/* roulang page: index */
:root {
            --slate-900: #0f172a;
            --slate-800: #1e293b;
            --slate-700: #334155;
            --slate-600: #475569;
            --slate-400: #94a3b8;
            --slate-100: #f1f5f9;
            --slate-50: #f8fafc;
            --court-orange: #ea580c;
            --court-orange-light: #f97316;
            --brand-green: #10b981;
            --brand-emerald: #059669;
            --border-color: #e2e8f0;
            --card-radius: 18px;
            --transition-smooth: all 0.28s cubic-bezier(0.4, 0, 0.2, 1);
            --shadow-subtle: 0 10px 25px -5px rgba(15, 23, 42, 0.06);
            --shadow-card: 0 20px 30px -10px rgba(15, 23, 42, 0.08);
            --shadow-orange: 0 12px 24px -6px rgba(234, 88, 12, 0.25);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: #ffffff;
            color: var(--slate-800);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            width: 100%;
        }

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

        a {
            text-decoration: none;
            color: inherit;
        }

        button, input, select, textarea {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 徽章 Badge 规范 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 13px;
            font-weight: 600;
            line-height: 1.4;
            letter-spacing: 0.02em;
        }
        .badge-orange {
            background-color: rgba(234, 88, 12, 0.12);
            color: var(--court-orange);
            border: 1px solid rgba(234, 88, 12, 0.24);
        }
        .badge-green {
            background-color: rgba(16, 185, 129, 0.12);
            color: var(--brand-emerald);
            border: 1px solid rgba(16, 185, 129, 0.24);
        }
        .badge-dark {
            background-color: var(--slate-800);
            color: #ffffff;
            border: 1px solid var(--slate-700);
        }

        /* 顶部通栏导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition-smooth);
        }

        .top-info-bar {
            background: var(--slate-900);
            color: var(--slate-400);
            font-size: 12px;
            padding: 6px 0;
        }
        .top-info-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-info-flex span strong {
            color: #fff;
        }

        .main-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--slate-900);
            letter-spacing: -0.02em;
        }
        .logo-symbol {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--court-orange), var(--court-orange-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            box-shadow: 0 4px 10px rgba(234, 88, 12, 0.3);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 28px;
            align-items: center;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--slate-700);
            transition: var(--transition-smooth);
        }
        .nav-links a:hover {
            color: var(--court-orange);
        }

        .nav-cta-btn {
            background: linear-gradient(135deg, var(--court-orange), #f97316);
            color: #ffffff !important;
            padding: 10px 22px;
            border-radius: 9999px;
            font-size: 14px;
            font-weight: 600;
            box-shadow: var(--shadow-orange);
            transition: var(--transition-smooth);
            border: none;
            cursor: pointer;
            display: inline-block;
        }
        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 28px -6px rgba(234, 88, 12, 0.35);
        }

        /* 移动端汉堡按钮 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--slate-900);
            margin: 5px 0;
            transition: 0.3s;
        }

        /* 通用 Section 规范 */
        section {
            padding: 96px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 800px;
            margin: 0 auto 56px auto;
        }
        .section-header h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--slate-900);
            margin-top: 12px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .section-header p {
            font-size: 16px;
            color: var(--slate-600);
            line-height: 1.7;
        }

        /* 1. 首屏全宽交互 Banner 轮播区 (蓝图融合短视频竖屏感主视觉) */
        .hero-section {
            padding: 60px 0 90px 0;
            background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 46px;
            font-weight: 900;
            line-height: 1.22;
            color: var(--slate-900);
            margin: 18px 0;
            letter-spacing: -0.03em;
        }
        .hero-content h1 .text-highlight {
            background: linear-gradient(135deg, var(--court-orange) 0%, #f97316 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 17px;
            color: var(--slate-600);
            line-height: 1.75;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 40px;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--court-orange), #f97316);
            color: #ffffff;
            padding: 14px 30px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 700;
            box-shadow: var(--shadow-orange);
            transition: var(--transition-smooth);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 18px 30px -6px rgba(234, 88, 12, 0.4);
        }
        .btn-secondary {
            background: #ffffff;
            color: var(--slate-800);
            padding: 14px 28px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 600;
            border: 1px solid var(--border-color);
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-subtle);
        }
        .btn-secondary:hover {
            background: var(--slate-50);
            border-color: var(--slate-400);
        }
        .hero-badges-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        /* 竖屏视频感主视觉框架 */
        .hero-vertical-stage {
            position: relative;
            max-width: 400px;
            margin: 0 auto;
            border-radius: 36px;
            padding: 10px;
            background: linear-gradient(145deg, #1e293b, #0f172a);
            box-shadow: 0 25px 60px -15px rgba(15, 23, 42, 0.35);
        }
        .stage-inner-card {
            border-radius: 28px;
            overflow: hidden;
            position: relative;
            background: #000;
            aspect-ratio: 9/16;
        }
        .stage-inner-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.9;
        }
        .stage-live-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .live-dot {
            width: 8px;
            height: 8px;
            background: #ef4444;
            border-radius: 50%;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.4; }
        }
        .floating-stat-card {
            position: absolute;
            bottom: 24px;
            left: 16px;
            right: 16px;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-radius: 20px;
            padding: 18px;
            box-shadow: var(--shadow-card);
        }
        .stat-card-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 8px;
        }
        .stat-val-large {
            font-size: 26px;
            font-weight: 800;
            color: var(--slate-900);
        }
        .stat-progress {
            width: 100%;
            height: 6px;
            background: var(--slate-100);
            border-radius: 3px;
            overflow: hidden;
            margin-top: 6px;
        }
        .stat-progress-bar {
            height: 100%;
            width: 82%;
            background: linear-gradient(90deg, var(--court-orange), #f97316);
            border-radius: 3px;
        }

        /* 2. 运动员指标看板模块 */
        .metrics-section {
            background-color: #ffffff;
            padding: 40px 0 90px 0;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-card {
            background: var(--slate-50);
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 24px;
            transition: var(--transition-smooth);
            position: relative;
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: rgba(234, 88, 12, 0.3);
        }
        .metric-top {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 16px;
        }
        .metric-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--slate-600);
        }
        .metric-val {
            font-size: 32px;
            font-weight: 800;
            color: var(--slate-900);
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .metric-trend {
            font-size: 13px;
            display: flex;
            align-items: center;
            gap: 4px;
            font-weight: 600;
        }
        .trend-up { color: var(--brand-emerald); }
        .trend-warn { color: var(--court-orange); }

        /* 3. 篮球体能管理平台服务矩阵 (6卡片) */
        .matrix-section {
            background: var(--slate-50);
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .matrix-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 32px;
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .matrix-card:hover {
            transform: translateY(-6px);
            border-color: var(--court-orange);
            box-shadow: var(--shadow-card);
        }
        .matrix-icon-box {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(234, 88, 12, 0.08);
            color: var(--court-orange);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: bold;
            margin-bottom: 20px;
        }
        .matrix-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--slate-900);
            margin-bottom: 12px;
        }
        .matrix-card p {
            font-size: 14.5px;
            color: var(--slate-600);
            line-height: 1.65;
            margin-bottom: 20px;
        }
        .matrix-features {
            list-style: none;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }
        .matrix-features li {
            font-size: 13px;
            color: var(--slate-700);
            padding: 5px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .matrix-features li::before {
            content: "✓";
            color: var(--brand-emerald);
            font-weight: bold;
        }

        /* 4. 专项硬件与系统套件展示区 (3卡片) */
        .hardware-section {
            background-color: #ffffff;
        }
        .hardware-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .hardware-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }
        .hardware-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: var(--court-orange);
        }
        .hw-img-wrap {
            height: 220px;
            overflow: hidden;
            position: relative;
            background: var(--slate-100);
        }
        .hw-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .hardware-card:hover .hw-img-wrap img {
            transform: scale(1.05);
        }
        .hw-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .hw-spec-tag {
            font-size: 12px;
            color: var(--court-orange);
            font-weight: 700;
            text-transform: uppercase;
            margin-bottom: 8px;
            letter-spacing: 0.05em;
        }
        .hw-body h3 {
            font-size: 21px;
            font-weight: 700;
            color: var(--slate-900);
            margin-bottom: 12px;
        }
        .hw-body p {
            font-size: 14px;
            color: var(--slate-600);
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .hw-footer-meta {
            background: var(--slate-50);
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 13px;
            color: var(--slate-700);
            border: 1px solid var(--border-color);
        }

        /* 5. 运动表现对比与干预结果对比区 */
        .results-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }
        .results-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            background: var(--slate-50);
            border-radius: 24px;
            padding: 48px;
            border: 1px solid var(--border-color);
        }
        .results-col h3 {
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .bar-group {
            margin-bottom: 24px;
        }
        .bar-label-flex {
            display: flex;
            justify-content: space-between;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--slate-700);
        }
        .bar-track {
            height: 12px;
            background: var(--slate-200);
            border-radius: 6px;
            overflow: hidden;
            display: flex;
        }
        .bar-fill-orange {
            height: 100%;
            background: linear-gradient(90deg, #ea580c, #fb923c);
            border-radius: 6px;
        }
        .bar-fill-slate {
            height: 100%;
            background: var(--slate-400);
            border-radius: 6px;
        }

        /* 6. 深色战术理念与数字化保障区 (Dark Canvas) */
        .philosophy-section {
            background: radial-gradient(circle at 80% 20%, #1e293b 0%, #0f172a 100%);
            color: #ffffff;
        }
        .philosophy-section .section-header h2 {
            color: #ffffff;
        }
        .philosophy-section .section-header p {
            color: var(--slate-400);
        }
        .philosophy-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .philosophy-card {
            background: rgba(30, 41, 59, 0.65);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--card-radius);
            padding: 32px;
            backdrop-filter: blur(10px);
            transition: var(--transition-smooth);
        }
        .philosophy-card:hover {
            border-color: var(--court-orange);
            transform: translateY(-4px);
        }
        .philosophy-card h3 {
            font-size: 20px;
            margin-bottom: 14px;
            color: #fff;
        }
        .philosophy-card p {
            font-size: 14.5px;
            color: var(--slate-400);
            line-height: 1.7;
        }

        /* 7. 篮球俱乐部与学院用户故事 (非对称排布) */
        .cases-section {
            background: #ffffff;
        }
        .case-layout {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 48px;
            align-items: center;
            background: var(--slate-50);
            border-radius: 28px;
            padding: 48px;
            border: 1px solid var(--border-color);
        }
        .case-img-holder {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }
        .case-img-holder img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .case-info h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--slate-900);
            margin: 16px 0;
            line-height: 1.3;
        }
        .case-info p {
            font-size: 15px;
            color: var(--slate-600);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .case-metrics-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 24px;
        }
        .case-metric-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            padding: 16px;
            border-radius: 14px;
        }
        .case-metric-item strong {
            display: block;
            font-size: 24px;
            color: var(--court-orange);
            font-weight: 800;
        }
        .case-metric-item span {
            font-size: 13px;
            color: var(--slate-600);
        }

        /* 8. 累计运行里程碑与核心数据统计条 */
        .milestones-strip {
            background: linear-gradient(135deg, #ea580c 0%, #c2410c 100%);
            padding: 60px 0;
            color: #ffffff;
        }
        .milestone-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }
        .milestone-num {
            font-size: 42px;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.1;
            margin-bottom: 8px;
        }
        .milestone-text {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
        }

        /* 9. 行业教练与运动表现专家评价网格 */
        .testimonials-section {
            background: #ffffff;
        }
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .testimonial-card {
            background: var(--slate-50);
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
            border-color: var(--court-orange);
        }
        .stars-row {
            color: #f59e0b;
            font-size: 16px;
            margin-bottom: 16px;
            letter-spacing: 2px;
        }
        .testimonial-text {
            font-size: 15px;
            color: var(--slate-700);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .author-meta {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--slate-800);
            color: #ffffff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 16px;
        }
        .author-details h4 {
            font-size: 16px;
            color: var(--slate-900);
            font-weight: 700;
        }
        .author-details p {
            font-size: 13px;
            color: var(--slate-500);
        }

        /* 10. 篮球运动科学新闻与前沿内嵌区 */
        .news-section {
            background: var(--slate-50);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--card-radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition-smooth);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card);
        }
        .news-card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .news-meta-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 14px;
        }
        .news-date {
            font-size: 13px;
            color: var(--slate-400);
        }
        .news-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--slate-900);
            line-height: 1.4;
            margin-bottom: 12px;
        }
        .news-card p {
            font-size: 14px;
            color: var(--slate-600);
            line-height: 1.65;
            margin-bottom: 20px;
        }
        .news-bottom-action {
            text-align: center;
            margin-top: 48px;
        }

        /* 11. 权威资质与平台合规保障模块 */
        .cert-section {
            background: #ffffff;
            border-top: 1px solid var(--border-color);
        }
        .cert-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .cert-card {
            background: var(--slate-50);
            border: 1px solid var(--border-color);
            border-radius: 16px;
            padding: 24px;
            text-align: center;
            transition: var(--transition-smooth);
        }
        .cert-card:hover {
            border-color: var(--brand-emerald);
            background: #ffffff;
            box-shadow: var(--shadow-subtle);
        }
        .cert-icon {
            font-size: 32px;
            margin-bottom: 14px;
            display: inline-block;
        }
        .cert-card h4 {
            font-size: 16px;
            color: var(--slate-900);
            margin-bottom: 8px;
            font-weight: 700;
        }
        .cert-card p {
            font-size: 13px;
            color: var(--slate-500);
            line-height: 1.5;
        }

        /* 12. 篮球体能管理平台常见疑问 FAQ 手风琴 */
        .faq-section {
            background: var(--slate-50);
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: 14px;
            margin-bottom: 16px;
            overflow: hidden;
            transition: var(--transition-smooth);
        }
        .faq-item.active {
            border-color: var(--court-orange);
            box-shadow: var(--shadow-subtle);
        }
        .faq-question {
            padding: 22px 28px;
            font-size: 17px;
            font-weight: 700;
            color: var(--slate-900);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-icon-arrow {
            font-size: 20px;
            font-weight: 400;
            color: var(--court-orange);
            transition: transform 0.3s ease;
        }
        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 28px 24px 28px;
            font-size: 15px;
            color: var(--slate-600);
            line-height: 1.75;
            display: none;
        }
        .faq-item.active .faq-answer {
            display: block;
        }

        /* 13. 底部行动转化表单区 */
        .cta-section {
            background: #ffffff;
            padding: 90px 0;
        }
        .cta-card {
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
            border-radius: 28px;
            padding: 60px 48px;
            color: #ffffff;
            box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .cta-text h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #ffffff;
        }
        .cta-text p {
            font-size: 16px;
            color: var(--slate-400);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .cta-perks {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cta-perks li {
            font-size: 14px;
            color: #e2e8f0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .cta-perks li::before {
            content: "•";
            color: var(--court-orange);
            font-size: 24px;
            line-height: 0;
        }
        .cta-form-box {
            background: #ffffff;
            border-radius: 20px;
            padding: 36px;
            color: var(--slate-900);
        }
        .cta-form-box h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
            text-align: center;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--slate-700);
            margin-bottom: 6px;
        }
        .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-color);
            border-radius: 10px;
            font-size: 14px;
            background: var(--slate-50);
            transition: var(--transition-smooth);
            outline: none;
        }
        .form-control:focus {
            border-color: var(--court-orange);
            background: #ffffff;
            box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.15);
        }
        .btn-submit {
            width: 100%;
            background: linear-gradient(135deg, var(--court-orange), #f97316);
            color: #ffffff;
            border: none;
            padding: 14px;
            border-radius: 10px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: var(--shadow-orange);
            margin-top: 8px;
        }
        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 16px 28px -6px rgba(234, 88, 12, 0.4);
        }

        /* 统一页脚 Footer */
        .site-footer {
            background: var(--slate-900);
            color: var(--slate-400);
            padding: 72px 0 32px 0;
            border-top: 1px solid var(--slate-800);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 56px;
        }
        .footer-brand h4 {
            color: #ffffff;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .footer-brand p {
            line-height: 1.7;
            font-size: 14px;
        }
        .footer-col h5 {
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            color: var(--slate-400);
            transition: var(--transition-smooth);
        }
        .footer-col ul a:hover {
            color: var(--court-orange);
        }
        .footer-bottom {
            border-top: 1px solid var(--slate-800);
            padding-top: 32px;
            text-align: center;
            font-size: 13px;
            color: var(--slate-400);
            line-height: 1.8;
        }

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-vertical-stage {
                max-width: 340px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .hardware-grid, .philosophy-grid, .testimonials-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cert-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .milestone-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .results-box {
                grid-template-columns: 1fr;
                gap: 32px;
                padding: 32px;
            }
            .case-layout {
                grid-template-columns: 1fr;
                padding: 32px;
            }
            .cta-card {
                grid-template-columns: 1fr;
                padding: 40px 28px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.1);
                display: none;
                gap: 18px;
            }
            .nav-links.active {
                display: flex;
            }
            .top-info-bar {
                display: none;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .matrix-grid, .hardware-grid, .philosophy-grid, .testimonials-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            section {
                padding: 64px 0;
            }
            .metrics-grid, .milestone-grid, .cert-grid {
                grid-template-columns: 1fr;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .case-metrics-row {
                grid-template-columns: 1fr;
            }
        }