/* roulang page: index */
:root {
            --bg-main: #0c0f14;
            --bg-card: #141820;
            --bg-card-hover: #1b212c;
            --bg-light: #f8fafc;
            --text-main: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dark: #0f172a;
            --primary: #d4af37;
            --primary-hover: #e5be42;
            --accent: #00e5ff;
            --accent-glow: rgba(0, 229, 255, 0.25);
            --border-line: rgba(255, 255, 255, 0.08);
            --border-light: #e2e8f0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --shadow-card: 0 12px 32px -4px rgba(0, 0, 0, 0.45);
            --container-max: 1240px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-tap-highlight-color: transparent;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.75;
        }

        body {
            overflow-x: hidden;
            letter-spacing: -0.01em;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

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

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

        /* 顶部导航 */
        .top-sub-bar {
            background-color: #07090c;
            border-bottom: 1px solid var(--border-line);
            font-size: 13px;
            color: var(--text-muted);
            padding: 8px 0;
        }
        .top-sub-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-sub-tags span {
            margin-right: 18px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .top-sub-tags .dot {
            width: 6px;
            height: 6px;
            background-color: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent);
        }

        header.site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(12, 15, 20, 0.92);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-line);
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 74px;
        }
        .brand-logo {
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: -0.02em;
        }
        .brand-logo .logo-badge {
            background: linear-gradient(135deg, var(--primary), #b38e22);
            color: #0c0f14;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            font-weight: 800;
        }
        .nav-menu {
            display: flex;
            list-style: none;
            gap: 28px;
        }
        .nav-link {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--text-main);
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent);
            box-shadow: 0 0 10px var(--accent);
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            min-height: 48px;
        }
        .btn-primary {
            background: var(--primary);
            color: #0c0f14;
        }
        .btn-primary:hover {
            background: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
        }
        .btn-secondary {
            background: transparent;
            border-color: var(--border-line);
            color: var(--text-main);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .btn-accent {
            background: rgba(0, 229, 255, 0.1);
            border-color: var(--accent);
            color: var(--accent);
        }
        .btn-accent:hover {
            background: var(--accent);
            color: #0c0f14;
            box-shadow: 0 0 20px var(--accent-glow);
        }

        /* 移动端汉堡菜单 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 8px;
        }

        /* 板块公用 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
            background: rgba(0, 229, 255, 0.08);
            padding: 4px 12px;
            border-radius: 99px;
            border: 1px solid rgba(0, 229, 255, 0.2);
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #ffffff;
            letter-spacing: -0.02em;
        }
        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 0. Hero: 预约到店/评估视觉 + 卖点 */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background: radial-gradient(circle at 80% 20%, rgba(0, 229, 255, 0.06), transparent 45%),
                        linear-gradient(180deg, #0c0f14 0%, #10141c 100%);
            border-bottom: 1px solid var(--border-line);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 24px;
            color: #ffffff;
        }
        .hero-content p {
            font-size: 16px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-features {
            display: flex;
            gap: 20px;
            margin-bottom: 36px;
        }
        .hero-feature-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: #cbd5e1;
        }
        .hero-feature-item span.icon {
            color: var(--primary);
            font-weight: bold;
        }
        .hero-booking-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .hero-booking-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-top-left-radius: var(--radius-md);
            border-top-right-radius: var(--radius-md);
        }
        .booking-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #ffffff;
        }
        .booking-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .booking-field {
            margin-bottom: 16px;
        }
        .booking-field label {
            display: block;
            font-size: 13px;
            color: #94a3b8;
            margin-bottom: 6px;
        }
        .booking-field select, .booking-field input {
            width: 100%;
            height: 44px;
            background: #090c10;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-sm);
            color: #ffffff;
            padding: 0 12px;
            font-size: 14px;
            outline: none;
        }
        .booking-field select:focus, .booking-field input:focus {
            border-color: var(--accent);
        }

        /* 1. 指标看板与核心效能区 */
        .metrics-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 10px;
        }
        .metric-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: all 0.25s ease;
        }
        .metric-card:hover {
            border-color: rgba(0, 229, 255, 0.3);
            transform: translateY(-3px);
        }
        .metric-value {
            font-size: 38px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 8px;
            font-family: monospace, sans-serif;
        }
        .metric-title {
            font-size: 14px;
            font-weight: 600;
            color: #e2e8f0;
            margin-bottom: 6px;
        }
        .metric-detail {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 2. 跨平台全栈技术介绍与参数合规区 */
        .specs-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }
        .specs-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .spec-item {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            padding: 18px 24px;
            border-radius: var(--radius-sm);
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .spec-label {
            font-size: 14px;
            color: #cbd5e1;
        }
        .spec-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            font-family: monospace;
        }
        .specs-preview-card {
            background: #10141d;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .specs-preview-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .specs-preview-card .card-body {
            padding: 24px;
        }
        .specs-preview-card h3 {
            font-size: 18px;
            margin-bottom: 8px;
            color: #ffffff;
        }
        .specs-preview-card p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 3. 跨平台游戏研发服务矩阵 (2x3) */
        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .service-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            transform: translateY(-4px);
            background: var(--bg-card-hover);
        }
        .service-icon-box {
            width: 48px;
            height: 48px;
            background: rgba(212, 175, 55, 0.1);
            border: 1px solid rgba(212, 175, 55, 0.3);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 20px;
        }
        .service-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
        }
        .service-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .service-tags span {
            font-size: 11px;
            background: rgba(255, 255, 255, 0.04);
            color: #94a3b8;
            padding: 3px 8px;
            border-radius: 4px;
            border: 1px solid var(--border-line);
        }

        /* 4. 研发方案展示 (3列卡片) */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .solution-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .solution-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
        }
        .solution-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .solution-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }
        .solution-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        /* 5. 结果深度对比区 */
        .comparison-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .comp-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 32px;
        }
        .comp-card.highlight {
            border-color: var(--accent);
            background: linear-gradient(180deg, #141c26 0%, #10151d 100%);
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.08);
        }
        .comp-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .comp-card .badge {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 99px;
            font-weight: 600;
        }
        .badge-legacy {
            background: rgba(239, 68, 68, 0.15);
            color: #ef4444;
            border: 1px solid rgba(239, 68, 68, 0.3);
        }
        .badge-pro {
            background: rgba(0, 229, 255, 0.15);
            color: var(--accent);
            border: 1px solid rgba(0, 229, 255, 0.4);
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
        }
        .comp-table tr {
            border-bottom: 1px solid var(--border-line);
        }
        .comp-table tr:last-child {
            border-bottom: none;
        }
        .comp-table td {
            padding: 14px 0;
            font-size: 14px;
        }
        .comp-table td.val {
            text-align: right;
            font-weight: 700;
            font-family: monospace;
        }

        /* 6. 里程碑时间线 */
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }
        .timeline-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            position: relative;
        }
        .timeline-step {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: #090c10;
            border: 2px solid var(--primary);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 14px;
            margin-bottom: 16px;
        }
        .timeline-card h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 8px;
        }
        .timeline-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 7. 深色全景案例与底层技术理念 */
        .philosophy-section {
            background: #080a0e;
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
        }
        .philosophy-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .philosophy-text h3 {
            font-size: 28px;
            margin-bottom: 16px;
            color: #ffffff;
        }
        .philosophy-text p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .philosophy-media img {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-line);
            box-shadow: 0 20px 40px rgba(0,0,0,0.6);
        }

        /* 8. 联合研发实战故事 */
        .story-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 0;
        }
        .story-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .story-body {
            padding: 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .story-body h3 {
            font-size: 22px;
            margin-bottom: 14px;
            color: #ffffff;
        }
        .story-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .story-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-line);
            padding-top: 16px;
        }
        .story-author-info h5 {
            font-size: 14px;
            color: #fff;
        }
        .story-author-info p {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* 9. 全局研发数据统计条 */
        .global-stats-bar {
            background: linear-gradient(90deg, #10141d 0%, #151b27 100%);
            border-top: 1px solid var(--border-line);
            border-bottom: 1px solid var(--border-line);
            padding: 48px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item .num {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            font-family: monospace;
            margin-bottom: 6px;
        }
        .stat-item .label {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 10. 评价墙 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testi-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 28px;
            position: relative;
        }
        .testi-card .rating {
            color: var(--primary);
            font-size: 14px;
            margin-bottom: 12px;
        }
        .testi-card p {
            font-size: 14px;
            color: #cbd5e1;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .testi-user {
            font-size: 13px;
            font-weight: 600;
            color: #ffffff;
        }
        .testi-role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 11. 技术资讯内嵌 */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .insight-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 24px;
            transition: all 0.25s ease;
        }
        .insight-card:hover {
            border-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-3px);
        }
        .insight-meta {
            font-size: 12px;
            color: var(--accent);
            margin-bottom: 10px;
        }
        .insight-card h4 {
            font-size: 16px;
            color: #ffffff;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .insight-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .insight-more {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 12. 平台合规与安全保障 */
        .compliance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .comp-box {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-sm);
            padding: 24px;
        }
        .comp-box h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 8px;
        }
        .comp-box p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 13. 高频答疑 FAQ */
        .faq-wrap {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        details.faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all 0.25s ease;
        }
        details.faq-item[open] {
            border-color: rgba(0, 229, 255, 0.3);
            background: #121620;
        }
        summary.faq-question {
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            color: #ffffff;
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary.faq-question::-webkit-details-marker {
            display: none;
        }
        summary.faq-question::after {
            content: '+';
            font-size: 18px;
            color: var(--accent);
            transition: transform 0.2s ease;
        }
        details.faq-item[open] summary.faq-question::after {
            transform: rotate(45deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 14px;
        }

        /* 底部转换表单收口 */
        .contact-section {
            background: #090c10;
            border-top: 1px solid var(--border-line);
        }
        .contact-form-card {
            background: var(--bg-card);
            border: 1px solid var(--border-line);
            border-radius: var(--radius-md);
            padding: 40px;
            max-width: 800px;
            margin: 0 auto;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 20px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .form-group label {
            font-size: 13px;
            color: #cbd5e1;
        }
        .form-group input, .form-group select, .form-group textarea {
            background: #0a0d13;
            border: 1px solid var(--border-line);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            color: #fff;
            font-size: 14px;
            outline: none;
        }
        .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
            border-color: var(--accent);
        }
        .form-group textarea {
            resize: vertical;
            height: 100px;
        }

        /* 页脚 */
        footer.site-footer {
            background: #06070a;
            border-top: 1px solid var(--border-line);
            padding: 60px 0 30px;
            font-size: 13px;
            color: #64748b;
        }
        .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;
        }
        .footer-col h5 {
            font-size: 14px;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--accent);
        }
        .footer-bottom {
            border-top: 1px solid var(--border-line);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
        }

        /* 响应式样式 */
        @media (max-width: 1024px) {
            .hero-grid, .specs-grid, .philosophy-content, .story-card, .comparison-wrap {
                grid-template-columns: 1fr;
            }
            .service-matrix-grid, .solutions-grid, .testimonials-grid, .insights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .metrics-board, .compliance-grid, .stats-grid, .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 74px;
                left: 0;
                right: 0;
                background: #0c0f14;
                border-bottom: 1px solid var(--border-line);
                flex-direction: column;
                padding: 24px;
                gap: 16px;
            }
            .nav-menu.show {
                display: flex;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .service-matrix-grid, .solutions-grid, .testimonials-grid, .insights-grid, .timeline-grid, .metrics-board, .compliance-grid, .stats-grid, .footer-grid {
                grid-template-columns: 1fr;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .top-sub-bar {
                display: none;
            }
        }