/* roulang page: index */
:root {
            --primary: #00C076;
            --primary-hover: #00A364;
            --secondary: #0F172A;
            --accent: #FF6B00;
            --bg-light: #F8FAFC;
            --bg-card: #FFFFFF;
            --bg-dark: #0A0E17;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.03);
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-full: 9999px;
            --transition: all 0.25s ease-in-out;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-light);
            color: var(--text-body);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部功能条 */
        .top-utility-bar {
            height: 38px;
            background-color: var(--secondary);
            color: #94A3B8;
            font-size: 0.8125rem;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .utility-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }

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

        .utility-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 导航栏 */
        .main-navbar {
            height: 76px;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid var(--border-color);
            transition: var(--transition);
        }

        .nav-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            height: 100%;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--secondary);
            letter-spacing: -0.5px;
        }

        .brand-logo-icon {
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary) 0%, #009357 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            box-shadow: 0 4px 10px rgba(0, 192, 118, 0.3);
        }

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

        .nav-link {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-body);
            position: relative;
            padding: 8px 0;
        }

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

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

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9375rem;
            font-weight: 600;
            padding: 10px 24px;
            border-radius: var(--radius-full);
            cursor: pointer;
            border: 1px solid transparent;
            transition: var(--transition);
            min-height: 44px;
        }

        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 4px 14px rgba(0, 192, 118, 0.35);
        }

        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(0, 192, 118, 0.45);
        }

        .btn-outline {
            background-color: transparent;
            border-color: var(--border-color);
            color: var(--text-main);
        }

        .btn-outline:hover {
            border-color: var(--primary);
            color: var(--primary);
            background-color: rgba(0, 192, 118, 0.04);
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .menu-toggle span {
            display: block;
            width: 24px;
            height: 2px;
            background-color: var(--text-main);
            transition: var(--transition);
        }

        /* 板块公用 */
        section {
            padding: 88px 0;
            position: relative;
        }

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

        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            font-weight: 700;
            color: var(--primary);
            background-color: rgba(0, 192, 118, 0.1);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .section-title {
            font-size: 2.125rem;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 1.0625rem;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* 板块 1: Hero 工具落地 */
        .hero-section {
            padding: 72px 0 96px 0;
            background: linear-gradient(180deg, #FFFFFF 0%, #F1F5F9 100%);
            position: relative;
            overflow: hidden;
        }

        .hero-bg-overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/af2b1930d3d04699.png');
            background-position: center;
            background-size: cover;
            opacity: 0.035;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            color: var(--text-main);
            margin-bottom: 24px;
            letter-spacing: -1px;
        }

        .hero-title span {
            color: var(--primary);
            position: relative;
            display: inline-block;
        }

        .hero-lead {
            font-size: 1.125rem;
            color: var(--text-body);
            line-height: 1.85;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }

        .hero-meta-points {
            display: flex;
            gap: 24px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }

        .meta-point {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--text-muted);
        }

        .meta-point-icon {
            color: var(--primary);
            font-size: 1rem;
        }

        .hero-stage {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .hero-stage-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 20px;
        }

        .stage-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .stage-badge {
            background-color: #ECFDF5;
            color: var(--primary);
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: var(--radius-full);
            font-weight: 700;
        }

        .stage-card {
            background-color: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 16px;
            margin-bottom: 14px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: 1px solid #EEF2F6;
        }

        .stage-sport-tag {
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: 6px;
            color: #fff;
        }

        .tag-badminton { background-color: #3B82F6; }
        .tag-running { background-color: #10B981; }
        .tag-cycling { background-color: var(--accent); }

        .stage-btn-join {
            background-color: var(--secondary);
            color: #fff;
            padding: 6px 14px;
            border-radius: 8px;
            font-size: 0.8125rem;
            font-weight: 600;
        }

        /* 板块 2: KPI 看板条 */
        .metrics-section {
            background-color: var(--bg-card);
            padding: 48px 0;
            border-bottom: 1px solid var(--border-color);
        }

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

        .metric-card {
            text-align: center;
            padding: 16px;
            border-right: 1px solid var(--border-color);
        }

        .metric-card:last-child {
            border-right: none;
        }

        .metric-val {
            font-size: 2.75rem;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1.1;
            margin-bottom: 8px;
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }

        .metric-val span {
            color: var(--primary);
        }

        .metric-label {
            font-size: 0.9375rem;
            color: var(--text-muted);
            font-weight: 600;
        }

        /* 板块 3: 服务与场景矩阵 */
        .solutions-section {
            background-color: var(--bg-light);
        }

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

        .solution-card {
            background-color: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            position: relative;
            transition: var(--transition);
        }

        .solution-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(0, 192, 118, 0.4);
        }

        .solution-card.featured {
            border: 2px solid var(--primary);
            box-shadow: 0 12px 30px rgba(0, 192, 118, 0.15);
        }

        .solution-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background-color: var(--accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: var(--radius-full);
            letter-spacing: 0.5px;
        }

        .solution-header h3 {
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .solution-header p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .solution-feature-list {
            list-style: none;
            margin-bottom: 32px;
            flex-grow: 1;
        }

        .solution-feature-list li {
            font-size: 0.9375rem;
            color: var(--text-body);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .solution-feature-list li::before {
            content: "✓";
            color: var(--primary);
            font-weight: 900;
        }

        /* 板块 4: 结果与痛点对比 */
        .comparison-section {
            background-color: #FFFFFF;
        }

        .comparison-table-wrapper {
            background-color: var(--bg-card);
            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: 22px 28px;
            border-bottom: 1px solid var(--border-color);
        }

        .comparison-table th {
            font-size: 1.0625rem;
            font-weight: 700;
            background-color: #F8FAFC;
            color: var(--text-main);
        }

        .comparison-table th.col-highlight {
            background-color: rgba(0, 192, 118, 0.08);
            color: var(--primary-hover);
        }

        .comparison-table td.col-highlight {
            background-color: rgba(0, 192, 118, 0.02);
            font-weight: 600;
            color: var(--text-main);
        }

        .status-cross {
            color: #EF4444;
            font-weight: 700;
            margin-right: 6px;
        }

        .status-check {
            color: var(--primary);
            font-weight: 700;
            margin-right: 6px;
        }

        /* 板块 5: 核心能力与功能亮点（6卡片） */
        .features-section {
            background-color: var(--bg-light);
        }

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

        .feature-box {
            background-color: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 28px;
            transition: var(--transition);
        }

        .feature-box:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(0, 192, 118, 0.3);
        }

        .feature-icon-box {
            width: 48px;
            height: 48px;
            background-color: rgba(0, 192, 118, 0.1);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 20px;
        }

        .feature-box h4 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .feature-box p {
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 板块 6: 软硬件互联理念（深色理念区） */
        .philosophy-section {
            background-color: var(--bg-dark);
            color: #FFFFFF;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .philosophy-section::after {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(0, 192, 118, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .philosophy-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .philosophy-title {
            font-size: 2.25rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #FFFFFF;
        }

        .philosophy-p {
            font-size: 1rem;
            color: #94A3B8;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .tech-spec-badge {
            background-color: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 16px 20px;
            border-radius: var(--radius-md);
            font-size: 0.875rem;
            color: #CBD5E1;
            line-height: 1.6;
        }

        .philosophy-steps {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .step-row {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background-color: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px;
            border-radius: var(--radius-md);
        }

        .step-num {
            width: 32px;
            height: 32px;
            background-color: var(--primary);
            color: #FFFFFF;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 0.9375rem;
            flex-shrink: 0;
        }

        .step-content h5 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 6px;
        }

        .step-content p {
            font-size: 0.875rem;
            color: #94A3B8;
            line-height: 1.6;
        }

        /* 板块 7: 发展里程碑 */
        .milestones-section {
            background-color: #FFFFFF;
        }

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

        .timeline-item {
            background-color: var(--bg-light);
            padding: 28px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            position: relative;
        }

        .timeline-year {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .timeline-item h5 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .timeline-item p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 8: 真实社群故事 */
        .stories-section {
            background-color: var(--bg-light);
        }

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

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

        .story-img-wrap {
            height: 240px;
            overflow: hidden;
            position: relative;
        }

        .story-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

        .story-card:hover .story-img-wrap img {
            transform: scale(1.03);
        }

        .story-content {
            padding: 32px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .story-author {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .author-info h6 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .author-info span {
            font-size: 0.8125rem;
            color: var(--text-muted);
        }

        .story-content p {
            font-size: 0.9375rem;
            color: var(--text-body);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        /* 板块 9: 行业动态与资讯 */
        .news-section {
            background-color: #FFFFFF;
        }

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

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

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

        .news-cover {
            height: 190px;
            overflow: hidden;
        }

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

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

        .news-date {
            font-size: 0.8125rem;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .news-summary {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .news-link-btn {
            font-size: 0.875rem;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* 板块 10: 平台合规与安全保障 */
        .guarantee-section {
            background-color: var(--bg-light);
        }

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

        .guarantee-card {
            background-color: var(--bg-card);
            padding: 32px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            text-align: center;
        }

        .guarantee-icon {
            width: 52px;
            height: 52px;
            background-color: rgba(15, 23, 42, 0.05);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
        }

        .guarantee-card h5 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .guarantee-card p {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 板块 11: 常见问题解答 FAQ */
        .faq-section {
            background-color: #FFFFFF;
        }

        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            background-color: var(--bg-card);
            overflow: hidden;
        }

        .faq-header {
            width: 100%;
            text-align: left;
            padding: 20px 24px;
            background: none;
            border: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1.0625rem;
            font-weight: 700;
            color: var(--text-main);
            cursor: pointer;
            transition: var(--transition);
        }

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

        .faq-icon-arrow {
            font-size: 1.25rem;
            transition: transform 0.25s ease;
        }

        .faq-item.active .faq-icon-arrow {
            transform: rotate(180deg);
        }

        .faq-body {
            padding: 0 24px 20px 24px;
            font-size: 0.9375rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

        .faq-item.active .faq-body {
            display: block;
        }

        /* 板块 12: 底部行动转化表单收口 */
        .cta-section {
            background-color: var(--bg-light);
            padding: 80px 0;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--secondary) 0%, #1E293B 100%);
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            color: #FFFFFF;
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            box-shadow: var(--shadow-lg);
        }

        .cta-text h3 {
            font-size: 2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #FFFFFF;
        }

        .cta-text p {
            font-size: 1rem;
            color: #94A3B8;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .cta-form {
            background-color: #FFFFFF;
            padding: 32px;
            border-radius: var(--radius-md);
            color: var(--text-main);
        }

        .cta-form h4 {
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 16px;
            text-align: center;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group input, .form-group select {
            width: 100%;
            height: 44px;
            padding: 0 16px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            font-size: 0.875rem;
            outline: none;
            transition: var(--transition);
        }

        .form-group input:focus, .form-group select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(0, 192, 118, 0.15);
        }

        .form-btn-submit {
            width: 100%;
            height: 46px;
            background-color: var(--primary);
            color: #fff;
            border: none;
            border-radius: 8px;
            font-size: 0.9375rem;
            font-weight: 700;
            cursor: pointer;
            transition: var(--transition);
        }

        .form-btn-submit:hover {
            background-color: var(--primary-hover);
        }

        /* 页脚体系 */
        .site-footer {
            background-color: var(--secondary);
            color: #94A3B8;
            padding: 80px 0 32px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 56px;
        }

        .footer-brand h4 {
            color: #FFFFFF;
            font-size: 1.25rem;
            font-weight: 800;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .footer-col h5 {
            color: #FFFFFF;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 20px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: #94A3B8;
        }

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

        .footer-contact-item {
            font-size: 0.875rem;
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.8125rem;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-grid, .cta-box, .philosophy-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .solutions-grid, .features-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .top-utility-bar {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                width: 100%;
                background-color: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                gap: 16px;
                box-shadow: var(--shadow-lg);
                border-bottom: 1px solid var(--border-color);
            }
            .nav-menu.open {
                display: flex;
            }
            .hero-title {
                font-size: 2.125rem;
            }
            .section-title {
                font-size: 1.625rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metric-card {
                border-right: none;
                border-bottom: 1px solid var(--border-color);
            }
            .solutions-grid, .features-grid, .stories-grid, .news-grid, .guarantee-grid, .timeline-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 32px 20px;
            }
            .cta-form {
                padding: 20px;
            }
        }