/* roulang page: index */
:root {
            --brand-primary: #0B1B3D;
            --brand-secondary: #0F3460;
            --brand-accent: #00E599;
            --brand-energy: #FF6B35;
            --bg-light-1: #F8FAFC;
            --bg-light-2: #EDF2F7;
            --bg-dark-1: #0A0F1D;
            --bg-dark-2: #141E33;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-light: #F1F5F9;
            --border-color: rgba(226, 232, 240, 0.8);
            --border-dark: rgba(255, 255, 255, 0.1);
            --card-radius: 18px;
            --card-shadow: 0 10px 30px rgba(11, 27, 61, 0.06);
            --card-hover-shadow: 0 18px 40px rgba(11, 27, 61, 0.12);
            --transition-smooth: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: #FFFFFF;
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        /* 顶部微信息条与玻璃导航 */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            transition: var(--transition-smooth);
        }

        .top-info-bar {
            background: rgba(11, 27, 61, 0.95);
            color: #94A3B8;
            font-size: 13px;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-info-inner {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #E2E8F0;
        }

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

        .nav-glass {
            background: rgba(11, 27, 61, 0.65);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            padding: 14px 0;
            transition: var(--transition-smooth);
        }

        .nav-glass.scrolled {
            background: rgba(11, 27, 61, 0.96);
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.25);
            padding: 10px 0;
        }

        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand-logo {
            font-size: 22px;
            font-weight: 800;
            color: #FFFFFF;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-logo span {
            color: var(--brand-accent);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
            margin: 0;
        }

        .nav-menu a {
            color: #E2E8F0;
            font-size: 15px;
            font-weight: 500;
            position: relative;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--brand-accent);
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--brand-accent), #00C582);
            color: #07192C;
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 30px;
            box-shadow: 0 4px 14px rgba(0, 229, 153, 0.35);
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 229, 153, 0.5);
            color: #07192C;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border: 1px solid rgba(255, 255, 255, 0.4);
            color: #FFFFFF;
            font-weight: 600;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 30px;
            transition: var(--transition-smooth);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        /* 布局容器与通用 Section 样式 */
        .section-wrap {
            padding: 90px 0;
            position: relative;
        }

        .content-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .section-header.text-left {
            text-align: left;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-accent);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 10px;
            background: rgba(0, 229, 153, 0.1);
            padding: 4px 14px;
            border-radius: 20px;
            border: 1px solid rgba(0, 229, 153, 0.2);
        }

        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--brand-primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 780px;
            margin: 0 auto;
            line-height: 1.8;
        }

        .section-header.text-left p {
            margin: 0;
        }

        /* Section 1: Hero Banner 工业参数 */
        .hero-banner {
            position: relative;
            min-height: 860px;
            padding-top: 170px;
            padding-bottom: 90px;
            background: linear-gradient(135deg, rgba(11, 27, 61, 0.92), rgba(15, 52, 96, 0.88)), url('/assets/images/e8d2a4a5d3fc1a40.jpg') center/cover no-repeat;
            color: #FFFFFF;
            display: flex;
            align-items: center;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.25;
            color: #FFFFFF;
            margin-bottom: 22px;
            letter-spacing: -0.5px;
        }

        .hero-desc {
            font-size: 17px;
            color: #CBD5E1;
            line-height: 1.85;
            margin-bottom: 34px;
            max-width: 820px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 54px;
            flex-wrap: wrap;
        }

        .hero-stats-panel {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--card-radius);
            padding: 30px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-item {
            border-right: 1px solid rgba(255, 255, 255, 0.1);
            padding-right: 20px;
        }

        .stat-item:last-child {
            border-right: none;
            padding-right: 0;
        }

        .stat-value {
            font-size: 36px;
            font-weight: 800;
            color: var(--brand-accent);
            line-height: 1.1;
            margin-bottom: 6px;
            font-feature-settings: "tnum";
        }

        .stat-label {
            font-size: 13px;
            color: #94A3B8;
            font-weight: 500;
        }

        /* Section 2: 系统架构介绍区 */
        .bg-light-1 {
            background-color: var(--bg-light-1);
        }

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

        .arch-visual {
            position: relative;
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .arch-features {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .arch-feature-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 14px;
            padding: 22px;
            display: flex;
            gap: 18px;
            transition: var(--transition-smooth);
        }

        .arch-feature-card:hover {
            border-color: var(--brand-accent);
            transform: translateX(6px);
        }

        .feature-icon-badge {
            width: 48px;
            height: 48px;
            background: rgba(15, 52, 96, 0.08);
            color: var(--brand-secondary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            flex-shrink: 0;
        }

        /* Section 3: 核心技术优势（6卡片网格） */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .adv-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 32px 26px;
            position: relative;
            box-shadow: var(--card-shadow);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .adv-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--card-hover-shadow);
            border-color: rgba(0, 229, 153, 0.4);
        }

        .data-badge-top {
            position: absolute;
            top: 22px;
            right: 22px;
            background: rgba(11, 27, 61, 0.06);
            color: var(--brand-secondary);
            font-size: 11px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            border: 1px solid rgba(11, 27, 61, 0.1);
        }

        .adv-card-num {
            font-size: 28px;
            font-weight: 900;
            color: var(--brand-secondary);
            opacity: 0.25;
            margin-bottom: 14px;
        }

        .adv-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 12px;
        }

        .adv-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Section 4: 热门服务矩阵（3卡片对比） */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .matrix-card {
            background: #FFFFFF;
            border: 2px solid transparent;
            border-radius: var(--card-radius);
            padding: 38px 30px;
            box-shadow: var(--card-shadow);
            transition: var(--transition-smooth);
            position: relative;
            display: flex;
            flex-direction: column;
        }

        .matrix-card.featured {
            border-color: var(--brand-accent);
            transform: scale(1.02);
            box-shadow: 0 16px 40px rgba(0, 229, 153, 0.15);
        }

        .featured-label {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--brand-accent);
            color: #07192C;
            font-size: 12px;
            font-weight: 800;
            padding: 4px 16px;
            border-radius: 20px;
            text-transform: uppercase;
        }

        .matrix-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-primary);
            margin-bottom: 10px;
        }

        .matrix-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
            min-height: 48px;
        }

        .matrix-params {
            list-style: none;
            margin: 0 0 30px 0;
            padding: 0;
            flex-grow: 1;
        }

        .matrix-params li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            font-size: 14px;
            display: flex;
            justify-content: space-between;
            color: var(--text-main);
        }

        .matrix-params li span:first-child {
            color: var(--text-muted);
        }

        .matrix-params li span:last-child {
            font-weight: 700;
        }

        /* Section 5: 传统模式 vs 智能管理结果对比 */
        .comparison-wrapper {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 40px;
            box-shadow: var(--card-shadow);
        }

        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        .comp-column h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 24px;
            padding-bottom: 12px;
            border-bottom: 2px solid;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .comp-column.traditional h3 {
            color: #64748B;
            border-bottom-color: #CBD5E1;
        }

        .comp-column.intelligent h3 {
            color: var(--brand-secondary);
            border-bottom-color: var(--brand-accent);
        }

        .comp-item {
            margin-bottom: 22px;
        }

        .comp-label {
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            justify-content: space-between;
        }

        .progress-track {
            height: 10px;
            background: #E2E8F0;
            border-radius: 6px;
            overflow: hidden;
        }

        .progress-fill {
            height: 100%;
            border-radius: 6px;
        }

        .fill-red {
            background: #EF4444;
            width: 78%;
        }

        .fill-accent {
            background: var(--brand-accent);
            width: 95%;
        }

        .fill-orange {
            background: var(--brand-energy);
            width: 65%;
        }

        .fill-blue {
            background: #0284C7;
            width: 98%;
        }

        /* Section 6: 深色案例与技术底座区 */
        .bg-dark-section {
            background: linear-gradient(145deg, var(--bg-dark-1), var(--bg-dark-2));
            color: #FFFFFF;
        }

        .bg-dark-section .section-header h2 {
            color: #FFFFFF;
        }

        .bg-dark-section .section-header p {
            color: #94A3B8;
        }

        .tech-base-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .tech-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--card-radius);
            padding: 28px 22px;
            backdrop-filter: blur(8px);
            transition: var(--transition-smooth);
        }

        .tech-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--brand-accent);
            transform: translateY(-4px);
        }

        .tech-card h4 {
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .tech-card p {
            color: #94A3B8;
            font-size: 13px;
            line-height: 1.7;
        }

        /* Section 7: 标杆赛事用户故事 */
        .story-slider-box {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            box-shadow: var(--card-shadow);
        }

        .story-img-wrap {
            position: relative;
            min-height: 380px;
        }

        .story-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .story-details {
            padding: 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .story-badge {
            display: inline-block;
            background: rgba(11, 27, 61, 0.08);
            color: var(--brand-primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            margin-bottom: 14px;
            width: fit-content;
        }

        .story-details h3 {
            font-size: 24px;
            font-weight: 800;
            color: var(--brand-primary);
            margin-bottom: 16px;
        }

        .story-details p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .story-kpis {
            display: flex;
            gap: 28px;
        }

        .kpi-block strong {
            display: block;
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-secondary);
        }

        .kpi-block span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Section 8: 全域关键数据统计条 */
        .metric-stripe {
            background: linear-gradient(135deg, var(--brand-secondary), var(--brand-primary));
            padding: 50px 0;
            color: #FFFFFF;
        }

        .metric-stripe-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }

        .metric-stripe-item h3 {
            font-size: 40px;
            font-weight: 900;
            color: var(--brand-accent);
            margin-bottom: 6px;
            font-feature-settings: "tnum";
        }

        .metric-stripe-item p {
            font-size: 14px;
            color: #CBD5E1;
            font-weight: 500;
            margin: 0;
        }

        /* Section 9: 用户/主办方评价体系 */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

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

        .review-stars {
            color: #F59E0B;
            font-size: 16px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }

        .review-card p {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        .reviewer-meta strong {
            display: block;
            font-size: 14px;
            color: var(--brand-primary);
        }

        .reviewer-meta span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* Section 10: 行业资讯与赛事动态摘要 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--card-shadow);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--card-hover-shadow);
        }

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

        .news-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--brand-primary);
            line-height: 1.45;
            margin-bottom: 12px;
        }

        .news-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            flex-grow: 1;
        }

        .news-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--brand-secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-link:hover {
            color: var(--brand-accent);
        }

        /* Section 11: 平台安全与合规保障 */
        .security-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .sec-item {
            text-align: center;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 30px 20px;
            box-shadow: var(--card-shadow);
        }

        .sec-icon {
            width: 56px;
            height: 56px;
            margin: 0 auto 16px;
            background: rgba(0, 229, 153, 0.12);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: #059669;
            font-weight: 800;
        }

        .sec-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-primary);
            margin-bottom: 8px;
        }

        .sec-item p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin: 0;
        }

        /* Section 12: 智能赛事咨询与预约表单 + FAQ */
        .action-faq-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: start;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow);
        }

        .faq-question {
            padding: 18px 22px;
            font-size: 16px;
            font-weight: 700;
            color: var(--brand-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: var(--transition-smooth);
        }

        .faq-question:hover {
            color: var(--brand-secondary);
            background: rgba(248, 250, 252, 0.6);
        }

        .faq-arrow {
            transition: var(--transition-smooth);
            font-weight: bold;
        }

        .faq-item.active .faq-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
            padding: 0 22px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            padding-bottom: 18px;
        }

        .inquiry-form-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 34px;
            box-shadow: var(--card-shadow);
        }

        .inquiry-form-card h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--brand-primary);
            margin-bottom: 8px;
        }

        .inquiry-form-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }

        .form-control {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid #CBD5E1;
            border-radius: 8px;
            font-size: 14px;
            outline: none;
            transition: var(--transition-smooth);
        }

        .form-control:focus {
            border-color: var(--brand-secondary);
            box-shadow: 0 0 0 3px rgba(15, 52, 96, 0.12);
        }

        .form-select {
            appearance: none;
            background: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2364748B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e") right 14px center/14px no-repeat #fff;
        }

        /* 页脚区域 */
        .site-footer {
            background: var(--brand-primary);
            color: #94A3B8;
            padding: 70px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 36px;
            margin-bottom: 50px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col p {
            line-height: 1.8;
            margin-bottom: 14px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

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

        .footer-contact-item {
            margin-bottom: 10px;
            display: flex;
            gap: 8px;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }

        .footer-bottom a {
            color: #94A3B8;
        }

        .footer-bottom a:hover {
            color: #FFFFFF;
        }

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .hero-stats-panel {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .stat-item:nth-child(2) {
                border-right: none;
            }
            .advantage-grid,
            .matrix-grid,
            .tech-base-grid,
            .security-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .story-slider-box {
                grid-template-columns: 1fr;
            }
            .story-img-wrap {
                min-height: 280px;
            }
            .action-faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .hero-title {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-stats-panel {
                grid-template-columns: 1fr;
            }
            .stat-item {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding-bottom: 14px;
            }
            .stat-item:last-child {
                border-bottom: none;
            }
            .arch-grid,
            .advantage-grid,
            .matrix-grid,
            .comparison-grid,
            .tech-base-grid,
            .metric-stripe-grid,
            .review-grid,
            .news-grid,
            .security-row,
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .matrix-card.featured {
                transform: none;
            }
            .nav-menu {
                display: none;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .section-wrap {
                padding: 60px 0;
            }
        }