/* roulang page: index */
:root {
            --bg-main: #F8F9FA;
            --bg-white: #FFFFFF;
            --bg-dark: #0F141C;
            --bg-dark-card: #18202C;
            --primary: #004B49;
            --primary-hover: #003634;
            --accent: #00D1B2;
            --text-main: #111827;
            --text-muted: #4B5563;
            --text-light: #9CA3AF;
            --border-light: #E5E7EB;
            --border-dark: #1F2937;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --radius-sm: 4px;
            --radius-md: 8px;
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            --container-max: 1280px;
        }

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

        body {
            font-family: var(--font-family);
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button, input, select {
            font-family: inherit;
        }

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

        .section-header {
            margin-bottom: 48px;
        }
        .section-header.text-center {
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 12px;
            background: rgba(0, 75, 73, 0.08);
            padding: 4px 10px;
            border-radius: var(--radius-sm);
        }
        .section-tag.light {
            color: var(--accent);
            background: rgba(0, 209, 178, 0.12);
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-main);
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            margin-top: 14px;
            max-width: 720px;
        }
        .section-header.text-center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            height: 48px;
            padding: 0 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background-color: var(--primary-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);
        }
        .btn-accent {
            background-color: var(--accent);
            color: var(--bg-dark);
        }
        .btn-accent:hover {
            background-color: #00ebd3;
            transform: translateY(-2px);
        }

        /* 顶部导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: 0 1px 3px rgba(0,0,0,0.05);
        }
        .top-bar {
            background: var(--bg-dark);
            color: var(--text-light);
            font-size: 13px;
            border-bottom: 1px solid var(--border-dark);
            padding: 8px 0;
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-meta {
            display: flex;
            gap: 20px;
        }
        .top-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .main-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .site-brand {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .brand-symbol {
            width: 32px;
            height: 32px;
            background: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-weight: 900;
            font-size: 18px;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--text-main);
        }
        .nav-menu {
            display: flex;
            gap: 28px;
            list-style: none;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 0;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--primary);
        }

        /* 板块 02: Hero */
        .hero-section {
            background-color: #FFFFFF;
            padding: 40px 0 60px;
            border-bottom: 1px solid var(--border-light);
        }
        .flash-deal-banner {
            background: rgba(0, 75, 73, 0.05);
            border: 1px solid rgba(0, 75, 73, 0.15);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .deal-tag {
            background: var(--primary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 8px;
            border-radius: 2px;
        }
        .deal-timer {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .timer-digits {
            background: var(--bg-dark);
            color: #FFFFFF;
            padding: 2px 6px;
            border-radius: 2px;
            font-family: monospace;
        }
        .hero-layout {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--text-main);
        }
        .hero-desc {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }
        .hero-specs-strip {
            display: flex;
            gap: 24px;
            border-top: 1px solid var(--border-light);
            padding-top: 24px;
        }
        .spec-item small {
            display: block;
            color: var(--text-light);
            font-size: 12px;
            margin-bottom: 4px;
        }
        .spec-item strong {
            font-size: 18px;
            color: var(--text-main);
            font-weight: 700;
        }
        .hero-stage-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 12px 30px -10px rgba(0,0,0,0.06);
            position: relative;
        }
        .stage-media {
            position: relative;
            background: #f1f5f9;
            height: 380px;
            overflow: hidden;
        }
        .stage-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .stage-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(15, 20, 28, 0.85);
            color: #FFFFFF;
            padding: 6px 12px;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            backdrop-filter: blur(4px);
        }
        .stage-data-footer {
            padding: 20px 24px;
            background: #FFFFFF;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-light);
        }

        /* 统一 Section 基础 */
        .page-section {
            padding: 72px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .bg-subtle {
            background-color: #FFFFFF;
        }
        .bg-dark-section {
            background-color: var(--bg-dark);
            color: #FFFFFF;
            border-bottom: 1px solid var(--border-dark);
        }
        .bg-dark-section .section-title {
            color: #FFFFFF;
        }
        .bg-dark-section .section-desc {
            color: var(--text-light);
        }

        /* 板块 03: 痛点与解法 */
        .pain-points-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .pain-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .pain-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
        }
        .pain-status {
            font-size: 12px;
            font-weight: 700;
            color: #EF4444;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 12px;
        }
        .pain-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }
        .pain-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .solution-box {
            border-top: 1px dashed var(--border-light);
            padding-top: 14px;
        }
        .solution-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            display: block;
            margin-bottom: 4px;
        }
        .solution-desc {
            font-size: 13px;
            color: var(--text-main);
            font-weight: 500;
        }

        /* 板块 04: 产品矩阵 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .product-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .product-card:hover {
            border-color: var(--primary);
            box-shadow: 0 10px 25px -5px rgba(0,0,0,0.06);
        }
        .product-img {
            height: 220px;
            overflow: hidden;
            background: #f3f4f6;
        }
        .product-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .product-card:hover .product-img img {
            transform: scale(1.04);
        }
        .product-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .product-code {
            font-size: 12px;
            font-family: monospace;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 6px;
        }
        .product-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .product-intro {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .param-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
            margin-top: auto;
            margin-bottom: 20px;
        }
        .param-table td {
            padding: 8px 0;
            border-bottom: 1px solid #f3f4f6;
        }
        .param-table td:last-child {
            text-align: right;
            font-weight: 600;
            color: var(--text-main);
        }

        /* 板块 05: 六维优势 */
        .advantage-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .adv-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
            transition: var(--transition);
        }
        .adv-card:hover {
            border-color: var(--primary);
            box-shadow: 0 8px 20px rgba(0, 75, 73, 0.06);
        }
        .adv-number {
            font-size: 32px;
            font-weight: 800;
            color: rgba(0, 75, 73, 0.15);
            line-height: 1;
            margin-bottom: 16px;
            font-family: monospace;
        }
        .adv-card:hover .adv-number {
            color: var(--primary);
        }
        .adv-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .adv-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 板块 06: 深色全闭环工艺 */
        .timeline-steps {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            margin-top: 40px;
        }
        .step-item {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 20px;
            position: relative;
        }
        .step-index {
            font-size: 12px;
            font-family: monospace;
            color: var(--accent);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .step-name {
            font-size: 16px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }
        .step-desc {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.55;
        }

        /* 板块 07: 关键数据条 */
        .metric-banner-section {
            background: #FFFFFF;
            padding: 48px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .metric-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .metric-val {
            font-size: 44px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 8px;
            font-family: monospace;
        }
        .metric-label {
            font-size: 14px;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 板块 08: 标杆应用案例 */
        .case-showcase-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .case-media {
            height: 100%;
            min-height: 380px;
            background: #eee;
        }
        .case-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-details {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .case-badge {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .case-title {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .case-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .case-metrics-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
        }
        .c-metric-item small {
            font-size: 12px;
            color: var(--text-light);
            display: block;
            margin-bottom: 4px;
        }
        .c-metric-item strong {
            font-size: 18px;
            color: var(--primary);
            font-weight: 700;
        }

        /* 板块 09: 主机厂评价 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .quote-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 30px;
            position: relative;
        }
        .quote-symbol {
            font-size: 36px;
            line-height: 1;
            color: rgba(0, 75, 73, 0.2);
            font-family: serif;
            margin-bottom: 12px;
        }
        .quote-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .author-box {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid #f3f4f6;
            padding-top: 16px;
        }
        .author-role small {
            display: block;
            font-size: 12px;
            color: var(--text-light);
        }
        .author-role strong {
            font-size: 14px;
            color: var(--text-main);
        }

        /* 板块 10: 行业场景矩阵 */
        .personas-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .persona-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
        }
        .persona-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .persona-focus {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 12px;
        }
        .persona-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .persona-spec-list {
            list-style: none;
            font-size: 12px;
            color: var(--text-muted);
        }
        .persona-spec-list li {
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .persona-spec-list li::before {
            content: '•';
            color: var(--primary);
            font-weight: bold;
        }

        /* 板块 11: 方案对比选型 */
        .table-responsive {
            overflow-x: auto;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            font-size: 14px;
        }
        .comparison-table th, .comparison-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
        }
        .comparison-table th {
            background: #f9fafb;
            font-weight: 700;
            color: var(--text-main);
        }
        .comparison-table tr.highlight-row {
            background: rgba(0, 75, 73, 0.02);
        }
        .comparison-table tr.highlight-row td:first-child {
            font-weight: 700;
            color: var(--primary);
        }

        /* 板块 12: 技术动态 */
        .insights-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 24px;
        }
        .main-insight-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .insight-thumb {
            height: 240px;
            background: #f3f4f6;
        }
        .insight-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .main-insight-body {
            padding: 28px;
            flex: 1;
        }
        .insight-side-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .side-insight-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: var(--transition);
        }
        .side-insight-item:hover {
            border-color: var(--primary);
        }
        .insight-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .insight-item-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .insight-item-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 13: 常见技术答疑 (手风琴) */
        .faq-accordion {
            max-width: 840px;
            margin: 0 auto;
        }
        .faq-item {
            border: 1px solid var(--border-light);
            background: #FFFFFF;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-trigger {
            width: 100%;
            padding: 18px 24px;
            text-align: left;
            background: transparent;
            border: none;
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .faq-trigger:hover {
            color: var(--primary);
        }
        .faq-symbol {
            font-size: 20px;
            font-family: monospace;
            color: var(--primary);
            transition: transform 0.2s;
        }
        .faq-item.active .faq-symbol {
            transform: rotate(45deg);
        }
        .faq-content {
            display: none;
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid #f9fafb;
        }
        .faq-item.active .faq-content {
            display: block;
        }

        /* 板块 14: 最终转化与技术咨询 */
        .cta-box-section {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
            padding: 80px 0;
        }
        .cta-wrapper {
            background: var(--bg-dark);
            border-radius: var(--radius-md);
            padding: 56px 48px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .cta-text h2 {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #FFFFFF;
        }
        .cta-text p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-perks {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: #E5E7EB;
        }
        .cta-perks li {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .cta-perks li::before {
            content: '✓';
            color: var(--accent);
            font-weight: bold;
        }
        .inquiry-form {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 32px;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: #E5E7EB;
            margin-bottom: 6px;
        }
        .form-control {
            width: 100%;
            height: 44px;
            background: #0F141C;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            color: #FFFFFF;
            font-size: 14px;
            transition: var(--transition);
        }
        .form-control:focus {
            outline: none;
            border-color: var(--accent);
        }
        .form-privacy-note {
            font-size: 12px;
            color: var(--text-light);
            margin-top: 12px;
            line-height: 1.5;
            text-align: center;
        }

        /* 页脚系统 */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-light);
            padding: 64px 0 0;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 48px;
            border-bottom: 1px solid var(--border-dark);
        }
        .footer-brand-title {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-desc {
            font-size: 13px;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 13px;
        }
        .sub-footer {
            padding: 24px 0;
            font-size: 13px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            color: #6B7280;
        }
        .sub-footer-links {
            display: flex;
            gap: 20px;
        }

        /* 移动端菜单按钮与响应式 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            cursor: pointer;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
        }

        @media (max-width: 1024px) {
            .hero-layout {
                grid-template-columns: 1fr;
            }
            .timeline-steps {
                grid-template-columns: repeat(3, 1fr);
            }
            .case-showcase-box {
                grid-template-columns: 1fr;
            }
            .cta-wrapper {
                grid-template-columns: 1fr;
                padding: 40px 24px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                padding: 20px 24px;
                border-bottom: 1px solid var(--border-light);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
                gap: 16px;
            }
            .nav-menu.show {
                display: flex;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .pain-points-grid,
            .solutions-grid,
            .advantage-matrix,
            .testimonials-grid,
            .personas-grid,
            .insights-grid {
                grid-template-columns: 1fr;
            }
            .timeline-steps {
                grid-template-columns: 1fr;
            }
            .metric-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-specs-strip {
                flex-wrap: wrap;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .sub-footer {
                flex-direction: column;
                align-items: flex-start;
            }
        }