color: #CCFBF1;
            font-weight: 500;
        }

        /* 8. 社会认同与评价 (id="testimonials") */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .testimonial-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
        }
        .stars {
            color: #FBBF24;
            margin-bottom: 16px;
            font-size: 14px;
        }
        .testimonial-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .user-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
        }
        .user-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: var(--primary);
        }
        .user-info h4 {
            font-size: 15px;
            color: var(--text-main);
            font-weight: 700;
        }
        .user-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 9. 行业资讯与运营指南 (id="industry-insights") */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-thumb {
            height: 180px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-content {
            padding: 24px;
        }
        .news-tag {
            font-size: 12px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            display: inline-block;
        }
        .news-content h3 {
            font-size: 17px;
            color: var(--text-main);
            margin-bottom: 10px;
            font-weight: 700;
            line-height: 1.4;
        }
        .news-content p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 10. 套餐对比 (id="pricing-plans") */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }
        .pricing-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            position: relative;
        }
        .pricing-card.featured {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
        }
        .plan-ribbon {
            position: absolute;
            top: -12px;
            right: 24px;
            background: var(--accent);
            color: white;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
        }
        .plan-name {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .plan-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .plan-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 24px;
        }
        .plan-price span {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: normal;
        }
        .plan-features {
            margin-bottom: 30px;
            flex-grow: 1;
        }
        .plan-features li {
            font-size: 14px;
            color: var(--text-body);
            padding: 8px 0;
            display: flex;
            align-items: center;
            gap: 8px;
            border-bottom: 1px dashed #F1F5F9;
        }

        /* 11. 保障条 (id="guarantee") */
        .guarantee-bar {
            background: #F1F5F9;
            padding: 40px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .guarantee-item h4 {
            font-size: 16px;
            color: var(--text-main);
            margin-bottom: 6px;
            font-weight: 700;
        }
        .guarantee-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 12. 问答手风琴 (id="faq") */
        .faq-accordion {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-icon {
            font-size: 18px;
            transition: var(--transition);
        }
        .faq-answer {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            border-top: 1px solid #F8FAFC;
        }

        /* 转化表单 (id="bottom-cta") */
        .bottom-cta-section {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            color: #FFFFFF;
            padding: 90px 0;
            position: relative;
        }
        .cta-box-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .cta-content p {
            font-size: 16px;
            color: #94A3B8;
            margin-bottom: 28px;
            line-height: 1.8;
        }
        .cta-form-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
            color: var(--text-main);
        }
        .cta-form-card h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
            text-align: center;
            color: var(--text-main);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: var(--text-body);
        }
        .form-input {
            width: 100%;
            height: 44px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            font-size: 14px;
            outline: none;
            transition: var(--transition);
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.15);
        }

        /* 统一页脚 */
        .site-footer {
            background: #090E1A;
            color: #64748B;
            padding: 60px 0 30px 0;
            font-size: 14px;
            border-top: 1px solid #1E293B;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 20px;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid #1E293B;
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 移动端汉堡包适配 */
        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            background: transparent;
            border: none;
        }
        .menu-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-feature-tags,
            .pain-points-grid,
            .workflow-timeline,
            .metrics-grid,
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .adv-grid,
            .matrix-grid,
            .testimonials-grid,
            .news-grid,
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card.featured {
                transform: none;
            }
            .two-column-layout,
            .story-layout,
            .cta-box-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu, .nav-actions {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-stage img {
                height: 260px;
            }
            .adv-grid,
            .matrix-grid,
            .testimonials-grid,
            .news-grid,
            .pricing-grid,
            .pain-points-grid,
            .workflow-timeline,
            .metrics-grid,
            .guarantee-grid,
            .hero-feature-tags {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .story-stats {
                grid-template-columns: 1fr;
            }
        }