/* roulang page: index */
:root {
            --color-primary: #0D1117;
            --color-accent: #00E599;
            --color-accent-hover: #00c784;
            --color-warning: #FF5722;
            --color-bg-base: #F8F9FA;
            --color-bg-white: #FFFFFF;
            --color-bg-dark: #0B0E14;
            --color-text-main: #1F2937;
            --color-text-muted: #6B7280;
            --color-text-light: #9CA3AF;
            --color-border: #E5E7EB;
            --color-border-dark: #1F2937;
            --radius-default: 8px;
            --shadow-subtle: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
            --transition-timing: 260ms cubic-bezier(0.16, 1, 0.3, 1);
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--color-bg-base);
            color: var(--color-text-main);
            line-height: 1.75;
            letter-spacing: 0.01em;
            -webkit-font-smoothing: antialiased;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-default);
        }

        button, input {
            font-family: inherit;
        }

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

        /* 顶部双行导航系统 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
        }

        .top-status-bar {
            background-color: var(--color-primary);
            color: #E6EDF3;
            font-size: 12px;
            padding: 6px 0;
            border-bottom: 1px solid #21262D;
        }

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

        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: #8B949E;
        }

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

        .main-navbar {
            padding: 16px 0;
        }

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

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-primary);
        }

        .brand-icon {
            width: 32px;
            height: 32px;
            background: var(--color-primary);
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            font-weight: 900;
            font-size: 16px;
        }

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

        .nav-link {
            font-size: 14px;
            font-weight: 600;
            color: #374151;
            padding: 6px 0;
            position: relative;
        }

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

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

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

        .btn-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            background-color: var(--color-primary);
            color: #FFFFFF;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-default);
            border: 1px solid var(--color-primary);
            transition: all var(--transition-timing);
            cursor: pointer;
        }

        .btn-cta:hover {
            background-color: #1F2937;
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 229, 153, 0.2);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            background-color: transparent;
            color: var(--color-primary);
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-default);
            border: 1px solid #D1D5DB;
            transition: all var(--transition-timing);
            cursor: pointer;
        }

        .btn-secondary:hover {
            background-color: #FFFFFF;
            border-color: var(--color-primary);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }

        .mobile-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-primary);
            margin: 5px 0;
            transition: transform 0.2s;
        }

        /* 基础 Section 体系 */
        section {
            padding: 88px 0;
            position: relative;
        }

        .section-header {
            max-width: 760px;
            margin-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: #059669;
            background: #ECFDF5;
            padding: 4px 10px;
            border-radius: 4px;
            margin-bottom: 12px;
            border: 1px solid #A7F3D0;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* 板块 1: Hero (前后对比首屏) */
        .hero-section {
            background: linear-gradient(180deg, #FFFFFF 0%, #F3F4F6 100%);
            padding: 80px 0 96px 0;
            border-bottom: 1px solid var(--color-border);
            position: relative;
            overflow: hidden;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            opacity: 0.05;
            background-image: url('/assets/images/ec84c6f1dfd9210b.jpg');
            background-size: cover;
            background-position: center;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto 56px auto;
        }

        .hero-badge-live {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #FFFFFF;
            border: 1px solid #E5E7EB;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 24px;
            box-shadow: var(--shadow-subtle);
        }

        .hero-title {
            font-size: 46px;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: var(--color-primary);
            line-height: 1.25;
            margin-bottom: 24px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 36px;
        }

        .hero-cta-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* Before/After 并置卡片 */
        .comparison-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 20px;
        }

        .comparison-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-default);
            padding: 32px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-subtle);
        }

        .comparison-card.card-before {
            border-top: 4px solid #EF4444;
            background: #FFFDFD;
        }

        .comparison-card.card-after {
            border-top: 4px solid var(--color-accent);
            background: #FAFFFC;
            box-shadow: 0 10px 30px rgba(0, 229, 153, 0.08);
        }

        .comparison-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid #F3F4F6;
        }

        .comparison-title {
            font-size: 18px;
            font-weight: 700;
        }

        .comparison-tag-red {
            color: #DC2626;
            background: #FEE2E2;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }

        .comparison-tag-green {
            color: #065F46;
            background: #D1FAE5;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 12px;
            font-weight: 700;
        }

        .comparison-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .comparison-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 14px;
            line-height: 1.6;
        }

        .comparison-item .icon {
            font-size: 16px;
            font-weight: 800;
            line-height: 1;
            margin-top: 2px;
        }

        .card-before .icon { color: #EF4444; }
        .card-after .icon { color: #10B981; }

        /* 板块 2: section#intro KPI 看板与技术认证区 */
        .intro-section {
            background-color: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
        }

        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 48px;
            align-items: center;
        }

        .intro-media {
            position: relative;
        }

        .intro-media img {
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-subtle);
        }

        .kpi-row {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 32px;
        }

        .kpi-box {
            padding: 20px;
            background: var(--color-bg-base);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-default);
        }

        .kpi-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .kpi-label {
            font-size: 13px;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        /* 板块 3: section#core-matrix 核心优势六矩阵 */
        .matrix-section {
            background-color: #F8F9FA;
            border-bottom: 1px solid var(--color-border);
        }

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

        .matrix-card {
            background: var(--color-bg-white);
            padding: 32px 28px;
            border-radius: var(--radius-default);
            border: 1px solid var(--color-border);
            transition: all var(--transition-timing);
        }

        .matrix-card:hover {
            transform: translateY(-2px);
            border-color: var(--color-accent);
            box-shadow: var(--shadow-hover);
        }

        .matrix-icon-badge {
            width: 44px;
            height: 44px;
            background: #E6FBF3;
            color: #059669;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 18px;
            margin-bottom: 20px;
        }

        .matrix-card-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

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

        /* 板块 4: section#solutions 热门场景功能矩阵 */
        .solutions-section {
            background-color: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
        }

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

        .solution-card {
            background: #FAFBFC;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-default);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-timing);
        }

        .solution-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-hover);
        }

        .solution-img-wrapper {
            height: 200px;
            overflow: hidden;
            background: #E5E7EB;
        }

        .solution-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform 0.4s ease;
        }

        .solution-card:hover .solution-img-wrapper img {
            transform: scale(1.04);
        }

        .solution-body {
            padding: 28px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .solution-badge {
            align-self: flex-start;
            font-size: 11px;
            font-weight: 700;
            color: var(--color-primary);
            background: #E5E7EB;
            padding: 3px 8px;
            border-radius: 4px;
            margin-bottom: 14px;
        }

        .solution-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .solution-desc {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 24px;
            flex-grow: 1;
        }

        .solution-link {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .solution-link:hover {
            color: var(--color-accent-hover);
        }

        /* 板块 5: section#dark-concept 深色调度控制台概念 */
        .dark-concept-section {
            background-color: var(--color-bg-dark);
            color: #FFFFFF;
            padding: 100px 0;
            position: relative;
            overflow: hidden;
        }

        .dark-bg-pattern {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/c6a1f0d846bd8cf4.jpg');
            background-size: cover;
            background-position: center;
            opacity: 0.12;
            pointer-events: none;
        }

        .dark-grid {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 56px;
            align-items: center;
        }

        .dark-tag {
            color: var(--color-accent);
            background: rgba(0, 229, 153, 0.1);
            border-color: rgba(0, 229, 153, 0.3);
        }

        .dark-title {
            color: #FFFFFF;
        }

        .dark-desc {
            color: #9CA3AF;
        }

        .dark-spec-list {
            margin-top: 32px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .dark-spec-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .dark-spec-code {
            font-family: monospace;
            background: #161B22;
            border: 1px solid #30363D;
            color: var(--color-accent);
            padding: 4px 10px;
            border-radius: 4px;
            font-size: 13px;
            font-weight: 700;
            white-space: nowrap;
        }

        .dark-spec-text {
            font-size: 14px;
            color: #D1D5DB;
            line-height: 1.6;
        }

        .console-mockup {
            background: #161B22;
            border: 1px solid #30363D;
            border-radius: var(--radius-default);
            padding: 24px;
            box-shadow: 0 20px 40px rgba(0,0,0,0.4);
        }

        .console-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-bottom: 16px;
            margin-bottom: 16px;
            border-bottom: 1px solid #21262D;
        }

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

        .console-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #30363D;
        }

        .console-title {
            font-size: 12px;
            color: #8B949E;
            font-family: monospace;
        }

        .console-stream {
            display: flex;
            flex-direction: column;
            gap: 12px;
            font-family: monospace;
            font-size: 13px;
        }

        .stream-row {
            display: flex;
            justify-content: space-between;
            padding: 10px 14px;
            background: #0D1117;
            border-radius: 4px;
            border-left: 3px solid var(--color-accent);
        }

        .stream-tag { color: var(--color-accent); font-weight: 600; }
        .stream-status { color: #8B949E; }

        /* 板块 6: section#workflows 全周期赛事执行流与里程碑 */
        .workflows-section {
            background-color: var(--color-bg-base);
            border-bottom: 1px solid var(--color-border);
        }

        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .timeline-card {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-default);
            padding: 28px 24px;
            position: relative;
        }

        .timeline-step {
            font-size: 12px;
            font-weight: 800;
            color: #059669;
            background: #ECFDF5;
            display: inline-block;
            padding: 2px 8px;
            border-radius: 4px;
            margin-bottom: 16px;
        }

        .timeline-heading {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }

        .timeline-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
        }

        /* 板块 7: section#user-stories 典型组委会与执委会用户实操故事 */
        .stories-section {
            background-color: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
        }

        .stories-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
        }

        .story-card {
            background: #FAFBFC;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-default);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .story-img-box {
            height: 220px;
            overflow: hidden;
        }

        .story-img-box img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

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

        .story-meta {
            font-size: 12px;
            font-weight: 700;
            color: #059669;
            margin-bottom: 8px;
        }

        .story-title {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .story-paragraph {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .story-impact {
            margin-top: auto;
            padding-top: 16px;
            border-top: 1px solid var(--color-border);
            display: flex;
            gap: 20px;
        }

        .impact-item {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
        }

        .impact-item span {
            color: #059669;
            font-weight: 800;
        }

        /* 板块 8: section#metrics 关键赛事运行数据指标统计条 */
        .metrics-section {
            background-color: var(--color-primary);
            color: #FFFFFF;
            padding: 64px 0;
            border-bottom: 1px solid #1F2937;
        }

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

        .metric-col {
            padding: 0 16px;
            border-right: 1px solid #21262D;
        }

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

        .metric-value {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.03em;
            line-height: 1.1;
            margin-bottom: 8px;
            font-family: monospace;
        }

        .metric-label {
            font-size: 14px;
            color: #9CA3AF;
            font-weight: 500;
        }

        /* 板块 9: section#testimonials 赛事总监与核心裁判组评价 */
        .testimonials-section {
            background-color: #F8F9FA;
            border-bottom: 1px solid var(--color-border);
        }

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

        .testimonial-card {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-default);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .testimonial-quote {
            font-size: 14px;
            color: #374151;
            line-height: 1.8;
            margin-bottom: 24px;
            font-style: normal;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 14px;
            border-top: 1px solid #F3F4F6;
            padding-top: 18px;
        }

        .author-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #E5E7EB;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--color-primary);
            font-size: 14px;
        }

        .author-name {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-primary);
        }

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

        /* 板块 10: section#news-feed 赛事运营快讯与专业保障资讯摘要 */
        .news-section {
            background-color: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border);
        }

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

        .news-card {
            background: #FAFBFC;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-default);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: all var(--transition-timing);
        }

        .news-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        .news-img {
            height: 180px;
            overflow: hidden;
        }

        .news-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
        }

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

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

        .news-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .news-desc {
            font-size: 13px;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
            flex-grow: 1;
        }

        .news-link-btn {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            align-self: flex-start;
        }

        .news-link-btn:hover {
            color: var(--color-accent-hover);
        }

        /* 板块 11: section#faq 快速解答与手风琴 */
        .faq-section {
            background-color: #F8F9FA;
            border-bottom: 1px solid var(--color-border);
        }

        .faq-container {
            max-width: 840px;
            margin: 0 auto;
        }

        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .accordion-item {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-default);
            overflow: hidden;
            transition: border-color var(--transition-timing);
        }

        .accordion-item.active {
            border-color: var(--color-primary);
        }

        .accordion-trigger {
            width: 100%;
            text-align: left;
            padding: 22px 24px;
            background: none;
            border: none;
            outline: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            cursor: pointer;
        }

        .accordion-icon {
            font-size: 18px;
            font-weight: 600;
            transition: transform var(--transition-timing);
        }

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

        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out;
            padding: 0 24px;
        }

        .accordion-item.active .accordion-content {
            max-height: 300px;
            padding-bottom: 24px;
        }

        .accordion-text {
            font-size: 14px;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* 板块 12: section#cta-guarantee 底部极速试用转化与运维保障条 */
        .cta-guarantee-section {
            background: linear-gradient(180deg, #FFFFFF 0%, #F3F4F6 100%);
            padding: 88px 0;
        }

        .cta-card-box {
            background: var(--color-primary);
            color: #FFFFFF;
            border-radius: var(--radius-default);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 40px rgba(13, 17, 23, 0.15);
        }

        .cta-inner-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .cta-main-title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: #FFFFFF;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-main-desc {
            font-size: 15px;
            color: #9CA3AF;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .cta-assurance-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .assurance-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: #D1D5DB;
        }

        .assurance-dot {
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
        }

        .cta-form-box {
            background: #161B22;
            padding: 32px;
            border-radius: var(--radius-default);
            border: 1px solid #30363D;
        }

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

        .form-label {
            display: block;
            font-size: 12px;
            font-weight: 600;
            color: #8B949E;
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 12px 14px;
            background: #0D1117;
            border: 1px solid #30363D;
            border-radius: 6px;
            color: #FFFFFF;
            font-size: 14px;
            outline: none;
            transition: border-color var(--transition-timing);
        }

        .form-input:focus {
            border-color: var(--color-accent);
        }

        .btn-submit-action {
            width: 100%;
            padding: 14px;
            background: var(--color-accent);
            color: #0D1117;
            border: none;
            border-radius: 6px;
            font-size: 15px;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-timing);
            margin-top: 8px;
        }

        .btn-submit-action:hover {
            background: #00c784;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 229, 153, 0.3);
        }

        /* 统一页脚 (Footer) */
        .site-footer {
            background-color: #0B0E14;
            color: #8B949E;
            padding: 72px 0 36px 0;
            border-top: 1px solid #21262D;
            font-size: 13px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            margin-bottom: 56px;
        }

        .footer-logo {
            font-size: 18px;
            font-weight: 800;
            color: #FFFFFF;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 16px;
        }

        .footer-desc {
            line-height: 1.8;
            margin-bottom: 20px;
            color: #6E7681;
        }

        .footer-heading {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 20px;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .footer-contact-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 12px;
            color: #8B949E;
        }

        .footer-bottom {
            padding-top: 32px;
            border-top: 1px solid #21262D;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 12px;
            color: #484F58;
        }

        .footer-legal-links {
            display: flex;
            gap: 20px;
        }

        /* 响应式媒体查询 */
        @media (max-width: 1024px) {
            .matrix-grid, .solution-grid, .testimonial-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .dark-grid, .intro-grid, .cta-inner-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            section {
                padding: 60px 0;
            }
            .hero-title {
                font-size: 32px;
            }
            .section-title {
                font-size: 26px;
            }
            .comparison-grid, .stories-grid {
                grid-template-columns: 1fr;
            }
            .matrix-grid, .solution-grid, .testimonial-grid, .news-grid, .timeline-grid {
                grid-template-columns: 1fr;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .metric-col {
                border-right: none;
            }
            .top-status-bar {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-menu {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #FFFFFF;
                flex-direction: column;
                padding: 24px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-hover);
                gap: 18px;
            }
            .nav-menu.show {
                display: flex;
            }
            .cta-card-box {
                padding: 36px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 480px) {
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .btn-cta, .btn-secondary {
                width: 100%;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .kpi-row {
                grid-template-columns: 1fr;
            }
        }