/* roulang page: index */
/* 全局设计变量与视觉系统 */
        :root {
            --primary-color: #0A4D68;
            --primary-dark: #083A4F;
            --primary-light: #0E6B90;
            --accent-green: #05BFDB;
            --accent-orange: #FF6B00;
            --accent-orange-hover: #E05E00;
            --bg-main: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-dark: #081A2A;
            --bg-dark-card: #0F283F;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --text-white: #FFFFFF;
            --border-color: rgba(226, 232, 240, 0.85);
            --border-dark: rgba(255, 255, 255, 0.12);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 24px -4px rgba(10, 77, 104, 0.08);
            --shadow-lg: 0 16px 36px -6px rgba(10, 77, 104, 0.14);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-full: 9999px;
            --transition: all 0.28s 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", "Heiti SC", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }

        /* 容器与布局 */
        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .section-padding {
            padding-top: 88px;
            padding-bottom: 88px;
        }

        .section-alt {
            background-color: var(--bg-white);
        }

        .section-header {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(5, 191, 219, 0.12);
            color: var(--primary-color);
            font-weight: 600;
            font-size: 0.875rem;
            border-radius: var(--radius-full);
            margin-bottom: 14px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 统一按钮样式 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            font-weight: 600;
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--accent-orange);
            color: var(--text-white);
            box-shadow: 0 4px 14px rgba(255, 107, 0, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-orange-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 107, 0, 0.45);
        }

        .btn-outline {
            border-color: rgba(255, 255, 255, 0.5);
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(8px);
        }

        .btn-outline:hover {
            background: var(--text-white);
            color: var(--primary-color);
            border-color: var(--text-white);
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: var(--primary-color);
            color: var(--text-white);
        }

        .btn-secondary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* 顶部双行导航系统 */
        .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-color);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
        }

        .top-info-bar {
            background: #08283B;
            color: #CBD5E1;
            font-size: 0.8125rem;
            padding: 6px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-info-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .top-info-list {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .top-info-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .top-info-item svg {
            width: 14px;
            height: 14px;
            fill: var(--accent-green);
        }

        .main-navbar {
            padding: 14px 0;
        }

        .navbar-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary-color);
            letter-spacing: -0.5px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--primary-color), var(--accent-green));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #FFF;
            box-shadow: 0 4px 10px rgba(10, 77, 104, 0.25);
        }

        .logo-icon svg {
            width: 22px;
            height: 22px;
            fill: currentColor;
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 24px;
            align-items: center;
        }

        .nav-item a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-body);
            padding: 6px 4px;
            position: relative;
        }

        .nav-item a:hover {
            color: var(--primary-color);
        }

        .nav-item a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-green);
            transition: var(--transition);
        }

        .nav-item a:hover::after {
            width: 100%;
        }

        .nav-cta {
            padding: 10px 22px;
            font-size: 0.9rem;
        }

        /* 移动端菜单控制按钮 */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            color: var(--primary-color);
        }

        /* 模块一：Hero 大图轮播与众筹预热转化区 */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(8, 26, 42, 0.94) 0%, rgba(10, 77, 104, 0.88) 100%),
                        url('/assets/images/c87fa9b4fbaf144e.webp') center/cover no-repeat;
            color: var(--text-white);
            padding: 96px 0 90px;
            overflow: hidden;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.25fr 0.95fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.75rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 22px;
            letter-spacing: -0.5px;
        }

        .hero-content p {
            font-size: 1.125rem;
            line-height: 1.85;
            color: #E2E8F0;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-action-group {
            display: flex;
            gap: 16px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .hero-badges-strip {
            display: flex;
            gap: 24px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-badge-item {
            display: flex;
            flex-direction: column;
        }

        .hero-badge-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.2;
        }

        .hero-badge-desc {
            font-size: 0.825rem;
            color: #94A3B8;
        }

        /* Hero 众筹预热目标进度环卡片 */
        .crowdfund-card {
            background: rgba(15, 40, 63, 0.85);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: var(--radius-lg);
            padding: 34px;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
        }

        .crowdfund-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
        }

        .crowdfund-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFF;
        }

        .crowdfund-tag {
            background: rgba(5, 191, 219, 0.2);
            color: var(--accent-green);
            border: 1px solid rgba(5, 191, 219, 0.4);
            padding: 4px 10px;
            font-size: 0.75rem;
            font-weight: 600;
            border-radius: var(--radius-full);
        }

        .progress-ring-box {
            display: flex;
            align-items: center;
            gap: 28px;
            margin-bottom: 28px;
        }

        .circular-progress {
            position: relative;
            width: 110px;
            height: 110px;
            border-radius: 50%;
            background: conic-gradient(var(--accent-green) 310deg, rgba(255, 255, 255, 0.1) 0deg);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .circular-progress::before {
            content: "";
            position: absolute;
            width: 86px;
            height: 86px;
            background: #0F283F;
            border-radius: 50%;
        }

        .progress-val {
            position: relative;
            font-size: 1.45rem;
            font-weight: 800;
            color: #FFF;
        }

        .progress-meta h4 {
            font-size: 1.1rem;
            margin-bottom: 6px;
            color: #F8FAFC;
        }

        .progress-meta p {
            font-size: 0.875rem;
            color: #94A3B8;
            line-height: 1.6;
        }

        .tier-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }

        .tier-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .tier-name {
            font-weight: 600;
            font-size: 0.925rem;
            color: #F1F5F9;
        }

        .tier-quota {
            font-size: 0.8rem;
            color: var(--accent-orange);
            font-weight: 600;
        }

        /* 模块二：试点接入倒计时板块 */
        .countdown-section {
            background: #082335;
            color: var(--text-white);
            padding: 38px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .countdown-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 24px;
        }

        .countdown-info h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: #FFF;
        }

        .countdown-info p {
            font-size: 0.875rem;
            color: #94A3B8;
        }

        .countdown-timer-group {
            display: flex;
            gap: 14px;
        }

        .timer-box {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            text-align: center;
            min-width: 64px;
        }

        .timer-number {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--accent-green);
            line-height: 1.1;
        }

        .timer-label {
            font-size: 0.725rem;
            color: #CBD5E1;
            margin-top: 2px;
        }

        /* 模块三：系统架构与核心亮点墙 */
        .architecture-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 48px;
        }        .arch-layer-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }

        .arch-layer-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-left: 5px solid var(--primary-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .arch-layer-card:hover {
            transform: translateX(6px);
            border-left-color: var(--accent-orange);
            box-shadow: var(--shadow-md);
        }

        .arch-layer-card h4 {
            font-size: 1.15rem;
            color: var(--text-heading);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .arch-layer-card p {
            font-size: 0.925rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(5, 191, 219, 0.4);
        }

        .feature-icon-box {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(10, 77, 104, 0.08);
            color: var(--primary-color);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .feature-card:hover .feature-icon-box {
            background: var(--primary-color);
            color: #FFF;
        }

        .feature-icon-box svg {
            width: 26px;
            height: 26px;
            fill: currentColor;
        }

        .feature-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .feature-card p {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.75;
            flex-grow: 1;
        }

        /* 模块四：支持档位与方案对比区 */
        .packages-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            align-items: stretch;
        }

        .package-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            position: relative;
            transition: var(--transition);
        }

        .package-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .package-card.recommended {
            border: 2px solid var(--primary-color);
            box-shadow: 0 12px 30px rgba(10, 77, 104, 0.12);
        }

        .package-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent-orange);
            color: #FFF;
            padding: 4px 16px;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .package-name {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .package-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 24px;
            min-height: 48px;
        }

        .package-meta {
            padding: 16px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 24px;
        }

        .package-type {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary-color);
        }

        .package-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 32px;
            flex-grow: 1;
        }

        .package-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.925rem;
            color: var(--text-body);
        }

        .package-item svg {
            width: 18px;
            height: 18px;
            fill: var(--accent-green);
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* 模块五：数字化大屏理念区 (深色模式) */
        .dark-dashboard-section {
            background-color: var(--bg-dark);
            color: var(--text-white);
            position: relative;
            overflow: hidden;
        }

        .dark-dashboard-section::before {
            content: '';
            position: absolute;
            top: -200px;
            right: -200px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(5, 191, 219, 0.12) 0%, rgba(8, 26, 42, 0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .dashboard-mockup {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 24px 60px rgba(0, 0, 0, 0.5);
            margin-top: 40px;
        }

        .mockup-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 18px;
            border-bottom: 1px solid var(--border-dark);
            margin-bottom: 24px;
        }

        .mockup-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--accent-green);
        }

        .pulse-dot {
            width: 10px;
            height: 10px;
            background: #10B981;
            border-radius: 50%;
            box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
            70% { box-shadow: 0 0 0 10px rgba(16, 185, 129, 0); }
            100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
        }

        .mockup-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-bottom: 28px;
        }

        .metric-tile {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 18px;
        }

        .metric-tile-title {
            font-size: 0.825rem;
            color: #94A3B8;
            margin-bottom: 8px;
        }

        .metric-tile-val {
            font-size: 1.75rem;
            font-weight: 800;
            color: #FFF;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .metric-tile-unit {
            font-size: 0.875rem;
            font-weight: 400;
            color: var(--accent-green);
        }

        .mockup-visual-wrap {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 24px;
        }

        .mockup-chart-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 20px;
            min-height: 240px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .chart-sim-bars {
            display: flex;
            align-items: flex-end;
            gap: 14px;
            height: 150px;
            padding-top: 20px;
        }

        .bar-col {
            flex: 1;
            background: rgba(5, 191, 219, 0.35);
            border-radius: 4px 4px 0 0;
            transition: var(--transition);
            position: relative;
        }

        .bar-col:hover {
            background: var(--accent-green);
        }

        .mockup-logs-box {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 20px;
        }

        .log-entry {
            font-size: 0.8rem;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: #CBD5E1;
            display: flex;
            justify-content: space-between;
        }

        .log-entry:last-child {
            border-bottom: none;
        }

        /* 模块六：实施步骤与落地路径 */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-node {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: var(--transition);
        }

        .step-node:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-color);
        }

        .step-order {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: var(--primary-color);
            color: #FFF;
            font-size: 1.15rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 18px;
        }

        .step-node h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .step-node p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.65;
            margin: 0;
        }

        /* 模块七：场景演示与前后对比 */
        .scenarios-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .scenario-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .scenario-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .scenario-thumb {
            height: 200px;
            position: relative;
            overflow: hidden;
        }

        .scenario-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .scenario-card:hover .scenario-thumb img {
            transform: scale(1.05);
        }

        .scenario-body {
            padding: 28px 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .scenario-body h4 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .scenario-body p {
            font-size: 0.925rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .scenario-stat-pill {
            background: #F1F5F9;
            border-radius: var(--radius-md);
            padding: 10px 14px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            font-weight: 600;
        }

        .scenario-stat-pill span {
            color: var(--accent-orange);
            font-weight: 700;
        }

        /* 模块八：关键数据成效统计条 */
        .metrics-bar-section {
            background: linear-gradient(135deg, var(--primary-color) 0%, #054C68 100%);
            color: #FFF;
            padding: 64px 0;
        }

        .metrics-flex {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .metric-unit-item {
            position: relative;
        }

        .metric-unit-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -16px;
            top: 20%;
            height: 60%;
            width: 1px;
            background: rgba(255, 255, 255, 0.2);
        }

        .metric-big-num {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-green);
            line-height: 1.1;
            margin-bottom: 8px;
            font-feature-settings: "tnum";
        }

        .metric-big-title {
            font-size: 1.05rem;
            font-weight: 600;
            color: #F8FAFC;
            margin-bottom: 4px;
        }

        .metric-big-desc {
            font-size: 0.85rem;
            color: #CBD5E1;
        }

        /* 模块九：资讯解析与标准指南 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .news-thumb {
            height: 190px;
            overflow: hidden;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-body h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 12px;
            line-height: 1.45;
        }

        .news-body p {
            font-size: 0.9rem;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }

        /* 模块十：口碑见证与同行评价 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .testi-card {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition);
            position: relative;
        }

        .testi-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .testi-quote-icon {
            font-size: 2.5rem;
            line-height: 1;
            color: rgba(5, 191, 219, 0.25);
            margin-bottom: 12px;
            font-family: Georgia, serif;
        }

        .testi-text {
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .testi-author {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid var(--border-color);
            padding-top: 18px;
        }

        .author-avatar {
            width: 46px;
            height: 46px;
            border-radius: var(--radius-full);
            background: var(--primary-light);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
        }

        .author-meta h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 2px;
        }

        .author-meta p {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* 模块十一：异议拆解 FAQ 手风琴 */
        .faq-accordion-wrap {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            outline: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-heading);
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary-color);
        }

        .faq-icon {
            width: 22px;
            height: 22px;
            transition: transform 0.3s ease;
            fill: var(--primary-color);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
            background: #FAFBFD;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            font-size: 0.95rem;
            color: var(--text-body);
            line-height: 1.8;
            border-top: 1px dashed var(--border-color);
            padding-top: 16px;
        }

        /* 模块十二：服务交付保障承诺条 */
        .trust-strip-section {
            background: #F1F5F9;
            padding: 44px 0;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .trust-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .trust-icon-box {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: var(--primary-color);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .trust-icon-box svg {
            width: 24px;
            height: 24px;
            fill: currentColor;
        }

        .trust-item-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 2px;
        }

        .trust-item-desc {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin: 0;
        }

        /* 模块十三：线索接入转化区 (表单) */
        .lead-form-card {
            background: linear-gradient(135deg, #0A4D68 0%, #082335 100%);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            color: var(--text-white);
            box-shadow: var(--shadow-lg);
            max-width: 960px;
            margin: 0 auto;
        }

        .lead-form-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 36px;
        }

        .form-full-col {
            grid-column: span 2;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-label {
            font-size: 0.875rem;
            font-weight: 600;
            color: #E2E8F0;
        }

        .form-input {
            width: 100%;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.25);
            background: rgba(255, 255, 255, 0.08);
            color: #FFF;
            font-size: 0.95rem;
            outline: none;
            transition: var(--transition);
        }

        .form-input:focus {
            border-color: var(--accent-green);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 3px rgba(5, 191, 219, 0.25);
        }

        .form-input::placeholder {
            color: #94A3B8;
        }

        select.form-input option {
            background: #082335;
            color: #FFF;
        }

        .form-privacy-note {
            font-size: 0.8rem;
            color: #94A3B8;
            margin-top: 14px;
            text-align: center;
        }

        /* 全局悬浮转化条 */
        .sticky-action-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 990;
            background: rgba(8, 26, 42, 0.95);
            backdrop-filter: blur(12px);
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding: 12px 0;
            box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.25);
        }

        .sticky-bar-flex {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
        }

        .sticky-left-info {
            display: flex;
            align-items: center;
            gap: 16px;
            color: #FFF;
        }

        .sticky-hotline {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--accent-green);
            letter-spacing: 0.5px;
        }

        .sticky-btns-group {
            display: flex;
            gap: 12px;
        }

        /* 页脚规范 Footer */
        .site-footer {
            background: #051421;
            color: #94A3B8;
            padding-top: 64px;
            padding-bottom: 96px; /* 为浮动条留出空间 */
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand h4 {
            font-size: 1.25rem;
            color: #FFF;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #F1F5F9;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }

        .footer-contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact-item {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }

        .footer-contact-item svg {
            width: 18px;
            height: 18px;
            fill: var(--accent-green);
            flex-shrink: 0;
            margin-top: 4px;
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.85rem;
        }

        .footer-copy {
            color: #64748B;
        }

        /* 响应式断点适配 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .architecture-grid {
                grid-template-columns: 1fr;
            }
            .features-grid,
            .packages-grid,
            .scenarios-grid,
            .news-grid,
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-flow {
                grid-template-columns: repeat(2I need to define the rest of the CSS grid structure. I will add the necessary styling to create a two-column layout that will then house the data. Next is styling the data entries within that grid.

, 1fr);
  grid-gap: 10px;
}

.data-entry {
  border: 1px solid #ccc;
  padding: 10px;
  text-align: center;
}
