/* roulang page: index */
:root {
            --primary: #1A56DB;
            --primary-hover: #1442af;
            --accent-start: #0284C7;
            --accent-end: #06B6D4;
            --accent-warm: #F97316;
            --bg-page: #F8FAFC;
            --bg-white: #FFFFFF;
            --bg-dark: #0B132B;
            --bg-dark-card: #1C2541;
            --text-heading: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-light: #E2E8F0;
            --border-dark: rgba(255, 255, 255, 0.12);
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --radius-full: 9999px;
            --shadow-subtle: 0 4px 20px -2px rgba(15, 23, 42, 0.04);
            --shadow-card: 0 12px 30px -4px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 20px 35px -6px rgba(2, 132, 199, 0.18);
            --transition-default: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-page);
            color: var(--text-body);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 顶部两段式 Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-light);
        }

        .header-topbar {
            background-color: #F1F5F9;
            font-size: 0.8125rem;
            color: var(--text-muted);
            padding: 6px 0;
            border-bottom: 1px solid rgba(0,0,0,0.03);
        }

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

        .topbar-left, .topbar-right {
            display: flex;
            gap: 20px;
            align-items: center;
        }

        .header-main {
            padding: 14px 0;
        }

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

        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: -0.5px;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            box-shadow: 0 4px 12px rgba(2, 132, 199, 0.3);
        }

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

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-body);
        }

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

        .header-cta-btn {
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            color: #fff !important;
            padding: 9px 22px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(2, 132, 199, 0.25);
        }

        .header-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(2, 132, 199, 0.35);
        }

        /* 移动端汉堡按钮 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--text-heading);
        }

        /* 通用板块标准 */
        section {
            padding: 90px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 56px auto;
        }

        .section-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 16px;
            background: #E0F2FE;
            color: var(--accent-start);
            border-radius: var(--radius-full);
            font-size: 0.8125rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--text-heading);
            letter-spacing: -0.5px;
            line-height: 1.25;
            margin-bottom: 16px;
        }

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

        /* 板块一：Hero新品发布与倒计时环 */
        .section-hero {
            position: relative;
            background-color: #F0F9FF;
            padding: 80px 0 100px;
            overflow: hidden;
        }

        .hero-bg-layer {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/b6128d85aad296b5.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content h1 {
            font-size: 3rem;
            font-weight: 850;
            color: var(--text-heading);
            line-height: 1.18;
            letter-spacing: -1px;
            margin-bottom: 22px;
        }

        .hero-lead {
            font-size: 1.1rem;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 34px;
        }

        .hero-action-row {
            display: flex;
            align-items: center;
            gap: 18px;
            margin-bottom: 40px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 34px;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            color: #ffffff;
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
            box-shadow: 0 10px 25px -4px rgba(2, 132, 199, 0.35);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px -4px rgba(2, 132, 199, 0.45);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 14px 30px;
            background: #FFFFFF;
            color: var(--text-heading);
            font-weight: 700;
            font-size: 1.05rem;
            border-radius: var(--radius-full);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
        }

        .btn-secondary:hover {
            background: #F8FAFC;
            border-color: #CBD5E1;
        }

        .hero-countdown-panel {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            padding: 34px;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(226, 232, 240, 0.8);
            position: relative;
        }

        .countdown-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--accent-warm);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
            text-transform: uppercase;
        }

        .countdown-digits {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 12px;
            text-align: center;
            margin-bottom: 24px;
        }

        .digit-box {
            background: #F8FAFC;
            padding: 14px 8px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
        }

        .digit-val {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-heading);
            line-height: 1;
            font-variant-numeric: tabular-nums;
        }

        .digit-lbl {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .hero-feature-ticks {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-size: 0.92rem;
            color: var(--text-body);
        }

        .hero-feature-ticks li {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .tick-icon {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: #DCFCE7;
            color: #16A34A;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 800;
            flex-shrink: 0;
        }

        /* 板块二：KPI 核心数据看板 */
        .section-kpi {
            padding: 40px 0;
            background: #FFFFFF;
            border-bottom: 1px solid var(--border-light);
        }

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

        .kpi-card {
            padding: 24px 20px;
            border-radius: var(--radius-lg);
            background: #F8FAFC;
            border: 1px solid #EDF2F7;
            text-align: center;
            transition: var(--transition-default);
        }

        .kpi-card:hover {
            background: #FFFFFF;
            box-shadow: var(--shadow-subtle);
            border-color: var(--accent-start);
        }

        .kpi-number {
            font-size: 2.3rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--primary), var(--accent-end));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 6px;
            line-height: 1.1;
        }

        .kpi-label {
            font-size: 0.92rem;
            font-weight: 700;
            color: var(--text-heading);
            margin-bottom: 4px;
        }

        .kpi-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 板块三：服务矩阵（6卡片） */
        .section-services {
            background: #F8FAFC;
        }

        .services-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
        }

        .service-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 34px 28px;
            box-shadow: var(--shadow-subtle);
            border: 1px solid var(--border-light);
            transition: var(--transition-default);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(2, 132, 199, 0.3);
        }

        .service-icon-box {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: #E0F2FE;
            color: var(--accent-start);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 22px;
            font-weight: 800;
        }

        .service-card h3 {
            font-size: 1.25rem;
            font-weight: 750;
            color: var(--text-heading);
            margin-bottom: 12px;
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.65;
            flex-grow: 1;
        }

        /* 板块四：产品版本与解决方案（3大卡片） */
        .section-solutions {
            background: #FFFFFF;
        }

        .solution-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .solution-card {
            border-radius: var(--radius-xl);
            padding: 38px 30px;
            border: 1px solid var(--border-light);
            background: #FAFCFF;
            transition: var(--transition-default);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .solution-card.highlight {
            background: #FFFFFF;
            border: 2px solid var(--accent-start);
            box-shadow: var(--shadow-card);
        }

        .solution-badge {
            position: absolute;
            top: 20px;
            right: 24px;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            color: #fff;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 700;
        }

        .solution-title {
            font-size: 1.45rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 8px;
        }

        .solution-sub {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 24px;
        }

        .solution-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 30px;
            flex-grow: 1;
        }

        .solution-list li {
            font-size: 0.92rem;
            color: var(--text-body);
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .solution-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--accent-start);
            margin-top: 8px;
            flex-shrink: 0;
        }

        /* 板块五：深色案例与运转架构（反色） */
        .section-deep-concept {
            background: var(--bg-dark);
            color: #E2E8F0;
            padding: 100px 0;
        }

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

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

        .concept-chain {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            margin-top: 40px;
        }

        .concept-step {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            padding: 36px 28px;
            border-radius: var(--radius-lg);
            position: relative;
        }

        .step-index {
            font-size: 2.5rem;
            font-weight: 900;
            color: rgba(6, 182, 212, 0.25);
            line-height: 1;
            margin-bottom: 14px;
        }

        .step-name {
            font-size: 1.3rem;
            font-weight: 750;
            color: #FFFFFF;
            margin-bottom: 12px;
        }

        .step-desc {
            font-size: 0.92rem;
            color: #94A3B8;
            line-height: 1.7;
        }

        /* 板块六：技术深度解析区（非对称图文） */
        .section-deep-tech {
            background: #FFFFFF;
        }

        .tech-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .tech-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
        }

        .tech-image-wrap img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .tech-content h3 {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text-heading);
            margin-bottom: 18px;
            line-height: 1.3;
        }

        .tech-metric-box {
            background: #F0F9FF;
            border-left: 4px solid var(--accent-start);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 22px 0;
        }

        .tech-metric-box p {
            font-size: 0.92rem;
            color: #0369A1;
            font-weight: 600;
            line-height: 1.6;
        }

        /* 板块七：典型场景故事体验 */
        .section-stories {
            background: #F8FAFC;
        }

        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }

        .story-card {
            background: #FFFFFF;
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-subtle);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

        .story-img {
            height: 240px;
            width: 100%;
            object-fit: cover;
        }

        .story-body {
            padding: 30px;
        }

        .story-tag {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--accent-start);
            background: #E0F2FE;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            display: inline-block;
            margin-bottom: 12px;
        }

        .story-title {
            font-size: 1.25rem;
            font-weight: 750;
            color: var(--text-heading);
            margin-bottom: 10px;
        }

        .story-desc {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块八：结果对比与传统漫游差异 */
        .section-compare {
            background: #FFFFFF;
        }

        .compare-table-wrapper {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-subtle);
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
            min-width: 600px;
        }

        .compare-table th, .compare-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-light);
        }

        .compare-table th {
            background: #F8FAFC;
            font-weight: 750;
            color: var(--text-heading);
            font-size: 0.95rem;
        }

        .compare-table td {
            font-size: 0.92rem;
            color: var(--text-body);
        }

        .compare-table tr:last-child td {
            border-bottom: none;
        }

        .highlight-col {
            background: rgba(2, 132, 199, 0.04);
            font-weight: 700;
            color: var(--accent-start) !important;
        }

        /* 板块九：用户与机构评价墙 */
        .section-reviews {
            background: #F8FAFC;
        }

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

        .review-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 30px;
            box-shadow: var(--shadow-subtle);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .review-quote {
            font-size: 0.94rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 22px;
        }

        .reviewer-info {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .reviewer-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent-start), var(--accent-end));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .reviewer-meta h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-heading);
        }

        .reviewer-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 板块十：文旅AI资讯与公告 */
        .section-news {
            background: #FFFFFF;
        }

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

        .news-card {
            background: #FAFCFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            padding: 26px;
            display: flex;
            flex-direction: column;
            transition: var(--transition-default);
        }

        .news-card:hover {
            transform: translateY(-4px);
            border-color: var(--accent-start);
            box-shadow: var(--shadow-subtle);
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--accent-start);
            font-weight: 700;
            margin-bottom: 10px;
        }

        .news-card h3 {
            font-size: 1.12rem;
            font-weight: 750;
            color: var(--text-heading);
            margin-bottom: 12px;
            line-height: 1.45;
        }

        .news-card p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.65;
            flex-grow: 1;
            margin-bottom: 16px;
        }

        .news-link {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* 板块十一：常见问题 FAQ */
        .section-faq {
            background: #F8FAFC;
        }

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

        .faq-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition-default);
        }

        .faq-item.active {
            border-color: var(--accent-start);
            box-shadow: var(--shadow-subtle);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            font-size: 1.05rem;
            font-weight: 750;
            color: var(--text-heading);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .faq-icon {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: #F1F5F9;
            font-size: 1.1rem;
            color: var(--text-muted);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
            background: #E0F2FE;
            color: var(--accent-start);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
            padding: 0 24px;
            background: #FFFFFF;
        }

        .faq-item.active .faq-answer {
            padding: 0 24px 22px 24px;
        }

        .faq-answer p {
            font-size: 0.94rem;
            color: var(--text-body);
            line-height: 1.7;
            margin: 0;
        }

        /* 板块十二：生态合作与收口下载转化 */
        .section-cta-partners {
            background: #FFFFFF;
            padding: 80px 0 100px 0;
        }

        .partners-wrap {
            text-align: center;
            margin-bottom: 70px;
        }

        .partners-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 26px;
        }

        .partners-grid {
            display: flex;
            justify-content: center;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px 40px;
        }

        .partner-badge {
            background: #F8FAFC;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-full);
            padding: 10px 24px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .cta-banner {
            background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            color: #FFFFFF;
            position: relative;
            overflow: hidden;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            align-items: center;
            gap: 40px;
            box-shadow: var(--shadow-card);
        }

        .cta-banner::before {
            content: "";
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(circle, rgba(2, 132, 199, 0.25) 0%, transparent 60%);
            pointer-events: none;
        }

        .cta-text h2 {
            font-size: 2.2rem;
            font-weight: 850;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .cta-text p {
            font-size: 1.05rem;
            color: #94A3B8;
            line-height: 1.7;
            margin-bottom: 28px;
        }

        .cta-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .cta-qr-box {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 24px;
            border-radius: var(--radius-lg);
            text-align: center;
            backdrop-filter: blur(8px);
        }

        .cta-qr-box img {
            width: 140px;
            height: 140px;
            margin: 0 auto 14px auto;
            border-radius: 12px;
            background: #FFFFFF;
            padding: 8px;
        }

        .cta-qr-box span {
            font-size: 0.82rem;
            color: #CBD5E1;
            display: block;
        }

        /* 统一页脚 Footer */
        .site-footer {
            background: #0B132B;
            color: #94A3B8;
            padding: 70px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h4 {
            font-size: 1.25rem;
            font-weight: 800;
            color: #FFFFFF;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            color: #94A3B8;
        }

        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #F8FAFC;
            margin-bottom: 18px;
        }

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

        .footer-links a:hover {
            color: #38BDF8;
        }

        .footer-contact li {
            list-style: none;
            margin-bottom: 10px;
            line-height: 1.6;
        }

        .footer-bottom {
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            text-align: center;
            font-size: 0.8125rem;
            color: #64748B;
        }

        .footer-bottom p {
            margin-bottom: 6px;
        }

        /* 移动端响应式断点 */
        @media (max-width: 1024px) {
            .services-grid, .concept-chain, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .kpi-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-banner {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .cta-actions {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .header-topbar {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                box-shadow: 0 10px 20px rgba(0,0,0,0.1);
                border-bottom: 1px solid var(--border-light);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                font-size: 1.05rem;
                padding: 8px 0;
                width: 100%;
            }
            .header-cta-btn {
                display: none;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .services-grid, .solution-grid, .concept-chain, .tech-layout, .stories-grid, .reviews-grid, .news-grid {
                grid-template-columns: 1fr;
            }
            .kpi-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            section {
                padding: 60px 0;
            }
            .section-title {
                font-size: 1.8rem;
            }
        }