/* roulang page: index */
:root {
            --bg-base: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-dark: #0F172A;
            --bg-dark-card: #1E293B;
            --primary: #0EA5E9;
            --primary-deep: #0369A1;
            --primary-light: #E0F2FE;
            --text-heading: #0F172A;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border-color: #E2E8F0;
            --border-dark: #334155;
            --success: #10B981;
            --warning: #F59E0B;
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            --font-digit: "DIN Alternate", Roboto, -apple-system, sans-serif;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.06), 0 2px 4px -1px rgba(15, 23, 42, 0.03);
            --shadow-lg: 0 20px 25px -5px rgba(15, 23, 42, 0.05), 0 10px 10px -5px rgba(15, 23, 42, 0.02);
            --radius-sm: 4px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --container-max: 1240px;
        }

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

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

        body {
            font-family: var(--font-main);
            background-color: var(--bg-base);
            color: var(--text-body);
            line-height: 1.65;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.25s ease;
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
        }

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

        /* 顶部实用栏与导航 */
        .header-wrap {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
        }

        .utility-bar {
            background-color: var(--bg-dark);
            color: #94A3B8;
            font-size: 12px;
            padding: 7px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .utility-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .utility-info {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .sla-indicator {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #E2E8F0;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background-color: var(--success);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--success);
        }

        .main-nav {
            padding: 16px 0;
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-heading);
            letter-spacing: -0.01em;
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            list-style: none;
        }

        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-heading);
            padding: 4px 0;
            position: relative;
        }

        .nav-links a:hover, .nav-links a.active {
            color: var(--primary-deep);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: width 0.25s ease;
        }

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

        .nav-cta-btn {
            background-color: var(--primary-deep);
            color: #FFF;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .nav-cta-btn:hover {
            background-color: #0284C7;
            transform: translateY(-1px);
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 6px;
        }

        /* 板块通用规范 */
        .section-block {
            padding: 100px 0;
            position: relative;
        }

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

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

        .section-header {
            margin-bottom: 56px;
        }

        .section-header.text-center {
            text-align: center;
            max-width: 780px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-deep);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        .section-dark .section-tag {
            background: rgba(14, 165, 233, 0.18);
            color: #38BDF8;
        }

        h1.hero-title {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 700;
            color: #FFF;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        h2.section-title {
            font-size: 32px;
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 18px;
            letter-spacing: -0.01em;
        }

        .section-dark h2.section-title {
            color: #F8FAFC;
        }

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

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

        /* 板块 1: 首屏轮播与预约体验交互 */
        .hero-banner-section {
            position: relative;
            background-color: #090E17;
            color: #FFF;
            min-height: 680px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: 90px 0;
        }

        .hero-bg-carousel {
            position: absolute;
            inset: 0;
            z-index: 1;
        }

        .carousel-slide {
            position: absolute;
            inset: 0;
            opacity: 0;
            transition: opacity 0.8s ease-in-out;
            background-size: cover;
            background-position: center;
        }

        .carousel-slide::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(15, 23, 42, 0.94) 0%, rgba(15, 23, 42, 0.85) 50%, rgba(15, 23, 42, 0.65) 100%);
        }

        .carousel-slide.active {
            opacity: 1;
        }

        .hero-inner-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1.25fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

        .hero-text-content {
            max-width: 650px;
        }

        .hero-lead-text {
            font-size: 16px;
            line-height: 1.75;
            color: #CBD5E1;
            margin-bottom: 32px;
        }

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

        .btn-primary {
            background-color: var(--primary);
            color: #FFF;
            padding: 13px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid var(--primary);
        }

        .btn-primary:hover {
            background-color: #0284C7;
            border-color: #0284C7;
        }

        .btn-outline-light {
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #FFF;
            padding: 13px 26px;
            border-radius: var(--radius-sm);
            font-weight: 600;
        }

        .btn-outline-light:hover {
            border-color: #FFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .hero-badges-row {
            display: flex;
            gap: 20px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .hero-badge-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #94A3B8;
        }

        .hero-badge-item svg {
            color: var(--primary);
        }

        /* 右侧架构评估与预约组件 */
        .hero-booking-card {
            background: rgba(30, 41, 59, 0.85);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 32px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
        }

        .booking-card-head {
            margin-bottom: 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding-bottom: 14px;
        }

        .booking-card-head h3 {
            font-size: 18px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 6px;
        }

        .booking-card-head p {
            font-size: 13px;
            color: #94A3B8;
        }

        .booking-form-item {
            margin-bottom: 16px;
        }

        .booking-label {
            display: block;
            font-size: 12px;
            color: #CBD5E1;
            margin-bottom: 6px;
            font-weight: 500;
        }

        .booking-select, .booking-input {
            width: 100%;
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            color: #FFF;
            font-size: 14px;
        }

        .booking-select:focus, .booking-input:focus {
            border-color: var(--primary);
        }

        .timeslot-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
            margin-top: 6px;
        }

        .timeslot-btn {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: #CBD5E1;
            padding: 8px 4px;
            font-size: 12px;
            border-radius: var(--radius-sm);
            text-align: center;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .timeslot-btn.active, .timeslot-btn:hover {
            border-color: var(--primary);
            background: rgba(14, 165, 233, 0.15);
            color: #38BDF8;
        }

        .booking-submit {
            width: 100%;
            margin-top: 18px;
            background: var(--primary);
            border: none;
            color: #FFF;
            padding: 12px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: background 0.2s;
        }

        .booking-submit:hover {
            background: var(--primary-deep);
        }

        .carousel-indicators {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            gap: 10px;
            z-index: 5;
        }

        .carousel-dot {
            width: 32px;
            height: 3px;
            background: rgba(255, 255, 255, 0.25);
            cursor: pointer;
            transition: background 0.3s;
        }

        .carousel-dot.active {
            background: var(--primary);
        }

        /* 板块 2: 架构总览 */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-image-frame {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
        }

        .intro-image-frame img {
            width: 100%;
            height: 420px;
            object-fit: cover;
        }

        .floating-stat-badge {
            position: absolute;
            bottom: 24px;
            right: 24px;
            background: rgba(15, 23, 42, 0.9);
            color: #FFF;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }

        .floating-stat-num {
            font-size: 24px;
            font-weight: 700;
            color: var(--primary);
            font-family: var(--font-digit);
        }

        .floating-stat-lbl {
            font-size: 12px;
            color: #CBD5E1;
        }

        .intro-metric-list {
            margin-top: 32px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .intro-metric-item {
            border-left: 3px solid var(--primary);
            padding-left: 14px;
        }

        .intro-metric-val {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .intro-metric-sub {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 板块 3: 核心效能优势 6 宫格 */
        .advantages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .adv-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            position: relative;
            transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
        }

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

        .adv-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 20px;
        }

        .adv-serial {
            font-family: var(--font-digit);
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
        }

        .adv-icon-wrap {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-deep);
        }

        .adv-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .adv-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.65;
        }

        /* 板块 4: 产品矩阵三栏推荐 */
        .products-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .prod-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            display: flex;
            flex-direction: column;
            transition: all 0.3s ease;
            position: relative;
        }

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

        .featured-ribbon {
            position: absolute;
            top: -12px;
            right: 28px;
            background: var(--primary);
            color: #FFF;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }

        .prod-name {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .prod-subtitle {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .prod-specs-list {
            list-style: none;
            margin-bottom: 32px;
            flex-grow: 1;
        }

        .prod-specs-list li {
            font-size: 14px;
            color: var(--text-body);
            padding: 10px 0;
            border-bottom: 1px dashed var(--border-color);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .prod-specs-list li svg {
            color: var(--success);
            flex-shrink: 0;
        }

        .prod-card-footer {
            margin-top: auto;
        }

        .btn-card-action {
            display: block;
            text-align: center;
            width: 100%;
            padding: 12px 0;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
            border: 1px solid var(--primary-deep);
            color: var(--primary-deep);
        }

        .prod-card.featured .btn-card-action {
            background-color: var(--primary-deep);
            color: #FFF;
        }

        .btn-card-action:hover {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #FFF;
        }

        /* 板块 5: 混合云深度集成效能看板（深色对比） */
        .comparison-board {
            display: grid;
            grid-template-columns: 1fr 1fr;
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            overflow: hidden;
            background-color: rgba(30, 41, 59, 0.5);
        }

        .comp-col {
            padding: 40px;
        }

        .comp-col.left-col {
            border-right: 1px solid var(--border-dark);
            background-color: rgba(15, 23, 42, 0.4);
        }

        .comp-col.right-col {
            background: linear-gradient(180deg, rgba(14, 165, 233, 0.08) 0%, rgba(30, 41, 59, 0.6) 100%);
        }

        .comp-col-header {
            margin-bottom: 28px;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .comp-col-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .left-col .comp-col-title {
            color: #94A3B8;
        }

        .right-col .comp-col-title {
            color: #38BDF8;
        }

        .comp-item-row {
            margin-bottom: 24px;
        }

        .comp-item-label {
            font-size: 13px;
            color: #94A3B8;
            margin-bottom: 6px;
        }

        .comp-item-value {
            font-size: 16px;
            font-weight: 600;
        }

        .left-col .comp-item-value {
            color: #E2E8F0;
        }

        .right-col .comp-item-value {
            color: #FFF;
        }

        /* 板块 6: 数字化演进里程碑 */
        .timeline-track {
            position: relative;
            padding: 20px 0;
        }

        .timeline-track::before {
            content: '';
            position: absolute;
            top: 50px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--border-color);
            z-index: 1;
        }

        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 2;
        }

        .milestone-step {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            box-shadow: var(--shadow-sm);
        }

        .step-indicator {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background-color: var(--primary-light);
            color: var(--primary-deep);
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            border: 3px solid var(--bg-white);
            box-shadow: 0 0 0 2px var(--primary);
        }

        .milestone-step h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .milestone-step p {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.6;
        }

        /* 板块 7: 标杆场景案例 */
        .cases-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

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

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

        .case-card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .case-card-body {
            padding: 28px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .case-category {
            font-size: 12px;
            color: var(--primary-deep);
            font-weight: 600;
            margin-bottom: 8px;
            text-transform: uppercase;
        }

        .case-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .case-card p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .case-metrics-tag {
            margin-top: auto;
            background-color: var(--bg-base);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: var(--text-heading);
            font-weight: 500;
        }

        /* 板块 8: 核心指标看板数据条 */
        .stats-counter-bar {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .stat-col-box:not(:last-child) {
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .stat-num-val {
            font-family: var(--font-digit);
            font-size: 46px;
            font-weight: 700;
            color: #38BDF8;
            line-height: 1;
            margin-bottom: 8px;
        }

        .stat-num-val span {
            font-size: 20px;
            color: #94A3B8;
        }

        .stat-num-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 4px;
        }

        .stat-num-sub {
            font-size: 12px;
            color: #94A3B8;
        }

        /* 板块 9: 决策者评价 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .review-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            position: relative;
        }

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

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

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

        .reviewer-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
        }

        .reviewer-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 板块 10: 趋势洞察与资讯 */
        .insights-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

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

        .insight-card-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .insight-meta {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .insight-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 10px;
            line-height: 1.4;
        }

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

        .insight-anchor {
            margin-top: auto;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-deep);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 板块 11: 平台安全保障 */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .sec-quadrant-card {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px;
            display: flex;
            gap: 20px;
        }

        .sec-icon-box {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: #EFF6FF;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-deep);
        }

        .sec-details h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .sec-details p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.65;
        }

        /* 板块 12: 智能选型交互向导 */
        .wizard-container {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: var(--shadow-sm);
        }

        .wizard-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
        }

        .wizard-step-box {
            margin-bottom: 24px;
        }

        .wizard-step-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .wizard-options-group {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .wizard-btn-opt {
            background: var(--bg-base);
            border: 1px solid var(--border-color);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: var(--text-body);
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .wizard-btn-opt.active, .wizard-btn-opt:hover {
            border-color: var(--primary-deep);
            background-color: var(--primary-light);
            color: var(--primary-deep);
            font-weight: 600;
        }

        .wizard-preview-card {
            background: #F1F5F9;
            border-radius: var(--radius-md);
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            border: 1px solid var(--border-color);
        }

        .preview-arch-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .preview-arch-desc {
            font-size: 13px;
            color: var(--text-body);
            line-height: 1.65;
            margin-bottom: 20px;
        }

        /* 板块 13: FAQ 手风琴 */
        .faq-accordion-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background-color: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 14px;
            overflow: hidden;
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
            cursor: pointer;
        }

        .faq-toggle-icon {
            transition: transform 0.3s ease;
            color: var(--primary);
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 24px;
            background-color: #FAFAFC;
        }

        .faq-answer-inner {
            padding: 18px 0;
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.75;
            border-top: 1px solid var(--border-color);
        }

        /* 板块 14: 转化与方案接入看板 */
        .cta-conversion-box {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            border-radius: var(--radius-lg);
            padding: 60px 50px;
            color: #FFF;
            box-shadow: var(--shadow-lg);
        }

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

        .cta-text-side h2 {
            font-size: 30px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #FFF;
        }

        .cta-text-side p {
            font-size: 15px;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .cta-assurance-list {
            list-style: none;
        }

        .cta-assurance-list li {
            font-size: 13px;
            color: #CBD5E1;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .cta-assurance-list svg {
            color: var(--success);
        }

        .cta-form-side {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 32px;
        }

        .form-row {
            margin-bottom: 16px;
        }

        .form-row label {
            display: block;
            font-size: 13px;
            color: #CBD5E1;
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 11px 14px;
            color: #FFF;
            font-size: 14px;
        }

        .form-input:focus {
            border-color: var(--primary);
        }

        .tag-select-group {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 6px;
        }

        .tag-pill {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #CBD5E1;
            font-size: 12px;
            padding: 6px 12px;
            border-radius: 20px;
            cursor: pointer;
        }

        .tag-pill.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #FFF;
        }

        .btn-form-submit {
            width: 100%;
            background: var(--primary);
            border: none;
            color: #FFF;
            padding: 13px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            margin-top: 10px;
            transition: background 0.2s;
        }

        .btn-form-submit:hover {
            background: var(--primary-deep);
        }

        /* 页脚 */
        .site-footer {
            background-color: #0B1120;
            color: #94A3B8;
            padding-top: 80px;
            padding-bottom: 30px;
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1.2fr 1.2fr;
            gap: 48px;
            margin-bottom: 56px;
        }

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

        .footer-brand p {
            line-height: 1.7;
            font-size: 13px;
            margin-bottom: 16px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: #FFF;
            margin-bottom: 18px;
            border-left: 2px solid var(--primary);
            padding-left: 8px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

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

        .footer-contact-item {
            margin-bottom: 12px;
            font-size: 13px;
            line-height: 1.5;
        }

        .compliance-badges {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compliance-pill {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            font-size: 12px;
            color: #CBD5E1;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        /* 响应式样式适配 */
        @media (max-width: 1024px) {
            .nav-links, .nav-cta-btn {
                display: none;
            }

            .menu-toggle {
                display: block;
                color: var(--text-heading);
            }

            .hero-inner-grid, .intro-grid, .cta-grid, .wizard-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .advantages-grid, .products-grid, .cases-grid, .reviews-grid, .insights-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .timeline-grid, .stats-grid-row {
                grid-template-columns: repeat(2, 1fr);
            }

            .stat-col-box:not(:last-child) {
                border-right: none;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 64px 0;
            }

            h1.hero-title {
                font-size: 32px;
            }

            h2.section-title {
                font-size: 26px;
            }

            .advantages-grid, .products-grid, .cases-grid, .reviews-grid, .insights-grid, .security-grid, .timeline-grid, .stats-grid-row, .comparison-board {
                grid-template-columns: 1fr;
            }

            .comp-col.left-col {
                border-right: none;
                border-bottom: 1px solid var(--border-dark);
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }

            .timeline-track::before {
                display: none;
            }
        }

        /* 移动端抽屉菜单 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: #FFF;
            z-index: 1100;
            padding: 30px 24px;
            box-shadow: -5px 0 25px rgba(0, 0, 0, 0.15);
            transition: right 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .mobile-drawer.open {
            right: 0;
        }

        .drawer-close {
            align-self: flex-end;
            background: none;
            border: none;
            font-size: 20px;
            cursor: pointer;
            margin-bottom: 24px;
        }

        .drawer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .drawer-links a {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-heading);
        }

        .drawer-backdrop {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.4);
            z-index: 1050;
            display: none;
        }

        .drawer-backdrop.active {
            display: block;
        }