/* roulang page: index */
:root {
            --primary: #0F5BFE;
            --primary-dark: #0B45C4;
            --primary-light: #EBF1FF;
            --accent-green: #10B981;
            --accent-amber: #F59E0B;
            --dark-midnight: #0B132B;
            --dark-surface: #1C2541;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --bg-page: #FFFFFF;
            --bg-alt: #F8FAFC;
            --border-light: #E2E8F0;
            --border-card: #ECEFF5;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.03);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.06), 0 2px 4px -1px rgba(0,0,0,0.04);
            --shadow-xl: 0 20px 25px -5px rgba(15, 91, 254, 0.08), 0 10px 10px -5px rgba(15, 91, 254, 0.04);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-full: 9999px;
            --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: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background-color: var(--bg-page);
            color: var(--text-body);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a { color: inherit; text-decoration: none; transition: var(--transition); }
        ul, ol { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }

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

        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Top Notification & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }
        .top-bar {
            background: var(--dark-midnight);
            color: #94A3B8;
            font-size: 0.8125rem;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-notice { display: flex; align-items: center; gap: 8px; }
        .top-badge {
            background: var(--primary);
            color: #FFF;
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 600;
        }
        .top-contact { display: flex; align-items: center; gap: 20px; }
        .top-contact span { color: #FFF; font-weight: 600; }

        .main-nav {
            padding: 16px 0;
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-main);
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary) 0%, #00C6FF 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            font-weight: 900;
            font-size: 1.2rem;
            box-shadow: 0 4px 10px rgba(15, 91, 254, 0.3);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            padding: 4px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: var(--primary);
        }
        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }
        .nav-link:hover::after, .nav-link.active::after {
            width: 100%;
        }
        .nav-cta-btn {
            background: var(--primary);
            color: #FFF;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            font-size: 0.9375rem;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(15, 91, 254, 0.3);
            border: 1px solid transparent;
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(15, 91, 254, 0.4);
        }

        /* Hero: 会员俱乐部黑金科技质感 */
        .hero-section {
            background: radial-gradient(circle at 80% 20%, #1A2744 0%, #080D1A 70%);
            color: #FFF;
            padding: 90px 0 110px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/87464e37c3aa3906.webp') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .hero-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
        }
        .hero-badge-wrap {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 215, 0, 0.1);
            border: 1px solid rgba(255, 215, 0, 0.3);
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 24px;
        }
        .hero-badge-tag {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #FFF;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: 4px;
        }
        .hero-badge-text {
            color: #FDE68A;
            font-size: 0.875rem;
            font-weight: 600;
        }
        .hero-title {
            font-size: 3.25rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 24px;
            letter-spacing: -1px;
            background: linear-gradient(180deg, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-desc {
            font-size: 1.125rem;
            color: #94A3B8;
            line-height: 1.75;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 40px;
        }
        .btn-gold {
            background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
            color: #FFF;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: var(--radius-full);
            box-shadow: 0 6px 20px rgba(245, 158, 11, 0.35);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 25px rgba(245, 158, 11, 0.45);
        }
        .btn-outline-white {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #FFF;
            font-weight: 600;
            padding: 14px 30px;
            border-radius: var(--radius-full);
            backdrop-filter: blur(8px);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: #FFF;
        }
        .hero-trust-bar {
            display: flex;
            align-items: center;
            gap: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
        }
        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #CBD5E1;
            font-size: 0.875rem;
        }
        .trust-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            box-shadow: 0 0 10px var(--accent-green);
        }

        /* Hero Right: 俱乐部权益与终端管控卡片 */
        .hero-card-panel {
            background: rgba(28, 37, 65, 0.85);
            border: 1px solid rgba(255, 215, 0, 0.25);
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
            backdrop-filter: blur(16px);
        }
        .panel-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .panel-title { font-size: 1.15rem; font-weight: 700; color: #FFF; }
        .panel-status {
            background: rgba(16, 185, 129, 0.15);
            color: var(--accent-green);
            font-size: 0.8125rem;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-weight: 600;
        }
        .panel-stats-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-bottom: 24px;
        }
        .stat-box {
            background: rgba(11, 19, 43, 0.6);
            border: 1px solid rgba(255,255,255,0.06);
            padding: 16px;
            border-radius: var(--radius-md);
        }
        .stat-box-label { font-size: 0.8125rem; color: #94A3B8; margin-bottom: 6px; }
        .stat-box-val { font-size: 1.5rem; font-weight: 800; color: #FDE68A; }
        .stat-box-sub { font-size: 0.75rem; color: var(--accent-green); margin-top: 4px; }
        .panel-feature-list { display: flex; flex-direction: column; gap: 12px; }
        .panel-feature-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.875rem;
            color: #CBD5E1;
            padding: 8px 12px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-sm);
        }

        /* Section 2: KPI 看板条 */
        .section-kpi {
            background: #FFFFFF;
            padding: 50px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .kpi-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .kpi-card {
            border-left: 3px solid var(--primary);
            padding-left: 20px;
        }
        .kpi-num {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.2;
            margin-bottom: 6px;
            font-feature-settings: "tnum";
        }
        .kpi-label {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-body);
            margin-bottom: 4px;
        }
        .kpi-sub {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* Section 3: 经营痛点突围 */
        .section-pain {
            background: var(--bg-alt);
            padding: 90px 0;
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .pain-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 30px 24px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .pain-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
            border-color: rgba(15, 91, 254, 0.3);
        }
        .pain-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: #FEE2E2;
            color: #DC2626;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 20px;
            font-weight: 700;
        }
        .pain-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .pain-desc {
            font-size: 0.925rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .pain-fix {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            border-top: 1px dashed var(--border-light);
            padding-top: 12px;
        }

        /* Section 4: 架构与技术底座 */
        .section-tech {
            background: #FFFFFF;
            padding: 90px 0;
        }
        .tech-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .tech-img-wrap {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
        }
        .tech-img-wrap img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }
        .tech-float-badge {
            position: absolute;
            bottom: 24px;
            right: 24px;
            background: rgba(15, 23, 42, 0.92);
            color: #FFF;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
        }
        .tech-float-val { font-size: 1.6rem; font-weight: 800; color: var(--accent-green); }
        .tech-float-lbl { font-size: 0.8rem; color: #94A3B8; }
        .tech-content h3 {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
            line-height: 1.35;
        }
        .tech-content p {
            font-size: 1rem;
            color: var(--text-body);
            line-height: 1.75;
            margin-bottom: 24px;
        }
        .tech-spec-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .tech-spec-item {
            background: var(--bg-alt);
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
        }
        .tech-spec-title { font-size: 0.95rem; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
        .tech-spec-desc { font-size: 0.825rem; color: var(--text-muted); }

        /* Section 5: 服务矩阵 / 功能矩阵 */
        .section-matrix {
            background: var(--bg-alt);
            padding: 90px 0;
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .matrix-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 36px 30px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .matrix-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-xl);
            border-color: var(--primary);
        }
        .matrix-icon-box {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 24px;
        }
        .matrix-card h4 {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .matrix-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 20px;
        }
        .matrix-feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: auto;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .matrix-tag {
            background: var(--bg-alt);
            color: var(--text-body);
            font-size: 0.8rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
        }

        /* Section 6: 结果对比 (传统 vs 智慧系统) */
        .section-compare {
            background: #FFFFFF;
            padding: 90px 0;
        }
        .compare-table-wrap {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .compare-row {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr;
            padding: 20px 30px;
            border-bottom: 1px solid var(--border-light);
            align-items: center;
        }
        .compare-row:last-child { border-bottom: none; }
        .compare-row.header {
            background: var(--dark-midnight);
            color: #FFF;
            font-weight: 700;
            padding: 18px 30px;
        }
        .compare-row.header .highlight {
            color: #FDE68A;
        }
        .compare-label {
            font-weight: 700;
            color: var(--text-main);
            font-size: 1rem;
        }
        .compare-traditional {
            color: #EF4444;
            font-size: 0.925rem;
            padding-right: 20px;
        }
        .compare-smart {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.95rem;
            background: var(--primary-light);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            display: inline-block;
        }

        /* Section 7: 实施方法步骤 (4步流水线) */
        .section-workflow {
            background: var(--bg-alt);
            padding: 90px 0;
        }
        .workflow-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .workflow-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 32px 24px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            position: relative;
        }
        .workflow-step-num {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--primary-light);
            line-height: 1;
            margin-bottom: 12px;
            font-feature-settings: "tnum";
        }
        .workflow-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .workflow-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Section 8: 深色案例与经营理念 */
        .section-dark-case {
            background: var(--dark-midnight);
            color: #FFF;
            padding: 100px 0;
            position: relative;
        }
        .dark-case-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .dark-case-tag {
            color: #FDE68A;
            font-size: 0.875rem;
            font-weight: 700;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 16px;
            display: inline-block;
        }
        .dark-case-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 24px;
        }
        .dark-case-desc {
            font-size: 1.05rem;
            color: #94A3B8;
            line-height: 1.75;
            margin-bottom: 36px;
        }
        .dark-case-metrics {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 24px;
        }
        .dark-metric-val { font-size: 1.85rem; font-weight: 800; color: #FDE68A; }
        .dark-metric-lbl { font-size: 0.8125rem; color: #94A3B8; margin-top: 4px; }
        .dark-case-card {
            background: var(--dark-surface);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            padding: 36px;
        }
        .dark-case-card h4 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #FFF;
        }
        .dark-progress-group { display: flex; flex-direction: column; gap: 16px; margin-top: 24px; }
        .dark-progress-item { display: flex; flex-direction: column; gap: 6px; }
        .dark-progress-label { display: flex; justify-content: space-between; font-size: 0.875rem; color: #CBD5E1; }
        .dark-progress-bar { width: 100%; height: 8px; background: rgba(255,255,255,0.08); border-radius: var(--radius-full); overflow: hidden; }
        .dark-progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary) 0%, var(--accent-green) 100%); border-radius: var(--radius-full); }

        /* Section 9: 标杆客户现场实拍 */
        .section-stories {
            background: #FFFFFF;
            padding: 90px 0;
        }
        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }
        .story-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .story-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .story-img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }
        .story-body {
            padding: 28px;
        }
        .story-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
        }
        .story-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .story-quote {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }
        .story-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .story-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .story-meta { font-size: 0.875rem; font-weight: 600; color: var(--text-main); }
        .story-meta span { display: block; font-size: 0.775rem; font-weight: 400; color: var(--text-muted); }

        /* Section 10: 多业态适用场景 */
        .section-scenarios {
            background: var(--bg-alt);
            padding: 90px 0;
        }
        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .scenario-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 30px 24px;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .scenario-card:hover {
            border-color: var(--primary);
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .scenario-head {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .scenario-icon {
            width: 42px;
            height: 42px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
        }
        .scenario-title { font-size: 1.15rem; font-weight: 700; color: var(--text-main); }
        .scenario-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 18px;
        }
        .scenario-points { display: flex; flex-direction: column; gap: 8px; font-size: 0.825rem; color: var(--text-body); }
        .scenario-points li { display: flex; align-items: center; gap: 6px; }
        .scenario-points li::before { content: "✓"; color: var(--accent-green); font-weight: 800; }

        /* Section 11: 平台合规与安全保障图标条 */
        .section-guarantee {
            background: #FFFFFF;
            padding: 60px 0;
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .guarantee-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .guarantee-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent-green);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            font-weight: 800;
            flex-shrink: 0;
        }
        .guarantee-title { font-size: 1rem; font-weight: 700; color: var(--text-main); margin-bottom: 4px; }
        .guarantee-desc { font-size: 0.825rem; color: var(--text-muted); }

        /* Section 12: 行业洞察与资讯 */
        .section-insights {
            background: var(--bg-alt);
            padding: 90px 0;
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }
        .news-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-xl);
        }
        .news-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-content {
            padding: 24px;
        }
        .news-date {
            font-size: 0.775rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }
        .news-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.4;
        }
        .news-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* Section 13: 常见问题快速解答 (FAQ) */
        .section-faq {
            background: #FFFFFF;
            padding: 90px 0;
        }
        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        details.faq-item {
            background: var(--bg-alt);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        details.faq-item[open] {
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: var(--shadow-sm);
        }
        summary.faq-question {
            padding: 20px 24px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        summary.faq-question::-webkit-details-marker { display: none; }
        summary.faq-question::after {
            content: "+";
            font-size: 1.4rem;
            color: var(--primary);
            font-weight: 400;
            transition: var(--transition);
        }
        details[open] summary.faq-question::after {
            content: "−";
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 22px;
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.7;
            border-top: 1px dashed var(--border-light);
            margin-top: 8px;
            padding-top: 16px;
        }

        /* Section 14: 意愿收集与预约演示 */
        .section-cta {
            background: linear-gradient(135deg, #0B132B 0%, #1A2744 100%);
            color: #FFF;
            padding: 90px 0;
            position: relative;
        }
        .cta-box {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .cta-info h3 {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
        }
        .cta-info p {
            font-size: 1.05rem;
            color: #94A3B8;
            line-height: 1.75;
            margin-bottom: 28px;
        }
        .cta-benefits {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .cta-benefit-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #E2E8F0;
            font-size: 0.95rem;
        }
        .cta-form-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 36px;
            color: var(--text-main);
            box-shadow: 0 20px 40px rgba(0,0,0,0.3);
        }
        .cta-form-card h4 {
            font-size: 1.35rem;
            font-weight: 800;
            margin-bottom: 20px;
            text-align: center;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-bottom: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group.full { grid-column: span 2; }
        .form-label { font-size: 0.85rem; font-weight: 600; color: var(--text-body); }
        .form-input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            outline: none;
            transition: var(--transition);
        }
        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px var(--primary-light);
        }
        .btn-submit {
            width: 100%;
            background: var(--primary);
            color: #FFF;
            font-weight: 700;
            padding: 14px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            margin-top: 8px;
        }
        .btn-submit:hover {
            background: var(--primary-dark);
        }

        /* Footer */
        .site-footer {
            background: #060B18;
            color: #94A3B8;
            padding: 70px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 0.875rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }
        .footer-brand { font-size: 1.35rem; font-weight: 800; color: #FFF; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
        .footer-desc { font-size: 0.875rem; line-height: 1.7; margin-bottom: 20px; }
        .footer-col h5 { font-size: 1rem; font-weight: 700; color: #FFF; margin-bottom: 20px; }
        .footer-links { display: flex; flex-direction: column; gap: 10px; }
        .footer-links a:hover { color: #FFF; padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8125rem;
        }

        /* Mobile Responsive */
        @media (max-width: 1024px) {
            .hero-grid, .tech-grid, .dark-case-grid, .cta-box { grid-template-columns: 1fr; gap: 40px; }
            .matrix-grid, .news-grid { grid-template-columns: repeat(2, 1fr); }
            .pain-grid, .workflow-grid, .scenario-grid, .kpi-grid, .guarantee-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .top-bar { display: none; }
            .nav-links { display: none; }
            .hero-title { font-size: 2.25rem; }
            .section-title { font-size: 1.85rem; }
            .pain-grid, .workflow-grid, .scenario-grid, .kpi-grid, .guarantee-grid, .matrix-grid, .news-grid, .stories-grid { grid-template-columns: 1fr; }
            .form-grid { grid-template-columns: 1fr; }
            .form-group.full { grid-column: span 1; }
            .compare-row { grid-template-columns: 1fr; gap: 8px; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 12px; text-align: center; }
            .hero-actions { flex-direction: column; align-items: stretch; }
        }