/* roulang page: index */
:root {
            --primary-dark: #0E4A45;
            --primary-hover: #08332F;
            --accent-green: #00D084;
            --accent-orange: #FF6B35;
            --bg-light: #F4F7F6;
            --bg-white: #FFFFFF;
            --bg-dark: #11181C;
            --bg-dark-card: #1B242A;
            --text-main: #1A2421;
            --text-muted: #5A6864;
            --text-light: #F4F7F6;
            --border-color: rgba(14, 74, 69, 0.1);
            --border-dark: rgba(255, 255, 255, 0.08);
            --card-radius: 14px;
            --btn-radius: 8px;
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px rgba(14, 74, 69, 0.08);
            --shadow-lg: 0 16px 36px rgba(14, 74, 69, 0.14);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        /* 基础重置与排版规范 */
        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-light);
            line-height: 1.75;
            letter-spacing: 0.02em;
            overflow-x: hidden;
            padding-bottom: 72px; /* 适配移动端底部Tab */
        }
        @media (min-width: 769px) { body { padding-bottom: 0; } }

        h1, h2, h3, h4, h5 {
            font-family: inherit;
            color: var(--text-main);
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 0.75rem;
        }
        p { margin-bottom: 1.25rem; color: var(--text-muted); }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-orange); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--card-radius); }

        /* 通用容器与栅格补足 */
        .site-container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .section-padding { padding: 5rem 0; }
        .section-title-wrap {
            margin-bottom: 3.5rem;
            position: relative;
        }
        .section-badge {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--primary-dark);
            background: rgba(14, 74, 69, 0.08);
            padding: 0.25rem 0.85rem;
            border-radius: 30px;
            margin-bottom: 0.75rem;
            text-transform: uppercase;
        }
        .section-badge.badge-accent {
            color: #0E4A45;
            background: var(--accent-green);
        }
        .section-title {
            font-size: clamp(1.6rem, 2.5vw, 2.2rem);
            position: relative;
            display: inline-block;
        }
        .section-title::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -8px;
            width: 48px;
            height: 4px;
            background: var(--accent-green);
            border-radius: 2px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 760px;
            margin-top: 1rem;
            line-height: 1.8;
        }

        /* 顶部双行导航 (Desktop) */
        .top-service-bar {
            background-color: var(--primary-dark);
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.85rem;
            height: 38px;
            display: flex;
            align-items: center;
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .top-bar-links a { color: rgba(255, 255, 255, 0.85); margin-left: 1.5rem; font-size: 0.8rem; }
        .top-bar-links a:hover { color: var(--accent-green); }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .main-nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary-dark);
        }
        .brand-logo i {
            color: var(--accent-green);
            font-size: 1.6rem;
            background: var(--primary-dark);
            padding: 8px;
            border-radius: 8px;
        }
        .desktop-nav-menu {
            display: flex;
            list-style: none;
            margin: 0;
            gap: 2rem;
            align-items: center;
        }
        .desktop-nav-menu a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-main);
            position: relative;
            padding: 6px 0;
        }
        .desktop-nav-menu a:hover,
        .desktop-nav-menu a.active {
            color: var(--primary-dark);
        }
        .desktop-nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-dark);
            transition: width 0.3s;
        }
        .desktop-nav-menu a:hover::after,
        .desktop-nav-menu a.active::after {
            width: 100%;
        }

        /* 基础按钮组件 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 0.75rem 1.6rem;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--btn-radius);
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary {
            background-color: var(--accent-orange);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
        }
        .btn-primary:hover {
            background-color: #E65A26;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
        }
        .btn-teal {
            background-color: var(--primary-dark);
            color: #FFFFFF;
        }
        .btn-teal:hover {
            background-color: var(--primary-hover);
            color: var(--accent-green);
            transform: translateY(-2px);
        }
        .btn-outline {
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
        }

        /* 移动端底部Tab导航 */
        .mobile-bottom-nav {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            border-top: 1px solid rgba(14, 74, 69, 0.12);
            z-index: 9999;
            box-shadow: 0 -4px 16px rgba(0,0,0,0.06);
        }
        .mobile-bottom-tabs {
            display: flex;
            height: 100%;
            justify-content: space-around;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .mobile-bottom-tabs li { flex: 1; text-align: center; }
        .mobile-bottom-tabs a {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-size: 0.72rem;
            color: var(--text-muted);
            font-weight: 600;
            gap: 3px;
        }
        .mobile-bottom-tabs a i { font-size: 1.15rem; }
        .mobile-bottom-tabs a.active, .mobile-bottom-tabs a:hover {
            color: var(--primary-dark);
        }

        @media (max-width: 768px) {
            .top-service-bar { display: none; }
            .desktop-nav-menu, .header-cta-btn { display: none; }
            .mobile-bottom-nav { display: block; }
        }

        /* 1. 首屏新品发布与倒计时环 (Hero Banner) */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(14, 74, 69, 0.94) 0%, rgba(17, 24, 28, 0.96) 100%), url('/assets/images/d80d02f82b3edecb.jpg') center/cover no-repeat;
            color: #FFFFFF;
            padding: 5.5rem 0 6rem 0;
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 3rem;
            align-items: center;
        }
        .hero-title-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 208, 132, 0.15);
            color: var(--accent-green);
            padding: 0.35rem 1rem;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
            border: 1px solid rgba(0, 208, 132, 0.3);
        }
        .hero-h1 {
            color: #FFFFFF;
            font-size: clamp(2rem, 3.8vw, 3.1rem);
            margin-bottom: 1.25rem;
            line-height: 1.25;
        }
        .hero-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            line-height: 1.85;
            margin-bottom: 2rem;
        }
        .hero-action-box {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            align-items: center;
        }
        /* 倒计时与预约展示卡 */
        .countdown-stage-card {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--card-radius);
            padding: 2.25rem 2rem;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            text-align: center;
        }
        .countdown-stage-card h3 { color: #FFFFFF; font-size: 1.35rem; margin-bottom: 0.5rem; }
        .countdown-subtext { color: rgba(255, 255, 255, 0.7); font-size: 0.88rem; margin-bottom: 1.5rem; }
        .countdown-rings {
            display: flex;
            justify-content: center;
            gap: 1rem;
            margin-bottom: 1.75rem;
        }
        .ring-item {
            width: 72px;
            height: 78px;
            background: rgba(0, 208, 132, 0.08);
            border: 2px solid var(--accent-green);
            border-radius: 12px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }
        .ring-num { font-size: 1.7rem; font-weight: 800; color: #FFFFFF; line-height: 1; }
        .ring-lbl { font-size: 0.75rem; color: var(--accent-green); margin-top: 4px; }
        .stage-feature-list {
            text-align: left;
            list-style: none;
            margin: 0 0 1.5rem 0;
            padding: 0;
        }
        .stage-feature-list li {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0.6rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .stage-feature-list i { color: var(--accent-green); }

        /* 2. 物联网核心指标看板 */
        .kpi-section {
            background: #FFFFFF;
            padding: 3.5rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .kpi-card {
            padding: 1.5rem;
            border-radius: var(--card-radius);
            background: var(--bg-light);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .kpi-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-dark);
        }
        .kpi-number-wrap {
            display: flex;
            align-items: baseline;
            gap: 4px;
            margin-bottom: 0.4rem;
        }
        .kpi-num {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary-dark);
            font-family: Consolas, monospace, sans-serif;
        }
        .kpi-unit { font-size: 1.1rem; font-weight: 700; color: var(--accent-orange); }
        .kpi-trend {
            font-size: 0.82rem;
            color: var(--primary-dark);
            font-weight: 700;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: rgba(0, 208, 132, 0.2);
            padding: 2px 8px;
            border-radius: 4px;
            margin-left: 8px;
        }
        .kpi-title { font-size: 1rem; font-weight: 700; color: var(--text-main); margin-bottom: 0.25rem; }
        .kpi-desc { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

        /* 3. 智慧体育全场景服务矩阵 */
        .matrix-section { background: var(--bg-light); }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .matrix-card {
            background: #FFFFFF;
            border-radius: var(--card-radius);
            padding: 2.25rem 1.75rem;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .matrix-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(14, 74, 69, 0.25);
        }
        .matrix-icon-box {
            width: 58px;
            height: 58px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(14, 74, 69, 0.1) 0%, rgba(0, 208, 132, 0.15) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-dark);
            font-size: 1.6rem;
            margin-bottom: 1.25rem;
        }
        .matrix-card h3 { font-size: 1.25rem; margin-bottom: 0.75rem; }
        .matrix-card p { font-size: 0.92rem; line-height: 1.7; flex-grow: 1; margin-bottom: 1.25rem; }
        .matrix-tag-wrap { display: flex; flex-wrap: wrap; gap: 6px; }
        .matrix-tag {
            font-size: 0.75rem;
            padding: 3px 8px;
            background: var(--bg-light);
            border-radius: 4px;
            color: var(--text-muted);
            border: 1px solid rgba(0,0,0,0.04);
        }

        /* 4. 数字化软硬件产品中心 */
        .hardware-section { background: #FFFFFF; }
        .hardware-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .hardware-card {
            border-radius: var(--card-radius);
            border: 1px solid var(--border-color);
            overflow: hidden;
            background: #FFFFFF;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .hardware-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .hardware-img-wrap {
            height: 220px;
            overflow: hidden;
            position: relative;
            background: #11181C;
        }
        .hardware-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.5s;
        }
        .hardware-card:hover .hardware-img-wrap img {
            transform: scale(1.05);
        }
        .hardware-spec-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--primary-dark);
            color: #FFFFFF;
            font-size: 0.75rem;
            padding: 3px 8px;
            border-radius: 4px;
        }
        .hardware-body {
            padding: 1.75rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .hardware-body h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
        .hardware-body p { font-size: 0.9rem; line-height: 1.65; margin-bottom: 1.25rem; }
        .tech-spec-table {
            list-style: none;
            margin: auto 0 0 0;
            padding: 0.75rem;
            background: var(--bg-light);
            border-radius: 8px;
            font-size: 0.82rem;
        }
        .tech-spec-table li {
            display: flex;
            justify-content: space-between;
            padding: 4px 0;
            border-bottom: 1px dashed rgba(0,0,0,0.06);
        }
        .tech-spec-table li:last-child { border-bottom: none; }
        .spec-label { color: var(--text-muted); }
        .spec-val { font-weight: 600; color: var(--primary-dark); }

        /* 5. 深色环境：数字孪生与算法底座 */
        .twin-engine-section {
            background-color: var(--bg-dark);
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
        }
        .twin-engine-section h2 { color: #FFFFFF; }
        .twin-engine-section p { color: rgba(255, 255, 255, 0.75); }
        .twin-engine-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3.5rem;
            align-items: center;
        }
        .engine-feature-item {
            margin-bottom: 1.75rem;
            padding-left: 1.25rem;
            border-left: 3px solid var(--accent-green);
        }
        .engine-feature-item h4 {
            color: #FFFFFF;
            font-size: 1.15rem;
            margin-bottom: 0.4rem;
        }
        .engine-feature-item p { font-size: 0.92rem; margin: 0; }
        .twin-terminal-box {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--card-radius);
            padding: 2rem;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }
        .terminal-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-bottom: 1px solid var(--border-dark);
            padding-bottom: 1rem;
            margin-bottom: 1.5rem;
        }
        .terminal-dots { display: flex; gap: 6px; }
        .terminal-dot { width: 10px; height: 10px; border-radius: 50%; background: #FF5F56; }
        .terminal-dot:nth-child(2) { background: #FFBD2E; }
        .terminal-dot:nth-child(3) { background: #27C93F; }
        .terminal-title { font-size: 0.85rem; color: rgba(255, 255, 255, 0.6); font-family: monospace; }
        .twin-data-row {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            margin-bottom: 0.85rem;
            padding: 8px 12px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: 6px;
        }
        .twin-data-row span:first-child { color: rgba(255, 255, 255, 0.6); }
        .twin-data-row span:last-child { color: var(--accent-green); font-weight: 700; font-family: monospace; }

        /* 6. 传统模式 VS 智慧体育解决方案 (对比区) */
        .compare-section { background: var(--bg-light); }
        .compare-table-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }
        .compare-col {
            border-radius: var(--card-radius);
            padding: 2.5rem 2rem;
            background: #FFFFFF;
            border: 1px solid var(--border-color);
        }
        .compare-col.legacy-col {
            background: #FDFEFE;
            border-color: rgba(0,0,0,0.08);
        }
        .compare-col.smart-col {
            background: #FFFFFF;
            border: 2px solid var(--primary-dark);
            position: relative;
            box-shadow: var(--shadow-lg);
        }
        .smart-recommend-badge {
            position: absolute;
            top: -14px;
            right: 24px;
            background: var(--accent-orange);
            color: #FFFFFF;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 20px;
        }
        .compare-header {
            margin-bottom: 2rem;
            padding-bottom: 1.25rem;
            border-bottom: 1px solid var(--border-color);
        }
        .compare-list { list-style: none; margin: 0; padding: 0; }
        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 1.25rem;
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .compare-list li i {
            margin-top: 4px;
            font-size: 1.05rem;
            flex-shrink: 0;
        }
        .legacy-col .compare-list li i { color: #A0AEC0; }
        .smart-col .compare-list li i { color: var(--accent-green); }

        /* 7. 重大工程落地用户故事 */
        .story-section { background: #FFFFFF; }
        .story-card-large {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border-radius: var(--card-radius);
            overflow: hidden;
            border: 1px solid var(--border-color);
            background: #FFFFFF;
            box-shadow: var(--shadow-md);
        }
        .story-img-side {
            min-height: 420px;
            position: relative;
        }
        .story-img-side img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }
        .story-content-side {
            padding: 3rem 2.5rem;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .story-meta-badge {
            font-size: 0.8rem;
            color: var(--accent-orange);
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .story-content-side h3 {
            font-size: 1.5rem;
            margin-bottom: 1rem;
            line-height: 1.4;
        }
        .story-metric-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
        }
        .story-metric-box span:first-child {
            display: block;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary-dark);
        }
        .story-metric-box span:last-child {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 8. 生态演进与里程碑发展 */
        .milestone-section { background: var(--bg-light); }
        .timeline-wrapper {
            position: relative;
            padding: 2rem 0;
        }
        .timeline-wrapper::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            background: rgba(14, 74, 69, 0.15);
            transform: translateX(-50%);
        }
        .timeline-item {
            position: relative;
            width: 50%;
            padding: 1.5rem 2.5rem;
            box-sizing: border-box;
        }
        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }
        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }
        .timeline-dot-marker {
            position: absolute;
            top: 2rem;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent-green);
            border: 3px solid var(--primary-dark);
            z-index: 2;
        }
        .timeline-item:nth-child(odd) .timeline-dot-marker { right: -8px; }
        .timeline-item:nth-child(even) .timeline-dot-marker { left: -8px; }
        .timeline-box {
            background: #FFFFFF;
            padding: 1.75rem;
            border-radius: var(--card-radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: inline-block;
            max-width: 480px;
            text-align: left;
        }
        .timeline-badge {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-orange);
            margin-bottom: 0.35rem;
            display: block;
        }
        .timeline-box h4 { font-size: 1.15rem; margin-bottom: 0.5rem; }
        .timeline-box p { font-size: 0.88rem; margin: 0; }

        @media (max-width: 768px) {
            .timeline-wrapper::before { left: 24px; }
            .timeline-item { width: 100%; left: 0 !important; text-align: left !important; padding-left: 60px; padding-right: 15px; }
            .timeline-dot-marker { left: 16px !important; right: auto !important; }
            .timeline-box { width: 100%; max-width: 100%; }
        }

        /* 9. 关键成效量化统计条 */
        .quant-stats-strip {
            background: linear-gradient(135deg, var(--primary-dark) 0%, #082E2B 100%);
            color: #FFFFFF;
            padding: 3.5rem 0;
        }
        .quant-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }
        .quant-item h3 {
            color: #FFFFFF;
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 0.4rem;
            font-family: Consolas, monospace, sans-serif;
        }
        .quant-item p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.95rem;
            margin: 0;
        }

        /* 10. 一线教练员与主管评价 */
        .testimonials-section { background: var(--bg-light); }
        .quote-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .quote-card {
            background: #FFFFFF;
            padding: 2.25rem 2rem;
            border-radius: var(--card-radius);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }
        .quote-stars {
            color: #FFB800;
            margin-bottom: 1rem;
            font-size: 0.95rem;
        }
        .quote-card p {
            font-size: 0.92rem;
            line-height: 1.7;
            flex-grow: 1;
            margin-bottom: 1.5rem;
            font-style: italic;
        }
        .quote-user {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .quote-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary-dark);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .quote-info h5 { margin: 0; font-size: 0.95rem; font-style: normal; }
        .quote-info span { font-size: 0.8rem; color: var(--text-muted); }

        /* 11. 智慧体育行业动态与技术前沿 */
        .news-section { background: #FFFFFF; }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }
        .news-card {
            border-radius: var(--card-radius);
            border: 1px solid var(--border-color);
            background: #FFFFFF;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .news-thumb {
            height: 190px;
            overflow: hidden;
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s;
        }
        .news-card:hover .news-thumb img { transform: scale(1.05); }
        .news-body {
            padding: 1.5rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--accent-orange);
            font-weight: 600;
            margin-bottom: 0.5rem;
        }
        .news-body h4 {
            font-size: 1.1rem;
            margin-bottom: 0.75rem;
            line-height: 1.5;
        }
        .news-body p {
            font-size: 0.88rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* 12. 常见技术与部署答疑 (FAQ) */
        .faq-section { background: var(--bg-light); }
        .faq-accordion-box {
            max-width: 920px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border-radius: 10px;
            border: 1px solid var(--border-color);
            margin-bottom: 1rem;
            overflow: hidden;
        }
        .faq-question {
            padding: 1.35rem 1.75rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--primary-dark);
            transition: background-color 0.2s;
        }
        .faq-question:hover { background-color: rgba(14, 74, 69, 0.03); }
        .faq-question i {
            font-size: 0.9rem;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }
        .faq-answer {
            padding: 0 1.75rem 1.35rem 1.75rem;
            font-size: 0.92rem;
            line-height: 1.75;
            color: var(--text-muted);
            border-top: 1px solid rgba(0,0,0,0.04);
            padding-top: 1rem;
        }

        /* 13. 一体化方案部署咨询预约 (转化表单) */
        .cta-consult-section {
            background: linear-gradient(135deg, #11181C 0%, var(--primary-dark) 100%);
            color: #FFFFFF;
            padding: 5rem 0;
        }
        .cta-consult-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }
        .cta-left h2 { color: #FFFFFF; font-size: 2.1rem; margin-bottom: 1rem; }
        .cta-left p { color: rgba(255, 255, 255, 0.8); font-size: 1rem; line-height: 1.8; margin-bottom: 1.75rem; }
        .cta-guarantee-list { list-style: none; margin: 0; padding: 0; }
        .cta-guarantee-list li {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cta-guarantee-list i { color: var(--accent-green); }
        .cta-form-card {
            background: #FFFFFF;
            padding: 2.5rem 2rem;
            border-radius: var(--card-radius);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
            color: var(--text-main);
        }
        .cta-form-card h4 { font-size: 1.3rem; margin-bottom: 0.5rem; color: var(--primary-dark); }
        .cta-form-card p { font-size: 0.88rem; margin-bottom: 1.5rem; color: var(--text-muted); }
        .form-row-field { margin-bottom: 1.25rem; }
        .form-row-field label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 0.4rem;
            color: var(--text-main);
        }
        .form-input, .form-select {
            width: 100%;
            height: 44px;
            padding: 0 12px;
            border: 1px solid #CBD5E0;
            border-radius: 6px;
            font-size: 0.92rem;
            outline: none;
            transition: border-color 0.2s;
            font-family: inherit;
        }
        .form-input:focus, .form-select:focus {
            border-color: var(--primary-dark);
            box-shadow: 0 0 0 3px rgba(14, 74, 69, 0.1);
        }

        /* 页脚规范与可信背书 */
        .site-footer {
            background: #0B1114;
            color: rgba(255, 255, 255, 0.7);
            padding: 4.5rem 0 2rem 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 0.8fr 1fr 0.8fr;
            gap: 2.5rem;
            margin-bottom: 3.5rem;
        }
        .footer-col h5 {
            color: #FFFFFF;
            font-size: 1.05rem;
            margin-bottom: 1.25rem;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent-green);
        }
        .footer-col p { color: rgba(255, 255, 255, 0.65); font-size: 0.88rem; line-height: 1.7; }
        .footer-links { list-style: none; margin: 0; padding: 0; }
        .footer-links li { margin-bottom: 0.6rem; }
        .footer-links a { color: rgba(255, 255, 255, 0.65); }
        .footer-links a:hover { color: var(--accent-green); }
        .footer-contact-item {
            margin-bottom: 0.75rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact-item i { color: var(--accent-green); }
        .footer-trust-badge {
            background: rgba(255, 255, 255, 0.05);
            padding: 12px;
            border-radius: 8px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 1rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.8);
        }
        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            flex-wrap: wrap;
            gap: 1rem;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .kpi-grid { grid-template-columns: repeat(2, 1fr); }
            .matrix-grid { grid-template-columns: repeat(2, 1fr); }
            .hardware-grid { grid-template-columns: repeat(2, 1fr); }
            .quant-grid { grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
            .quote-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .hero-grid { grid-template-columns: 1fr; gap: 2.5rem; }
            .twin-engine-grid { grid-template-columns: 1fr; }
            .compare-table-grid { grid-template-columns: 1fr; }
            .story-card-large { grid-template-columns: 1fr; }
            .story-img-side { min-height: 260px; }
            .cta-consult-box { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .kpi-grid { grid-template-columns: 1fr; }
            .matrix-grid { grid-template-columns: 1fr; }
            .hardware-grid { grid-template-columns: 1fr; }
        }