/* roulang page: index */
:root {
            --primary: #0F5132;
            --primary-dark: #0A3622;
            --primary-light: #157347;
            --secondary: #C59B27;
            --secondary-hover: #D4A838;
            --bg-base: #F8F9FA;
            --bg-card: #FFFFFF;
            --bg-dark: #121816;
            --text-main: #1A202C;
            --text-muted: #4A5568;
            --text-light: #718096;
            --border-color: #E2E8F0;
            --radius-sm: 4px;
            --radius-md: 8px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.02);
            --shadow-lg: 0 10px 20px -5px rgba(15,81,50,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
            --container-max: 1200px;
        }

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

        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, "PingFang SC", "Lantinghei SC", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-base);
            font-size: 16px;
            line-height: 1.65;
        }

        body {
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.2s ease;
        }

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

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

        /* 顶部双行导航 */
        .top-utility-bar {
            background-color: var(--primary-dark);
            color: #E2E8F0;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .utility-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .utility-tags {
            display: flex;
            gap: 16px;
        }
        .utility-tag-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .utility-tag-item::before {
            content: "✓";
            color: var(--secondary);
            font-weight: bold;
        }

        .main-header {
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(8px);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 2px 10px rgba(0,0,0,0.04);
            border-bottom: 1px solid var(--border-color);
        }
        .nav-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .brand-logo-badge {
            background-color: var(--secondary);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 600;
            padding: 2px 6px;
            border-radius: var(--radius-sm);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 24px;
            list-style: none;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            padding: 8px 4px;
            position: relative;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
        }
        .btn-primary {
            background-color: var(--secondary);
            color: #1A202C;
            border-color: var(--secondary);
        }
        .btn-primary:hover {
            background-color: var(--secondary-hover);
            transform: translateY(-1px);
        }
        .btn-outline {
            background-color: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .btn-dark {
            background-color: #FFFFFF;
            color: var(--primary);
        }
        .btn-dark:hover {
            background-color: #F0FDF4;
        }

        /* 模块排版与基础样式 */
        section {
            padding: 80px 0;
            position: relative;
        }
        .section-header {
            margin-bottom: 48px;
            text-align: center;
            max-width: 800px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background-color: rgba(15, 81, 50, 0.08);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.35;
            color: var(--text-main);
            margin-bottom: 16px;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 模块一：Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(rgba(10, 54, 34, 0.88), rgba(10, 54, 34, 0.94)), url('/assets/images/25f4d2a1d025d5a1.jpg') center/cover no-repeat;
            color: #FFFFFF;
            padding: 100px 0 90px;
        }
        .hero-layout {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }
        .hero-lead {
            font-size: 17px;
            line-height: 1.75;
            color: #E2E8F0;
            margin-bottom: 30px;
        }
        .hero-checklist {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-bottom: 36px;
            list-style: none;
        }
        .hero-checklist-item {
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #F1F5F9;
        }
        .hero-checklist-item span {
            color: var(--secondary);
            font-weight: bold;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            align-items: center;
        }
        .hero-stage-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(12px);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        }
        .stage-inner-box {
            background-color: rgba(0, 0, 0, 0.4);
            border-radius: var(--radius-sm);
            padding: 20px;
            border: 1px dashed rgba(255,255,255,0.2);
        }
        .stage-title {
            font-size: 16px;
            color: var(--secondary);
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            justify-content: space-between;
        }
        .stage-row {
            display: flex;
            justify-content: space-between;
            font-size: 13px;
            color: #CBD5E1;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        /* 模块二：卖点三连 */
        .overview-section {
            background-color: #FFFFFF;
        }
        .overview-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .overview-card {
            background-color: var(--bg-base);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .overview-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 81, 50, 0.3);
        }
        .overview-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 14px;
            font-family: monospace;
        }
        .overview-card h3 {
            font-size: 19px;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .overview-card p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 模块三：核心优势六维矩阵 */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-box {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px;
            transition: all 0.25s ease;
        }
        .feature-box:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--secondary);
        }
        .feature-icon-bar {
            width: 44px;
            height: 44px;
            background-color: rgba(15, 81, 50, 0.1);
            color: var(--primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 18px;
        }
        .feature-box h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .feature-box p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 模块四：经典玩法主流产品谱系 */
        .products-section {
            background-color: #FFFFFF;
        }
        .product-stack-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .product-card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: #FFFFFF;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.3s ease;
        }
        .product-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .product-img-wrap {
            height: 190px;
            overflow: hidden;
            background-color: #1A202C;
            position: relative;
        }
        .product-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .product-card:hover .product-img-wrap img {
            transform: scale(1.05);
        }
        .product-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background-color: rgba(15, 81, 50, 0.9);
            color: #FFFFFF;
            font-size: 12px;
            padding: 3px 8px;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }
        .product-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .product-body h3 {
            font-size: 19px;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .product-body p {
            font-size: 14.5px;
            color: var(--text-muted);
            margin-bottom: 18px;
            line-height: 1.6;
        }
        .product-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }
        .product-tag {
            font-size: 12px;
            background-color: var(--bg-base);
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }
        .product-card-cta {
            margin-top: auto;
        }

        /* 模块五：深色案例沉浸式体验区 */
        .showcase-section {
            background-color: var(--bg-dark);
            color: #FFFFFF;
        }
        .showcase-section .section-title {
            color: #FFFFFF;
        }
        .showcase-section .section-desc {
            color: #94A3B8;
        }
        .showcase-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .showcase-media {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.1);
            box-shadow: 0 16px 32px rgba(0,0,0,0.4);
        }
        .showcase-details h3 {
            font-size: 24px;
            color: var(--secondary);
            margin-bottom: 16px;
        }
        .showcase-details p {
            font-size: 15px;
            color: #CBD5E1;
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .metrics-mini-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .metric-mini-item {
            background: rgba(255,255,255,0.04);
            padding: 16px;
            border-radius: var(--radius-sm);
            border-left: 3px solid var(--secondary);
        }
        .metric-mini-num {
            font-size: 20px;
            font-weight: bold;
            color: #FFFFFF;
        }
        .metric-mini-lbl {
            font-size: 12px;
            color: #94A3B8;
        }

        /* 模块六：客户落地全周期故事 */
        .timeline-section {
            background-color: #FFFFFF;
        }
        .timeline-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .timeline-step {
            background: var(--bg-base);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--border-color);
            position: relative;
        }
        .step-index {
            width: 32px;
            height: 32px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 16px;
        }
        .timeline-step h4 {
            font-size: 17px;
            margin-bottom: 10px;
        }
        .timeline-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 模块七：关键研发与运维数据统计条 */
        .metrics-strip {
            background: linear-gradient(90deg, var(--primary-dark) 0%, var(--primary) 100%);
            color: #FFFFFF;
            padding: 60px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .metric-stat-item h3 {
            font-size: 40px;
            font-weight: 800;
            color: var(--secondary);
            font-family: monospace;
            margin-bottom: 6px;
        }
        .metric-stat-item p {
            font-size: 14.5px;
            color: #E2E8F0;
        }

        /* 模块八：全行业合作口碑与客户评价 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }
        .testimonial-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 30px;
            box-shadow: var(--shadow-sm);
        }
        .testimonial-rating {
            color: var(--secondary);
            font-size: 16px;
            margin-bottom: 12px;
        }
        .testimonial-card p {
            font-size: 14.5px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 20px;
        }
        .client-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
            font-size: 13px;
        }
        .client-org {
            font-weight: 700;
            color: var(--text-main);
        }
        .client-scene {
            color: var(--text-light);
        }

        /* 模块九：差异化技术方案对比表格 */
        .comparison-section {
            background-color: #FFFFFF;
        }
        .table-responsive {
            overflow-x: auto;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: #FFFFFF;
        }
        .comp-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }
        .comp-table th, .comp-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-color);
            font-size: 14.5px;
        }
        .comp-table th {
            background-color: var(--bg-base);
            font-weight: 700;
            color: var(--text-main);
        }
        .comp-table tr:last-child td {
            border-bottom: none;
        }
        .highlight-col {
            background-color: rgba(15, 81, 50, 0.03);
            color: var(--primary);
            font-weight: 600;
        }

        /* 模块十：经典棋牌游戏开发行业资讯 */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .insight-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: transform 0.25s ease;
        }
        .insight-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .insight-img-box {
            height: 170px;
            background-color: #E2E8F0;
        }
        .insight-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .insight-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .insight-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .insight-body h3 {
            font-size: 17px;
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .insight-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            flex-grow: 1;
        }
        .insight-link {
            font-size: 14px;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 模块十一：异议拆解 FAQ 手风琴 */
        .faq-section {
            background-color: #FFFFFF;
        }
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            background: var(--bg-base);
            overflow: hidden;
        }
        .faq-summary {
            padding: 20px 24px;
            font-size: 16.5px;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-summary::-webkit-details-marker {
            display: none;
        }
        .faq-summary::after {
            content: "+";
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.2s ease;
        }
        details[open] .faq-summary::after {
            content: "−";
        }
        .faq-content {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid rgba(0,0,0,0.04);
            padding-top: 16px;
        }

        /* 模块十二：合规安全与技术保障长条 */
        .guarantee-bar-section {
            background-color: #EDF2F7;
            padding: 48px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .guarantee-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .guarantee-badge {
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }
        .guarantee-info h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .guarantee-info p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.45;
        }

        /* 模块十三：全案定制咨询与需求预约转化区 */
        .inquiry-section {
            background-color: var(--bg-base);
        }
        .inquiry-wrapper {
            max-width: 860px;
            margin: 0 auto;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 48px;
            box-shadow: var(--shadow-lg);
        }
        .inquiry-form {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .form-group-full {
            grid-column: span 2;
        }
        .form-label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            font-size: 14.5px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            outline: none;
            transition: border-color 0.2s ease;
        }
        .form-control:focus {
            border-color: var(--primary);
        }
        .checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 8px;
        }
        .checkbox-label {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            color: var(--text-muted);
            cursor: pointer;
        }
        .inquiry-submit-btn {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
        }

        /* 全局页脚 */
        .main-footer {
            background-color: var(--bg-dark);
            color: #94A3B8;
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand h4 {
            color: #FFFFFF;
            font-size: 20px;
            margin-bottom: 16px;
            font-weight: 800;
        }
        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 20px;
            font-size: 13.5px;
        }
        .footer-col h5 {
            color: #FFFFFF;
            font-size: 15px;
            margin-bottom: 18px;
            font-weight: 700;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
        }

        /* 移动端固定浮动转化条 */
        .mobile-fixed-bar {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: #FFFFFF;
            padding: 10px 16px;
            box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
            z-index: 99;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }

        /* 响应式断点处理 */
        @media (max-width: 1024px) {
            .hero-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .overview-grid, .features-grid, .products-grid, .product-stack-grid, .testimonials-grid, .insights-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-container, .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-utility-bar {
                display: none;
            }
            .nav-menu {
                display: none;
            }
            .hero-section {
                padding: 60px 0;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .overview-grid, .features-grid, .product-stack-grid, .testimonials-grid, .insights-grid, .timeline-container, .guarantee-grid {
                grid-template-columns: 1fr;
            }
            .showcase-layout {
                grid-template-columns: 1fr;
            }
            .inquiry-form {
                grid-template-columns: 1fr;
            }
            .form-group-full {
                grid-column: span 1;
            }
            .inquiry-wrapper {
                padding: 24px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .mobile-fixed-bar {
                display: grid;
            }
            body {
                padding-bottom: 60px;
            }
        }