/* roulang page: index */
:root {
            --primary: #0A8F68;
            --primary-hover: #087555;
            --primary-light: #E6F5F0;
            --accent: #FF5E1E;
            --accent-hover: #E04E15;
            --dark-bg: #0F172A;
            --dark-surface: #1E293B;
            --dark-border: #334155;
            --light-bg: #F8FAFC;
            --white: #FFFFFF;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-pill: 9999px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-card: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
            --shadow-hover: 0 10px 25px -5px rgba(10, 143, 104, 0.15);
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
            --container-max: 1200px;
        }

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

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

        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--light-bg);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        /* 顶部通栏信息条与导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }

        .top-bar {
            background-color: var(--dark-bg);
            color: #94A3B8;
            font-size: 0.8125rem;
            padding: 0.375rem 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-contact {
            display: flex;
            gap: 1.5rem;
        }

        .top-bar-contact span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--text-heading);
            letter-spacing: -0.02em;
        }

        .brand-logo-badge {
            background: linear-gradient(135deg, var(--primary), #059669);
            color: var(--white);
            padding: 0.25rem 0.625rem;
            border-radius: var(--radius-sm);
            font-size: 0.8125rem;
            font-weight: 700;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            list-style: none;
        }

        .nav-link {
            font-weight: 500;
            font-size: 0.9375rem;
            color: var(--text-heading);
            padding: 0.5rem 0.25rem;
            position: relative;
        }

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

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

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

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background-color: var(--primary);
            color: var(--white);
            padding: 0.5rem 1.25rem;
            border-radius: var(--radius-pill);
            font-weight: 600;
            font-size: 0.875rem;
            box-shadow: 0 4px 12px rgba(10, 143, 104, 0.25);
        }

        .nav-cta-btn:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            color: var(--text-heading);
        }

        /* 基础按钮样式系统 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            padding: 0.875rem 1.875rem;
            font-size: 1rem;
            font-weight: 600;
            border-radius: var(--radius-pill);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
        }

        .btn-primary {
            background-color: var(--primary);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(10, 143, 104, 0.35);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(10, 143, 104, 0.45);
        }

        .btn-accent {
            background-color: var(--accent);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(255, 94, 30, 0.3);
        }

        .btn-accent:hover {
            background-color: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 94, 30, 0.4);
        }

        .btn-outline {
            background-color: var(--white);
            border-color: var(--border-color);
            color: var(--text-heading);
        }

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

        /* 板块通用规范 */
        .section-padding {
            padding: clamp(3.5rem, 5vw, 5.5rem) 0;
        }

        .section-header {
            max-width: 800px;
            margin: 0 auto 3rem;
            text-align: center;
        }

        .section-header.text-left {
            text-align: left;
            margin-inline: 0;
        }

        .badge-pill {
            display: inline-block;
            background-color: var(--primary-light);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 700;
            padding: 0.25rem 0.875rem;
            border-radius: var(--radius-pill);
            margin-bottom: 0.875rem;
            letter-spacing: 0.02em;
        }

        .section-title {
            font-size: clamp(1.625rem, 3vw, 2.25rem);
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.3;
            margin-bottom: 1rem;
        }

        .section-desc {
            font-size: 1.0625rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 01. 首屏 Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(175deg, #F0FDF8 0%, #FFFFFF 60%, var(--light-bg) 100%);
            padding: clamp(3.5rem, 5vw, 6rem) 0 4rem;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 3rem;
            align-items: center;
        }

        .hero-title {
            font-size: clamp(2.125rem, 3.8vw, 3.125rem);
            font-weight: 900;
            color: var(--text-heading);
            line-height: 1.25;
            margin-bottom: 1.25rem;
            letter-spacing: -0.03em;
        }

        .hero-title span {
            color: var(--primary);
            background: linear-gradient(135deg, #0A8F68, #10B981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 1.125rem;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 2rem;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .hero-trust-bar {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .trust-item svg {
            color: var(--primary);
            flex-shrink: 0;
        }

        .hero-visual {
            position: relative;
        }

        .hero-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: 0 20px 40px -10px rgba(15, 23, 42, 0.15);
            border: 1px solid rgba(226, 232, 240, 0.9);
        }

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

        .hero-floating-card {
            position: absolute;
            bottom: -1.25rem;
            left: -1.25rem;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            padding: 1.125rem 1.5rem;
            border-radius: var(--radius-md);
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            display: flex;
            align-items: center;
            gap: 1rem;
        }

        .live-pulse {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(255, 94, 30, 0.2);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 94, 30, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(255, 94, 30, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(255, 94, 30, 0); }
        }

        /* 02. 卖点速览条 (KPI) */
        .highlights-bar-section {
            background-color: var(--white);
            border-bottom: 1px solid var(--border-color);
            padding: 2.5rem 0;
        }

        .highlights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .highlight-box {
            display: flex;
            align-items: flex-start;
            gap: 1.25rem;
            padding: 1.5rem;
            border-radius: var(--radius-md);
            background-color: var(--light-bg);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .highlight-box:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .highlight-icon-box {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.5rem;
        }

        .highlight-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.35rem;
        }

        .highlight-metric {
            display: inline-block;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.875rem;
            background: rgba(10, 143, 104, 0.08);
            padding: 0.125rem 0.5rem;
            border-radius: var(--radius-sm);
            margin-bottom: 0.5rem;
        }

        .highlight-desc {
            font-size: 0.90625rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 03. 体系架构与资质验证 */
        .architecture-section {
            background-color: var(--white);
        }

        .arch-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 3rem;
            align-items: center;
        }

        .arch-specs-list {
            margin-top: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .spec-item {
            display: flex;
            align-items: flex-start;
            gap: 1rem;
            padding: 1rem;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            background-color: var(--light-bg);
        }

        .spec-code-tag {
            background-color: var(--dark-bg);
            color: #38BDF8;
            font-family: monospace;
            font-size: 0.8125rem;
            padding: 0.25rem 0.625rem;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }

        .spec-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.25rem;
        }

        .spec-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        .arch-media-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-color);
        }

        .arch-media-wrap img {
            width: 100%;
            height: 440px;
            object-fit: cover;
        }

        /* 04. 核心优势矩阵 (6卡片) */
        .advantages-section {
            background-color: var(--light-bg);
        }

        .grid-3x2 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .adv-card {
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 2rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .adv-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.25rem;
        }

        .adv-title {
            font-size: 1.1875rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.75rem;
        }

        .adv-desc {
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.7;
            flex-grow: 1;
        }

        /* 05. 核心产品矩阵 (3大核心卡片) */
        .solutions-section {
            background-color: var(--white);
        }

        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
        }

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

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

        .sol-media {
            height: 200px;
            position: relative;
            overflow: hidden;
        }

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

        .sol-card:hover .sol-media img {
            transform: scale(1.05);
        }

        .sol-tag {
            position: absolute;
            top: 1rem;
            right: 1rem;
            background: rgba(15, 23, 42, 0.85);
            backdrop-filter: blur(4px);
            color: var(--white);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.25rem 0.625rem;
            border-radius: var(--radius-pill);
        }

        .sol-body {
            padding: 1.75rem;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .sol-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.75rem;
        }

        .sol-desc {
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            flex-grow: 1;
        }

        .sol-features {
            list-style: none;
            margin-bottom: 1.5rem;
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }

        .sol-features li {
            font-size: 0.875rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.5rem;
        }

        .sol-features li::before {
            content: '✓';
            color: var(--primary);
            font-weight: bold;
        }

        /* 06. 深色沉浸式技术理念区 */
        .tech-vision-section {
            background-color: var(--dark-bg);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }

        .tech-vision-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 3rem;
            align-items: center;
        }

        .tech-vision-section .section-title {
            color: var(--white);
        }

        .tech-vision-section .section-desc {
            color: #94A3B8;
        }

        .tech-terminal {
            background-color: var(--dark-surface);
            border: 1px solid var(--dark-border);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
        }

        .terminal-header {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            padding-bottom: 1rem;
            margin-bottom: 1rem;
            border-bottom: 1px solid var(--dark-border);
        }

        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }

        .dot-red { background-color: #EF4444; }
        .dot-yellow { background-color: #F59E0B; }
        .dot-green { background-color: #10B981; }

        .terminal-code {
            font-size: 0.875rem;
            color: #A5F3FC;
            line-height: 1.8;
        }

        .terminal-code .code-hl {
            color: #34D399;
        }

        .terminal-code .code-comment {
            color: #64748B;
        }

        /* 07. 应用场景演示 (Tab/双列) */
        .scenarios-section {
            background-color: var(--light-bg);
        }

        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .scenario-box {
            background-color: var(--white);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 2rem;
            transition: var(--transition);
        }

        .scenario-box:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .scenario-target-badge {
            font-size: 0.75rem;
            text-transform: uppercase;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 0.75rem;
            letter-spacing: 0.05em;
        }

        .scenario-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.75rem;
        }

        .scenario-desc {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1.25rem;
        }

        .scenario-benefit {
            padding-top: 1rem;
            border-top: 1px dashed var(--border-color);
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
        }

        /* 08. 关键服务指标条 */
        .metrics-section {
            background: linear-gradient(135deg, var(--primary) 0%, #059669 100%);
            color: var(--white);
            padding: 3rem 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
            text-align: center;
        }

        .metric-cell {
            padding: 1rem;
        }

        .metric-value {
            font-size: clamp(2rem, 3.5vw, 2.75rem);
            font-weight: 900;
            line-height: 1.1;
            margin-bottom: 0.5rem;
            letter-spacing: -0.02em;
        }

        .metric-label {
            font-size: 0.9375rem;
            font-weight: 500;
            opacity: 0.9;
        }

        /* 09. 落地案例对比 */
        .cases-section {
            background-color: var(--white);
        }

        .cases-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 2rem;
        }

        .case-card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2rem;
            background: var(--light-bg);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .case-header {
            margin-bottom: 1.25rem;
        }

        .case-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 0.5rem;
        }

        .case-metrics-compare {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1rem;
            background: var(--white);
            border-radius: var(--radius-md);
            padding: 1.25rem;
            margin: 1.5rem 0;
            border: 1px solid var(--border-color);
        }

        .compare-col span {
            display: block;
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 0.25rem;
        }

        .compare-col strong {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
        }

        /* 10. 行业客户口碑 */
        .testimonials-section {
            background-color: var(--light-bg);
        }

        .testi-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .testi-card {
            background-color: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.75rem;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testi-stars {
            color: #F59E0B;
            margin-bottom: 1rem;
            font-size: 1rem;
        }

        .testi-quote {
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }

        .testi-author {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            border-top: 1px solid var(--border-color);
            padding-top: 1rem;
        }

        .testi-avatar-placeholder {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.875rem;
        }

        .testi-meta strong {
            display: block;
            font-size: 0.9375rem;
            color: var(--text-heading);
        }

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

        /* 11. 前沿资讯与白皮书 */
        .news-section {
            background-color: var(--white);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .news-card {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            background: var(--light-bg);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            border-color: var(--primary);
            transform: translateY(-2px);
        }

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

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

        .news-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 1rem;
            flex-grow: 1;
        }

        .news-more-btn {
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.25rem;
        }

        /* 12. 常见问题 FAQ (手风琴) */
        .faq-section {
            background-color: var(--light-bg);
        }

        .faq-container {
            max-width: 840px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

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

        .faq-summary {
            padding: 1.25rem 1.5rem;
            font-weight: 700;
            font-size: 1.0625rem;
            color: var(--text-heading);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            user-select: none;
        }

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

        .faq-summary::after {
            content: '+';
            font-size: 1.25rem;
            font-weight: 400;
            color: var(--primary);
            transition: var(--transition);
        }

        details[open] .faq-summary::after {
            transform: rotate(45deg);
        }

        .faq-content {
            padding: 0 1.5rem 1.25rem;
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.7;
            border-top: 1px solid rgba(226, 232, 240, 0.5);
            padding-top: 1rem;
        }

        /* 13. 保障规范与直达转化 */
        .cta-guarantee-section {
            background: linear-gradient(180deg, var(--white) 0%, #F0FDF8 100%);
            border-top: 1px solid var(--border-color);
            padding: clamp(3.5rem, 5vw, 6rem) 0;
        }

        .guarantee-badges {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin-bottom: 3rem;
            flex-wrap: wrap;
        }

        .guarantee-badge-item {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            background: var(--white);
            border: 1px solid var(--border-color);
            padding: 0.75rem 1.5rem;
            border-radius: var(--radius-pill);
            box-shadow: var(--shadow-sm);
        }

        .guarantee-badge-item strong {
            font-size: 0.9375rem;
            color: var(--text-heading);
        }

        .conversion-form-wrap {
            max-width: 640px;
            margin: 0 auto;
            background: var(--white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            box-shadow: var(--shadow-card);
        }

        .form-grid {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }

        .form-group label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 0.35rem;
        }

        .form-control {
            width: 100%;
            padding: 0.75rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            background: var(--light-bg);
            color: var(--text-heading);
            transition: var(--transition);
        }

        .form-control:focus {
            outline: none;
            border-color: var(--primary);
            background: var(--white);
            box-shadow: 0 0 0 3px rgba(10, 143, 104, 0.15);
        }

        .checkbox-group {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 0.5rem;
            margin-top: 0.25rem;
        }

        .checkbox-label {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.875rem;
            color: var(--text-body);
            cursor: pointer;
        }

        /* 页脚规范 */
        .site-footer {
            background-color: var(--dark-bg);
            color: #94A3B8;
            padding: 4rem 0 2rem;
            font-size: 0.875rem;
            border-top: 1px solid var(--dark-border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-col h5 {
            color: var(--white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.25rem;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.625rem;
        }

        .footer-links a:hover {
            color: var(--white);
        }

        .footer-bottom {
            padding-top: 2rem;
            border-top: 1px solid var(--dark-border);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
            text-align: center;
            font-size: 0.8125rem;
        }

        /* 移动端固定底栏 */
        .floating-action-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-top: 1px solid var(--border-color);
            padding: 0.625rem 1rem;
            display: none;
            z-index: 99;
            box-shadow: 0 -4px 12px rgba(0,0,0,0.06);
        }

        .floating-action-inner {
            display: flex;
            gap: 0.75rem;
            max-width: 480px;
            margin: 0 auto;
        }

        .floating-btn {
            flex: 1;
            padding: 0.625rem;
            border-radius: var(--radius-pill);
            text-align: center;
            font-size: 0.875rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.25rem;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .hero-grid, .arch-grid, .tech-vision-grid {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .grid-3x2, .solutions-grid, .scenarios-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlights-grid, .testi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--white);
                flex-direction: column;
                padding: 1.5rem;
                border-bottom: 1px solid var(--border-color);
                box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .grid-3x2, .solutions-grid, .scenarios-grid, .news-grid, .highlights-grid, .testi-grid, .cases-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .floating-action-bar {
                display: block;
            }
            body {
                padding-bottom: 60px;
            }
            .hero-floating-card {
                position: static;
                margin-top: 1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }

        @media (max-width: 480px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .checkbox-group {
                grid-template-columns: 1fr;
            }
            .conversion-form-wrap {
                padding: 1.5rem;
            }
        }