/* roulang page: index */
:root {
            --primary: #0D252C;
            --primary-dark: #08171C;
            --primary-light: #163E4A;
            --accent: #059669;
            --accent-hover: #047857;
            --accent-light: #10B981;
            --accent-soft: rgba(5, 150, 105, 0.08);
            --warning: #D97706;
            --warning-bg: #FEF3C7;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border: #E2E8F0;
            --border-light: #F1F5F9;
            --bg-page: #F8FAFC;
            --bg-alt: #F1F5F9;
            --bg-card: #FFFFFF;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.04);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.06), 0 4px 6px -4px rgba(0,0,0,0.04);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --font-stack: system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "WenQuanYi Micro Hei", sans-serif;
        }

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

        html {
            font-family: var(--font-stack);
            background-color: var(--bg-page);
            color: var(--text-body);
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            line-height: 1.7;
            overflow-x: hidden;
            font-size: 15px;
            padding-bottom: 70px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease, opacity 0.2s ease;
        }

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部双行导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: transform 0.3s ease;
        }

        .topbar {
            background-color: var(--primary-dark);
            color: #94A3B8;
            font-size: 13px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }

        .topbar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 38px;
        }

        .topbar-badges {
            display: flex;
            gap: 16px;
            align-items: center;
        }

        .topbar-badge-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #CBD5E1;
        }

        .topbar-badge-item span.dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background-color: var(--accent-light);
        }

        .topbar-actions {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .topbar-actions a:hover {
            color: #FFFFFF;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.02em;
        }

        .brand-icon-box {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 18px;
            border: 1px solid rgba(255,255,255,0.2);
        }

        .brand-subtext {
            display: block;
            font-size: 11px;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0.05em;
            margin-top: -2px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 28px;
            align-items: center;
        }

        .nav-item a {
            color: var(--text-body);
            font-weight: 500;
            font-size: 15px;
            padding: 8px 0;
            position: relative;
        }

        .nav-item a:hover,
        .nav-item a.active {
            color: var(--accent);
        }

        .nav-item a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background-color: var(--accent);
            border-radius: 2px;
        }

        .nav-cta-btn {
            background-color: var(--accent);
            color: #FFFFFF !important;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 12px rgba(5,150,105,0.2);
            transition: all 0.2s ease;
        }

        .nav-cta-btn:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 16px rgba(5,150,105,0.3);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--primary);
        }

        /* 移动端抽屉菜单 */
        .drawer-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(15, 23, 42, 0.6);
            backdrop-filter: blur(4px);
            z-index: 200;
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.3s ease;
        }

        .drawer-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        .drawer-content {
            position: fixed;
            top: 0;
            right: 0;
            width: 280px;
            height: 100%;
            background: #FFFFFF;
            z-index: 201;
            padding: 24px;
            display: flex;
            flex-direction: column;
            gap: 20px;
            transform: translateX(100%);
            transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
            box-shadow: -4px 0 24px rgba(0,0,0,0.15);
        }

        .drawer-overlay.active .drawer-content {
            transform: translateX(0);
        }

        .drawer-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text-muted);
            cursor: pointer;
            padding: 4px;
        }

        .drawer-nav-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .drawer-nav-list a {
            font-size: 16px;
            font-weight: 500;
            color: var(--text-main);
            display: block;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
        }

        /* 通用排版体系与板块基底 */
        section {
            padding: 80px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 840px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            border: 1px solid rgba(5, 150, 105, 0.2);
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.3;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块 1：Hero 蓝图前后对比首屏 */
        .hero-section {
            background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-alt) 100%);
            padding: 70px 0 90px;
            border-bottom: 1px solid var(--border);
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.15fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 42px;
            line-height: 1.25;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }

        .hero-lead {
            font-size: 16px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 36px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background-color: var(--accent);
            color: #FFFFFF;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            transition: all 0.2s ease;
            box-shadow: 0 4px 14px rgba(5, 150, 105, 0.25);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(5, 150, 105, 0.35);
        }

        .btn-secondary {
            background-color: #FFFFFF;
            color: var(--primary);
            border: 1px solid var(--border);
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s ease;
        }

        .btn-secondary:hover {
            border-color: var(--primary);
            background-color: var(--bg-alt);
        }

        .hero-trust-row {
            display: flex;
            align-items: center;
            gap: 24px;
            border-top: 1px solid var(--border);
            padding-top: 24px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 500;
        }

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

        /* Before/After 并置对比展示台 */
        .comparison-stage {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .stage-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }

        .stage-title {
            font-weight: 700;
            font-size: 15px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .stage-tag {
            font-size: 12px;
            background: #ECFDF5;
            color: #065F46;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        .split-compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .compare-col {
            border-radius: var(--radius-md);
            padding: 20px 16px;
        }

        .compare-col.before {
            background-color: #FEF2F2;
            border: 1px solid #FEE2E2;
        }

        .compare-col.after {
            background-color: #F0FDF4;
            border: 1px solid #DCFCE7;
        }

        .col-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 4px;
            margin-bottom: 14px;
        }

        .compare-col.before .col-badge {
            background-color: #EF4444;
            color: #FFFFFF;
        }

        .compare-col.after .col-badge {
            background-color: var(--accent);
            color: #FFFFFF;
        }

        .compare-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .compare-list-item {
            font-size: 13px;
            line-height: 1.5;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .compare-col.before .compare-list-item {
            color: #991B1B;
        }

        .compare-col.after .compare-list-item {
            color: #166534;
        }

        .compare-list-item svg {
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* 板块 2：标准与体系认证支撑区 */
        .compliance-section {
            background-color: #FFFFFF;
            border-bottom: 1px solid var(--border);
        }

        .compliance-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .compliance-card {
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .compliance-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: #CBD5E1;
        }

        .compliance-code {
            font-family: monospace;
            font-size: 12px;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 14px;
            font-weight: 700;
        }

        .compliance-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .compliance-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 3：全流程数智化闭环阵列 */
        .lifecycle-section {
            background-color: var(--bg-alt);
        }

        .lifecycle-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            position: relative;
        }

        .lifecycle-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            position: relative;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .step-watermark {
            position: absolute;
            top: 20px;
            right: 24px;
            font-size: 44px;
            font-weight: 900;
            color: #E2E8F0;
            line-height: 1;
        }

        .lifecycle-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            margin-bottom: 12px;
            display: block;
        }

        .lifecycle-card h3 {
            font-size: 20px;
            color: var(--primary);
            margin-bottom: 14px;
            font-weight: 700;
        }

        .lifecycle-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .lifecycle-pills {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .lifecycle-pills li {
            background: var(--bg-alt);
            border: 1px solid var(--border);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            color: var(--text-body);
        }

        /* 板块 4：六大核心业务支柱 */
        .pillars-section {
            background-color: #FFFFFF;
        }

        .pillars-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .pillar-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 30px;
            background: #FFFFFF;
            transition: all 0.25s ease;
            position: relative;
        }

        .pillar-card:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .pillar-icon-box {
            width: 44px;
            height: 44px;
            background: var(--accent-soft);
            color: var(--accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .pillar-card h3 {
            font-size: 18px;
            color: var(--primary);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .pillar-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .pillar-feature-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
            padding-top: 14px;
            border-top: 1px dashed var(--border);
        }

        .pillar-feature-list li {
            font-size: 13px;
            color: var(--text-body);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .pillar-feature-list li::before {
            content: '•';
            color: var(--accent);
            font-size: 18px;
        }

        /* 板块 5：细分解决方案套件 */
        .editions-section {
            background-color: var(--bg-alt);
        }

        .editions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .edition-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
        }

        .edition-card.featured {
            border: 2px solid var(--accent);
            box-shadow: var(--shadow-lg);
            transform: scale(1.02);
            z-index: 2;
        }

        .featured-ribbon {
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--accent);
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 14px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }

        .edition-card h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .edition-target {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border);
        }

        .edition-checklist {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 32px;
        }

        .edition-checklist li {
            font-size: 14px;
            color: var(--text-body);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .edition-checklist li svg {
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* 板块 6：传统作业 vs 数智系统深度对比（深墨青对比区） */
        .comparison-deep-section {
            background-color: var(--primary-dark);
            color: #E2E8F0;
        }

        .comparison-deep-section .section-title {
            color: #FFFFFF;
        }

        .comparison-deep-section .section-desc {
            color: #94A3B8;
        }

        .table-wrapper {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            overflow-x: auto;
        }

        .diff-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 680px;
        }

        .diff-table th, .diff-table td {
            padding: 18px 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }

        .diff-table th {
            font-size: 15px;
            font-weight: 700;
            color: #CBD5E1;
            background: rgba(255, 255, 255, 0.04);
        }

        .diff-table td.dim {
            color: #94A3B8;
            background: rgba(239, 68, 68, 0.03);
        }

        .diff-table td.highlight {
            color: #A7F3D0;
            font-weight: 600;
            background: rgba(5, 150, 105, 0.08);
        }

        /* 板块 7：高精尖产业落地实施场景 */
        .industries-section {
            background-color: #FFFFFF;
        }

        .industries-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .industry-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #FFFFFF;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
        }

        .industry-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .industry-img-box {
            height: 160px;
            overflow: hidden;
            background-color: var(--bg-alt);
        }

        .industry-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .industry-card:hover .industry-img-box img {
            transform: scale(1.05);
        }

        .industry-body {
            padding: 20px;
        }

        .industry-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .industry-body p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 12px;
        }

        .industry-tag {
            display: inline-block;
            font-size: 12px;
            background: var(--bg-alt);
            color: var(--text-body);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 500;
        }

        /* 板块 8：关键效能指标统计条 */
        .metrics-section {
            background-color: var(--primary);
            color: #FFFFFF;
            padding: 60px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .metric-item .number {
            font-size: 44px;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.1;
            margin-bottom: 8px;
            letter-spacing: -0.02em;
        }

        .metric-item .label {
            font-size: 15px;
            font-weight: 600;
            color: #F1F5F9;
            margin-bottom: 4px;
        }

        .metric-item .sub {
            font-size: 12px;
            color: #94A3B8;
        }

        /* 板块 9：行业标杆证言与用户评价 */
        .testimonials-section {
            background-color: var(--bg-alt);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .testimonial-card {
            background-color: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            box-shadow: var(--shadow-sm);
        }

        .quote-icon {
            color: var(--accent);
            opacity: 0.3;
            margin-bottom: 16px;
        }

        .testimonial-text {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 24px;
            font-style: normal;
        }

        .author-box {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--border);
            padding-top: 18px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background-color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-weight: 700;
            font-size: 16px;
            flex-shrink: 0;
        }

        .author-meta .name {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
        }

        .author-meta .role {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块 10：法律前沿与实务资讯 */
        .news-section {
            background-color: #FFFFFF;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .news-card {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px;
            background: #FFFFFF;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .news-badge {
            background: var(--bg-alt);
            color: var(--text-body);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
        }

        .news-card h3 {
            font-size: 17px;
            color: var(--primary);
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .news-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .news-anchor {
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 板块 11：常见业务疑虑与实施解答 FAQ */
        .faq-section {
            background-color: var(--bg-alt);
        }

        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color 0.2s ease;
        }

        .faq-item.active {
            border-color: var(--accent);
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }

        .faq-icon {
            width: 20px;
            height: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            color: var(--text-muted);
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding-bottom: 22px;
        }

        /* 板块 12：安全体系与合规交付保障条 */
        .guarantee-section {
            background-color: #FFFFFF;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            padding: 50px 0;
        }

        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }

        .guarantee-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .guarantee-icon {
            width: 42px;
            height: 42px;
            border-radius: var(--radius-sm);
            background: #ECFDF5;
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .guarantee-item h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .guarantee-item p {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 板块 13：全功能试用申请与业务对接总控区 */
        .conversion-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #FFFFFF;
            padding: 90px 0;
        }

        .conversion-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .conversion-left h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .conversion-left p {
            font-size: 15px;
            color: #CBD5E1;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .benefit-checklist {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .benefit-checklist li {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 14px;
            color: #F1F5F9;
        }

        .benefit-checklist svg {
            color: var(--accent-light);
            flex-shrink: 0;
        }

        .form-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            color: var(--text-main);
            box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2), 0 8px 10px -6px rgba(0, 0, 0, 0.2);
        }

        .form-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .form-card .form-sub {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: var(--text-body);
            margin-bottom: 6px;
        }

        .form-control {
            width: 100%;
            height: 44px;
            padding: 8px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 14px;
            color: var(--text-main);
            outline: none;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-control:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.15);
        }

        .form-submit-btn {
            width: 100%;
            height: 48px;
            background: var(--accent);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 15px;
            border: none;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background-color 0.2s ease, transform 0.1s ease;
            box-shadow: 0 4px 12px rgba(5, 150, 105, 0.25);
            margin-top: 8px;
        }

        .form-submit-btn:hover {
            background-color: var(--accent-hover);
        }

        .form-submit-btn:active {
            transform: scale(0.99);
        }

        .form-privacy-note {
            font-size: 11px;
            color: var(--text-muted);
            text-align: center;
            margin-top: 14px;
            line-height: 1.5;
        }

        /* 板块 14：底部固定悬浮转化条 */
        .sticky-dock {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(8px);
            border-top: 1px solid var(--border);
            padding: 12px 0;
            box-shadow: 0 -4px 16px rgba(0,0,0,0.06);
        }

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

        .dock-left {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .dock-pulse {
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7);
            animation: pulse-green 2s infinite;
        }

        @keyframes pulse-green {
            0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0.7); }
            70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(5, 150, 105, 0); }
            100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(5, 150, 105, 0); }
        }

        .dock-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
        }

        .dock-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .dock-tel {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .dock-tel svg {
            color: var(--accent);
        }

        /* 统一页脚 */
        .site-footer {
            background-color: var(--primary-dark);
            color: #94A3B8;
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 50px;
        }

        .footer-brand h4 {
            font-size: 18px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 13px;
            line-height: 1.7;
            color: #94A3B8;
            margin-bottom: 18px;
        }

        .footer-col h5 {
            font-size: 14px;
            font-weight: 700;
            color: #F1F5F9;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            font-size: 13px;
            color: #94A3B8;
        }

        .footer-links a:hover {
            color: #FFFFFF;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 13px;
            margin-bottom: 12px;
            line-height: 1.6;
        }

        .footer-contact-item svg {
            color: var(--accent-light);
            flex-shrink: 0;
            margin-top: 3px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #64748B;
            flex-wrap: wrap;
            gap: 12px;
        }

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

        .footer-bottom a:hover {
            color: #CBD5E1;
        }

        /* 响应式断点控制 */
        @media (max-width: 1024px) {
            .nav-menu { display: none; }
            .mobile-toggle { display: block; }
            .hero-grid { grid-template-columns: 1fr; gap: 40px; }
            .compliance-grid { grid-template-columns: repeat(2, 1fr); }
            .lifecycle-grid { grid-template-columns: 1fr; }
            .pillars-grid { grid-template-columns: repeat(2, 1fr); }
            .editions-grid { grid-template-columns: 1fr; }
            .edition-card.featured { transform: none; }
            .industries-grid { grid-template-columns: repeat(2, 1fr); }
            .metrics-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
            .conversion-grid { grid-template-columns: 1fr; gap: 40px; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
        }

        @media (max-width: 767px) {
            body { font-size: 14px; padding-bottom: 80px; }
            section { padding: 50px 0; }
            .section-title { font-size: 26px; }
            .hero-content h1 { font-size: 30px; }
            .split-compare-grid { grid-template-columns: 1fr; }
            .compliance-grid { grid-template-columns: 1fr; }
            .pillars-grid { grid-template-columns: 1fr; }
            .industries-grid { grid-template-columns: 1fr; }
            .metrics-grid { grid-template-columns: 1fr; }
            .guarantee-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .dock-left { display: none; }
            .sticky-dock .container { justify-content: center; }
            .dock-right { width: 100%; justify-content: space-between; }
        }