/* roulang page: index */
:root {
            --primary-deep: #0D2B22;
            --primary-dark: #133E32;
            --accent-green: #10B981;
            --accent-green-dark: #059669;
            --brand-gradient: linear-gradient(135deg, #10B981 0%, #059669 100%);
            --gold-accent: #D97706;
            --gold-soft: #FEF3C7;
            --bg-light: #F8FAF9;
            --bg-white: #FFFFFF;
            --bg-dark-section: #0A1C16;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-soft: rgba(16, 185, 129, 0.15);
            --border-light: #E2E8F0;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-subtle: 0 4px 18px -4px rgba(13, 43, 34, 0.05);
            --shadow-card: 0 14px 34px -10px rgba(13, 43, 34, 0.08), 0 2px 6px rgba(0, 0, 0, 0.02);
            --shadow-hover: 0 22px 42px -12px rgba(13, 43, 34, 0.16);
            --container-max: 1200px;
            --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        /* 基础重置 */
        *, *::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", "Noto Sans SC", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        ul, ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            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: 1000;
            width: 100%;
            box-shadow: 0 2px 15px rgba(0,0,0,0.04);
        }

        .top-bar {
            background-color: var(--primary-deep);
            color: #A7F3D0;
            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-status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .status-dot {
            width: 8px;
            height: 8px;
            background-color: #34D399;
            border-radius: 50%;
            box-shadow: 0 0 8px #34D399;
        }

        .main-nav {
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(13, 43, 34, 0.06);
            padding: 14px 0;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary-deep);
            letter-spacing: -0.02em;
        }

        .brand-icon-box {
            width: 40px;
            height: 40px;
            background: var(--brand-gradient);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFFFFF;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(16, 185, 129, 0.25);
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-link {
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-heading);
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover, .nav-link.active {
            color: var(--accent-green-dark);
        }

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

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

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .btn-sync-action {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: var(--brand-gradient);
            color: #FFFFFF;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-sync-action:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
            color: #FFFFFF;
        }

        .mobile-nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--primary-deep);
            background: none;
            border: none;
            cursor: pointer;
        }

        /* 徽章通用样式 */
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 600;
            line-height: 1;
        }

        .badge-emerald {
            background-color: rgba(16, 185, 129, 0.12);
            color: var(--accent-green-dark);
            border: 1px solid rgba(16, 185, 129, 0.25);
        }

        .badge-gold {
            background-color: var(--gold-soft);
            color: #B45309;
            border: 1px solid rgba(217, 119, 6, 0.2);
        }

        /* 统一标题段落规范 */
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 50px auto;
        }

        .section-tag {
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2.15rem;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块基础规范 */
        .page-section {
            padding: 85px 0;
            position: relative;
        }

        .section-white {
            background-color: var(--bg-white);
        }

        .section-light {
            background-color: var(--bg-light);
        }

        /* 圆角大卡 */
        .custom-card {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            padding: 32px;
            transition: var(--transition-smooth);
        }

        .custom-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(16, 185, 129, 0.3);
        }

        /* 1. Hero 蓝图：无大图首屏，图标矩阵 + 状态条 + 短标题 */
        .hero-section {
            padding: 70px 0 80px 0;
            background: radial-gradient(circle at 50% 10%, rgba(16, 185, 129, 0.08) 0%, rgba(248, 250, 249, 1) 70%);
            border-bottom: 1px solid var(--border-light);
        }

        .hero-banner-card {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            box-shadow: 0 20px 45px -12px rgba(13, 43, 34, 0.09);
            border: 1px solid var(--border-soft);
            text-align: center;
        }

        .hero-status-strip {
            display: inline-flex;
            align-items: center;
            gap: 16px;
            background-color: rgba(16, 185, 129, 0.08);
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 0.85rem;
            color: var(--primary-deep);
            margin-bottom: 24px;
            border: 1px solid rgba(16, 185, 129, 0.2);
        }

        .hero-title {
            font-size: 2.65rem;
            font-weight: 800;
            color: var(--primary-deep);
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.03em;
        }

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

        .hero-subtitle {
            max-width: 820px;
            margin: 0 auto 36px auto;
            font-size: 1.1rem;
            color: var(--text-body);
            line-height: 1.8;
        }

        .hero-cta-group {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-bottom: 45px;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: var(--brand-gradient);
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 999px;
            box-shadow: 0 10px 25px -5px rgba(16, 185, 129, 0.4);
        }

        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 15px 30px -5px rgba(16, 185, 129, 0.5);
            color: #FFFFFF;
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            background-color: #FFFFFF;
            color: var(--primary-deep);
            border: 1px solid var(--border-light);
            font-size: 1rem;
            font-weight: 600;
            border-radius: 999px;
        }

        .btn-hero-secondary:hover {
            background-color: var(--bg-light);
            border-color: rgba(16, 185, 129, 0.4);
        }

        /* Hero 图标矩阵 (6大协议与资产数据端) */
        .hero-matrix-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            padding-top: 30px;
            border-top: 1px dashed rgba(16, 185, 129, 0.2);
        }

        .hero-matrix-item {
            background: var(--bg-light);
            padding: 18px 12px;
            border-radius: var(--radius-md);
            text-align: center;
            border: 1px solid rgba(0,0,0,0.03);
            transition: var(--transition-smooth);
        }

        .hero-matrix-item:hover {
            background-color: #FFFFFF;
            box-shadow: 0 8px 18px rgba(13, 43, 34, 0.06);
            border-color: rgba(16, 185, 129, 0.3);
            transform: translateY(-3px);
        }

        .hero-matrix-icon {
            font-size: 1.5rem;
            color: var(--accent-green-dark);
            margin-bottom: 8px;
        }

        .hero-matrix-title {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .hero-matrix-sub {
            font-size: 0.72rem;
            color: var(--text-muted);
        }

        /* 2. 入口矩阵区 */
        .portal-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .portal-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-subtle);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .portal-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            margin-bottom: 20px;
        }

        .icon-emerald-bg {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent-green-dark);
        }

        .icon-blue-bg {
            background: rgba(59, 130, 246, 0.1);
            color: #2563EB;
        }

        .icon-amber-bg {
            background: rgba(245, 158, 11, 0.1);
            color: #D97706;
        }

        .icon-purple-bg {
            background: rgba(139, 92, 246, 0.1);
            color: #7C3AED;
        }

        .portal-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .portal-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
        }

        .portal-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-green-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .portal-link:hover {
            gap: 10px;
        }

        /* 3. 多端互通与品牌介绍 */
        .brand-intro-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .intro-visual-box {
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }

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

        .intro-floating-stat {
            position: absolute;
            bottom: 24px;
            right: 24px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            border: 1px solid rgba(16, 185, 129, 0.2);
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .floating-stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--accent-green-dark);
            line-height: 1;
        }

        .floating-stat-lbl {
            font-size: 0.75rem;
            color: var(--text-muted);
        }

        .intro-content h3 {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 18px;
            line-height: 1.35;
        }

        .intro-content p {
            font-size: 0.95rem;
            color: var(--text-body);
            margin-bottom: 20px;
            line-height: 1.8;
        }

        .intro-check-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 14px;
            margin-top: 25px;
        }

        .intro-check-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--primary-deep);
            font-weight: 600;
        }

        .intro-check-item i {
            color: var(--accent-green);
        }

        /* 4. 核心优势 6卡片网格 */
        .features-grid-6 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-box {
            background-color: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
        }

        .feature-box:hover {
            transform: translateY(-6px);
            border-color: rgba(16, 185, 129, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .feature-icon-badge {
            width: 48px;
            height: 48px;
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.15) 0%, rgba(5, 150, 105, 0.05) 100%);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green-dark);
            font-size: 1.25rem;
            margin-bottom: 20px;
        }

        .feature-box h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .feature-box p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 5. 热门同步产品矩阵 3大卡 */
        .suite-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .suite-card {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
            transition: var(--transition-smooth);
        }

        .suite-card.suite-popular {
            border: 2px solid var(--accent-green);
            transform: translateY(-8px);
            box-shadow: 0 20px 40px -10px rgba(16, 185, 129, 0.18);
        }

        .suite-popular-tag {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--brand-gradient);
            color: #FFFFFF;
            padding: 4px 16px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.05em;
        }

        .suite-header {
            margin-bottom: 24px;
        }

        .suite-header h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .suite-feature-list {
            margin: 24px 0 32px 0;
            border-top: 1px solid var(--border-light);
            padding-top: 20px;
        }

        .suite-feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.88rem;
            color: var(--text-body);
            margin-bottom: 12px;
        }

        .suite-feature-list li i {
            color: var(--accent-green);
            font-size: 0.85rem;
        }

        /* 6. 深色安全理念与加密机制 */
        .security-deep-section {
            background-color: var(--bg-dark-section);
            color: #E2E8F0;
            padding: 90px 0;
            position: relative;
            overflow: hidden;
        }

        .security-deep-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 800px;
            height: 400px;
            background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(10, 28, 22, 0) 70%);
            pointer-events: none;
        }

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

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

        .security-arch-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 50px;
        }

        .security-arch-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(16, 185, 129, 0.2);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            backdrop-filter: blur(8px);
            transition: var(--transition-smooth);
        }

        .security-arch-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(16, 185, 129, 0.5);
            transform: translateY(-4px);
        }

        .security-arch-icon {
            font-size: 1.8rem;
            color: #34D399;
            margin-bottom: 16px;
        }

        .security-arch-card h3 {
            font-size: 1.15rem;
            color: #FFFFFF;
            margin-bottom: 12px;
            font-weight: 700;
        }

        .security-arch-card p {
            font-size: 0.85rem;
            color: #CBD5E1;
            line-height: 1.7;
        }

        /* 7. 全场景同步方案流程 4步 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-subtle);
            position: relative;
        }

        .step-num-pill {
            display: inline-block;
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green-dark);
            font-weight: 800;
            font-size: 0.9rem;
            width: 32px;
            height: 32px;
            line-height: 32px;
            text-align: center;
            border-radius: 50%;
            margin-bottom: 16px;
        }

        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 8. 真实用户实践故事 */
        .story-container {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }

        .story-showcase-card {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 36px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-card);
        }

        .story-user-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
        }

        .story-avatar-holder {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: rgba(16, 185, 129, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-green-dark);
            font-size: 1.3rem;
            font-weight: bold;
        }

        .story-quote {
            font-size: 0.98rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 24px;
            font-style: normal;
        }

        .story-contrast-box {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            border: 1px solid var(--border-light);
        }

        .contrast-item h4 {
            font-size: 0.85rem;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .contrast-before h4 { color: #DC2626; }
        .contrast-after h4 { color: var(--accent-green-dark); }
        .contrast-item p { font-size: 0.8rem; color: var(--text-muted); }

        .story-side-photo {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-soft);
        }

        .story-side-photo img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        /* 9. 关键数据统计条 */
        .metric-counter-band {
            background: linear-gradient(135deg, rgba(16, 185, 129, 0.08) 0%, rgba(5, 150, 105, 0.04) 100%);
            border-top: 1px solid rgba(16, 185, 129, 0.2);
            border-bottom: 1px solid rgba(16, 185, 129, 0.2);
            padding: 45px 0;
        }

        .metric-grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .metric-item-num {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-deep);
            line-height: 1.2;
            margin-bottom: 6px;
            font-feature-settings: "tnum";
        }

        .metric-item-label {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        /* 10. 用户反馈评价区 3列 */
        .testimonials-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 26px;
        }

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

        .review-stars {
            color: #F59E0B;
            font-size: 0.85rem;
            margin-bottom: 14px;
        }

        .review-text {
            font-size: 0.88rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .review-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }

        .review-author-avatar {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #E2E8F0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--text-heading);
            font-size: 0.85rem;
        }

        /* 11. 资讯动态卡片 */
        .digest-grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .digest-post-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-subtle);
            transition: var(--transition-smooth);
        }

        .digest-post-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }

        .digest-thumb {
            height: 190px;
            overflow: hidden;
        }

        .digest-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition-smooth);
        }

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

        .digest-body {
            padding: 24px;
        }

        .digest-tag-line {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            font-size: 0.78rem;
            color: var(--text-muted);
        }

        .digest-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            line-height: 1.4;
            margin-bottom: 10px;
        }

        .digest-body p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
        }

        .digest-more-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-green-dark);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 12. 认证标准与协议生态 */
        .partner-strip {
            display: flex;
            justify-content: space-around;
            align-items: center;
            flex-wrap: wrap;
            gap: 30px;
            padding: 25px 0;
            opacity: 0.85;
        }

        .partner-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-muted);
            letter-spacing: 0.02em;
        }

        .partner-brand i {
            font-size: 1.35rem;
            color: var(--accent-green-dark);
        }

        /* 13. FAQ 手风琴 */
        .faq-layout {
            display: grid;
            grid-template-columns: 1fr 1.6fr;
            gap: 50px;
        }

        .faq-accordion-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
        }

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            color: var(--text-heading);
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
            user-select: none;
        }

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

        .faq-icon-arrow {
            color: var(--accent-green-dark);
            transition: transform 0.25s ease;
        }

        details[open] .faq-icon-arrow {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 24px 22px 24px;
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.75;
            border-top: 1px solid #F1F5F9;
            padding-top: 14px;
        }

        /* 14. 终极转化与服务保障条 (收口行动) */
        .cta-bottom-band {
            padding: 80px 0;
            background: var(--bg-light);
        }

        .cta-inner-card {
            background: linear-gradient(135deg, #0D2B22 0%, #133E32 100%);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            color: #FFFFFF;
            text-align: center;
            box-shadow: 0 25px 50px -12px rgba(13, 43, 34, 0.35);
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(16, 185, 129, 0.3);
        }

        .cta-inner-card h2 {
            font-size: 2.25rem;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .cta-inner-card p {
            max-width: 680px;
            margin: 0 auto 36px auto;
            font-size: 1.05rem;
            color: #A7F3D0;
            line-height: 1.7;
        }

        .cta-form-row {
            display: flex;
            justify-content: center;
            gap: 14px;
            max-width: 520px;
            margin: 0 auto 30px auto;
        }

        .cta-input {
            flex: 1;
            padding: 14px 20px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            font-size: 0.95rem;
            outline: none;
        }

        .cta-input::placeholder {
            color: #CBD5E1;
        }

        .cta-input:focus {
            background: rgba(255, 255, 255, 0.18);
            border-color: #34D399;
        }

        .cta-submit-btn {
            padding: 14px 28px;
            background: var(--brand-gradient);
            color: #FFFFFF;
            border-radius: 999px;
            font-weight: 700;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
            white-space: nowrap;
        }

        .cta-submit-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(16, 185, 129, 0.4);
        }

        .cta-guarantee-list {
            display: flex;
            justify-content: center;
            gap: 28px;
            font-size: 0.82rem;
            color: #94A3B8;
        }

        .cta-guarantee-list span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-guarantee-list i {
            color: #34D399;
        }

        /* 全局页脚 */
        .site-footer {
            background-color: var(--primary-deep);
            color: #94A3B8;
            padding: 70px 0 25px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.88rem;
        }

        .footer-grid-4 {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: -0.01em;
        }

        .footer-links-list li {
            margin-bottom: 12px;
        }

        .footer-links-list a:hover {
            color: #34D399;
            padding-left: 4px;
        }

        .footer-bottom-bar {
            padding-top: 25px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.8rem;
        }

        .footer-legal-tag {
            color: #64748B;
        }

        /* 响应式断点优化 */
        @media (max-width: 1024px) {
            .hero-matrix-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .portal-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .features-grid-6 {
                grid-template-columns: repeat(2, 1fr);
            }
            .suite-grid-3 {
                grid-template-columns: repeat(1, 1fr);
            }
            .workflow-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .faq-layout {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 20px;
                box-shadow: 0 10px 25px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--border-light);
            }
            .nav-menu.active {
                display: flex;
            }
            .mobile-nav-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro-wrap {
                grid-template-columns: 1fr;
            }
            .features-grid-6 {
                grid-template-columns: 1fr;
            }
            .security-arch-grid {
                grid-template-columns: 1fr;
            }
            .workflow-timeline {
                grid-template-columns: 1fr;
            }
            .story-container {
                grid-template-columns: 1fr;
            }
            .metric-grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 30px;
            }
            .testimonials-grid-3 {
                grid-template-columns: 1fr;
            }
            .digest-grid-3 {
                grid-template-columns: 1fr;
            }
            .footer-grid-4 {
                grid-template-columns: 1fr;
            }
            .footer-bottom-bar {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
            .cta-form-row {
                flex-direction: column;
            }
            .cta-guarantee-list {
                flex-direction: column;
                align-items: center;
                gap: 10px;
            }
        }