/* roulang page: index */
:root {
            --bg-main: #FFFFFF;
            --bg-subtle: #F8F9FA;
            --bg-dark: #0D0F12;
            --bg-dark-card: #15181E;
            --text-main: #111317;
            --text-muted: #525866;
            --text-light: #9CA3AF;
            --text-inverse: #FFFFFF;
            --primary: #059669;
            --primary-hover: #10B981;
            --primary-surface: #ECFDF5;
            --border-light: rgba(17, 19, 23, 0.08);
            --border-dark: rgba(255, 255, 255, 0.08);
            --radius-sm: 4px;
            --radius-md: 6px;
            --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
            --container-max: 1280px;
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", PingFang SC, "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
        }

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

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

        .container {
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* 顶部通栏与主导航 */
        .top-bar {
            height: 36px;
            background-color: #F3F4F6;
            border-bottom: 1px solid var(--border-light);
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
        }
        .top-bar .container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
        }
        .top-bar-tags span {
            display: inline-flex;
            align-items: center;
            margin-left: 16px;
            color: #374151;
        }
        .top-bar-tags span::before {
            content: "•";
            margin-right: 6px;
            color: var(--primary);
        }

        .main-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--border-light);
            height: 72px;
        }
        .header-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-box {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 18px;
            letter-spacing: -0.02em;
            color: var(--text-main);
        }
        .logo-mark {
            width: 30px;
            height: 30px;
            background-color: var(--text-main);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            border-radius: var(--radius-sm);
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 28px;
            align-items: center;
        }
        .nav-item a {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            position: relative;
            padding: 8px 0;
        }
        .nav-item a:hover {
            color: var(--primary);
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border-radius: var(--radius-sm);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-primary {
            background-color: var(--primary);
            color: #FFFFFF;
        }
        .btn-primary:hover {
            background-color: var(--primary-hover);
            transform: translateY(-1px);
        }
        .btn-secondary {
            background-color: transparent;
            border-color: var(--border-light);
            color: var(--text-main);
        }
        .btn-secondary:hover {
            background-color: var(--bg-subtle);
            border-color: var(--text-main);
        }
        .btn-dark {
            background-color: #1F2937;
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.15);
        }
        .btn-dark:hover {
            background-color: var(--primary);
            border-color: var(--primary);
        }

        /* 统一 Section 排版 */
        .section-padding {
            padding-top: 88px;
            padding-bottom: 88px;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.text-center {
            text-align: center;
            max-width: 760px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-header .eyebrow {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* 1. Hero 错位版式 */
        .hero-section {
            padding: 80px 0 96px;
            background: linear-gradient(180deg, #FFFFFF 0%, #F9FAFB 100%);
            border-bottom: 1px solid var(--border-light);
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
        }
        .hero-content h1 {
            font-size: 40px;
            line-height: 1.25;
            letter-spacing: -0.03em;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 20px;
        }
        .hero-desc {
            font-size: 15px;
            color: var(--text-muted);
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            margin-bottom: 40px;
        }
        .hero-kpis {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .kpi-item h4 {
            font-size: 24px;
            font-weight: 800;
            color: var(--text-main);
        }
        .kpi-item p {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 2px;
        }
        .hero-stage {
            position: relative;
        }
        .hero-stage-img-wrap {
            position: relative;
            transform: skewY(-1.5deg);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: 0 20px 40px -15px rgba(0,0,0,0.12);
            border: 1px solid var(--border-light);
            background: #E5E7EB;
        }
        .hero-stage-img-wrap img {
            width: 100%;
            height: 480px;
            object-fit: cover;
            transform: skewY(1.5deg) scale(1.04);
            filter: grayscale(15%);
        }
        .hero-float-card {
            position: absolute;
            bottom: -20px;
            left: 20px;
            background: #FFFFFF;
            padding: 16px 20px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            box-shadow: 0 10px 25px rgba(0,0,0,0.06);
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .float-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(5, 150, 105, 0.2);
        }
        .float-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-main);
        }

        /* 2. 内容日历/周期排期板块 */
        .calendar-section {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
        }
        .calendar-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .calendar-card {
            background-color: var(--bg-subtle);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 24px;
            transition: transform var(--transition-fast);
        }
        .calendar-card:hover {
            transform: translateY(-2px);
            border-color: rgba(5, 150, 105, 0.3);
        }
        .cal-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-light);
        }
        .cal-phase {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
        }
        .cal-time {
            font-size: 12px;
            color: var(--text-muted);
        }
        .cal-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .cal-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 3. 热门专题板块 */
        .topics-section {
            background-color: #FCFCFD;
            border-bottom: 1px solid var(--border-light);
        }
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            background: #FFFFFF;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .topic-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .topic-body {
            padding: 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-tag {
            font-size: 11px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-surface);
            padding: 4px 8px;
            border-radius: 2px;
            display: inline-block;
            margin-bottom: 12px;
            width: fit-content;
        }
        .topic-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }
        .topic-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 16px;
            flex-grow: 1;
        }
        .topic-meta {
            font-size: 12px;
            color: var(--text-light);
            display: flex;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 12px;
        }

        /* 4. 深度观点解读板块 */
        .insight-section {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
        }
        .insight-split {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .insight-item {
            padding: 32px;
            background: var(--bg-subtle);
            border: 1px solid var(--border-light);
            border-left: 4px solid var(--text-main);
            border-radius: var(--radius-sm);
        }
        .insight-item.active {
            border-left-color: var(--primary);
        }
        .insight-tag {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 8px;
            font-weight: 600;
        }
        .insight-heading {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .insight-content {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .insight-metric-tag {
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
        }

        /* 5. 核心指标看板 */
        .metric-banner-section {
            background-color: var(--bg-subtle);
            border-bottom: 1px solid var(--border-light);
        }
        .kpi-quad-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kpi-quad-card {
            background: #FFFFFF;
            padding: 28px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
        }
        .kpi-big-num {
            font-size: 36px;
            font-weight: 900;
            color: var(--text-main);
            line-height: 1;
            margin-bottom: 10px;
        }
        .kpi-big-num span {
            color: var(--primary);
            font-size: 24px;
        }
        .kpi-label {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .kpi-footnote {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 6. 智能匹配服务矩阵 */
        .matrix-section {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
        }
        .matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .matrix-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 32px 28px;
            background: #FFFFFF;
            transition: all var(--transition-fast);
        }
        .matrix-card:hover {
            box-shadow: 0 12px 24px -10px rgba(0,0,0,0.06);
            transform: translateY(-2px);
        }
        .matrix-index {
            font-size: 12px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .matrix-title {
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 12px;
            color: var(--text-main);
        }
        .matrix-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .matrix-list {
            list-style: none;
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
        }
        .matrix-list li {
            font-size: 12px;
            color: #4B5563;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
        }
        .matrix-list li::before {
            content: "✓";
            color: var(--primary);
            font-weight: bold;
            margin-right: 8px;
        }

        /* 7. 六维核心优势矩阵 */
        .advantages-section {
            background-color: var(--bg-subtle);
            border-bottom: 1px solid var(--border-light);
        }
        .six-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .six-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 24px;
        }
        .six-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .six-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 8. 炭黑暗色对撞模型区 */
        .dark-engine-section {
            background-color: var(--bg-dark);
            color: var(--text-inverse);
            border-bottom: 1px solid rgba(255,255,255,0.05);
        }
        .dark-engine-section .section-header h2 {
            color: #FFFFFF;
        }
        .dark-engine-section .section-header p {
            color: var(--text-light);
        }
        .dark-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .dark-stage {
            background: var(--bg-dark-card);
            border: 1px solid var(--border-dark);
            border-radius: var(--radius-md);
            padding: 32px;
        }
        .dark-step {
            margin-bottom: 24px;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border-dark);
        }
        .dark-step:last-child {
            margin-bottom: 0;
            padding-bottom: 0;
            border-bottom: none;
        }
        .dark-step-head {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .dark-step-body {
            font-size: 13px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .dark-visual img {
            border-radius: var(--radius-md);
            border: 1px solid var(--border-dark);
            filter: brightness(90%);
        }

        /* 9. 双向结果对比区 */
        .contrast-section {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
        }
        .contrast-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .contrast-col {
            border-radius: var(--radius-sm);
            padding: 36px 32px;
        }
        .contrast-col.traditional {
            background: #F9FAFB;
            border: 1px solid var(--border-light);
        }
        .contrast-col.platform {
            background: var(--primary-surface);
            border: 1px solid rgba(5, 150, 105, 0.2);
        }
        .col-badge {
            font-size: 12px;
            font-weight: 800;
            display: inline-block;
            margin-bottom: 16px;
            padding: 4px 8px;
            border-radius: 2px;
        }
        .traditional .col-badge {
            background: #E5E7EB;
            color: #4B5563;
        }
        .platform .col-badge {
            background: #059669;
            color: #FFFFFF;
        }
        .contrast-col h3 {
            font-size: 20px;
            font-weight: 800;
            margin-bottom: 20px;
        }
        .contrast-list {
            list-style: none;
        }
        .contrast-list li {
            font-size: 13px;
            margin-bottom: 16px;
            line-height: 1.6;
            display: flex;
            align-items: flex-start;
        }
        .contrast-list li strong {
            display: inline-block;
            min-width: 90px;
        }

        /* 10. 用户故事/落地实录 */
        .stories-section {
            background-color: #FCFCFD;
            border-bottom: 1px solid var(--border-light);
        }
        .stories-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .story-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 24px;
            display: flex;
            flex-direction: column;
        }
        .story-tag {
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .story-title {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }
        .story-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.65;
            margin-bottom: 20px;
            flex-grow: 1;
        }
        .story-res {
            background: var(--bg-subtle);
            border-radius: var(--radius-sm);
            padding: 12px;
            font-size: 12px;
            color: var(--primary);
            font-weight: 700;
        }

        /* 11. 合作里程碑 */
        .milestone-section {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
        }
        .roadmap-track {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 16px;
            position: relative;
        }
        .roadmap-card {
            background: var(--bg-subtle);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 20px;
        }
        .road-step {
            font-size: 11px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .road-title {
            font-size: 14px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .road-desc {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 12. 媒体精选与算法资讯 */
        .media-news-section {
            background-color: var(--bg-subtle);
            border-bottom: 1px solid var(--border-light);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .news-card {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .news-card img {
            width: 100%;
            height: 140px;
            object-fit: cover;
        }
        .news-body {
            padding: 18px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        .news-date {
            font-size: 11px;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .news-heading {
            font-size: 14px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text-main);
            margin-bottom: 10px;
        }
        .news-summary {
            font-size: 12px;
            color: var(--text-muted);
            line-height: 1.6;
            flex-grow: 1;
        }

        /* 13. 平台合规与安全保障 */
        .trust-section {
            background-color: var(--bg-main);
            border-bottom: 1px solid var(--border-light);
        }
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .trust-card {
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            padding: 24px;
            background: #FFFFFF;
        }
        .trust-badge {
            font-size: 11px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            display: inline-block;
        }
        .trust-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .trust-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 14. 业务问答手风琴 */
        .faq-section {
            background-color: var(--bg-subtle);
            border-bottom: 1px solid var(--border-light);
        }
        .faq-accordion {
            max-width: 900px;
            margin: 0 auto;
        }
        .faq-item {
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-trigger {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
        }
        .faq-trigger::after {
            content: "+";
            font-size: 18px;
            font-weight: 400;
            color: var(--primary);
            transition: transform var(--transition-fast);
        }
        .faq-item.active .faq-trigger::after {
            content: "−";
        }
        .faq-body {
            display: none;
            padding: 0 24px 20px 24px;
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            border-top: 1px solid #F3F4F6;
            margin-top: -4px;
            padding-top: 16px;
        }
        .faq-item.active .faq-body {
            display: block;
        }

        /* 15. 底部高强度转化表单与订阅收口 */
        .conversion-section {
            background: linear-gradient(180deg, #FFFFFF 0%, #F3F4F6 100%);
            border-bottom: 1px solid var(--border-light);
        }
        .conversion-box {
            background: #111317;
            color: #FFFFFF;
            border-radius: var(--radius-md);
            padding: 56px 48px;
            display: grid;
            grid-template-columns: 5fr 6fr;
            gap: 48px;
            align-items: center;
        }
        .conv-info h3 {
            font-size: 28px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            color: #FFFFFF;
        }
        .conv-info p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .conv-specs {
            display: flex;
            gap: 20px;
            font-size: 12px;
            color: #9CA3AF;
        }
        .conv-specs span {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .conv-specs span::before {
            content: "■";
            color: var(--primary);
            font-size: 8px;
        }
        .conv-form {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .conv-input, .conv-select {
            width: 100%;
            padding: 12px 14px;
            background: #1C2027;
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-sm);
            font-size: 13px;
            color: #FFFFFF;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .conv-input:focus, .conv-select:focus {
            border-color: var(--primary);
        }
        .conv-select option {
            background: #1C2027;
            color: #FFFFFF;
        }

        /* 统一页脚 */
        .site-footer {
            background-color: #0B0D10;
            color: #8C94A0;
            font-size: 13px;
            padding: 64px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 3fr 2fr 2fr 3fr;
            gap: 40px;
            margin-bottom: 48px;
        }
        .footer-brand .logo-box {
            color: #FFFFFF;
            margin-bottom: 16px;
        }
        .footer-brand p {
            line-height: 1.7;
            font-size: 12px;
            color: #6B7280;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 18px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a:hover {
            color: #FFFFFF;
        }
        .footer-contact-item {
            margin-bottom: 10px;
            font-size: 12px;
            line-height: 1.6;
        }
        .footer-contact-item strong {
            color: #D1D5DB;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #6B7280;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-stage-img-wrap img {
                height: 380px;
            }
            .calendar-grid, .news-grid, .trust-grid, .kpi-quad-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .topics-grid, .matrix-grid, .six-grid, .stories-grid {
                grid-template-columns: 1fr;
            }
            .dark-grid {
                grid-template-columns: 1fr;
            }
            .roadmap-track {
                grid-template-columns: 1fr;
            }
            .conversion-box {
                grid-template-columns: 1fr;
                padding: 36px 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .top-bar {
                display: none;
            }
            .nav-list {
                display: none;
            }
            .section-padding {
                padding-top: 56px;
                padding-bottom: 56px;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-kpis {
                grid-template-columns: 1fr;
            }
            .insight-split, .contrast-grid, .form-row {
                grid-template-columns: 1fr;
            }
            .calendar-grid, .news-grid, .trust-grid, .kpi-quad-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }