/* roulang page: index */
:root {
            --primary: #0F3D3E;
            --primary-dark: #092526;
            --primary-light: #1A595A;
            --accent: #00D2A0;
            --accent-hover: #00B388;
            --accent-glow: rgba(0, 210, 160, 0.25);
            --bg-light: #F8FAFC;
            --bg-slate: #EDF2F7;
            --bg-dark: #0B131A;
            --bg-card-dark: #141F29;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-inverse: #F8FAFC;
            --border-light: #E2E8F0;
            --border-dark: #2A3B4C;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-subtle: 0 4px 20px -2px rgba(15, 61, 62, 0.06);
            --shadow-hover: 0 12px 30px -4px rgba(15, 61, 62, 0.12);
            --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.4);
            --container-max: 1240px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
            outline: none;
        }

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

        /* 顶部双行导航体系 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            box-shadow: 0 2px 12px rgba(15, 61, 62, 0.08);
        }

        .top-bar {
            background-color: var(--primary-dark);
            color: #94A3B8;
            font-size: 13px;
            height: 38px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-bar-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-bar-left, .top-bar-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .top-bar i {
            color: var(--accent);
            margin-right: 6px;
        }

        .main-nav-bar {
            height: 74px;
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(8px);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 800;
            font-size: 20px;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .logo-icon-wrap {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 20px;
            box-shadow: 0 4px 10px rgba(15, 61, 62, 0.2);
        }

        .brand-logo .sub-badge {
            font-size: 11px;
            font-weight: 600;
            background: rgba(0, 210, 160, 0.12);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            margin-left: 6px;
            border: 1px solid rgba(0, 210, 160, 0.3);
        }

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

        .nav-link {
            font-weight: 600;
            font-size: 15px;
            color: #334155;
            position: relative;
            padding: 8px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 22px;
            border-radius: 50px;
            box-shadow: 0 4px 14px var(--accent-glow);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(0, 210, 160, 0.4);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--primary);
            cursor: pointer;
        }

        /* 基础按钮与通用排版组件 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: 14px 28px;
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            text-align: center;
        }

        .btn-primary {
            background-color: var(--accent);
            color: var(--primary-dark);
            box-shadow: 0 4px 15px var(--accent-glow);
            font-weight: 700;
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 210, 160, 0.35);
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #ffffff;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(4px);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #ffffff;
            transform: translateY(-2px);
        }

        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 54px;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: rgba(15, 61, 62, 0.08);
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

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

        .section-header p {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        .section-padding {
            padding: 96px 0;
        }

        .bg-white { background-color: #ffffff; }
        .bg-slate { background-color: var(--bg-slate); }
        .bg-dark { background-color: var(--bg-dark); color: var(--text-inverse); }

        /* 板块1：Hero 舞台居中与左右价值点 */
        .hero-section {
            background: radial-gradient(circle at top right, #1A595A 0%, var(--primary-dark) 80%);
            color: #ffffff;
            padding: 80px 0 100px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: url('/assets/images/3e04437509c5547e.jpg') center/cover no-repeat;
            opacity: 0.12;
            pointer-events: none;
        }

        .hero-center-content {
            text-align: center;
            max-width: 900px;
            margin: 0 auto 40px;
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 210, 160, 0.15);
            border: 1px solid rgba(0, 210, 160, 0.4);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 24px;
        }

        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 22px;
        }

        .hero-desc {
            font-size: 18px;
            color: #CBD5E1;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-btn-group {
            display: flex;
            justify-content: center;
            gap: 18px;
            margin-bottom: 50px;
        }

        /* Hero 核心舞台与左右价值翼 */
        .hero-stage-layout {
            display: grid;
            grid-template-columns: 280px 1fr 280px;
            gap: 24px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-val-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            transition: all 0.3s;
        }

        .hero-val-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .hero-val-icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .hero-val-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #ffffff;
        }

        .hero-val-card p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.6;
        }

        .hero-stage-center {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-dark), 0 0 0 1px rgba(255, 255, 255, 0.15);
            background: #000;
        }

        .hero-stage-img {
            width: 100%;
            height: 380px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .hero-stage-center:hover .hero-stage-img {
            transform: scale(1.03);
        }

        .hero-stage-overlay {
            position: absolute;
            bottom: 0; left: 0; right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(11, 19, 26, 0.95), transparent);
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
        }

        .stage-meta h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 4px;
        }

        .stage-meta span {
            font-size: 12px;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .stage-meta span::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 8px var(--accent);
        }

        /* 板块2：资料目录与技术架构规范 */
        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .catalog-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }

        .catalog-item::before {
            content: '';
            position: absolute;
            top: 0; left: 0; width: 4px; height: 100%;
            background: var(--primary);
            transition: width 0.25s;
        }

        .catalog-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 210, 160, 0.4);
        }

        .catalog-item:hover::before {
            width: 6px;
            background: var(--accent);
        }

        .catalog-num {
            font-size: 22px;
            font-weight: 800;
            color: #CBD5E1;
            margin-bottom: 12px;
        }

        .catalog-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .catalog-item p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块3：核心技术优势矩阵 (6卡片) */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            background: #ffffff;
            padding: 36px 30px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s ease;
        }

        .feature-card:hover {
            transform: translateY(-5px);
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon-box {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: rgba(15, 61, 62, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
            margin-bottom: 22px;
            transition: all 0.3s;
        }

        .feature-card:hover .feature-icon-box {
            background: var(--primary);
            color: var(--accent);
        }

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

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

        /* 板块4：热门软硬件集成产品区 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .product-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s;
            display: flex;
            flex-direction: column;
        }

        .product-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 210, 160, 0.5);
        }

        .product-img-box {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .product-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }

        .product-card:hover .product-img-box img {
            transform: scale(1.05);
        }

        .product-badge-tag {
            position: absolute;
            top: 14px; right: 14px;
            background: rgba(15, 61, 62, 0.85);
            backdrop-filter: blur(4px);
            color: var(--accent);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 4px;
        }

        .product-body {
            padding: 26px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .product-body h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .product-body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex-grow: 1;
        }

        .product-specs-list {
            list-style: none;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
            margin-bottom: 20px;
        }

        .product-specs-list li {
            font-size: 13px;
            color: #475569;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 8px;
        }

        .product-specs-list li i {
            color: var(--accent);
            font-size: 12px;
        }

        /* 板块5：场景化业务流程架构 (Z-pattern) */
        .scenario-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            margin-bottom: 70px;
        }

        .scenario-row:last-child {
            margin-bottom: 0;
        }

        .scenario-row.reverse {
            direction: rtl;
        }

        .scenario-row.reverse .scenario-content {
            direction: ltr;
        }

        .scenario-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-hover);
            position: relative;
            max-height: 380px;
        }

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

        .scenario-content h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 18px;
            line-height: 1.35;
        }

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

        .scenario-points {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .scenario-point-item {
            background: #ffffff;
            border-left: 3px solid var(--accent);
            padding: 12px 16px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            box-shadow: var(--shadow-subtle);
        }

        .scenario-point-item strong {
            display: block;
            font-size: 14px;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .scenario-point-item span {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块6：智能硬件与物联网中控演示 */
        .demo-monitor-box {
            background: var(--bg-card-dark);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-dark);
        }

        .monitor-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-dark);
            margin-bottom: 28px;
        }

        .monitor-title-group h4 {
            font-size: 20px;
            color: #ffffff;
            font-weight: 700;
        }

        .monitor-title-group p {
            font-size: 13px;
            color: #94A3B8;
        }

        .monitor-status-pill {
            display: flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 210, 160, 0.12);
            color: var(--accent);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
        }

        .monitor-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 28px;
        }

        .monitor-stat-tile {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.07);
            border-radius: var(--radius-md);
            padding: 20px;
            position: relative;
        }

        .stat-tile-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            font-size: 13px;
            color: #94A3B8;
        }

        .stat-tile-val {
            font-size: 28px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 4px;
        }

        .stat-tile-val small {
            font-size: 14px;
            font-weight: 400;
            color: #94A3B8;
            margin-left: 4px;
        }

        .stat-tile-trend {
            font-size: 12px;
            color: var(--accent);
        }

        .monitor-console-view {
            background: #060B0E;
            border-radius: var(--radius-md);
            padding: 20px;
            font-family: Consolas, Monaco, monospace;
            font-size: 13px;
            color: #38BDF8;
            line-height: 1.8;
            border: 1px solid rgba(255, 255, 255, 0.05);
        }

        .console-line {
            display: flex;
            gap: 12px;
            margin-bottom: 6px;
        }

        .console-line:last-child {
            margin-bottom: 0;
        }

        .console-tag {
            color: var(--accent);
            font-weight: 700;
        }

        .console-text {
            color: #E2E8F0;
        }

        /* 板块7：深色沉浸式经典案例/技术理念区 */
        .dark-concept-container {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }

        .concept-badge {
            display: inline-block;
            color: var(--accent);
            font-weight: 700;
            font-size: 13px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .concept-heading {
            font-size: 36px;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #ffffff;
        }

        .concept-desc {
            font-size: 15px;
            color: #94A3B8;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        .concept-spec-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-bottom: 36px;
        }

        .concept-spec-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-sm);
            padding: 18px;
        }

        .concept-spec-card h4 {
            color: var(--accent);
            font-size: 16px;
            margin-bottom: 6px;
        }

        .concept-spec-card p {
            font-size: 13px;
            color: #CBD5E1;
            line-height: 1.6;
        }

        .concept-visual-frame {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .concept-visual-frame img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        /* 板块8：用户实景落地故事 */
        .story-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .story-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            transition: all 0.3s;
        }

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

        .story-thumb-wrap {
            height: 240px;
            position: relative;
        }

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

        .story-body {
            padding: 30px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .story-meta-row {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .story-meta-row i {
            color: var(--primary);
            margin-right: 4px;
        }

        .story-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .story-quote {
            background: var(--bg-slate);
            border-left: 3px solid var(--accent);
            padding: 14px 16px;
            font-size: 13px;
            color: #334155;
            font-style: italic;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin-top: auto;
        }

        /* 板块9：运营关键数据指标条 */
        .metrics-bar-container {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .metric-block {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 36px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            transition: all 0.3s;
        }

        .metric-block:hover {
            border-color: var(--accent);
            transform: translateY(-4px);
        }

        .metric-num {
            font-size: 44px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 10px;
        }

        .metric-num span {
            color: var(--accent);
            font-size: 32px;
        }

        .metric-label {
            font-size: 16px;
            font-weight: 700;
            color: #1E293B;
            margin-bottom: 6px;
        }

        .metric-sub {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 板块10：标杆客户与运营方评价墙 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 30px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .review-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--accent);
        }

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

        .review-text {
            font-size: 14px;
            color: #475569;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }

        .author-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
        }

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

        /* 板块11：阶梯式部署与服务方案 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .pricing-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-subtle);
            position: relative;
            transition: all 0.3s;
        }

        .pricing-card.featured {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-hover);
            transform: scale(1.02);
            z-index: 2;
        }

        .pricing-badge-popular {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
        }

        .pricing-head h3 {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .pricing-head p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
            min-height: 40px;
        }

        .pricing-capacity {
            font-size: 30px;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-light);
        }

        .pricing-capacity span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-muted);
        }

        .pricing-features-list {
            list-style: none;
            margin-bottom: 32px;
            flex-grow: 1;
        }

        .pricing-features-list li {
            font-size: 14px;
            color: #334155;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pricing-features-list li i {
            color: var(--accent);
            font-size: 14px;
        }

        /* 板块12：智能场馆行业动态与资讯 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .news-item-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 26px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: all 0.3s;
        }

        .news-item-card:hover {
            border-color: rgba(0, 210, 160, 0.4);
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
        }

        .news-tag-bar {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }

        .news-tag {
            background: rgba(15, 61, 62, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
        }

        .news-date {
            font-size: 13px;
            color: #94A3B8;
        }

        .news-item-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-item-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }

        .news-link-btn {
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

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

        /* 板块13：高频业务与部署 FAQ */
        .faq-accordion-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-details-item {
            background: #ffffff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-subtle);
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-details-item[open] {
            border-color: var(--accent);
            box-shadow: var(--shadow-hover);
        }

        .faq-summary-btn {
            padding: 20px 24px;
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-summary-btn::-webkit-details-marker {
            display: none;
        }

        .faq-icon-arrow {
            color: var(--accent);
            font-size: 14px;
            transition: transform 0.3s;
        }

        .faq-details-item[open] .faq-icon-arrow {
            transform: rotate(180deg);
        }

        .faq-body-content {
            padding: 0 24px 22px;
            font-size: 14px;
            color: #475569;
            line-height: 1.8;
            border-top: 1px solid rgba(0, 0, 0, 0.03);
            margin-top: 4px;
            padding-top: 16px;
        }

        /* 板块14：底部强转化 CTA */
        .cta-banner-wrapper {
            background: linear-gradient(135deg, var(--primary-dark), #164E50);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: #ffffff;
            box-shadow: var(--shadow-dark);
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .cta-banner-wrapper::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-left-text h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .cta-left-text p {
            font-size: 15px;
            color: #CBD5E1;
            margin-bottom: 24px;
            line-height: 1.7;
        }

        .cta-perks-row {
            display: flex;
            gap: 20px;
            font-size: 13px;
            color: var(--accent);
            font-weight: 600;
        }

        .cta-form-box {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-md);
            padding: 28px;
        }

        .form-grid {
            display: grid;
            gap: 14px;
        }

        .form-input, .form-select {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(11, 19, 26, 0.6);
            color: #ffffff;
            font-size: 14px;
        }

        .form-input::placeholder {
            color: #94A3B8;
        }

        .form-input:focus, .form-select:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px var(--accent-glow);
        }

        .cta-submit-btn {
            width: 100%;
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 800;
            padding: 14px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 15px;
            margin-top: 4px;
        }

        .cta-submit-btn:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }

        /* 统一页脚 Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #94A3B8;
            padding: 80px 0 30px;
            border-top: 1px solid var(--border-dark);
            font-size: 14px;
        }

        .footer-cols-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 60px;
        }

        .footer-brand h3 {
            font-size: 20px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 20px;
            font-size: 13px;
        }

        .footer-col-title {
            font-size: 16px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 8px;
        }

        .footer-col-title::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
        }

        .footer-links-list {
            list-style: none;
        }

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

        .footer-links-list a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-contact-info li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
            font-size: 13px;
        }

        .footer-contact-info i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-bottom-bar {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 30px;
            text-align: center;
            font-size: 12px;
            color: #64748B;
        }

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

        .footer-bottom-bar a:hover {
            color: var(--accent);
        }

        /* 移动端与响应式适配 */
        @media (max-width: 1024px) {
            .hero-stage-layout {
                grid-template-columns: 1fr;
            }
            .hero-stage-center {
                order: -1;
            }
            .catalog-grid, .features-grid, .products-grid, .reviews-grid, .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .scenario-row {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .scenario-row.reverse {
                direction: ltr;
            }
            .scenario-row.reverse .scenario-content {
                direction: ltr;
            }
            .dark-concept-container, .cta-banner-wrapper {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-cols-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .main-nav-bar {
                height: 64px;
            }
            .menu-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 24px;
                box-shadow: var(--shadow-hover);
                gap: 16px;
            }
            .nav-menu.open {
                display: flex;
            }
            .nav-cta-btn {
                display: none;
            }
            .hero-title {
                font-size: 32px;
            }
            .catalog-grid, .features-grid, .products-grid, .story-grid, .metrics-bar-container, .reviews-grid, .pricing-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .monitor-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-cols-grid {
                grid-template-columns: 1fr;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-header h2 {
                font-size: 26px;
            }
            .cta-banner-wrapper {
                padding: 36px 20px;
            }
        }