/* roulang page: index */
:root {
            --primary: #0F4C81;
            --primary-hover: #0c3d68;
            --primary-dark: #0B192C;
            --accent: #FF6B35;
            --accent-hover: #e55a26;
            --secondary-cyan: #00B4D8;
            --bg-light: #F8FAFC;
            --bg-white: #FFFFFF;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
            --radius-md: 10px;
            --radius-lg: 14px;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -2px rgba(0, 0, 0, 0.05);
            --shadow-hover: 0 20px 25px -5px rgba(15, 76, 129, 0.12), 0 8px 10px -6px rgba(15, 76, 129, 0.08);
            --container-max: 1240px;
            --transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

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

        /* 顶部通栏 */
        .top-bar {
            background-color: var(--primary-dark);
            color: #94A3B8;
            font-size: 0.85rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-bar-info {
            display: flex;
            gap: 24px;
        }

        /* 主导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background-color: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
        }
        .brand-badge-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary), var(--secondary-cyan));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
        }
        .brand-text small {
            display: block;
            font-size: 0.72rem;
            color: var(--text-muted);
            letter-spacing: 0.5px;
            font-weight: 500;
        }
        .main-menu {
            display: flex;
            list-style: none;
            gap: 28px;
            align-items: center;
        }
        .main-menu a {
            color: var(--text-main);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 6px 0;
            position: relative;
        }
        .main-menu a:hover, .main-menu a.active {
            color: var(--primary);
        }
        .main-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .main-menu a:hover::after, .main-menu a.active::after {
            width: 100%;
        }

        /* 统一按钮体系 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 11px 24px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: var(--transition);
            border: 1px solid transparent;
            gap: 8px;
        }
        .btn-primary {
            background-color: var(--primary);
            color: #fff;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(15, 76, 129, 0.25);
        }
        .btn-accent {
            background-color: var(--accent);
            color: #fff;
        }
        .btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3);
        }
        .btn-outline {
            border-color: #CBD5E1;
            background: #fff;
            color: var(--text-main);
        }
        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: #F1F5F9;
        }

        /* 移动端菜单开关 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 6px;
        }

        /* 板块公用排版 */
        .sec-wrap {
            padding: clamp(60px, 7vw, 96px) 0;
        }
        .sec-bg-alt {
            background-color: var(--bg-white);
        }
        .sec-bg-dark {
            background-color: var(--primary-dark);
            color: #E2E8F0;
        }
        .sec-header {
            max-width: 780px;
            margin: 0 auto 52px;
            text-align: center;
        }
        .sec-header.left-aligned {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
        }
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            background: #E8F0FE;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 14px;
        }
        .sec-bg-dark .badge-tag {
            background: rgba(0, 180, 216, 0.15);
            color: var(--secondary-cyan);
        }
        .sec-title {
            font-size: clamp(1.75rem, 3.2vw, 2.35rem);
            color: var(--text-main);
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .sec-bg-dark .sec-title {
            color: #FFFFFF;
        }
        .sec-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }
        .sec-bg-dark .sec-desc {
            color: #94A3B8;
        }

        /* 1. 首屏 Hero 架构 */
        .hero-section {
            background: linear-gradient(rgba(11, 25, 44, 0.88), rgba(15, 76, 129, 0.92)), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            color: #fff;
            padding: clamp(70px, 9vw, 110px) 0;
            position: relative;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }
        .hero-left h1 {
            font-size: clamp(2.2rem, 3.8vw, 3.1rem);
            line-height: 1.25;
            font-weight: 800;
            margin-bottom: 22px;
            color: #FFFFFF;
        }
        .hero-intro {
            font-size: 1.08rem;
            color: #CBD5E1;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 38px;
        }
        .hero-trust-bar {
            display: flex;
            gap: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
        }
        .trust-item strong {
            display: block;
            font-size: 1.25rem;
            color: var(--secondary-cyan);
            font-weight: 700;
        }
        .trust-item span {
            font-size: 0.82rem;
            color: #94A3B8;
        }

        /* 开发者终端代码示意块 (Bento/API Blueprint) */
        .api-terminal-card {
            background: #060D17;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6);
            overflow: hidden;
        }
        .terminal-header {
            background: #111B27;
            padding: 12px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .terminal-dots {
            display: flex;
            gap: 6px;
        }
        .terminal-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .terminal-dot.red { background: #FF5F56; }
        .terminal-dot.yellow { background: #FFBD2E; }
        .terminal-dot.green { background: #27C93F; }
        .terminal-title {
            font-size: 0.8rem;
            color: #94A3B8;
            font-family: monospace;
        }
        .terminal-body {
            padding: 20px;
            font-family: Consolas, Monaco, "Courier New", monospace;
            font-size: 0.88rem;
            line-height: 1.65;
            color: #E2E8F0;
        }
        .code-keyword { color: #F472B6; }
        .code-string { color: #34D399; }
        .code-func { color: #60A5FA; }
        .code-num { color: #FBBF24; }
        .code-comment { color: #64748B; font-style: italic; }

        /* 2. 倒计时与技术发布快讯条 */
        .release-countdown-band {
            background: #0E2238;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0;
            color: #E2E8F0;
        }
        .countdown-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
        }
        .countdown-msg {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 0.95rem;
        }
        .badge-live {
            background: #EF4444;
            color: #fff;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 0.72rem;
            animation: pulse-red 2s infinite;
        }
        @keyframes pulse-red {
            0% { opacity: 1; }
            50% { opacity: 0.4; }
            100% { opacity: 1; }
        }
        .countdown-timer-boxes {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .time-box {
            background: rgba(255, 255, 255, 0.08);
            padding: 6px 12px;
            border-radius: 6px;
            font-family: monospace;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary-cyan);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .time-label {
            font-size: 0.75rem;
            color: #94A3B8;
            margin-left: 2px;
        }

        /* 3. 业务矩阵导引三列卡片 */
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .matrix-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .matrix-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(15, 76, 129, 0.3);
        }
        .matrix-img-box {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .matrix-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .matrix-card:hover .matrix-img-box img {
            transform: scale(1.05);
        }
        .matrix-body {
            padding: 26px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }
        .matrix-body h3 {
            font-size: 1.28rem;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .matrix-body p {
            color: var(--text-muted);
            font-size: 0.94rem;
            line-height: 1.65;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .matrix-specs-list {
            list-style: none;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
            margin-bottom: 18px;
        }
        .matrix-specs-list li {
            font-size: 0.84rem;
            color: #475569;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .matrix-specs-list li::before {
            content: '✓';
            color: #10B981;
            font-weight: 800;
        }

        /* 4. 核心技术优势六宫格 */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }
        .adv-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            padding: 30px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
        }
        .adv-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .adv-icon-badge {
            width: 48px;
            height: 48px;
            border-radius: 10px;
            background: #EFF6FF;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .adv-card h3 {
            font-size: 1.15rem;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .adv-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 5. 热门套件与解决方案大卡 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .sol-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .sol-card:hover {
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }
        .sol-type {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .sol-card h3 {
            font-size: 1.35rem;
            margin-bottom: 14px;
            color: var(--text-main);
        }
        .sol-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
            margin-bottom: 22px;
            flex-grow: 1;
        }
        .sol-tags-box {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 24px;
        }
        .sol-tag {
            background: #F1F5F9;
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 0.78rem;
            color: #475569;
        }

        /* 6. 深色对比：系统架构与底层工程区 */
        .arch-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .arch-feature-list {
            margin-top: 26px;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .arch-feature-item {
            display: flex;
            gap: 16px;
        }
        .arch-num {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: rgba(0, 180, 216, 0.15);
            color: var(--secondary-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .arch-text h4 {
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .arch-text p {
            color: #94A3B8;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .arch-diagram-card {
            background: #111F33;
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px;
        }
        .diagram-node {
            background: rgba(255, 255, 255, 0.04);
            border: 1px dashed rgba(255, 255, 255, 0.2);
            padding: 16px;
            border-radius: 8px;
            margin-bottom: 14px;
            text-align: center;
        }
        .diagram-node.active-tier {
            background: rgba(15, 76, 129, 0.4);
            border-style: solid;
            border-color: var(--secondary-cyan);
        }
        .node-tag {
            font-size: 0.75rem;
            color: var(--secondary-cyan);
            display: block;
            margin-bottom: 4px;
        }
        .node-name {
            font-size: 0.92rem;
            font-weight: 600;
            color: #fff;
        }

        /* 7. 客户成功案例横向双列图文 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 36px;
        }
        .case-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }
        .case-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .case-thumb {
            height: 240px;
            overflow: hidden;
            position: relative;
        }
        .case-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-content {
            padding: 28px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .case-content h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .case-problem {
            background: #F8FAFC;
            padding: 12px 16px;
            border-left: 3px solid var(--accent);
            border-radius: 4px;
            font-size: 0.88rem;
            color: #475569;
            margin-bottom: 16px;
        }
        .case-metrics-bar {
            margin-top: auto;
            display: flex;
            gap: 20px;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .metric-val strong {
            display: block;
            font-size: 1.35rem;
            color: var(--primary);
            font-weight: 800;
        }
        .metric-val span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 8. 运营核心指标条 */
        .stats-strip {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            position: relative;
        }
        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: 0;
            top: 20%;
            height: 60%;
            width: 1px;
            background: var(--border-light);
        }
        .stat-num {
            font-size: clamp(2rem, 3.5vw, 2.75rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* 9. 合作与交付流程（横向4步） */
        .process-flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .process-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 26px 22px;
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .process-step-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: #E2E8F0;
            line-height: 1;
            margin-bottom: 12px;
        }
        .process-card h4 {
            font-size: 1.1rem;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .process-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 10. 客户口碑与技术评价 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .review-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .review-quote {
            font-size: 0.95rem;
            color: #334155;
            line-height: 1.7;
            margin-bottom: 22px;
            position: relative;
        }
        .review-quote::before {
            content: '“';
            font-size: 3rem;
            line-height: 1;
            color: #CBD5E1;
            position: absolute;
            left: -12px;
            top: -18px;
            z-index: 0;
            opacity: 0.4;
        }
        .review-author {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
        }
        .author-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, #0F4C81, #00B4D8);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .author-meta strong {
            display: block;
            font-size: 0.95rem;
            color: var(--text-main);
        }
        .author-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 11. 体育技术资讯卡片 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-cover {
            height: 180px;
            overflow: hidden;
        }
        .news-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-body {
            padding: 22px;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-body h3 {
            font-size: 1.12rem;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.45;
        }
        .news-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .news-link {
            font-size: 0.86rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 12. 生态与硬件对接 Logo 墙 */
        .partners-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
        }
        .partner-box {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
            color: #94A3B8;
            filter: grayscale(100%);
            transition: var(--transition);
        }
        .partner-box:hover {
            filter: grayscale(0);
            color: var(--primary);
            border-color: var(--primary);
        }

        /* 13. FAQ 交互折叠面板 */
        .faq-container {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-trigger {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-trigger:hover {
            color: var(--primary);
        }
        .faq-icon {
            font-size: 1.25rem;
            transition: transform 0.3s;
            color: var(--text-muted);
        }
        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            color: var(--accent);
        }
        .faq-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
            background: #F8FAFC;
        }
        .faq-content-inner {
            padding: 0 24px 20px;
            font-size: 0.93rem;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* 14. 底部行动转化与评估表单 */
        .contact-cta-wrapper {
            background: linear-gradient(135deg, #0F4C81, #0B192C);
            border-radius: var(--radius-lg);
            padding: clamp(36px, 6vw, 60px);
            color: #fff;
            box-shadow: 0 20px 40px -10px rgba(11, 25, 44, 0.4);
        }
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .guarantee-list {
            margin-top: 26px;
            list-style: none;
        }
        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 16px;
            font-size: 0.95rem;
            color: #CBD5E1;
        }
        .guarantee-check {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: rgba(0, 180, 216, 0.2);
            color: var(--secondary-cyan);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .cta-form-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 30px;
            color: var(--text-main);
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-size: 0.88rem;
            font-weight: 600;
            margin-bottom: 6px;
            color: #334155;
        }
        .form-control {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--border-light);
            border-radius: 6px;
            outline: none;
            transition: var(--transition);
        }
        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(15, 76, 129, 0.12);
        }
        textarea.form-control {
            resize: vertical;
            min-height: 80px;
        }

        /* 统一页脚 */
        .site-footer {
            background: #08111D;
            color: #94A3B8;
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1.05rem;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 24px;
            height: 2px;
            background: var(--accent);
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-grid, .arch-layout, .contact-grid {
                grid-template-columns: 1fr;
            }
            .matrix-grid, .solutions-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .partners-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .main-menu {
                position: absolute;
                top: 74px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
                border-bottom: 1px solid var(--border-light);
                display: none;
            }
            .main-menu.show {
                display: flex;
            }
            .header-cta-btn {
                display: none;
            }
            .matrix-grid, .advantages-grid, .solutions-grid, .cases-grid, .reviews-grid, .news-grid, .process-flow-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stat-item:nth-child(2)::after {
                display: none;
            }
            .partners-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }