/* roulang page: index */
:root {
            --primary: #0B3C8A;
            --primary-dark: #07285E;
            --primary-light: #1A5BB8;
            --accent: #FF6B00;
            --accent-hover: #E65C00;
            --bg-main: #F8FAFC;
            --bg-card: #FFFFFF;
            --bg-dark: #0A1128;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --text-light: #94A3B8;
            --border-color: #E2E8F0;
            --border-dark: #1E293B;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 2px 8px rgba(11, 60, 138, 0.04);
            --shadow-md: 0 8px 24px -4px rgba(11, 60, 138, 0.08);
            --shadow-lg: 0 16px 36px -6px rgba(11, 60, 138, 0.12);
            --transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        html {
            scroll-behavior: smooth;
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Source Han Sans CN", sans-serif;
            color: var(--text-main);
            background-color: var(--bg-main);
            line-height: 1.6;
        }

        body {
            overflow-x: hidden;
            background-color: var(--bg-main);
        }

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

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

        .container {
            width: 100%;
            max-width: 1240px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* 顶部两层 Header */
        .site-header {
            position: relative;
            z-index: 1000;
        }

        .header-topbar {
            background-color: var(--primary-dark);
            color: #CBD5E1;
            font-size: 13px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .topbar-left, .topbar-right {
            display: flex;
            gap: 24px;
            align-items: center;
        }

        .topbar-tag {
            background: rgba(255, 107, 0, 0.2);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            font-weight: 600;
        }

        .header-nav {
            background: #FFFFFF;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            position: sticky;
            top: 0;
            z-index: 999;
            transition: var(--transition);
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #FFFFFF;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 18px;
        }

        .nav-links {
            display: flex;
            gap: 32px;
            align-items: center;
            list-style: none;
        }

        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 6px 0;
        }

        .nav-link:hover {
            color: var(--primary);
        }

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

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

        .nav-cta {
            background: var(--accent);
            color: #FFFFFF;
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 14px rgba(255, 107, 0, 0.28);
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255, 107, 0, 0.36);
        }

        /* Section 通用 */
        section {
            padding: 80px 0;
            position: relative;
        }

        .section-header {
            text-align: center;
            max-width: 780px;
            margin: 0 auto 54px auto;
        }

        .section-tag {
            display: inline-block;
            color: var(--primary);
            background: rgba(11, 60, 138, 0.08);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
        }

        /* 1. 首屏 Hero */
        #hero {
            background: linear-gradient(135deg, #071E42 0%, #0B3C8A 100%), url('/assets/images/376d548b466cd1ce.jpg') center/cover no-repeat;
            background-blend-mode: overlay;
            color: #FFFFFF;
            padding: 100px 0 90px 0;
        }

        .hero-layout {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            letter-spacing: -0.5px;
        }

        .hero-highlight {
            color: #FFB37C;
            position: relative;
            display: inline-block;
        }

        .hero-lead {
            font-size: 16px;
            line-height: 1.8;
            color: #E2E8F0;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            margin-bottom: 36px;
        }

        .btn-primary {
            background: var(--accent);
            color: #FFFFFF;
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 18px rgba(255, 107, 0, 0.35);
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: rgba(255, 255, 255, 0.1);
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.3);
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            backdrop-filter: blur(4px);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: #FFFFFF;
        }

        .hero-trust-bar {
            display: flex;
            gap: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 24px;
            color: #CBD5E1;
            font-size: 13px;
        }

        .trust-item {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .trust-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #10B981;
        }

        .hero-visual {
            background: rgba(10, 17, 40, 0.85);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(12px);
        }

        .console-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            margin-bottom: 20px;
        }

        .console-title {
            font-size: 14px;
            font-weight: 700;
            color: #94A3B8;
            letter-spacing: 0.5px;
        }

        .console-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: #10B981;
        }

        .console-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .metric-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-sm);
            padding: 16px;
        }

        .metric-num {
            font-size: 26px;
            font-weight: 800;
            color: #FFFFFF;
            font-family: monospace;
        }

        .metric-label {
            font-size: 12px;
            color: #94A3B8;
            margin-top: 4px;
        }

        /* 2. 倒计时保障条 */
        #countdown-strip {
            background: #0F172A;
            color: #FFFFFF;
            padding: 28px 0;
            border-bottom: 1px solid #1E293B;
        }

        .strip-wrap {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 20px;
        }

        .strip-info {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .pulse-badge {
            background: #EF4444;
            color: #FFFFFF;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% { opacity: 1; }
            50% { opacity: 0.5; }
            100% { opacity: 1; }
        }

        .timer-boxes {
            display: flex;
            gap: 12px;
        }

        .timer-box {
            background: #1E293B;
            border: 1px solid #334155;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            text-align: center;
            min-width: 64px;
        }

        .timer-val {
            font-size: 18px;
            font-weight: 800;
            color: var(--accent);
            font-family: monospace;
        }

        .timer-unit {
            font-size: 10px;
            color: #94A3B8;
        }

        /* 3. 产品架构与全链路 */
        #overview {
            background: #FFFFFF;
        }

        .overview-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .overview-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
        }

        .overview-visual img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .spec-list {
            margin-top: 24px;
            display: grid;
            gap: 16px;
        }

        .spec-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }

        .spec-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(11, 60, 138, 0.1);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 12px;
            flex-shrink: 0;
            margin-top: 2px;
        }

        /* 4. 核心优势矩阵 */
        #advantages {
            background: var(--bg-main);
        }

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

        .adv-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .adv-card:hover {
            border-color: var(--primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .adv-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: rgba(11, 60, 138, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
            transition: var(--transition);
        }

        .adv-card:hover .adv-icon {
            background: var(--primary);
            color: #FFFFFF;
        }

        .adv-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-main);
        }

        .adv-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 5. 解决方案/服务矩阵 */
        #solutions {
            background: #FFFFFF;
        }

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

        .solution-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .solution-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .solution-img {
            height: 200px;
            width: 100%;
            object-fit: cover;
        }

        .solution-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .solution-title {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .solution-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 18px;
            flex-grow: 1;
        }

        .solution-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            border-top: 1px solid #F1F5F9;
            padding-top: 16px;
        }

        .sol-tag {
            font-size: 12px;
            background: #F1F5F9;
            color: #475569;
            padding: 3px 10px;
            border-radius: 4px;
        }

        /* 6. 技术底座与深色对比 */
        #technology {
            background: var(--bg-dark);
            color: #FFFFFF;
        }

        #technology .section-title {
            color: #FFFFFF;
        }

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

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

        .tech-card {
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            transition: var(--transition);
        }

        .tech-card:hover {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.06);
        }

        .tech-num {
            font-size: 28px;
            font-weight: 900;
            color: var(--accent);
            font-family: monospace;
            margin-bottom: 12px;
        }

        .tech-card h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: #F8FAFC;
        }

        .tech-card p {
            font-size: 13px;
            color: #94A3B8;
            line-height: 1.6;
        }

        /* 7. 结果对比与效能提升 */
        #comparison {
            background: var(--bg-main);
        }

        .comparison-table-wrap {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

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

        .comparison-table th {
            background: #F8FAFC;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
        }

        .col-highlight {
            background: rgba(11, 60, 138, 0.03);
            color: var(--primary);
            font-weight: 600;
        }

        /* 8. 办赛业务操作流程 */
        #workflow {
            background: #FFFFFF;
        }

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

        .step-card {
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            position: relative;
        }

        .step-badge {
            position: absolute;
            top: -14px;
            left: 20px;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 800;
            padding: 2px 10px;
            border-radius: 12px;
        }

        .step-card h4 {
            font-size: 16px;
            margin-top: 8px;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .step-card p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 9. 关键数据统计条 */
        #statistics {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #FFFFFF;
            padding: 60px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stat-val {
            font-size: 44px;
            font-weight: 900;
            color: #FFFFFF;
            font-family: monospace;
            margin-bottom: 6px;
        }

        .stat-val span {
            color: var(--accent);
            font-size: 28px;
        }

        .stat-label {
            font-size: 14px;
            color: #CBD5E1;
        }

        /* 10. 赛事演进用户故事与里程碑 */
        #stories {
            background: #FFFFFF;
        }

        .timeline-wrap {
            border-left: 2px solid var(--border-color);
            margin-left: 20px;
            padding-left: 32px;
            display: flex;
            flex-direction: column;
            gap: 40px;
        }

        .timeline-item {
            position: relative;
        }

        .timeline-dot {
            position: absolute;
            left: -41px;
            top: 4px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--primary);
            border: 4px solid #FFFFFF;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-content {
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .timeline-content h4 {
            font-size: 17px;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-content p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 11. 办赛主办方评价 */
        #testimonials {
            background: var(--bg-main);
        }

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

        .test-card {
            background: #FFFFFF;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .test-quote {
            font-size: 14px;
            color: var(--text-main);
            line-height: 1.7;
            margin-bottom: 20px;
            font-style: italic;
        }

        .test-author {
            display: flex;
            align-items: center;
            gap: 12px;
            border-top: 1px solid #F1F5F9;
            padding-top: 14px;
        }

        .author-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--primary-light);
            color: #FFFFFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
        }

        .author-info h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
        }

        .author-info p {
            font-size: 12px;
            color: var(--text-muted);
        }

        /* 12. 赛事运营资讯与前沿 */
        #news {
            background: #FFFFFF;
        }

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

        .news-card {
            background: var(--bg-main);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }

        .news-thumb {
            height: 180px;
            width: 100%;
            object-fit: cover;
        }

        .news-body {
            padding: 20px;
        }

        .news-date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .news-excerpt {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 13. 平台技术保障体系 */
        #security {
            background: var(--bg-main);
        }

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

        .sec-box {
            background: #FFFFFF;
            border-left: 4px solid var(--primary);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 24px 20px;
            border-top: 1px solid var(--border-color);
            border-right: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .sec-box h4 {
            font-size: 16px;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .sec-box p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 14. 平台保障与快速解答 (FAQ) */
        #faq {
            background: #FFFFFF;
        }

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

        .faq-item {
            background: var(--bg-main);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            background: #FFFFFF;
        }

        .faq-answer {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            background: #FFFFFF;
        }

        /* 15. 转化表单与收口行动 */
        #contact {
            background: linear-gradient(135deg, #071E42 0%, #0B3C8A 100%);
            color: #FFFFFF;
            padding: 90px 0;
        }

        .cta-layout {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 56px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 34px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
        }

        .cta-text p {
            font-size: 15px;
            color: #CBD5E1;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .cta-form {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 36px;
            box-shadow: var(--shadow-lg);
            color: var(--text-main);
        }

        .form-row {
            margin-bottom: 18px;
        }

        .form-label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 6px;
            color: #334155;
        }

        .form-input, .form-select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            font-size: 14px;
            background: #F8FAFC;
            transition: var(--transition);
        }

        .form-input:focus, .form-select:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            box-shadow: 0 0 0 3px rgba(11, 60, 138, 0.1);
        }

        .btn-submit {
            width: 100%;
            background: var(--accent);
            color: #FFFFFF;
            border: none;
            padding: 14px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(255, 107, 0, 0.3);
            margin-top: 8px;
        }

        .btn-submit:hover {
            background: var(--accent-hover);
        }

        /* Footer */
        .site-footer {
            background: #060D1E;
            color: #94A3B8;
            font-size: 13px;
            padding: 60px 0 28px 0;
            border-top: 1px solid #1E293B;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand h3 {
            color: #FFFFFF;
            font-size: 20px;
            margin-bottom: 16px;
            font-weight: 800;
        }

        .footer-brand p {
            line-height: 1.7;
            margin-bottom: 16px;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 18px;
        }

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

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 12px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-layout, .overview-layout, .cta-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .advantage-grid, .solution-grid, .tech-grid, .workflow-steps, .testimonial-grid, .news-grid, .security-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .header-topbar {
                display: none;
            }
            .nav-links {
                display: none;
            }
            .advantage-grid, .solution-grid, .tech-grid, .workflow-steps, .testimonial-grid, .news-grid, .security-grid, .stats-grid {
                grid-template-columns: 1fr;
            }
            .hero-content h1 {
                font-size: 30px;
            }
            .section-title {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .hero-actions {
                flex-direction: column;
            }
        }