/* roulang page: index */
:root {
            --bg-base: #060B19;
            --bg-card: rgba(15, 23, 42, 0.72);
            --bg-card-hover: rgba(30, 41, 59, 0.85);
            --bg-surface: #0B1528;
            --primary: #00E5FF;
            --primary-glow: rgba(0, 229, 255, 0.35);
            --secondary: #2979FF;
            --secondary-glow: rgba(41, 121, 255, 0.35);
            --accent-green: #00E676;
            --accent-amber: #FFAB00;
            --text-main: #F0F4F8;
            --text-muted: #94A3B8;
            --text-dim: #64748B;
            --border-glass: rgba(0, 229, 255, 0.16);
            --border-glass-hover: rgba(0, 229, 255, 0.45);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 12px 32px 0 rgba(0, 0, 0, 0.37);
            --container-max: 1240px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-base);
            color: var(--text-main);
        }

        body {
            line-height: 1.65;
            overflow-x: hidden;
            background: radial-gradient(circle at 50% 0%, #102144 0%, #060B19 55%);
        }

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

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

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

        /* 顶部功能条与导航 */
        .top-bar {
            background: rgba(6, 11, 25, 0.95);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            font-size: 13px;
            color: var(--text-dim);
            padding: 8px 0;
        }

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

        .top-status {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .status-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-green);
        }

        header.site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            background: rgba(6, 11, 25, 0.82);
            border-bottom: 1px solid var(--border-glass);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 72px;
        }

        .logo-box {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .logo-symbol {
            width: 34px;
            height: 34px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #060B19;
            font-weight: 900;
            font-size: 18px;
            box-shadow: 0 0 16px var(--primary-glow);
        }

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

        .nav-links a {
            font-size: 15px;
            color: var(--text-muted);
            font-weight: 500;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: all 0.25s ease;
            border: 1px solid transparent;
            line-height: 1.2;
            min-height: 44px;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
            color: #060B19;
            box-shadow: 0 0 16px var(--primary-glow);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.6);
            color: #000;
        }

        .btn-outline {
            background: rgba(15, 23, 42, 0.6);
            border-color: var(--border-glass);
            color: var(--text-main);
            backdrop-filter: blur(8px);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            background: rgba(0, 229, 255, 0.1);
            color: var(--primary);
        }

        /* 移动端菜单按钮 */
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 24px;
            cursor: pointer;
            padding: 6px;
        }

        /* 板块公用样式 */
        section {
            padding: 90px 0;
            position: relative;
        }

        .section-alt {
            background: rgba(11, 21, 40, 0.55);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }

        .section-heading {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 56px auto;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--primary);
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.25);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            font-weight: 600;
        }

        .section-heading h2 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #fff;
        }

        .section-heading p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 玻璃拟态卡片 */
        .glass-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 30px;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .glass-card:hover {
            border-color: var(--border-glass-hover);
            background: var(--bg-card-hover);
            transform: translateY(-4px);
            box-shadow: 0 16px 36px rgba(0, 229, 255, 0.12);
        }

        /* 1. Hero 板块 (API / 开发者控制台风格) */
        .hero-section {
            padding: 70px 0 90px 0;
            position: relative;
            overflow: hidden;
            background: url('/assets/images/947f1a9d97ae322f.webp') no-repeat center top / cover;
        }

        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 11, 25, 0.88) 0%, rgba(6, 11, 25, 0.96) 100%);
            z-index: 1;
        }

        .hero-container {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1.15fr;
            gap: 40px;
            align-items: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(41, 121, 255, 0.15);
            border: 1px solid rgba(41, 121, 255, 0.35);
            padding: 6px 14px;
            border-radius: 30px;
            color: var(--primary);
            font-size: 13px;
            margin-bottom: 20px;
        }

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
            color: #FFFFFF;
        }

        .hero-title span {
            background: linear-gradient(90deg, #00E5FF, #2979FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .hero-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 30px;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 30px;
        }

        .hero-stats-mini {
            display: flex;
            gap: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
        }

        .mini-stat-item h4 {
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
        }

        .mini-stat-item p {
            font-size: 12px;
            color: var(--text-dim);
        }

        /* 终端代码模拟 */
        .terminal-window {
            background: rgba(10, 17, 33, 0.9);
            border: 1px solid rgba(0, 229, 255, 0.25);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
            backdrop-filter: blur(14px);
        }

        .terminal-header {
            background: rgba(15, 23, 42, 0.95);
            padding: 12px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .terminal-dots {
            display: flex;
            gap: 6px;
        }

        .terminal-dots span {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ff5f56;
        }
        .terminal-dots span:nth-child(2) { background: #ffbd2e; }
        .terminal-dots span:nth-child(3) { background: #27c93f; }

        .terminal-tab {
            font-size: 12px;
            color: var(--text-muted);
            font-family: monospace;
        }

        .terminal-body {
            padding: 20px;
            font-family: Consolas, Monaco, "Courier New", Courier, monospace;
            font-size: 13px;
            line-height: 1.6;
            color: #cbd5e1;
            overflow-x: auto;
        }

        .code-keyword { color: #f472b6; }
        .code-string { color: #a5f3fc; }
        .code-num { color: #facc15; }
        .code-comment { color: #64748b; }
        .code-success { color: var(--accent-green); }

        /* 2. 功能亮点 (Feature Matrix - 6卡片) */
        .grid-3x2 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feat-card-header {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 16px;
        }

        .feat-icon-badge {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(0, 229, 255, 0.1);
            border: 1px solid rgba(0, 229, 255, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 16px;
        }

        .feat-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: #fff;
        }

        .feat-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 3. 场景矩阵板块 */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .scene-card {
            border-radius: var(--radius-md);
            overflow: hidden;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            transition: all 0.3s ease;
        }

        .scene-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-glass-hover);
        }

        .scene-img-box {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .scene-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .scene-card:hover .scene-img-box img {
            transform: scale(1.05);
        }

        .scene-tag-float {
            position: absolute;
            bottom: 12px;
            left: 12px;
            background: rgba(6, 11, 25, 0.85);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 12px;
            color: var(--primary);
            border: 1px solid rgba(0, 229, 255, 0.2);
        }

        .scene-content {
            padding: 22px;
        }

        .scene-content h3 {
            font-size: 18px;
            margin-bottom: 10px;
            color: #fff;
        }

        .scene-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .scene-meta-list {
            list-style: none;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 14px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .scene-meta-list li {
            font-size: 13px;
            color: var(--text-dim);
            display: flex;
            justify-content: space-between;
        }

        .scene-meta-list li span:last-child {
            color: var(--text-main);
            font-weight: 500;
        }

        /* 4. 流程步骤板块 */
        .step-timeline {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 26px 20px;
            position: relative;
        }

        .step-num {
            font-size: 32px;
            font-weight: 800;
            color: rgba(0, 229, 255, 0.2);
            line-height: 1;
            margin-bottom: 14px;
        }

        .step-card h3 {
            font-size: 17px;
            color: #fff;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 5. 截图/产品演示看板区 */
        .demo-showcase-box {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 32px;
            align-items: center;
        }

        .demo-img-wrapper {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-glass);
            box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
        }

        .demo-img-wrapper img {
            width: 100%;
            height: auto;
        }

        .demo-detail-card {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .demo-item {
            padding: 16px;
            background: rgba(15, 23, 42, 0.6);
            border-left: 3px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        }

        .demo-item h4 {
            font-size: 16px;
            color: #fff;
            margin-bottom: 6px;
        }

        .demo-item p {
            font-size: 13px;
            color: var(--text-muted);
        }

        /* 6. 技术架构与可验证参数板块 */
        .tech-spec-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-glass);
        }

        .tech-spec-table th, 
        .tech-spec-table td {
            padding: 16px 20px;
            text-align: left;
            font-size: 14px;
        }

        .tech-spec-table th {
            background: rgba(30, 41, 59, 0.7);
            color: #fff;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .tech-spec-table td {
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            color: var(--text-muted);
        }

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

        .tech-spec-table td.spec-val {
            color: var(--primary);
            font-weight: 600;
        }

        /* 7. 客户证言 / 用户故事 (双列大卡片) */
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .story-card {
            padding: 32px;
            position: relative;
        }

        .story-quote {
            font-size: 15px;
            line-height: 1.8;
            color: #e2e8f0;
            margin-bottom: 24px;
            position: relative;
        }

        .story-author {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 18px;
        }

        .author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: #060B19;
        }

        .author-info h4 {
            font-size: 16px;
            color: #fff;
        }

        .author-info p {
            font-size: 13px;
            color: var(--text-dim);
        }

        /* 8. 关键业务统计条 */
        .counter-strip {
            background: linear-gradient(90deg, rgba(16, 33, 68, 0.8) 0%, rgba(11, 21, 40, 0.8) 100%);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
            padding: 50px 0;
        }

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

        .counter-item h3 {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1;
        }

        .counter-item p {
            font-size: 14px;
            color: var(--text-muted);
        }

        /* 9. 版本套餐对比 (严格3卡片) */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .pricing-card {
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            position: relative;
        }

        .pricing-card.featured {
            border-color: var(--primary);
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.25);
            background: rgba(15, 23, 42, 0.85);
            transform: scale(1.02);
        }

        .featured-tag {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #060B19;
            font-size: 12px;
            font-weight: 700;
            padding: 3px 16px;
            border-radius: 20px;
            box-shadow: 0 0 12px var(--primary-glow);
        }

        .pricing-header h3 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 10px;
        }

        .pricing-cost {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin: 18px 0;
            display: flex;
            align-items: baseline;
            gap: 4px;
        }

        .pricing-cost span {
            font-size: 14px;
            font-weight: 400;
            color: var(--text-muted);
        }

        .pricing-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-bottom: 30px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .pricing-list li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .pricing-list li::before {
            content: "✓";
            color: var(--accent-green);
            font-weight: bold;
        }

        /* 10. 资讯精选板块 (1+3布局) */
        .news-digest-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 28px;
        }

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

        .news-feat-img {
            height: 220px;
            overflow: hidden;
        }

        .news-feat-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-feat-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .news-feat-body h3 {
            font-size: 19px;
            color: #fff;
            margin-bottom: 12px;
        }

        .news-feat-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }

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

        .news-item-compact {
            padding: 18px;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            transition: all 0.25s ease;
        }

        .news-item-compact:hover {
            border-color: var(--border-glass-hover);
            transform: translateX(4px);
        }

        .news-item-meta {
            font-size: 12px;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .news-item-compact h4 {
            font-size: 15px;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-item-compact p {
            font-size: 13px;
            color: var(--text-dim);
            line-height: 1.6;
        }

        /* 11. FAQ 手风琴板块 */
        .faq-accordion-wrap {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .faq-item {
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-sm);
            background: var(--bg-card);
            overflow: hidden;
            transition: all 0.25s ease;
        }

        .faq-item.active {
            border-color: var(--border-glass-hover);
        }

        .faq-question {
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            user-select: none;
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-icon {
            font-size: 20px;
            color: var(--primary);
            transition: transform 0.3s ease;
        }

        .faq-item.active .faq-icon {
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            padding: 0 22px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 200px;
            padding: 0 22px 18px 22px;
        }

        /* 12. 底部转化表单与收口区 */
        .bottom-cta-wrap {
            background: linear-gradient(135deg, rgba(16, 33, 68, 0.9) 0%, rgba(6, 11, 25, 0.95) 100%);
            border: 1px solid var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px;
            box-shadow: 0 0 40px rgba(0, 229, 255, 0.15);
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-content h2 {
            font-size: 28px;
            color: #fff;
            margin-bottom: 14px;
        }

        .cta-content p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 22px;
        }

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

        .guarantee-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--accent-green);
        }

        .lead-form-box {
            background: rgba(10, 17, 33, 0.85);
            padding: 26px;
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .form-label {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .form-control {
            width: 100%;
            height: 44px;
            background: rgba(15, 23, 42, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            padding: 0 14px;
            color: #fff;
            font-size: 14px;
            outline: none;
            transition: border-color 0.25s ease;
        }

        .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 10px rgba(0, 229, 255, 0.2);
        }

        /* 统一页脚 */
        footer.site-footer {
            background: #040710;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 30px 0;
            color: var(--text-dim);
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 50px;
        }

        .footer-brand h4 {
            font-size: 18px;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-col h5 {
            font-size: 15px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 600;
        }

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

        .footer-col a {
            color: var(--text-dim);
        }

        .footer-col a:hover {
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .hero-container,
            .demo-showcase-box,
            .bottom-cta-wrap,
            .news-digest-grid {
                grid-template-columns: 1fr;
            }
            .grid-3x2,
            .scene-grid,
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .step-timeline {
                grid-template-columns: repeat(2, 1fr);
            }
            .counter-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(6, 11, 25, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: flex-start;
                padding: 24px;
                gap: 18px;
                border-bottom: 1px solid var(--border-glass);
                transform: translateY(-150%);
                transition: transform 0.3s ease;
                display: flex;
            }
            .nav-links.open {
                transform: translateY(0);
            }
            .mobile-toggle {
                display: block;
            }
            .hero-title {
                font-size: 28px;
            }
            .grid-3x2,
            .scene-grid,
            .pricing-grid,
            .stories-grid,
            .step-timeline {
                grid-template-columns: 1fr;
            }
            .bottom-cta-wrap {
                padding: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }