/* roulang page: index */
:root {
            --primary: #0A8F6A;
            --primary-dark: #087053;
            --primary-light: #E6F4F0;
            --gradient-accent: linear-gradient(135deg, #0A8F6A 0%, #17A2B8 50%, #20C997 100%);
            --gradient-subtle: linear-gradient(180deg, rgba(10,143,106,0.04) 0%, rgba(248,250,252,0) 100%);
            --dark-bg: #0F172A;
            --dark-card: #1E293B;
            --dark-border: #334155;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --bg-body: #F8FAFC;
            --bg-white: #FFFFFF;
            --border-color: #E2E8F0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-pill: 9999px;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 10px 25px -5px rgba(10, 143, 106, 0.08);
            --shadow-hover: 0 20px 30px -10px rgba(10, 143, 106, 0.16);
            --container-max: 1200px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 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, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

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

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

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 1.25rem;
        }

        .section {
            padding: 5.5rem 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-white);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-dark {
            background-color: var(--dark-bg);
            color: #F8FAFC;
        }

        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 3.5rem auto;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.35rem 1rem;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.875rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }

        .section-dark .section-tag {
            background: rgba(32, 201, 151, 0.15);
            color: #20C997;
        }

        .section-title {
            font-size: clamp(1.85rem, 3.2vw, 2.5rem);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 1rem;
            color: var(--text-main);
        }

        .section-dark .section-title {
            color: #FFFFFF;
        }

        .section-desc {
            font-size: 1.0625rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .section-dark .section-desc {
            color: var(--text-light);
        }

        /* 顶部两行导航 */
        .top-bar {
            height: 38px;
            background-color: #0B132B;
            color: #94A3B8;
            font-size: 0.8125rem;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

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

        .top-bar-links {
            display: flex;
            gap: 1.5rem;
        }

        .top-bar-item {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            transition: var(--transition);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
        }

        .brand-logo i {
            font-size: 1.6rem;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.75rem;
        }

        .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-main);
            position: relative;
            padding: 0.5rem 0;
        }

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

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.75rem 1.75rem;
            font-size: 0.9375rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            cursor: pointer;
            transition: var(--transition);
            border: none;
            min-height: 46px;
        }

        .btn-primary {
            background: var(--gradient-accent);
            color: #FFFFFF;
            box-shadow: 0 4px 15px rgba(10, 143, 106, 0.25);
        }

        .btn-primary:hover {
            box-shadow: 0 8px 25px rgba(10, 143, 106, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-main);
            cursor: pointer;
            padding: 0.5rem;
        }

        /* 1. Hero 板块（5:7 斜向错位构图） */
        .hero-section {
            padding: 4.5rem 0 5.5rem;
            background: radial-gradient(circle at top right, rgba(23, 162, 184, 0.08), transparent 45%),
                        radial-gradient(circle at bottom left, rgba(10, 143, 106, 0.06), transparent 40%),
                        #FFFFFF;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 3.5rem;
            align-items: center;
        }

        .hero-content {
            position: relative;
            z-index: 2;
        }

        .hero-badge-strip {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            background: var(--primary-light);
            border: 1px solid rgba(10, 143, 106, 0.2);
            padding: 0.4rem 1rem;
            border-radius: var(--radius-pill);
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary-dark);
            margin-bottom: 1.5rem;
        }

        .hero-badge-strip span.pulse {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #20C997;
            box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.7);
            animation: pulse-ring 1.8s infinite;
        }

        @keyframes pulse-ring {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(32, 201, 151, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(32, 201, 151, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(32, 201, 151, 0); }
        }

        .hero-title {
            font-size: clamp(2.2rem, 3.8vw, 3.2rem);
            line-height: 1.22;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 1.25rem;
            letter-spacing: -0.03em;
        }

        .hero-title span {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-lead {
            font-size: 1.0625rem;
            color: var(--text-muted);
            line-height: 1.75;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            margin-bottom: 2.75rem;
        }

        .hero-kpis {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
        }

        .kpi-num {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--text-main);
            display: flex;
            align-items: baseline;
            gap: 0.15rem;
        }

        .kpi-num span {
            font-size: 1rem;
            color: var(--primary);
        }

        .kpi-lbl {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        .hero-stage {
            position: relative;
            transform: perspective(1000px) rotateY(-4deg) rotateX(2deg);
            transition: transform 0.5s ease;
        }

        .hero-stage:hover {
            transform: perspective(1000px) rotateY(0deg) rotateX(0deg);
        }

        .hero-visual-card {
            background: var(--bg-white);
            padding: 1rem;
            border-radius: var(--radius-lg);
            box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.18), 0 0 0 1px rgba(226, 232, 240, 0.8);
            position: relative;
            overflow: hidden;
        }

        .hero-visual-card img {
            border-radius: calc(var(--radius-lg) - 6px);
            width: 100%;
            height: 480px;
            object-fit: cover;
        }

        .floating-badge {
            position: absolute;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(10px);
            color: #FFFFFF;
            padding: 0.85rem 1.25rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.15);
            box-shadow: var(--shadow-hover);
            display: flex;
            align-items: center;
            gap: 0.75rem;
            animation: float 4s ease-in-out infinite alternate;
        }

        .badge-pos-1 {
            bottom: 2rem;
            left: -1.5rem;
        }

        .badge-pos-2 {
            top: 2.5rem;
            right: -1rem;
            animation-delay: -2s;
        }

        @keyframes float {
            0% { transform: translateY(0); }
            100% { transform: translateY(-10px); }
        }

        /* 2. 传统导览痛点区 */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .pain-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.25rem 2rem;
            position: relative;
            transition: var(--transition);
        }

        .pain-card:hover {
            border-color: #F87171;
            box-shadow: 0 12px 24px -8px rgba(239, 68, 68, 0.12);
            transform: translateY(-4px);
        }

        .pain-icon-wrapper {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: #FEF2F2;
            color: #EF4444;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 1.25rem;
        }

        .pain-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-main);
        }

        .pain-card p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 3. 系统架构与产线能力介绍 */
        .overview-split {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 4rem;
            align-items: center;
        }

        .overview-image-box {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .overview-image-box img {
            width: 100%;
            height: 440px;
            object-fit: cover;
        }

        .spec-stamp {
            position: absolute;
            bottom: 1.5rem;
            right: 1.5rem;
            background: rgba(10, 143, 106, 0.95);
            color: #FFFFFF;
            padding: 1rem 1.4rem;
            border-radius: var(--radius-md);
            backdrop-filter: blur(8px);
            font-size: 0.875rem;
        }

        .overview-list {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
            margin-top: 1.75rem;
        }

        .overview-item {
            display: flex;
            gap: 1rem;
        }

        .overview-item i {
            color: var(--primary);
            font-size: 1.25rem;
            margin-top: 0.25rem;
            flex-shrink: 0;
        }

        .overview-item h4 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.35rem;
        }

        .overview-item p {
            font-size: 0.9375rem;
            color: var(--text-muted);
        }

        /* 4. 核心优势矩阵 (6 卡片) */
        .grid-6-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .advantage-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2.25rem 2rem;
            border: 1px solid var(--border-color);
            position: relative;
            overflow: hidden;
            transition: var(--transition);
        }

        .advantage-card::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: var(--gradient-accent);
            opacity: 0;
            transition: var(--transition);
        }

        .advantage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(10, 143, 106, 0.3);
        }

        .advantage-card:hover::before {
            opacity: 1;
        }

        .card-icon {
            width: 54px;
            height: 54px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 1.5rem;
        }

        .advantage-card h3 {
            font-size: 1.1875rem;
            font-weight: 700;
            margin-bottom: 0.85rem;
            color: var(--text-main);
        }

        .advantage-card p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 5. 标杆产品与落地场景 (3 深度横向卡片) */
        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .solution-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .solution-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .solution-img-wrap {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .solution-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .solution-card:hover .solution-img-wrap img {
            transform: scale(1.06);
        }

        .solution-tag-float {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(15, 23, 42, 0.85);
            color: #FFFFFF;
            padding: 0.25rem 0.85rem;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
        }

        .solution-body {
            padding: 2rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .solution-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: var(--text-main);
        }

        .solution-body p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 1.5rem;
        }

        .solution-meta-chips {
            margin-top: auto;
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            padding-top: 1.25rem;
            border-top: 1px solid var(--border-color);
        }

        .chip {
            background: var(--bg-body);
            color: var(--text-main);
            font-size: 0.8125rem;
            padding: 0.25rem 0.65rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
        }

        /* 6. 深色底核心技术底座 */
        .tech-flow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            margin-top: 2rem;
        }

        .tech-box {
            background: var(--dark-card);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-lg);
            padding: 2.25rem 1.75rem;
            position: relative;
            transition: var(--transition);
        }

        .tech-box:hover {
            border-color: #20C997;
            transform: translateY(-4px);
        }

        .tech-step-idx {
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(32, 201, 151, 0.15);
            line-height: 1;
            margin-bottom: 1rem;
        }

        .tech-box h3 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
            color: #FFFFFF;
        }

        .tech-box p {
            font-size: 0.875rem;
            color: var(--text-light);
            line-height: 1.65;
        }

        /* 7. 典型动线故事与交互闭环 */
        .story-container {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
        }

        .story-timeline {
            position: relative;
            padding-left: 2rem;
        }

        .story-timeline::before {
            content: '';
            position: absolute;
            left: 7px;
            top: 10px;
            bottom: 10px;
            width: 2px;
            background: var(--border-color);
        }

        .timeline-step {
            position: relative;
            margin-bottom: 2rem;
        }

        .timeline-step:last-child {
            margin-bottom: 0;
        }

        .timeline-marker {
            position: absolute;
            left: -2rem;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 3px solid var(--primary);
        }

        .timeline-content h4 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 0.35rem;
        }

        .timeline-content p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .story-visual-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

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

        /* 8. 关键运行数据指标条 */
        .metrics-banner {
            background: linear-gradient(135deg, #0F172A 0%, #064E3B 100%);
            border-radius: var(--radius-lg);
            padding: 3.5rem 2.5rem;
            box-shadow: var(--shadow-md);
            color: #FFFFFF;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2rem;
            text-align: center;
        }

        .metric-cell {
            padding: 1rem;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .metric-cell:last-child {
            border-right: none;
        }

        .metric-val {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(180deg, #FFFFFF 0%, #A7F3D0 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 0.5rem;
        }

        .metric-title {
            font-size: 1rem;
            font-weight: 600;
            color: #E2E8F0;
            margin-bottom: 0.25rem;
        }

        .metric-desc {
            font-size: 0.8125rem;
            color: #94A3B8;
        }

        /* 9. 双重视角真实评价 */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .review-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 2.25rem;
            border: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
        }

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

        .review-quote {
            font-size: 0.9375rem;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 1.75rem;
            position: relative;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding-top: 1.25rem;
            border-top: 1px solid var(--border-color);
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9375rem;
        }

        .author-meta h5 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .author-meta span {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        /* 10. 行业动态与技术演化摘要 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .news-thumb {
            height: 200px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-content {
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .news-meta-date {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 0.5rem;
        }

        .news-content h3 {
            font-size: 1.125rem;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 0.75rem;
        }

        .news-content p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1.25rem;
        }

        .news-inline-btn {
            margin-top: auto;
            color: var(--primary);
            font-weight: 600;
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .news-inline-btn:hover {
            color: var(--primary-dark);
            gap: 0.6rem;
        }

        /* 11. FAQ 手风琴 */
        .faq-accordion-box {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .faq-trigger {
            width: 100%;
            padding: 1.25rem 1.75rem;
            text-align: left;
            background: none;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.0625rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
        }

        .faq-trigger i {
            font-size: 0.9375rem;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-trigger i {
            transform: rotate(180deg);
        }

        .faq-panel {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            background: #FAFCFB;
        }

        .faq-item.active .faq-panel {
            max-height: 250px;
            padding: 0 1.75rem 1.5rem 1.75rem;
        }

        .faq-panel p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 12. 商业咨询接入表单与底部收口 */
        .cta-box-wrapper {
            background: linear-gradient(135deg, #064E3B 0%, #0F172A 100%);
            border-radius: var(--radius-lg);
            padding: 4rem 3rem;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3.5rem;
            align-items: center;
            box-shadow: var(--shadow-hover);
        }

        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 1.25rem;
        }

        .cta-content p {
            color: #CBD5E1;
            font-size: 1.0625rem;
            line-height: 1.7;
            margin-bottom: 2rem;
        }

        .cta-perks {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
        }

        .cta-perk-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.9375rem;
            color: #E2E8F0;
        }

        .cta-perk-item i {
            color: #20C997;
        }

        .cta-form {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 2.5rem;
            border-radius: var(--radius-md);
        }

        .form-group {
            margin-bottom: 1.25rem;
        }

        .form-label {
            display: block;
            font-size: 0.875rem;
            font-weight: 500;
            color: #E2E8F0;
            margin-bottom: 0.4rem;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            background: rgba(255, 255, 255, 0.95);
            border: 1px solid #CBD5E1;
            border-radius: var(--radius-sm);
            font-size: 0.9375rem;
            color: var(--text-main);
            outline: none;
            transition: var(--transition);
        }

        .form-control:focus {
            border-color: #20C997;
            box-shadow: 0 0 0 3px rgba(32, 201, 151, 0.25);
        }

        /* 统一页脚 */
        .site-footer {
            background: #0B132B;
            color: #94A3B8;
            padding: 5rem 0 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9375rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 3.5rem;
            margin-bottom: 4rem;
        }

        .footer-brand h4 {
            font-size: 1.35rem;
            color: #FFFFFF;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 0.6rem;
            margin-bottom: 1.25rem;
        }

        .footer-brand p {
            line-height: 1.7;
            color: #94A3B8;
            margin-bottom: 1.5rem;
            font-size: 0.875rem;
        }

        .footer-col h5 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 1.25rem;
        }

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .footer-links a {
            color: #94A3B8;
            font-size: 0.875rem;
        }

        .footer-links a:hover {
            color: #20C997;
            padding-left: 4px;
        }

        .footer-contact-info {
            display: flex;
            flex-direction: column;
            gap: 0.85rem;
            font-size: 0.875rem;
        }

        .footer-contact-info li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
        }

        .footer-contact-info i {
            color: #20C997;
            margin-top: 0.25rem;
        }

        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8125rem;
            color: #64748B;
        }

        .footer-bottom a {
            color: #64748B;
        }

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

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            .hero-stage {
                transform: none;
            }
            .grid-6-cards, .solution-grid, .pain-grid, .review-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .tech-flow-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-cell:nth-child(2) {
                border-right: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .cta-box-wrapper {
                grid-template-columns: 1fr;
                gap: 2.5rem;
                padding: 3rem 2rem;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-menu {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 2rem 1.5rem;
                gap: 1.25rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: var(--shadow-hover);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-toggle {
                display: block;
            }
            .nav-actions {
                display: none;
            }
            .overview-split, .story-container {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .grid-6-cards, .solution-grid, .pain-grid, .review-grid, .news-grid, .tech-flow-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-cell {
                border-right: none;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                padding: 1.25rem 0;
            }
            .metric-cell:last-child {
                border-bottom: none;
            }
            .hero-kpis {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 1rem;
                text-align: center;
            }
            .badge-pos-1, .badge-pos-2 {
                position: static;
                margin-top: 1rem;
                animation: none;
            }
        }