/* roulang page: index */
:root {
            --bg-deep: #030712;
            --bg-dark: #0a1128;
            --bg-card: rgba(15, 23, 42, 0.78);
            --border-glow: rgba(14, 165, 233, 0.25);
            --border-subtle: rgba(255, 255, 255, 0.12);
            --primary: #0ea5e9;
            --cyan: #06b6d4;
            --accent-purple: #8b5cf6;
            --accent-green: #10b981;
            --text-main: #ffffff;
            --text-muted: #94a3b8;
            --text-sub: #64748b;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --container-max: 1280px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", Roboto, "Microsoft YaHei", sans-serif;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            outline: none;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-family: var(--font-family);
            -webkit-font-smoothing: antialiased;
        }

        body {
            line-height: 1.7;
            overflow-x: hidden;
            background: linear-gradient(180deg, var(--bg-deep) 0%, #060d24 50%, var(--bg-deep) 100%);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: all 0.3s ease;
        }

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

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

        /* 顶部通栏与主导航 */
        .top-bar {
            background-color: rgba(3, 7, 18, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-sub);
            padding: 8px 0;
        }
        .top-bar-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .top-meta {
            display: flex;
            gap: 24px;
        }
        .top-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .header-sticky {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(10, 17, 40, 0.85);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            transition: all 0.3s ease;
        }
        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 76px;
        }
        .brand-logo {
            font-size: 22px;
            font-weight: 800;
            background: linear-gradient(135deg, #ffffff 20%, var(--cyan) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.5px;
        }
        .brand-logo::before {
            content: '';
            display: inline-block;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 3px;
            box-shadow: 0 0 12px var(--cyan);
        }
        .nav-menu {
            display: flex;
            gap: 32px;
            list-style: none;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 6px 0;
        }
        .nav-link:hover, .nav-link.active {
            color: #ffffff;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--cyan);
            box-shadow: 0 0 8px var(--cyan);
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #ffffff;
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid rgba(255,255,255,0.2);
            box-shadow: 0 0 18px rgba(6, 182, 212, 0.45);
            cursor: pointer;
            transition: all 0.3s;
        }
        .nav-cta-btn:hover {
            box-shadow: 0 0 25px rgba(14, 165, 233, 0.7);
            transform: translateY(-2px);
        }

        /* 移动端菜单控制 */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #ffffff;
            font-size: 24px;
            cursor: pointer;
        }

        /* 通用板块与排版 */
        section {
            padding: 104px 0;
            position: relative;
        }
        .section-header {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 64px auto;
        }
        .section-tag {
            display: inline-block;
            background: rgba(14, 165, 233, 0.12);
            border: 1px solid var(--border-glow);
            color: var(--cyan);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 18px;
            background: linear-gradient(180deg, #ffffff 0%, #cbd5e1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 玻璃拟态卡片 */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 32px;
            transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: rgba(14, 165, 233, 0.45);
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 25px rgba(14, 165, 233, 0.25);
            transform: translateY(-4px);
        }

        /* Section 1: Hero 本地感首屏 */
        .hero-section {
            position: relative;
            padding: 120px 0 140px 0;
            background: radial-gradient(circle at 50% 20%, rgba(14, 165, 233, 0.18) 0%, rgba(3, 7, 18, 0) 70%), url('/assets/images/403e38c97645760d.png') center/cover no-repeat;
            border-bottom: 1px solid var(--border-subtle);
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(3, 7, 18, 0.85) 0%, rgba(3, 7, 18, 0.95) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 980px;
            margin: 0 auto;
            text-align: center;
        }
        .hero-badge-strip {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .hero-pill {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 13px;
            color: #e2e8f0;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .hero-pill i {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-green);
            display: inline-block;
            box-shadow: 0 0 8px var(--accent-green);
        }
        .hero-title {
            font-size: 48px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.5px;
            margin-bottom: 24px;
            color: #ffffff;
        }
        .hero-title span {
            background: linear-gradient(135deg, var(--cyan), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .hero-intro {
            font-size: 18px;
            color: #cbd5e1;
            margin-bottom: 36px;
            line-height: 1.85;
            max-width: 860px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-action-group {
            display: flex;
            justify-content: center;
            gap: 18px;
            margin-bottom: 50px;
            flex-wrap: wrap;
        }
        .btn-glow {
            background: linear-gradient(135deg, var(--primary) 0%, var(--cyan) 100%);
            color: #ffffff;
            font-weight: 700;
            padding: 16px 36px;
            border-radius: 50px;
            box-shadow: 0 0 24px rgba(6, 182, 212, 0.5);
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }
        .btn-glow:hover {
            box-shadow: 0 0 35px rgba(14, 165, 233, 0.8);
            transform: translateY(-2px);
        }
        .btn-outline-glass {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            font-weight: 600;
            padding: 16px 32px;
            border-radius: 50px;
            backdrop-filter: blur(8px);
        }
        .btn-outline-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #ffffff;
        }
        .hero-city-stations {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: 20px;
        }
        .station-card {
            background: rgba(15, 23, 42, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .station-card:hover {
            border-color: var(--cyan);
            background: rgba(14, 165, 233, 0.12);
        }
        .station-name {
            font-size: 14px;
            font-weight: 600;
            color: #ffffff;
        }
        .station-status {
            font-size: 12px;
            color: var(--accent-green);
        }

        /* Section 2: 合集目录 */
        .catalog-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .catalog-item {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .catalog-thumb {
            height: 180px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 20px;
            position: relative;
        }
        .catalog-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .catalog-item:hover .catalog-thumb img {
            transform: scale(1.05);
        }
        .catalog-code {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(3, 7, 18, 0.75);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
            color: var(--cyan);
            border: 1px solid var(--border-glow);
        }
        .catalog-title {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #ffffff;
        }
        .catalog-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .catalog-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: var(--text-sub);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 14px;
        }

        /* Section 3: 技术底座架构与硬核指标 */
        .tech-arch-wrapper {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 40px;
            align-items: center;
        }
        .tech-left-content h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.35;
        }
        .tech-spec-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 24px;
        }
        .tech-spec-table td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 14px;
        }
        .tech-spec-table td.label {
            color: var(--text-sub);
            width: 35%;
        }
        .tech-spec-table td.value {
            color: #ffffff;
            font-weight: 600;
        }
        .tech-visual-frame {
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-glow);
            position: relative;
        }
        .tech-visual-frame img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        /* Section 4: 优势矩阵 */
        .advantage-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .adv-card {
            border-left: 3px solid var(--primary);
        }
        .adv-badge {
            font-size: 12px;
            font-weight: 700;
            color: var(--cyan);
            margin-bottom: 10px;
            display: block;
        }
        .adv-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #ffffff;
        }
        .adv-text {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Section 5: 相关推荐与沉浸运动舱 */
        .cabin-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .cabin-card {
            display: flex;
            flex-direction: column;
        }
        .cabin-pic {
            height: 220px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 20px;
        }
        .cabin-pic img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .cabin-specs {
            background: rgba(0,0,0,0.3);
            border-radius: var(--radius-sm);
            padding: 14px;
            margin: 16px 0;
            font-size: 13px;
            color: var(--text-muted);
        }
        .cabin-specs-item {
            display: flex;
            justify-content: space-between;
            margin-bottom: 6px;
        }
        .cabin-specs-item:last-child {
            margin-bottom: 0;
        }
        .cabin-action {
            display: inline-block;
            text-align: center;
            background: rgba(14, 165, 233, 0.15);
            border: 1px solid var(--cyan);
            color: #ffffff;
            padding: 10px 0;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 14px;
        }
        .cabin-action:hover {
            background: var(--cyan);
            color: #030712;
        }

        /* Section 6: 全链路定制方案流程 */
        .workflow-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .workflow-step {
            position: relative;
            padding: 24px;
            background: rgba(15, 23, 42, 0.7);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
        }
        .workflow-num {
            font-size: 32px;
            font-weight: 900;
            color: rgba(14, 165, 233, 0.3);
            margin-bottom: 12px;
            display: block;
            line-height: 1;
        }
        .workflow-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #ffffff;
        }
        .workflow-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* Section 7: 标杆案例全景与前后对比 */
        .case-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .case-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
        }
        .case-media {
            height: 240px;
            overflow: hidden;
        }
        .case-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .case-body {
            padding: 28px;
        }
        .case-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
        }
        .case-location {
            font-size: 13px;
            color: var(--cyan);
            font-weight: 600;
        }
        .case-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
        }
        .case-compare-bar {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            background: rgba(0, 0, 0, 0.4);
            padding: 12px;
            border-radius: var(--radius-sm);
            margin-top: 16px;
            font-size: 13px;
        }
        .case-compare-bar span {
            color: var(--text-sub);
            display: block;
            font-size: 11px;
            margin-bottom: 4px;
        }
        .case-compare-bar strong {
            color: #ffffff;
            font-size: 15px;
        }

        /* Section 8: 运行数据统计条 */
        .counter-strip {
            background: linear-gradient(90deg, rgba(14, 165, 233, 0.1) 0%, rgba(6, 182, 212, 0.15) 50%, rgba(139, 92, 246, 0.1) 100%);
            border-top: 1px solid var(--border-glow);
            border-bottom: 1px solid var(--border-glow);
            padding: 48px 0;
        }
        .counter-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .counter-num {
            font-size: 42px;
            font-weight: 900;
            color: #ffffff;
            margin-bottom: 6px;
            line-height: 1;
            font-family: monospace;
        }
        .counter-num span {
            font-size: 22px;
            color: var(--cyan);
        }
        .counter-desc {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* Section 9: 资讯前沿动态 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .news-date {
            font-size: 13px;
            color: var(--cyan);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .news-headline {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            line-height: 1.45;
            color: #ffffff;
        }
        .news-text {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 18px;
            line-height: 1.7;
        }
        .news-link-btn {
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-link-btn:hover {
            color: var(--cyan);
        }

        /* Section 10: 专题索引 */
        .topic-index-block {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 36px;
            background: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-md);
            padding: 36px;
        }
        .topic-nav-tabs {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .topic-tab-item {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-muted);
            cursor: pointer;
            transition: all 0.3s;
        }
        .topic-tab-item.active, .topic-tab-item:hover {
            background: rgba(14, 165, 233, 0.15);
            border-color: var(--cyan);
            color: #ffffff;
        }
        .topic-content-body {
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .topic-content-body h4 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            color: #ffffff;
        }
        .topic-content-body p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .topic-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .topic-tag {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--cyan);
            font-size: 12px;
            padding: 6px 14px;
            border-radius: 20px;
        }

        /* Section 11: 用户口碑与实测反馈 */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .testi-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }
        .testi-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 16px;
        }
        .testi-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--accent-purple));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #ffffff;
            font-size: 18px;
            border: 2px solid rgba(255, 255, 255, 0.2);
        }
        .testi-user-info h5 {
            font-size: 16px;
            font-weight: 700;
            color: #ffffff;
        }
        .testi-user-info span {
            font-size: 12px;
            color: var(--text-sub);
        }
        .testi-stars {
            color: #f59e0b;
            font-size: 14px;
            margin-bottom: 14px;
            letter-spacing: 2px;
        }
        .testi-quote {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            font-style: normal;
        }

        /* Section 12: 空间改造预约与即刻体验发起区 */
        .cta-box-container {
            background: radial-gradient(circle at top right, rgba(14, 165, 233, 0.18), transparent 60%),
                        radial-gradient(circle at bottom left, rgba(139, 92, 246, 0.15), transparent 60%),
                        var(--bg-card);
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
        }
        .cta-content-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .cta-text-side h3 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 18px;
            line-height: 1.3;
        }
        .cta-text-side p {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 24px;
            line-height: 1.8;
        }
        .cta-perks {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 24px;
        }
        .cta-perks li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: #e2e8f0;
        }
        .cta-perks li::before {
            content: "✓";
            color: var(--accent-green);
            font-weight: 900;
        }
        .cta-form {
            background: rgba(3, 7, 18, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 32px;
            border-radius: var(--radius-md);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .form-group label {
            font-size: 13px;
            color: #cbd5e1;
            font-weight: 600;
        }
        .form-input {
            background: rgba(15, 23, 42, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            padding: 12px 14px;
            color: #ffffff;
            font-size: 14px;
            font-family: inherit;
            transition: border-color 0.3s;
        }
        .form-input:focus {
            border-color: var(--cyan);
            box-shadow: 0 0 10px rgba(6, 182, 212, 0.3);
        }
        .btn-submit-cta {
            background: linear-gradient(135deg, var(--primary), var(--cyan));
            color: #ffffff;
            font-size: 15px;
            font-weight: 700;
            padding: 14px 0;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            box-shadow: 0 0 20px rgba(6, 182, 212, 0.4);
            margin-top: 8px;
            transition: all 0.3s;
        }
        .btn-submit-cta:hover {
            box-shadow: 0 0 30px rgba(14, 165, 233, 0.7);
            transform: translateY(-2px);
        }
        .form-privacy-note {
            font-size: 11px;
            color: var(--text-sub);
            text-align: center;
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #02050e;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 72px 0 32px 0;
            color: var(--text-muted);
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand h4 {
            font-size: 20px;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            line-height: 1.8;
            font-size: 13px;
            color: var(--text-sub);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a:hover {
            color: var(--cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 28px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--text-sub);
            flex-wrap: wrap;
            gap: 12px;
        }

        /* 响应式样式处理 */
        @media (max-width: 1024px) {
            .hero-city-stations { grid-template-columns: repeat(2, 1fr); }
            .catalog-grid, .cabin-grid, .testimonials-grid { grid-template-columns: repeat(2, 1fr); }
            .tech-arch-wrapper, .case-showcase, .cta-content-wrap { grid-template-columns: 1fr; }
            .counter-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .workflow-timeline { grid-template-columns: repeat(2, 1fr); }
            .topic-index-block { grid-template-columns: 1fr; }
        }

        @media (max-width: 768px) {
            section { padding: 64px 0; }
            .top-bar { display: none; }
            .nav-menu {
                position: fixed;
                top: 76px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 76px);
                background: rgba(3, 7, 18, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                padding-top: 40px;
                gap: 24px;
                transition: left 0.3s ease;
            }
            .nav-menu.open { left: 0; }
            .mobile-toggle { display: block; }
            .nav-cta-btn { display: none; }
            .hero-title { font-size: 32px; }
            .hero-intro { font-size: 15px; }
            .catalog-grid, .advantage-matrix, .cabin-grid, .news-grid, .testimonials-grid, .workflow-timeline { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .cta-box-container { padding: 32px 20px; }
        }